Department of the InteriorIssuing agency·Saint Louis, MO·via the SAM.gov Get Opportunities APIWe post new plumbing opportunities in Missouri as agencies publish them. Get them in one email — free, and unsubscribe whenever.
Backflow replacement (3) at Gateway Arch National Park
Request for Quotes. Offerors are to refer to the complete solicitation package for full terms and conditions. The complete solicitation package includes the posting on www. sam.gov, this document, all attachments, and any amendments which may be posted during the solicitation.
Attachments included:
The addendum to 52.212-1 Instructions to Offerors Commercial Products and Commercial Services (Oct 2025) Addendum contains instructions for submitting quotes.
A site visit is scheduled for August 12, 2026, at 9:00 AM CT. See 52.237-1.
Submit all questions only via email to james_bissaillon@ios.doi.gov by August 13, 2026, to ensure enough time to provided answers.
Quotes are due by 5:00 PM CDT on August 19, 2026, unless changed by solicitation amendment.
Remember to monitor the solicitation posting for any amendments posted until the solicitation closes. All amendments must be acknowledged by the due date and time for quotes.
The work consists of repairing or replacing two 6-inch backflows and one 4-inch backflow at Gateway Arch National Park. The contractor must ensure backflows are properly mounted and installed with appropriate bracing, and after installation inspect backflows to ensure they are operating properly and provide passing backflow inspection documentation. Confined space entry is required. No digging should be required. The period of performance is 15 calendar days inclusive of 5 weather days. Work shall generally be performed during normal business hours of 6:30 a.m. to 3 p.m., Monday through Friday.
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