B09_Amd8_-_Spec_22_11_23_-_PLUMBING_PUMPS_0008.pdf

DEVA 318717 22 11 23 - 1

January 17, 2025 PLUMBING PUMPS

SECTION 22 11 23 - PLUMBING PUMPS

PART 1 - GENERAL

1.1 SUMMARY

A. Furnish labor, materials, tools, equipment, and services for Plumbing Pumps, as indicated, in accordance with provisions of Contract Documents.

B. Systems Included:

1. Packaged domestic water booster pumps.

C. Completely coordinate with work of other trades.

1.2 SUBMITTALS

A. Product Data:

1. Packaged domestic water booster pumps

a. Shop drawings.

b. Electrical wiring diagrams.

c. Include pump curves with point of operation indicated.

A. Refer to Section 01 81 33 - Cyber Security Requirements for required cyber security related submittals.

B. Contract Closeout Information:

1. Operation and Maintenance Data.

2. Owner instruction reports.

1.3 QUALITY ASSURANCE

A. Pipe and fittings standards: See Section 22 05 03.

B. Manual-valve and check-valve standards: See Section 23 05 23.

C. Standards:

1. UL 778: Motor Operated Water Pumps.

1.4 WARRANTY

A. Thirty-six (36) months from shipment.

DEVA 318717 22 11 23 - 2

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Packaged Domestic Water Pumping System:

1. Base:

a. Towle Whitney.

b. Amtrol.

2. Optional:

a. Tigerflow.

b. Xylem/Bell and Gossett.

c. Federal.

B. Other manufacturers desiring approval comply with Section 01 61 00.

2.2 MATERIALS

A. Pumps - General:

1. Motors: Section 23 05 00.

2. Motor data: As scheduled.

3. Pump capacities: As scheduled.

4. Provide disconnects.

2.3 PACKAGED DOMESTIC WATER BOOSTER PUMP SYSTEMS

A. Provide complete, packaged domestic water booster pump system including all components required to ensure proper operation.

B. Flow rate and total developed head: As Scheduled.

C. Number of pumps: As Scheduled.

D. Assembled Units:

1. All “wetted surfaces” shall be lead free (<.25% Pb) in conformance with the 1/4/14 federal law and shall be NSF 61 rated

2. Shall include a separate and independent variable frequency drive (VFD) for each pump with a pressure transducer, pressure gauge, and relief valve. Piping and frame shall not interfere with access to the controls

3. Each pump shall include isolation valves on both the suction and discharge piping

4. Each pump shall have a separate and independent disconnect box

5. Shall be mounted on a frame for ease of transport and installation.

E. Centrifugal pump:

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1. Shall have a stainless steel casing with 304 stainless steel impellers.

2. Shall have a 316 stainless steel shaft sleeve. Mechanical seal shall be rated to withstand pressure of up to 142 PSI

3. Motor shall be to totally enclosed fan cooled (TEFC). And manufactured in compliance with CE, RoHS and CSA

4. Must be able to withstand and operate with ambient operating temperatures up to 125 degrees F.

F. Variable Frequency Drive (where required)

1. Will alternate the lead pump every 24 hours (field adjustable) of run time. The lag pump shall be in standby

2. Shall have hands-off automatic (HOA) capability

3. Rated to operate using specified power requirement. The drive efficiency shall be 98% or better

4. Have UL approval with all factory installed options and preset values and/or last saved data values will remain available to the operator after power outage.

5. Shall have at least NEMA 1 rated conduit enclosure

6. The program will protect the pumps against damaging hydraulic conditions such as:

a. Motor overload, Pump overflow surges, Loss of prime due to incoming water supply interruption, Hunting

b. Protection from overload through frequency/current optimization

c. Protection from hydraulic damage by restricting the pumps to operate beyond their published end of curve

7. Shall have the ability to automatically restart after an over-current, over-voltage, under-voltage or loss of input signal

8. Shall have an operator control panel for customization of parameters

9. Shall include a feature to upload/download parameters into an external device to be used with another drive or the same drive

10. Shall have a removable non-volatile memory device

11. Shall be capable of accepting individual analog inputs from transducer. All transducer inputs must be wired to the variable

12. frequency drive for continuous scan and comparison function

13. Ladder logic program shall utilize a proportional - integral - derivative control function

14. Shall display the following values:

a. Pump running/standby, Pump speed in Hz, User adjustable parameters such as

PID set points, Motor frequency, Motor current, Threshold set points for PID error, Min operating frequency, Troubleshooting and diagnostics of faults.

G. Transducer:

1. The transducer shall be rated for required system pressure and shall be 4-20 mA analog

2. Separate transducers shall be supplied for each variable frequency drive to ensure.

redundancy.

H. Hydropneumatic Tank:

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1. Pneumatic expansion tank shall be rated for use with potable water with an operating pressure of a maximum 125 PSI.

2. Pre-charged to a pressure of 10 PSI below system operating pressure for system to run properly.

I. Component Materials:

1. Relief valves: lead free brass

2. Pressure gauges: lead free brass

3. Transducers: stainless steel

4. Check valves: stainless steel

5. Ball valves: lead free brass

6. Manifold piping: Type L copper tube

7. Fittings: Lead free brass for stainless steel

J. Additional Components

1. HOA switch.

2. Elapsed time meter.

3. Pump cycle meter.

4. Additional components may be provided with the packaged booster pump system or provided and installed separately.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install as indicated and in accordance with manufacturer's instructions and recommendations.

B. Furnish piping, isolation valves, check valves, and fittings per manufacturer recommendation.

3.2 CLOSEOUT ACTIVITIES

A. Refer to Section 01 81 33 - Cyber-Security Requirements for cyber security related closeout requirements.

END OF SECTION 22 11 23

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