Attatchment 1 - Statement of Need B51 Generator Replacement - Updated - 3-5-26.pdf
PDF 66 KB Posted
- Attached to
- B51 Generator
- Solicitation number
- FA460026Q0022
About this file
This is a Statement of Need for electrical power infrastructure equipment required by the 55th Civil Engineering Squadron (CES), Civil Engineering Operations Flight Engineer (CEOFE) at Offutt Air Force Base, Nebraska.
The requirement specifies procurement of a complete generator and transfer switch system for the B51 Traffic Check House at the STRATCOM Gate to ensure uninterrupted operation of barriers, DBIDS support equipment, and search pit facilities, with future provisions for gate/barrier and search pit upgrades. The primary equipment includes one 100 kW Cummins C100D6C diesel generator rated at 60 Hz, one 400A rated Onan automatic transfer switch (277/480VAC, 3-phase, 4-pole, strut-mounted), and one 400A rated Onan manual transfer switch with identical specifications. The procurement also includes extensive electrical infrastructure components: 500 feet of 500 kcmil cable, 50 feet of 3/4-inch liquid-tight flexible steel conduit, 4-inch liquid-tight flexible steel conduit, mechanical connectors (BURNDY brand for both 500 kcmil and 3/0 AWG), liquid-tight box connectors in various configurations, grounding equipment including a 10-foot ground rod and 500 feet of 1/0 AWG ground wire, rigid steel conduit in 3.5-inch and 4-inch sizes, conduit couplings and bushings, box connectors, and thirty POLARIS insulated connectors. Materials must be delivered to Building 301 at 106 Peacekeeper Drive, Offutt AFB, Nebraska 68113, with installation to be performed by CEMIRT.
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Other files
| File | Type | Posted |
|---|---|---|
| Solicitation - FA460026Q0022.pdf | ||
| Attachment 2 - J and A Generators - 12-17-2021.pdf |
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Text version
Statement of Need
55th CES/ CEOFE B51 Generator and Transfer Switch
1. This requirement is for (1) 100 kW generator, (1) automatic transfer switch, (1) manual transfer switch, and all other fittings and connectors for a complete system.
This item is needed for the uninterrupted operation of the B51 Traffic Check House at the STRATCOM Gate including barriers, DBIDS support equipment, and search pit. Future provisions are included for gate/barrier and search pit upgrades.
2. The following items shall be provided (quantity of 1ea unless noted otherwise):
• 100 kW Cummins generator – C100D6C Diesel Genset, 60 Hz, 100kW
• 400A rated Onan automatic transfer switch – 277/480VAC, 400A, 3ph, 4p, Strut-mounted
• 400A rated Onan manual transfer switch – 277/480VAC, 400A, 3ph, 4p, Strut-mounted (Graybar part no: DTU465R)
• 500 ft of 500 kcmil cable (Graybar part no: 20513805)
• (10) 500 kcmil BURNDY Mechanical Connector (Graybar part no: KA44U)
• (10) 3/0 AWG BURNDY Mechanical Connector (Graybar part no: KA29U)
• Liquid Tight 4 in. x 25 ft. Flexible Steel Conduit (Grainger part no: 6210-22-00)
• (5) 4" Liquid Tight Box Connector (Grainger part no: 3416)
• 50 ft of 3/4" Liquid Tight Flexible Steel Conduit (Grainger part no: 6203-24-00)
• (10) Liquid-Tight Box Connector 3/4 " Insulated, Straight (Grainger part no:
351RAC)
• (10) Liquid-Tight Box Connector 3/4 " Insulated, 90 (Grainger part no: 3543)
• (10) Liquid-Tight Box Connector 3/4 " Insulated, 45 (Grainger part no: 3563)
• (2) Aluminum, Square, 2 Gangs, 3/4 in Hub Size, 31 cu in (Grainger part no: 5343-
0)
• ¾” Ground Rod 10 ft (Grainger part no: 613400)
• 500 ft of 1/0 AWG Ground Wire (Grainger part no: 5561502)
• (2) 20A Duplex Receptacle (Grainger part no: 5352STW)
• Hubbell 2 -Gang Weatherproof Electrical Box Cover (Graybar part no: MM2420C)
• (5) 3.5" Close Nipple (Rigid) (Graybar part no: 25023501)
• (5) 4" Close Nipple (Rigid) (Graybar part no: 16454)
• (5) 4 " Rigid Coupling (Graybar part no: 4-Galv-Coup)
• (5) 3.5" Rigid Coupling (Graybar part no: 3-1/2-Galv-Coup)
• (5) 3.5" Box Connector (Graybar part no: CPR9)
• (5) 4" Box Connector (Graybar part no: CPR10)
• (5) 3.5" Conduit Bushing (Graybar part no: 939)
• (5) 4" Conduit Bushing (Graybar part no: BRC-400-4AKON)
• (5) Galvanized Rigid Steel Conduit, 4 in. 10 ft (Graybar part no: 4-GALV)
• (5) Galvanized Rigid Steel Conduit, 3.5 in. 10 ft (Graybar part no: 3-1/2-GALV)
• (30) POLARIS Insulated Connector 6 AWG -600 kcmil (Grainger part no: 34UH99)
3. The materials will be delivered to 106 Peacekeeper Dr, Offutt AFB, NE 68113, Building 301.
4. To be installed by CEMIRT.
File details come from the government source that posted it. Updated .