# Johnson Space Center Multiple Award Construction Contract (JMACC) Canonical: https://abierto.us/opportunities/80jsc026r0008 - Solicitation number: 80JSC026R0008 - Notice type: Award notice (first published as presolicitation) - Status: Awarded to Coho Construction Management LLC for $300,000,000.00 - Department: National Aeronautics and Space Administration - Contracting office: NASA Johnson Space Center (80JSC0) - NAICS: 236210 Industrial Building Construction - Product or service code: Y1EZ Construction Of Other Industrial Buildings - Place of performance: Houston, Texas - County: Harris County (FIPS 48201). https://abierto.us/counties/harris-county-tx-48201 - City: Houston. https://abierto.us/cities/houston-tx-4835000 - First posted: January 22, 2026 - Last posted: June 3, 2026 - SAM.gov: https://sam.gov/workspace/contract/opp/a7b4c941fdb94ac1972a423e3ec3adfb/view ## Description NASA/Johnson Space Center is issuing a Request for Proposal (RFP) for the Johnson Space Center Multiple Award Construction Contract (JMACC), 80JSC026R0008. The Johnson Space Center (JSC) Multiple Award Construction Contract (JMACC) will be a Multiple Award, Indefinite Delivery, Indefinite Quantity (IDIQ) contract vehicle for construction, revitalization, recapitalization, and infrastructure improvement projects at Johnson Space Center (JSC) and White Sands Test Facility (WSTF). The JMACC is not a requirements contract and is therefore not mandatory for all construction work at JSC or WSTF. It is intended to serve as a highly flexible construction contracting vehicle to support mission-critical facility needs. All contractors will need to have capacity to manage multiple Task Orders. The scope of work under the JMACC includes, but is not limited to: • General construction. • Alteration, modification, and renovation of existing facilities. • Maintenance and repair of buildings and infrastructure. • Demolition of structures and facilities. • Design-build services. • New construction of buildings, facilities, and real property NASA will conduct this acquisition as a full and open competition. The North American Industry Classification System (NAICS) code for this acquisition is 236210 and the small business size standard is forty-five million. This competitive acquisition will result in a Multiple Award, Indefinite Delivery Indefinite Quantity (IDIQ) with the ability to issue Firm-Fixed Price (FFP) task orders. The contract will have a base period of three (3) years from the date of award. You are notified of the following: 1. Proposals submitted in response to this solicitation shall be due no later than April 14, 2026, 1:00 P.M. Central Time. Proposals for this solicitation are required to be submitted through NASA’s Enterprise File Sharing and Sync Box (EFSS Box), a FedRAMP Moderate certified platform. Potential offerors, especially those that have not previously submitted a proposal utilizing NASA’s EFSS Box, are encouraged to review the solicitation instruction entitled “Electronic Proposal Delivery - Proposal Marking and Delivery Through NASA’s EFSS Box” which provides instructions related to the submission of proposal via EFSS Box. Offerors are encouraged to check with their corporate IT staff to determine if there are firewall restrictions that would need to be addressed prior to the submission of proposal files through NASA’s EFSS Box. 2. All questions regarding this RFP should be submitted in writing, electronically to William Long, Contracting Officer, at William.r.long@nasa.gov on or before March 16, 2026, 10:00 A.M. Central Time. Offerors are encouraged to submit questions as soon as possible for consideration. 3. The RFP and all attachments in their entirety are located in NASA’s Enterprise File Sharing and Sync Box (EFSS Box) at the following link, https://nasagov.app.box.com/s/3abflljut7dptlzco0v1vcqvhyjp753u The link is also provided below in this posting. 4. The Technical Library is available in NASA’s Enterprise File Sharing and Sync Box (EFSS Box) at the following link, https://nasagov.app.box.com/s/3abflljut7dptlzco0v1vcqvhyjp753u The link is also provided below in this posting. 5. If you have any issues accessing NASA’s Enterprise File Sharing and Sync Box (EFSS Box), please contact the Contracting Officer, William Long at william.r.long@nasa.gov and Contract Specialist Kylee Salmeron at kylee.m.salmeron. 6. A preproposal/pre-bid conference and Site Visit is anticipated and will be held as indicated below: **Date:** **Monday, March 9, 2026 Time:** 2:00 P.M. to 5:00 P.M. Central Time Location: Building 13 Room 156, Johnson Space Center Please note that this event will be conducted in-person and no virtual option will be provided. Attendance at the preproposal conference / Site Visit is recommended; however, attendance is neither required nor a prerequisite for proposal/bid submission and will not be considered in the evaluation. Offerors are required to notify the Contracting Officer by e-mail no later than Wednesday, March 4, 2026, at 9:00 A.M. Central Time to confirm attendance and specify the names of the attendees from their respective companies. Further detals are located in the RFP and RFP cover letter. NASA anticipates releasing the Pre-Proposal Conference charts after the Pre-Proposal Conference. Please continue to monitor this SAM.gov posting for updates on the release of any documents. NASA FAR Supplement (NFS)clause 1852.215-84, Ombudsman, is applicable. The Ombudsman for this acquisition is Donna M. Shafer, donna.m.shafer@nasa.gov, 281-483-4258. It is the offeror's responsibility to monitor this website for amendments to this solicitation and other information. Potential offerors will be responsible for downloading their own copy of the solicitation and amendments. Prospective offerors are encouraged to notify the Contracting Officer of their intent to submit an offer. Modification 1 – 3/9/2026 – Added Pre?proposal Conference Slides to SAM posting and Box site. Modification 2 - RFP Amendment 0001 Issued 3/11/2026 - Change RFP questions due date: **From:** March 11, 2026 at 10:00 A.M. CST. **To:** March 16, 2026 at 10:00 A.M. CST. 2. Change Proposal due date: **From:** March 30, 2026 at 1:00 P.M. CST. **To:** April 6, 2026 at 1:00 P.M. CST. Modification 3 - 3/26/2026 Added Johnson Space Center Multiple Award Construction Contract (JMACC) - Website to Sam.gov posting. Modification 4- 4/2/2026 RFP Amendment 0002 Issued and provided Preproposal - Pre-bid Conference Attendee List 1. Extend the proposal due date from 04/06/2026 at 1:00 PM CST to 04/14/2026 at 1:00 PM CST. Reference Section L.17 .2. 2. Incorporate Questions and Answers received on the JMACC Request for Proposal (RFP). See pages 6-23 Of Amendment 0002. 3. Replace the RFP in its entirety. See the Change Log on Pages 2-5 of Amendment 0002. Amendment 0002 Documents and attachments are provided at the below JMACC RFP Box link. Any Questions that the Government received by the Question Due date that has not been addressed in Amendment 0002, will be addressed in a additional Amendment at a later date. Modification 5 - 4/8/2026 - Issued RFP Amendment 0003 The purpose of Amendment 0003 is to: 1. Incorporate remaining Questions and Answers received on the JMACC Request for Proposal (RFP). See page 3. 2. Amendment 0003 revises only the Government responses to the questions and answers previously issued in Amendment 0002 on page 4. No other questions or answers are affected. See page 4. 3. Replace Attachment L-A Model Task Order in its entirety. See the Change Log on page 2. *Please note that the Government does not intend to extend the proposal due date based on the content of Amendment 0003. ## Award on USAspending - Recipient: Hitt Contracting, Inc. (UEI RRKASFUKYMJ4) - Contract: 80JSC026F0056 under 80JSC026D0012, delivery order - Obligated: $30,259,198.00 - Competition: Full and Open Competition, 9 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_AWD_80JSC026F0056_8000_80JSC026D0012_8000/ - Recipient: Ross Group Construction Corporation, LLC (UEI V6HKCK56TE45) - Contract: 80JSC026F0071 under 80JSC026D0013, delivery order - Obligated: $30,899,702.00, current value $30,904,702 - Competition: Full and Open Competition, 6 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_AWD_80JSC026F0071_8000_80JSC026D0013_8000/ - Recipient: Sauer Construction, LLC (UEI SBVUVJ2G3NL4) - Contract: 80JSC026F0078 under 80JSC026D0015, delivery order - Obligated: $17,165,000.00 - Competition: Full and Open Competition, 6 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_AWD_80JSC026F0078_8000_80JSC026D0015_8000/ - Recipient: Coho Construction Management LLC (UEI FZ69K4JMMWA3) - Contract: 80JSC026D0009 - Obligated: $5,000.00 - Competition: Full and Open Competition, 9 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_IDV_80JSC026D0009_8000/ - Recipient: Conti Federal Services, LLC (UEI NVSLLHE5WCE5) - Contract: 80JSC026D0010 - Obligated: $5,000.00 - Competition: Full and Open Competition, 9 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_IDV_80JSC026D0010_8000/ - Recipient: Healtheon, Inc. (UEI YNMQH3WNRBN5) - Contract: 80JSC026D0011 - Obligated: $5,000.00 - Competition: Full and Open Competition, 9 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_IDV_80JSC026D0011_8000/ - Recipient: Hitt Contracting, Inc. (UEI RRKASFUKYMJ4) - Contract: 80JSC026D0012 - Obligated: $0.00 - Competition: Full and Open Competition, 9 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_IDV_80JSC026D0012_8000/ - Recipient: Ross Group Construction Corporation, LLC (UEI V6HKCK56TE45) - Contract: 80JSC026D0013 - Obligated: $5,000.00 - Competition: Full and Open Competition, 9 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_IDV_80JSC026D0013_8000/ - Recipient: Energy Epc Solutions, LLC (UEI EN5UWMFUAZM1) - Contract: 80JSC026D0014 - Obligated: $5,000.00 - Competition: Full and Open Competition, 9 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_IDV_80JSC026D0014_8000/ - Recipient: Sauer Construction, LLC (UEI SBVUVJ2G3NL4) - Contract: 80JSC026D0015 - Obligated: $5,000.00 - Competition: Full and Open Competition, 9 offers received - Link: solicitation number 80JSC026R0008 equals the FPDS solicitation identifier; same awarding office 80JSC0 (high confidence) - Record: https://www.usaspending.gov/award/CONT_IDV_80JSC026D0015_8000/ ## Publications - January 22, 2026: Presolicitation, due February 6, 2026 at 1:00 PM EST. Notice d9f368baaea642749cf3c505cdaa9255. https://sam.gov/workspace/contract/opp/d9f368baaea642749cf3c505cdaa9255/view - February 27, 2026: Solicitation, due March 30, 2026 at 2:00 PM EDT. Notice a1e2584e5c4245c0892ce3c4f18b7137. https://sam.gov/workspace/contract/opp/a1e2584e5c4245c0892ce3c4f18b7137/view - March 9, 2026: Solicitation, due March 30, 2026 at 2:00 PM EDT. Notice 76a9cf6c18f0403183e1335e3e59613d. https://sam.gov/workspace/contract/opp/76a9cf6c18f0403183e1335e3e59613d/view - March 11, 2026: Solicitation, due April 6, 2026 at 2:00 PM EDT. Notice f83b667142334455a3d6a204c5280457. https://sam.gov/workspace/contract/opp/f83b667142334455a3d6a204c5280457/view - March 26, 2026: Solicitation, due April 6, 2026 at 2:00 PM EDT. Notice 6121156be27b440a838fdf3652d47ed4. https://sam.gov/workspace/contract/opp/6121156be27b440a838fdf3652d47ed4/view - April 2, 2026: Solicitation, due April 14, 2026 at 2:00 PM EDT. Notice 0d5bafa8a7d1487d926cafee5e9ec1cd. https://sam.gov/workspace/contract/opp/0d5bafa8a7d1487d926cafee5e9ec1cd/view - April 2, 2026: Solicitation, due April 14, 2026 at 2:00 PM EDT. Notice 415bb95f6a82441481697ee50eb9bae9. https://sam.gov/workspace/contract/opp/415bb95f6a82441481697ee50eb9bae9/view - April 8, 2026: Solicitation, due April 14, 2026 at 2:00 PM EDT. Notice 09f9af4097b54d9da311bd2e7b3cd1f6. https://sam.gov/workspace/contract/opp/09f9af4097b54d9da311bd2e7b3cd1f6/view - June 3, 2026: Award notice. Notice 0e264f326ab345a7841eb7aa5cc44fda. https://sam.gov/workspace/contract/opp/0e264f326ab345a7841eb7aa5cc44fda/view - June 3, 2026: Award notice. Notice 172b3f2e96274d67bf9e7d6ae9982ecf. https://sam.gov/workspace/contract/opp/172b3f2e96274d67bf9e7d6ae9982ecf/view - June 3, 2026: Award notice. Notice 1ea7a756d78547519ef626fe5d0da4e1. https://sam.gov/workspace/contract/opp/1ea7a756d78547519ef626fe5d0da4e1/view - June 3, 2026: Award notice. Notice 4e9dec8418ba461dafe5d90ea5ee1212. https://sam.gov/workspace/contract/opp/4e9dec8418ba461dafe5d90ea5ee1212/view - June 3, 2026: Award notice. Notice 574d3c483ddb4f8588430070fc24c007. https://sam.gov/workspace/contract/opp/574d3c483ddb4f8588430070fc24c007/view - June 3, 2026: Award notice. Notice 5f8a349001494963b0590e4b233f7d5c. https://sam.gov/workspace/contract/opp/5f8a349001494963b0590e4b233f7d5c/view - June 3, 2026: Award notice. Notice a7b4c941fdb94ac1972a423e3ec3adfb. https://sam.gov/workspace/contract/opp/a7b4c941fdb94ac1972a423e3ec3adfb/view ## Points of contact - William Long, William.r.long@nasa.gov - Kylee Salmeron, kylee.m.salmeron@nasa.gov --- Source: SAM.gov Contract Opportunities bulk extract and USAspending.gov award data. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/80jsc026r0008.