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BICOL INTERNATIONAL AIRPORT DEVELOPMENT PROJECT [RE-BID] Package 2A- Construction of Landside Facilities

(Site Development and Other Buildings)

TABLE OF CONTENTS

TECHNICAL SPECIFICATIONS

SECTION TITLE NO. OF PAGES

VOLUME 1 of 4: I. GENERAL REQUIREMENTS PART A - FACILITIES FOR THE ENGINEER (INCLUDING ENGINEER’S REPRESENTATIVE) PART B - OTHER REQUIREMENTS II. SITE DEVELOPMENT WORKS

EARTHWORKS AND SECURITY FENCE/GATES PART C – EARTHWORKS Item 100 Clearing and Grubbing ........................................................................................................ 2 Item 101 Removal of Structures and Obstructions ............................................................................ 1 Item 102 Excavation ........................................................................................................................... 2 Item 103 Structure Excavation ........................................................................................................... 3 Item 104 Embankment ....................................................................................................................... 4 Item 105 Subgrade Preparation ......................................................................................................... 2 Item 106 Compaction Equipment and Density Control Strips ........................................................... 2 PART F– BRIDGE CONSTRUCTION (for cross reference only) Item 404 Reinforcing Steel ................................................................................................................. 3 Item 405 Structural Concrete ............................................................................................................. 8 PART H – MISCELLANEOUS STRUCTURES Item 604 Security Fence and Gates .................................................................................................. 6

WATER SUPPLY WELLS Section 1 Drilling, Construction and Testing of Test/Production Well ........................................ 19 Section 2 Submersible Deepwell Pump ........................................................................................ 4

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VOLUME 2 of 4: III. OTHER BUILDINGS DIVISION 2 – SITE CONSTRUCTION 02217 Building Layout .............................................................................................................. 1 02302 Excavation, Backfilling, and compacting for utilities ..................................................... 8 02360 Soil Treatment for Subterranean Termite Control ........................................................ 3 DIVISION 3 - CONCRETE 03300 Cast in Place Concrete ..................................................................................................... 18 DIVISION 4 - MASONRY 04800 Reinforced Masonry ............................................................................................................ 7 DIVISION 5 - METAL 05120 Structural Steel .................................................................................................................... 5 05300 Steel Floor Decks ................................................................................................................ 4 05520 Handrails and Railings ........................................................................................................ 4 DIVISION 6 – WOODS AND PLASTICS 06400 Finish Carpentry .................................................................................................................. 3 DIVISION 7 – THERMAL AND MOISTURE 07101 Dampproofing...................................................................................................................... 2 07102 Elastomeric Waterproofing system, Fluid- applied ............................................................. 5 07210 Building Insulation ............................................................................................................... 2 07410 Preformed Metal Roofing .................................................................................................... 5 07412 Roof Insulation .................................................................................................................... 2 07460 Aluminum Composite Panel ................................................................................................ 2 07900 Sealants and Caulking ........................................................................................................ 6 DIVISION 8 – DOORS AND WINDOWS 08110 Steel Doors and Frames ..................................................................................................... 4 08210 Wood Doors ........................................................................................................................ 3 08256 Wired Glass Skylight ........................................................................................................... 2 08420 Aluminum Doors and Frames ............................................................................................. 3 08423 Automated Door Control System ........................................................................................ 2 08511 Metal Wall Louvers ............................................................................................................. 2 08520 Aluminum Windows ............................................................................................................ 4 08710 Finish Hardware .................................................................................................................. 5 08800 Glazing ................................................................................................................................ 3 DIVISION 9 - FINISHES 09601 Epoxy Coating ..................................................................................................................... 3 09602 Granite Tiles ........................................................................................................................ 2 09604 Ceramic Tile ........................................................................................................................ 4 09605 Vinyl Flooring ...................................................................................................................... 4 09606 Rubber Sheet Flooring and Stair Thread ............................................................................ 3 09609 Homogenous Tile ................................................................................................................ 4

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09611 Carpet Tile ........................................................................................................................... 5 09613 Gravel Washout Finish ........................................................................................................ 3 09614 Floor Hardener .................................................................................................................... 2 09615 Access Flooring (Raised Floor) .......................................................................................... 7 09702 Vinyl Coated Wall Covering ................................................................................................ 4 09703 Plastering ............................................................................................................................ 5 09704 Abuse Resistant Interior Veneer Plastering ........................................................................ 2 09705 Fiber Cement Board ............................................................................................................ 5 09800 Ceiling Suspension Systems .............................................................................................. 5 09801 Aluminum Spandrel Ceiling System ................................................................................... 2 09802 Acoustical Ceiling ................................................................................................................ 4 09803 Plasterboard ........................................................................................................................ 4 09806 Perforated Metal Ceilings .................................................................................................... 6 09807 Linear Metal Ceilings .......................................................................................................... 6 09910 Painting of Building (Field Painting) .................................................................................... 6 09918 Special Coatings Tank Lining –Food Grade ....................................................................... 3 DIVISION 10 - SPECIALTIES 10165 Toilet Compartments ........................................................................................................... 2 10350 Flagpoles ............................................................................................................................. 2 10810 Toilet & Bath Accessories ................................................................................................... 3 DIVISION 12 – FURNISHING 12600 Furniture and Accessories .................................................................................................. 2 DIVISION 13 – SPECIAL CONSTRUCTION 13100 Lighting Protection System ................................................................................................. 3 13920 Fire Pumps ........................................................................................................................ 12 13930 Fire Extinguishing Sprinkler Systems (Wet Pipe) ............................................................... 7 13940 FM-200 Gas System ........................................................................................................... 3 DIVISION 14 CONVEYING SYSTEM 14210 Passenger Elevator ............................................................................................................. 3

VOLUME 3 of 4: DIVISION 15 – MECHANICAL (PLUMBING) 15110 Valves ................................................................................................................................. 3 15140 Domestic Water Piping ....................................................................................................... 3 15150 Sanitary Waste and Vent Piping ......................................................................................... 4 15152 Submersible Pumps ............................................................................................................ 3 15154 Submersible Booster Pumps ............................................................................................ 10 15160 Storm Drainage Piping ........................................................................................................ 3 15440 Plumbing Fixtures ............................................................................................................... 3 DIVISION 15 – MECHANICAL (HVAC) 15011 Mechanical General Requirements .................................................................................. 10 15050 Basic Mechanical Materials and Methods .......................................................................... 4 15200 Noise and Vibration Control ................................................................................................ 8 15250 Insulation of Mechanical Systems ...................................................................................... 9 15483 Fuel Oil Handling System ................................................................................................... 7 15652 Chilled Water Piping Systems ........................................................................................... 19

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15653 Unitary Air Conditioning (Split-Type) Systems .................................................................... 8 15682 Air-Cooled Water Chillers ................................................................................................... 6 15856 Air Handling and Distribution Equipment ............................................................................ 7 15871 Ventilation and Exhaust Systems (FANS& BLOWERS) ..................................................... 9 15895 Ductwork and Ductwork Accessories ............................................................................... 10 15896 Secondary Cables and Wires ............................................................................................. 4 15971 Space Temperature Control Systems ............................................................................... 15 15972 BMS Instrumentation ........................................................................................................ 14 15973 BMS Inspection and Acceptance Testing ......................................................................... 13 15996 Testing and Balancing Air and Water Systems .................................................................. 9 VOLUME 4 OF 4: DIVISION 16 – Electrical 16011 Electrical General Requirements ..................................................................................... 10 16206 Power Generating Plants, Diesel Electric ......................................................................... 24 16262 Automatic Transfer Switches ............................................................................................ 10 16301 Underground Electric Work ................................................................................................. 7 16302 Overhead Electrical Work ................................................................................................... 9 16402 Interior Wiring Systems ..................................................................................................... 15 16462 Three-Phase Padmounted Transformer ............................................................................. 6 16463 Single Phase Padmounted Transformer ............................................................................. 3 16474 Medium Voltage Switchgear (Ring Main Unit) .................................................................... 6 16475 Low Voltage Switchgear ..................................................................................................... 7 16510 Interior Lighting ................................................................................................................... 3 16523A Constant Current Regulators & Regulators Monitors ....................................................... 10 16530 Exterior Lighting .................................................................................................................. 4 16711 Structured Cabling System ................................................................................................. 6 16722 Fire Alarm System............................................................................................................... 9 16760 Public Address System ....................................................................................................... 5 16761 Electronic Private Automatic Branch Exchange (EPABX) .................................................. 6 16762 Closed Circuit TV System ................................................................................................... 8 16762A Flight Information Display System ...................................................................................... 4

*****

Division 15 – Mechanical (Plumbing)

Bicol international Airport Development Project Division 15 – Mechanical Section VI- Technical Specifications Valves

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SCTION 15110 - VALVES

PART 1- GENERAL

1.1 Scope

This section covers gate valves, check valves, and angle valves.

Valves shall be furnished and installed complete with all fittings, jointing materials, hangers, supports, anchors, and other necessary appurtenances.

1.2 References

1.2.1 Governing Standards

Except as modified or supplemented herein, all materials required in this section including their installation shall conform to the applicable requirements of the following standards. Standards current at the time of tender shall be used.

a. ANSI American National Standard Institute b. ASME American Society of Mechanical Engineers c. AWWA American Water Works Association d. MSS Manufactures Standardization Society of the Valve and Fittings Industry

1.3 Coordination

Materials furnished under this section shall be the standard products of the manufacturer. Where two or more units of the same item of materials are required, they shall be the products of a single manufacturers.

1.4 Submittals

1.4.1 Drawings and Data

Complete specifications, data, and catalog cuts or drawings covering the valves and accessories shall be submitted.

1.5 Delivery, Storage, and Handling

1.5.1 Storage and Handling

Valves shall be stored and handled in a manner, which will ensure installation in sound, undamaged condition. Handling methods and equipment used shall not damage pipe and fittings.

1.6 Quality Assurance

1.6.1 Tolerances

Unless otherwise specified, the actual length of valves shall be within 2 mm ( plus or minus) of the specified or theoretical length.

PART 2- PRODUCTS

2.1 Materials

a. Gate valves

(1) 65 mm and smaller MSS-SP-80

(2) 75 mm and larger AWWA C500

b. Check valves

1. 50 mm and smaller MSS-SP-80


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2. 65 mm and larger AWWA C508

c. Angle valves MSS-SP-80

d. Unions ASME B16.39

2.2 Performance and Design Requirements

2.2.1 Gate Valves

Gate valves 65 mm and smaller shall be solid wedge type, rated 125 psig at a minimum temperature of 82°C. Valves shall be of bronze construction with screwed bonnet, rising stem, and teflon impregnated packing.

Gate valves 75 mm and larger shall be rated 125 psig at a minimum temperature of 28°C, double disc type. Gate valves installed in vertical piping shall be of solid wedge type. Gate valves installed inside structures shall be of rising stem type with stuffing box stem seals. Gate valves, which are buried or submerged, shall be nonrising stem types with O-ring stem seals.

2.2.2 Check Valves

Check valves, 65mm and larger, which are installed in water pump discharge piping having a working pressure of 125 psig or less shall be swing type designed for installation between two pipe flanges. Each check valve shall have a cast iron or bronze body.

Check valves 50mm and smaller in water piping shall be rated 125 psig at a minimum temperature of 28°C, all bronze, Y-pattern, regrinding, horizontal swing type.

2.2.3 Angle Valves

Angle valves 50mm and smaller for water service shall be rated 125 psig at a minimum temperature of 28°C and 862 kPa at 205°C with bronze body, seat, and disc; screwed bonnet; rising stem; teflon impregnated packing; and threaded ends.

2.3 Fabrication

2.3.1 Shop Painting

All ferrous metal surfaces of valves and accessories, both interior and exterior, shall be shop painted for corrosion protection.

Surfaces to be painted shall be as follows:

a. Exterior surfaces of all-rust-inhibitive primer

b. Polished or machined surfaces-rust-preventive compound.

c. Actuators and accessories-rust-inhibitive primer

2.3.2 Rotation

Unless otherwise required by the Owner’s Representative, the direction of rotation of the wheel, wrench nut, or lever to open the valve shall have cast thereon the word “OPEN”, and an arrow indicating the direction to open.

2.3.3 Unions

A union or flanged connection shall be provided within 600mm of each threaded end valve unless the valve can be easily removed from the piping.

2.4 Accessories

2.4.1 Valve Boxes

Valve boxes shall be cast iron, extension sleeve type, suitable for the depth of cover required by the drawings. Not more than one extension will be allowed with each slide type valve box.


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Valve boxes shall have a minimum thickness at any point of 5mm, and shall be provided with suitable cast iron bases and covers.

All parts of valve box, bases, and covers shall be shop coated by dipping in asphalt varnish.

Top sections and covers for valve boxes, which are to be provided with position indicators, shall be designed for proper installation of the position indicator and accessories.

PART 3- EXECUTION

3.1 Installation

3.1.1 Manufacturer’s Recommendations

Valves and accessories shall be installed in accordance with the manufacturer’s instructions and recommendations.

3.1.2 Valve Boxes

Valves and valve boxes shall be set plumb. Each valve box shall be placed directly over the valve it serves, with the top of the box brought flush with the finished grade. After being place in proper position, earth shall be filled in around each valve box and thoroughly tamped on each side of the box.

3.2 Cleaning

The valves shall be smooth, clean, and free from blister, loose mill scale, sand, dirt, and other foreign matter when erected. The interior of all lines shall be thoroughly cleaned, to the satisfaction of the Owner’s Representative, before being placed in service.

3.3 Method of Measurement

Valves shall be measured by the number of units installed required as shown on the plans and details.

4.0 METHOD OF MEASUREMENT

Valves shall be measured by the number of units installed required as shown on the plans

and details.

5.0 BASIS OF PAYMENT

The quantities determined as provided in Method of Measurement shall be paid for at the

contract unit price, respectively for each of the Pay Item listed below and shown on the Bill of

Quantities, which price and payment shall be full compensation for furnishing and placing all

materials including labor, equipment, tools and incidentals necessary to complete the work

prescribed in this Section.

Payment will be made in accordance with the Bill of Quantities.

******

Bicol International Airport Development Project Division 15- Mechanical Section VI- Technical Specifications Domestic Water Piping

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SECTION 15140 - DOMESTIC WATER PIPING PART 1 - GENERAL

1.1 Scope

This section covers furnishing and installation of domestic water piping and piping accessories above floor within the building and below floor under the building to 1.5 meters outside the building below grade.

Domestic water piping shall be furnished and installed complete with all fittings, jointing materials, hangers, supports, anchors, and other necessary appurtenances.

1.2 References

1.2.1 Except as modified or supplemented herein, all materials required in this section including their installation shall conform to the applicable requirements of the following standards. Standards current at the time of tender shall be used.

1.3 Coordination

Pipe lengths and dimensions furnished shall be coordinated with the lengths for the valves, fittings, and other items to be installed in the piping. All fittings shall have the same diameter and shall be suitable for the pressure to which they will be subjected.

1.4 Submittals


Complete specifications, data, and catalog cuts or drawings covering the domestic water piping and accessories shall be submitted.


1.5.1 Storage and Handling.

Pipe and fittings shall be stored and handled in a manner which will ensure installation in sound, undamaged condition. Handling methods and equipment used shall not damage pipe and fittings.

PART 2 - PRODUCTS

2.1 Materials

2.1.1 Pipes and Fittings

a) Cold Water Piping

(1) Cold Water Lines – for risers, downfeeds& distribution lines shall be Polypropylene (PP-R) Random (Type 3) pipe and fittings PN20, high resistance to pressure and temperature, conforming to DIN specifications DIN 8077 and DIN 8078 or ASTM F 2389, forming polyfusion homogeneous joint.

PART 3 - EXECUTION

3.1 Preparation

3.1.1 Field Measurements

Pipe shall be cut from measurements taken at the site and not from the drawings.


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3.2 Installation

3.2.1 Piping

Pipe shall be installed as specified, as indicated on the drawing or, in the absence of detail piping arrangement, in a manner acceptable to the Owner’s Representative.

The water supply piping at each fixture shall be provided with a shutoff valve and union, whether indicated on the drawings or not, which will permit isolation and disconnection of each item without disturbing the remainder of the system.

A union shall be provided within 600 mm of each threaded end valve unless there are other connections which will permit easy removal of the valve. Unions shall also be provided in piping at locations adjacent to devices or equipment which may require removal in the future and at locations required by the drawings or specifications.

All necessary provisions shall be taken in laying out piping to provide throughout for expansion and contraction. Piping shall be held free of contact with building construction so as not to transmit noise resulting from expansion.

3.2.2 Polypropylene (PP-R) Random (Type 3) Pipe PP-R pipes and fittings must be installed in accordance with the manufacturer’s installation recommendation.

3.2.2 Pipe Joints

Polypropylene (PP-R) Random (Type 3) : The maximum permissible support for (PP-R) spacing shall be as follows:

3.2.4 Water Hammer Arrestors

Water hammer arrestors shall be provided in hot and cold water piping.

3.3 Field Quality Control

3.3.1 Pressure and Leakage Testing

Tests shall be made by and at the expense of the Contractor in the presence, and to the satisfaction of the Owner’s Representative. Each piping system shall be tested for at least one hour with no loss of pressure. Piping shall be tested with water pressure of 100 psi (690 kPa).

Leakage may be determined by loss of pressure, soap solution, chemical indicator, or other positive and accurate method in accordance with AWWA M11 and acceptable to the Owner’s Representative. All fixtures, devices, or other accessories which are to be connected to the lines and which would be damaged if subjected to the specified test pressure shall be disconnected and ends of the branch lines plugged or capped as required during the testing procedures.

d (mm)

Distance between two brackets (cm)

20ºC 30ºC 40ºC 50ºC 60ºC 70ºC

20 25 32 40 50 63 75 90

110

75 85 100 110 130 150 170 180 190

75 85 100 110 125 145 165 175 185

70 85 95 105 115 140 160 170 175

65 80 90 100 110 125 150 165 170

60 75 85 95 105 120 145 160 165

50 65 80 90 100 110 120 130 140


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All necessary testing equipment and materials, including tools, appliances and devices shall be furnished and all tests shall be made by and at the expense of the Contractor and at such time as directed by the Owner’s Representative.

All piping, fittings, joints which are damaged during tests and repairs shall be removed, replaced and retested by the Contractor at no expense to the Owner.

3.4 Cleaning and Disinfection

3.4.1 Cleaning

The inside of all pipes, valves, and fittings shall be smooth, clean, and free from blisters, loose mill scale, sand, dirt, and other foreign matter when erected. The interior of all lines shall be thoroughly cleaned, to the satisfaction of the Owner’s Representative, before being placed in service.

3.4.2 Disinfection

All disinfection work shall conform to the requirements of AWWA C651 and the requirements of the Department of Transportation and Communications. The new pipelines shall be disinfected by either the continuous feed method or the slug method or the tablet method. The chlorinating agent consisting of hypochlorite solution shall be injected into the pipeline at the supply end of each new line or valve section.

During disinfection, all valves shall be operated to ensure that all appurtenances are disinfected. Valves shall be manipulated in such a manner that the strong hypochlorite solution in the line being chlorinated will not flow back into the supply line. Check valves shall be used if required.

Upon completion of chlorination but before sampling and bacteriological testing, all heavily chlorinated water shall be removed from the pipelines by flushing with potable water until the chlorine residual in the pipelines is not higher than generally prevailing in the remainder of the system.

Bacteriological testing of water in the pipelines shall be performed after final flushing. A standard plate count shall be made for each sample.

Should the bacteriological tests indicate the presence of coliform organisms at any sampling point, the pipeline shall be reflushed, resampled and retested. If check samples show the presence of coliform organisms, then the pipeline shall be rechlorinated until results acceptable to the Owner’s Representative are obtained.


PE pipe shall be measured by linear meter and PE pipe fittings shall be measured by the

number of units installed required as shown on the plans and details.








******

Bicol International Airport Development Project Division 15- Mechanical Section VI- Technical Specifications Sanitary Waste and Vent Piping

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SECTION 15150 - SANITARY WASTE AND VENT PIPING

PART 1 - GENERAL

1.1 Scope

This section covers furnishing and installation of sanitary waste and piping, above floor within

the building and below floor under the building to 1.5 meters outside the building below grade.

It also covers furnishing and installation of floor drains, cleanouts, oil interceptors, and grease

interceptor within and under the building.

Sanitary waste and vent piping system shall be furnished and installed complete with all

fittings, jointing materials, hangers, supports, anchors, and other necessary appurtenances.

1.2 References

Except as modified or supplemented herein, all materials required in this section including

their installation shall conform to the applicable requirements of the following standards.

Standards current at the time of tender shall be used.

1.2.1 American National Standard Institute (ANSI)

ANSI A112.21.1M Floor Drains

1.2.2 American Society of Mechanical Engineers (ASME)

ASME A112.36.2M Cleanouts

1.2.3 American Society for Testing and Materials (ASTM)

ASTM D2564 Standard Specification for Solvent Cements for (PVC) Plastic Piping

Systems.

ASTM D2729 Polyvinyl Chloride (PVC) Sewer Pipe and Fittings

ASTM D2855 Standard Practice for Making Solvent-Cemented Joints of Polyvinyl

Chloride (PVC) Plastic Pipe and Fittings.

1.2.4 International Association of Plumbing and Mechanical Officials (IAPMO)

IAPMO PS 8 Oil and Sand Interceptors

1.2.5 Plumbing and Drainage Institute (PDI)

G-101 Grease Traps

1.2.6. American Society of Sanitary Engineers (ASSE)

ASSE 1018 Performance Requirements for Trap Seal Primer Valves Water

Supply Fed

1.3 Coordination

Pipe lengths and dimensions furnished shall be coordinated with the lengths for the fittings,

and other items to be installed in the piping.

1.4 Submittals


Complete specifications, data, and catalog cuts or drawings covering the sanitary waste and

vent piping systems and accessories shall be submitted.


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Pipe and fittings shall be stored and handled in a manner which will ensure installation in

sound, undamaged condition. Handling methods and equipment used shall not damage pipe

and fittings.

PART 2 - PRODUCTS

2.1 Materials

2.1.1 PVC Pipe, Schedule 40

a. Pipe ASTM D2729

b. Fittings ASTM D2729

c. Solvent Cement ASTM D2564

d. Primer ASTM F656

2.1.2 Floor Drain ANSI A112.21.1M.

2.1.3. Cleanout plug ASME A112.36.2M.

2.1.4. Interceptors

a. Oil IAPMO PS 8

b. Grease Interceptor PDI G-101


2.2.1 Service Requirements

a. Polyvinyl Chloride (PVC) pipes shall be used for sanitary waste and vent piping.

b. For Airport Facility

Polyvinyl chloride (PVC) pipes and fittings shall be used below building floor and below grade

to 1.5 meters outside building for sanitary waste and vent piping systems.

2.2.2 Sanitary Waste and Vent Piping

Where cleanouts are required in finished floors or in partition walls, a nickel-bronze access

cover and frame with securing screw shall be installed over the cleanout plug. A cleanout

installed in connection with cast iron oil pipe above building floor and PVC pipe below

building floor and grade shall consist of a long-sweep ¼ bend or one or two 1/8 bend

extended to the place indicated. Cleanouts in finished walls shall have accessed covers and

frames installed with the finished wall.

Sanitary waste piping which is required to be buried beneath floors or underground shall be

PVC, as indicated on the drawing to a point not less than 1.50 metres beyond the outside

face of the structure. All sanitary waste piping buried beneath floors shall be encased in

concrete at least 150mm thick.

2.2.3 Floor Drain

Floor drains with trap primer connections shall be installed as indicated on the drawing.

Types of floor drain shall be as follows:


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Trap primer shall be designed to maintain trap seal and shall automatically supply water to

the floor drains. Trap primer shall be designed in accordance with ASSE 1018.

a. Floor Drain

Floor drain shall be galvanized two piece body with double drainage flange, weep

holes, reversible clamping collar, round, adjustable nickel-bronze strainer and with

polished bronze funnel or anti-splash rim where indicated on drawings.

b. Trench Drain

Cast iron body with medium duty grating. Trench drain shall be cast-in-place.

2.2.4 Cleanouts

Cleanout shall be gas and watertight, and shall be provided with quick and easy plug

removal to allow ample space for cleansing tools.

Cover plate shall be chromium plated bronze flush type for cleanout on pipe concealed in

partitions.

Plug shall be cast iron ferrule with countersunk, screw type; shall be same size as the pipe

up to and including 100mm.

2.2.5 Oil Interceptor

Oil interceptor shall be pre-fabricated coated steel and equipped with a removable sediment

bucket and perforated flow-diffusing baffle. Oil interceptor shall be provided with gastight

cleanout covers which shall be readily accessible. Oil interceptor capacity shall be as

indicated on the drawing.

2.2.6 Grease Interceptor

Grease interceptor shall be if, commercially available, steel with gray duco coating inside

and outside and flow control fitting. Grease interceptor shall be sized in accordance with

PDI-G101 Standard and installed in accordance with manufacturer’s recommendations.

PART 3 - EXECUTION

3.1 Preparation



3.2 Installation

3.2.1 Sanitary Waste and Vent Piping

Sanitary waste and vent piping shall be installed where required and shall, in general,

conform to the locations indicated on the drawings. Horizontal soil and waste pipes, 75mm

and smaller, shall have a grade of 6mm per 300mm, (1/4” per foot) but for drainage pipe

100mm and larger, the slope toward the drainage outlet shall be not less than 3mm per

300mm.

Bell-ups shall be installed with the top rim flush with the floor surface.

Packing box drainage from each pump shall be piped directly from the tapped outlet in the

bearing support bracket to a bell-up.

All vents passing through roofs shall be located at least 250mm from the intersection of a

cant with the roof deck, and shall be adequately flashed as indicated on the drawings.


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3.2.2 Pipe Joints

Installation of pipe and fittings shall be made in accordance with the manufacturer’s

recommendations. Mitering of joints for elbows and notching of straight runs of pipe for tees

will not be permitted. Joints shall be made up with fittings of compatible material and made

for the specific purpose intended.

PVC pipe shall have joints made with solvent cement elastomeric.

3.2.3 Floor Drains

Floor drain shall of types and sizes indicated on the drawings. Floor drains shall be carefully

adjusted to the correct elevation for proper drainage. Except at floor drains having integral

traps, each floor drain shall be provided with “P” trap and trap primer installed as closed to

the drain as possible, where indicated on the drawings.


3.3.1 Testing

Sanitary waste and venting systems shall be tested by filling with water to the level of the

highest vent stack. Openings shall be plugged as necessary. Each system shall hold the

water for 30 minutes without any drop in the water level.

3.4 Cleaning

The inside of all pipe fittings shall be smooth, clean, and free from blisters, loose mill scale,

sand, dirt, and other foreign matter when erected. The interior of all lines shall be thoroughly

cleaned, to the satisfaction of the Owner’s Representative, before being placed in service.


PVC pipe shall be measured by the linear meter and PVC pipe fittings shall be measured by

the number of units installed required as shown on the plans and details.








******

Bicol International Airport Development Project Division 15- Mechanical Section VI- Technical Specifications Submersible Sump Pumps

1 of 3

SECTION 15152 - SUBMERSIBLE SUMP PUMPS

PART 1 – GENERAL

1.1 Scope

This Section covers furnishing and installation of sump pumps at the Bicol International Airport.

The Sump pump shall be furnished and installed complete with all fittings, valves, electrodes and other necessary accessories.

1.2 References



ANSI S2.19 Mechanical Vibration- Balance Quality Requirements of Rigid Rotors, Part 1: Determination of Permissible Residual Unbalance.


ASTM A 27 Steel Castings, Carbon, for General Application

ASTM A 36 Carbon Structural Steel

ASTM C 33 Specifications for Concrete Aggregates

ASTM C150 Specification for Portland Cement

ASTM D2564 Standard Specification for Solvent Cements for (PVC) Plastic Piping Systems.


ASTM D2855 Standard Practice for Making Solvent-Cemented Joints with Polyvinyl Chloride (PVC) Pipe and Fittings.

ASTM F656 Standard Specification for Primers for use in Solvent Cement Joints of Polyvinyl Chloride (PVC) Plastic Pipe and Fittings.

1.3 Coordination

All Equipment included in this section shall be furnished by or through a single manufacturer who shall be responsible for the design, coordination, and the satisfactory performance of all the components over the full operation range.

1.4 Submittals


Complete specifications, data, and catalog cuts or drawings covering the submersible pump and accessories shall be submitted.


The pump will be inspected for damage or other distress when received at the project site. The pump and associated equipment shall be delivered, stored indoors as recommended by the pump manufacturer, protected from construction or weather hazards at the project site. The pump and equipment shall have adequate short-term storage in a covered, dry, and ventilated location prior to installation. The manufacturer’s instructions shall be followed for extended storage. Proper equipment for handling the pump shall be supplied and shall be considered as special tools if not completely standard.


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PART 2 - PRODUCTS

2.1 Materials

2.1.1 Submersible Pump Parts Material

a. Shaft Seal Silicone Carbide

b. Motor Frame Die Cast Aluminum

c. Impeller Special Alloy Rubber

d. Discharge Bore Die Cast Aluminum


2.2.1 Service Requirements for Airport Facility

It is the responsibility of the contractor to supply a pump that will meet the performance and design requirements without undue modifications to the sump as shown on the drawings. Any such modifications shall be at no cost to the Owner and must be received prior approval. The pump shall be capable of discharging capacity at a total dynamic head listed below:

QUANTITY CAPACITY LPS

(GPM) TOTAL DYNAMIC

HEAD,M. (FT.) REMARKS

1 1.0 (15) 7.62(25) DUTY

PART 3 - EXECUTION

3.1 Preparation

Furnish one set of all necessary tools/special tools required to completely assemble, disassemble, or maintain the pumps. Special tools refers to oversized or specially dimensioned tools, special attachment or fixtures, or any similar items.

3.2 Installation

3.2.1 Submersible Sump Pump

Each pump and engine shall be installed in accordance with the written instructions of the manufacturer and under the direct supervision of the manufacturer’s representative or installation engineer. The Contractor shall furnish a competent installation engineer who is knowledgeable and experienced with the installation and start-up procedures for submersible pumps and the associated equipment specified. Installation/erecting engineers provided by this section shall include those from Contractor’s suppliers. When so requested, the installation engineer shall be responsible for providing complete and correct direction during installation, initial starting, and subsequent operation of equipment until field tests are completed. The installation engineer shall initiate instructions for actions necessary for proper receipt, inspection, handling, uncarting, assembly, and testing equipment. The installation engineer shall also keep a record of measurements taken during erection and shall furnish one copy to the Contractor on request or on the completion of the installation of assembly or part. The erecting shall instruct the Contractor or others as designated in the operation and maintenance features of the pump units.


The pump shall be tested at the manufacturer’s shop to demonstrate that the proposed pump operates without instability and complies with specified performance. Instability is defined when any point in usable range of the head-capacity curve cannot be repeated within 3 percent. When this occurs, the test shall be rerun. Test Procedures, except as herein specified, shall be in accordance with applicable provisions of HI 2.6. The temperature of the water used for testing shall be approximately the same for all tests run and shall be recorded during test runs.


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The submersible pump including accessories shall be measured by the number of set required as shown on the plan and detail installed and accepted.








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Bicol International Airport Development Project Division 15- Mechanical Section VI- Technical Specifications Submersible Booster Pump

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SECTION 15154 - SUBMERSIBLE BOOSTER PUMP

PART 1 – GENERAL

1.1 Scope

This Section covers furnishing and installation of booster pump at location indicated on the drawings.

The booster pump shall be furnished and installed complete with all fittings, valves, electrodes and other necessary accessories.

1.2 Coordination

All equipment included in this section shall be furnished by or through a single manufacturer who shall be responsible for the design, coordination, and the satisfactory performance of all the components over the full operation range.

1.3 Submittals


Complete specifications, data, and catalog cuts or drawings covering the submersible pump and accessories shall be submitted.


The pump will be inspected for damage or other distress when received at the project site. The pump and associated equipment shall be delivered, stored indoors as recommended by the pump manufacturer, protected from construction or weather hazards at the project site. The pump and equipment shall have adequate short-term storage in a covered, dry, and ventilated location prior to installation. The manufacturer’s instructions shall be followed for extended storage. Proper equipment for handling the pump shall be supplied and shall be considered as special tools if not completely standard.

PART 2 - PRODUCTS

2.1 General

a. All equipment shall be supplied from reputable firms engaged in the manufacturer of each particular item. The entire assembly as installed shall be given a start-up and test run to prove that all the Specifications have been met before acceptance by the Owner. The test duration shall be 24 hours. Submittal of the Certificate of Test to the Owner shall be a condition of final payment.

b. The Specifications stated herein are basic guides only. Other items not so indicated but

which are obviously necessary for the proper operation of system as intended shall be supplied in accordance with accepted engineering standards.

c. The equipment shall be guaranteed for a period of at least one year of trouble free

operation. The supplier of equipment shall certify to the availability of spare parts locally and service in case of system breakdowns within a period of at least three years. Manuals of operation and maintenance and lists of spare parts shall be supplied together with the equipment. Submittal of Warranty Certificate shall be a condition for final payment.

d. The supplier shall submit at least two copies of pump performance curves showing,

among others, the pump rating and pump efficiency properly marked thereon.


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e. Accessories to be supplied for each pump shall include one non-slam type check valve and two (2) gate valves, of size equal to the size of pump discharge and suction, rated 150 psi. Also, one pressure gauge for each set of pumps and pipe fittings necessary for complete installation shall be provided. The pressure gauge shall be 100 mm face diameter and shall be reading from 0 psi (or 0 kg/cm2) to 100 psi (or 7 kg/cm2).

f. Price quoted shall include cost of delivery of all quoted items to the jobsite. Pump and motor installation dimension drawings shall be submitted together with the quotation.

g. The brands, names and place of manufacture of pump, motor, valves, controls and all

accessories where applicable shall be indicated in the quotation. Also, a description of pump impellers being offered shall be included.

h. A metal nameplate indicating in indelible letters the correct Specifications of the pump

and motor shall be properly attached to the assembly at a location such that the information written thereon can be conveniently read by all concerned.

i. Separate price shall be quoted for installation work, preparation and submittal of as-

installed Drawings.

2.2 PUMPING EQUIPMENT

2.2.1 Variable Speed Booster System

a. Scope

Supply and installation of a pre-fabricated and tested variable speed packaged system to maintain constant water delivery pressure.

b. Pumps

The pumps shall be in-line vertical multi-stage centrifugal pumps with one external frequency converter. The unit shall be rated for a total system capacity of 250 GPM at a discharge head of 150 feet when supplied with a working suction head of 1 foot. Each pump shall be sized as indicated:

Triplex System

Pump P1 = 50 GPM

Pump P2 = 100 GPM

Pump P3 = 100 GPM (Stand-by Unit)

The head-capacity curve shall have a steady rise in head from maximum to minimum flow within the preferred operating region. The shut-off head shall be a minimum of 20% higher than the head at the best efficiency point. The pumps shall have the following features: (i) The pump impellers shall be secured directly to the pump shaft by means of

a splined shaft arrangement.

(ii) The suction/discharge base shall have ANSI Class 250 flange or internal pipe thread (NPT) connections as determined by the pump station manufacturer.

(iii) Pump Construction.

Suction/discharge base, pump head, motor stool Cast iron (Class 30)


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Impellers, diffuser chambers, outer sleeve: 304 Stainless Steel Shaft: 316 or 431 Stainless Steel Impeller wear rings: 304 Stainless Steel Shaft journals and chamber bearings: Silicon Carbide O-rings: EPDM

Shaft couplings for motor flange sizes 184TC and smaller shall be made of cast iron or sintered steel. Shaft couplings for motor flange sizes larger than 184TC shall be made of ductile iron (ASTM 60-40-18).

(iv) The shaft seal shall be a balanced o-ring cartridge type with the following features:

Collar, Drivers, Spring: 316 Stainless Steel Shaft Sleeve, Gland Plate: 316 Stainless Steel Stationary Ring: Silicon Carbide Rotating Ring: Silicon Carbide O-rings: EPDM

The Silicon Carbide shall be imbedded with graphite.

(v) Shaft seal replacement shall be possible without removal of any pump components other than the coupling guard, shaft coupling and motor. The entire cartridge shaft seal shall be removable as a one piece component. Pumps with motors equal to or larger than 15 hp (fifteen horsepower) shall have adequate space within the motor stool so that shaft seal replacement is possible without motor removal.

c. Variable Frequency Drive

(i) The VFD shall convert incoming fixed frequency single-phase or three-phase AC power into a variable frequency and voltage for controlling the speed of three-phase AC induction motors. The VFD shall be a six-pulse input design, and the input voltage rectifier shall employ a full wave diode bridge; VFD’s utilizing controlled SCR rectifiers shall not be acceptable. The output waveform shall closely approximate a sine wave. The VFD shall be of a PWM output design utilizing current IGBT inverter technology and voltage vector control of the output PWM waveform.

(ii) The VFD shall include a full-wave diode bridge rectifier and maintain a

displacement power factor of near unity regardless of speed and load.

(iii) The VFD shall produce an output waveform capable of handling maximum motor cable distances of up to 1,000 ft. (unshielded) without tripping or derating.

(iv) The VFD shall utilize an output voltage-vector switching algorithm, or

equivalent, in both variable and constant torque modes. VFD’s that utilize Sine-Coded PWM or Look-up tables shall not be acceptable.

(v) VFD shall automatically boost power factor at lower speeds.

(vi) The VFD shall be able to provide its full rated output current continuously at

110% of rated current for 60 seconds.


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(vii) An empty pipe fill mode shall be available to fill an empty pipe in a short period of time, and then revert to the PID controller for stable operation.

(viii) Switching of the input power to the VFD shall be possible without interlocks

or damage to the VFD at a minimum interval of 2 minutes.

(ix) Switching of power on the output side between the VFD and the motor shall be possible with no limitation or damage to the VFD and shall require no additional interlocks.

(x) The VFD shall have temperature controlled cooling fans for quiet operation,

minimized internal losses, and greatly increased fan life.

(xi) VFD shall provide full torque to the motor given input voltage fluctuations of up to +10% to -15% of the rated input voltage.

(xii) The VFD shall provide internal DC link reactors to minimize power line

harmonics and to provide near unity power factor. VFD’s without a DC link reactor shall provide a 5% impedance line side reactor.

(xiii) VFD to be provided with the following protective features:

VFD shall have input surge protection utilizing MOV’s, spark gaps,

and Zener diodes to withstand surges of 2.3 times line voltage for 1.3 msec.

VFD shall include circuitry to detect phase imbalance and phase loss

on the input side of the VFD.

VFD shall include current sensors on all three-output phases to detect and report phase loss to the motor. The VFD will identify which of the output phases is low or lost.

VFD shall auto-derate the output voltage and frequency to the motor

in the presence of sustained ambient temperatures higher than the normal operating range, so as not to trip on an inverter temperature fault. The use of this feature shall be user-selectable and a warning will be exported during the event. Function shall reduce switching frequency before reducing motor speed.

VFD shall auto-derate the output frequency by limiting the output

current before allowing the VFD to trip on overload. Speed can be reduced, but not stopped.

The VFD shall have the option of an integral RFI filter. VFD

enclosures shall be made of metal to minimize RFI and provide immunity.

(xiv) VFD to be provided with the following interface features:

VFD shall provide an alphanumeric backlit display keypad, which

may be remotely mounted using standard 9-pin cable. VFD may be operated with keypad disconnected or removed entirely. Keypad may be disconnected during normal operation without the need to stop the motor or disconnect power to the VFD.

VFD shall display all faults in plain text; VFD’s, which can display

only fault codes, are not acceptable.


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All VFD’s shall be of the same series, and shall utilize a common control card and LCP (keypad/display unit) throughout the rating range. The control cards and keypads shall be interchangeable through the entire range of drives used on the project.

VFD keypad shall be capable of storing drive parameter values in

non-volatile RAM uploaded to it from the VFD, and shall be capable of downloading stored values to the VFD to facilitate programming of multiple drives in similar applications, or as a means of backing up the programmed parameters.

A red FAULT light, a yellow WARNING light and a green POWER-

ON light shall be provided. These indications shall be visible both on the keypad and on the VFD when the keypad is removed.

A start guide menu with factory preset typical parameters shall be

provided on the VFD to facilitate commissioning.

VFD shall provide full galvanic isolation with suitable potential separation from the power sources (control, signal, and power circuitry within the drive) to ensure compliance with PELV requirements and to protect PLC’s and other connected equipment from power surges and spikes.

All inputs and outputs shall be optically isolated. Isolation boards

between the VFD and external control devices shall not be required.

There shall be three programmable digital inputs for interfacing with the systems external control and safety interlock circuitry. An additional digital input is preprogrammed for start/stop.

The VFD shall have two analog signal inputs. One dedicated for

sensor input and one for external set point input.

One programmable analog output shall be provided for indication of a drive status.

The VFD shall provide two user programmable relays with selectable

functions. Two form ‘C’ 230VAC/2A rated dry contact relay outputs shall be provided.

The VFD shall store in memory the last 5 faults with time stamp and

recorded data.

The VFD shall be equipped with a standard RS-485 serial communications port for communication to the multi-pump controller. The bus communication protocol for the VFD shall be the same as the controller protocol.

(xv) VFD service conditions:

Ambient temperature operating range, -10 to 45ºC (14 to 113F).

0 to 95% relative humidity, non-condensing.

Elevation to 1000 meters (3,300 feet) without derating.


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VFD’s shall be rated for line voltage of 380 to 480VAC; with +10% to -15% variations. Line frequency variation of ± 2% shall be acceptable.

No side clearance shall be required for cooling of the units.

d. Fixed Speed Motors

(i) Fixed Speed Motors are to be provided with the following basic features: (ii) Designed for continuous duty operation, NEMA design B with a 1.15 service

factor. (iii) Totally Enclosed Fan Cooled or Open Drip Proof with Class F insulation. (iv) Nameplate shall have, as a minimum, all information as described in NEMA

Standard MG 1-20.40.1. (v) Motors shall have a NEMA C-Flange for vertical mounting. 5. Drive end bearings shall be adequately sized so that the minimum L10 bearing

life is 17,500 hours at the minimum allowable continuous flow rate for the pump.

e. Pump System Controller

(i) The pump system controller shall be a standard product developed and supported by the pump manufacturer.

(ii) The controller shall be microprocessor based capable of having software changes and updates via personal computer (notebook). The controller user interface shall have a VGA display with a minimum screen size of 3-1/2” x 4-5/8” for easy viewing of system status parameters and for field programming. The display shall have a back light with contrast adjustment. Password protection of system settings shall be standard.

(iii) The controller shall provide internal galvanic isolation to all digital and analog inputs as well as all fieldbus connections.

(iv) The controller shall display the following as status readings from a single display on the controller (this display shall be the default): Current value of the control parameter, (typically discharge pressure) Most recent existing alarm (if any) System status with current operating mode Status of each pump with current operating mode and rotational

speed as a percentage (%)

(v) The controller shall have as a minimum the following hardware inputs and outputs:

Three analog inputs (4-20mA or 0-10VDC) Three digital inputs Two digital outputs Ethernet connection Field Service connection to PC for advanced programming and data

logging


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(vi) Pump system programming (field adjustable) shall include as a minimum the following:

Water shortage protection (analog or digital) Transducer Settings (Suction and Discharge Analog supply/range) PI Controller (Proportional gain and Integral time) settings High system pressure indication and shut-down Low system pressure indication and shut-down Low suction pressure/level shutdown (via digital contact) Low suction pressure/level warning (via analog signal) Low suction pressure/level shutdown (via analog signal) Flow meter settings (if used, analog signal)

(vii) The system controller shall be able to accept up to seven programmable set-points via a digital input, (additional input/output module may be required).

(viii) The controller shall have advanced water shortage protection. When analog sensors (level or pressure) are used for water shortage protection, there shall be two indication levels. One level is for warning indication only (indication that the water level/pressure is getting lower than expected levels) and the other level is for complete system shut-down (water or level is so low that pump damage can occur). System restart after shut-down shall be manual or automatic (user selectable).

(ix) The system pressure set-point shall be capable of being automatically adjusted by using an external set-point influence. The set-point influence function enables the user to adjust the control parameter (typically pressure) by measuring an additional parameter. (Example: Lower the system pressure set-point based on a flow measurement to compensate for lower friction losses at lower flow rates).

(x) The controller shall be capable of receiving a remote analog set-point (4-20mA or 0-10 VDC) as well as a remote system on/off (digital) signal.

(xi) The pump system controller shall store up to 24 warning and alarms in memory. The time, date and duration of each alarm shall be recorded. A potential-free relay shall be provided for alarm notification to the building management system. The controller shall display the following alarm conditions:

High System Pressure Low system pressure

Low suction pressure (warning and/or alarm) Individual pump failure

VFD trip/failure Loss of sensor signal (4-20 mA)

Loss of remote set-point signal (4-20mA) System power loss

(xii) The pump system controller shall be mounted in a UL Type 3R rated enclosure. A self-certified NEMA enclosure rating shall not be considered equal. The entire control panel shall be UL 508 listed as an assembly. The control panel shall include a main disconnect, circuit breakers for each pump and the control circuit and control relays for alarm functions.


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Control panel options shall include, but not be limited to:

Pump Run Lights Pump Alarm Lights

System Fault Light Audible Alarm (80 db[A])

Surge Arrestor Control Panel Internal Illumination

Emergency/Normal Operation Switches Service Disconnect Switches

(xiii) The controller shall be capable of receiving a redundant sensor input to function as a backup to the primary sensor (typically discharge pressure).

(xiv) The controller shall have a pump “Test Run” feature such that pumps are switched on during periods of inactivity (system is switched to the “off” position but with electricity supply still connected). The inoperative pumps shall be switched on for a period of two to three (2-3) seconds every 24 hours, 48 hours or once per week (user selectable).

(xv) The actual pump performance curves (5th order polynomial) shall be loaded (software) into the pump system controller.

f. Hydropneumatic Presure Tank

A 350 gallon nominal (or as recommended by pump manufacturer) bladder- type (“bag type”) carbon steel hydropneumatic pressure tank, designed to ASME Code and stamped 200 psi working pressure shall be furnished mounted and piped at the factory. The bladder shall be made of heavy duty butyl rubber and FDA approved for potable water applications.

g. Sequence of Operation

The system controller shall operate from two to six equal capacity pumps and one Variable Frequency Drive (VFD) to maintain a constant discharge pressure (system set-point). The system controller shall receive an analog signal [4-20mA] from the factory installed pressure transducer on the discharge manifold, indicating the actual system pressure. When a flow demand is detected (drop in system pressure) the VFD controlled pump shall start first. As flow demand increases, the speed of the VFD controlled pump shall be increased to maintain the system set-point pressure. When the VFD controlled pump cannot maintain the system set-point as flow increases (pressure starts to drop below system set-point), an additional pump will be started Direct-On-Line (DOL). The VFD controlled pump shall immediately adjust speed to maintain the system set-point. Additional DOL pumps shall be started as flow demand increases. As flow demand decreases, the pump speed shall be reduced while system set-point pressure is maintained. The system controller shall switch off DOL operated pumps as required with decreasing flow.

The system controller shall be capable of switching pumps on and off to satisfy system demand without the use of flow switches, motor current monitors or temperature measuring devices.

h. Low Flow Stop Function

The system controller shall be capable of stopping pumps during periods of low-flow or zero-flow without wasting water or adding unwanted heat to the liquid. Temperature based no flow shut-down methods that have the potential to waste water and add unwanted temperature rise to the pumping fluid are not acceptable.


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Standard Low Flow Stop and Energy Saving Mode

If a low or no flow shut-down is required (periods of low or zero demand) a bladder type diaphragm tank shall be installed with a pre-charge pressure of 70% of system set-point. The tank shall be piped to the discharge manifold or system piping downstream of the pump system. When only one pump is in operation the system controller shall be capable of detecting low flow (less than 10% of pump nominal flow) without the use of additional flow sensing devices. When a low flow is detected, the system controller shall increase pump speed until the discharge pressure reaches the stop pressure (system set-point plus 50% of programmed on/off band). The pump shall remain off until the discharge pressure reaches the start pressure (system set-point minus 50% of programmed on/off band). Upon low flow shut-down a pump shall be restarted in one of the following two ways:

(i) Low Flow Restart: If the drop in pressure is slow when the start pressure is reached (indicating the flow is still low), the pump shall start and the speed shall again be increased until the stop pressure is reached and the pump shall again be switched off.

(ii) Normal Flow Restart: If the drop in pressure is fast (indicating the flow is greater than 10% of pump nominal flow) the pump shall start and the speed shall be increased until the system pressure reaches the system set-point.

It shall be possible to change from the standard low flow stop to the optional low flow stop (and vice-versa) via the user interface.

i. System Construction

(i) The suction and discharge manifolds shall be constructed of 316 stainless steel. Manifold connection sizes shall be as follows:

3 inch and smaller: Male NPT threaded

4 inch through 8 inch: ANSI Class 150 rotating flanges

10 inch and larger: ANSI Class 150 flanges

(ii) Pump Isolation valves shall be provided on the suction and discharge of each pump. Isolation valve sizes 2 inch and smaller shall be nickel plated brass full port ball valves. Isolation valve sizes 3 inch and larger shall be a full lug style butterfly valve. The valve disk shall be of stainless steel. The valve seat material shall be EPDM and the body shall be cast iron, coated internally and externally with fusion-bonded epoxy.

(iii) A spring-loaded non-slam type check valve shall be installed on the discharge of each pump. The valve shall be a wafer style type fitted between two flanges. The head loss through the valve shall not exceed 5 psi at the pump design capacity. Check valves 1-1/2” and smaller shall have a POM composite body and poppet, a stainless steel spring with EPDM or NBR seats. Check valves 2” and larger shall have a body material of stainless steel or epoxy coated iron (fusion bonded) with an EPDM or NBR resilient seat. Spring material shall be stainless steel. Disk shall be of stainless steel or leadless bronze.


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(iv) For systems that require a diaphragm tank, a minimum diaphragm tank connection size of ¾” shall be provided on the discharge manifold.

(v) A pressure transducer shall be factory installed on the discharge manifold (or

field installed as specified on plans). Systems with positive inlet gauge pressure shall have a factory installed pressure transducer on the suction manifold for water shortage protection. Pressure transducers shall be made of 316 stainless steel. Transducer accuracy shall be +/- 1.0% full scale with hysteresis and repeatability of no greater than 0.1% full scale. The output signal shall be 4-20 mA with a supply voltage range of 9-32 VDC.

(vi) A bourdon tube pressure gauge, 2.5 inch diameter, shall be placed on the suction and discharge manifolds. The gauge shall be liquid filled and have copper alloy internal parts in a stainless steel case. Gauge accuracy shall be 2/1/2 %. The gauge shall be capable of a pressure of 30% above it’s maximum span without requiring recalibration.

(vii) Systems with a flooded suction inlet or suction lift configuration shall have a factory installed water shortage protection device on the suction manifold.

(viii) The base frame shall be constructed of corrosion resistant 304 stainless steel. Rubber vibration dampers shall be fitted between each pump and baseframe to minimize vibration.

(ix) Depending on the system size and configuration, the control panel shall be mounted in one of the following ways:

On a 304 stainless steel fabricated control cabinet stand attached to the system skid

On a 304 stainless steel fabricated skid, separate from the main system skid

On it’s own base (floor mounted with plinth)

j. Testing

(i) The entire pump station shall be factory performance tested as a complete unit prior to shipment. Job-site programming shall be entered into the controller prior to shipment (details of installation requirements shall be communicated to the pump system manufacturer). A verified performance test report shall be made available from the system manufacturer.

(ii) The system shall undergo a hydrostatic test of 350 psig for a minimum of 15

minutes prior to shipment.

k. Warranty

(i) The warranty period shall be a non-prorated period of 24 months from date of installation, not to exceed 30 months from date of manufacture.

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Bicol international Airport Development Project Division 15 – Mechanical Section VI- Technical Specifications Storm Drainage Piping

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SECTION 15160 - STORM DRAINAGE PIPING

PART 1 - GENERAL

1.1 Scope

This section covers furnishing and installation of storm drainage piping above floor within the building and below floor under the building to 1.5 m (5’-0”) outside the building below grade.

Storm drainage piping and roof drains shall be furnished and installed complete with all fittings, jointing materials, hangers, supports, anchors, and other necessary appurtenances.

1.2 References



ANSI A112.21.2M Roof Drains

ANSI A112.36.2M Cleanouts


ASTM C14 Standard Specification for Concrete Sewer, StormDrain and Culvert Pipe

ASTM C33 Specification for Concrete Aggregates

ASTM C76 Standard Specification for Reinforced Concrete Sewer, Storm Drain and Culvert Pipe

ASTM C150 Specification for Portland Cement

ASTM D2564 Standard Specification for Solvent Cements for (PVC) Plastic Piping Systems.


ASTM D2855 Standard Practice for Making Solvent-Cemented Joints with Poly Vinyl Chloride (PVC) Pipe and Fittings.

ASTM F656 Standard Specification for Primers for Use in Solvent Cement Joints of Polyvinyl Chloride) (PVC) Plastic Pipe and Fittings.

1.3 Coordination

Pipe lengths and dimensions furnished shall be coordinated with the lengths for the fittings, and other items to be installed in the piping.

1.4 Submittals


Complete specifications, data, and catalog cuts or drawings covering the storm drainage piping and accessories shall be submitted.



Pipe and fittings shall be stored and handled in a manner which will ensure installation in sound, undamaged condition. Handling methods and equipment used shall not damage pipe and fittings.


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PART 2 - PRODUCTS

2.1 Materials

2.1.1 PVC pipe

a. Pipe ASTM D2729

b. Fittings ASTM D2729

c. Solvent Cement ASTM D2564

d. Primer ASTM F656

2.1.2 Concrete Drain Pipe ASTM C14

2.1.3 Reinforced Concrete Drain Pipe ASTM C76

2.1.4 Roof Drain ANSI A112.21.2M

2.1.5 Cleanout ANSI A112.36.2M


2.2.1 Service Requirements for Airport Facility

a. Interior Drainage

Storm drainage piping and fittings shall be unplasticized polyvinyl chloride (PVC), series 1000 for downspouts and drainage lines inside the building. These shall be used below building floor and below grade to 5’-0” outside the building. The pipe and fittings shall be homogeneous throughout and free of visible cracks, holes (except for perforations as specified), foreign inclusions, or other injurious defects. The pipe shall be as uniform as uniform as commercially practicable in color, opacity, density, and other physical properties.

b. Exterior Drainage (non-traffic type)

Design requirements shall be in accordance with ASTM C14. Wall thickness used may be more than but not less than the value prescribed by ASTM C14, except as affected by the tolerance herein specified and by the provision for modified design. Manufacturers may submit to the Owner of approval, prior to manufacture, wall thickness other than those required by the aforementioned standard.

c. Exterior Drainage (traffic type)

Compressive strength of the concrete, and the area of the circumferential reinforcement shall be as prescribed for Classes I to V in accordance with ASTM C76. If permitted by the Owner, the manufacturer may request approval by the Owner of modified designs that differ from the designs as indicated in ASTM C76. Such modified or special designs shall be based on rational or empirical evaluations of the ultimate strength and cracking behavior of the pipe and shall fully describe to the Owner any deviations from the requirements of ASTM C76. The manufacturer shall submit to the owner proof of the adequacy of the proposed modified or special design.

PART 3 - EXECUTION

3.1 Preparation



3.2 Installation

3.2.1 PVC pipe Joints

Pipe joints shall be carefully and neatly made in accordance with the requirements as follows:


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Solvent Welded.

All joint preparation, cutting, and jointing operations shall comply with the pipe manufacturer’s recommendation and ASTM D2855. Pipe ends shall be bevelled or assembled joints. Shall be suitably blocked or restrained to prevent movement during the set time recommended by the manufacturer.

3.2.2 Concrete Pipe Joints

The joints shall be such design and the ends of the concrete pipe sections so formed, that when the sections are laid together they will make a continuous line of pipe with a smooth interior free from appreciable irregularities in the flow line, all compatible with the permissible variations as prescribed in ASTM C76, section 13.

3.2.3 Roof Drains

Roof drains shall be of the types and sizes indicated on the drawings and shall have threaded or spigot outlets depending on the type of conductor pipes used. Roof drains in precast concrete shall be equipped with suitable deck clamps. Roof drains shall be securely and rigidly attached to the roof decks to prevent movement and shall be set at proper level for flashing and drainage.

3.2.4 Cleanouts

ANSI A112.36.2M; provide threaded bronze or thermoplastic or PVC plastic cleanout plugs.


Testing Storm drainage piping shall be tested by filling with water at the highest level. Openings shall be plugged as necessary. Piping shall hold the water for 30 minutes without any drop in the water level.

3.4 Cleaning

The inside of all pipes and fittings shall be smooth, clean, and free from blisters, loose mill scale, sand, dirt, and other foreign matter when erected. The interior of all lines shall be thoroughly cleaned, to the satisfaction of the Owner’s representative, before being placed in service.


PVC pipe shall be measured by the linear meter, PVC pipe fittings, roof strainer, junction box, trench drain, area drain and ceiling outlet shall be measured by the number of units installed required as shown on the plan and detail.








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Bicol International Airport Development Project Division 15 – Mechanical Section VI- Technical Specifications Plumbing Fixtures

1 of 3

SECTION 15440 - PLUMBING FIXTURES

PART 1- GENERAL

1.1 SCOPE

This specification covers the furnishing of materials and labor necessary to complete the installation of all toilet and bath fixtures as shown on drawings and as specified herein.

1.2 SUBMITTALS

1.2.1 Manufacturer's Catalog Data

Submit for each type of fixture specified. Include descriptions of materials, finishes, fastenings and anchoring devices, and appurtenances.

1.2.2 Samples

Submit one of each type of accessory complete with appurtenances and finished as specified. Approved samples may be installed in the work provided each sample labeled for identification and location recorded.

1.3 DELIVERY AND STORAGE

Deliver materials to the site in unopened containers, labeled with the manufacturer's names and brands, ready for installation. Store accessories in safe, dry locations until needed for installation.

PART 2 - PRODUCTS

2.1 MATERIALS AND FINISHES

This specifications covers all plumbing fixtures made from a mixture of white burning clays and finely ground minerals, the wares are subjected to a high temperature rendering them incapable of adsorbing liquid, when unglazed, does not have a mean value of water absorption greater than a 5% of the dry weight making it sanitary and odorless. It is than coated on all exposed surfaces with an impervious non-crazing vitreous glaze giving it a permanent colored finish and retains high quality gloss resistant to acids and alkaus making it easy to maintain.

2.2 MANUFACTURED UNITS

2.2.1 Water Closets

Water Closets shall be elongated 4.8 LPF top-inlet flush valve type water closet with seat and cover and floor flange.

2.2.2 Urinals

Urinals shall be wall-hung urinal supplied with spreader. 2.2.3 Lavatory

Lavatory shall be under the counter wash basin.


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2.2.4 Water Closet Flush Valve

6 LPF flush valve fitting for water closet with Ø 1 ¼” vacuum breaker with brass spud.

2.2.5 Urinal Flush Valve

3.8 LPF flush valve fitting for urinal with Ø 3/4” vacuum breaker with bushing reducer.

2.2.6 Floor drain - 100mm x 100mm stainless steel. 2.2.7 Pantry Sink - 500mm x 400mm x 100mm stainless steel.. 2.2.8 Faucet

Faucet shall be single-lever basin mixer supplied with complete fittings..

2.2.9 Toilet Paper Holder

Toilet paper holder with cover shall be stainless steel.

2.2.10 Soap Dispenser

Liquid soap dispenser shall be stainless steel vertical type wall mounted.

2.2.11 Hand Dryer

Auto hand dryer (AC220V/60Hz).

2.2.12 Grab Bar

L-type anti-bacterial ABS grab bar (600x600mm).

PART 3 - EXECUTION

3.1 INSTALLATION

Surfaces of fastening devices exposed after installation shall have the same finish as the attached fixtures. Exposed screw heads shall be oval. Install fixtures at the location and height as shown in the drawings. Protect exposed surfaces of accessories with strippable plastic or by other means until the installation is accepted. Coordinate fixture manufacturer's mounting details with other trades as their work progress. After installation, thoroughly clean exposed surfaces and restore damaged work to its original condition or replace with new work.

3.1.2 Surface Mounted Accessories

Mounting on concealed back-plates shall have concealed fasteners. Unless indicated or specified otherwise, install fixtures with sheet metal screws or wood screws in lead-lined braided jute, teflon or neoprene sleeves, or lead expansion shield, or other approved fasteners as required by the construction. Install back-plates in the same manner, or provide with lugs or anchors set in mortar, as required by the construction.


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The quantities to be paid for shall be the number of plumbing fixtures, whichever is called for in the contract, installed, complete and accepted.


The quantities determined as provided in Method of Measurement, shall be paid for at the contract unit price, respectively for each of the Pay Items listed below and shown in the Bill of Quantities, which price and payment shall be full compensation for furnishing and placing all materials, including all labor, equipment, tools and incidentals necessary to complete the work prescribed in this Section.


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Division 15 – Mechanical (HVAC)

Bicol International Airport Development Project Division 15 – Mechanical Section VI- Technical Specifications Mechanical General Requirements

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SECTION 15011 - MECHANICAL GENERAL REQUIREMENTS PART 1 - GENERAL 1.1 APPLICATION This section applies to all sections of Division 15, "Mechanical" of this project. 1.2 SUBMITTALS

Submit shop drawings, manufacturers data and certificates for equipment and materials where specified in each individual section, and obtained approval before procurement, fabrication, or delivery of the items to the job site. Submittals shall include the manufacturer's name, trade name, catalog model or number, nameplate data, size, layout dimensions capacity, project specification and paragraph reference, applicable industry, and technical society publication necessary to establish contract compliance of each item the Contractor proposes to furnish.

1.2.1 Shop Drawings

Drawings shall be a minimum of 350 mm by 500 mm in size, with a minimum scale of 1:100 meters, except as views, wiring diagrams, and installation details of equipment; and equipment spaces identifying and indicating proposed location, layout and arrangement of items of equipment, control panels, accessories, piping, ductwork, and other items that must be shown to assure a coordinated installation. Drawings shall indicate adequate clearance for operation, maintenance, and replacement of operating equipment devices.

1.2.2 As-Built (Record) Working Drawings

After completion, but before final acceptance of the work, furnish a complete set of working drawings of each system for record purposes. Drawings shall not be smaller than 762 mm x 1067 mm (30 inches x 40 inches) reproducible drawings with title block similar to full size contract drawings.

1.2.3 Manufacturer’s Data

Submittals for each manufactured item shall be manufacturer's descriptive literature of cataloged products, equipment drawings, diagrams, performance and characteristic curves, and catalog cuts.

1.2.4 Standards Compliance

When materials or equipment must conform to the standards of organizations such as the American National Standards Institute (ANSI), American Society for Testing and Materials (ASTM), National Electrical Manufacturers Association (NEMA), NFPA, American Society of Mechanical Engineers (ASME), American Refrigeration Institute (ARI), and Underwriters Laboratories (UL), proof of such conformance shall be submitted to the Engineer for approval. If an organization uses a label or listing to indicate compliance with a particular standard, the label or listing will be acceptable evidence.

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