Q n A MFR - Fuel Tank.pdf

DEPARTMENT OF THE AIR FORCE

HEADQUARTERS 49TH WING (AETC)

HOLLOMAN AIR FORCE BASE, NEW MEXICO

COMBAT AIRPOWER STARTS HERE

1 May 2025

MEMORANDUM FOR RECORD

FROM: 49 CONS/PKA

490 David L. Goldfein Street, Bldg. 29, Suite 2180 Holloman AFB, NM 88330-8225

SUBJECT: Solicitation FA480125Q0013, Clean Fuel Tank, Questions and Answers

1. The following questions were submitted to 49 CONS following the cutoff for receipt of questions, for the subject item proposal, on 1 May 2025:

Question 1: How many gallons of diesel are currently inside the tank, if any?

Answer 1: There is probably an inch or so of remaining fuel in the bottom of the tank and lines.

Question 2: Are the lines packed off w/fuel?

Answer 2: A few gallons of residual fuel remains.

Question 3: If fuel is present, does the facility want to store it and put it back into the tank?

Answer 3: No. The fuel is contaminated with algae.

Question 4: Are we required to have an industrial hygienist or marine chemist give a clean free certification?

Answer 4: No.

Question 5: Can you provide how many gallons of unusable fuel will be remaining in the tank which the contractor will need to handle and dispose of?

Answer 5: See Answer 1.

Question 6: How close to the tank (work site) is a good source of water?

Answer 6: There is a hose bibb about 75' away.

Question 7: Upon completion of the cleaning, will the contractor need to replace the gasket, bolts, washers and nuts on the manway and pipeline? If so, can you provide specification requirements?

Answer 7: The gaskets will need to be replaced. The SOW has been revised to reflect this new work.

Question 8: What is the size of bolts securing top hatch?

Answer 8: We think they are ¾" in size.

Question 9: Assuming this is a Horizontal Fuel Tank above ground?

Answer 9: Yes.

Question 10: What is the age of the Tank (older than 10 years?)

Answer 10: The tank is 11 years old.

Question 11: Has it had any biofuel (diesel in it)?

Answer 11: No. The tank contained regular diesel fuel.

Question 12: Has it been checked for FAME residual in the Tank?

Answer 12: There is no FAME residual in the tank.

Question 13: Do/Will labor standards apply?

Answer 13: That should be listed in the solicitation.

Question 14: Diesel Fuel in Tank – What is the current volume of diesel fuel in the tank?

Answer 14: See Answer 1.

Question 15: If fuel remains, is it required to be removed, filtered, and then returned upon completion of the cleaning process?

Answer 15: No.

Question 16: What is the reason for this effort? Is it due to recent contamination, water intrusion, or a change in fuel products?

Answer 16: There was algae contamination in the tank.

Question 17: What are the preferred procedures for contractors to handle the disposal of waste?

Answer 17: All waste products must be disposed of in accordance with state and local standards.

You should plan to haul all waste off base.

Question 18: Is there any sludge currently in the tank?

Answer 18: No.

Question 19: What is the preferred and proposed method of cleaning the tank

Answer 19: Pressure washing with an industry standard cleaning solution for an algae contaminated diesel tank.

Question 20: Is there a preferred chemical to clean the tanks? And are there products we should not use, that are prohibited in writing within any regulations or DAFI?

Answer 20: See Answer 19.

2. Please contact SrA Barron Kartchner Ramos at barron.kartchner_ramos@us.af.mil and Capt. Leonardo Dominguez at leonardo.dominguez.1@us.af.mil if you require any clarification for these responses.

Prepared By: Signed By:

BARRON A. KARTCHNER RAMOS, SrA, USAF LEONARDO E. DOMINGUEZ, Capt, USAF Contract Specialist Contracting Officer