Attachment H - N4008017R0006 - Multiple HVAC - PPI 2 Government Response.xlsx

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REPAIR HVAC – MULTIPLE BUILDINGS – FY23
Solicitation number
N4008017R0006
Issued by

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This document contains pre-proposal inquiries and responses for federal contract solicitation N4008017R0006 to repair HVAC systems and replace roofs at multiple buildings at Marine Corps Base Quantico in Virginia. The solicitation is seeking replacement of refrigerant and condensation piping for several buildings, along with DX coils and piping. Other buildings require repairing HVAC deficiencies or replacing exterior ductwork as needed. Testing and repair or replacement of underground piping systems is also within scope. The contractor will be expected to negotiate transfer of equipment rentals from other contractors. Eight questions were answered in the document to clarify the work requirements.

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Other files

File Type Posted
RFP Attachment A - Statement of Work revised 8-22-2023.pdf PDF
N4008017R0006- RFP Amendment 0006 - Repair HVAC Multiple Bldgs FY23.pdf PDF
RFP Attachment C - Price Proposal Form revised 8-22-2023.xlsx XLSX spreadsheet
N4008017R0006- RFP Amendment 0005 - Repair HVAC Multiple Bldgs FY23.pdf PDF
N4008017R0006- RFP Amendment 0004 - Repair HVAC Multiple Bldgs FY23.pdf PDF
Attachment J - N4008017R0006 - Multiple HVAC - PPI 4-6 Government Response.xlsx XLSX spreadsheet
N4008017R0006- RFP Amendment 0003 - Repair HVAC Multiple Bldgs FY23.pdf PDF
Attachment I - N4008017R0006 - Site Visit Bldg 3098 7-26-23.pdf PDF
N4008017R0006- RFP Amendment 0002 - Repair HVAC Multiple Bldgs FY23.pdf PDF
RFP_Attachmen A - SOW Repair HVAC Multiple Bldgs FY23 revised.pdf PDF
Attachment F - N4008017R0006 - Site Visit Log 7-19-23.pdf PDF
N4008017R0006- RFP Amendment 0001 - Repair HVAC Multiple Bldgs FY23.pdf PDF
Attachment E - N4008017R0006 - Multiple HVAC - PPI Government Response.xlsx XLSX spreadsheet
Attachment D - DBA Wage Determination VA20230162.pdf PDF
Attachment B - Pre-Bid Proposal Inquiry Form.xlsx XLSX spreadsheet
Attachment A - SOW Repair HVAC Multiple Bldg FY23.pdf PDF
N4008017R0006- Request For Proposal - Repair HVAC Multiple Bldgs. FY23.pdf PDF
Attachment C - Price Proposal Form.xlsx XLSX spreadsheet
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Sheet1

AMENDMENT 0003
ATTACHMENT A - N4008017R0006 - GOVERNMENT RESPONSE TO PRE-PROPOSAL INQUIRIES
Question No.Date ReceivedREFERENCEQUESTIONGOVERNMENT RESPONSEPosted on Amend No.
PageSectionPara.
18/2/23---Bldg. 2077 – Please confirm the only piping system to be replaced is the DX refrigerant lines. Confirm all others to be disconnect/reconnect to new AHU? Please provide drawings if available.Only piping to be completely replaced is the refrigerant and condensation piping.Hot water piping may need pipe fittings and/or sections replaced for new connections. Drawing provided under Amendment 0002 submitted 7/28/2023.0003
28/2/23---Bldg. 26100 – Please clarify if the entire AHU is to be replaced or just the DX Coils and Piping. Please provide drawings if available.Replace piping and DX coils only, If existing AHU is operable and can accommodate new DX coil, per equipment manufacturer specification and doesn’t affect new equipment warranty. The Government does not have drawings for Bldg 26100.0003
38/2/23---Bldg. 24193 – Please confirm if Temporary unit is to remain during replacement or if rental will be transferred after award. Please confirm if transformer is to remain or to be replacedContractor will be able to negotiate with the QBOS Contractor to take over the rental of the chiller after contract award. Transformer shall be replaced with proper equipment transformer. Existing is distribution type.0003
48/2/23---3240 – Please clarify if all exterior duct is to be replaced.Provide duct fittings for new equipment connections. Replace any compromised sections of duct.0003
58/2/23---3255 – Please confirm the 2 chillers are to remain. Please confirm this project only consists of finding and repairing deficiencies.Confirmed. This project is repairing deficiencies with the building AHU's and associated DDC.0003
68/2/23---Bldg. 2074 - Please confirm if Temporary unit is to remain during replacement or if rental will be transferred after award. Please confirm Underground piping repair/replacement not in scopeContractor will be able to negotiate with the QBOS contractor to take over the rental of the chiller after their contract award. Underground piping loop shall remain if sizing is adequate for new chiller manufacturer specifications.Piping loop shall be pressure tested for leaks. Any leaks identified shall be repaired and loop properly flushed before new connections.0003
78/2/23---Bldg. 2074 - Please confirm boilers at Chiller location are not in scope. Please confirm all exterior pipe at chiller/boiler location to be removed/replaced.Boilers are not part of scope. Confirmed. Replace exterior chiller piping above ground to and from chiller.0003
88/2/23---Bldg 2074- Please clarify if the replacement of the 2 CHW pumps in mechanical room are in scope. Will Underground CHW pipe testing be desired?Replace the two CHW pumps. New pumps shall accommodate new chiller flow rates. Test underground piping for proper flow and for leaks. Flush before new connections.0003

SOLICITATION NO. &"-,Bold"N4008017R0006&"-,Regular" PROJECT TITLE/LOCATION: Repair HVAC and Replace Roof, Davis Center, Building 3300, Marine Corps Base Quantico, VA 22134

Attachment B: Pre-Bid/Proposal Inquiry Form
&"-,Italic"&KFF0000

July 2016

Sheet2

Sheet3

File details come from the government source that posted it. Updated .