17. Attachment A Generator Specs.pdf

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120/240 Replacement generator for Western Area Power Administration
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89503220QWA000224
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Attachment A

Generator Specification

89503220QWA000224

SPECIFICATION for

120/240 VAC Emergency Power Stand-by Generator and Automatic Transfer Switch

For Telecommunication Wyoming/Nebraska, (WNMO)

Project MEM WES M-WMA 57010

1. Emergency Power Supply-General

EPS shall be for a level 2 application and deployed at the following location:

Meeteetse Microwave Communication Site, (MEM, 6,690’ AMSL), (44 ̊ 8” 27” N, -108 ̊49’ 12” W) Energy converter shall consist only of a rotating Otto cycle, spark ignited prime mover. Seismic design shall be in accordance with IEEE 693 Medium rating, based on individual site location listed above. EPS shall include a 3’ elevation stand with flow through design to avoid snow accumulation. EPS shall be enclosed with an enamel coated aluminum enclosure.

A. The Emergency Power Supply shall have the following characteristics:

1. The generator shall be a Cummins 22kW Quiet series RS22/C22N6 or equal.

2. The generator shall be capable of 120 or 240 VAC Single phase, 22kW, 60Hz power.

3. The starting equipment shall be by an electric starter powered from a stored energy starting system.

4. A complete cranking cycle shall consist of an automatic crank period that is in compliance with table 2.2 in this section. Upon starting and running the prime mover, further cranking shall cease.

5. The generator shall be capable of supplying load requirements within the time specified in

Table 2.1.5.2 after loss of primary power.

6. The generator shall be capable of supplying load requirements within the time specified in

Table 2.1.5.2 after loss of primary power.

Table 2.1.5.2

Designation Types for EPSSs

Designation Type Power Restoration

Type U Basically uninterruptible

(UPS systems)

Type 10 10 SEC

Type 60 60 SEC

Type 120 120 SEC

Type M Manual stationary or non-automatic-no time limit

7. The prime mover shall be provided with both of the following:

a. Storage battery units as specified in Table 2.2.

b. A storage rack for each battery or battery unit.

Table 2.2

Requirements Level 1 Level 2

Battery Unit X X

Battery Certification X NA

Cycle Cranking X O

Cranking Limiter Time-outs

Cycle Crank (3 cycles) 75 SEC 75 SEC

Continuous crank 45 SEC 45 SEC

Float-type Battery Charger X X

Recharge Time 24 HR 36 HR

Low Battery Voltage Alarm Contacts X X

X: Required, O: Optional, NA: Not applicable

8. The prime mover shall operate at 1800 RPM and be provided with the following instruments:

a. Oil pressure gauge to indicate lubrication oil pressure.

b. Temperature gauge to indicate the liquid coolant temperature.

c. Hour meter to indicate total running time.

d. Battery-charging meter indicating performance of prime mover-driven battery charging means.

e. Other instruments as recommended or provided by the prime mover manufacturer where required for maintenance.

The instruments shall be placed on an enclosed panel, located in proximity to or on the generator set, in a location that allows maintenance personnel to observe them readily.

The enclosed panel shall be mounted by means of anti-shock vibration mountings if mounted on the energy converter.

The generator set shall be fitted with an integral accessory battery charger, driven by the prime mover and automatic voltage regulator, and capable of charging and maintaining the starting battery unit (and control battery, where used) in a fully charged condition during a running condition.

9. The prime mover and accessories shall comply with NFPA 37, Standard for the Installation and Use of Stationary Combustion Engines and Gas Turbines except as modified in this specification.

10. Proper derating factors, such as altitudes, ambient temperature, fuel energy content, accessory losses, and site conditions as recommended by the manufacturer of the generator set shall be used in determining whether or not brake power ratings meet the connected load requirements.

11. The EPS shall have a microprocessor controlled load bank to prevent wet-stacking if the load falls below an adjustable level specified by the manufacturer.

12. The load bank shall be part of, and included in the same enclosure that houses the prime mover and generator set.

13. The load bank microprocessor controls shall be capable of removing/adding the load bank under varying conditions, and shall have a programmable time delay that can be set by field personnel according to the manufacturer’s recommendations that are consistent will good practice for the life of the generator and load bank.

14. The load bank shall have a self-contained cooling system that can control the temperature in ambient environmental conditions that range from -40⁰ F to 110⁰ F.

15. The EPS shall be heated as necessary to maintain the water jacket and battery temperature determined by the manufacturer for cold start to -40⁰ F and load acceptance for a minimum load of 18kW when EPS is de-rated for operation in a range of to 6,690’ AMSL.

16. The EPS and Snow Stand shall be rated to IEEE 693 Medium Seismic rating standards and shall have a black or dark grey powder coated finish.

17. The generator shall have a 100A primary circuit breaker.

18. The generator shall be equipped with a coolant warmer for -40⁰ F cold weather applications.

19. The generator shall be equipped with spill containment adequate to absorb any and all fluids that may be present in or connected to the generator set.

20. The generator set shall be equipped with a battery blanket warmer for -40⁰ F applications.

21. The generator shall be equipped with an engine block heater or coolant fluid heater rated for -40⁰ F applications.

2. Automatic Transfer Switch- General

The automatic transfer switch (ATS) shall be 240 VAC, 60Hz, 200Amp (UL Listed).

A. The transfer switch will have the following characteristics:

1. The connection shall be for a 120/240V, 3-wire single phase application.

2. ATS shall be in a NEMA 1 class enclosure.

3. The ATS shall be equipped with a Class L type current limiting fuse.

4. The ATS will be equipped with an LED display on the front panel that will indicate switch position, source availability auto/not in auto, and any alert condition that exists in the ATS.

5. The ATS must comply with UL 1008 for system loads and CSA standard C22.2 for automatic transfer switches. The switch must meet NFPA 110 standards for Emergency and Standby Power Systems and comply with NEC articles 700, 701, and 702, ASCO 3000/7000 or equal.

6. The ATS switching mechanism will be a double-throw, single solenoid design with inter-locked contacts and shall be a non-neutral switched design.

7. The ATS shall have a minimum of 4 auxiliary relay expansion module slots for additional alarm outputs.

8. The operational mechanism shall be equipped with an adjustable time-delay feature to prevent operation due to momentary power outages and generator voltage dips and be customer programmable. The following delay functions shall be available for customer use:

a. Engine start time delay adjustable from 0-6 seconds

b. Transfer to emergency time delay adjustable from 0-60 minutes

c. Emergency source stabilization time delay adjustable from 0-4 seconds

d. Re-transfer to normal time delay adjustable from 0-10 hours.

e. Unloaded running time delay for engine cooldown adjustable from 0-60 minutes.

f. Programmable engine exerciser with available daily, weekly, biweekly, or monthly selectable options

g. Transition load disconnect time delay adjustable from 0-5 minutes.

9. The ATS shall have a solid neutral termination.

10. The ATS shall be automatically triggered by loss of AC on the primary feed, and must return automatically to primary once AC with the correct level is restored after user selected time delay.

11. The ATS control shall be available for local or remote monitoring and control functions.

12. Remote monitoring and control feature shall be done through an RS 485 communication port provided with ATS.

3. Ancillary hardware and Tools requirements

a. The snow stand shall be manufactured within the dimensions in the attachment B, and shall conform to IEEE 963 medium seismic standards, and shall have a capacity to withstand 100mph+ winds while maintaining the weight of the EPS, load bank, and enclosure, and shall have a solid steel surface between the generator and the stand to prohibit entry by varmint infestations organic to the local site listed above. The vendor may pre-drill the holes required to mount the generator and enclosure to the stand, however no other holes shall be drilled by the vendor.

Western personnel shall drill for the mounting bolts on site.

b. The enclosure shall be pre-fitted to the generator and shall be in compliance with insulation values that are required for generator limits and restrictions listed in the EPS section of this specification.

c. The vendor shall provide any and all ancillary hardware and special tools required for general maintenance post warranty and installation period. Customer will be responsible for general maintenance hardware such as oil and air filters, oil, starting battery, belts, etc…that are considered normal wear items post warranty maintenance period.

d. The vendor shall instruct Western maintenance personnel on the use and application of any and all such hardware and special tools that shall be used for maintenance purposes.

4. Documentation Required with Proposal

a. The contractor shall furnish two sets of the drawings and data for the specific equipment to be furnished in order for the quote to be considered. This documentation is required to verify compliance with respect to the specifications. Such documentation shall be clearly annotated to indicate the specific equipment proposed.

b. Catalog data sheets, and instructions, including detailed ratings and EPS/ATS and snow stand capacity, dimensions, and warranty terms and conditions.

c. Manufacturers detailed snow stand structural drawing, which shall include the overall installed length and width of the snow stand and EPS enclosure detailed operational diagrams.

5. Post Award Documentation

a. One set of manufacturer’s structural drawings, operating and installation manuals (including a snow stand mounting diagram), warranty terms and conditions, operation and maintenance instruction shall be delivered with the EPS and ATS. One set of manufacturer’s structural, installation, warranty terms and conditions, operation and maintenance instruction shall be shipped to the following:

ATTN:

To be assigned at award

Western Area Power Administration Casper Field Office 5600 Poison Spider Road Casper, WY 82604

b. At the time of delivery and installation, the contractor shall provide performance and factory test data indicating proper performance of EPS, snow stand, enclosure, and ATS.

6. Warranty

a. Snow stand, EPS with enclosure, ATS, and accessories shall be warranted to be free of defect in workmanship and material for at least two year from the date of delivery and installation, or the manufacturer’s warranty period, whichever is longer.

The terms and conditions of the manufacturer’s warranty shall be described in detail in the bid and post-award documentation.

7. Post Installation Maintenance Agreement

a. The vendor shall provide onsite maintenance to include parts and labor for a period of two years after installation of each generator and shall comply with manufacturer’s recommendations.

b. The installation can range in installation date over a 6 month period to be determined mutually between Western maintenance personnel and the vendor based on parts availability, pre-scheduled work load, weather and site accessibility, and personnel availability.

8. Installation and QC testing.

a. The Vendor shall coordinate with Western personnel at least two weeks prior to the intended installation, Western POC is to be assigned at award.

b. The vendor shall install and test the EPS, enclosure, and ATS, and perform initial performance/acceptance test at each site.

c. Vendor shall provide the snow stand at least two weeks prior to installation date with availability for pickup in Casper, Wyoming and pickup time and place will be mutually agreed upon by vendor and Western personnel. Western personnel will mount and level snow stands on pre-constructed concrete piers at site prior to the generator arrival and installation.

d. Western personnel will supply and install all buried conduit, fuel line, AC and DC conductor, and fittings into varmint shield on snow stand prior to vendor installation of generator and enclosure.

e. Vendor will terminate all conductors on generator and AC conductor from generator to ATS and Western personnel will terminate primary AC conductor in ATS upon installation of new ATS and enclosure by vendor.

f. Vendor will adhere to all Western safety and construction standards.

g. A Western inspector shall be on site to receive any equipment, reports, and observe for adherence to all applicable safety practices deemed functional and necessary during the installation and operational performance testing. Western inspector will be present during operational acceptance and performance testing.

h. Authorized Western personnel must be present during all phases of this contract installation, removal, and testing process while contractor is on site.

i. Directions and escort contact information will be provided upon receipt of 2 week advanced notification.

j. If the required notifications are not made, the Government may not be able to accommodate the installation and accompaniment of contractor to site on scheduled date.

k. Responsibility for risk of loss or damage to supplies shall remain with the contractor until, and shall pass to the government upon mutually satisfactory completion of installation of all equipment and accessories, and acceptance.

l. Contractor shall supply all tools, equipment, and personnel to deliver, offload assemble, install and test EPS, enclosure, and ATS. Installation shall be made per manufacturer’s instruction in the space provided within the facility. Space issues and site constraints that affect delivery and installation shall be addressed with Western personnel listed above prior to delivery.

m. Western personnel will be on site to confirm final connections and observe testing procedures and results.

File details come from the government source that posted it. Updated .