SiteVisitNotes&QnA-Amendment_1.pdf

W912MM17T0072‐Hush House Transformer Amendment #1

MEMORANDUM FOR RECORD

SUBJECT: Pre‐Proposal Site Visit Notes and Question & Answer

RE: W912MM17T0072‐Hush House Transformer ‐ Amendment #1

Date: Tuesday, September 12, 2017 at 9:00 am CST

1. The list of those in attendance at the meeting are shown on the attached sign‐in sheet. The entire list of attendees on the sign‐in sheet were provided the opportunity to visit the Hush House and transformer site.

2. Reviewed RFQ.

a) Contractor will not be allowed to work Mondays. Normal duty hours 7am‐530pm Tuesday‐Friday.

Work outside this time requires advance coordination and approval with the Contracting Officer.

b) The performance period requested is 90 days from date of order.

3. Questions & Answers regarding the Hush House Transformer Upgrade:

Q1. What are the low and high voltages?

A1. Primary is 2400V/13800V and Secondary is 120V/208V.

Q2. Single or three phase?

A2. Three phase.

Q3. Is this the primary transformer?

A3. Yes. This is the primary transformer for this building.

Q4. Can a used or refurbished transformer be supplied?

A4. Used? No. Refurbished? The Government will accept and evaluate alternate proposals for refurbished equipment if available; however offerors must also price the project as specified (with new transformer). Alternate proposals should include enough detail for the Government to understand the alternate as well as its benefits.

Q5. Is the meter socket to be replaced?

A5. No. The existing meter socket will be reused.

Q6. Are the Current Transformers (CTs) to be replaced?

A6. No. The existing CTs will be resused.

Q7. How many conductors will need to be removed?

A7. 10 total. A, B, C w/Ground, and Neutral (350 MCM) times 2.

Q8. How many conductors will need to be installed?

A8. 8 total. A, B, C, and Neutral (500 MCM) times 2.

W912MM17T0072‐Hush House Transformer Amendment #1

Q9. What is the approximate length of the new wire required?

A9. The approximate distance from the transformer to the panel is 150 feet. 150 feet times 8 conductors being installed, so approximately 1200 feet total of new wire to be installed.

Q10. What year was the current transformer installed?

A10. Approximately 1995.

Q11. Will main breaker accept 500 MCM wiring?

A11. Yes. Neutral lugs will also accept 500 MCM wiring.

Q12. What is the size of the current transformer base?

A12. Concrete pad is 65 inch x 66 inch with a 42 inch x 16 inch cutout. Prefer to reuse existing.

Q13. Are shop drawings for the transformer required to be submitted for approval?

A13. No.

4. All questions and answers must be in writing. Email questions to Jeremiah Minter at jeremiah.g.minter.mil@mail.mil. DO NOT contact others as this will only delay receipt of answers.

5. Any verbal responses/answers to questions provided shall not change/qualify the terms and conditions of the solicitation and specifications. Terms remain unchanged unless a written response/answer is made or changes are made to the plans or specifications. Normal procedures relating to the acknowledgment and receipt of solicitation amendments shall apply.

6. Site visit concluded at approximately 9:45 am.

Jeremiah G. Minter, TSgt 114th FW Contract Specialist