OK22-35I SC Back Up Power Statement of Work_Final.pdf

OK22-35I Seneca Cayuga Backup generator for Lift Stations Page 1 of 6

Author: Steven Boyd-Project Engineer December 2023

STATEMENT OF WORK

1.01 SUMMARY OF WORK TO BE DONE BY CONTRACTOR

A. Furnish and install a trailer mounted 20KW diesel powered standby generator according to the statement of work below and the plans provided. Completion of the project also includes the furnishing and installing of all related electrical work necessary for successful operation of the portable generator at two lift stations.

Materials and installation will be similar at each location.

1.02 PROJECT NAME AND SITE LOCATION

A. Indian Health Service Project OK22-35I

Seneca Cayuga/ Backup generator for Lift Stations B. Seneca Cayuga Nation, Tribal Complex

23701 South 655 Rd, Grove, OK 74354 C. Lift Station #1

Lat (36.66043⁰), Long (-94.71469⁰) D. Lift Station #2

Lat (36.66593⁰) Long (-94.70590⁰)

1.03 CONSTRUCTION SCHEDULE

A. Contact the IHS Project Engineer three business days before the start of any work.

B. Failure to perform work on the date scheduled shall require rescheduling the work 24-hours in advance.

C. Leave all work exposed until it is inspected and approved. Work not inspected before it is covered shall be re-exposed at the Contractor’s expense.

D. All work is to be performed Monday – Friday only between the hours of 8:00 a.m. –

5:00 p.m. No work is to be performed on the weekends and/or federal holidays unless other work schedule arrangements are approved by the IHS Project Engineer.

E. IHS Project Engineer: Steven Boyd Steven.boyd2@ihs.gov Office: 918-542-6637 Cell: 918-961-2915

F. Seneca Cayuga Maintenance Supervisor Doug Buller dbuller@sctribe.com Office: 918-791-6067 Cell: 918-314-9167

1.04 QUALITY ASSURANCE

A. Perform work under the direction of personnel licensed in the state including, but not limited to Electrical.

B. Manufacturer Qualifications: Current certificate holder for compliance with ISO 9001.

C. Installer Qualifications: An authorized representative who is trained and approved by manufacturer for the installation of proposed generator.

D. Testing Agency Qualifications: Accredited by NETA.

mailto:Randall.dougan@ktogaming.com

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1. Testing Agency's Field Supervisor: Certified by NETA to supervise on-site testing.

1.05 WARRANTY

A. Provide a minimum one-year warranty for all materials and labor, covering defects in the materials or workmanship.

B. Manufacturer's Warranty: Manufacturer agrees to repair or replace components of packaged engine generators and associated auxiliary components that fail in materials or workmanship within specified warranty period.

1. Warranty Period: one year from date of Substantial Completion.

1.06 SUBMITTALS

A. Product Data: For each type of product, including but not limited to generator, disconnects, and transfer switch.

1. Detailed generator system sizing calculations. (Calculations shall verify generator is properly sized to provide backup power for a 2hp submersible lift station pump along all other lift station appurtenances. Estimated start up power demand of all appurtenances in concurrent operation is 20kW.

2. Include rated capacities, operating characteristics, electrical characteristics, and furnished specialties and accessories.

3. Include fuel consumption in cubic feet per hour (cubic meters per hour) at 0.8 power factor at 0.5, 0.75- and 1.0-times generator capacity.

4. Include generator efficiency at 0.8 power factor at 0.5, 0.75, and 1.0 times generator capacity.

5. Include generator characteristics, including, but not limited to, kilowatt rating, efficiency, reactance’s, and short-circuit current capability.

B. Shop Drawings:

1. Include details of equipment assemblies. Indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection.

2. Identify fluid drain ports and clearance requirements for proper fluid drain.

3. Vibration Isolation Base Details: Detail fabrication including anchorages and attachments to structure and to supported equipment.

4. Include diagrams for power, signal, and control wiring. Complete schematic, wiring, and interconnection diagrams indicating terminal markings for EPS equipment and functional relationship between all electrical components.

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C. Informational Submittals

1. Certified Test Reports: For components and accessories that are equivalent, but not identical, to those tested on prototype unit.

2. Report of sound generation.

3. Report of exhaust emissions indicating compliance with applicable regulations.

4. Field quality-control reports.

5. Warranty: For special warranty.

D. Closeout Submittals

1. Operation and Maintenance Data: For engine generators to include in emergency, operation, and maintenance manuals.

2. List of tools and replacement items recommended to be stored at project location for ready access. Include part and drawing numbers, current unit prices, and source of supply.

3. Operating instructions laminated and mounted adjacent to generator location.

4. Training plan.

1.07 COMPLIANCE REQUIRMENTS

A. NFPA Compliance:

1. Comply with NFPA 37.

2. Comply with NFPA 70.

3. Comply with NFPA 99.

4. Comply with NFPA 110 requirements for Level 2 EPSS.

B. UL Compliance: Comply with UL 2200.

C. Engine Exhaust Emissions: Comply with EPA requirements and applicable state and local government requirements.

1.08 MATERIALS

A. Generator with Trailer:

1. Generac Mobile diesel engine-driven generator set MLG20IF4, or equal.

2. Single Axle Trailer

3. 2” Ball

4. Tube and Sleeve Trailer Jack

5. Minimum 20 kW nominal power provided.

6. Voltage 240V ac.

7. Phase Single

a. External solid-state, frequency compensated voltage regulation (+/- 1% regulation).

b. Governor to provide +/- 0.25% frequency modulation.

c. Automatic Voltage Regulation: Maintain constant output voltage regardless of input voltage variations up to plus or minus 10 percent.

d. Safety Functions: Sense abnormally low battery voltage and close contacts providing low battery voltage indication on control and monitoring panel.

Sense high battery voltage and loss of ac input or dc output of battery charger.

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Either condition shall close contacts that provide a battery-charger malfunction indication at system control and monitoring panel.

8. Oil type lubrication system.

9. Belt-driven water pump cooling system.

a. Integral Cooling System: Closed loop, liquid cooled, with radiator factory mounted on engine generator mounting frame and integral engine-driven coolant pump.

10. 2,400 cfm air flow (or, as per manufacturer’s recommendations, whichever is greater).

11. Made in the USA.

B. Prime Mover Stop-Switch:

1. Emergency generator prime-mover stop switch.

a. Labeled in red “stop”.

b. Mechanical reset.

c. Mounted on the control panel Unistrut.

d. NEMA 3R or 4X, rated for outdoor use.

e. Dayton 32W275, or approved equal or as per manufacturer’s recommendations.

C. Electrical wiring:

1. Flexible, electrically-rated, electrical pipe is to be installed in the concrete prior to placing the concrete, as necessary.

2. Two (2) inch electrical conduit is to house the power wiring to the Manual

Transfer Switch

3. 2 AWG copper (or as per the minimum size requirements of the NEC).

4. NEMA 3R junction box for conduit runs with > 360 degrees of turns.

5. Wire size to be 2 AWG wire (THHN), or as per the NEC, if a larger size is required.

D. Transfer Switch:

1. Service rated, manual transfer switch.

2. Minimum 150-amp rated transfer switch, as per manufacturer’s recommendations for proposed generator.

3. NEMA 3R or 4X, outdoor-rated enclosure.

4. Double-throw (Line, off, generator).

E. Shut-offs/throw-switch:

1. All throw switches are to be lockable, to meet the NEC.

2. All throw switches are to be single throw.

3. Remote Emergency-Stop Switch: Flush; mounted on control panel Unistrut, unless otherwise indicated; and labeled. Push button protected from accidental operation.

4. Two shut-offs on the circuit between the Manual Transfer Switch and the generator.

5. Two pole, single phase, with neutral, (Schneider Electric H224NRB, or approved equal), with 150 Amp fuses or, as per manufacturer’s recommendations, whichever is greater.

6. One shut-off on the circuit between the Manual Transfer Switch and the line.

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7. Two pole, single phase, with neutral, (Schneider Electric H225NRB, or approved equal), with 150 Amp fuses, or, as per manufacturer’s recommendations, whichever is greater.

i.

1.09 EXAMINATION

A. Examine areas, equipment bases, and conditions, with Project Engineer and Operator present, for compliance with requirements for installation and other conditions affecting packaged engine generator performance.

B. Examine roughing-in for piping systems and electrical connections. Verify actual locations of connections before packaged engine generator installation.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

1.10 PREPARATION

A. Interruption of Existing Electrical Service: Do not interrupt electrical service to facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary electrical service in accordance with requirements indicated:

B. Notify Project Engineer and Operator no fewer than three working days in advance of proposed interruption of electrical service.

C. Do not proceed with interruption of electrical service without Project Engineer and Operators written permission.

1.11 INSTALLATION

A. Comply with NECA 1 and NECA 404.

B. Comply with packaged engine generator manufacturers' written installation and alignment instructions and with NFPA 110].

1.12 TESTING

A. Project-Specific Equipment Tests:

1. Before shipment, factory test engine generator and other system components and accessories manufactured specifically for this Project. Perform tests in accordance with industry standards and manufacturers recommendations.

2. Provide IHS with results of testing.

1.13 FIELD QUALITY CONTROL

A. Testing Agency:

1. Installer will engage a qualified testing agency to perform tests and inspections.

2. Engage a factory-authorized service representative to test and inspect components, assemblies, and equipment installations, including connections.

3. Perform tests and inspections with the assistance of a factory-authorized service representative.

B. Tests and Inspections:

1. Perform tests recommended by manufacturer and each visual and mechanical inspection and electrical and mechanical test listed in the first two subparagraphs below as specified in the NETA Manual Transfer Switch. Certify compliance with test parameters.

C. Visual and Mechanical Inspection:

1. Compare equipment nameplate data with drawings and specifications.

2. Inspect physical and mechanical condition.

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3. Inspect anchorage, alignment, and grounding.

4. Verify the unit is clean.

5. Test protective relay devices.

6. Verify phase rotation, phasing, and synchronized operation as required by the application.

7. Functionally test engine shutdown for low oil pressure, over temperature, over speed, and other protection features as applicable.

8. Perform vibration test for each main bearing cap.

9. Verify correct functioning of the governor and regulator.

10. NFPA 110 Acceptance Tests: Perform tests required by NFPA 110 that are additional to those specified here, including, but not limited to, single-step full-load pickup test.

11. Test for contact integrity of all connectors. Perform an integrity load test and a capacity load test for the battery.

12. Verify that measurements are within manufacturer's specifications.

13. Coordinate tests with tests for transfer switches and run them concurrently.

14. Test instruments shall have been calibrated within the last 12 months, traceable to

NIST Calibration Services, and adequate for making positive observation of test results. Make calibration records available for examination on request.

D. Operational Test: After electrical circuitry has been energized, start units to confirm proper motor rotation and unit operation for generator and associated equipment.

E. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

F. Remove and replace malfunctioning units and retest as specified above.

G. Retest: Correct deficiencies identified by tests and observations and retest until specified requirements are met.

H. Report results of tests and inspections in writing.

I. Record adjustable relay settings and measured insulation resistances, time delays, and other values and observations. Attach a label or tag to each tested component indicating satisfactory completion of tests.

1.14 MAINTENANCE SERVICE

A. Initial Maintenance Service: Beginning at Substantial Completion, provide 12 months' full maintenance by skilled employees of manufacturer's designated service organization. Include quarterly exercising to check for proper starting, load transfer, and running under load. Include routine preventive maintenance as recommended by manufacturer and adjusting as required for proper operation. Provide parts and supplies same as those used in the manufacture and installation of original equipment.

1.15 DEMONSTRATION

A. Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain packaged engine generators.

1.16 SITE RESTORATION

A. Restore site to original condition.

B. Provide Record Drawings to the Project Engineer.

STATEMENT OF WORK