Proposal_RFIs.docx

QUESTIONS & ANSWERS

FA4855-16-B-0007

20 Apr 16

1. Do the existing U/G conduits and duct bank from the existing Sec. 1701 to existing transformer T253 meet the SOW requirements for duct banks ( 2-5" Sch80 conduits in 3000psi, red-dyed concrete)? If so, can these conduits be re-utilized for this project?

a. Existing 1701 to T253 duct bank and feeder to remain. Only new primary feeders will require 2-5" Conduits.

2. During rough-in of the new system, will we be able to penetrate into any ‘vault’ areas beneath Sec. 1701 or 1701A?

a. There are 2-spare 5" conduits in each Sectionalizer that may be intercepted and used in lieu of penetrating the vault areas.

3. For the induction lights, only Type 5 are currently available. Is this acceptable, or would LED lights be preferred.

a. Type 5 distribution will be acceptable for the Induction lights. LED fixture submissions will require a variance and strict conformance with referenced UFC 3-530-01 in SOW.

4. New transformers T252, T253, & T254 all feed distribution panels and lighting on their secondary sides. Are we to be responsible for the secondary protective devices ahead of these downstream devices?

a. Secondary Down Stream protection is shown on the Contract Documents Drawings Sheet E201 via wireway and to conform with NFPA 70 National Electrical Code - 2014. NFPA 70 National Electrical Code - 2014 is referenced in the SOW

5. What documents are required to be a part of the proposal submitted by each company?

a. Please see the solicitation and the requirements listed in Sections L & M.

6. Will the Air Force furnish current AutoCad construction files for use in developing the project drawings?

a. ACAD drawings of Contract Drawings will be available for Contractor to facilitate preparation of Shop drawings and Asbuilts.