please acknowledge receipt of this addendum no. 01 on the

CITY OF WESTERVILLE Water Treatment Plant Filter Valving Replacement

Project No. 2020-401

Addendum No. 01 May 12, 2020

Bids for the construction of the Water Treatment Plant Filter Valving Replacement (Project No. 2020-401), will be received by the City of Westerville, Ohio until the closing date and time of 3:00 p.m. (local time) on Wednesday, May 20, 2020 and will be publicly opened and read immediately thereafter.

Addendum No. 01

Please acknowledge receipt of this Addendum No. 01 on the Bid Schedule submitted with your sealed Bid

1. Project Manual Bidding Requirements and Forms, Information to Bidders

Add: PUBLIC HEALTH AND COVID-19 PROTOCOLS

In performing the WORK, the CONTRACTOR and their SUBCONTRACTORS shall stay fully informed of and comply with all applicable laws, rules, regulations, codes, ordinances, orders and decrees of authorities having any jurisdiction or authority that affects those engaged or employed on the Work, including but not limited to health protocols related to the COVID-19 pandemic. All CONTRACTORS and SUBCONTRACTORS providing on-site services shall be required to adhere to Ohio Department of Health guidelines for the protection of employees, the OWNER, and the community (https://coronavirus.ohio.gov/wps/portal/gov/covid-19/home), as well as the guidance of the CDC (https://www.cdc.gov/coronavirus/2019-ncov/community/guidance-business-response.html); also reference OSHA fact sheets: https://www.osha.gov/Publications/OSHAFS-3747.pdf and https://www.osha.gov/Publications/OSHA3990.pdf.

2. Project Manual Supplemental Specifications

Delete: TABLE 01 14 16-B SCHEDULE OF SHUTDOWNS Add: TABLE 01 14 16-B SCHEDULE OF SHUTDOWNS, attached.


Delete: SECTION 40 05 53 PROCESS VALVES in its entirety. Add: SECTION 40 05 53 PROCESS VALVES, attached.





Delete: SECTION 40 70 05 PRIMARY SENSORS AND FIELD INSTRUMENTS in its entirety.

Add: SECTION 40 70 05 PRIMARY SENSORS AND FIELD INSTRUMENTS, attached. 5. Plans

Delete: DRAWING M-04 in its entirety. Add: DRAWING M-04 attached.

6. Plans

Delete: DRAWING E-03 in its entirety. Add: DRAWING E-03 attached.

7. REQUEST FOR INFORMATION: The following is in response to RFIs received by the City of

Westerville, Ohio.

Q: Is there a possibility of a site visit for this project? A: Unfortunately, we are not able to accommodate site visits due to the COVID-19

pandemic/emergency. In place of site visits we have posted three (3) videos to our website (https://www.westerville.org/government/procurement-opportunities/current-opportunities) detailing access, the filter gallery first floor and filter gallery basement.

Q: Is it possible to obtain photos of the filter gallery basement valves. A: Photos have been attached. Q: Can the prime contractor place a drop box for tools and material storage? A: Yes. Q: When is a contract award anticipated? A: Staff anticipates bringing a contract award recommendation to City Council for consideration in

June. Please note, consistent with the Project Manual, that the City may hold the bids for 60




days after the actual Bid Closing Date and Time, and may award the Contract at any time during that period.

Q: Is it possible to obtain a list of document takers? A: Yes, a list of document takers from the City’s Bonfire Procurement Portal has been attached. Q: Is it possible to obtain a copy of the digital sign-in sheet from the May 6 Pre-Bid Conference? A: Yes, the sign-in sheet has been attached. Q: Is the contractor responsible to remove the Pneumatic System associated with the valves

being replaced, or are we to just cap in-place ? A: See Plans page G-02 Demolition notes #8-10. The pneumatic operating system associated with

each valve shall be removed. The drain gate air supply line is to be capped at the floor level. For the basement pneumatic valves, solenoid valves and appurtenances shall be removed and the air supply lines capped.

Q: Can you give a distance from the Clearwell Access Hatches to the location of where the

Closure Plates are located ? And also how deep is this area from the top on the access hatch to the work space floor?

A: The north closure plate is 6 feet south of the north access hatch. The south closure plate is

approximately 90 feet north of the south hatch. From the top of the access hatches to the floor is approximately 22 feet down.

Q: Are all 4 Slide Gates being replaced at the same time, within the 72 hours down time shown

as item H on the schedule? A: No, all four slide gates cannot be taken out of service at the same time. Table 01 14 16-B

shutdown No. H addresses this. One filter drain gate at a time is out of service and available to the contractor for up to 72 hours to remove and replace, with the remaining three filters (drain gates) in service.

This ADDENDUM modifies the CONTRACT DOCUMENTS. All BIDDERS shall govern themselves accordingly and note the changes listed above. End of Items

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Westerville, Ohio CIP 2020-401 PROCESS VALVES WTP Filter Valving Replacement Addendum No. 1 Arcadis Project 30002315 40 05 53-1

SECTION 40 05 53

PROCESS VALVES

PART 1 - GENERAL

1.1 DESCRIPTION

A. Scope: 1. CONTRACTOR shall provide all labor, materials, equipment, and incidentals

as shown, specified, and required to furnish and install process valves, four-inch diameter and larger, and appurtenances, complete and operational.

2. Valves for digester gas and air have been specifically identified. All other valves are for liquid service.

B. Coordination: 1. Review installation procedures under this and other Sections and coordinate

installation of items that must be installed with or before process valves Work.

C. Related Sections: 1. Section 05 05 33, Anchor Systems. 2. Section 09 91 00, Painting. 3. Section 40 05 05, Exposed Piping Installation. 4. Section 40 05 17, Copper Process Pipe. 5. Section 40 70 05, Primary Sensors and Field Instruments.

1.2 REFERENCES

A. Standards referenced in this Section are listed below: 1. American Bearing Manufacturers Association (ABMA). 2. ANSI B16.1, Cast-Iron Pipe Flanges and Flanged Fittings. 3. ANSI B16.34, Valves-Flanged, Threaded and Welding end. (ASME B16.34). 4. ANSI/NSF 61 Drinking Water Components – Health Effects. 5. API STD 598, Valve Inspection and Testing. 6. API STD 609, Butterfly Valves: Double Flanged, Lug-Type and Wafer-Type. 7. ASTM A126, Specification for Gray Iron Castings for Valves, Flanges and

Pipe Fittings. 8. ASTM A536, Specification for Ductile Iron Castings. 9. ASTM A743/A743 M, Specification for Castings, Iron-Chromium, Iron-

Chromium-Nickel, Corrosion Resistant, for General Application. 10. ASTM B584, Specification for Copper Alloy Sand Castings for General

Applications. 11. ASTM D429, Test Methods for Rubber Property - Adhesion to Rigid

Substrates. 12. AWWA C504, Rubber-Seated Butterfly Valves. 13. AWWA C540, Power-Actuating Devices for Valve and Slide Gates. 14. AWWA C550, Protective Interior Coatings for Valves and Hydrants.


15. AWWA Manual M49, Butterfly Valves: Torque, Head Loss, and Cavitation Analysis.

16. FS TT-C-494, Coating Compound, Bituminous, Solvent Type, Acid-Resistant. 17. NEMA MG 1, Motors and Generators. 18. ANSI/AWWA C512, Air Release, Air/Vacuum, and Combination Air Valves

for Water and Wastewater Service. 19. MSS SP-110, Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved

and Flared Ends.

1.3 QUALITY ASSURANCE

A. Manufacturer’s Qualifications: 1. Manufacturer shall have minimum of five years of experience producing

substantially similar materials and equipment to that required and be able to provide evidence of at least five installations in satisfactory operation for at least five years.

B. Component Supply and Compatibility: 1. Obtain each type of equipment and appurtenances included in this Section,

regardless of the component manufacturer, from a single manufacturer of the type of process valve. For each type of valve, do not furnish valves of more than one manufacturer.

2. Supplier of each type of equipment specified shall review and approve or prepare all Shop Drawings and other submittals for all components associated with the type of process valve Supplier is furnishing.

3. Components shall be suitable for use in the specified service conditions. Components shall be integrated into the overall assembly by the process valve manufacturer.

1.4 SUBMITTALS

A. Action Submittals: Submit the following: 1. Shop Drawings:

a. Installation drawings showing orientation of valve in both plan and elevation view. Drawings shall clearly identify valve and its appurtenances, including controls, actuators, valve stems, and other components. Show dimensions of valves and appurtenances in relation to piping and structural and architectural components, where applicable.

b. Controls for and control characteristics of modulating valves. c. Power and control wiring diagrams, including terminals numbers for

electric-motor actuators. d. Calculations for sizing of electric actuators.

2. Product Data: a. Product data sheets. b. Complete catalog information, including dimensions, weight,

specifications, and identification of materials of construction of all parts.


c. Corrosion resistance information to confirm suitability of valve materials for the application. Furnish information on chemical resistance of elastomers from elastomer manufacturer.

d. Cv values and hydraulic headloss curves. 3. Testing Plans:

a. Submit plan for shop testing of each valve for which shop testing is specified, including testing plan’s and test facility’s limitations proposed.

B. Informational Submittals: Submit the following: 1. Certificates:

a. Certificates of compliance with referenced standards, where applicable, including those of AWWA, NSF, and others required by ENGINEER.

2. Manufacturer Instructions: a. Submit manufacturer’s instructions for handling, storing, and installing

valves and appurtenances. Provide templates and setting drawings for valves and appurtenances that require anchor bolts or similar anchorages.

3. Source Quality Control Submittals: a. Submit copies of shop test results and inspection data, certified by

manufacturer. 4. Field Quality Control Submittals:

a. Submit results of field tests required. 5. Supplier’s Reports:

a. When requested by ENGINEER, submit written report of results of each visit to Site by Supplier’s serviceman, including purpose and time of visit, tasks performed and results obtained.

6. Qualifications Statements: a. When requested by ENGINEER, submit manufacturer’s qualifications

demonstrating compliance with the Specifications, including list of existing installations with contact names and telephone number(s) for each.

C. Closeout Submittals: Submit the following: 1. Operations and Maintenance Data:

a. Furnish operation and maintenance manuals in accordance with Section 01 78 23, Operations and Maintenance Data.

b. Furnish in operations and maintenance manuals complete nameplate data for each valve and electric actuator.

D. Maintenance Material Submittals: Submit the following: 1. Spare Parts, Extra Stock Materials, and Tools:

a. Spare Parts and Extra Stock Materials: Furnish as specified for each valve type.

b. Tools: Furnish two sets of special tools (excluding metric tools, if applicable) for each size and type of valve furnished.

1.5 DELIVERY, STORAGE AND HANDLING


A. Packing, Shipping, Handling, and Unloading: 1. Deliver materials and equipment to Site to ensure uninterrupted progress of

the Work. Deliver anchorage products that are to be embedded in concrete in ample time to prevent delaying the Work.

2. Inspect boxes, crates, and packages upon delivery to Site and notify ENGINEER in writing of loss or damage to materials and equipment. Promptly remedy loss and damage to new condition in accordance with manufacturer’s instructions.

3. Conform to Section 01 65 00, Product Delivery Requirements.

B. Storage and Protection: 1. Keep products off ground using pallets, platforms, or other supports. Store

equipment in covered storage and prevent condensation and damage by extreme temperatures. Store in accordance with manufacturer's recommendations. Protect steel, packaged materials, and electronics from corrosion and deterioration.

2. Conform to Section 01 66 00, Product Storage and Handling Requirements.

PART 2 - PRODUCTS

2.1 GENERAL

A. Valves, General: 1. Provide each valve with manufacturer’s name and rated pressure cast in raised

letters on valve body. 2. Provide valves with Type 316 stainless steel nameplate attached with Type

316 stainless steel screws. Nameplates shall have engraved letters displaying the following minimum information: a. Valve size. b. Pressure and temperature ratings. c. Application (other than water and wastewater). d. Date of manufacture. e. Manufacturer’s name.

3. Provide valves to turn counterclockwise to open, unless otherwise specified. 4. Provide valves with permanent markings for direction to open. 5. Manually operated valves, with or without extension stems, shall require not

more than 40-pound pull on manual operator to open or close valve against specified criteria. Gear actuator and valve components shall be able to withstand minimum pull of 200 pounds on manual operator and input torque of 300-foot pounds to actuator nut. Manual operators include handwheel, chainwheel, crank, lever, and T-handle wrench.

B. Valve Materials: 1. Valve materials shall be suitable for the associated valve’s service or

application, as shown.


2. Protect wetted parts from galvanic corrosion caused by contact of different metals.

3. Wetted components and wetted surfaces of valves used with potable water or water that will be treated to become potable shall conform to ANSI/NSF 61.

C. Valve Joints: 1. Exposed Valves: Unless otherwise specified, provide with flanged ends

conforming to ANSI B16.1. Pressure class of flanges shall be equal to or greater than specified pressure rating of the associated valve.

2. For stainless steel bolting, except where nitrided nuts are required, use graphite-free anti-seize compound to prevent galling. Strength of joint shall not be affected by using anti-seize compound.

2.2 BUTTERFLY VALVES

A. Manufacturers: Provide products of one of the following: 1. DeZurik. 2. Henry Pratt Company. 3. Val-Matic 4. Or equal.

B. General: 1. Provide butterfly valves conforming to AWWA C504 and as specified herein. 2. Rated Working Pressure: 150 psig, Class 150B. 3. Maximum Fluid Temperature: 150 degrees F. 4. Valves shall provide drip-tight bi-directional shutoff at rated pressures. 5. Mount valve seats in valve body . 6. Valves shall be capable of being maintained in open or partially open position

for manual operation, and for automatic operation. When valve disc is maintained, there shall be no chatter or vibration of disc or operating mechanism.

7. Valve packing shall be replaceable without dismantling valve.

C. Materials of Construction: materials of construction shall conform to AWWA C504 and shall be as follows: 1. Body: Cast-iron, ductile iron, or alloy cast-iron. 2. Shaft: Type 316 stainless steel. 3. Discs: Cast-iron. 4. Seats: Buna-N or other synthetic rubber suitable for the application. 5. Seating Surfaces: Type 316 stainless steel. 6. Bearings: Nylon. 7. Shaft Seals: Externally adjustable, material same as for seats. 8. Tapered Pins for Attachment of Shaft to Disc: Type 316 stainless steel. 9. Internal and external bolting and other hardware; including pins, set screws,

studs, bolts, nuts, and washers shall be Type 316 stainless steel.

D. Interior Coating:

ADD 1


1. Valves shall be coated inside. Steel, cast-iron, and ductile iron surfaces.

E. Testing: 1. Test each valve in the manufacturer’s shop in accordance with AWWA C504.

2.3 AIR RELIEF VALVES

A. Manufacturers: Provide products of one of the following: 1. DeZurik APCO Clean Water Air Release Valve (ARV). 2. Val-Matic 3. Or equal.

B. General: 1. Provide air release valves conforming to AWWA C512 and as specified

herein. 2. Rated Working Pressure: 150 psig, Class 150B. 3. Maximum Fluid Temperature: 150 degrees F.

C. Materials of Construction: materials of construction shall conform to AWWA C512 and shall be as follows: 1. Body and Cover: Cast-iron or ductile iron. 2. Float: Stainless steel. 3. Needle: Bronze or Stainless steel. 4. Seats: Buna-N or Bronze-Stainless. 5. Linkage: Delrin, Bronze, or Stainless steel. 6. Internal and external bolting and other hardware; including lever pins,

retaining rings, screws, studs, bolts, nuts, and washers shall be bronze or stainless steel.

D. Interior Coating: 1. Valves shall be coated inside. Steel, cast-iron, and ductile iron surfaces,

except machined surfaces, shall be epoxy-coated in accordance with AWWA C550.

E. Process Connection Piping: 1. Connect air relief valve to process piping using 316 stainless steel nipples. 2. Material: 316 stainless steel (ASTM A 312). 3. Fittings: 316 stainless steel (ASTM A 403).

F. Vent Drain Piping: 1. Connect vent drain piping to drain outlet located on top of valve. Route drain

piping to nearest floor drain. Minimize drain piping run and fitting use. Provide sufficient separation of vent train piping from other piping runs.

2. Material: Copper Type-L per Section 40 05 17, Copper Process Pipe. 3. Fittings: Refer to Section 40 05 17, Copper Process Pipe. 4. Mounting: Mount to nearest wall. Follow Section 05 05 33, Anchor Systems

for acceptable mounting practices.

ADD 1


G. Testing: 1. Test each valve in the manufacturer’s shop in accordance with ANSI/AWWA

C512.

2.4 BALL VALVES

A. Manufacturers: Provide products of one of the following: 1. Conbraco Apollo; 76F-100 Series. 2. Nibco; T-585-S6-R-66-LL. 3. Or equal.

B. General: 1. Provide ball valves conforming to MSS SP-110 and as specified herein. 2. Rated Working Pressure: 1,000 psig. 3. Maximum Fluid Temperature: 150 degrees F. 4. Body: Two-piece, full port. 5. Connection: NPT threaded 6. Packing Gland: Adjustable

C. Materials of Construction: materials of construction shall conform to MSS SP-110 and shall be as follows: 1. Body and End Piece: ASTM A276 GR 316 or ASTM A351/A351M GR

CF8M. 2. Ball: ASTM A276 Type 316 stainless steel. 3. Seats, Seals, and Packing: Reinforced PTFE. 4. Stem: Stainless steel, blowout-proof. 5. Operator: Stainless steel with vinyl grip.

D. Interior Coating: 1. Valves shall be coated inside. Steel, cast-iron, and ductile iron surfaces,

except machined surfaces, shall be epoxy-coated in accordance with AWWA C550.

E. Testing: 1. Test each valve in the manufacturer’s shop in accordance with ANSI/AWWA

C512.

2.5 ELECTRIC ACTUATORS (OPEN/CLOSE)

A. Manufacturers: Provide products of the following: 1. Beck Group 11 Direct Couple.

B. Application Criteria: 1. Ambient Temperature Rating: -30 to +185 degrees F. 2. Ambient Humidity: 100 percent. 3. Line Operating Pressure: Refer to Schedule of Valves with Electric Actuators

located in the Contract Drawings.

ADD 1


4. Maximum Flows Through Full-Open Valves: Refer to Schedule of Valves with Electric Actuators located at the end of this document.

5. Power Supply: 120 VAC, single-phase, 60 Hertz. 6. Control Voltage: 120 VAC, single phase, 60 Hertz. 7. Torques: As determined by valve manufacturer. 8. Duty Cycle: Sixty starts per hour, minimum.

C. General: 1. Provide actuator operable with handwheel and electric handswitch for local

operation. 2. Coordinate sizing of each electric actuator with valve manufacturer. Actuator

manufacturer shall furnish valve and associated electric actuator and appurtenances as a unit.

3. Electric actuators shall be suitable for valve orientation as shown. 4. All spare parts for electric actuators shall be ready for immediate shipment. 5. Factory support shall be available 7 days per week. 6. Provide a 36-month warranty to begin at the date of shipment. 7. Where actuator mounting pedestals are shown or required, CONTRACTOR’s

professional engineer shall design all anchorage to the supporting structure and provide type, diameter, and length of all anchor systems required. Anchor systems shall conform to the requirements of Section 05 05 33, Anchor Systems.

D. Electric Motor: 1. General:

a. Provide motors suitable for continuous service and minimum 85 degree C temperature rating.

b. No burnout, low speed motor design that provides precise and repeatable control without any fear of burning out a motor if the application calls for frequent movements or if the valve jams.

2. Motor Construction: a. Classification: Special Purpose Motor, Synchronous, Single Phase,

Permanent – Split Capacitor Motor b. Insulation: Class H c. Impedance Protected d. Power Supply: 120 V e. Fractional horsepower, low current, low speed (72-120 RPM), no duty-

cycle limitations. f. Bearings: Double lipped, grease-sealed, weatherproof bearing. g. Provide with integral, Self-Locking Mechanism (SLM) to hold up to

200% of rated torque from backdriving.

E. Actuator Gearing: 1. Housing: Precision machined, aluminum alloy casting, NEMA 4X enclosure. 2. Close-coupled to electric motor pinion. 3. Input Shaft Gearing: Spur gear.


4. Output Shaft Gearing: Partial spur gear with virtually no gear backlash, preventing valve disc chatter or vibration.

5. Gearing shall be of an all spur gear construction made of heat-treated alloy steels and ductile iron.

6. Lubrication: Permanent with lithium-based grease spread. No oil or grease baths.

7. Bearings: Double-lipped, grease sealed, weatherproof bearing. 8. Input Shaft: Heat treated alloy steel and ductile iron. 9. Provide fixed mechanical stops to prevent overall travel to 110 degrees. 10. Provide mechanical position indication.

F. Limit Switches: 1. Provide each actuator with “end of travel” limit switches to allow control of

desired end position for each direction of travel. 2. Provide open and close limit switches geared to drive mechanism and in step

at all times, whether unit is operated electrically or manually, and whether or not actuator is powered by electric power supply.

3. Limit switch gearing shall be appropriately lubricated. 4. Provide driven mechanism totally enclosed to prevent entrance of foreign

matter. 5. Provide four auxiliary switches for end of travel indication. Two switches

shall close and two contacts shall open at a desired end position for each direction of travel.

6. Switches shall be rated six amperes at 120 volts.

G. Handwheel Operation: 1. Provide actuator with a spoke-free, easy-to-turn handwheel for manual

operation. The handwheel shall rotate when the actuator is running, but will pose no safety hazard.

2. Spoke-free handwheel shall be less than 7-inch in diameter and be operable with a single hand to produce full actuator torque.

H. Controls: 1. Provide the following controls in separate compartment integral with actuator. 2. Enclosure: NEMA 4X. 3. Provide five position electric handswitch (CCW, STOP, CW, STOP, AUTO).

In CCW or CW, actuator shall run to corresponding internal limit switch, at which point it will turn off. In STOP, actuator shall be disabled from local and remote operation, but can be operated with manual handwheel. In AUTO “open/close/stop” control from remote shall be enabled.

4. Provide set of dry contacts to remotely indicate that actuator is available for remote operation. When handswitch is in AUTO, the dry contacts shall close.

5. Actuator circuit boards shall be rated for high temperature service, minimum 85 degrees C.

2.6 ELECTRIC ACTUATORS (MODULATING)


A. Manufacturers: Provide products of the following: 1. Beck Group 11 Direct Couple.

B. Application Criteria: 1. Ambient Temperature Rating: -30 to +185 degrees F. 2. Ambient Humidity: 100 percent. 3. Line Operating Pressure: Refer to Schedule of Valves with Electric Actuators

located in the Contract Drawings. 4. Maximum Flows Through Full Open Valves: Refer to Schedule of Valves

with Electric Actuators located in the Contract Drawings. 5. Duty Cycle: Continuous (minimum 1,200 starts/stops per hour), unless

otherwise specified. 6. Power Supply: 120 VAC, single-phase, 60 Hertz. 7. Control Voltage: 120 VAC, single-phase, 60 Hertz. 8. Torque: As determined by valve manufacturer. 9. Accepts 4-20 mA input and provides a corresponding 4-20mA position

feedback.

C. General: 1. Provide actuator operable with handwheel even after electric handswitch for

local operation. 2. Provide continuous duty operation that does not require special deadband or

deadtime accommodations in system tuning. Actuators shall be able to control down to 0.1-degree steps and respond within 25-50 milliseconds of a setpoint change.

3. Coordinate sizing of each electric actuator with valve manufacturer. Actuator manufacturer shall furnish valve and associated electric actuator and appurtenances as a unit.

4. Electric actuators shall be suitable for valve orientations shown on drawings. 5. All spare parts for electric actuators shall be ready for immediate shipment. 6. Factory support shall be available 7 days per week. 7. Provide a 36-month warranty to begin at the date of shipment. 8. Where actuator mounting pedestals are shown or required, CONTRACTOR’s

professional engineer shall design all anchorage to the supporting structure and provide type, diameter, and length of all anchor systems required. Anchor systems shall conform to the requirements of Section 05 05 33, Anchor Systems.

D. Electric Motor: 1. General:

a. Provide motors suitable for modulating service, of high torque characteristics and minimum 85 degrees C temperature rating.

b. No burnout, low speed motor design that provides precise and repeatable control without any fear of burning out a motor if the application calls for frequent movements or if the valve jams.

2. Motor Construction:

ADD 1


a. Classification: Special Purpose Motor (Permanent Magnet), Synchronous Single Phase, Permanent – Split Capacitor Motor

b. Enclosure: NEMA 4X. c. Insulation: Class H. d. Impedance Protected e. Power Supply: 120 V f. Fractional horsepower, low current, low speed (72-120 RPM), no duty-

cycle limitations. g. Bearings: Double-lipped, grease-sealed, weatherproof bearing. h. Provide with integral, Self-Locking Mechanisms (SLM) to hold up to

200% of rated torque from backdriving.

E. Actuator Gearing: 1. Housing: Precision machined, aluminum alloy casting, NEMA 4X enclosure 2. Close-coupled to electric motor pinion. 3. Input Shaft Gearing: Spur gear. 4. Output Shaft Gearing: Partial spur gear with virtually no gear backlash

preventing valve disc chatter or vibration. 5. Gearing shall be of an all spur gear construction made of heat-treated alloy

steels and ductile iron. 6. Lubrication: Permanent with lithium based grease spread. No oil or grease

baths. 7. Bearings: Double lipped, grease-sealed, weatherproof bearing. 8. Input Shaft: Heat treated alloy steel and ductile iron. 9. Provide fixed mechanical stops to prevent overall travel to 110 degrees. 10. Provide mechanical position indication.

F. Limit Switches: 1. Provide each actuator with “end of travel” limit switches to allow control of

desired end position for each direction of travel. 2. Provide open and close limit switches geared to drive mechanism and in step

at all times, whether unit is operated electrically or manually, and whether or not actuator is powered by electric power supply.

3. Limit switch gearing shall be appropriately lubricated. 4. Provide driven mechanism totally enclosed to prevent entrance of foreign

matter. 5. Provide four auxiliary switches for end of travel indication. Two switches

shall close and two contacts shall open at a desired end position for each direction of travel.

6. Switches shall be rated six amperes at 120 volts.

G. Handwheel Operation: 1. Provide actuator with a spoke-free, easy-to-turn handwheel for manual

operation. The handwheel shall rotate when the actuator is running, but pose no safety hazard.

2. Spoke-free handwheel shall be less than 7-inch in diameter and be operable with a single hand to produce full actuator torque.


H. Controls: 1. Provide following controls in a separate compartment integral with the

actuator. 2. Enclosure: NEMA 4X. 3. Provide five position electric handswitch (CCW, STOP, CW, STOP, AUTO).

In CCW or CW, actuator shall run to the corresponding internal limit switch, at which point it will turn off. In STOP, actuator shall be disabled from local and remote operation, but can be operated with manual handwheel. In “AUTO” position, “open/close/stop” control from remote shall be enabled.

4. Provide “OPEN/CLOSE” indicating lights and zero-to-100 percent position indication in liquid crystal display window.

5. Motor shall be de-energized when valve is jammed for more than 300 seconds or some shorter time. (Programmable via HART)

6. For monitoring of actuator, provide set of single-pole/single-throw (SPST) dry contacts. Monitor relay shall indicate that actuator is available for remote operation when contacts are closed.

7. Provide each actuator with position controller. Controller shall have the following features: a. Receive 4-20 mA analog control signal and position valve in proportion

to this signal. b. Adjustments for duty cycle, band width, span, and zero programmable via

HART Communicator. c. On loss of control signal, the actuator shall stay in its last position, but

this can be programmed differently via HART Communicator. 8. Provide actuator with position transmitter capable of producing 4-20 mA

output signal. Positioning device shall be contactless without any wiping or contacting surfaces prone to wear and routine maintenance. Accuracy shall be less than plus-or-minus one percent of scale. Transmitter shall include integral temperature-compensated, constant-voltage source for the position sensor. The position sensing device shall be integral to the actuator.

9. Supply actuator with circuit boards for high temperature service, minimum 85 degrees C.

2.7 ANCHORAGES AND MOUNTING HARDWARE

A. General: 1. Comply with Section 05 05 33, Anchor Systems, except as modified in this

Section. 2. Obtain bolts, nuts, and washers for connection of valve and appurtenances to

concrete structure or other structural members from valve Supplier. 3. Bolts, nuts, and washers shall be of ample size and strength for purpose

intended. Anchorages in concrete shall be at least 5/8-inch diameter. 4. Provide stem guide anchorages of required strength to prevent twisting and

sagging of guides under load. 5. Materials: Provide bolts and washers of Type 316 stainless steel and nitrided

nuts. Bolts shall have rolled threads. Bolts and nuts shall be electropolished to remove burrs.


2.8 TOOLS, LUBRICANTS, AND SPARE PARTS

A. Lubricants: For valves, actuators, and appurtenances requiring lubricants, provide suitable lubricants for initial operation and for first year of use following Substantial Completion. Lubricants for equipment associated with conveying potable water or water that will be treated to become potable shall be food-grade and ANSI/NSF 61-listed.

B. Tools, spare parts, and maintenance materials shall conform with Section 01 78 43, Spare Parts and Extra Materials.

2.9 PAINTING OF EXPOSED VALVES, HYDRANTS, AND APPURTENANCES

A. Exterior steel, cast-iron, and ductile iron surfaces, except machined surfaces of exposed valves and appurtenances, shall be finish painted in manufacturer’s shop. Surface preparation, priming, finish painting, and field touch-up painting shall conform to Section 09 91 00, Painting.

PART 3 - EXECUTION

3.1 INSPECTION

A. Examine conditions under which materials and equipment are to be installed and notify ENGINEER in writing of conditions detrimental to proper and timely completion of the Work. Do not proceed with the Work until unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. General: 1. Install valves and appurtenances in accordance with:

a. Supplier’s instructions and the Contract Documents. b. Requirements of applicable AWWA standards. c. Applicable requirements of Section 40 05 05, Exposed Piping

Installation. 2. Install valves plumb and level. Install all valves to be free from distortion and

strain caused by misaligned piping, equipment, and other causes. 3. Position swing check valves and butterfly valves so that, when valve is fully

open, valve disc does not conflict with piping system elements upstream and downstream of valve.

B. Exposed Valves: 1. Provide supports for large or heavy valves and appurtenances as shown or

required to prevent strain on adjoining piping. 2. Operators:

a. Install valves so that operating handwheels or levers can be conveniently turned from operating floor without interfering with access to other


valves, piping, structure, and equipment, and as approved by ENGINEER.

b. Avoid placing operators at angles to floors or walls. c. Install valves so that indicator arrows are visible from floor level. d. For motor-operated valves located lower than five feet above operating

floor, orient motor actuator to allow convenient access to pushbuttons and handwheel.

3.3 FIELD QUALITY CONTROL

A. Field Tests: 1. Adjust all parts and components as required to provide correct operation of

valves. 2. Conduct functional field test on each valve in presence of ENGINEER to

demonstrate that each valve operates correctly. 3. Verify satisfactory operation and controls of motor operated valves. 4. Demonstrate satisfactory opening and closing of valves at specified criteria

requiring not more than 40 pounds effort on manual actuators. 5. Test ten percent of valves of each type by applying 200 pounds effort on

manual operators. There shall be no damage to gear actuator or valve.

B. Supplier’s Services: 1. Provide services of qualified factory-trained service technicians to check and

approve installation of the following types of valves: a. Butterfly valves with On-Off electric actuators. b. Butterfly valves with modulating electric actuators

2. Supplier’s serviceman shall perform the following: a. Instruct CONTRACTOR in installing equipment. b. Supervise installation of equipment. c. Inspect and adjust equipment after installation and ensure proper

operation. d. Instruct OWNER’s personnel in operating and maintaining the

equipment. 3. Manufacturer’s representative shall make a minimum of 3 visits, with a

minimum of 8 hours onsite for each visit. First visit shall be for assistance in installing equipment; second visit shall be for checking completed installation and start-up of system; third visit shall be to instruct operations and maintenance personnel. Representative shall revisit the Site as often as necessary until installation is acceptable.

4. Training: Furnish services of Supplier’s qualified factory trained specialists to instruct OWNER’s operations and maintenance personnel in recommended operation and maintenance of equipment. Training requirements, duration of instruction and qualifications shall be in accordance with Section 01 79 23, Instruction of Operations and Maintenance Personnel.

5. All costs, including expenses for travel, lodging, meals and incidentals, and cost of travel time, for visits to the Site shall be included in the Contract Price.


3.4 SUPPLEMENTS

A. The supplements listed below, following “End of Section” designation, are a part of this Specification Section: 1. Table 40 05 53-A, Schedule of Valves with Electric Actuators.

+ + END OF SECTION + +

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Westerville, Ohio CIP 2020-401 PROCESS VALVES WTP Filter Valving Replacement Arcadis Project 30002315 40 05 53-17

The following abbreviations are used in Table 40 05 53-A.

B. Valve Type Abbreviations

Valve Type Abbrev Valve Type Abbrev. Butterfly Valve BV

C. Service Abbreviations

Service Abbrev Service Abbrev. Raw Water RW Effluent EFFPotable Water PW Drain DRBackwash Water BW Process Air PAInfluent INF Drain DRSurface Wash SW

Westerville, Ohio CIP 2020-401 PRIMARY SENSORS AND FIELD INSTRUMENTS WTP Filter Valving Replacement Addendum No. 1 Arcadis Project 30002315 40 70 05-1

SECTION 40 70 05

PRIMARY SENSORS AND FIELD INSTRUMENTS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Scope: 1. CONTRACTOR shall provide all labor, materials, equipment and incidentals

as shown, specified and required to furnish, install, calibrate, test, adjust and place into satisfactory operation all primary sensors and field instruments shown and specified herein.

2. Contract Documents illustrate and specify functional and general construction requirements of the sensors and field instruments and do not necessarily show or specify all components, wiring, piping and accessories required to make a completely integrated system. CONTRACTOR shall provide all components, piping, wiring, accessories and labor required for a complete, workable, and integrated system.

3. CONTRACTOR shall be responsible for installing in-line flow elements (magnetic flow meter flow tubes, insert flow tubes, propeller flow meters) and for providing taps in the process piping systems for installation of other flow, pressure, and temperature sensing instrumentation.

B. Coordination: Coordinate with other suppliers for installation of all items specified herein and required to ensure the complete and proper interfacing of all components and systems.

C. Related Sections: 1. Section 40 61 13, Process Control System General Provisions. 2. Section 40 61 23, Process Control System Startup and Field Testing. 3. Section 40 05 05, Exposed Piping Installation. 4. Section 40 05 19, Ductile Iron Process Pipe.

1.2 QUALITY ASSURANCE

A. Comply with the requirements of Section 40 61 13, Process Control System General Provisions.

B. Acceptable Manufacturers: 1. Furnish primary process measurement devices by the named manufacturers or

equal equipment by other manufacturers. 2. The named manufacturers have been specified to establish the standard of

quality and performance of the equipment to be supplied. 3. Obtain all sensors and field instruments of a given type from the same

manufacturer.


4. The primary sensors and field devices shall be interchangeable with similar function existing primary sensors and field devices to minimize spare parts inventory.

C. Manufacturers' Responsibilities and Services: 1. Design and manufacture the primary process measurement devices in accor-

dance with the applicable general design requirements specified in Section 40 61 13, Process Control System General Provisions, and the detailed Specifications herein.

2. Field supervision, inspection, start-up and training in accordance with the requirements of Section 40 61 23, Process Control System Startup and Field Testing.

1.3 PRODUCT DELIVERY, STORAGE AND HANDLING

A. Comply with the requirements specified in Section 40 61 13, Process Control System General Provisions.

B. Primary process measurement devices shall not be delivered to the Site until all product information and system Shop Drawings for the sensors and instruments have been approved by the ENGINEER.

1.4 SUBMITTALS

A. Comply with the requirements specified in Section 40 61 13, Process Control System General Provisions.

1.5 MATERIALS OF CONSTRUCTION FOR WETTABLE PARTS

A. Provide compatible materials of construction for primary sensors and field instrument (wetted) parts that come in contact with the process fluids listed in the Instrument Index.

1.6 IDENTIFICATION TAGS

A. Performance Requirements: 1. Tag numbers of sensors and field instruments shall be as shown and as

specified. For items not shown or specifically tagged, the item tag number shall be established by the system supplier. All instruments, whether field or panel mounted, shall have an identification tag.

2. Information to be permanently engraved onto the tag shall include the identifying tag number, manufacturer, model number, service, and range.

3. The tags shall be fastened to the device with self-tapping stainless-steel screws. Where fastening with screws cannot be accomplished the tags shall be permanently attached to the device by a circlet of stranded stainless-steel wire rope and clamp.

4. All sensors and field instruments mounted on or within control panels and enclosures shall have the identification tag installed so that the engravings are


easily visible to service personnel. Panel mounted devices shall have the tag attached to the rear of the device.

B. Construction Features: 1. Tags shall be engraved with 3/16-inch letters and constructed as follows.

a. 3/32-inch thick laminated phenolic for engraving composed of core, laminated on both sides with a matte (non-glare) finish cover sheet.

b. Core to be black; cover sheet to be white. c. Mounting holes to be centered on width and 1/4-inch from each end.

1.7 FILLING LIQUID

A. Use silicone except for process fluids containing chlorine. When the process fluid contains chlorine, the filling liquid shall be Halocarbon 63 or Flurolube 63.

PART 2 - PRODUCTS

2.1 PROCESS TAPS, SENSING LINES AND ACCESSORIES

A. Water Pressure Sensing Lines and Accessories for Flow and Pressure Transmitters: 1. Material: Copper Water Tube, ASTM B-88, Type L, drawn temper or

annealed. 2. Pressure Rating: 150 psi. 3. Size: 1/2-inch O.D. for water. 4. Connections: Brass Compression Type, "Swagelok" by Crawford, or equal. 5. Shut-off Valves:

a. Type: Ball. b. Pressure Rating: 150 psi. c. Body, Ball and Stem: Brass. d. Packing: High Density TFE. e. Handle: Nylon with metal travel stops. f. Support Rings: TFE coated brass. g. End Connections: Removable "Swagelok", or equal. h. Model: Whitey 45 Series for water, or equal.

6. Manifolds: a. Type: 5-valve and 3-valve meter manifolds. b. Materials: Type 316 stainless steel body, bonnets and stems; delrin seats;

teflon packing. c. Products and Manufacturers: Provide one of the following:

1) Anderson-Greenwood. 2) Or equal.

B. Pressure Tap Sensing Lines and Accessories for Pressure Gauges and Pressure Switches: 1. For Process Sensing Taps in Ductile Iron, Steel and Stainless Steel Piping

Systems:

ADD 1


a. Material and Fittings: Type 304 stainless steel pipe (ASTM A 312) and threaded fittings and adapters (ASTM A 403).

b. Sizes: 1/2-inch minimum for main sensing piping and 1/4-inch gauge and switch connections.

c. Pressure Rating: Equal to or greater than the applicable system test pressure as specified in the Exposed Piping Schedule in Section 40 05 05, Exposed Piping Installation.

d. Accessories: 1) For applications not requiring diaphragm seals, provide separate 1/2-

inch Type 316 stainless steel threaded ball valve for each gauge and switch.

2) For applications requiring diaphragm seals, provide a separate 1/2-inch threaded Type 316 stainless steel ball valve for seal process side shutoff.

2.1 INSERT FLOW TUBES

A. Function: Produce a differential pressure that is proportional to the square of the flow through a pipeline for measurement by a differential pressure transmitter.

B. Performance Requirements: 1. Flow Range: As specified in the Instrument Index.

a. Design: 8,500 GPM b. Minimum: 2,000 GPM c. Maximum: 10,000 GPM

2. Coefficient: Independent of line size and beta ratio. 3. Differential: Suitable for measurement over the specified flow range, but not

greater than the specified maximum. 4. Flow Tube Accuracy over specified normal flow range:

a. ± 0.5 percent of actual rate with bench calibration. b. ± 0.25 percent of actual rate with flow calibration.

5. Unrecoverable Headloss: Not more than ten percent of differential. 6. Maximum Operating Temperature: 180 F.

C. Construction Features: 1. Short laying length. 2. Nozzle type entrance with smooth transition to throat section. 3. No protrusions, sharp-edged annulus, slot or other solids collecting area

exposed to flow. 4. Flanges suitable for mounting between ANSI Class 150 pipe flanges. 5. Identified 1/4-inch NPT female low pressure connection located in the flange. 6. Identified 1/4-inch NPT female high pressure connection located on piping

ahead of holding flange. 7. Provide certified curve of flow versus differential and data on permanent head

loss as a function of measured differential.

D. Materials:

ADD 1


1. Holding Flange: Carbon steel, epoxy coated. 2. Outlet Cone: Polyester resin reinforced with glass. 3. Throat: Type 304 stainless steel.

E. Size: As specified in Instrument Index.

F. Existing Equipment: 1. Existing transmitters and manifolds shall not be replaced. 2. Existing sensing lines shall not be replaced. Sensing lines will connect the two

pressure taps of the flow tube to their corresponding connections on the pressure transmitter manifold

G. Products and Manufacturers: Provide one of the following: 1. Primary Flow Signal, Model HVT-PI. 2. BIF. 3. Or equal.

2.2 VENTURI TUBE – FULL-BODY CAST IRON

A. General: 1. The metering primary element shall be of the pressure differential producing

type utilizing pure static pressure sensed at the inlet and throat sections.

B. Performance Requirements: 1. Flow Range:

a. Design: 800 GPM b. Minimum: 350 GPM c. Maximum: 1,800 GPM

C. Required Features: 1. Inlet section shall be comprised of a cylindrical section, of similar diameter as

the pipe, in which the high pressure tap is installed and shall incorporate to condition the flow profile before it enters the throat section.

2. Laying length of the throat shall be at least 0.5 times the throat diameter. Low pressure tap shall be installed in this section. Outlet cone shall be truncated, having an included angle of five ten degrees. Interior and exterior surfaces, except the throat, shall be coated with a two part bitumastic epoxy finish. Interior cast iron surfaces shall be coated with NSF-61 2-part epoxy suitable for potable water contact. Exterior surfaces shall be coated with shop primer.

3. Tube coefficient shall be constant for pipe Reynolds number of about 50,000 75,000 and greater and independent of Beta ratio and line size.

4. Tube shall be constructed of fabricated steel. The Venturi meter body shall be cast iron per ASTM A-126, Gr. B. Pressure connection for the inlet and throat section shall be Type 316 stainless steel. Throat liner shall be constructed of Type 316 stainless steel.

ADD 1

ADD 1


5. Tube shall be provided with 150 pound flanges. The Venturi shall be provided with AWWA type 125-pound flanged ends unless otherwise specified. The discharge end of the venturi meter shall be properly machined to allow for the direct-coupled butterfly valve.

6. Metering element shall not have debris-collecting cavities or annular chambers. The element shall have two pressure connections at the inlet and two pressure connections at the throat. Pressure connections shall be located on opposite sides of the element and position on the horizontal plane. In addition, a vent port and drain shall be included on a 90-degree plane to the metering tap on the inlet section.

7. Approval data shall state and substantiate the value and tolerance of the coefficient, the effect of up and downstream piping configurations, the head loss in percent of pipe velocity head and shall provide proof that the coefficient is independent of line size and Beta ratio.

8. Accuracy shall be ±0.75 ±0.50 percent of actual rate of flow. This accuracy shall be substantiated by a two times standard deviation calculation of at least thirty calibrated tube coefficients of different line size, and Beta ratio tubes or by University, Hydraulic Laboratory calibration of each flow tube.

9. The venturi manufacturer shall have a current ISO 9001a current ISO 9001 Certificate of Registration of Quality Management System in the Design and Manufacturing of Flow Measurement Systems.

D. Manufacturers: Provide products of one of the following: 1. Primary Flow Signal. Model HVT-CI 2. BIF; Division of L&N. 3. Bailey/Fischer and Porter. 4. Or equal.

PART 3 - EXECUTION

3.1 INSTALLATION

A. CONTRACTOR shall require the system supplier to furnish the services of qualified factory-trained servicemen to assist in the installation of the instrumentation and control system equipment.

B. Install each item in accordance with manufacturer's recommendations and in accordance with the Contract Documents. Transmitters and instruments, which require access for periodic calibration or maintenance, shall be mounted so they are accessible while standing on the floor. Care shall be taken in the installation to ensure sufficient space is provided between instruments and other equipment or piping to allow for easy removal and servicing.

C. All items shall be mounted and anchored using stainless steel hardware, unless otherwise noted.


D. All field instruments shall be rigidly secured to walls, stands or brackets as required by the manufacturer and as shown.

E. Conform to all applicable provisions of the NEMA standards, NEC and local, State and Federal codes when installing the equipment and interconnecting wiring.

3.2 START-UP, CALIBRATION, TESTING, AND TRAINING

A. Comply with the requirements of Section 40 61 13, Process Control System General Provisions and Section 40 61 23, Process Control System Startup and Field Testing.

+ + END OF SECTION + +

Westerville Filter photo legend in order presented

1. Backwash valve filter #2, up is left 2. Backwash valve filter #3, up is top 3. Filter effluent valve & meter filter #3, up is left 4. Filter effluent valve & meter filter #1, up is left 5. Filter gallery basement filters 3 & 4, up is top 6. Filter gallery basement filters 1 & 2, up is left 7. Filter influent valve filter #4, up is top 8. Surface sweep valve filter #4, up is left 9. Backwash water venture meter, up is left. Supported pipe section is ~81 inches long.

Document Takers as of 5/8/2020

Vendor Name Contact Name Contact EmailAdena Corporation Matthew Petit [email protected] Construction Industries (ACI) Candi Oakley [email protected], LLC William Wilkin [email protected] Services and Controls Brian Best [email protected] Printers Bo Pomu [email protected] Mary Testa [email protected] Exchange Lori Romano [email protected] City Mechanical Alex Moore [email protected] Electric John Lines [email protected] Electric, Inc Amber Gooley [email protected] Connect Francis Lazalita [email protected] Michael Stubbs [email protected] Journal Pamela Exton [email protected] Layman, Ltd Rita Konicki [email protected] Construction Co. Mike Campbell [email protected] & Associates, Inc. Abbie Doll [email protected] Coni Jordan [email protected] Christensen Company Matt Barnes [email protected] Equipment Company Mark Sullivan [email protected] America Procurement Council Inc., PBC Eric Johnson [email protected], Inc Source Management [email protected] Environmental Products, John Pelton [email protected]. Zachrich Construction, Inc Natalie Laing [email protected] Analyst, Inc. Ryan Champion [email protected] Inc Ron Bjornsson [email protected] Environmental Technologies, Inc. Wendell Smitley [email protected] Blue Book Network Cynthia Seebohm [email protected] Righter Company Julie Collins [email protected] Waterworks Alli Murray [email protected] Mechanical Contractors, Inc. Kelly Simerman [email protected] Industries, LLC. John Reinhart [email protected]

Name

Company E-mail

Kevin Lewis Ohio LECET [email protected]

Bill Barhorst Arcadis [email protected]

Audra Dentinger Adena Corporation [email protected]

Brian Best Automation Services & Controls

[email protected]

Bob Kulp TPMechanical [email protected]

Mike Campbell Downing Construction Co

[email protected]

Jim Steed Arcadis [email protected]

Alex Moore Capital City Mechanical

[email protected]

Bill Wyner The Righter Company, Inc.

[email protected]

Rita Konicki Doll Layman, Ltd. [email protected]

Todd Peters Claypool Electric [email protected]

Dick Lorenz City of Westerville [email protected]

Tom Patterson City of Westerville [email protected]

Bob Gardner City of Westerville [email protected]

Dan Langton City of Westerville [email protected]