Western Regional Multiple Award Construction Contracts (WRMACC) 80AFRC25R0001

NASA/AFRC plans to issue a Request for Proposal (RFP) for the Western Regional Multiple Award Construction Contracts (WRMACC), Indefinity Delivery Indefinite Quantity (IDIQ) acquisition to perform construction services. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. The total ordering value of all contracts is $450,000,000.00 and the effort shall have a period of performance of five years. This acquisition is a a total small business set-aside. The NAICS Code and Size Standard are 236220 and $36.5M, respectively. The anticipated release date of the RFP is on or about July 1, 2025 with an anticipated offer due date of September 2025. The firm date for receipt of bids or proposals will be stated in the RFP. Drawings will be available via electronic methods, information for obtaining documents will be provided in the solicitation. All responsible sources may submit a proposal which shall be considered by the agency. NASA Clause 1852.215-84, Ombudsman, is applicable. The Center Ombudsman for this acquisition can be found at: https://www.hq.nasa.gov/office/procurement/regs/Procurement-Ombuds-Comp-Advocate-Listing.pdf. If a solicitation is released, then it will be available on www.sam.gov with instructions on how to obtain additional documents. It is the offeror's responsibility to monitor this website for the release of the solicitation and amendments (if any). Potential offerors will be responsible for downloading their own copy of the solicitation and amendments (if any). All contractual and technical questions or comments regarding this synopsis must be submitted via email to Contracting Officer, Cacie Carrillo, cacie.carrillo@nasa.gov and Contract Specialist, Eleonor Barron, eleonor.barron@nasa.gov. Telephone questions will NOT be accepted. Questions must cite the synopsis number and be submitted on or before June 27, 2025, at 4:00pm PST. Questions received after that time will be considered, but may not be answered. Additional information may be given by issuance of an amendment during the announcement period.

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments.

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments. Amendment 3: Provide the July 22, 2025, Pool 2 Southern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet.

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments. Amendment 3: Provide the July 22, 2025, Pool 2 Southern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 4: Provide the July 24, 2025, Pool 1 Northern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 5: Provide the Pool 2 Southern California site walk photos for requirement "Repair Apron and Taxiway Pavements and underground Fire Suppression System".

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments. Amendment 3: Provide the July 22, 2025, Pool 2 Southern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 4: Provide the July 24, 2025, Pool 1 Northern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 5: Provide the Pool 2 Southern California site walk photos for requirement "Repair Apron and Taxiway Pavements and underground Fire Suppression System". Amendment 6: Extend the proposal submission date to September 9, 2025 at 10:00a.m.PST.

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments. Amendment 3: Provide the July 22, 2025, Pool 2 Southern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 4: Provide the July 24, 2025, Pool 1 Northern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 5: Provide the Pool 2 Southern California site walk photos for requirement "Repair Apron and Taxiway Pavements and underground Fire Suppression System". Amendment 6: Extend the proposal submission date to September 9, 2025 at 10:00a.m.PST. Amendment 7: Provide responses to Request for Information (RFIs)/Questions, Incorporate resulting updates by issuing revised documents and attachments, as applicable.

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments. Amendment 3: Provide the July 22, 2025, Pool 2 Southern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 4: Provide the July 24, 2025, Pool 1 Northern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 5: Provide the Pool 2 Southern California site walk photos for requirement "Repair Apron and Taxiway Pavements and underground Fire Suppression System". Amendment 6: Extend the proposal submission date to September 9, 2025 at 10:00a.m.PST. Amendment 7: Provide responses to Request for Information (RFIs)/Questions, Incorporate resulting updates by issuing revised documents and attachments, as applicable. Amendment 8: Update solicitation as a result of the Revolutionary FAR Overhaul, Provide updated Pool 2 Southern California documents, as a result of Q&A responses, and remind offerors Acknowledgment of Amendments must include ALL Amendments. Amendment 9: Correction to Amendment 008, box 11, The hour and date specified for receipt of Offers is not extended. Proposals are due: Sept 09, 2025 10:00 am PDT Amendment 10: Provide updated Pool 2 Southern California document, Supplies AND/OR SERVICES TO BE PROVIDED, CLIN 3 has been updated for clarity.

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments. Amendment 3: Provide the July 22, 2025, Pool 2 Southern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 4: Provide the July 24, 2025, Pool 1 Northern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 5: Provide the Pool 2 Southern California site walk photos for requirement "Repair Apron and Taxiway Pavements and underground Fire Suppression System". Amendment 6: Extend the proposal submission date to September 9, 2025 at 10:00a.m.PST. Amendment 7: Provide responses to Request for Information (RFIs)/Questions, Incorporate resulting updates by issuing revised documents and attachments, as applicable. Amendment 8: Update solicitation as a result of the Revolutionary FAR Overhaul, Provide updated Pool 2 Southern California documents, as a result of Q&A responses, and remind offerors Acknowledgment of Amendments must include ALL Amendments. Amendment 9: Correction to Amendment 008, box 11, The hour and date specified for receipt of Offers is not extended. Proposals are due: Sept 09, 2025 10:00 am PDT Amendment 10: Provide updated Pool 2 Southern California document, Supplies AND/OR SERVICES TO BE PROVIDED, CLIN 3 has been updated for clarity. Amendment 11: Extend the proposal submission date to September 16, 2025 at 10:00a.m.PST.

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments. Amendment 3: Provide the July 22, 2025, Pool 2 Southern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 4: Provide the July 24, 2025, Pool 1 Northern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 5: Provide the Pool 2 Southern California site walk photos for requirement "Repair Apron and Taxiway Pavements and underground Fire Suppression System". Amendment 6: Extend the proposal submission date to September 9, 2025 at 10:00a.m.PST. Amendment 7: Provide responses to Request for Information (RFIs)/Questions, Incorporate resulting updates by issuing revised documents and attachments, as applicable. Amendment 8: Update solicitation as a result of the Revolutionary FAR Overhaul, Provide updated Pool 2 Southern California documents, as a result of Q&A responses, and remind offerors Acknowledgment of Amendments must include ALL Amendments. Amendment 9: Correction to Amendment 008, box 11, The hour and date specified for receipt of Offers is not extended. Proposals are due: Sept 09, 2025 10:00 am PDT Amendment 10: Provide updated Pool 2 Southern California document, Supplies AND/OR SERVICES TO BE PROVIDED, CLIN 3 has been updated for clarity. Amendment 11: Extend the proposal submission date to September 16, 2025 at 10:00a.m.PST. Amendment 12: Provide updated CLIN structure for "2 Pool 2 So Cal", and clarification and All Amendments must be acknowledged, if additional space is required to acknowledge all amendments on the SF1442, Offerers shall reference a separate sheet identifying each amendment by number and date.

The National Aeronautics and Space Administration (NASA) is procuring a multiple award Indefinite Delivery, Indefinite Quantity (IDIQ) Contract, Western Region Multiple Award Construction Contracts (WRMACC) to perform construction services with two distinct pool bases. The work acquired under this contract is for construction services of government facilities at various locations within the western region area of responsibly. WRMACC will cover both Northern California and Southern California. The majority of the construction work applied to this contract will be performed for NASA Armstrong Flight Research Center (AFRC), Ames Research Center (ARC), NASA Office of JPL Management and Oversight (NOJMO), and United States Air Force, Edwards Air Force Base, Ca (EAFB) will also be available to other locations to include: Goldstone Deep Space Communications Complex (GDSCC) in Fort Irwin, Ca; Santa Susana Field Laboratory (SSFL) in Simi Valley, Ca. and Air National Guard, Channel Islands, Ca. Future support may be performed at other NASA centers or government agencies, as required by the Government. VIRTUAL PREPROPOSAL/PRE-BID CONFERENCE A virtual conference via MS TEAMS will be held July 9, 2025, at 1:00PM PST. All interested Offerors attending the virtual conference must submit the full name of the attendee(s) and email address no later than July 9, 2025, by 9:00AM, PST. SITE VISIT/ PREPROPOSAL/PRE-BID CONFERENCE Pool 2: Southern California Date:07/22/2025 Time:9:00am PST Location: NASA Armstrong Flight Research Center Bldg. 4825 Lily Drive Edwards, California 93523 Pool 1: Northern California Date: 07/24/2025 Time: 9:00am PST Location: NASA Ames Research Center Bldg 258 Allen Road Moffett Field, California 94035 Amendment 1: Incorporates the virtual pre-proposal conference and attendance sheet. Amendment 2: Revises the Request for Proposal (RFP), Incorporates the initial Request for Information (RFI) responses and clarifications, Provides revised attachments, Updates Wage Determination for both Pool 1 and Pool 2 Model Task Orders, and adds additional attachments. Amendment 3: Provide the July 22, 2025, Pool 2 Southern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 4: Provide the July 24, 2025, Pool 1 Northern California Pre-proposal/Pre-Bid Conference/Site walk Presentation slides and sign-in sheet. Amendment 5: Provide the Pool 2 Southern California site walk photos for requirement "Repair Apron and Taxiway Pavements and underground Fire Suppression System". Amendment 6: Extend the proposal submission date to September 9, 2025 at 10:00a.m.PST. Amendment 7: Provide responses to Request for Information (RFIs)/Questions, Incorporate resulting updates by issuing revised documents and attachments, as applicable. Amendment 8: Update solicitation as a result of the Revolutionary FAR Overhaul, Provide updated Pool 2 Southern California documents, as a result of Q&A responses, and remind offerors Acknowledgment of Amendments must include ALL Amendments. Amendment 9: Correction to Amendment 008, box 11, The hour and date specified for receipt of Offers is not extended. Proposals are due: Sept 09, 2025 10:00 am PDT Amendment 10: Provide updated Pool 2 Southern California document, Supplies AND/OR SERVICES TO BE PROVIDED, CLIN 3 has been updated for clarity. Amendment 11: Extend the proposal submission date to September 16, 2025 at 10:00a.m.PST. Amendment 12: Provide updated CLIN structure for "2 Pool 2 So Cal", and clarification and All Amendments must be acknowledged, if additional space is required to acknowledge all amendments on the SF1442, Offerers shall reference a separate sheet identifying each amendment by number and date. Amendment 13: Provide additional clarification for Pool 1.