This is a construction solicitation for culvert improvements at Little Pend Oreille National Wildlife Refuge in Washington. The Invitation for Bid, plans, physical data, and construction contract administration documents are posted as attachments. Additional attachments include Q&A responses and bid opening/tabulation summaries.

Update 10/20/2026: Bid Opening Summary posted to attachments. Update 10/19/2026: QandA_10-14-2026.pdf posted to attachments. Update 10/13/2026: QandA_10-13-2026.pdf posted to attachments. Solicitation... Update 10/20/2026: Bid Opening Summary posted to attachments. Update 10/19/2026: QandA_10-14-2026.pdf posted to attachments. Update 10/13/2026: QandA_10-13-2026.pdf posted to attachments. Solicitation for contruction project, WA FWS LPO MULTI(1) Little Pend Oreille NWR Culvert Improvements The Invitation for Bid (IFB), Plans, Physical Data, and the Construction Contract Administration Document per FAR 36.101-4 are posted under attachments.

Update 10/19/2026: QandA_10-14-2026.pdf posted to attachments. Update 10/13/2026: QandA_10-13-2026.pdf posted to attachments. Solicitation for contruction project, WA FWS LPO MULTI(1) Little Pend Orei... Update 10/19/2026: QandA_10-14-2026.pdf posted to attachments. Update 10/13/2026: QandA_10-13-2026.pdf posted to attachments. Solicitation for contruction project, WA FWS LPO MULTI(1) Little Pend Oreille NWR Culvert Improvements The Invitation for Bid (IFB), Plans, Physical Data, and the Construction Contract Administration Document per FAR 36.101-4 are posted under attachments.

Update 10/13/2026: QandA_10-13-2026.pdf posted to attachments. Solicitation for contruction project, WA FWS LPO MULTI(1) Little Pend Oreille NWR Culvert Improvements The Invitation for Bid (IFB), Plan... Update 10/13/2026: QandA_10-13-2026.pdf posted to attachments. Solicitation for contruction project, WA FWS LPO MULTI(1) Little Pend Oreille NWR Culvert Improvements The Invitation for Bid (IFB), Plans, Physical Data, and the Construction Contract Administration Document per FAR 36.101-4 are posted under attachments.

Solicitation for contruction project, WA FWS LPO MULTI(1) Little Pend Oreille NWR Culvert Improvements The Invitation for Bid (IFB), Plans, Physical Data, and the Construction Contract Administration ... Solicitation for contruction project, WA FWS LPO MULTI(1) Little Pend Oreille NWR Culvert Improvements The Invitation for Bid (IFB), Plans, Physical Data, and the Construction Contract Administration Document per FAR 36.101-4 are posted under attachments.

This project involves replacing six Aquatic Organism Passage culverts within the Little Pend Oreille National Wildlife Refuge. The work location is approximately 75 miles north of Spokane, Washington, spanning 0.23 miles. The estimated price range for the project is between $2,000,000 and $5,000,000. The tentative solicitation is scheduled for Spring/Summer 2026, with fixed completion dates for different schedules in Fall 2027 and Fall 2028. The contract will be a Firm-Fixed-Price, Sealed Bid.