330 HVAC_QA.xlsx
XLSX spreadsheet 24 KB Posted
- Attached to
- HVAC Chillers
- Solicitation number
- FA4626-25-Q-0019
About this file
This file is a Questions and Answers (Q&A) document for Solicitation Number FA4626-25-Q-0019, which involves the procurement of four HVAC chillers for Malmstrom Air Force Base in Montana. The solicitation requires one 70-ton HVAC chiller with a cold start and dry cooler, one 90-ton chiller, one 40-ton chiller, and one 50-ton chiller, with specific technical specifications including air-cooled operation, 460V 3PH 60HZ electrical requirements, and propylene glycol and water as process fluid.
Key details include delivery to 341 CES at Malmstrom AFB, no installation required, factory startup needed, and no specific brand preference. Technical specifications are consistent across questions, with entering water temperature at 55F, leaving temperature at 45F, design ambient temperature of 95F, and altitude of 3,600 feet. The chillers are for comfort cooling, with a 50% glycol mix. Questions were due by April 27th, and the document clarifies voltage, power, and operational requirements to potential bidders. The solicitation is issued by the Department of the Air Force Global Strike Command.
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| Attch 1_Salient Characteristics_HVAC Chillers.pdf | ||
| Attch 2_Clauses.pdf |
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Text version
Sheet1
| HVAC Units/ FA4626-25-Q-0019 | |||
| Questions and Answers | |||
| Question # | Question | Answer | |
| 1 | |||
| Air-cooled / Water-cooled? | Air Cooled | ||
| 2 | Indoor/Outdoor? | Outdoor | |
| 3 | Chiller setpoint? | 45F | |
| 4 | Process return temperature? | 55F | |
| 5 | Is pumping and/or tank required? | No | |
| 6 | Process fluid (water / propylene glycol) | Propylene glycol and water | |
| 7 | How much power do you have to tie into these chillers? (If you need power we can bring in generators) | Power is on site | |
| 8 | We would need to know your hose/cable runs. | Awaiting question clarification. | |
| 9 | Can you please provide the complete specs required in the chillers? | 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |
| 10 | Can you provide any model number for the reference? | 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |
| 11 | Can you confirm that this is Buy American? | N/A | |
| 12 | Please confirm the voltage? | 460V 3PH 60HZ | |
| 13 | Please confirm that these are air cooled chillers? | Yes | |
| 14 | Is this existing equipment and if so can you please provide pics of the tags? | Awaiting question clarification. | |
| 15 | What are the voltage requirements? | 460V 3PH 60HZ | |
| 16 | Are the chillers indoor or packaged outdoor units? | Outdoor | |
| 17 | Are the units self-contained with pumps, tanks etc.? | no | |
| 18 | Where would you need them to be delivered to? | 341 CES Malmstrom AFB Montana | |
| 19 | Will you require factory startups? | Yes | |
| 20 | Could you please provide the complete specifications of the Chillers? | 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |
| 21 | Incoming and Leaving Water Temperatures – Could you please provide the desired entering and leaving water | ||
| temperatures for each chiller unit? | 45F 55F | ||
| 22 | Power Requirements – Please confirm the electrical specifications required for each unit (e.g., voltage, phase, frequency). | 460V 3PH 60HZ | |
| 23 | Installation Site Conditions – If available, any additional site-related data (e.g., ambient conditions, available space | ||
| for dry cooler) would also be helpful. | Ready for unit and Drycooler | ||
| 24 | Could you kindly send over specifications for each unit? | 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |
| 25 | Please advise voltage needed, what options are needed, any specific capacity requirements - | ||
| flow rates, temperature requirements etc. | 460 3 60 | ||
| 26 | Would you happen to know the Pre-existing Unit info for the chillers that are being replaced? | Model = AGZ004F 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |
| 27 | Do you have any specs for this equipment? | 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |
| 28 | Design winter ambient temps? | -30 | |
| 29 | Design voltage? | 460 | |
| 30 | Design fluid temps? | 45F | |
| 31 | Specifically looking for info on: | ||
| • | Chiller Voltage | ||
| • | Tonnages listed are nominal or at specific performance criteria? Glycol %? | ||
| • | Dry cooler capacity and change over temp for full capacity? | ||
| • | No installation is required, but is offloading or any other site work necessary? | 460V 50% Glycol 100 Percent capacity 45 degree change over NO | |
| 32 | I need a bit more information regarding the electrical voltages as well as the glycol cooler. Could you please confirm if you require 480V 3-phase or 208-240V 3-phase? How many CFM on glycol cooler? How many gallons per minute needed for sufficient flow? What are the entering and leaving water temps? | 460V 3PH 60HZ | |
| 33 | I am currently seeking to submit a bid for the respective solicitation and would like to inquire if you can provide the detailed specifications for all four chillers. | ||
| 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |||
| 34 | |||
| Are there any specifications such as the voltages and unit optimizations that can be provided? | 460V 3PH 60HZ | ||
| 35 | |||
| Are there any specifications such as the voltages and unit optimizations that can be provided? | 460V 3PH 60HZ | ||
| 36 | Could you please confirm whether the chillers should be configured as single-circuit systems or dual-circuit systems for redundancy | ||
| and operational reliability? | Either | ||
| 37 | I am currently seeking to submit a bid for the respective solicitation and would like to inquire if you can provide the detailed | ||
| specifications for all four chillers | 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | ||
| 38 | Could you please clarify the voltage required for the HVAC Chillers Solicitation Notice ID FA4626-25-Q-0019 | ||
| submitted on Sam.gov? | 460V 3PH 60HZ | ||
| 39 | Could you please mention more specifications regarding this request? | 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |
| 40 | What process will these chillers be serving? (Comfort Cooling or Manufacturing or other Process Coolin)? | Comfort | |
| 41 | What voltage do the chillers need to be? | 460V 3PH 60HZ | |
| 42 | Footprint of chillers? I see the Salient Characteristic document, but want to more information with square footage of pad and thickness etc. | PAD will be poured to fit unit after unit has been delivered | |
| 43 | To quote standard units we will need electrical power supply and certainly elevation and confirm ambient conditions. | 460V 3PH 60HZ | |
| 44 | Is the "cold start and dry cooler" only required for the 70 ton? | Yes | |
| 45 | The solicitation states that no installation is required, but who is responsible for offloading the chillers from the truck when | ||
| they arrive on site? | 341 CES | ||
| 46 | Was there a Brand preference? | No specific brand preffered. Chiller must satisfy specifications. | |
| 47 | Are there any specifications such as the voltages and unit optimizations that can be provided? | 460V 3PH 60HZ | |
| 48 | Blueprints and Layout Drawings: | ||
| o | Scaled diagrams that detail the dimensions of the equipment and the pad. | ||
| o | Include placement, clearances, and any necessary anchoring points. | ||
| If there are any technical documents, specifications, or resources available, I would be grateful if you could share them. | N/A | ||
| 49 | Re the request for the (4) HVAC Chillers. Was there a Brand preference? | ||
| No specific brand preffered. Chiller must satisfy specifications. | |||
| 50 | What process will these chillers be serving? (Comfort Cooling or Manufacturing or other Process Cooling)? | Comfort | |
| 51 | What voltage do the chillers need to be? | 460V 3PH 60HZ | |
| 52 | Can you please provide a detailed item specification to the HVAC Chillers Solicitation Notice ID FA4626-25-Q-0019 posted on sam.gov? | 67Ton 460V 60HZ 3 Ph Air cooled scroll compresor Entering temp 55F leaving 45F fluid flow 178.5 Design ambient temperature 95F Altitude 3600FT | |
| 53 | Is the "cold start and dry cooler" only required for the 70 ton? | Yes | |
| 54 | Upon review, it is evident that we need additional information, such as referenced brand, model numbers, product details such as equipment voltages, etc. in order to be able to put together a quotation. | 460V 3PH 60HZ | |
| 55 | Will there be a submittal and review process for the proposed chillers prior to, or after the date of contract? If so will the time in review be considered as part of the 90-days? | There is not a submittal process.The product quoted must meet the specifications within the solicitation. | |
| 56 | Are there liquidated damages or other considerations if this deadline is not met? | Considerations will be pursued if the delivery deadline is not met. | |
| 57 | Lead times on equipment can fluctuate. Do you want information of the current published lead times for the prosed chillers provided on the solicitation? | No, as long as the product arrives within the delivery deadline. | |
| 58 | We are tracking SAM.GOV but still there is no addendum for the specifications of the chillers. | ||
| Could you please let us know how long it will take you to get it published on the website. | This document is intended to clarify specifications needed for this requirement. |
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&"Times New Roman,Regular"&P of &N
Sheet2
| remove draft stamp |
| topr may 4th 3 pm |
| questions due by the 27th of April |
| Wage Determination |
| Skim through TOPR |
File details come from the government source that posted it. Updated .