Bid guide
How to bid on plumbing, heating, and AC work for the National Park Service
What the agency is buying and why it matters
The National Park Service needs one small business to perform plumbing, heating, and air-conditioning work at Independence National Historical Park in Philadelphia, PA. This will be a firm-fixed-price contract.
This opportunity is a 100% small-business set-aside, meaning only small businesses can bid. The agency will award a single contract based on the lowest price that is technically acceptable. This approach can be favorable for businesses that can offer competitive pricing while meeting all technical requirements.
Key dates and what happens at the deadline
This solicitation was published on September 03, 2026. The deadline for submitting your offer is September 21, 2026, at 12:00 PM ET. All proposals must be received by this time.
The contract performance period is expected to be 90 calendar days from the notice to proceed. The exact period of performance is negotiable.
Who this opportunity suits
This opportunity is specifically for small businesses in the plumbing, heating, and air-conditioning contracting sector. The relevant NAICS code is 238220, and the small business size standard is $19 million. Your firm must meet this size standard to be considered.
Firms with experience in commercial or institutional HVAC and plumbing services, especially those familiar with historical properties or government facilities, may find this a good fit.
How to respond to this solicitation
To access the full solicitation documents, you will need to go to the original source portal. Click the “View original source” link. If the first click takes you to the portal’s homepage, click the link again to go directly to the bid.
You may need to create a free account on the portal to view all the documents. Some bids allow document viewing without an account, but it is good practice to be prepared to register.
Practical tips for a competitive response
Since this is a Lowest Price Technically Acceptable (LPTA) procurement, ensure your proposal clearly demonstrates that you meet all technical requirements. Any deviation from the required technical specifications could lead to your offer being deemed non-responsive.
After confirming technical acceptability, focus on providing the most competitive price. Review all aspects of your proposed work to identify areas where you can offer cost efficiencies without compromising quality or compliance. Pay close attention to the Davis Bacon General Service Contract Act wage rates (2015-4233 Rev. 38) to accurately calculate labor costs.
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 National Park Service; the original posting controls.