Bid guide
How to bid on Backflow Replacement (3) at Gateway Arch Natl Park for the Dept of Interior
What the agency is buying
The National Park Service, part of the Department of the Interior, is seeking a contractor to replace three backflow devices at Gateway Arch National Park in Saint Louis, MO. This is an opportunity for businesses specializing in equipment installation or plumbing services to work with a federal agency.
The complete solicitation package includes a Scope of Work, Appendix A, DOL Wage Determinations, a Technical Questionnaire, and Standard Form 18. These documents provide all the necessary details for understanding the project requirements.
Key dates and deadlines
The solicitation was published on August 07, 2026. A site visit is scheduled for August 12, 2026, at 9:00 AM CT. All questions regarding the solicitation must be submitted via email by August 13, 2026.
Quotes are due by 5:00 PM CDT on August 19, 2026. It is important to monitor the solicitation posting for any amendments, as all amendments must be acknowledged by the due date and time for quotes.
Who this opportunity suits
This opportunity is suitable for businesses with expertise in plumbing, water system maintenance, or equipment replacement, particularly those familiar with backflow prevention devices. Firms with experience in federal contracting or working in national park settings may find this advantageous.
The project falls under the equipment category, indicating a need for contractors capable of supplying and installing specific types of equipment.
How to respond
To access the solicitation, click “View original source” on the portal. If the first click leads to the portal's homepage, click it again to go directly to the bid. You may need a free account to view all documents, though this is not always required.
Refer to the addendum to 52.212-1 Instructions to Offerors Commercial Products and Commercial Services (Oct 2025) Addendum for specific instructions on submitting your quote. All questions must be sent via email to [email protected].
Tips for a competitive response
Carefully review the Scope of Work and its Appendix A to fully understand the project's technical requirements. Ensure your quote addresses all specifications and includes any required documentation, such as the Technical Questionnaire.
Attend the scheduled site visit if possible, as this can provide valuable insights into the project environment. Submit any questions you have by the deadline to ensure you receive official clarifications. Always acknowledge all amendments to the solicitation before the closing date.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from Interior, Department of the; the original posting controls.