ha 0 0 0 0 0 7 1 avres · 2019-12-13 · ha 0 0 0 0 0 7 1 avres december 14, 1990 mr. robert a....

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AVRESDecember 14, 1990

Mr. Robert A. BaumeisterPublic Water Supply SectionWisconsin Department of Natural ResourcesBox 7921Madison, WI 53703

Re: Watermain ExtensionCity of Eau Claire, WI

Dear Sir:

Please find enclosed two (2) copies of plans and technical specificationsfor watermain extensions in the City of Eau Claire, Wisconsin. These plansare submitted on behalf of the City of Eau Claire. Also enclosed arecopies of:

(1) Form 3300-66 — Watermain Extension Submittal Checklist

(2) City of Eau Claire letter dated 12/12/90Authorizing submittal of plan & specifications

If you have any questions regarding these submittals, please feel free tocall me at (715) 834-3161.

Sincerely,

Owen Ayres & Associates, Inc.

Duane Munson, P.E.Vice PresidentEngineering Services

DM:dlp

cc:' R. Nauman, National Presto Industries

D:\DH\121S.DOC

BIDDING DOCUMENTS

NORTHEAST WATER IMPROVEMENTSEAU CLAIRE, WISCONSIN

PROCUREMENT NO. 9067

Provisions have been made topay the liability that willaccrue under this contract:Account Nos.

Contract approved as toform and content:

Finance Director Date City Attorney Date

DEC

AVRESASSOCIATES

TABLEOF

CONTENTS

CITY OF EAU CLAIRE

TABLE OF CONTENTS

TITLE SHEET

TABLE OF CONTENTS

BIDDING REQUIREMENTS

0100 NOTICE OF INVITATION FOR BIDS

0200 INSTRUCTION AND INFORMATION TO BIDDERS

0300 BID FORM0310 Schedule of Prices

CONTRACT FORMS

0500 AGREEMENT

0600 BONDS & CERTIFICATES

0610 Performance & Payment Bond0651 Certificate of Insurance0652 General Liability Endorsement0653 Automobile Liability Endorsement0654 Workers Comp./Employers

Liability Endorsement

CONTRACT CONDITIONS

0700 GENERAL CONDITIONS

0800 SUPPLEMENTARY CONDITIONS0810 Suspension of Work0830 Wage Determination Schedule0850 Drawings

SPECIFICATIONS

1000 GENERAL REQUIREMENTS

1010 Abbreviations1020 Referenced Codes & Specifications1030 Standards1040 Coordination and Scheduling1050 Line and Grade1170 Interference by Underground Structures1300 Sewer and Water Main Elevations Before

Backfilling1420 Inspection1430 Cost of Tests

T 0 C - 1

CITY OF EAU CLAIRE

TABLE OF CONTENTS

SPECIFICATIONS - Continued

1440 Delivery of Samples1520 Steel Plates Required1540 Protection of Existing Structures and Utilities1560 Dust Abatement

1600 SPECIAL PROVISIONS

1601 General1602 Schedule1603 Traffic Control1604 Erosion Control1605 Clearing and Grubbing1606 Removing Concrete Pavement1607 Removing Bituminous Surface1608 Unclassified Excavation1609 Sawing Concrete1610 Crushed Aggregate Base Course1611 Bituminous Concrete Pavement1612 Bituminous Driveway Restoration1613 C.T.H. "J" Pavement Replacement1614 Concrete Driveway1615 Replacement of Lawns1616 Water Main in Casing Pipe1617 Fire Hydrant Extension1618 Laying of Water Services1619 Pressure Monitoring Valve Manholes

2100 SITE PREPARATION

2105 Description2110 Clearing and Grubbing2120 Unclassified Excavation2131 Sawing and Breaking Pavement2132 Replacement Paid by Contractor2133 Remove Concrete2134 Remove Existing Bituminous Surface2135 Remove Inlet and Lead2136 Salvaged Culverts2137 Blasting2140 Dewatering Sumps and Pump Wells2161 Excavation to be Sheathed and Braced2162 Portable Trench Box or Sliding Trench Shield2163 Support of Underground Structures

T 0 C - 2

CITY OF EAU CLAIRE

TABLE OF CONTENTS


2200 TRENCH EXCAVATION AND BACKFILL

2220 Method of Excavation2221 Length of Open Trench2222 Excavation in Rock2223 Excavated Material2224 Excavated Material for Backfill2225 Granular Backfill2226 Placing of Backfill2227 Surfacing of Trench in Roadways2228 Consolidation of Backfill2229 Preparation of Foundation2230 Bedding, Cover, Foundation, and Backfill

Materials Requirements2231 Crushed Aggregate Base Course2232 Transfer Existing Aggregate Base Course2233 Preparation of Aggregate Base2234 Aggregate Base Prior to Curb & Gutter

2300 TUNNELING AND JACKING

2310 General Requirements2320 Reinforced Concrete Pipe2330 Casing Pipe2340 Concrete Backfill2350 Backfilling in Work Shafts

2400 CONCRETE CONSTRUCTION

2401 Grading for Concrete Placement2402 Protection of Concrete2403 Transferring Grades from Engineer's Stakes2404 Sawing Concrete2410 Concrete Materials Requirements2411 Steel Reinforcement2412 Timber and Forming Lumber2413 Portland and Masonry Cement2414 Aggregates for Portland Cement Concrete2415 Water2416 Concrete2417 Mason Sand2418 Mortar2420 Placing and Finishing Concrete Pavement2430 Placing and Finishing Concrete Curb and Gutter2440 Placing and Finishing Concrete Driveway

Approach2450 Placing and Finishing Concrete Sidewalk2455 Curb Ramps for the Handicapped\

T 0 C - 3

CITY OF EAU CLAIRE

TABLE OF CONTENTS


2460 Split Concrete Block Retaining Wall2465 Concrete Paving Stone2470 Adjust Castings

2500 PAVING AND SURFACING

2510 Single Aggregate Bituminous Pavement Surface2560 Tack Coat2570 Adjusting Manhole Castings, Water Valve Boxes,

Etc.2575 Replacement of Pavements2580 Optional Replacement2588 Bituminous Driveway Restoration

2600 WATER MAIN CONSTRUCTION

2601 Material Furnished2602 Width of Trench for Water Main2603 Existing Water Mains2604 Line and Grade for Open-Cut Construction2605 Unstable Foundation2606 Bedding2607 Wood Blocking2608 Handling of Pipe, Fittings, Etc.2609 Field Inspection of Materials2610 Direction of Laying2611 Joining Pipe2612 Protection of Open Pipe2613 Obstruction in Line or Grade2614 Cleaning of Pipe2615 Method of Chlorination2616 Mechanical Restraints and Blocking2617 Ductile Iron Water Main2619 Fittings for Water Main2621 Joints2622 Cutting of Ductile or Cast Iron Pipe2623 Polyethylene Wrap2624 Corrosion Protection2630 Valves - General2631 Gate Valves and Boxes2632 Butterfly Valves and Boxes2635 Cast Iron Valve Boxes2636 Shifted Valve Boxes2638 Vaults2640 Corporation Stops2650 Fire Hydrants2660 Boring2662 Water Main in Casing Pipe2665 Cutting of Existing Mains

T 0 C - 4

CITY OF EAU CLAIRE

TABLE OF CONTENTS


2670 Notice to Water Utility2671 Connecting Mains2672 Removal and Salvage of Water Main Materials2673 Abandonment of Water Mains, Branches, Valves,

Curb Stops, Hydrants, Drains, and Manholes2675 Tests Required2676 Pressure Test2677 Leakage Test2678 Electrical Conductivity2679 Bacteriological Test2680 Polystyrene Insulation Boards2690 Building Services - General2691 Laying of Water Services2692 Extensions, Relocations, Dis . -nnections and

Reconnections of Building Services

2900 LANDSCAPING AND RESTORATION

2901 General2902 Materials2903 Execution2904 Boulevard Repair2905 Replacement of Lawns2906 Clean-Up

T 0 C - 5

SPECIFICATIONS

1000______GENERAL REQUIREMENTS

1010 _____ABBREVIATIONS

WSSRBC - State of Wisconsin, Department of Transportation,Standard Specifications for Road and BridgeConstruction; Current Edition

A.S.T.M. - American Society for Testing and Materials

A.N.S.I. - American National Standards Institute

A.A.S.H.T.O. - American Association of State Highway andTransportation Officials

A.W.W.A. - American Water Works Association

1020______REFERENCED CODES AND SPECIFICATIONS

Unless specifically excepted herein; all materials, methods,equipment, etc. which are components of this contract shallconform to "Standard Specifications for Road and BridgeConstruction; Current Edition, as published by the State ofWisconsin.

All Federal, State and Local Codes shall be adhered to whereapplicable.

1030______STANDARDS

The use of an A.S.T.M., A.N.S.I., A.A.S.H.T.O., or A.W.W.A.designation in these specifications refers to the latest revisionof that particular standard or tentative standard of thatorganization.

The Contractor shall coordinate his work with other street andutility contractors. When a street is turned over to thecontractor and work has begun on the street, the Contractor shallschedule his crews, his subcontractors, and his materials suchthat work commences continuously with no avoidable delays untilconstruction is complete. Where directed by the Engineer, timeshall be allowed after surface removal for the undergroundutility contractors to complete their work before placing basecourse and surfacing.

The Contractor shall leave approved barricades and trafficcontrol devices in place during all phases of construction fromthe time the street is turned over to him until final acceptanceby the city. This will include all access points to the jobsite. If other contractors need additional on site barricades,they will be responsible to furnish them as required.

1000 - 1 of 5

1050______LIKE AMD GRADE

Primary line and grade will be furnished by the Owner and will beestablished by the Engineer at the request of the Contractor.Requests shall be made 48 hours in advance.

In open cut construction, line and grade stakes will be set:parallel to the proposed sewer or water main and offset therefromin a manner that will best serve the Contractor's work operationswherever practical. Stakes will be set opposite each sewerappurtenance or water main fitting and change in line and/orgrade.

The Contractor shall render whatever assistance may be requiredby the Engineer and shall arrange his work operations in suchmanner as to avoid interference with the establishment of primarylines and grades. The Contractor shall check the accuracy ofline and grade stakes by means of visual and taping checks and heshall be responsible for the protection and preservation of suchstakes.

The cost of restaking, due to the Contractor's negligence, shallbe borne by the Contractor.

The Contractor must bear sole responsibility for the correcttransfer of all construction lines and grades from the primaryline and grade points, and for the correct alignment and grade ofthe finished structure, based upon the primary line and gradeestablished by the Engineer.

1170______INTERFERENCE BY UNDERGROUND STRUCTURES

When an underground structure interferes with the work to such anextent that an alteration of the plans is required, whichalteration results in a change in the cost to the Contractor, theOwner will issue a written order for such altered work,specifying the basis of payment or credit for such altered work.

No pipe, conduit or other underground structure shall be allowedto remain in, penetrate, reduce the cross sectional area orabridge the use of any sewer or appurtenance to be constructedunder this Contract.

Where an unknown underground structure is encountered in thetrench or tunnel of the specified sewer, and because ofinterference, such part of the structure requires relocation, orchipping away of a part of the structure, the Contractor shallimmediately give notice of such interference to the Engineer andthe Owner of such underground structure.

Where the line and/or grade of the specified sewer conflicts withan existing water main, the Owner will arrange to alter the watermain at no cost to the Contractor or negotiate with theContractor to perform such required alteration as an extra,unless otherwise specified in the Contract Documents. TheContractor shall in either case excavate the area around thewater main to allow sufficient room to alter the main.

1000 - 2 of 5

No extra compensation will be paid for unavoidable delays causedby the interference of existing underground structures.

In the event that temporary or permanent relocation is to be madefor the convenience of the Contractor rather than because ofactual interference with the proposed sewer or sewer structure,the Contractor shall first notify the Engineer and the owner ofthe underground structure of his desire to temporarily orpermanently relocate such structure or to temporary orpermanently discontinue the service therein; and receive from theowner of such underground structure permission for suchrelocation or discontinuance of service. Replacement to originalposition and condition if required shall be made at no cost tothe Owner. The owner of the structure shall have the right to doall the work in connection with said relocation, discontinuanceand replacement, billing the Contractor for all costs of same, orwith the approval of the Owner, the relocation, discontinuance orreplacement may be made by or arranged for, by the Contractor athis expense.

Where the excavation of either a trench or tunnel extends underor approaches an underground structure in a manner to endangerit, the Contractor shall be responsible for the protection ofsuch structure and shall adequately brace, support, and otherwiseprotect it.

All sewer, building sewers or drains under proposed installationshall, when deemed necessary by the Engineer, be enveloped,capped or bridged with Class "D11 concrete. Such work will bepaid for at the price named in the Schedule of Fixed Prices.

1300______8EWER AND WATER MAIM ELEVATIONS BBTORE BACKFILLING

Sewers and water main, where they do not terminate in a manhole,shall not be backfilled until the ends have been surveyed forposition and grade by the Engineer. In case the Contractor failsto observe this requirement, he shall uncover the end of suchsewer or water main to permit said survey and refill the trench,at no additional cost to the Owner.

1420______INBP1CTIQM

Samples of the materials proposed or furnished for the work maybe taken by the Engineer at any time, at the point ofmanufacture, point of delivery or site of work. They will beselected as far as practicable, in accordance with standardmethods for sampling materials as specified in the standards ofthe American Society for Testing and Materials. Samples shall bedelivered to the testing laboratory approved by the Engineer.Cost of samples selected for testing shall be borne by theContractor.

1430_____COST OF TBBTB

Unless otherwise specified, the original and routine test ofsamples, when ordered by the Engineer, shall be made at theexpense of the Owner. Additional tests requested by theContractor, or required due to the failure of the original or

1000 - 3 of 5

routine tests, shall be made at the Contractor's expense. Allsampling and testing for extended delivery in excess of theoriginal required number of tests shall be made at theContractor's expense.

1440 ______ DBLIVJPY or SAMPLES

The Contractor or Vendor will be responsible for delivery of alltest specimens to the test laboratory of the designated testingagency without cost to the Owner.

When the specimens tested conform to applicable standards, allmaterial represented by such specimens shall be consideredacceptable. Copies of test reports shall be submitted to theEngineer before the material is installed in the project. Whenrequired by the Owner, acceptable material shall be stamped withan appropriate monogram under th« supervision of the testinglaboratory.

In the event that any of the test specimens fail to meet theserequirements, all material represented by such tests shall besubject to rejection. The Contractor, however, has the right tofurnish additional specimens from the same shipment or delivery,at no cost to the Owner. The material will be consideredacceptable if all of these specimens meet the requirements.

Material which has been rejected by the Engineer shall be removedfrom the site of the work by the Contractor and replaced withmaterial which meet the requirements, without cost to the Owner.

1520 ______ STEEL PLATES REQUIRED

The Contractor shall have available a supply of steel plates withminimum dimensions of four (4) feet by eight (8) feet by one (1)inch. The plates shall be used to bridge open trenches crossingroadways, as directed by the Engineer. When used, they shall besecured against the possibility of shifting or dropping into theexcavation. During winter months, these plates shall not be leftin the roadway over night unless specifically required by theEngineer.

1540 ______ PROTBCTIOM OF EXISTING STRUCTURES AMD UTILITIES

All surface structures and features, including buildings,pavements, trees and shrubs, adjacent to the constructioneasement, or right of way, which are to be saved, as indicated bythe plans or by the Engineer, shall be properly protected againstdamage .

All existing gas pipes, water pipes, steam pipes, electric andtelephone conduits, sewers, drains, fir* cisterns and hydrants,and other surface or subsurface structures, either of a privateor of public ownership, except railway or railroad tracks, whichdo not, in th« opinion of the Engineer, require change inlocation shall be carefully supported and protected from injuryby the Contractor. All such work must be done by and at theexpense of the Contractor and according to his own plans, subjectalways to the approval of the Engineer. That the Owner of the

1000 - 4 of 5

existing structure may have no legal obligation to do such workwill b« no excuse for the Contractor to neglect or refuse toperform the same. The owners of adjoining buildings will beliable for the expense of any necessary underpinning or extensionof the foundations of their buildings to the depth of 12 feetbelow grade.

In the event of damage or injury to any of these surface orsubsurface structures, the Contractor will be required to makereplacements or repairs to the satisfaction of the Engineer at noadditional cost to the Owner.

The Contractor shall remove, at his own expense, all obstructionssuch as mounds of dirt, stone or debris located within theworking limits. Obstructions, such as street signs, smallculverts and end walls, advertising signs and guard posts locatedin construction easements or right of ways, may be removedprovided they are promptly replaced to their original conditionunless otherwise specified in the Contract Documents.

No trees or shrubs shall be removed, cut down or trimmed unlessspecifically allowed in the Contract Documents or by the writtenpermission of the Engineer. The Contractor shall take allprecautions necessary to protect such trees or shrubs from anydamage due to the execution of the work or to the movement ofContractor's equipment.

All interfering tree roots one inch (1") or greater in diametershall be neatly cut perpendicular to the direction of growth onthe tree side of the excavation. Tree roots within the gradingarea for streets, sidewalks, curbs, and structures shall be cutand removed from the job site. The cuts shall be treated with atree wound dressing.

Except those lot corners and survey monuments which fall withinthe trench excavation, the Contractor shall be solely responsiblefor the protection and/or replacement of all survey corners whichexist throughout the work area. These corners will be locatedand marked by the Engineer, upon request by the Contractor, priorto commencing his work. Any such damaged corners so marked shallbe replaced by a Registered Land Surveyor at the Contractor'sexpense.

1560______POST ABATPCBMT

When a street is turned over to the Contractor for constructionhe shall minimize the dispersion of dust from the subgrade duringgrading and paving operations by the application of water orother approved dust control material, as deemed necessary by theEngineer.

1000 - 5 of 5

1600______SPECIAL PROVISIONS

1601_____GENERAL

These special provisions supplement, modify, or supersedestandard specifications.

1602______SCHEDULE

[To Be Inserted Prior to Bidding]

1603_____TRAFFIC CONTROL

C.T.H. "J" shall remain open to two-lanes of traffic duringconstruction along westerly side of highway. C.T.H. "J" shallremain open to one-lane of traffic during construction of8-inch water main crossings shown on Drawing Sheets 12 and 21.

Local traffic access shall be maintained at all times on otherstreets.

1604______EROSION CONTROL

If disturbed areas will be left inactive for 7 days or more,place filter fence, straw bales, or equivalent along allsideslope and downslope sides of site.

Place filter fence or straw bales around soil piles thatcontain more than 10 cu. yd. of material.

Remove by street cleaning (not flushing) before the end ofeach workday sediment reaching a public or private road.

Placement and maintenance of erosion control measures shallcomply with Wis DNR "Wisconsin Construction Site BestManagement Practice Handbook".

1605_____CLEARING AND GRUBBING (Ref. 2110)

Clearing and grubbing for this project is limited to DrawingSheets 21 and 22. Removal of trees shall be minimized and islimited to those necessary to install water main.

1606_____REMOVING CONCRETE PAVEMENT (Ref. 2133)

Concrete pavement removal for this project is limited toconcrete drive approaches and two crossings on C.T.H. "J".Water services shall be located to avoid conflict withconcrete drive approaches.

1607_____REMOVING BITUMINOUS SURFACE (Ref. 2134)

Removal of bituminous surface shall be limited to street anddriveways which interfere with water main construction and areas follows:

1600 - 1 of 5

Sundet RoadMichaud Street (C.T.H. "J" to Hallie Road)Mary StreetLoretta StreetVictor StreetC.T.H. "J" (Crossings only)Melby Road (Crossings only)All Drive Approaches

1608______UNCLASSIFIED EXCAVATION (Ref. 2120)

If a subgrade is encountered which in the estimation of theEngineer is unsuitable for the placement of crushed aggregatebase and/or surfacing, a price for removal and replacementwill be negotiated.

1609______SAWING CONCRETE (Ref. 2131)

Concrete pavement sawing is anticipated on the trenchcrossings under C.T.H. "J" and on several drive approacheswhich interfere with water main construction.

1610______CRUSHED AGGREGATE BASE COURSE (Ref. 2231)

Crushed aggregate base will be paid for at the contract unitprice per square yard and shall be full compensation forshaping and compacting the subgrade; and for furnishing,hauling, spreading, and compacting the crushed aggregate basecourse material. Base course work beyond limits approved bythe Engineer will not be paid.

1611_____BITUMINOUS CONCRETE PAVEMENT (Ref. 2510)

The item of bituminous concrete pavement will be paid for atthe contract unit price per square yard of tne thicknessindicated and shall be full compensation for furnishing,preparing, hauling, mixing and placing of all materials; forcompacting mixtures; and for all labor, tools, equipment andincidentals, including maintenance, necessary to complete thework. Bituminous pavement work beyond limits approved by theEngineer will not be paid.

1612______BITUMINOUS DRIVEWAY RESTORATION (Ref. 2588)

Replacement of designated bituminous driveways will be paidfor under the item Bituminous Driveway Restoration.

Bituminous driveway restoration will be paid for at thecontract price per square yard and shall be full compensationfor furnishing, placing, and compacting 4" of crushedaggregate base course; furnishing, placing, and compacting 2"bituminous concrete pavement; and for all labor, tools,equipment, and incidentals necessary to do the work.

1600 - 2 of 5

1613_____C.T.H. "J" PAVEMENT REPLACEMENT

Pavement replacement for trench crossings under C.T.H. "J"shall consist of:

(a) 6 inches of crushed aggregate base course inaccordance with Section 2231.

(b) Portland cement concrete base pavement of air-entrained Class "A" concrete of a thickness equal to theoriginal pavement base but a minimum thickness, in anycase, of 8 inches.

(c) 2 inches of bituminous concrete pavement in accordancewith Section 2510.

C.T.H. "J" pavement replacement will be paid for at thecontract unit price per square yard and shall be fullcompensation for furnishing, placing, and compacting/finishingthe base course, concrete, and bituminous pavement.

1614_____CONCRETE DRIVEWAY (Ref. 24401

Replacement of designated concrete driveways will be paid forunder the item Concrete Driveway, 6-Inch and shall include 6"of concrete pavement on approved subgrade.

1615_____REPLACEMENT OF LAWNS (Ref. 29051

Lawn replacement shall be Type "C" adjacent to developedproperties and along U.S.H. 53 right-of-way, and Type "D" inall other areas.

Mulch may be placed by the hydro-mulch method, at Contractor'soption.

1616_____WATER MAIN IN CASING PIPE (Ref. 2662)

Casings shall be steel pipe, ASTM A-139, with continuouslywelded joints and of size and wall thickness as shown on theDrawings. Provide coal tar lining on interior; and 2 coat, 50mil coal tar coating on exterior.

Water main (carrier pipe) installed in casings shall bemechanical joint type.

Carrier pipes installed in casing shall be supported for theirentire length by means of hardwood plants strapped to pipe insuch a way as to support pipe and prevent it from resting oncasing pipe.

Void space between casing and carrier pipes shall be filledwith blown sand, cement grout, or fly ash grout.

1600 - 3 of 5

Ends of casing shall be sealed with a 12-inch concretebulkhead. A one-inch felt shall be placed between seal andcarrier pipe.

1617______FIRE HYDRANT EXTENSION {Ref. 2650)

Provide top standpipe extension assembly for designated firehydrants such that extension can be removed in the future toaccommodate a lower street grade. Required length ofextension will be 6 inches or 12 inches of Engineer's option.

Fire hydrant extensions will be paid for at the contract unitprice each and shall be full compensation for furnishing andinstalling the extension for each designated fire hydrant.

1618_____LAYING OF WATER SERVICES (Ref. 2691)

Verify the location for all water services prior to laying.

Water services under C.T.H. "J" shall be placed by augering orboring under existing roadway such that roadway is notexcavated or allowed to settle.

1619______PRESSURE MONITORING VALVE MANHOLES (Ref. 2638)

Construct manholes of precast or cast-in-place bases, precastrisers, adjusting rings, and precast top section in accordancewith Drawings.

Excavate as necessary to construct manholes. Set precastbases on firm, level, granular bedding. Pour cast-in-placebases on undisturbed earth; if over excavation occurs,backfill with concrete or compacted granular material. On wetsubgrades, provide 3" washed or crushed stone under bases.

For cast-in-place bases, support first riser section on brickand embed in base a minimum of 4".

Join risers, top sections, adjusting rings and castings usingcompatible rubber rings or plastic gasket material. Whenplastic gasket material is used, joining surfaces shallreceive manufacturer's approved primer, as required. Underweight of superimposed sections, gasket material shall form atightly packed, watertight seal in annular joint space.

Backfill and compact soils around manholes as required foradjacent piping.

Complete pipe seals in accordance with manufacturer'sinstructions. For manholes with flexible seals, support pipeoutside manholes by bedding as specified for type of pipeinstalled. For manholes with rigid seals, support pipeoutside manholes until reaching undisturbed soil or to firstjoint by cast-in-place concrete or a wall of brick or concreteblock contoured at top to fit lower 1/3 of pipe.

1600 - 4 of 5

Install valve and accessories as shown.

Insulation in valve manhole shall be flexible, closed cell,foamed plastic sheet insulation with "K" factor of not morethan 0.27 at 75 deg. F. mean temperature (ASTM C177) and watervapor transmission rate of 0.15 perm-inch or less (ASTM C355,Water Method); Armstrong, or equal. Adhesive/sealant andprotective finish for insulation shall be as recommended byinsulation manufacturer.

Pressure monitoring valve manholes will be paid for at thecontract unit price each and shall be full compensation forexcavating; furnishing and installing manhole with castingbutterfly valve, pressure gage, insulation, and otheraccessories; and backfilling and compacting of soils.

1600 - 5 of 5

2100; SITE PREPARATION

2105_____DESCRIPTION

Site preparation shall be done by the Contractor as shown on theplans, in the estimated quantities or as directed by theEngineer. The Contractor shall do all clearing, grubbing,excavation, and grading as shown on the "Estimated Quantities"page in the Specifications.

2110______CLEARING AND QROBBINQ

Clearing shall consist of the cutting and disposing of all treeswithin the construction area which are designated to be removedby the Engineer.

The Contractor will be required to remove diseased trees from thestreets involved in this project. When this is required, theContractor shall dispose of these trees outside of the CityLimits.

Grubbing shall consist of the removal and disposal of tree stumpsand their associated roots located within the construction areawhich are designated to be removed by the Engineer. Stumps androots shall be grubbed a minimum of one foot below the bottom ofthe proposed curb and gutter or sidewalk.

Any existing roots which lie below the existing ground line andconflict with the placement of concrete curb and gutter orsidewalk, shall be removed and this removal shall be consideredas incidental to the curb and gutter or sidewalk construction.

The quantity of clearing or grubbing will be measured per inchdiameter approximately 4-1/2 feet above the existing ground levelbut above the ground swell, and the diameter of the tree shall be1/3 of the measured circumference to the nearest full inch.Stumps which have not occurred as a result of the clearingoperations of the Contractor will be measured by taking theaverage diameter of the top of the stump. Only trees or stumpswith a diameter of 3 inches or more will be considered forpayment. The Engineer must be notified by the Contractor priorto the grubbing of any stumps not previously marked for removalin order to accurately measure the stumps for payment. Stumpsnot previously marked shall be measured and paid for under theunit bid price for "Grubbing" shown on the bid form.

No trees shall be removed, cut down, or trimmed except asspecified elsewhere in the contract or directed by the Engineer.The following methods shall be used in the disposal of trees andstumps: (The disposal of Elm Trees shall be in accordance withlocal regulation).

(a) TK21 CLEARINGi The wood (brush, limbs, or logwood)from all trees, shall be disposed of by the Contractor, athis own expense, at his own dump site within five (5) daysafter being topped, cut down, or removed. Clearing shallconsist of cutting and disposing of that portion of the treeabove the swell.

2100 - 1 of 6

(b) TRBB GRUBBING: Root stumps from trees shall bedisposed of by the Contractor, at his own expense, at hisown dump site. Root stump removal by chipping-typeequipment is permissible. Grubbing shall consist of theremoval and disposal of the root stump.

2120______OKCLAflaiFIgD EXCAVATION

Construction sites shall be graded to permit placing of theproper thickness of aggregate base, surface courses, andlandscape materials. The Contractor shall furnish all equipmentand labor required for this work and any waste material shall bepaid for as unclassified excavation.

The Contractor will be paid for all excavation which is deemed aswaste material and is hauled from the job site. Only excavationwhich is hauled from the job site will be paid for asunclassified excavation. Unclassified excavation will be paid onthe cubic yard basis. The method of measurement will be by truckload count. The volume of each truck hauling from the job shallbe measured and logged by the -Engineer. The Contractor'srepresentative and the Inspector shall agree at the end of eachday on the amount of such material removed.

If a subgrade is encountered which in the estimation of theEngineer is unsuitable for the placement of crushed aggregatebase and/or surfacing materials, the Contractor shall excavatethe unsuitable subgrade as directed by the Engineer. Measurementshall be by the cubic yard and paid for as unclassifiedexcavation. Material used as fill shall conform to Section 2225,GRANULAR BACKFILL.

2131______SAWING AMD BREAKING PAVEMENT

All specified concrete or asphalt pavements, or concrete bases,shall be sawed a minimum depth of three (3) inches prior to beingshattered. Macadam pavements, or asphalt wearing courses, shallbe sawed, cut with spades or other approved methods before beingremoved. Pavement cuts shall be as shown in the plans anddetails.

2132_____R1PLACEJC1MT PAID BY CONTRACTOR

Wherever any sidewalk, driveway, curb, gutter or pavement hasbeen damaged or removed by the Contractor, whether deliberatelyor through failure to carry out the requirements of theappropriate codes, the Contract Documents, or the specificdirection of the Engineer relative to their protection, orthrough failure to employ usual or reasonable safeguards, suchexisting improvements shall be replaced or repaired at theContractor's expense. The Engineer shall have the option ofordering the Contractor to make the necessary repair orreplacement at his own expense, or to have such repair orreplacement done by the Owner and the cost deducted from themonies due the contractor.

2100 - 2 of 6

2133______RBCOVB CONCMT*

On the streets listed in the "Estimated Quantities" page of theSpecifications, the Contractor shall, at the Engineer'sdirection, remove existing concrete. This concrete will be inthe fora of pavement, curb and gutter, sidewalk and drivewayapproaches. Removal of concrete curb, if required, will beconsidered for payment as curb and gutter.

When approved by the Engineer a drop weight or other type ofmachinery for breaking pavement may be used when such usage doesnot become a nuisance or a source of damage to underground oradjacent structures. Before employing a drop weight, theContractor shall make sure that there is no nearby undergroundstructure that would be injured by its use. The Contractor shallbe solely responsible for any damage caused thereby. TheEngineer reserves the right to order the discontinuance of theuse of such drop weight at any time.

Payment for removal will be by the contract unit price as listedin the Bid Form for each individual item and will be consideredas full payment for removal and disposal from the job site by theContractor.

2134______REMOVB BUST IMG BITUMIHOOS BPHJACl

The Contractor shall remove and dispose of existing bituminousand oiled surfaces where shown in the plans or directed by theEngineer. Bituminous and oiled surfacing shall be measured andpaid for as unclassified excavation.

In any areas where the existing bituminous surface will meet anew bituminous surface, the existing bituminous surface shall becut back on a straight line to provide a butt-joint for the fulldepth of the existing surface. This joint shall be cut with asaw or jack hammer with a spade attachment and this cutting willbe considered incidental to the removal of the existingbituminous surface.

2135____BBHfl^l IML1T MfP LB1U?The Contractor shall be paid at the unit price for remove inlet,as shown in the Contractor's Bid Form. This price shall be fullcompensation for all labor, tools, and equipment necessary toremove the existing inlet and required lead as shown on the plansor directed by the Engineer. The existing casting, if notreused, shall become the property of the City of Eau Claire.

All catch basin/inlet leads that are no longer in use shall beremoved by the contractor. All existing masonry, pipe, andassociated debris shall be removed from the job site and disposedof by the Contractor. The cost of removing catch basin/inletlead shall be included in the unit bid price for "REMOVING CATCHBASIN LEAD".

2100 - 3 of 6

2136______SALVAGED CULVERTS

Existing culverts which are deemed salvageable by the Engineershall be removed by the Contractor using reasonable care. Theseculverts will be picked up by the Owner. Culverts deemed notsalvageable shall be disposed of at the Contractor's expense.

2137______BLASTING

Blasting shall be done in strict accordance with The WisconsinAdministrative Code on Explosives and all local ordinancesregulating blasting.

The Contractor will be held solely responsible for any damage towork performed by others or to adjacent property due to hisblasting operation.

2140______DEWATBRIMq SUMPS AKD PUMP WELLfl

Dewatering sumps and pump wells are to be strongly sheathed andbraced while in use, and when abandoned, shall be backfilled inthe manner described for all backfilling. The cost for makingall extra excavations necessary to prevent the water frominterfering with the proper construction of the work, and forforming all dams, and furnishing and laying of underdrains,digging of sumps, or wells, bailing and pumping, must be borne bythe Contractor, and included in the prices bid for other items ofwork.

If wells are used for dewatering purposes, the wells shall bedrilled, maintained and abandoned in accordance with therequirements of the Wisconsin Department of Natural Resources.

2161_____EXCAVATION TO BE SHEATHED AMD BRACED

Open-cut trenches shall be sheathed and braced as required byapplicable Federal and State Codes, by the Contract Documents,and as may be necessary to protect life, property, or the work.When close sheathing is required, it shall be driven so as toprevent soil from entering the trench either below or throughsuch sheathing. Th« shoring and bracing of tunnel excavationsshall conform to the requirements of applicable Federal and StateCodes, and to any additional requirements of the ContractDocuments.

For any trench section, the Engineer may allow close sheathing tobe set in place rather than be driven, providing that groundconditions are suitable and that the trench is properly spotbraced prior to the placing of sheathing. Any voids behind thesheathing shall be immediately filled with backfill gravel.

The Engineer reserves the right to order the sheathing driven toa depth 1 foot below the bottom of the bedding material at noadditional cost. Any additional depth requirements as may benecessary for the protection of the work will be paid for inaccordance with other sections of this specification.

2100 - 4 Of 6

Where the sheathing must be driven below the top of a concretecradle or envelope, tar paper or other suitable material shall beused to break the bond between the concrete and the sheathing soas to permit the removal of the sheathing.

Trench sheathing and bracing, including sections which have beenordered left in place, shall be removed for a distance of three(3) feet below the established street grade or the existingsurface grade, whichever is lower.

Trench sheathing and bracing shall be removed before the trenchesare flooded, but only when and in such manner as will insureadequate protection of the completed sewer or water structuresand adjacent underground or surface structures, and prevent thedisturbance of adjacent ground. Trench bracing, except thatwhich must be left in place, may be removed when the backfillinghas reached the respective levels of such bracing. Sheathing,except that which must be left in place, shall be removed afterthe backfilling has been completed or has been brought up to suchelevation as to permit its safe removal.

The cost of furnishing, placing and removing of sheathing andbracing in open-cut trench, and the leaving in place of sheathingand bracing specifically indicated on the plans or in theContract Documents, shall be considered as incidental to theitems of work for which the sheathing and bracing is required.

Where sheathing and bracing has been ordered left in place as anextra by written order of the Engineer, the payment for sameshall be made in accordance with an agreed negotiated price andshall include the upper three (3) feet or cut-off section of thesheathing, as required in other sections of this specification.Such sheathing and bracing shall include all stringers and crossbraces deemed necessary by the Engineer to protect the work.

The right of the Engineer to order sheathing and bracing left inplace shall not be construed as creating any obligation on hispart to issue such orders. His failure to exercise his right todo so shall not relieve the Contractor of any liability fordamages to persons or property occurring from or upon the work ofconstructing the sewer, water main, or appurtenances occasionedby negligence or otherwise, growing out of a failure on the partof the Contractor to leave in place in the trench sufficientsheathing and bracing to prevent the caving or moving of theground, or disturbance of the completed work or any of thesurface or subsurface structures.

Portable trench boxes or sliding trench shields approved by theWisconsin Department of Industry, Labor and Human Relations maybe used as long as in the judgment of the Engineer, jobconditions warrant such use. Use of the shield shall not relievethe Contractor of any liability for damages to persons orproperty occurring from or upon the work of constructing thesewer, water main, or appurtenances occasioned by negligence orotherwise, growing out of a failure on the part of the Contractorto leave in place in the trench sufficient sheathing and bracing

2100 - 3 of 6

to prevent the caving or moving of the ground, or disturbance ofthe completed work or any of the surface or subsurfacestructures.

Care shall be taken when a trench box or shield is moved ahead soas not to pull the already jointed pipe apart or leave voidsaround the pipe wall.

When required by the Engineer, the Contractor shall provide anacceptable method of rechecking line, grade and horizontallocation of the pipe after the shield has been moved ahead. Ifthe pipe has moved, it shall be reset to the proper line andgrade.

A suitable spacer between the concrete and the shield shall beprovided. Where a concrete cradle or envelope is required, tarpaper or other suitable material shall be used to prevent a bondbetween the spacer and the concrete, so as to permit moving ofthe shield without disturbing the pipe, cradle or envelope.

The width of the trench shield or box shall be such that aminimum six (6) inch horizontal clearance is maintained betweenthe pipe and shield at all times.

Any voids occurring between the trench box or shield and theundisturbed trench wall within the pipe zone (bottom of trench totop of cover material) shall be filled with crushed stone chipsor granular backfill, immediately after the box or shield ispositioned.

2163______SUPPORT OF UNDERGROUND STRUCTURES

Concrete backfill, conforming to the requirements of Section2416 shall be used to support sewers, building sewers, watermains, and other utilities crossing trenches. With prior writtenapproval of the Engineer, the Contractor may substitutereinforced concrete beams.

BMP Of flBCTIOM

2100 - < of 6

J200: TRENCH EXCAVATION AND 8ACKTILL

2220_____METHOD QT B1CAVATION

The Contractor shall not deviate from the type of excavationindicated on the plans or in the Contract Documents withoutwritten approval of the Engineer, except in the case of roadways,driveways, and obstructions requiring short tunnel sections whichmay have been indicated on the plans as open trench sections.All tunnel sections exceeding two (2) feet in length shall besupported in accordance with appropriate codes.

2221_____LENGTH OF OPEN TRENCH

Except by permission of the Engineer, not more than 450 feet oftrench shall be opened at any one time. Not more than 300 feet oftrench may be opened in advance of the completed pipe layingoperations; and not more than one street crossing may beobstructed by the same trench at the same time.

2222______EXCAVATION IN ROCK

When rock is encountered, it shall be stripped of earth and shaleand the Engineer notified in order that he may measure or cross-section the same. In lieu of stripping the earth overburdenprior to blasting, the Engineer and the Contractor may mutuallyagree on a method to define the vertical limits of the rock. Anyrock excavated, before such measurement or agreement is made,will not be estimated, allowed or paid for. Rock excavationshall be defined to include all hard, solid rock in ledges,bedded deposits and unstratified masses, all natural conglomeratedeposits so firmly cemented as to present all the characteristicsof solid rock, and masonry or concrete structures not shown onthe plans. Shales, hard pan, masonry and concrete rubble,boulders less than one (1) cubic yard which are not a part of orattached to substrata of rock, shall not be considered rockexcavation.

The Owner will pay for such rock excavation at the rate of $10.00per cubic yard as measured in place.

The trench in rock excavation shall be excavated to a point four(4) inches below the bell of a bell and spigot type pipe and four(4) inches below the outside of the barrel of a tongue and groovetype pipe.

The pay width for rock excavation in open cut shall be the actualwidth of the excavated trench, but not to exceed the outsidediameter of the pipe plus twenty-four (24) inches.

The pay quantities for rock excavation in tunnel shall be theactual volume excavated within the following limits:

(a) Standard Tunnel Section! Ten (10) inches beyond theoutside perimeter of the barrel of the pipe to be installed

2200 - 1 of 10

or four (4) inches beyond the neat lines of the proposedmonolithic sewer but not less than four (4) feet verticaland three (3) feet horizontal (Wisconsin Administrative Coderegulation).

(b) Manhole and Sever Structures: Ten (10) inches beyondthe outside neat lines of the proposed manhole or sewerstructure.

2223______EXCAVATED MATERIAL

The excavated material to be used for trench backfilling must bestored so that it will cause a minimum of inconvenience to publictravel, adjacent owners or tenants and other contractors orsubcontractors.

The excavated material which is not to be used for trenchbackfilling shall be removed immediately from the site of work.

No claim for extra payment will be allowed because of thepresence of quicksand or other materials tending to increase theexcavating costs, unless specifically provided for in theContract Documents.

Surplus excavated material shall b« disposed of by the Contractorat his own option and cost unless he is otherwise directed by theContract Documents, with the exception in both cases as specifiedin the following paragraph.

The Engineer reserves the right to order up to 10% of the surplusexcavated material to be delivered to streets, alleys, publicproperties, or other locations designated by the Engineer. Thecost of delivering such surplus material to any point within adriving distance of two miles from the site of the work shall beincluded in the unit prices bid for the work.

After delivery to any designated public location, such materialshall be leveled off by the Contractor.

2224______EXCAVATED MATERIAL TOR BACKJILL

All trenches shall be backfilled with material excavated from anopen trench consisting of sand, gravel, clay, loam, or othermaterials which, in the judgment of the Engineer, is suitable forbackfilling. Unstable backfill materials include vegetable orother organic matter, all types of refuse, large pieces orfragments of stone, concrete, bituminous concrete, and othermaterial as in the judgment of the Engineer are unsuitable forbackfilling. Frozen backfill material shall not be used.

If there is a deficiency of excavated material due to therejection of a part thereof, the Contractor, upon the writtenorder of the Owner as an extra, shall remove the rejectedmaterial from the site of the work and shall furnish anadditional quantity of granular backfill.

2200 - 2 of 10

2225______QRAKTJLAR BACKFILL

When specified in the Contract Documents, granular backfill whichconforms to the requirements of Section 2229 (c) shall be usedfor backfilling, provided a different type of backfill materialhas not been specified on the plans or ordered, in writing, as anextra by the Owner.

Where the material excavated from the trench is suitable forgranular backfill, and granular backfill is specified in theContract Documents, the Engineer reserves the right to order, inwriting, the use of this excavated material in lieu of thegranular backfill specified. The Owner will then take a creditfor each cubic yard of excavated material used in accordance withGeneral Conditions. The cubic yardage of such backfill will bedetermined by actual measurements in place, however, the trenchwidth shall not exceed that allowed in Sections 2602 and 2701.

Granular backfill will be measured and paid for at the contractunit price per cubic yard, which price shall be full compensationfor furnishing, hauling, placing, compacting and finishing thematerial; and for all labor, tools, equipment and incidentalsnecessary to do the work.

2226______PLACING OT BACCTILL

All pipe or manholes with a rubber gasket or resilient type jointshall be backfilled within 24 hours after installation. Pipesewers or manholes with cement mortar joints shall not bebackfilled until initial set has occurred. Monolithic concretesewers shall not be backfilled until it has been determined thatthe concrete has reached compressive strength of 2500 pounds persquare inch unless otherwise specified in the Contract Documents.

Excavated material for backfill shall conform to the requirementsof Section 2224. Large stones or hard or frozen lumps ofmaterial will not be allowed in the backfill. Material which hasfrozen in the stockpile shall be replaced with acceptablebackfill by the Contractor at his own expense.

After the cover material has been placed, the backfill shall bedeposited and consolidated. The Contractor will be heldresponsible for any damage to underground structures.

In existing pavements and roadways, the trench shall bebackfilled to the existing surface, subject to surfacingrequirements and pavement replacements as specified in theContract Documents. In streets under construction, in open areasand in easements, the trench shall be backfilled to the existingground surface or to the proposed or established grade, whicheveris lower, unless otherwise specified in the Contract Documents.The Contractor shall backfill the remaining section of the trenchwith excavated material.

2200 - 3 of 10

2227______SURFACING OF TRENCH IN ROADWAYS

Where an open trench is cut in a traveled roadway or shoulder ofa highway and pavement replacement is not specified on the plans,the trench shall be surfaced with six (6) inches of crushedaggregate which conforms to the requirements of Section 2230.

The cost of backfilling and surfacing shall be included in theprice bid per foot of sewer or water main. Such backfilling andsurfacing requirements may not be shown on the plans.

2228______CONSOLIDATION OF BACKFILL

Backfill shall be consolidated by Mechanical Compaction.

All required compaction testing shall be performed by the Ownerat no cost to the Contractor. However, the Contractor shallfully cooperate and provide whatever assistance, time and safeaccess is necessary for the performance of the tests. The trenchshall be kept free of visible water during the backfilling andcompaction work. The cover material over the pipe shall beincreased to twelve (12) inches and care shall be taken not toexert undue stress on the pipe during the compaction operation.The initial compacted lift shall be two (2) feet. Eachsubsequent compacted lift of material shall be two feet. TheContractor shall use smaller lifts if the required compactioncannot be obtained.

Mechanical compactors shall be used to achieve uniformconsolidation of the fill material. The granular backfill shallbe so compacted as to result in a minimum of 95% Standard ProctorDensity.

Special compaction methods around manholes and otherappurtenances shall be used to insure proper compaction.

2229______PREPARATION Of FOUNDATION

The Contractor shall prepare the subgrade prior to placing thebase course according to Section 211 of WSSRBC. Subgrade shallhave uniform compaction of not less than 95% of the maximumstandard proctor density.

Preparation of foundation shall be considered as incidental toother items of the contract if no bid item is listed in the bidform.

2230______BIDDING. COVER. FOUNDATION, AND BACKFILL MATERIALSMQOIREMBNTg.

Bedding, cover, foundation and backfill materials shall conformto the following requirements.

(a) BEDDING MATERIALS. Bedding materials shall beaccordance with the following detailed requirements:

2200 - 4 of 10

Crushed Stone Chips. Crushed stone chips shall be made fromcrushing sound limestone, dolomite ledge rock, or other rockmaterials of regional significance. The material shall behard, tough and durable. The crushing process shall producematerial of which 85% to 100% of the particle shall have atleast one machine fractured face. Crushed pea gravel willbe acceptable if it meets this criteria:

1 For sewer pipe 18 inches in diameter or less, crushedstone chips meeting the following grading requirements.

GRADATION REQUIREMENTS FOR3/8 INCH CRUSHED STONE CHIPS

Percentage passingSieve Sizes By Weight

1/2 Inch 100%3/8 Inch 90 - 100No. 8 0 - 1 5NO. 3 0 0 - 3

2 For pipe larger than 18 inches in diameter crushedstone chip bedding shall meet the following requirements.

GRADATION REQUIREMENTS TOR3/4 INCH CRUSHED STONE CHIPS


1 Inch 100%3/4 Inch 90 - 1003/8, Inch 20 - 55No. 8 0 - 1 0No. 3 0 0 - 5

Crushed Stone Screenings. Crushed stone screening shall bemade by crushing sound limestone, lolomite ledge rock, orother rock materials of regional significance. They shallnot contain excessive amounts of loam, dust or otherundesirable substances.

Screenings shall conform to the following requirements.

GRADATION REQUIREMENTS TORCRUSHED STONE SCREENINGS


1/2 Inch 100%NO. 4 75 - 100NO. 100 10 - 25

2200 - 3 of 10

Bidding Sand. Bedding sand shall consist of durableparticles ranging in size from fine to coarse in asubstantially uniform combination. Unwashed bank-run sand,rejected concrete sand, and crushed bank-run gravel will beconsidered generally acceptable under this specification.The presence of approximately 6% of fine clay or loamparticles is desirable, but clay or loam lumps are notpermitted. The maximum moisture content shall be 10%.

Bedding sand shall conform substantially to the followinggradation requirements.

GRADATION REQUIREMENTS TORBEDDING SAND


1 Inch 100%No. 16 45 - 80Material FinerThan No. 200 2 - 1 0

(b) COVER MATERIAL FOR PIPE. Material which is to be usedaround and over the sever pipe and above the pipe beddingshall be termed cover material. It shall consist of durableparticles ranging in size from fine to coarse in asubstantially uniform combination. Unwashed bank-run sand,and crushed bank-run gravel will be considered generallyacceptable under this specification. This material shallconform substantially to the following gradationrequirements.

GRADATION REQUIREMENTS TORCOVER MATERIAL

Percentage passingSieve sizes By Weight

1 Inch 100%3/4 Inch 85 - 1003/8 Inch 50 - 80NO. 4 3 5 - 6 5NO. 40 15 - 30NO. 200 5 - 1 5

Bedding material may be substituted for cover material insewer installation. Cover material for water main shall beof the same material as the bedding.

2200 - « Of 10

(c) GRANULAR BACKFILL. Granular material for backfillingshall consist of durable particles ranging from fine tocoarse in a substantially uniform combination. Sufficientfine material shall be present to fill all the voids of thecoarse material. No stones over 3 inch sieve size shall bepresent. Some fine clay or loam particles are desirable,but they shall not be present in the form of lumps.Granular backfill shall conform to the following gradationrequirements

GRADATION REQUIREMENTS FORGRANULAR BACKFILL


2 Inch 95 - 100%No. 4 3 5 - 6 0Finer thanNo. 200 5 - 1 5

(4) EXCAVATED MATERIAL USED AS BACKFILL. Excavatedmaterial to be used as backfill shall consist of loam, clay,or other materials which, in the judgment of the Engineer,are suitable for backfilling. Unstable backfill materialsinclude vegetable or other organic matter, all types ofrefuse, large pieces or fragments of concrete and othermaterial as in the judgment of the Engineer are unsuitablefor backfilling. Frozen backfill material shall not beused.

(e) CRUSHED STONE. When crushed stone is required under asewer, water main, or sewer structure, it shall consist ofclean, hard, tough, durable, angular material crushed frombedrock limestone, dolomite, or granite graded by weight inaccordance with the following table.

GRADATION REQUIREMENTS FORMO. 2 CRUSHED STONE


2 Inch 100%1-1/2 Inch 90 - 1001 Inch 20 - 553/4 Inch 0 - 1 51/2 Inch 0 - 5

When crushed stone is required to affect soil stability ordrainage it shall meet the following gradation requirements.

2200 - 7 of 10

GRADATION REQUIREMENTS FORCRUSHED STONE


2-1/2 Inch Size (ASTM C-33/Size No. 2^3 Inch 100%

2-1/2 Inch 90 - 1002 Inch 35 - 70

1-1/2 Inch 0 - 1 53/4 Inch 0 - 5

2 Inch Size (ASTM C-33/Size No. 2^2-1/2 Inch 100%

2 Inch 90 - 1001-1/2 Inch 35 - 70

1 Inch 0 - 1 51/2 Inch 0 - 5

2231_____CRUSHED AGGREGATE BASE COURSE

All crushed aggregate base course material furnished and placedunder this contract shall conform to Section 304 gradation No. 2of WSSRBC, except that the limits on the No. 200 sieve shall be5-12.

The compacted thicJcness shall be six inches on all areas whichare to receive bituminous paving, unless otherwise specified onplans.

Crushed aggregate base will be paid for at the contract unitprice per Cubic Yard and shall be full compensation for shapingand compacting the subgrade; and for furnishing, hauling,spreading/ and compacting the crushed aggregate base coursematerial. The Contractor shall furnish the Inspector, at the endof each working day, that day's weight tickets for each truckused.

Aggregate base will be measured by the ton and this measurementwill be converted to cubic yards for payment.

The Contractor shall allow the Inspector to measure the volumedisplaced by the crushed aggregate material on any truck at anytime the Engineer deems necessary.

crushed aggregate base course will be paid for on the planquantity basis under the following conditions.

1. New Streets. Newly constructed streets shall receive 6compacted inches of crushed aggregate base course on aprepared subbase unless shown otherwise on the plans. Theplan quantity will be shown in the Estimated QuantitiesSheet of the specifications. This quantity will be based on

2200 - 8 of 10

the length, width, and thickness of the compacted base witha 30% expansion factor.

(Volume » length x width x thickness x 1.3)

2. Reconstructed Streets. Reconstructed streets are thosehaving existing surface and base courses that are to beremoved by the contractor. Reconstructed streets shallreceive 6 compacted inches of crushed aggregate base courseon a prepared subbase unless shown otherwise on the plans.The plan quantity will be shown in the Estimated QuantitiesSheet of the specifications. This quantity will be based onthe length, width, and thickness of the compacted base witha 30% expansion factor.

(Volume - length x width x thickness x 1.3)

2232______TRAMSFBR BIISTINQ AQQREOATB BASE COOMB

On streets with an existing aggregate base that does not conformto the typical section, the Contractor shall be responsible tosalvage and reuse as much of the existing base course material aspossible. The existing base course material shall be transferredusing trucks and shall be placed in sections of the street whichhave been excavated and prepared for this material. Care shallbe taken that only uncontaminated base course is used.Contaminated base course shall be hauled away as unclassifiedexcavation.

Transfer existing aggregate base course will be paid for at thecontract unit price per cubic yard and shall be full compensationfor shaping and compacting the subgrade, excavating loading,hauling, and spreading of the existing aggregate base course.The Contractor shall furnish the inspector at the end of eachworking day, that day's load tickets for each truck used.

2233______PREPARATION Of AQQMQATB BASB

The Contractor shall be responsible for obtaining a shape in theaggregate base which is near enough to correct that the surfacingmaterial can be finished to a true shape. The shaping shall beperformed by long vheelbase motor graders or aggregate basefinishers designed for the purpose. This work shall be under thesupervision of an expert in that line. The aggregate base shallbe approved by the Inspector before the surface material isplaced on it.

All base course material shall be compacted to 95% of the maximumstandard proctor density. Compaction equipment used fordensification or compaction and smoothing of base course shall beof a rolling type, vibratory type, or a combination of bothtypes; and shall meet the requirements of specialized compactionequipment contained in Section 207.3.6.2 of WSSRBC.

2200 - t of 10

On newly constructed streets or reconstructed streets (where basecourse is paid as plan quantity) preparation of aggregate basewill .be considered as incidental to other related construction.On streets where base course is existing and the Contractor onlyhas to remove, add, or transfer small amounts of aggregate basematerial to conform to the plan grade and cross section,preparation of aggregate base will be paid for at the contractunit price per square yard and shall be full compensation for allcompaction and final shaping of the aggregate base coursematerial.

2234______AQQRJQATB BAflB PRIOR TO CURB ft GUTTER

To open streets to local traffic at the earliest possible time,the Contractor shall place aggregate base course prior to curband gutter construction unless directed otherwise by theEngineer. Aggregate base shall be placed from back of curb toback of curb. Plan quantity pay dimensions will be based on thiswidth for streets receiving curb and gutter under this contract.

BMP OF SECTION

2200 - 10 of 10

2300 TUNNELING AND JACKING

2310______qgNBRAL REQUIREMENTS

When jacking operations are required or permitted, the pipe maybe jacked at such locations and under specific conditionsapproved or stipulated by the Engineer. The Contractor shallsubmit for review details giving the limits of the proposedjacking, the method and equipment to be used, and the location ofthe shaft, pit or approach tunnel. This shaft, pit or approachtunnel shall be at a location that will not unduly interfere withtraffic or with the use of adjacent property.

Upon completion of the jacking operations, all voids around theoutside face of the pipe shall be filled with backfill concreteor cellular concrete as specified elsewhere.

Except as may be approved by the Engineer, bentonite (dry orslurry form) , or any other lubricant, shall not be used in lieuof required grouting to fill voids between the exterior of thepipe and the tunnel excavation or the primary earth supportsystem.

2320______REINFORCED CONCRETE PIPE

Reinforced concrete pipe when used, shall have two circularrings of reinforcement extending into both the tongue and grooveof the pipe. The use of quadrant reinforcement or ellipticalreinforcement as an alternate to full inner and outer circularcages, will not be permitted in pipe intended for jacking.

The barrel and joints of all jacked pipe shall be protected fromcrushing, or other damage, by placing "Celotex", plywood, orother approved cushioning material on the outside shoulder of thespigot end of each section of pipe prior to jacking out of theshaft. The cushioning material shall be secured in position in amastic material or other approved means. Jacking pressures usedshall be such that crushing or other damage to the barrel orjoints of the pipe will not occur.

After the pipe is in final position, the joints shall be pointedwith a non-shrinJc cement mortar. This pointing is not requiredwhen rubber type gasket joints are used.

233Q______CMIMQ PIPB

A casing pipe is a pipe into which another pipe conveying theflow is inserted. The casing pipe shall be as follows:

(a) Types1. R.C.P. shall meet the requirements of the MaterialSpecifications.

2300 - 1 of 2

2. Steel pipe shall meet the requirements as set forth inthe Contract Documents. The joints of sections of casingpipe to be jacked shall be welded with a continuouscircumferential weld. It shall be the Contractor'sresponsibility to provide stress transfer across the jointswhich is capable of resisting the jacking forces involved.

(b) Inserted Pip*

1. Sewer Pipe - The sewer pipe installed shall have jointsconforming to the retirements of the specifications. Thesewer pipe shall be supported and braced to prevent shiftingor flotation during the backfilling operation. The annularspace between the sewer pipe and the casing pipe shall befilled with backfill concrete or cellular concreteconforming to the requirements of the MaterialsSpecifications.

2. Water Pipe - The water pipe shall be installed inaccordance with the requirements of the specifications.

2340______CONCRETE BACKFILL

Concrete backfill, or cellular concrete which conforms to therequirements of Section 2416, shall be used for backfilling thespace between the outside of the pip* and the timber tunnellining for pipe sewers and water main in tunnel. The Contractormay substitute concrete of a better grade with approval of theEngineer.

2350______BACKFILLING IN WORK SHAFTS

Work shafts and manhole shafts on tunnels shall be backfilledwith excavated material, and the cost included in the price bidfor sewer or water main. Backfilling shall proceed in the samemanner as specified for open trench in Section 2228. Surfacingrequirements are the same as for trenches.

BMP OF SECTION

2300 - 2 of 2

2400?_____CQNCRBTB CONSTRUCTION

2401______QRADINO TOR CONCRETE PLACEMENT

The Contractor will be responsible to grade for the placement ofall concrete, backfill and do all restoration work. TheContractor will also backfill the traveled roadway side of thecurb and gutter with crushed aggregate base course and backfillbehind the curb to within 4 inches of the top of curb with cleanfill material with a maximum gradation of one inch (!")• Thisfill material shall be taken from the street being worked on. Ifin the estimation of the Engineer, there is an insufficientamount of this material located on the street, fill materialmeeting the specification for granular backfill shall be hauledin by the Contractor. Where sidewalk and curb and gutter isconstructed, the boulevard area and the area behind the sidewalkshall be graded to four inches below finished grade.

2402______PROTECT ION OF CONCRETE

The Contractor shall take all precautions necessary to preventfreezing of the concrete and to produce quality concrete. Coldweather placing of concrete shall meet the requirements ofSubsection 409.5.14 of WSSRBC. Any concrete damaged by freezingor frost action during the first seven days following itsplacement shall be removed and replaced by the Contractor at hisexpense.

The Contractor will be responsible to erect and maintain suitablebarricades to exclude pedestrian and vehicular traffic from thenewly placed concrete until such time that the concrete hassufficiently cured. Traffic will not be allowed on newly placedconcrete until after test cylinders show a minimum compressivestrength of 3000 psi. Protection of cement shall meet therequirements of Subsections 409.5.15 and 409.5.16.

All newly placed concrete shall be cured by the imperviouscoating method as stated in Subsection 409.5.10.2 of WSSRBC.Liquid membrane-forming compounds shall conform to therequirements of the specification for Liquid Membrane-FormingCompounds for Curing Concrete, AASHTO designation: M 148, Type 2,white pigmented. Unless a greater rate of coverage is specifiedby the manufacturer, coverage shall be no less than one gallon ofcuring compound per 200 square feet of surface area. Whenconcrete is placed by the slip-form method, the sides shall alsobe coated with curing compound. When forms are used, the edgesshall be coated within 30 minutes after form removal, with curingcompound. Hand-operated sprayers may be used.

2403______TRAMflTERKIMQ QRAPES FROM ENGINEER'S STAKES

Transferring grades f rom the Engineer 's stakes shall beaccomplished with a straight edge and carpenter's level. No oillevels or line levels will be permitted.

2400 - 1 of 15

2404______8AWINQ CONCRETE

Where new construction meets existing construction, the existingedge shall be straight and at near right angles to the work.This may require sawing of the existing concrete. The depth ofthe saw cut shall be a minimum of 1/3 the thickness of theconcrete to be sawed. The sawing operation shall be performed sothat the surface to remain is generally vertical for its fulldepth.

Sawing existing concrete will be measured and paid for at theContract unit price per lineal foot for "Sawing Concrete" asshown in the Bid Form. This price shall be payment in full forall saw cuts and furnishing all labor, tools, equipment andincidentals necessary to complete the work.

2410______CONCRETE MATERIALS RJBQUIRZMBNT8

Water, cement, fine aggregates, coarse aggregates and air-entraining admixtures shall meet the requirements of Subsection501.3 of WSSRBC. Water for use in concrete shall be clean andfree from injurious amounts of oil, acid, alkali, organic matteror other deleterious substances.

Cement for concrete shall be Type I (normal Portland Cement) orType IA (air-entraining Portland Cement). All concrete shall beair-entrained; therefore, if Type I cement is used, an air-entraining admixture shall be used. Air-entrained concrete shallcontain 6% air, plus or minus 1.5%.

Concrete shall be Grade "A" that meets the requirements ofSubsections 501.4 and 501.5 of WSSRBC. If high-early strengthconcrete is required, Grade "C" air-entrained concrete shall beused.

Concrete shall be mixed and delivered per Section 501.3 ofWSSRBC.

All concrete placed under this Contract shall have a compressivestrength in 28 days of not less than 4000 Ibs. per square inch.Three compression test cylinders will be made each time a test isrun. One will be tested at seven days and two at 28 days. Ifthe average of the two cylinders tested at 28 days is less than4000 Ibs. per square inch, the Contractor will be required to payfor other accepted testing methods, to provide proof that theconcrete is acceptable. The Engineer has the right to order apour removed or withhold final acceptance of the work until thework is satisfactory.

Concrete shall have a slump of 2-4 inches. The Contractor willallow the Engineer to make standard slump tests, air-entrainmenttest, and compression test cylinders at any time the Engineerdeems necessary. Failure of the concrete to pass any of thesetests shall be cause to reject that load of concrete.

Air-entraining agents are the only admixtures allowed to be usedwithout the Engineer's consent. Any other admixtures (retarders,

2400 - 2 of 15

accelerators, water reducers, pozzolans, fly ash, etc.) must beapproved by the Engineer prior to their use.

2413,_____STEEL REINFORCEMENT

STEEL BARB. Reinforcement for reinforced monolithic concreteconstruction shall consist of steel bars that conform to thespecifications for deformed steel bars, Grade 60 as specified inASTM Designation A-615.

QUALITY. Bars shall have a workmanlike finish, shall be freefrom dirt, excessive rust, oil or other coatings, and shall notbe appreciably bent out of true shape.

MARKINGS. The brand or distinctive mark of the manufacture shallbe legibly rolled on all deformed bars. Each shipment shall betagged with the manufacturer's test identification number. Barsbent to shape shall be bundled and suitably tagged to designatethe shape, and size and length of bars.

STRUCTURAL STEEL. Structural steel shall conform to ASTMDesignation A-283 or A-306.

INTERNAL TIES 70R CONCRETE FORMING. Rods shall be used asinternal ties for concrete forms. Such rods shall be equippedwith suitable lock nuts and tightening devices and shall bearranged so that no metal remains within one inch of the inside,finished concrete face after forms have been removed. The use ofwire ties will be allowed when approved by the Engineer.

SHOP DRAWINGS. The Contractor shall furnish for approval of theEngineer 3 sets of prints of reinforcing bar details showingnumber, size, and shape of bars, and a reinforcing bar-settingdiagram showing location of bars in place. No reinforcing barsshall be ordered until one set of prints has been returned to theContractor with the approval of the Engineer.

2412______TIMBER AMD FORMING LUMBER

QUALITY. Timber and lumber used for bracing and stiffening offorms for monolithic concrete structures shall be good quality,free from weakening knots and of such sizes and spacings as willprovide a liberal factor of safety and a rigid and unyieldingform for concrete at the rate of placement employed.

Lumber used for facing of monolithic concrete structures,including lagging of monolithic concrete circular sewers shall bewell-seasoned, dressed lumber. It shall be substantially freefrom knotholes, loose knots, large wormholes, decay or othermilling defects. It shall be of uniform thickness so as toproduce an even concrete surface.

2413______PORTLAND AMD MMQMRY CEMENT

GENERAL REQUIREMENTS. All cement shall be delivered to the jobsite in original packages bearing the type and brand name orstamp of the manufacturer. Bulk cement may be used at read-mixed

2400 - 3 of 15

concrete plants only. Cement containing lumps or crusts shallnot be used.

AIR-ENTRAINING TYPES.

(a) Air-entraining Portland Cement shall comply with therequirements of ASTM Designation C-150, Type 1A. Whenhigh early strength cement is specified, therequirements for Type 111A shall apply.,

(b) Air-entraining Portland Blast Furnace Slag Cement shallcomply with the requirements of ASTM Designation C-595,Type ISA.

NON-AIR-ENTRAININO TYPES

(a) Non-air-entraining Portland Cement shall comply withthe requirements of ASTM Designation C-150, Type 1.When high early strength cement is specified, therequirements for Type 111 shall apply.

(b) Non-air-entraining Portland Blast Furnace Slag Cementshall comply with the requirements of ASTM DesignationC-595, Type IS.

AIR-ENTRAINING ADMIXTURES. When permitted in the ContractDocuments or by the Engineer, air entraining admixture conformingto the requirements of ASTM Designation C-260 together with non-air-entraining cement may be used in lieu of air-entrainingPortland Cement.

MASONRY CEMENT. Masonry cement shall comply with therequirements of ASTM Designation C-91.

2414______AGGREGATES FOR PORTLAND CEMENT CONCRETE

GENERAL REQUIREMENTS. Coarse and fine aggregates shall complywith ASTM Designation C-33, Specifications for ConcreteAggregates, except as modified by these specifications.

FINE AGGREGATE. Fine aggregate shall consist of sand composed ofclean, tough, durable grains of approved inert materials fromnatural deposits and shall conform to the grading requirementsshown in the following table.

GRADING REQUIREMENTS FOR TINE AGGREGATE

Percentage PassingSieve Sizes By Weight

3/8 Inch 100%NO. 4 95 - 100NO. 8 80 - 100NO. 16 50 - 85NO. 30 2 5 - 6 0No. 50 10 - 30NO. 100 2 - 1 0

2400 - 4 of 15

COARSE AGGREGATE. Coarse aggregates shall comply with ASTMDesignation C-33, Size 67 for Size No. 1 and ASTM Designation c-33, Size 4 for Size No. 2, except as modified by thesespecifications.

Coarse aggregates shall consist of clean, hard, tough, durablecrushed rock, crushed gravel or gravel free from adherentcoatings, soft, flat or elongated particles and free fromvegetation or other deleterious substances and shall meet thegrading requirements shown in the following table .

GRADING REQUIREMENTS FOR COARSE AGGREGATES

Percentage PassingSieve Sizes By Weight

Siie No. 1:

1 Inch 100%3/4 Inch 90 - 1003/8 Inch 20 - 50No. 4 0 - 1 0No. 8 0 - 5

Siie No. 2i2 Inch 1001-1/2 Inch 90 - 1001 Inch 20 - 553/4 Inch 0 - 1 51/2 Inch 0 - 5

Gradations not meeting these requirements may be accepted if thecomposite gradation of Size No. 1 combined with Size No. 2 meetsthe gradation of Size No. 467 of ASTM Designation C-33.

2415_____WATER

A public water supply shall be used wherever possible. Wherepublic water supply is not available, water which is free of oil,acid, excessive alkalinity, organic matter and other harmfulingredient* may be used with the approval of the Engineer.

2416 C

GENERAL REQUIREMENTS. Portland Cement concrete shall be composedof a mixture of Portland Cement, fine and coarse aggregates andwater as required for the class of concrete specified for theparticular item of construction all meeting the requirements ofSections 2413, 2414, and 2415.

The air content by volume of air-entrained concrete containingNo. 1 and No. 2 coarse aggregate shall be between 4 and 7% andbetween 4.5 and 8% when the concrete contains only No. 1 coarse

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aggregate. An approved air-entraining admixture shall beincorporated into the concrete when the air-entraining typePortland Cement does not produce concrete meeting the air-contentrequirement.

Concrete delivered at air temperatures lower than 45 degreesFahrenheit shall have a minimum temperature of 50 degreesFahrenheit. The maximum temperature of concrete produced shallat no time during its production or transportation exceed 90degrees Fahrenheit. The Engineer reserves the right to orderconcreting discontinued when the air temperature falls below 35degrees Fahrenheit.

TESTING. Testing shall be in accordance with the followingstandards:

(a) The method of making and storing compression testspecimens of concrete (6 x 12 inch cylinders) in thefield shall be in accordance with ASTM Designation C-31.

(b) The method of making the compression test on 6 x 12inch cylinders shall be in accordance with the StandardMethod of Test for Compressive Strength of Concrete,ASTM Designation C-39.

(c) The slump shall be determined in accordance with ASTMDesignation C-143.

(d) The weight per cubic foot, yield, air content andcement content shall be determined by measurement in astandard measure in conformance with ASTM DesignationC-138. The air content may be determined by thepressure method in accordance with ASTM C-231 or thevolumetric method in accordance with ASTM DesignationC-173.

CLASSIFICATIOH Of COMCRBTB. The Classes of concrete to be usedfor the different items of construction, except when otherwisespecified, shall be in accordance with Section 501 WSSRBC.

BACXJILL CONCRBTB. This class of concrete is for backfill forsewer constructed in tunnels, for piers under utilities and whereconcrete backfill is specified. When site mixing is used, it maybe proportioned either one and one-half bags of Portland Cement,6 cubic feet of concrete sand and 12 cubic feet of coarseaggregate or one bag of Portland Cement and 12 cubic feet ofgraded aggregate.

CELLULAR CONCRBTB. Lightweight cellular concrete may be used forfilling abandoned sewers, as a grouting mixture for filling voidsand as a substitute for backfill concrete in tunnels. Thecellular concrete shall be produced by blending preformed foamwith cement-sand grout slurry to produce a concrete having afresh weight per cubic foot of not less than 75 pounds. Thecement-sand grout slurry shall be proportioned to contain 8 bagsof Type 1 or 1A Portland cement per cubic yard.

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OSB OF HIGH EARLY STRENGTH CONCRETE. When the Contractor, at hisown request, uses high early strength cement or a Class "A"concrete to shorten the time required prior to placing load onthe structure, the added cost shall be borne by him.

READY-MXXBD CONCRETE. Ready-mixed concrete shall meet therequirement* of the specifications for Ready-mixed Concrete, ASTMDesignation C-94, except as modified by these specifications.

(a) Concrete mixed completely in truck-type mixers shall bemixed between 70 and 100 revolutions at designatedmixing speed. All revolutions after 100 shall be atagitating speed.

(b) All concrete shall be deposited on the job site within1-1/2 hours after introduction of the mixing water.

(c) Rejected loads of concrete shall not be retempered oradjusted by additional ingredients.

(d) With each load of concrete delivered to the job thereshall be furnished by the ready-mix plant a duplicatedelivery ticket, one copy to be retained by theContractor and the other given to the inspector of thejob.

(e) Batch hopper scales shall be tested and approved by theLocal Sealer of Weights and Measures. The WisconsinDepartment of Transportation, Division of Highways, oran approved testing service at intervals not exceedingtwelve months. The hopper scales or portable plantsshall have an approval after each movement of theplant.

(f) The Engineer reserves the right to require thatPortland Cement Concrete be produced in a plant whichcomplies with the requirements of the National ReadyMix Concrete Association certification plan.

TEST CYLINDERS. All monolithic concrete construction work shallbe tested for compressive strength. Concrete test cylindersshall be taken by the Engineer and tested in sets as indicatedbelow:

(a) All Tunnel. Invert and Arch Pours. One cylinder for a7-day test and 3 cylinders for 28-day tests. Thesecylinders are to be moist closet cured at thedesignated testing laboratory.

(b) All Arch Pours in Open Cut Construction IncludingStructures. Three additional cylinders to be fieldcured and tested at intervals to be determined by theEngineer. They shall be field cured under conditionsequivalent to the concrete in the sewer or structure.These cylinders will be used to determine when theconcrete has attained sufficient strength forbackfilling.

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When large volumes of concrete are being tested, one set ofcylinders is required for each 50 cubic yards or less placed upto 100 cubic yards; and one set of cylinders for each 125 yardsplaced after that.

2417 MASON SAMP

REQUIREMENTS. Mason sand shall meet the requirements of theSpecification for Aggregate for Masonry Mortar, ASTM DesignationC-44 except as modified by these specifications. It shallconsist of sand composed of clean, hard, tough, durable grains ofapproved inert materials from natural deposits, and meet thefollowing grading requirements.

GRADING REQUIREMENTS FOR MASON 8XKD

Sieve Sizes

No. 8No. 50No. 100

Percentage PassingBy Weight

100%15 - 352 - 1 0

2418 MORTAR

Mortar to be used for joints for sewer pipe or masonry units, forplastering or for any other specified use shall meet therequirements for Typ« "M" mortar of the property specification ofASTM Designation C-270. Mortar shall consist of a mixture ofclean mason sand, water and air-entraining cementitious materialsall meeting the following requirements:

Portland Cement Typ« I or IAMasonry CementHydrated Lime, Type SAMason Sandwater

Section 4-1-4ASTM Designation C-91ASTM Designation C-207

Section 4-1-8Section 4-1-6

Mortar used within 5 feet of the ground surface or exposed toweather shall not be retempered. Mortar shall not be used morethan 60 minutes after water has been added to the dry mix or ifit has developed its initial sat.

The mortar shall be mixed in the proportion as specified below.

2400 - 8 of 15

MORTAR PROPORTIONS

Parts By Part* By Parts 87Volume / Volume / volume/Portland Masonry Hydrated Damp Loos*Cement cement Lima Mason sand

1, Type IA 1 0 Not less than2-1/4 and not

1, Type I 0 1/4 more than 3Type SA times the sum of

the volume ofcements and limeused.

RAPID SETTING LIQUID ACCELERATOR. Liquid accelerator shall beAnti-Hydro, Ipanex-R, or approved equal.

2420______PLACING AMP FINISHING COMCRBTB PAVgMJMT

Concrete pavement placed under- this Contract shall meet therequirements of Section 409 of WSSRBC.

The foundation shall be formed by trenching or filling to allowthe placement of 6" of crushed aggregate base course, unlessotherwise noted on plans, below the proposed concrete pavement.The foundation shall be thoroughly compacted to insure stability.In cuts, the foundation shall be made wide enough to permitplacing of forms and performing the required work of placing andfinishing the concrete. In fills, the foundation shall beconstructed one foot wider than the proposed concrete pavement.

Forms used shall be made of metal and of sufficient strength toinsure rigidity during the depositing and consolidation ofconcrete. All forms shall be securely staked and braced to therequired line and grade. All forms shall be cleaned and oiledbefore each pour. Forms shall be set to line and grade accordingto grades established by the Engineer. After the forms are setand the subgrade thoroughly compacted, the subgrade shall bechecked to insure proper thickness of concrete pavement. If fillmaterial is required between the forms, it shall be placed andcompacted in layers not to exceed 6" in depth. The compactionshall be formed by a mechanical compactor that will compact to95% of the maximum density.

Contraction and expansion joints shall be constructed at thelocations called for on the plans or as directed by the Engineer.Contraction joints shall be perpendicular to the pavementsurface. These joints shall consist of a slot or groove at least1-1/2 inches in depth and 1/4 inch in width, with the edgesrounded to a radius of 1/2 inch by using a jointer. The edges ofthe pavement along forms, joints, or metal slab division platesshall be neatly edged with a 1/2 inch radius tool. Expansionjoint material shall conform to requirements of the StandardSpecifications for preformed expansion joint fillers, non-extruding and resilient bituminous types for concrete paving,AASHTO designation M-213-74. Expansion joint filler shall be 1/2

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inch wide, shall extend the full depth of the pavement and shallnot protrude above the pavement surface. If contraction andexpansion joints are required by the Engineer to be sealed, ahot-poured sealer conforming to Subsection 409.2.5.1 of WSSRBCshall be used.

The subgrade shall be thoroughly moistened immediately prior toplacing concrete. The concrete shall be deposited in the formsto the proper depths, thoroughly consolidated, spadedsufficiently to bring mortar to the surface, after which it shallbe struck off and floated. Before the mortar has set, thesurface shall receive a coarse broomed finish.

Should the case arise where reinforcing steel is required, theContractor shall furnish and install the necessary steel.Payment shall be made using the cost-plus basis as defined inSection 6 of the General Conditions.

Concrete pavement will be measured and paid for at the contractunit price per square yard and shall be full compensation forfurnishing, excavating, backfilling, hauling, preparing, placing,curing and protecting all materials; and for all labor,equipment, tools, and incidentals necessary for constructing thepavement.

2430______PLACING AMD FINISHING CONCRETE CURB AMP QOTTgR

Concrete curb and gutter placed under this Contract shall meetthe requirements of Section 601 of WSSRBC.

The foundation shall be prepared by excavating to the lines andgrades as shown on the plans or directed by the Engineer. Thefoundation shall be thoroughly compacted to insure stability.All compaction shall be performed by a mechanical compactor thatwill compact the foundation to 95% of its maximum density.

Concrete curb and gutter may be placed using the traditional formmethod or by using a slip-fora machine. If a machine is used,the resulting curb and gutter shall be of such quality as toequal or exceed that produced by formed methods. If forms areused, they shall be securely staked and braced to the requiredline and grade. Forms shall be of metal and shall be of the fulldepth of the curb and gutter sections. Flexible or curved formsof proper radius shall be used for curves of 100 foot radius orless. All forms shall be cleaned and oiled before each pour.Steel division plates shall be used on curb and gutter at 10 footintervals.

The subgrade shall be thoroughly moistened immediately prior toplacing concrete. The concrete shall be deposited, consolidatedand slip-formed to the required section or it shall be depositedin the forms to the proper depths, thoroughly consolidated,spaded against the forms, struck off and finished to the requiredsection. When the concrete has sufficiently set, the face formof the curb shall be removed and the curb surface finished. Thedivider plates shall not be removed until the concrete has setenough so it will not s«ttl« down. Th« back edge of the curb,the edge of the gutter adjacent to the pavement and edges

2400 - 10 Of 15

adjacent to expansion joints or contraction joints formed byseparator plates shall be rounded with an edger of 1/2 inchradius. The curb and gutter surface shall have a broomed finish.

Expansion joint material shall conform to requirements of theStandard Specifications for preformed expansion joint fillers,non-extruding and resilient bituminous types for concrete curband gutter, AASHTO designation M-213-74. Expansion joint fillershall be 3/4 inch wide, shall extend the full depth of the curband gutter, shall be set at right angles to the flow line andshall not protrude above the surface of the curb and gutter.Expansion joints shall be located as follows; each side of everycatch basin or inlet about 3 feet from the catch basin or inlet,at all locations where tangent and radial curb and gutter meet,at driveways, where new curb and gutter meets old and on tangentsections at a maximum spacing of 100 feet.

Contraction joints shall be constructed at approximate 10 footintervals in the curb and gutter. Contraction joints in slipformed curb and gutter shall consist of a slot or groove at least1-1/2 inches in depth and 1/4 inch in width, with the edgesrounded to a radius of 1/2 inch by using a jointer. Formed curband gutter shall have contraction joints located where the steeldivision plates were. Joints shall not be sealed.

Depressions in the concrete curb and gutter to accommodate rampsfor handicapped persons shall be constructed at the locations andin accordance with the details shown on the plans or as locatedby the Engineer.

Curb and gutter will be measured and paid for at the contractunit price per lineal foot measured along the base of the curbface. This measurement shall be continuous across driveway andalley entrance returns or ramps. No deduction will be made fordrainage structures installed in the curb and gutter. This priceshall be full compensation for all excavation and preparation offoundation, for furnishing all materials, for placing, finishing,protecting and curing, construction of joints; and for all labor,tools, equipment and incidentals necessary to complete the work.

Concrete driveway approaches shall meet the requirementsspecified for concrete sidewalk except as modified below:

Wood forms) may be used in lieu of metal. Wood forms shallconsist of a surfaced plank of at least 2 inch nominal thickness.Wood shall b« of sufficient strength to resist springing,tipping, or other displacement during the depositing andconsolidation of concrete.

Driveway approaches shall be formed as shown on the standarddetails of the plans or specifications.

The driveway approach shall be considered as that area beginningat the back of curb and extending through the sidewalk to theback or property owner side of the walk.

2400 - 11 of 15

Concrete driveway approaches shall be hand-formed.

Expansion joints shall be placed where the driveway approachabuts the curb and gutter or sidewalk.

Contraction joints shall be constructed in the locations shown onthe standard details or as directed by the Engineer.

Concrete driveway approach will be measured and paid for at thecontract unit price per square foot and shall be fullcompensation for furnishing all materials; for all excavation andpreparation of foundation, backfilling and disposal of surplusmaterial; for placing, finishing, protecting and curing; and forall labor, tools, equipment and incidentals necessary to completethe work.

2450______PLACING AMD FINISHING CONCRETE SIDEWALK

Concrete sidewalks placed under this contract shall meet therequirements of Section 602 of WSSRBC.

The foundation shall be formed by excavating or milling to therequired elevation of the bottom of the concrete. The foundationshall be thoroughly compacted to insure stability. Allcompaction shall be performed by a mechanical compactor that willcompact the foundation to 95% of its maximum density. In cutsthe foundation shall be sufficiently wide to perform the requiredwork, and on fills the foundation shall be constructed to a widthextending no less than one foot beyond each edge of the sidewalk.

Concrete sidewalk may be placed using the traditional form methodor by using a slip-form machine. If a machine is used, theresulting sidewalk shall be of such quality as to equal or exceedthat produced by formed methods. If forms are used, they shallbe securely staked and braced to the required line and grade.Forms shall be of metal and shall be the full depth of thesidewalk section. All forms shall be cleaned and oiled beforeeach pour. Flexible or curved forms of proper radius shall beused for curves of 100 foot radius or less.

The subgrade shall be thoroughly moistened immediately prior toplacing concrete. The concrete shall be deposited, consolidatedand slip-formed to the required section or it shall be depositedin the forms to the proper depth, thoroughly consolidated, spadedagainst the forms, struck off and floated with a wooden float.Before the mortar has set, the surface shall be steel troweledand finished with broomed finish. The edges of sidewalk alongforms, joints or metal slab division forms shall be neatly edgedwith a 1/2 inch radius tool.

Expansion joint material shall conform to requirements of theStandard Specifications for preformed expansion joint fillers,non-extruding and resilient bituminous types for concretesidewalk, AASHTO designation M-213-74. Expansion joint fillershall be 1/2 inch or 1 inch wids, shall extend the full depth ofthe sidewalk, and shall not protrude above the surface of thesidewalk. One-half inch expansion joints shall be located asfollows: along intersecting sidewalks, along private concrete

2400 - 12 of 15

sidewalks and driveways, between the sidewalk and back ofabutting curb and gutter, around any rigid structures located inthe sidewalk, each side of a driveway where it passes through thesidewalk, and at uniform intervals of no more than 50 feet. One-inch expansion joints shall be located between the sidewalk andany abutting buildings.

Transverse or contraction joints for sidewalk of standard 5-footwidth shall be constructed at five-foot intervals at right anglesto the edge of the walk, unless otherwise directed. Contractionjoints shall consist of a slot or groove at least 1-1/2 inches indepth and 1/4 inch in width, with the edges rounded to a radiusof 1/2 inch by using a jointer. Wide or unusual walk shall bemarked as directed by the Engineer.

Expansion and contraction joints shall not be sealed.

All sections of newly constructed concrete sidewalk placed by theContractor and to be measured for payment shall bear theContractor's stamp. This stamp shall have the Contractor's nameand the year constructed imprinted on it. All continuous, newlyconstructed sections of concrete sidewalk shall bear this stampon each end of the section in order to accurately measure theamount of sidewalk placed. Sections of sidewalk 10 feet inlength (2 panels) or less will require only one stamp.

Concrete sidewalk will be measured and paid for at the contractunit price per square foot and shall be full compensation forfurnishing all materials including concrete masonry and expansionjoint material; for all excavation and preparation of foundation,back filling and disposal of surplus material; for placing,finishing, protecting and curing; and for all labor, tools,equipment and incidentals necessary to complete the work.

r

2435_____CURB RAMPB FOR T^ HAHPICAPPBD

All curbs and sidewalks constructed at locations considered to belegal crosswalks shall be ramped at one of the followinglocations:

1. At the center of the street corner radius.

2. Centered on line with the sidewalk and pedestrian traffic.

3. If No. 1 or No. 2 are not feasible, at such otherlocation as near to the crosswalk as circumstances permit.

When new curbing and ramps are constructed on only oneside of the street, means for access to the oppositecrossing shall be constructed.

Ramps shall be constructed as shown in the standarddetails.

Textured surfacing shall be constructed as shown in thestandard details.

2400 - 13 of 15

Curb ramp construction shall be incidental to sidewalkand curb and gutter construction and no additionalcompensation will be made.

2460______SPLIT COMCMTB BLOCK RETAINING WALL

Split concrete block retaining wall shall be constructed at thelocation and in accordance with the details shown on the plans.The wall shall be constructed with courses of split concreteblock laid up without mortar on a poured concrete footing.

Configuration and line and grade shall be as shown on the plan.The blocks shall be placed such that the grade follows thesidewalk grade and shall be stepped as determined by theEngineer.

Commercially manufactured split concrete blocks shall be used andthe exposed surface of the blocks shall be a fractured surface.

The top three courses shall be secured together with mortar.

Split concrete block retaining wall shall be measured by thesquare yard of wall face along the slope complete in placeincluding the footing and accepted in accordance with thecontract.

This item, measured as provided above, shall be paid for at thecontract unit price per square yard for split concrete blockretaining wall, which price shall be full compensation for allexcavation and preparation of foundation; for furnishing,hauling, and placing of the concrete block and concrete foot; forbackfilling; compaction; and for all labor, tools, equipment, andincidentals necessary to complete the item of work in accordancewith the requirements of the contract.

2465______COMCMT1 PAVIMQ 8TOKB

The Contractor shall furnish and install Concrete Paving Stonewhere shown on the plans or directed by the Engineer. Pavingstones shall be equal to Terra-Lok interlocking paving stones,Holland pattern, red in color (actual color to be selected priorto ordering materials), as manufactured by Wausau Tile Company,wausau, Wisconsin.

Paving stones shall be laid over four (4) inches of sharp, clean,masonry sand has* and filter fabric. Filter fabric shall beequal to Marafi 700X. Stones shall slope evenly and be flushwith the surrounding masonry. They shall be vibrated andleveled. Joints shall be filled with masonry sand and sprinkledwith water. Felt joints (1/2 inch thick) shall be installed asshown in the details. Paving stones shall be given two coats ofclear concrete sealer.

The Contractor shall examine paving stones one year afterplacement, and shall relevel and tamp as required to provide asmooth and regular surface.

2400 - 14 of 15

Paving stones shall be laid in a herring bone design. They shallbe cut where required to fit flush to concrete borders(sidewalks, curbs, planters, light bases, etc.).

Concrete Paving stones will be measured and paid for on thesquare foot basis as shown on the Contractor's Bid Form. Thisprice shall be full compensation for all tools, equipment, labor,and materials to furnish and install Concrete Paving Stoneincluding sand base, filter fabric, sealer, and felt joint asdescribed in the specifications and details.

2470 ADJUST

If an existing casting (one not installed or reset under thiscontract) requires adjustment to meet established grade, thecontractor shall adjust the casting to the proper grade whendirected by the Engineer. This ~ oes not apply to castings set orreset under this contract unless the owner changed line or gradebetween the time the casting was set and the finished surfacingis placed causing an adjustment to be necessary.

All castings and adjustment rings shall be set in a full bed ofmortar. This work shall be paid for at the contract unit priceper each casting adjusted. Payment shall be full compensationfor furnishing all required materials; for removing, reinstallingand adjusting the castings; and for all labor, tools, equipmentand incidentals necessary for adjusting each casting.

All water valve boxes will be inspected by the City prior toconstruction to determine condition. During this inspection, ifany valve box assemblies or sections are found to be in need ofreplacement, the City will furnish new materials, and theContractor shall remove the old valve box and replace with thenew valve box or section. This work will be paid for at thecontract unit price as shown on the Bid Form and shall beconsidered payment in full for all excavation, labor, compaction,backfilling, tools, equipment, and incidentals necessary tocomplete the work.

Any valve box or section damaged during construction, shall bereplaced by the Contractor, using materials approved by the City.There shall be no cost to the City for this work. All valveboxes shall be set to grade by the Contractor. The city will notassist in valve box adjustments. Valve boxes shall include watermain valve boxes, water service curb valve boxes, gas valveboxes, or any other valve box encountered during construction.Payment for adjust valve box shall be as shown on the Bid Formand shall be considered payment in full for all labor, equipment,tools, and incidentals necessary to complete the work.

2400 - IS of 15

2500______PAVINQ AMP

_ BIMQU AQQMQATB BITOMINQCfl Pi

Sections 401, 402, 405 and 406 of WSSRBC shall apply unlessotherwise stated. Thickness of the bituminous material shall beas shown on the "Estimated Quantities" page in theSpecifications. Delete "Basis of Payment" Section 406.7 (seeparagraph below). Aggregate shall conform to Section 401.2.5gradation No. 3 and the portion by weight passing a No. 200 sieveshall not exceed 8%.

The bituminous material for paving purposes shall be asphaltcement type AC in the penetration range 85-100. The bitumencontent of the mix shall be no less than 5.8%. The Contractorshall provide a certified analysis from a standard testinglaboratory on the bituminous material to be used. The Contractorshall state in his proposal which company's asphalt he proposesto use.

Compaction of the bituminous mixture shall be a minimum of 95% ofthe maximum compacted laboratory density.

Tolerances used in the gradation of aggregates for singleaggregate bituminous shall be as shown in Section 407.3.5.

The single aggregate bituminous mix design shall conform to thelatest design on file with the Wisconsin Department ofTransportation District 6 office for the City of Eau Claire.

The item of bituminous concrete pavement will be paid for at thecontract unit price per ton and shall be full compensation forfurnishing, preparing, hauling, mixing and placing of allmaterials; for compacting mixtures; and for all labor, tools,equipment and incidentals, including maintenance, necessary tocomplete the work.

2560 ______ TACK COAT

Section 402 of WSSRBC shall apply unless otherwise stated. GradeSS-1 asphalt emulsion shall be used for tack purposes and will beapplied to existing bituminous or concrete surfaces and to thesurface of each course of bituminous constructed other than thefinal course. Bituminous paving shall not be placed until thetack coat has cured to the point where it is tacky to the touch.Emulsified asphalt shall be diluted; one part emulsified asphalt,one part water and shall be applied at a uniform rate of 0.10gallons of diluted emulsified asphalt per square yard. When tackcoat is applied to the edges of existing bituminous or concrete,a brush or other suitable instrument shall be used forapplication.

Measurement of the amount of asphalt emulsion used will be byvolume recorded in gallons after dilution. Volume correctionwill be in accordance with Section 401.3.3.1 of WSSRBC. Paymentwill be at the contract unit price per gallon and shall be fullcompensation for furnishing, unloading and hauling; for dilution

2500 - 1 of 6

with water; for applying the bituminous material; for maintenanceand protection of the work; and for all labor, tools, equipmentand incidentals necessary to complete the work.

2570______ADJUaTIMO MAKHOLB CASTINGS. WATER VALVE BOXES. ETC.

All manhole castings in the street shall be adjusted to theproper grade by the Contractor. All castings and adjustmentrings shall be set in a full bed of mortar. On streets receivingpavement under this contract, this work shall be paid for at thecontract unit price per each for adjust manhole casting and shallbe full compensation for furnishing all required materials; forremoving, reinstalling and adjusting the castings; and for alllabor, tools, equipment and incidentals necessary for adjustingeach casting. On streets receiving only crushed aggregate basecourse under this contract, the cost of adjusting manholecastings shall be considered incidental to other construction.

If a manhole needs to be adjusted lower to the point where itcannot meet final grade by the removal of adjustment rings or bythe use of a shorter casting, the Contractor shall removesufficient manhole section, by a method approved by the Engineer,and replace the casting to grade with at least two (2) adjustingrings. This adjustment shall be measured on the per each basisand shall be paid for as "ADJUSTING MANHOLE COVERS (MAJOR)" asshown in the Bid Form.

Prior to the beginning of any excavation or grading on a street,the Contractor shall remove all manhole castings from themanholes and cover the manhole opening with a steel platesuitable to support traffic. The City will inspect the removedcastings, and if they are unsuitable to be reused, the City willfurnish new casting assemblies and remove the old castings fromthe site. On streets where new manholes are constructed, theContractor shall place a steel plate on the manhole masonry andstock pile the castings on the job site.

On streets not receiving pavement under this contract, themanhole casting shall be set to finish grade by the Contractorafter the crushed aggregate is compacted to finished grade. Itshall then be set to the grade of the aggregate and the aggregaterecompacted around the casting. This work shall be considered asincidental to other construction.

On streets being paved under this contract, the Contractor shallset manhole castings to finished grade just prior to the placingof the surface course of bituminous paving. If the bituminouspaving is placed in more than one lift, the first lift shall beplaced before the manhole castings are placed on the manholes.Holes cut in the bituminous base to adjust manhole castings shallbe cut square with a jack hammer and shall be no larger thannecessary to compact around the casting. The manhole castingshall be set 1/4" to 1/2" below the finished bituminous surface.After the casting is set to grade, bituminous material conformingto the specifications shall be placed and compacted aroundbituminous surface. This work shall be included in the bid itemfor "Adjust Manhole Casting".

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All water valve boxes will be inspected by the City prior toconstruction to determine condition. During this inspection, ifany valve box assemblies or sections are found to be in need ofreplacement, the City will furnish new materials, and theContractor shall remove the old valve box and replace with thenew valve box or section. This work will be paid for at thecontract unit price as shown on the Bid Form and shall beconsidered payment in full for all excavation, labor, compaction,backfilling, tools, equipment, and incidentals necessary tocomplete the work.

Any valve box or section damaged during construction, shall berepaired or replaced immediately by the Contractor, using methodsand/or materials approved by the City. Damaged valve boxes shallbe repaired or replaced before the paving operation proceeds tothat point. There shall be no cost to the City for this work.All valve boxes shall be set to grade by the Contractor. TheCity will not assist in valve box adjustments. Valve boxes shallinclude water main valve boxes, water service curb valve boxes,gas valve boxes, or any other valve box encountered duringconstruction. Payment for adjust valve box shall be as shown onthe Bid Form and shall be considered payment in full for alllabor, equipment, tools, and incidentals necessary to completethe work.

2575 ______ REPLACEMENT OF PAVEMENTS

The following specification* shall apply when pavementreplacements are specified in the Contract Documents. The costof all pavement replacements, in accordance with the types notedon the plans, shall be included in the unit price bid for seweror water installation, unless a specific bid item is listed. Ifthese pavement replacements are ordered as an extra, payment willbe made in accordance with the negociated prices.

The Owner reserves th« right, at his discretion to assume theresponsibility of the pavement replacement requirements in anyportion of the Contract. When this responsibility is assumed,and the Owner will take a credit in accordance with the priceslisted in the Schedule of Fixed Prices. This credit shall bededucted from the monies due the Contractor.

(a) The backfill material in the sewer or water trenchshall be consolidated in accordance with section 2228 of theSpecifications .

(b) The Contractor shall remove the materials placed tothe depth required for the pavement specified. Theadjoining pavement shall be trimmed clean of any shatteredor split material. The subgrade shall then be thoroughlycompacted with suitable equipment. The pavement shall thenbe placed in accordance with the local Street ConstructionSpecifications and the following detailed requirements:

1. Type "x** paveaent Replacement, when Type "A" pavementreplacement is called for on the plans, it shall consistof a 1 course Portland Cement concrete base pavement of

2500 - 3 of 6

air-entrained Class "A" concrete of a thickness equal tothe original pavement base but a minimum thickness, in anycase, of seven (7) inches and a three (3) inch thick 2-course bituminous concrete surface. This surface shallconsist of a 1 1/2 inch binder course and 1 1/2 inchsurface course conforming to the following standards:

a. Aggregate. The aggregate used shall be crushedlimestone, unless the use of crushed gravel ispermitted in the Contract Documents.

b. Aggregate Gradation. The aggregate shall conformto the WSSRBC Surface Gradation No. 2 for the bindercourse and No. 4 for the surface course.

e. Bituminous Material. The bituminous material tobe used shall be asphalt, Type AC in the penetrationgrade 85-100.

d. Nixing. The material shall be plant mixed andfurnished hot to the job site.

e. Compaction. All bituminous concrete shall becompacted in accordance with WSSRBC.

2. Type "B11 Pavement Replacement. When Type "B" pavementreplacement is called for on the plans, it shall be a 1-course Portland Cement concrete pavement of air-entrainedClass "A" concrete of a thickness equal to the originalpavement with a minimum thickness, in any case, of seven(7) inches.

3. Type "C" Pavement Replacement, when Type "C" pavementreplacement is called for on the plans, it shall consistof a 4 1/2 inch thick bituminous concrete pavement placedon a six (6) inch crushed stone base.

a. Bituminous Concrete Pavement. The bituminousconcrete pavement shall conform to the requirements ofSection 2510, and be made up of a three (3) inch thickbinder course and 1 1/2 inch thick surface course.

b. Crushed Stone Base. The crushed aggregate baseshall b« six (6) inches of graded crushed aggregate inconformance to the requirements of Section 2230,compacted in accordance with WSSRBC for crushedaggregate has* course.

4. Type ">D" Pavement Replacement. When Type "D"pavement replacement is called for on the plans, it shallconsist of a two (2) inch thick bituminous concretepavement placed on the crushed aggregate base described inSection 2230.

a. Bituminous Concrete Pavement. The bituminousconcrete pavement shall be 1-course conforming to therequirements of Section 2510.

2300 - 4 of 6

5. Type "B" Pavement Replacement. When Type "E" pavementreplacement is called for on the plans, the top nine (9)inches of the trench shall be replaced as follows: thefirst six (6) inches shall be filled with l 1/2 inchgraded crushed stone and the remaining three (3) inchesshall be filled with crushed aggregate base coarse.

*. Sidewalk Replacement. Sidewalk replacement shallconsist of a i-course Portland Cement concrete pavement ofair-entrained Class "A" concrete. It shall be four (4)inches thick. Across residential and commercial drivewaysit shall be six (6) inches thick. Across alleys andindustrial driveways it shall be seven (7) inches thick.Sidewalks shall conform to Section 2450 of theSpecifications.

7. Driveway or Alley Approach Replacement. Driveway oralley aproaches shall be a 1-course Portland Cementconcrete pavement of air-entrained Class "A" concrete andconform to Section 2440 of the Specifications.Residential and commercial driveways shall be six (6)inches thick. Alleys and industrial driveways shall beseven (7) inches thick.

8. Curb and Gutter Replacement. Curb and gutterreplacement shall be as required by Section 2430 of theSpecifications; unless otherwise specified in the ContractDocuments, the cross-section of the curb and gutter shallconform to the adjacent curb and gutter. Whereverunderground construction requires the removal of theradius curb and gutter in an intersection, the Contractorshall replace that section of curb and adjacent sidewalkto include a handicap ramp. Payment shall be made inaccordance with the unit bid price or agreed negotiatedprice.

9. Temporary Bituminous Resurfacing. There may be timeswhen, due to cold weather, etc., that permanent pavementreplacement cannot be placed. The Engineer reserves theright, when these conditions exist, to require theContractor to place either as a bid item, or an extra, atemporary three (3) inch thick bituminous concretesurface, which shall conform to Section 2510. When thistemporary surfacing is required as an extra, by writtenorder of the Engineer, payment shall be made in accordancewith the prices negotiated under the General Conditions.

The subgrade shall be prepared as specified and shall befree from standing water. The mixture shall be compactedimmediately after spreading, using suitable equipment.

2580______OPTIONAL RBPLACBMBMT

Because of variable conditions, such as weather and theContractor's progress, bids may be taken on one or more types ofpavement replacement. The Contractor may be directed by theOwner to place one or more of these pavement types, in whole or

2500 - 5 Of 6

in part. All prices bid for pavement replacement will beincluded in determining the low bid for the Contract.

The provisions of this Section do not affect the placing oftemporary surfacing called for in Section 2227 of theseSpecifications.

2588______BITUMIMQOfl DRIVEWAY RESTORATION

The Contractor shall be responsible for restoring any bituminousdriveways damaged due to construction to their originalcondition. The existing bituminous surface shall be cut the fulldepth of the existing bituminous and shall be straight and atnear right angles to the work. Limits of cutting shall bedesignated by the Engineer. The existing bituminous and anyexcess material shall be removed and disposed of by theContractor. A typical section of a restored driveway shallconsist of 2" bituminous concrete pavement upon a 4" crushedaggregate base. These measurements shall be considered ascompacted thickness. Material used as bituminous concretepavement and crushed aggregate base shall conform respectivelyto the Bituminous and Grade and Gravel Specifications.

Bituminous driveway restoration will be paid for at the contractprice per square foot and shall be full compensation for cuttingthe existing bituminous driveway; removing the existingbituminous and any excess fill; furnishing, placing, andcompacting 4" of crushed aggregate base course; furnishing,placing, and compacting 2" bituminous concrete pavement; and forall labor, tools, equipment, and incidentals necessary to do thework.

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2600;_____WATER MAIN CONSTRUCTION

2601______MATERIAL rURMISHBD

The Contractor shall furnish all materials, unless specificallynoted on the plans or Contract Documents. All materialsfurnished by the Contractor shall conform to the requirements ofthe specifications.

2602______WIDTH OF TRENCH FOR WATER MAIN

The maximum width of the trench excavation at the top of the pipeshall be the outside diameter of the pipe used plus 24 inches.This width may be increased to allow for stringers and sheathingwhen required.

The maximum width of trench at the surface of the ground shallnot exceed the width of the trench at the top of the pipe by morethan 2 feet without permission of the Engineer, or if it isspecifically allowed on the construction plans.

All pipe to be laid in open-cut trench shall have 6 inch minimumclearance between the outside face of the pipe barrel and theface of the sheathing or sidewall of the trench.

2603______BlISTINO WATER MAIMB

Before excavation of trenches is begun, the Contractor shalluncover the end of existing water main to which the new main isto be connected. This will permit adjustments in line and gradeto avoid the use of extra fittings. The exposed end of anexisting main must be protected and blocked by the Contractor toprevent the blowing out of the plug or cap at the end of themain.

2604______LINE AND QRADB FOR OPEN-CUT CONSTRUCTION

The Contractor shall, at his own expense, furnish and set theline and grade boards. A substantial stake shall be driven oneach side of the trench on a line at right angles to each stakeof the primary line. A substantially straight 2x6 inch boardshall be nailed or clamped to the stakes in a level position andat some even foot height above the grade line of the proposedwater main. The elevation of each pip* shall be obtained bysighting across at least three batter boards to a mark on anapproved type of grade pole. If, in the opinion of the Engineer,the accurate elevation of the pipe cannot be determined bysighting over the grade boards, he may order the Contractor tofasten a stout twill line to the boards at the center alignmentmarks and obtain the elevation of measuring down from the line bymeans of an approved type grade pole. The alignment of each pipeshall be obtained by plumbing down from the center marks or line,by means of a plumb bob. Methods other than that described abovemay be used only if approved by the Engineer.

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2605______UNSTABLE FOUNDATION

I:" the bottom of the trench is of undesirable material, such asorganic soil, etc. or the presence of ground water which causes acondition which cannot adequately support the water main, anadditional 3 inches shall be excavated and filled with 1-1/2"graded crushed stone as specified in Section 2229 (e) andincluded as part of the standard sections. In the event that itbecomes necessary to extend the stone fill to a greater depth,such additional amount of stone will be paid for in accordancewith the negotiated price as an extra. Where the distance tostable ground is excessive, the Engineer reserve the right toorder, in writing, as an extra, such other types of foundation ashe shall deem necessary.

2606______BBDDIN<3

The bedding and cover for all water pipe shall be sand, crushedstone chips or crushed stone screenings conforming to Section2229 (a). In all cases both the bedding and cover material shallbe of the same material.

The bedding material shall be placed so that after the pipe hasbeen bedded to line and grade, there remains a 4 inch minimumdepth under the pipe barrel in earth excavation and 6 inches forrock excavation. After the pipe has been properly laid andjointed, cover material of the same material as the bedding shallbe placed around the sides of the pipe and up to a level 6 inchesabove the pipe barrel. This material shall be placed by hand orequally careful means to eliminate all frozen lumps and allforeign material such as earth, clay lumps, etc.

2607______WOOD BLOCKING

Water mains shall be installed without the use of wood blocking,except valves, hydrants, and special fittings shall be supportedon wood or concrete blocking.

2608______HANDLING OF PIPB. FITTINGS, ETC.

The Contractor shall have sufficient and adequate equipment onthe site of the work for unloading and lowering pipe and fittingsinto the trench. Extreme care shall be exercised by theContractor in handling all pipe, fittings and special castings soas to prevent breakage and coating damage. Any significantdamage to coating shall be repaired before installation. Underno circumstances shall pipe or fittings be dropped into thetrench or so handled as to receive hard blows or jolts. All mudor concentration of dirt shall be removed prior to installation.

2609_____flBLP IMSPBCTIOM Of MATERIALS

Materials used in the construction of water mains must pass fieldinspection before installation.

2«00 - 2 of 29

2610______DIRECTION Of LAYIMQ

Unless otherwise ordered, pipe shall be laid with the bell endsfacing the direction of laying. When the grade exceeds two feetof rise per one hundred feet of trench, the bells shall faceupgrade.

2611______JOINING PI PI

Every precaution shall be taken to prevent foreign material fromentering the pipe while it is being placed in the line. If thepipe-laying crew cannot put the pipe into the trench and in placewithout getting earth into it, the Engineer may require thatbefore lowering the pipe into the trench, a heavy, tightly wovencanvas bag of suitable size shall be placed over each end andleft there until the connection is to be made to the adjacentpipe. During the laying operations, no debris, tools, clothingor other materials shall be placed in the pipe.

After placing a length of pipe in the trench, the spigot endshall be centered in the bell and the pipe forced home andbrought to correct line and grade. Precautions shall be taken toprevent foreign materials from entering the joint space and thejoint recess shall be carefully checked for foreign materialbefore the gasket is installed.

The pipe shall be secured in place with bedding material, placedby hand or equally careful means, keeping the bell end open.Pipe and fittings which do not allow a sufficient and uniformspace for joints shall be removed and replaced with pipe andfittings of proper dimensions to insure such uniform space.

2612______PROTECTION Of OPBM PIPB

At all times when pipe laying is not in progress, the open endsof pipe shall be closed by a watertight plug or other meansapproved by the Engineer. This provision shall apply during thenoon hour as well as overnight. If water is in the trench, theseal shall remain in place until the trench is pumped completelydry. No pipe shall be laid in water or when in the opinion ofthe Engineer, trench conditions are unsuitable.

2613_____QBflTROCTIOM IM LIM OK QRADB

Whenever it becomes necessary to lay a main over, under, oraround a known obstruction, the Contractor will furnish andinstall the required fittings. The laying of such fittings willbe paid for at the unit price bid for fittings. No additionalcompensation will be paid to the Contractor for any expensesincurred because of such obstruction. When an unknownunderground structure interferes with the work to such an extentthat an alteration of the plan is required, which alterationresults in a change in the cost to the Contractor, the Engineerwill issue a written order for such altered work, specifying thebasis of payment or credit for such altered work.

2600 - 3 of 29

2614______CLBAKIMq Of PIPB

The interior and exterior of all pipe shall be clean and freefrom all foreign material before being installed. The Contractorshall provide the necessary means to wipe, brush, swab or airblast or remove any foreign material from the interior of thepipe as directed by the Engineer.

2615______METHOD Of CHLORINATIOM

During construction, 5-g calcium hypochlorite tablets shall beplaced in each section of pipe and also one such tablet shall beplaced in each hydrant, hydrant branch, and other appurtenance.The following table shows the number of tablets required forcommonly used sizes of pipe. They shall be attached by anadhesive such as Permatex No. 1 or equal. There shall be noadhesive on the tablet except on the broad side attached to thesurface of the pipe. Attach all the tablets inside and at thetop of the surface of the main, with approximately equal numbersof tablets at each end of a given pipe length. If the tabletsare attached before the pipe section is placed in the trench,their position shall be marked on the section so it can bereadily determined that the pipe is installed with the tablets atthe top.

NUMBER OF 5-g HYPOCHLORIT1 TABLETSREQUIRED TOR DOS! OF 25

112347

*Based on 3.25 g available chlorine per tablet, any portionof tablet rounded to next higher number.

When installation has been completed, the main shall be filledwith water at a rate such that water within the main will flow ata velocity no greater than 1 fps. Precautions shall be taken toassure that air pockets are eliminated. This water shall remainin the pipe for at least 24 hours. If the water temperature isless than 5 degrees C (41 degrees F) , the water shall remain inthe pipe for at least 48 hours. Valves shall be positioned sothat the strong chlorine solution in the main being treated willnot flow into water mains in active service.

When approved by the Engineer, the Contractor may usehypochlorite powder as a substitute for the tablets, applied inan appropriate amount.

2600 - 4 of 29

Pipe Diameter Length of Pipe Section (Ft.)(Inches)

468

101216

13 or Less111234

18112346

20

2616______MECHANICAL RESTRAINTS AND BLOCKIKQ

Mechanical joint retainer glands shall be on all fittings forfire hydrant leads, water services, vertical and horizontalbends, and final joints at water main dead ends for water main14-inch or less. Blocking with concrete or wood shall not beused unless approved by the Project Engineer. Mechanical jointretainer glands shall be Clow's F-1058 Ductile Iron RetainerGland or equivalent. (See Water Main Restraint and BlockingDetail in Contract Drawings.)

Restraints for 16-inch and larger water main and fittings shallbe restrained joint pip* which shall consist of themanufacturer's standard joint system consisting of a push onjoint restrained by a lock ring or bolted lock ring and a weldedgland such as American Lok-Fast Joint Pipe, U.S. Lok Tight Joint,American Lock-Ring Joint, U.S. TR-Flex Joint, or approved equal.See Restrained Pipe Length Chart for the length of restrainedjoint pipe to be installed at each fitting. The contractor shallfurnish the owner with a shop drawing showing all restrainedfittings and the required lengths of restrained joint pipe.

RESTRAINED/TIED PIPE LENGTH CHART

P I P E S I Z E

F I T T I N G TTPE 6-INCH 8-INCH 10-INCH 12-INCH 16-INCH 20-INCH 24-INCH

11.25 DEGREE IENO 10 10 10 10 20 20 2022.50 DEGREE IENO 10 10 10 10 20 20 4030 DEGREE IENO 10 10 10 10 20 20 4045 DEGREE IENO 10 10 10 20 40 40 4060 DEGREE IENO 10 20 20 30 40 60 6090 DEGREE IENO - 20 20 30 40 60 80 80TEE (SIDE TIED) 20 20 30 40 60 80 80STUIS OR OEAO EMDS 20 20 30 40 60 80 80CROSS WITH PLUGGED ENO 20 20 30 40 60 80 80VALVES AT ENO Of LINE 20 20 30 40 60 80 80

The above lengths (given in feet) represent the minimum length ofpipe to be tied together in each required direction from thefitting described.

2617______PTCTIL1 IRQff WATER MAIM

Unless otherwise specified, Class 52 ductile iron waterpipe shallbe used with cast or ductile iron fittings and shall meet therequirements of Section 2617. Where shown on the plans ordirected by the Engineer, it shall be cased in polyethylene wrap.

REQUIREMENTS. Unless otherwise specified, all pipe furnishedunder these specifications shall conform to A.W.W.A C-151 orA.N.S.I. A21.51 for Ductile Iron Pipe and with the optionsspecified in the Contract Documents.

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DESCRIPTION. Ductile iron pipe shall consist of pipecentrifugally cast in metal or sand-lined molds having bell andspigot ends designed for a rubber gasket push-on joint.Pipe wall shall be homogeneous from inside to outside and shallbe completely free of laminations, blisters, or otherimperfections. Defects may be removed at the factory only.

Pipe size, thickness or class and laying length shall be asspecified in the Contract Documents.

COATING. Pipe shall have a cement mortar lining and internal andexternal bituminous coats in accordance with Section 51.8 ofA.W.W.A. C-151. The thiclcness of the standard cement liningshall be 1/16 inch for sizes 3 through 12 inches in diameter,inclusive, and 3/32 inch for sizes 14 through 24 inches.

The bituminous coating shall be applied over the cement lining onthe inside of the pipe and a bituminous seal coat shall beapplied on the exterior of all pipe and fittings. The coatingshall be smooth, tough and tenacious and impervious to waterwithout any tendency to scale off, and shall not be brittle.

MARKINGS. Each pipe shall have the weight, class, or nominalthiclcness and casting period conspicuously painted on it. Themanufacturer's mark, the year in which the pipe was produced, andthe letters "D.I." or the word "Ductile" shall be cast or stampedon the pipe. All cast marks and required markings shall be on ornear the bell.

Improper or incomplete marking will be cause for rejection of thepipe.

CERTIFICATION BY MANUFACTURER. Manufacturer shall furnishcertification data representing each pipe length furnished. Thecertification report shall clearly identify the pipe furnished,and shall be furnished in triplicate to the Engineer.Certification shall be provided for each casting period in whicha supplied pipe was cast and shall cover physical properties,identification and description of interior and exterior coatingsand results of the hydrostatic test. All certifications shall befurnished before any pipe will be accepted for installation.

GASKETS. Unless otherwise specified, all rubber gaskets shallconform to A.W.W.A. C-lll OR A.M.S.I. 21.11 for Rubber GasketJoints for Cast Iron and Ductile Iron Pressure Pipe and Fittings.

Gaskets shall be furnished in sufficient number for all joints.Sufficient joint lubricant shall be furnished by the manufacturerwith the gaskets.

2619______riTTINQa FOR WATER MAIM

All water pipe fittings shall be cast iron or ductile ironconforming to the requirements of AWWA C110 and AWWA Clll withconductive devices as specified for ductile iron pipe. All water

2«00 - • of 29

main fittings shall have a cement mortar lining in accordancewith the requirements of AWWA C104. Fittings shall be furnishedwith a working pressure of 150 PSI.

The Contractor shall furnish and install pipe and fittings asrequired to complete the job even if the fittings are notspecifically listed on the plans. Fittings shall be installedwhere shown on the plans. If fittings are not labeled on theplans, the Contractor may install fittings or deflect the pipejoints according to manufacturers recommendations and with theapproval of the Engineer. All fittings shall have restrainedjoints where required to balance the water pressure forces. TheContractor shall install the required length of restrained jointpipe on each side of the fitting as found in the Restrained PipeLength Chart.

Special fittings shall be furnished and installed as shown on thedrawings and as specified. All fittings are subject to approvalby the Engineer.

The word "Cast Iron" or "Ductile Iron" and the weight and classof each fitting shall be plainly marked on each fitting.

The cost of fittings will be paid on the per pound basis.Fitting pay weight shall be based upon the lightest cast ironbody weight (excluding weight of retainers, gaskets, straps,etc.) as found in AWWA C110-77 "GRAY-IRON AND DUCTILE IRONFITTINGS, 3 IN. THROUGH 48 IN., FOR WATER AND OTHER LIQUIDS".

CERTIFICATION BY MAMUTACTUR1R. Manufacturers shall furnishcertification data representing fittings furnished.Certification shall be furnished in triplicate to the Engineer.Certification shall be provided for each casting period in whicha fitting was cast and shall cover the acceptance tests ofSection 10.10 of A.W.W.A. C-110 and the identification anddescription of interior and exterior coatings. All certificationshall be furnished before any fittings will be accepted forinstallation.

NUTS AMD BOLTS. All nuts and bolts used for joint assembly shallbe made of high-strength low-alloy steel conforming to therequirements of A.W.W.A. C-lll.

2621____jonrraPipe and fittings shall be jointed by means of a compression typepush-on rubber gasket unless another type joint is specified onthe plans or in the Contract Documents.

(a) Rubber Gasket Joints

1. The water main shall be joined by means a compressiontype push on rubber gasket.

2. The bell and spigot of each pipe shall be wiped cleanand dry. The gasket shall be inserted, large round endfirst, into the gasket seat inside of the bell.

2«00 - 7 of 29

3. A thin film of non-toxic lubricant shall be applied tothe inside surface of that portion of the gasket whichc nes in contact with the entering pipe. The only type ofl-oricant to be used shall be that recommended by the pipemanufacturer.

4. Extreme care shall be exercised when lowering the pipeinto place to avoid foreign material from adhering to thespigot, bell, or gasket. The entering pipe shall beplaced in approximate alignment with the receiving belland inserted until it just makes contact with the gasket.Sufficient pressure shall be applied on the entering pipeuntil the spigot end sockets in the bell. This can beaccomplished by one of the following methods:

a. A leverage bar or other approved method shall beused on pipe 12 inches in diameter or smaller.

b. A jack and two choker-slings, or other approvedmethod, shall be used on pipe larger than 12 inches indiameter.

5. Whenever it is necessary to deflect pipe from astraight line, either in the vertical or horizontal plane,the amount of deflection shall not exceed that shown inthe following table.

PERMISSIBLE JOINT DEFLECTION - RUBBER OASKBT JOINT

Maximum Permissible Deflection in Laying Push-on Joint Pipe*

SizeofPipein.

34681012141618202430364248

Max. Permissible Deflec-tion per

16-ft.Length

17171717171710101010106666

Length- in.

18-ft. 20-ftLength Length

19 2119 2119 2119 2119 2119 2111 1211 1211 1211 1211 127-1/2 87-1/2 87-1/2 87-1/2 8

Approx . Radius of CurveProduced by Successionof Joints-ft.

16-ft.Length

185185185185185185300300300300300450450450450

18-ft. 20-ft.Length Length

205 230205 230205 230205 230205 230205 230340 380340 380340 380340 380340 380510 570510 570510 570510 570

*Pip« conforming to ANSI A 21.50-1971, and AWWA C 150-71,and ANSI A 21.51 and AWWA C 151-1971; pipe to be cast in 16,18, or 20 ft. lengths in metal or sand lined molds.

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(b) Mechanical Joint*

1. Where specified the water main shall be joined bymeans of a mechanical joint assembly.

2. The last 8 inches of the outside of the spigot andinside of the bell shall be thoroughly cleaned of allforeign matter and painted with a soap solution. The castiron gland shall then be slipped on the spigot end withthe lip extension toward the socket or bell end. Therubber gasket shall be painted with the soap solution andplaced on the spigot end with the thick edge toward theglands.

3. Nuts and bolts used in the joint assembly shall becorrosion resistant steel as specific in Section 2619.

4. The entire section of the pipe shall be pushed forwardto send the spigot end in the bell. Care shall be takento locate the gasket evenly around the entire joint. Allnuts shall be tightened with a suitable torque-limitingwrench. The torque for various sizes of bolts shall be asshown in the following table.

BOLT TiaHTBMINQ TORQOB

Sis* (in.) Range of Torque (ft.-lb.)3/8 40 - «o3/4 <o - to1 70 - 1001-1/4 »0 - 120

Nuts shall be tightened alternately in order to produce anequal pressure on all parts of the gland. After a jointis assembled and securely tightened the nuts and bolts,shall be completely coated with an approved bituminousprotective coating, Koppers 50, 505, or equal.

5. Whenever it is necessary to deflect pipe from astraight line, either in the vertical or horizontal plane,the amount of deflection shall not exceed that shown inthe following table.

2COO - f of 29

PERMISSIBLE JOINT DBFLBCTION - MECHANICAL JOINT

Maximum Permissible Deflection in Laying Mechanical Joint Pipe*

SizeofPipein.

34681012141618202430364248

Max. Permissible Deflec-tion per

16-ft.Length

2828241818181212101088766

Length- in.

18-ft.Length

31312720202013-1/213-1/211119987-1/27-1/2

20-ftLength

22151512121010988

Approx . Radius of CurveProduced by Successionof

16-ft.Length

110110130170170170250250300300400400440450450

Joints-ft.18-ft.Length

125125145195195195285285340340450450500510510

20-ft.Length

220320320380380500500550570570

*Pipe conforming to ANSI A 21.50-1971, and AWWA C 150-71, andANSI A 21.51 and AWWA C 151-1971; pipe to be cast in 16, 18,or 20 ft. lengths in metal or sand lined molds.

2622 CUTTING OF DUCTILE OR CAST IRON PIP8

Pipe shall be cut at right angles to the center line of the pipe.Cutting shall be done in a neat workmanlike manner without damageto the pipe and so as to leave a smooth end. All pipes shall becut with an approved mechanical cutter. The cut end of a pipe tobe used with rubber gasket joints shall be tapered by grinding orfilling about 1/8 inch back at an angle of approximately 30degrees with the center line of the pipe, and any sharp or roughedges shall be removed.

2623 POL iffmntmrm IAP

Corrosion protection shall be provided for all ductile and castiron water main by use of polyethylene wrap where shown on theplans.

(a) Installation. The polyethylene wrap shall be cutapproximately 2 feet longer than that of the pipe section.After assembling the pip* joint, the polyethylene shall beoverlapped approximately 1 ft. and at all joints sealed withapproved adhesive tape. Additional taping shall be used at3 ft. intervals along the pipe. Any rips, punctures orother damage to the polyethylene shall be repaired

2COO - 10 of 29

immediately with adhesive tape. All copper serviceconnections shall be wrapped for a distance of 3 feet fromthe canter line of the main. Before installing thepolyethylene wrap the exterior of the pipe shall be free offoreign material.

(b) Wrapping of Special Fittings, Valvea, etc. whenvalvea, tees, crosses, etc., cannot be wrapped practicallyin a tube, a flat sheet or split tube shall be used. Allseams shall be taped securely.

(c) Backfill Around Polyethylene Wrapped Pipea. Thebedding and cover material as specified shall be placed withcare so as to prevent damage to the polyethylene wrap. Anyrips or punctures in the wrap shall be repaired immediately.

REQUIREMENTS. Polyethylene encasement furnished under thesespecifications shall conform to A.W.W.A. C-105 OR A.N.S.I. A21.5.Film shall be Class "C"-Blacfc, with a minimum nominal thicknessof 0.008 inches (8 mils). Tape for securing the film shall be athermoplastic material with a pressure sensitive adhesive facecapable of bonding to metal, bituminous coating, andpolyethylene. Tape shall have a minimum thickness of 8 mils, anda minimum width of one inch.

DESCRIPTION. The polyethylene film envelope shall be free aa iscommercially possible of gels, streaks, pinholes, particles offoreign matter and undispersed raw materials. There shall be noother visible defect such aa holes, tears, blisters, or thinningout at folds.

CERTIFICATION BY MANUFACTURER. When required, manufacturersshall furnish certification detailing the conformance of thematerial to the requirements of A.W.W.A. C-105 OR A.N.S.I. A21.5.Certifications shall be submitted in triplicate to the Engineer.

2624______CORROSION PROTECTION

Corrosion protection, as specified, shall be provided byfollowing closely the specifications of this document as itrelates to:

(a) Installation of polyethylene wrap, Section 2623.

(b) Cleaning of pipe, Section 2614.

(c) Uniform bedding and cover material free from clay lumpsand other foreign material, Section 2606.

(d) Overstreaaing bolts, Section 2621(b)4.

(•) Use of corrosion reaiatant alloyed nuta and bolts formechanical jointa aa described, Section 2619.

(f) Coating exposed parta of all non-cast iron ferreousmetal nuts and bolts with a bitumastic type coating, Section2621(b)4.

2(00 - 11 of 29

2630______VALVES - GENERAL

The Contractor shall install valves where indicated on the plans.Valves shall be set on hardwood or concrete blocking and leveled.

2<31______OAT» VALVB8 AMD BQIEfl

Valve boxes shall be set over all gate valves as shown in thedetails unless vaults or special chambers are specified. Thevalve shall be set on hardwood blocking 2 x 6 x 18 inches withthe long side of the block set perpendicular to the water main.Approved bedding material shall be tamped in place from a pointabove the main to a point 6 inches above the bottom of the valvebox base to prevent the valve box or base from shifting. A sheetof polyethylene shall be placed over the blocking to preventbedding material from entering around the operating nut.

REQUIREMENTS. Gate and resilient wedge valves furnished underthese specifications shall conform to AWWA C-500 for gate valvesand C-509 for resilient wedge valves and with options asspecified in the Contract Documents. Valves shall be suitablefor direct burial type installation on distribution mains. Gateand resilient wedge valves shall have the following designfeatures:

Test Plugs: The valve bonnet shall be provided with a 1/2 or3/8 inch diameter threaded, solid, malleable or cast iron testplug.

Stem Seal: The valve stem seal shall be 0-rings. The compoundshall be Buna N or NBR rubber and have a durometer hardness of70+-5 when tested in accordance with ASTM Designation D-2240.

Operating Nut: The valve shall be equipped with a standard 2-inch square operating nut with cast-on directional arrow.

Additional Options: Size, intended position of valve, valveends, torque strength, direction to open and other optionsrequired shall be a* specified in the Contract Documents.

Markings Markings shall be cast on the bonnet or body of eachvalve and shall show the manufacturer's name or mark, the yearthe valve casting was made, the size of the valve, and thedesignation of working water pressure - "200W" for 3- through 12-inch valves and "150W" for 16-inch and larger valves.

Rubber seated Butterfly Valves conforming with AWWA C-504 Class150B, shall be furnished for valves of 12 inch nominal diameterand larger.

Valve boxes shall be set over all butterfly valves as shown inthe details unless vaults or special chambers are specified. Thevalve shall be set on hardwood blocking 2 x 6 x 18 inches with

2COO - 12 of 29

the long side of the block set perpendicular to the water main.Approved bedding material shall b« tamped in place from a pointabove the main to a point 6 inches above the bottom of the valvebox base to prevent the valve box or base from shifting.

RKQUIRIMIHT8. Butterfly valves furnished under thesespecifications shall conform to AWWA C-504 with options asspecified in the Contract Documents. Butterfly valves shall havethe following design features:

(a) Class: Valves shall be Class 150B.

(b) Valve Body: Valve body shall be of gray or ductile iron

(e) Shaft Seals: Shaft seals shall be the self-adjustingsplit-V type or standard 0-ring seals.

(d) Type of Installation: Valves shall be suitable fordirect burial type installation on distribution mains.

(e) Removable Seat: All valves 30 inches and larger shallbe furnished with a seat adjustable, removable, andreplaceable from the interior of the pipeline. Theseat shall be removable and replaceable withoutremoving the body from the pipeline.

(f) Operators:

1. The operator shall be furnished with a standardAWWA 2'inch square nut for manual wrench operation asspecified in Section 19 of AWWA C-500 which shall bepositively secured to the operator input shaft.

2. A self-draining, self-aligning base 4-3/4 to 5 inchdiameter concentric with the input shaft, shall beprovided to accept a circular valve box base.

3. The valve shall seat closed at an angle of 90degrees from full open.

4. The operator shall be self-locking, and the discshall not creep or flutter under service conditions.

5. The operator shall be furnished with a permanentfactor set atop at each end of its travel.

f. Maximum input torque required to develop the ratedoutput torque shall not exceed 150 foot-pounds for anysize valve.

7. The operator shall be designed for the outputtorque shown in Table 1 of AWWA C-504.

8. The operator case shall be completely watertight,sealed by means of approved gaskets, gasket compounds,0-rings or threaded plugs.

2«00 - 13 Of 29

9. Operators shall be filled with a suitable oillubricant or thoroughly coated with an approved greaseat the factory. If. the operator lubricant is oil,,suitable fill and drain plugs shall be provided.

(g) Protective Coatings:

1. On valves 3 through 16 inches, the standard AWWAcoatings in accordance with C-504 shall be applied.

2. On valves 20 through 60 inches, the standard AWWAcoatings in accordance with C-504 are acceptable forall but the final exterior coat, which shall be appliedafter complete assembly. The final exterior coat shallbe applied to all exposed ferrous elements, except forstainless steel. Final exterior coating shall be notless than 10 mils thick and shall be Koppers 50 or 505.

(h) Additional Options: Size, type of body-flanged (shortbody or long body), wafer or mechanical joint end,maximum non-shock shut-off pressure, disc materials,direction to open, operator torque strength, and otheroptions required shall be as specified in the ContractDocuments.

MARKINGS. Markings for other than water valves shall be cast onthe body or shall be on cast plates with raised letters attachedto the valve body. Corrosion resistant plates attached to thebody and with 1/8 inch etched or engraved letters may be used formarking wafer valves. The minimum size of letters shall be 1/4inch for valves 3 through 12 inches in diameter and 1/2 inch forvalves larger than 12 inches in diameter. The markings shallshow the valve size, manufacturer, class and year of manufacture.

2635______CAST IRON VALVE BQ1B8

REQUIREMENTS. Valve boxes shall be made of cast iron conformingto ASTM Designation A-48, Class 20. The castings shall be freefrom blowholes, porosity, hard spots, shrinkage defects orcracks, or other injurious defects and shall have a normal smoothcasting finish. The castings shall be thoroughly coated with a lmil minimum thickness bituminous coating. Valve boxes shall be5-1/4 inches in diameter. Valve boxes shall have a maximumlength of 7 feet when extended without extension sections.

DESCRIPTION. Valve boxes shall consist of a base section,tubular aid and top sections, both with cast threads by which onecan be telescoped on the other, extension sections if required,and a circular drop cover.

2636 SHIFTED VALVB BOOS

Valve boxes and covers shall be centered over the valve operatingnut and the entire box assembly secured in place beforebackfilling operations. Valve boxes that become shifted orfilled during backfilling shall be entirely uncovered and reset.

2(00 - 14 of 29

2638______VAULTS

Vaults shall be built where shown on the plans, and shall beconstructed according to the requirements of Section 2740 and asfollows:

(a) Valve Vaults. All valves to be installed in vaultsshall be installed in a standard vault as shown in thedetails.

(b) Air-Release Vault. When an air-release vault isrequired on the plans, it shall be as shown in the detailsand shall include the cost of furnishing and installing theair-release assembly.

2640______CORPORATION flTOPfl

REQUIREMENTS. Corporation stops shall be manufactured inaccordance with AWWA C-800 and ASTM B-62, from 1/2 inch to 2inches, as indicated in the Contract Documents or ordered by theEngineer. Corporation stops shall be A. Y. McDonald 4701-b-22,Mueller H-15008, or equal.

2630______TIRg HYDRANTS

Hydrant units shall be installed or relocated by the Contractorwhere indicated on the plans. The hydrant shall be set onconcrete blocking.

DESCRIPTION. Fire hydrants shall be furnished and installed bythe Contractor. They shall be set to line and grade where stakedby the Engineer. One half (1/2) cubic yard of washed gravelshall be placed under the hydrant base for drainage. Hydrantsshall be thoroughly cleaned of dirt or other foreign matterbefore setting. They shall stand plumb and have their nozzlesparallel with, or •at right angles to the curb, with the pumpernozzle facing the curb. They shall be carefully braced toprevent disturbance during backfilling. (See Standard HydrantDetail).

All fire hydrants shall comply with A.W.W.A. Standard C-502-73latest revisions. Hydrants shall have the following designsfeatures.

Bury depth of eight (8) foot minimum or as shown on the plans.

One 4-1/2 inch steamer nozzle and two 2-1/2 inch hose nozzles.

Nozzle caps shall be National Standard Threads with one and onehalf (1-1/2) inch pentagon nut.

Chains shall secure nozzle caps to hydrant.

Center of nozzles shall be located seventeen (17) to twenty-four(24) inches above the nominal ground level.

Open counter-clockwise with one and one half (1-1/2) inchPentagon operating nut.

2600 - 13 of 29

Main valve opening shall be minimum of five and one quarter (5-1/4) inches.

Inlet shall be six (6) inch mechanical joint pipe connection withglands, bolts, nuts, and gaskets.

A stem travel stop shall be cast into the shoe of the hydrant ora stop nut shall be provided.

Lower valve shall be secured to the main stem with a lockingdevice such as a lock nut or lock washer.

Main valve design shall have the following features:

1. Compression type valve closing with normal waterpressure.

2. Main valve shall have a positive operating drain valveas an integral part of the main valve assembly. Drainoutlets shall be fully bronzed bushed.

3. Hydrant stems shall be round and pinned to the mainvalve assembly.

Hydrant shall be cast iron body, fully bronze mounted.

Hydrant shall be painted Mautz 89-1 red industrial enamel or equal.

Hydrant shall be "traffic" model designed to separate at groundlevel without water flowing. The design shall permit 360 degreerotation of the upper barrel without bolt restriction. Thebreak-away flange shall be located two (2) inches above thenominal ground level.Hydrants shall be furnished with a neoprene main valve.

Acceptable hydrants shall be Waterous model WB67 (Pacer), MuellerModel A-423 (Centurion), Kennedy Guardian, or equal.

2660______BORING

where ground conditions are suitable, boring may be used toinstall water main when so indicated on the plans or with writtenpermission of the Engineer. The diameter of the bored hole shallbe larger than the outside diameter of the bell of the pipe to beinstalled. Alignment of the completed bore shall be within 6inches of line and grade. Misalignment greater than 6 inchesshall be corrected at the Contractor's expense.

Unless otherwise specified, boring without a casing pipe shall belimited to a maximum 16 feet in length with no water pipe jointpermitted within the bore.

A sand cushion shall be placed in the boring before pushing thepipe. The boring shall be backfilled by pumping or blowing insand.

2fOO - 1C of 29

All pipe installed in bored or cased holes shall be provided witha minimum of two separate wraps of polyethylene. Care shall beexercised that mud or dissimilar materials that would causecorrosion of the pipe shall not come in contact with the pipe.

2662______WATBK MAIM IM CA8INQ PIPB

Where called for in the Contract Documents a casing pipe shall beinstalled in accordance with Section 2300. Final alignment ofthe casing pipe shall be within 3 inches of line and grade.

Unless otherwise required, water main installed in a casing pipeshall have the rubber gasket joint located not more than 2 feetoutside the ends of the casing pipe. When called for in theContract Documents, the Contractor shall place a 12 inch concretebulkhead at each end of the casing pipe after water maininstallation in conjunction with the backfilling.

All pipe installed in casing shall be provided with a minimum oftwo separate wraps of polyethylene.

2665_____CUTTING OF KIISTINQ MAIMS

Where shown on the plans or directed by the Engineer, theContractor shall cut fittings into existing mains.

The Water Utility will operate all distribution system valves.The Contractor shall cut the water main, remove any plugs orcaps, and pump the water out of the trench caused by cutting ofthe main or removal of the plugs or caps. All excavationsrequired shall be made by the Contractor.

This work shall be considered incidental to water mainconstruction unless a bid item of "CUTTING-IN TEE" or "CUTTING-INVALVE" appears on the bid form. Fittings and Valves will be paidfor under their respective bid prices.

2670______NOTICB TO WXTM UTILITY

The Contractor shall give a minimum of 48 hours notice to theWater Utility for a request for a water shut-off. The WaterUtility shall determine the time and duration of the shut-off.The Contractor shall continue the work to completion and restoreservice to the interrupted main. No claim for extra compensationwill be considered for overtime due to the hours of shut-off.

2671_____CQMffCTIMQ MAIMS

The Contractor shall make the connection of the water mainsunless otherwise specified.

2673______REMOVAL AMD 8AL7AQ1 OF WATER MAIM MATERIAL*

The Contractor shall remove all abandoned gate valves, tappingsleeves, valve boxes and all other water main material indicatedin the Contract Documents as the Engineer determines. Thecutting of pipe, burning and chipping out of joints shall bestarted only after permission is given by the Engineer.

2600 - 17 of 29

All water main material removed by the Contractor shall becarefully handled. Any water main material broken bycarelessness of the Contractor in removing will be replaced byhim. If the material is to be reused by the Contractor, he shallclean it thoroughly inside and outside. If any water mainmaterials are not to be reused, they shall be stored neatly in anarea designated by the Owner. Lead removed shall become theproperty of the Contractor. All other material shall remain theproperty of the Owner.

2673_____ABAKDONKgMT OF WATER MAINS. BRANCHES. VALVES. CURBBTOPfl. HYDRXMTS. DRAINS. AKP MXKHOLZfl

Valves on the section of main to be abandoned shall also beabandoned if the Contract Documents do not require their removal.

When valves or curb stops are to be abandoned, the Contractorshall remove only the top section of the valve or stop box andbackfill the remaining hole with the required backfill material.

When a hydrant is to be removed and its branch is to be abandonedand it is connected to an abandoned or to be abandoned watermain, the Contractor shall remove the entire hydrant and bulkheadthe open end of the remaining hydrant branch and drain, if any.

When a hydrant is to be removed and its branch is to be abandonedand it is connected to a water main that will remain in service,the Contractor shall, in addition to the work described above,excavate to plug the hydrant tee or cross.

Hydrant drains connected to sewer manholes shall be bulkheadedinside the manholes.

When a manhole is to be abandoned, the Contractor shall removethe manhole frame and lid. He shall remove the top of themanhole to at least 3 feet below the street grade and he shallproperly backfill the remainder of the manhole. Any drains fromthe manhole shall be plugged.

2675______TESTS RBQOIMD

All new mains shall b« tested, under the supervision of theOwner, by th« Contractor, and shall successfully pass thepressure and leakage tests described in the following sections.If the t«»ting is to be performed by the Owner, he shall notifythe Contractor at least 24 hours before performing the test.where a new main will be connected to an existing main, it may benecessary for th« Contractor to install a temporary plug in thenew main for testing purposes. After the specified pressure andleakage tests have been completed on the new main, actualconnection to th« existing main shall be made. The section ofnew connecting main between the removed t«st plug and theexisting main shall b« subject to line pressure prior tobackfilling. Any visible defects observed in the connecting mainshall immediately be repaired by th« Contractor at his expense,prior to backfilling.

2<00 - It of 29

In lieu of separate leakage and pressure tests, a combinationleak/pressure test can be run at a pressure of 150 psi for aduration of one hour at the discretion of the Engineer.

287j______PM88PM TEST

After the test connections are made and the main filled withwater, the test section shall be subjected to water pressurenormal to the area. After examination of exposed parts of thesystem, the test pressure will be increased to 150 pounds persquare inch on the main at the lowest elevation. The main shallbe examined and if any defects are found, the Contractor shallimmediately make the necessary repairs at his own expense. Thepressure test shall be repeated until no defects can be found.The duration of the final pressure test shall be one hour. If itis found unnecessary to add water during the duration of thepressure test, the leakage test may be waived at the direction ofthe Engineer.

2677______LEAKAQB TEST

The leakage test shall be conducted after satisfactory completionof the pressure test. The test section shall be subjected toapproximately 150 pounds per square inch gauge pressure at thepoint of highest elevation of the main under test.

Leakage is defined as the quantity of water to be supplied intothe newly laid pipe, or any valved section of it, necessary tomaintain the specified leakage test pressure after the main hasbeen filled with water and the air expelled.

Leakage shall not exceed the number of gallons per hour asdetermined by the following formula for rubber-sealed joints:

Allowable Leakage (GPH) - S x D x P / 133,200

in which S * Length of pip* to be tested (Feet)0 * Nominal diameter of pipe (Inches)P - Square root of the test pressure

§ 150 PSI, P - 12.25

In case the section under test contains joints of variousdiameters, the allowable leakage will be the sum of the computedleakage for each size of joint.

Should any test section fail to meet the leakage test, theContractor shall immediately make the necessary repairs at hisown expense. The duration of the final leakage test shall be onecontinuous hour.

2678

All water pipe joints shall be provided with devices to assureelectrical conductivity across the joints. These joints shall beequal to Clow Cable Bond or U.S. Pipe Company Electro-Bondconductivity strips. Metal wedges or lead-tipped gaskets willnot be permitted.

2600 - It of 29

The Contractor shall furnish all equipment, labor andmiscellaneous items necessary to perform an electricalconductivity test on all water main installed under thisContract.

This system shall be tested for electrical continuity and currentcapacity. The electrical test shall be made after thehydrostatic pressure test and while the main is at normaloperating pressure. The line shall be tested in sections ofconvenient length as approved by the Engineer.

A direct current shall be impressed on the main between firehydrants and the voltage increased until a current of 250 amperesis reached. This current shall be maintained for a period offive minutes. The resistance of the line can be determined byOHMS law. Before applying voltage to any main to which servicelaterals are connected, all electrical grounds shall bedisconnected from the the service laterals. Building fires anddamage to building wiring can be caused by high test currenttraveling through grounding conductors and neutrals. Currentflow through the pipe shall be measured continuously on asuitable ammeter and shall remain steady without interruption orexcessive fluctuation for the five minute test period.

Insufficient current, intermittent current, or arcing asindicated by large fluctuation of the ammeter needle shall beevidence of defective electrical contact in the main. The causeshall be isolated and corrected. The section of main in whichthe defective test occurred shall then be retested.

Acceptable sources of D.C. current may be generators, arc weldingmachines, batteries, etc. Cables from the power source to thesection of the system under test shall be of sufficient size tocarry the test current without overheating or excessive voltagedrop.

Connections for the test shall be made at fire hydrants. Thefire hydrants shall be in the open position with the caps onduring the test. In areas where there are no fire hydrantsavailable, any convenient connection may be made, subject to theapproval of the Engineer.

In using arc welding machines, current control shall be set at aminimum before starting. After starting the machine, the currentshall be increased until the ammeter is at the desire value.

2679 ______ BMTa'JtlOIiOOICAL TB8T

Water from all new mains must successfully pass a bacteriologicaltest in accordance with the requirements of the Department ofNatural Resources before the main is placed in service.

After an adequate period of time for the disinfection process,the Contractor will provid* th« labor to flush all new mains.Valves shall be operated only by the Water Utility.

2<00 - 20 of 29

When unsatisfactory results are obtained in accordance withflushing and chlorination under section 2615 alone, the Engineermay elect to rechlorinate the main. When rechlorination isdeemed necessary, it will be done by the Contractor, at hisexpense, under the Owner's supervision.

The Contractor shall provide access to the main for chlorinationand sampling, as directed by the Engineer. The excavation shallbe properly and securely braced and maintained until thesuccessful testing, flushing, chlorinating, and sampling of themain is completed. The Contractor shall be held responsible forprotecting any excavation required by means of proper barricadesand lanterns during the above mentioned period.

The water Utility or Owner will take all necessary samples of thewater and provide any equipment necessary to take these samplesat no cost to the Contractor.

All pipe shall be clean at time of installation, which shouldresult in a prompt safe water sample. Delays in disinfectionshall in not way create liability on the part of the Owner.

2680______POLYSTYRENE INSOLATION BOARDS

Water mains shall be insulated where noted on the plans andwherever the depth of cover is less than 4 feet.

Prior to placement of these polystyrene boards bedding materialshall be placed to a height of 6 inches over the top of the pipe,leveled and compacted.

Polystyrene insulation shall be suitable for undergroundinstallation. It shall meet Fed. Spec. HH I 524C. It shall havea compressive strength of at least 40 PSI, minimum R value of 5,and maximum water absorption of 0.17% by volume. It shall beprovided in 4-foot by 8-foot sheets. Sheets shall be no lessthan 1-inch or greater than 2-inches in thickness.

Total laying thickness as called for on the plans shall beattained by placing at least two (2) layers of insulation indirect contact with each other. The boards shall be placed in astaggered arrangement so as to eliminate continuous transversejoints. Each layer should be placed so as to cover the joints ofthe layer immediately below. The laying width shall be eitherfour (4) feet or eight (8) feet as shown on the plan or directedby the Engineer. Insulation shall be placed approximately six(6) inches over the top of pipe.

The first lift of backfill material shall consist of 6 inches ofbedding material which shall be end or side dumped onto theinsulation board and spread in such a manner that constructionequipment does not operate directly on the insulation. Thislayer shall be compacted with equipment that exerts a contactstress of 70 to 80 psi. Once this layer has been compacted tothe specified density, the remaining layers of backfill may beconstructed utilizing conventional procedures.

2(00 - 21 of 29

Polystyrene insulation board shall be measured and paid for onthe per each basis as shown in the Bid Form. The unit ofmeasurement shall be each 4' x 8' x 1" thick sheet. Payment willinclude furnishing and installing the insulation board asdescribed.

2690______BOILDIMa SERVICES - GENERAL

COMPLIANCE WITH CODES All building sewers and water servicesshall be installed in accordance with the WisconsinAdministrative Code and all local plumbing codes and regulations.

LOCATION 07 BUILDING SERVICES Building services may be placed ina common trench if installed concurrently. If not installedconcurrently, a minimum 8 foot horizontal separation must bemaintained between the water service and building sewers.

MINIMUM SI2B The minimum size water service shall be 1 inch indiameter.

BACX7ILL The backfill material shall be in accordance withSections 2229(c) or 2229(d).

2691______LAYING OF WATER SERVICES

WATER SERVICE PIPING Water Service Piping is designated aseither tap service piping or branch service piping depending onsize and arrangement.

(a) Tap Service Piping. All water service piping 2 inchesin diameter or smaller, is designated "Tap Service Piping".The component parts of a tap service are the corporationstop, copper piping and the curb stop with a service box.

The standard water service shall be a one inch tap servicewith the curb stop located as specified by the Engineer.The copper piping shall be extended to the lot line. Thissize of tap service shall be installed unless otherwisespecified on the plans.

(b) Branch Service Piping. All water service piping 3inches in diameter or larger, is designated "Branch ServicePiping". The component parts of a branch service are atapping sleeve and valve or a branch 3-way and valve, avalve box, and ductile iron piping extending to the lot lineat which point the end shall terminate with a plug or cap.

TYPE Of PIPB(a) Tap Water Services. For water services up to andincluding 2 inches in diameter, copper pipe conforming tothe following requirements shall be used, unless otherwisespecified in the Contract Documents. Lead pipe may be usedonly to repair existing lead water service piping.

REQUIREMENTS. Tubing furnished shall be Type "K" softannealed seamless copper tubing and shall conform to thespecification of A.S.T.M. Designation B-88.

2<00 - 22 of 29

MARKINGS. The name or trademark of the manufacturer, and amark indicating the type shall be permanently and plainlymarked on tubing at intervals not greater than 1 1/2 feet.

FITTINGS. Fittings for copper tubing shall be of cast brasshaving an alloy of 85% copper, 5% tin, 5% zinc and 5% lead.They shall have uniformity in wall thickness, and strength,and shall be free from any defect which may affect theirserviceability.

Each fitting shall be permanently and plainly marked withthe name or trademark of the manufacturer.

Fittings shall be of the flared or compression-type only.Unions shall be extra heavy 3-part unions only.

(b) Branch Water Services. Branch service pipe shall beductile iron pipe, Class 3 conforming to the requirements ofSection 2617, unless otherwise specified in the ContractDocuments.

TYPE or JOINT Copper pipe shall have flared or rubber gasketcompression type joints. When copper tubing is used to extendexisting lead water service piping, the connection of the coppertubing to the lead pipe shall be made with a "Lead to Copper"wiped solder joint, or approved mechanical joint.

When lead pipe is to be repaired or replaced in part, theexisting lead water service piping shall be replaced with copperwater tubing. The connection of the copper tubing to theremaining lead pipe shall be performed with approved adapters.

Ductile iron pipe shall have approved gasket joints.

FLARED JOINT The joint shall be the standard flared or rubbergasket compression-type of joint for copper tube using onlyextra-heavy three-part unions. The ends of the copper tubingshall be accurately sized and rounded with copper tubing sizingtools to remove any imperfections in the tubing due to coiling orhandling. All ends shall be cut squarely and rough edges orburrs removed. The flared or flange-end of the copper tube whichis to be joined shall only be formed with the proper size andtype of flange tool designed for that purpose. The flared endshall be fitted against the bevel of the fitting and securedagainst lealcage by tightly screwing and fitting into the sleevenut. The use of any jointing compound with copper tube flaredfittings is prohibited.

GASKET JOINT Gasket joints shall be as specified in Section2621(a) .

TYPE OF TRENCH SECTION The standard trench section is shown inthe details.

The placing of the water service pipe on a shelf dug out of thesidewall of the building sanitary sewer trench opposite to thebuilding storm sewer is permitted when spot sheathing is used andthe ground is sufficiently stable to maintain such a section.

2«00 - 23 of 29

When the ground is not sufficiently stable to maintain a shelf,two inch by six inch planks shall be used to support the shelf.

Where the water service pipe only is to be installed, it shall belaid in a separate trench of the necessary depth and approxi-mately 2 feet in width. The maximum allowable trench width andmethod of installation shall be according to the followingprovisions.

WATER SERVICE PIPING Water service piping shall have a minimum 1inch internal diameter and shall be laid with a minimum of 4inches of bedding material below the pipe. If the trench has anunstable foundation, the trench bottom shall be treated inaccordance with Section 2605. Bedding may be placed by machineup to the bottom of the pipe. From the bottom of the pipe,bedding material shall be placed by hand or equally careful meansto a depth of 6 inches over the top of the pipe. The beddingshall be such that uniform bearing is provided at every pointalong the length of the pipe. If installed in a separate trench,a minimum 8 foot horizontal separation must be maintained betweenthe water service and building sewers.

(a) Tap Service. Where ground conditions permit, TapService piping shall be placed on a shelf in the side wallof the building sanitary sewer trench on the opposite sideof the building storm sewer. When so located, it shall belaid on solid ground, free from stones or hard lumps, orotherwise satisfactorily supported. The minimum width ofthis shelf shall be 6 inches plus the outside diameter ofthe water service pipes.

(b) Branch Service. The excavation for Branch Servicepiping 3 inches or larger in diameter shall be made in sucha manner that the pipe can be laid at least 2 feet clear ofthe building sanitary sewer. This may be done by increasingthe width of the building sanitary sewer trench, by a wideshelf in the trench wall, or by the use of a separate trenchfor the branch pip*.

CONNECTION TO WATER MAIM The connection to the water main forthe corporation stop of the tap service shall be made by theContractor. The corporation stop will be tapped into the watermain and in the case of the branch service, the tapping valvewill be joined to the water main and set in position by Owner'screws. Before this work is done, the Contractor must completethe excavation to provide the necessary working space. TheContractor shall request taps and/or branch service connectionsfrom the Owner at least 24 hours before they are required.

The following minimum distance from the bell end of a water pipeor fitting, or from another tap on either side of the water main,to a corporation stop or tapping valve shall be:

Corporation Stop - One FootTapping Valve - Four Feet

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When two insertions are made, one on each side of the main, theyshall be separated by at least 1 foot (measured along the pipelength) . Multiple insertions made on the same side of the mainshall be staggered and separated by at least one foot.

ALIGNMENT AND POSITION The minimum vertical distance between awater service and the top of a building sanitary sewer shall be12 inches.

(a) Tap Service. The service pipe shall be laid on astraight line at right angles to the water main or parallelto the building sewer. The center line of the pipe shall beoffset approximately 6 inches from the wall of the buildingsanitary sewer trench and approximately 18 inches from thecenter line of the building sanitary sewer.

(b) Branch Service. Pipe 3 inches and larger in diametershall be laid with a clear horizontal space of not less than2 feet between the sanitary building sewer and the branchservice.

GRADE The water service piping shall be laid with a minimumcover of 7.5 feet from the established or proposed street grade.

The curb stop of the tap water service or the gate valve of thebranch service shall be placed not less than 7 feet and not morethan 7-1/2 feet below the established or proposed street grade.

LAYING WATER SERVICES Copper tap service piping shall conform tothe Details.

Water service piping, 1-1/4 inches in diameter and smaller, shallbe installed without any coupling or joint from the corporationstop at the water main to curb stop, except with permission ofthe Engineer.

Copper water service piping 1-1/2 inches and 2 inches in diametershall be installed in lengths of 20 feet or more, between thecorporation stop and the curb stop except for one shorter lengthpermitted for closure.

Horizontal offsets at the corporation stop in copper waterservice piping shall be as shown in the Details. Bends in piping1-1/4 inches in diameter and larger shall be made with a pipebender.

Branch water services shall be laid in accordance withSections 2604 through 26016.

CURB STOPS The Contractor shall furnish and install Curb Stopsthat meet the following requirements.

REQUIREMENTS. Curb stops shall be manufactured in accordancewith AWWA C-800 and ASTM B-62, from 1/2 inch to 2 inches asindicated in the Contract Documents or ordered by the Engineer.

Curb valves shall be inverted key, Minneapolis patter, ball valvewith compression fittings. They shall have an integral clamping

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device on the compression nut to lock the valve to the pipe andinsure electrical continuity. Curb valves shall be A. Y.McDonald 6104-22 with "MAC-PAK" compression system, Ford "B"style ball valve, or equal.

CAST IRON SBRVIC1 BOXES

REQUIREMENTS. Service boxes shall be of the "Arch or MinneapolisPattern", made with cast iron conforming to A.S.T.M. DesignationA-48, Class 20. The castings shall be free from blowholes,porosity, hard spots, shrinkage defects or cracks or otherinjurious defects and shall have a normal smooth casting finish.The pentagon head bolt shall be brass.

The castings shall be thoroughly coated with a 1 mil thicknessbituminous coating.

DESCRIPTION. Cast iron service boxes described herein consist ofa base section with cast O.D. threads, a top section with castI.D. threads, extension sections when required, and a cast coverretained by means of a bolt. The service box is to be installedover a curb stop to provide control access.

SIZE or BOX. The standard 2 1/2 inch diameter box shallaccommodate the 3/4 inch and 1 inch service stops.

The 3 inch diameter box with the enlarged base shall accommodatethe 1-1/4, 1-1/2, and 2 inch service stops.

All service boxes shall have a length of 7 to 8 feet withoutextension sections. They shall be tapped 2 inches.

SETTING WATER SERVICE BOX The water service box shall becentered over the curb stop and shall be brought to proper grade.The legs of the service box shall rest firmly upon a 2 inch by 6inch by 8 inch hardwood board. Clearance shall be provided sothat the service box does not rest upon the water service pipe.Where the bench does not afford a firm support for the servicebox blocking, such support shall be furnished by the use of a 2inch by 6 inch plank placed across the building sanitary sewertrench and firmly supported in each bank.

SETTING OF VALVE BOX Valve boxes shall be set as specified inSection 2631.

PROTECTION Or SERVICE BOX AMD VALVE BOX BASES Before placingbackfill around the water service box or the valve box, theContractor shall wrap polyethylene around the base and beddingmaterial shall be tamped in place from a point above the main toa point 6 inches above the blocking to prevent entrance ofbackfill materials into the openings at the base.

PROTECTION or CURB STOP A copper or lead disc shall be insertedin the curb stop coupling on the building side.

GUARD POST In new developments, the Contractor shall furnish andinstall a metal guard post adjacent to every new curb valve box.The post shall be a five foot painted fence post with bottom

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spade. It shall be driven 18 to 24 inches into the groundadjacent to the curb box. It shall not be connected to the curbbox in any way. The guard post shall be left in place untilafter the street is accepted by the engineer.

The cost of furnishing, placing, and removing the guard postshall be incidental to water service construction.

C LOS I NO BUD O7 SERVICE PIPB The open end of copper waterservices shall be closed by peening the end.

The open end of branch service pipe shall be closed by a castiron plug with a lead joint or approved gasket joint and securelyblocked.

PROTECTION OF WATER SERVICE PIPING The entire ductile ironbranch service piping and the first three feet, commencing at thewater main, of the tap service piping shall be wrapped with aprotective covering of polyethylene film when required for watermains in accordance with Section 2623.

TESTING The water service installation shall be tested for leaksprior to the placement of the hand backfill, and before theservice box is installed, before the disc is inserted and beforethe end is peened. The corporation stop at the water main shallbe turned on and the curb stop opened until a full flow of wateris obtained. The curb stop shall then be turned off and alljoints and couplings checked for leaks. Upon acceptance of theservice piping, the remainder of the installation work shall becompleted.

HAND BACKFILLING Bedding and cover material shall be placed byhand or other careful means around the pipe and brought to aheight of 6 inches over the pipe.

INSULATION Building water services shall be insulated inaccordance with Section 2680 wherever the depth of cover isless than 5 feet, or passes within 2 feet of an undergroundstructure which may experience freezing temperatures.

2692______EXTENSIONS. RELOCATIONS. DISCONNECTIONS ANDRECONNECTIONS OF BUILDING SERVICES

LOCATION OF EXISTING BUILDING SEWERS AND SERVICES The Contractorwill be furnished with available recorded measurements for thelocation of existing building sewers and water services.Existing service stop boxes, evidence of existing trenches, andany other pertinent evidence also shall be used in theirlocation.

The Contractor shall commence excavation for the location of theexisting building severs and water services at such point as theweight of evidence demands. In case the initial excavation forthe location of existing building severs and water services failsto uncover same, the Contractor, at his ovn expense, shallexplore a distance of 6 feet in each direction, or a total of 12feet, immediately in back of and parallel to the curb, or alongthe water main.

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In case the existing building sewers or water services cannot belocated in these limits, and additional trenching is required,the Contractor shall be paid for an "Exploratory Excavation".

EXPLORATORY EXCAVATION The Contractor shall uncover existingservice laterals where shown on the plans or directed by theEngineer. The existing lateral will be checked and replacedwhere directed.

Payment for Exploratory Excavation shall be on a per each basisas shown on the Bid Form and shall be full payment for excavatinga safe and adequate inspection hole to uncover the questionableservice, and for properly backfilling the hole after the Engineerhas inspected the service.

If the service is ordered to be replaced by the Engineer, theexcavation shall be considered as part of the work required toreplace the service and no Exploratory Excavation will be paid.

Exploratory Excavations shall be made on the service near itsconnection to the main so as to minimize the loss of any concretecurb and gutter.

Excavations or services which are separated by a distance of 5feet or less shall be considered and paid for as one ExploratoryExcavation regardless of the number of services located in that 5foot length.

WATER SERVICE EXTENSION, RELOCATION, DISCONNECTION AND RECONNECTION

(a) Water Service Curb Extension. To extend tap servicepiping, a length of copper piping and a new curb stop shallbe pointed to the end of the existing service. The new curbstop shall be located as specified by the Engineer. Thecopper tubing shall be extended to the lot line and the endpeened.

To extend branch service piping, a length of pipe equal insize to the existing branch service piping shall be jointedto the existing branch service piping. This pipe shall belaid to the property Una and the end plugged.

(b) Relocation of curb Stops and Service Boxes. Torelocate curb stops and service boxes, the existing curbstop shall be closed. The existing tap service piping shallbe severed at the point specified by the Engineer. A newcurb stop of the same size as the existing water servicepiping shall be installed and opened. The old curb stopshall then be opened and the new service box installed inits proper position over the new curb stop.

In case the existing curb stop is found to be leaking orotherwise defective, the Contractor shall freeze theexisting water service piping between the main and theexisting curb stop. The existing curb stop shall be removedand replaced with piping of the same size as the existingwater service piping.

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(c) Disconnection of Water Service. To disconnect tapservice piping at the main, the corporation stop shall beclosed and the service pipe severed from the tail piece ofthe corporation stop. The union shall be uncoupled and thetail piece shall be closed by peening the end. A solidsheet, lead or copper, disc shall be inserted into the unionand the union again coupled securely to the corporationstop.

(d) Reconnection of Water Service. Reconnection of waterservice shall be with an connection/adapter approved by theEngineer. Adapters shall be of the type and materialnecessary to make a connecting joint that will conform tothe Wisconsin State plumbing Code and meet the approval ofthe City Plumbing Inspector.

Adapters will be paid for under their respective bid items.This price shall be full compensation for all tools,equipment, labor, and materials to make the serviceconnection as required. Service pipe, service valves, andcorporation stops will be paid for under their respectivebid prices.

BNP OF SECTION

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2900______LAKD8CAPINQ AMP RgSTORATIOM

2901______QBMBRJLL

(a) Codes and standards

1 Plant material shall conform to nomenclature of"Standardized Plant Names" as adopted by the JointCommittee of Horticulture Nomenclature, latest edition.Size and grading standards shall conform to the AmericanAssociation of Nurserymen,Inc. , as published in "AmericanStandard for Nursery Stocks", latest edition. Nosubstitutions of size or grade shall be permitted withoutwritten permission of the Engineer. Each bundle of plantsand all separate plants shall be properly identified withlegible waterproof tags securely fastened to each plant orbundle of plants.

2 All plant material shipments and deliveries shallcomply with State and Federal laws and regulationsgoverning the inspection, shipping, selling, and handlingof plant stock. A tag or label bearing the name andaddress of the licensed dealer or nurseryman and acertification that the material is from an officiallyinspected source, shall accompany each shipment ordelivery of plant material.

3 All plants shall be subject to the approval of theEngineer. All plants rejected at the project site shallbe replaced with acceptable plants of the same species,variety and size unless otherwise directed by theEngineer.

(b) Quality. All plants shall be true to type. They shallhave normal, 'well-developed branch systems, and a vigorousfibrous root system. They shall be sound, healthy, vigorousplants free from defects, disfiguring knots, sunscaldinjuries, abrasions of the bark, plant diseases, insecteggs, borers, and all forms of infestation. All plantsshall be nursery grown unless otherwise indicated. Theyshall have been growing in similar climatic conditions asthe location of the project for at least two years prior tothe date of this contract.

(a) Health. All plants, including their roots, shall befree froa disease, insects, or other injurious qualities.All local, state, and federal laws pertaining to theinspection, sale, and shipment of plant materials shall becomplied with. The trunk bark of all trees shall be sound,trees shall have no large wounds, and any small wounds shallhave a satisfactory callus roll formed or forming over them.Plants shall show good annual growth. Buds shall be plumpand well filled for the species. Evergreen foliage shall beof good intense color.

(d) Ball and Burlap. Plant stock shall be furnished balledand burlapped (B & B) and shall be moved with a compact dug

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ball of earth so firmly wrapped in burlap that upon deliverythe soil in the ball is still firm and compact about thesmall feeding roots. Each ball shall be of sufficient sizeto encompass all the fibrous feeding roots necessary toinsure successful recovery and development of the plant.The minimum sizes of balls, ball depth and diameters, andincreased ball sizes for collected stock shall be inaccordance with Recommended Balling and BurlappingSpecifications as set forth in the current edition of theAmerican Standard for Nursery Stock sponsored by theAmerican Association of Nurserymen, Inc.

(•) Season*. The normal spring planting season for allplants shall extend to June 1. The normal fall plantingseason for all plants except evergreens shall begin onOctober 1. Fall evergreen planting shall be done betweenSeptember 1 and October 1. Unless otherwise approved,planting shall not be done when the ground is frozen or whenthe soil is in an unsatisfactory condition for planting.

(f) Guarantee. The Contractor shall guarantee all newplant materials (including seed and sod) through one springgrowing season after acceptance. Plants accepted afterOctober 1 shall be guaranteed until October 1 of thefollowing year. If any plants die as a result of improperplanting or related causes, they shall be replaced by thisContractor at no additional expense to the Owner.

(g) Clean Up. Any soil, manure, peat, or similar materialwhich has been placed on paved areas shall be removedpromptly, keeping the area clean at all times. Uponcompletion of the planting, all excess soil, stones, anddebris shall be removed from the site.

All ground areas disturbed as a result of plantingoperations shall be restored to their original condition orto the desired new appearance.

2902

All materials furnished for this project shall be approved by theEngineer prior to being used.

Existing sod shall not be used. Existing topsoil will not beacceptable for use.

(a) Topsoil used for the finished grading of all lawn orplanted areas shall be a fertile, friable loam, neitherexcessively acid, nor excessively alkaline, suitable forthe growth of grass or plants and of the best qualityobtainable in the locality. In urban or other areas where alawn type turf is desired, 100 percent of the topsoil shallpass the No. 10 slave. Obtain topsoil from local sources.Do not obtain from bogs or marshes. Topsoil containing lessthan 3% organic matter shall be supplemented with humus toachieve 3% matter content.

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All topsoil shall be tested at a certified soil testlaboratory by the Contractor, and a copy of the test reportsubmitted to the Project Engineer. Tests shall consist ofmechanical grain size analysis, organic content, PH, andnutrient amounts.

(b) Husras. Finely divided, granular texture peat moss orpeat muck with pH of 6.0 to 7.5.

(c) Fertiliier. Solid or liquid form commercial fertilizerhaving an analysis of 20-10-10 (Nitrogen/Phosphoric/Potash)or as indicated on soil test results. Organic fertilizermay be used only with special permission of the A/E.Fertilizer shall be applied at a rate of ten (10) pounds per1000 square feet of area.

(d) Sod. To be a dense, well rooted growth of permanent anddesirable grasses, indigenous to general locality andpractically free from weeds or undesirable grasses. Onlyhighland sod is allowed. Peat sod is unacceptable. At thetime the sod is cut, the grass on the sod shall have alength of approximately 2" and the sod shall have been rakedfree from debris.

The thickness of the sod shall be as uniform as possible,approximately 1-1/2" or more, depending on the nature of thesod, so that practically all of the dense root system of thegrasses will be retained, but exposed, in the sod strip andso that the sod can be handled without any undue tearing orbreaking.

(e) Trees and Shrubs. See plans for description, size, andquantity of plants to be supplied.

All plants shall be nursery grown stock that has beentransplanted or root-trimmed two or more times according tothe kind and size of plant.

All plants shall be typical of their species and have wellformed tops and root systems and shall be free frominjurious insects, plant diseases or other plant pests.Plants shall be hardy under the climatic conditions at thesite.

Plants furnished shall be free from the following defects:

* Serious injuries to top, branches, trunk, bark or roots,* Dried out roots.* Prematurely opened buds.* Thin or poor tops or root systems.* Evidence of molding.* Dry, loose or broken ball of earth in B & B stock.

Plant stock shall conform to the code of standards set forthin the current edition of American Standard for NurseryStock recommended for general use and adoption by theAmerican Association of Nurserymen, Inc.

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(f) Mulch. Shredded hardwood bark mulch for mulching undertrees and shrubs.

(g) Stakes. Provide lath or shingles, pointed, 6" longstakes.

(h) Water used shall be free from any impurities orsubstances which might injure plants or sod.

2903______EXECUTIOH

(a) 7ine Grading. Entire areas shall be graded reasonablysmooth; fill all washes and gullies to conform to therequired lines and grades.

(b) Topsoil Placement. After completion of finish grading,place topsoil over entire area. Smooth grade to within 3/4"of finish grade after settlement to eliminate irregularitiesand to match adjacent pavements and walks. Topsoil depthshall be 4" minimum in areas to be sodded and 5-1/2" inareas to be seeded.

(c) Sodding.

1 Preparation. Areas to be sodded shall be free fromstones, roots, or other foreign material. The soil shallbe loosened and brought to a reasonably fine granulartexture, to a depth of not less than about 2" by means ofequipment or hand methods adapted to the purpose.

2 Fertilising. Before sod is placed, apply fertilizeruniformly to all lawn areas at the rate of 10 Ibs. per1,000 sq. ft. Scarify ground to a depth of at least 2" toincorporate fertilizer.

3 Placing the Sod. The earth bed upon which the sod isto be placed shall be moistened to the loosened depth andthe sod shall be placed thereon within approximately 24hours after the same has been cut. Sod shall be laid sothat the joints caused by abutting ends of sod strips arenot continuous. Each sod strip shall be so laid as toabut snugly against the strip previously laid.

On sloping areas sod strips shall be placed with theirlong axis normal to the slope. As the sod is being laid,it shall be rolled or firmly but lightly tamped withsuitable wooden or metal tampers, sufficiently only to"set" or press the sod into underlying soil.

At points where water will flow over a sodded area, theupper edges of the sod strips shall be turned into thesoil below the adjacent area and a layer of earth placedover this juncture, which earth shall be thoroughlycompacted to conduct the surface water over the upper edgeof the soil.

4 Staking. On all slopes steeper than one foot verticalto four feet horizontal, the sod shall be staked or pegged

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with pieces of plasterers' lath or stakes equivalentthereto, 12 inches in length, spaced as required by thenature of the soil and steepness of the slope, from isinches to 36 inches apart along the longitudinal axis ofthe sod strip. Stakes shall be preferably placed near thetop edges of the sod strips and shall be drivenapproximately plumb through the sod leaving about 1/2 inchof the peg above the sod.

All sod placed in ditches, flumes, or other appurtenanceswhere a concentrated flow of water may be expected, shallbe staked regardless of the slope.

After the staking has been completed, the surface shall becleared of loose sod, excess soil, or other foreignmaterial.

5 Maintenance. The Contractor shall maintain the soddedarea, keeping it thoroughly moist by watering orsprinkling, when rainfall is deficient, for a period ofthirty days. He shall repair and re-sod where necessaryall areas damaged by erosion and trespassing.

(d) Planting*.

Insofar as practicable, plant stock shall be planted on theday of delivery at the project site. In the event this isnot possible, the plant stock shall be temporarily stored by"heeling-in" or by placing a well ventilated, cool, moiststorage place and shall be adequately protected againstdrying by the use of moist sphagnum moss, straw or othersuitable covering around the roots of BR stock and the ballsof B & B stock.

The plant hole shall be large enough to permit placing atleast 6" of backfill material around at least 2" beneath theballs of B & B stock.

In the event it is necessary to suspend planting operationsuntil the following planting season, any open plant holesshall be backfilled before suspending the work.

The bruised or broken parts or large or fleshy roots shallbe cut off smoothly before planting or potting. The tops ofdeciduous plants shall be pruned either before or at thetime of planting.

This shall consist of removing dead and broken branches tocompensate for root loss and to shape the plant. Thepruning shall be done so that the plant retains its naturalform. Except when heading back, all cuts shall be madeflush with the trunk or branch. Evergreen plants shall notbe pruned except to remove dead or broken branches. All cutsurfaces one inch or more in diameter shall be painted witha tree wound dressing.

All planting shall be performed in accordance with themethod herein provided, insofar as practicable.

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The soil in the bottom of the hole, which has been excavatedto prescribed requirements, shall be loosened to a depth of3" and mixed with an equal amount of topsoil. A mound ofsoil shall be formed in the center of the hole to supportthe roots or ball of the plant. The plant shall be placedon the mound of soil and held in a vertical position.Plants shall be placed in their wrapped ball, and shall bemoved and hauled only by the ball.

The plant shall be so set, by adjusting the elevation of themound, that after settlement the plant will stand atapproximately the same depth it stood in the nursery orfield.

The plant hole shall be backfilled with topsoil to whichcompost has been added at the ratio of six parts soil to onepart compost by volume. The soil compost mixture shall beplaced in layers around the ball. Each layer shall becarefully tamped in place in a manner to avoid injury to theball or disturbing the position of the plant. Whenapproximately two-thirds of the plant hole has beenbackfilled, the hole shall be filled with water and the soilallowed to settle around the ball. Plants shall have theburlap cut away or folded back from the top of the ballbefore applying the water. After the water has beenabsorbed, the plant hole shall be filled with topsoil andtamped lightly to grade. Any settlement shall be brought tograde with topsoil. Unless otherwise directed or specified,a shallow rain cup or rain basin shall be formed in thecompleted backfill by shaping the soil around the plant.

Mulch shall be placed, after any necessary backfilling,adjustment and watering has been performed, over thebackfilled plant hole or plant bed within the specified areato a depth of approximately three inches, unless otherwisespecified.

Trees shall be braced and guyed. The bracing and guyingmaterials shall consist of such wood or steel stakes, wire,rubber hose, soft robe or straps, turnbuckles, and othermaterial as needed to perform the work. Stakes shall be ofsolid durable wood approximately 2" x 2" and of the requiredlength, except that stakes used for bracing may be approvedsteel posts of the required length.

wire of good quality shall be No. 11 or 12 steel wire whenused for trees of 4" or less in diameter and No. 9 or 10 fortrees over 4" in diameter. A suitable turnbuckle foradjusting the wire shall be used with the larger wire.

Each wire where it encircles the tree shall be enclosed in ahose of sufficient length to clear the trunk 6H at the ends.The wires shall be drawn taut to equal tension, by means oftwisting or use of turnbuckles, and securely fastened, withthe trunk of the tree remaining in a vertical position.

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(•) Maintenance of Plants.

A plant establishment period shall follow the completion ofplanting. The plant establishment period for materialplanted in the spring shall extend until September 15 of thesame year, and when the planting is completed in the fall,the plant establishment period shall extend until September15 of the succeeding year.

The Contractor shall properly care for all plants from thetime of planting until the partial or final acceptance ofthe work under the contract.

Proper care of plants shall consist of doing such watering,weeding, cultivating, pruning, spraying, tightening ofbraces and guys, remulching and such other work as may benecessary to keep the plants in a healthy growing condition.

A sufficient amount of water shall be placed in each planthole at the time of each watering to keep the topsoilbackfill material in a moist condition, and to keep theplant in a healthy growing condition.

All mulched area shall be kept free of weeds by hoeing andhand weeding.

Pesticides shall be applied as required to control insectsand disease and to keep the plants in a healthy condition.

(g) Replacement of Plants.

All evergreens that die during the course of the plantestablishment period shall be removed and disposed of by theContractor as their dead condition becomes evident. Fallplantings which fail to survive the winter dormancy periodshall be replaced by the Contractor during the followingspring planting season and before beginning of the growingseason.

Near the end of the first full growing season, but no laterthan the expiration of the plant establishment period, aninspection of the planting will be made and only thoseplants that are alive and normally healthy will be accepted.Unaccepted material shall be removed and replaced by theContractor, at his own expense, during the next plantingseason. Material and method of replacement planting shallbe the same as specified for the original planting.

2904 BOULXVXJU) RIPAIft

All boulevard repair shall be done by the Contractor. On streetsrequiring sod, the Contractor shall place 4 inches of topsoil onthe graded areas. Fertilizer shall then be incorporated into thetopsoil. Sod shall then be placed on all topsoiled areas (Type"A" lawn replacement).

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When boulevard restoration requires seeding, the Contractor shallplace 5-1/2 inches of topsoil, fertilizer, seed mixture No. 40(WSSRBC) and mulch (Type "C" lawn replacement).

Sod or topsoil placed without approval shall be removed andreplaced at no expense to the City.

The Contractor shall be responsible for all erosion control onthe job and erosion control shall be considered incidental toboulevard repair.

Boulevard sodding will be paid for at the contract unit price persquare yard and shall be full compensation for furnishing,hauling and placing of topsoil; for furnishing, hauling, placingand incorporating the fertilizer; for furnishing, placing,staking and watering the sod; and for all labor, equipment, toolsand incidentals necessary to complete the work.

Boulevard seeding will be paid for at the contract unit price persquare yard and shall be full compensation for furnishing,hauling, and placing of topsoil; for furnishing, hauling, placingand incorporating the fertilizer; for furnishing and placing theseed; for furnishing and placing the mulch; and for all labor,equipment, tools, and incidentals necessary to complete the work.

2905______REPLACEMENT OF LAWM8

Where a sewer or water facility is constructed in an establishedand maintained lawn area which is not affected by the currentyear's street improvement program, the Contractor shall restorethe damaged area with Type "A" lawn relacement unless otherwisespecified in the Contract Documents. In non-maintained areas, aType "E" replacement shall be used. All sod shall be rolled andall lawn replacement shall be maintained until sustained growthis assured.

The following shall be standard type* of lawn replacement:

TYP1 "A" LAW* REPLACEMENT. Replace lawn with top gradenursery sod laid over four (4) inches of fertilized screenedtopsoil spread evenly over the entire area.

TYPB "B" LAW* REPLACEMENT. Existing topsoil shall bestriped, stockpiled, and relayed to a depth of approximatelyfour inches (4H) , and fertilized. Replace lawn with a topgrade nursery sod laid over the disturbed area.

TYPE "C" LAW* REPLACEMENT. Replace lawn by means of placingfive and one half (5-1/2) inches of fertilized screenedtopsoil spread evenly, seeded with grass seed meeting therequirements of Section 630 WSSRBC (seed mixture No. 40) atthe recommended rate and mulched.

TYPE "D" LAW* REPLACEMENT. Replace lawn by means ofsalvaging, stockpiling, and replacing of existing topsoil toa depth of approximately six inches (6") ; fertilize thearea; seed with grass seed meeting the requirements of

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Section 630 WSSRBC (seed mixture No. 40); and cover the areawith a layer of properly secured mulch.

TYPE "B" LAWV REPLACEMENT (Brosion Control). Replace lawnby scarifying the construction area surface; fertilize thesurface; seed the area at a rate of 3 pounds per 1000 squarefeet of area; rake or drag the area to cover the seed; andcover the area with a layer of properly secured mulch. Theseed mixtures shall contain 50% alta fescue, 30% Kentuckyblue grass, and 20% perennial rye grass.

The contractor shall be paid the unit bid price per square yardmeasured in place for each respective type of lawn replacementwithin the construction site as shown on the plans or determinedby the Engineer. Lawns disturbed by the Contractor outside theconstruction site or as determined by the Engineer to beunnecessarily disturbed to per fora the work, shall be replacedby the contractor at his expense. The type of lawn replacementwill be determined by the Engineer.

2906______C LEAK-UP

All broken concrete and all other waste material shall be removedby the Contractor upon completion of the work and before finalacceptance.

Final clean-up shall be considered incidental to the other itemsof the Contract and no additional compensation will be made.

B1IP Of 8BCTIOM

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