15. Questions and Answers _7.12.24_6973GH-24-R-00121_VTD.pdf
PDF 186 KB Posted
- Attached to
- VTD Upgrades
- Solicitation number
- 6973GH-24-R-00121
About this file
This document contains Questions and Answers/Substitution Requests related to Solicitation Number 6973GH-24-R-00121 for the VTD Upgrades project at the Mike Monroney Aeronautical Center in Oklahoma City, OK. The solicitation is for upgrading the HVAC systems, including two 100-ton air-cooled chillers, constant volume primary chilled water pumps, variable flow secondary chilled water pumps, variable air volume air handling units, and computer room air-conditioning units. The project also includes site drainage rework, new natural gas piping, and replacement of an existing diesel engine generator with a natural-gas engine generator. The document addresses various substitution requests, clarifies project requirements, and provides responses to questions from bidders. Proposals for this solicitation are due by 5:00 pm Central Time on June 28, 2024, with early submission accepted.
View the file
Other files
Show all 26
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
QUESTIONS AND ANSWERS/SUBSTITUTION REQUESTS
6973GH-24-R-00121
19-035903 VTD UPGRADES
JULY 12, 2024
1. Window suppliers wants to submit the atached subs�tu�on request for the window store fronts. See atached pdf �tled
MMAC VTP Storefront Subs�tu�on Request [17677].
Government Response: Storefront Substitution is approved as noted.
2. Roofing subs�tu�on for the subject project. See atached pdf’s �tled:
DEXcell FA Glass Mat Submital FAA VTD Upgrades siplast_paratech_glass_base_cpds siplast_paratech_glass_cap_fr_cpds
Government Response: Roofing Substitution request is approved. See PDF titled FAA VTD Upgrades-Roofing SubReq_SA-APP.pdf.
3. Request for equipment subs�tu�on request for VTD building upgrades. See atached pdf �tled:
Prior Approval_FAA VTD Upgrades
Government Response: Expansion Tank, Glycol Feeder and CHW Buffer Tank are approved. Aerco Boiler is not approved. Provide boiler scheduled. Add the ModSync boiler control panel.
4. Spec Sec�on 08 62 00 – Unit Skylights; Paragraph 2.02 – Performance Requirements states, “Energy Code Compliance: Comply with ICC (IBC), ASHRAE Std 90.1 I-P, or the authori�es having jurisdic�on as required for unit skylights.”
a. Please confirm if this is meant to be IECC for energy code.
b. Please confirm what version of IECC needs to be met for thermal performance.
Government Response: IECC Code adopted by the State of Oklahoma is 2006 IECC Code.
19-035903 VTD UPGRADES
5. Atached subs�tu�on request for the subject project. See atached pdf �tled:
MOC Subs�tu�on Request During Bidding - 6973GH-24-R-00121 VTD Upgrades
Government Response: Specifications call for a gypsum cover board. The ¼” asphaltic substrate board is not acceptable.
6. Past Performance Survey Line Item #2: Do we change the relevant project listed in this item from HQB Building Lobby Remodel to VTD Upgrades or will an amendment be issued to correct this por�on of the PPQ?
Government Response: Typo is noted. Past Performance Survey has the correct header and project. Relevant project is the header project listed. Form corrected on SIR Amendment 0005.
7. Solicita�on, Offer and Award shows a bid bond is required. Sec�on L – Instruc�ons, Condi�ons and No�ces to Bidders does not specify where to provide the bid bond in our proposal.
a. Is Bid Bond to be mailed/delivered to FAA or is it to be included in our proposal in
Sec�on I – Contract Documenta�on?
Government Response: Bid Bonds are to be submitted with Section I – Contract Documentation. Hard copies must be mailed.
19-035903 VTD UPGRADES
JULY 12, 2024
8. Drawing S-000 Steel Deck Note 2A. “Steel roof deck shall be Alliancelok16 Tripleok Seam 24ga 16” wide.” Alliancelok16 Tripleok Seam 24ga is a metal roof panel type not a steel roof deck.
a. Please clarify roof deck design intent for canopy.
Government Response: Omit the word STEEL ROOF DECK and replace with METAL ROOF PANEL in the note, the intent is to use Alliancelok16 metal roof panel as detailed on the Construction Documents for the canopy.
9. Demoli�on Plan D201 Note #3 shows to remove two pairs of double doors that are in the storefront curtain walls at the west and east main entrances. Floor Plan sheet A201 Note #5 shows to remove and replace door #129 fan room with no notes on the doors at the west and east main entrances. A401 Door & Frame schedule only lists one pair of hollow metal double doors and frame for Mark 120.
a. Please clarify door replacement scope.
Government Response: Both pairs of double doors in the storefront curtain walls at the west and east main entrances shall not be replaced. Note #3 shall be deleted from the demolition drawing.
10. Please provide desired dura�on and schedule of re-roof work. Will re-roof work be phased or will all re-roof work be concurrent?
Government Response: Re-roofing work is planned to be concurrent. Re-roof construction activities will be during the shutdown periods outlined in the Construction Schedule issued with the construction documents.
11. The construc�on schedule provided as atachment 5 of the solicita�on call for “Whole Building Shutdown” scheduled for “Dec. 2024 - Mid Jan 2026”. Please confirm these dates and an�cipated holiday closures during the project.
Government Response: Please refer to latest Construction Schedule.
12. The construc�on schedule provided as atachment 5 calls for Exterior (day�me work) and Work to Prep for Shutdown (nigh�me work) to be performed concurrently October 2024 through November 2025. Does the Government an�cipate this project having two shi�s of work during this �meframe?
Government Response: The construction documents outline the time periods the contractor can work and the completion date. The number of shifts is to be determined by the contractor.
19-035903 VTD UPGRADES
13. Can the Government provide the type of acous�cal ceiling panels and grid that are currently installed in the facility?
Government Response: The government has a limited amount of ceiling tile spare stock. The contractor needs to use caution.
14. Please provide weight ra�ng for the exis�ng raised computer access flooring.
Government Response: 2,000 lbs. per 4.0 SF raised floor tile or 500 lbs, per
1.0 SF. The contractor should brace the existing floor as required to install the new computer room units.
15. Spec sec�on 23 01 30.52 calls to clean all exis�ng supply and return ductwork in the building.
Please confirm that exis�ng ductwork is not flexduct or have exposed insula�on on interior side.
Government Response: There is some flexible duct used for runouts. Flexible duct is not to be cleaned. There is some ductwork in the mechanical rooms that is internally lined which is to be cleaned per the specifications.
16. Spec sec�on 23 05 93 paragraph 1.2.6 calls for the contractor to provide pipe leakage tes�ng.
Please confirm that contractor is to provide pipe leakage tes�ng on new piping installed (not exis�ng piping)
Government Response: All HVAC piping is to be tested. Report any leaks in the existing piping to the contracting officer. Contractor shall not be responsible for repairing leaks in the existing piping.
17. Spec sec�on 23 05 93 paragraph 3.14 call for the contractor to provide duct leakage tes�ng.
Please confirm that this tes�ng is only required for new ductwork installed with this project (not exis�ng ductwork).
Government Response: Duct leakage test are to be performed only on new ductwork.
18. Spec sec�on 26 05 73 calls for contractor to provide a full arc flash study of the facility. Typically, these studies are performed during the design process and it does not seem like a good value on this current project design.
Government Response: The contractor should include a full arc flash study of the facility as specified.
File details come from the government source that posted it. Updated .