MAHG 23-1012 Lott Questions and Answers comments 24-8-27AT.docx
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- Solicitation number
- FA301024R0010
About this file
This document contains a set of Questions and Answers related to Solicitation FA301024R0010 for the MAHG 23-1012 Clean Ductwork at Trent Lott Hall B2603 contract opportunity. The solicitation is a Historically Underutilized Business Zone (HUBZone) Set-Aside, with an estimated value between $250,000 and $500,000. The work involves cleaning the ductwork and addressing insulation issues in the building, including the area housing a flight simulator. Key details include:
The fire alarm system will be shut down from 7:00 AM to 3:00 PM daily to accommodate the work. A 45-ton/18,000 CFM temporary chiller unit will be required to maintain cooling for the flight simulator and other areas during the project, as the main AHU-3 unit will be shut down. The building will remain partially occupied during construction. The simulator is expected to remain in use throughout the project.
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Solicitation FA301024R0010 SAM Date: 27 August 2024 Questions & Answers
1. Statement of Work Section 3.8 states "The Contractor shall be able to accomplish this work between the hours of 7:00 AM and 5:00 PM." Will the fire alarm shop be able to support those work hours in order to have the fire alarm system shut down every morning before 7:00 AM and brought back online every afternoon after 5:00 PM, or are we to condense our work hours to accommodate their work schedule?
a. The Fire Alarm will be off at 7:00am and turn back on at 3:00pm.
2. Statement of Work Section 3.2.4 Page 4 specifies a 25-ton temporary rental package unit to cool space housing the flight simulator during the project. The simulator hydraulics, server, and server room are also cooled with the chilled water system. How does the government wish to maintain the load on the chillers during the project while AHU-3 is shut down to prevent short cycling and potentially damaging the chillers? Would the government like to remove the package unit requirement and replace it with a water cooled air handler instead so that the load on the chiller could be maintained?
A. The building’s chiller will operate both temporary AHU and cool the hydraulics for the simulator. The temporary AHU is the same size as AHU #3.
3. Is the building going to be occupied during the project?
a. Yes, building is partially occupied in other areas where the AHU is not shut down.
4. Will the simulator be in use at any point during the project?
a. Yes.
5. Ducting above the ceiling in the attic space in the simulator room on the East and West sides of the building noted to be sweating. Would the government like this problem to be addressed and remediated in the project?
a. Inspect the deterioration of the as-built insulations and air duct. Replace the supply air ducts insulation to current IECC and ASHRAE 90.1 standards of at least R-8 or R-12 if necessary. See Attachment 8 - Addendum 1 for additional requirement.
6. Statement of Work Section 3.2.4 Page 4 specifies a 25-ton package unit, which would be rated at 10,000 CFM on paper, but in reality would be closer to 7,000 CFM. Plans and specifications show the simulator room is supplied by an 18,000 CFM air handler. The air handler for this area will be shut down during cleaning, so this area will not receive any residual cooling from other areas supplied by AHU-3. Would the government like to increase the temporary cooling requirement to 45-ton / 18,000 CFM as called for per the drawings / heat load calculation?
a. Yes. Should use 45 ton/18000 CFM chilled water AHU-3 equal.
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