Questions and Answers Runway Lighting 2.docx
DOCX document 18 KB Posted
- Solicitation number
- FA465926QZ013
About this file
This is a Questions and Answers document for a runway lighting LED retrofit project at Grand Forks AFB, North Dakota. The document clarifies technical specifications for inset approach lights, frangible couplings, connectors, and delivery requirements outlined in the associated RFQ (Solicitation Number FA465926QZ013). Key clarifications include: inset approach lights that are uni-directional white require only a single plug rather than two (correcting a specification error), while L-850D bidirectional fixtures require two plugs for independent approach/departure circuit power; the L-862(L) 1.5-inch frangible coupling is FAA-acceptable; all fixtures must use 2-pole plugs with jacketed SO cable; standard prism configurations are acceptable with power-only (non-monitored) operation; and Arctic kits are not required due to natural wind clearing at the facility's location. The original solicitation specified 100 units of inset approach lights, with delivery required within 16 weeks of award, and components may be delivered in multiple shipments provided advance notification is provided. Basis of estimate referenced an Axon RSAC302S1NWNS201 light fixture, though the government clarified that light specifications must be submitted with proposals for acceptance determination. The underlying solicitation is issued as a 100% small business set-aside with NAICS code 335132 (size standard: 600 employees) by the Department of the Air Force Air Mobility Command.
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Questions and Answers Runway Lighting
Question: With respect to the Inset Approach Lights – Fixture to be Uni-directional White – why is 2 plugs needed?
(Standard approach fixtures are all on same circuit. A 2nd plug is typically used for separate circuits. Current design of unit does not allow for 2 plugs to control same light output. Same question above for L-850D(L) Uni-direction Red or Green.)
Answer: The current configuration requirement is due to a specification error. The Green/Red (L-850D bidirectional) fixtures require two plugs to independently power the separate approach/departure circuits. In contrast, the Uni-directional White and other strictly unidirectional fixtures only require a single plug to operate, see updated schedule.
Question: Please see the attached datasheet for our L850B Inset Lights (1. Inset Approach Lights 100 units). Could you provide a part number based on the configurations you would like? Or let me know the dimension option.
Answer: There isn’t a light L850B, lights cannot be pre-approved. Submit light specification sheet with proposal to determine if it is acceptable or not. Basis of estimate was Axon RSAC302S1NWNS201 Question: The L-862(L) 1.5-inch frangible couple is FAA certified, is this spec acceptable?
Answer: Yes, see updated schedule, no 2” frangible couplings are acceptable, this was an error in the original solicitation.
Question: Delivery must be completed within 16 weeks of award, is there a specific no-later-than date behind that? What is the earliest the parts can be delivered?
Answer: Delivery Date must occur on/before 16 weeks of award.
We welcome the earliest possible delivery the manufacturer can support.
Question: The L-850D(L) and other lights have multiple styles of connector + cable, what specific connector & cable combination is expected?
Answer: See updated schedule for plug numbers-both types need 2-pole plugs with jacketed SO cable.
Question: There are other options, such as standard vs reinforced prism and power only, or power + monitoring on the lamps. Is this a power only solution?
Answer: Standard prism is acceptable, Non-monitored, power only Question: The arctic kit is specified as not to be quoted. Can you provide the reasons this item was excluded given your location / latitude?
Answer: At our location, sustained high winds naturally sweep the low-profile fixtures clear of dry snow and ice. Relying on this natural clearing is far more reliable and cost-effective than active electrical melting. Standardizing fixtures without Arctic Kits lowers our utility footprint, simplifies spare-parts inventory, and ensures a more robust, low-maintenance airfield lighting system.
Question: Can we deliver the components in multiple shipments?
Answer: Yes, but shipment information must be sent in advance so it is known to be expected.
File details come from the government source that posted it. Updated .