Sol 140P2026R0078 Amd 0002.pdf
Posted: Aug. 26, 2026
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Summary
This **Amendment 0002 to the National Park Service’s Request for Proposals (RFP) 140P2026R0078** updates the Yellowstone Modular Housing construction requirement at Yellowstone National Park, Wyoming, by revising construction drawings, specifications, Section L, and available question-and-answer information.
Issued by the NPS Denver Federal Center Contracting Services Division on August 26, 2026, the amendment addresses permitting requirements from the Wyoming Department of Environmental Quality, particularly wastewater plans and details for the Mammoth and Canyon areas.
For Canyon, sheets C5.05 and C5.06 were revised to increase valve symbol sizes and add pipe material information to pipe callouts; the amendment states that these revisions do not change the design.
For Mammoth, sheet C5.01 and details 4 and 6 on sheet C7.06 were revised to change the grinder pump size and modify the sewer force-main connection to the existing gravity sewer by adding a new manhole and an additional check valve.
Specification Section 33 30 00 was also updated to reflect the pump change.
The amendment replaces the June 18, 2026, “100% Draft Construction Documents—Not for Construction” drawing package, pages 1–94, with “100% Construction Documents” dated August 18, 2026, pages 1–94.
It also replaces the June 2026 “100% Final CD’s” construction specifications, pages 1–568, with an August 2026 version.
Section L, pages 54–66 of the solicitation package, is replaced with an updated Section L.
The amendment includes responses to questions received to date; responses to questions still unanswered as of the posting date will be issued in a subsequent amendment.
All other solicitation terms remain unchanged, and offerors must acknowledge receipt of the amendment before the applicable offer deadline.
Issued by the NPS Denver Federal Center Contracting Services Division on August 26, 2026, the amendment addresses permitting requirements from the Wyoming Department of Environmental Quality, particularly wastewater plans and details for the Mammoth and Canyon areas.
For Canyon, sheets C5.05 and C5.06 were revised to increase valve symbol sizes and add pipe material information to pipe callouts; the amendment states that these revisions do not change the design.
For Mammoth, sheet C5.01 and details 4 and 6 on sheet C7.06 were revised to change the grinder pump size and modify the sewer force-main connection to the existing gravity sewer by adding a new manhole and an additional check valve.
Specification Section 33 30 00 was also updated to reflect the pump change.
The amendment replaces the June 18, 2026, “100% Draft Construction Documents—Not for Construction” drawing package, pages 1–94, with “100% Construction Documents” dated August 18, 2026, pages 1–94.
It also replaces the June 2026 “100% Final CD’s” construction specifications, pages 1–568, with an August 2026 version.
Section L, pages 54–66 of the solicitation package, is replaced with an updated Section L.
The amendment includes responses to questions received to date; responses to questions still unanswered as of the posting date will be issued in a subsequent amendment.
All other solicitation terms remain unchanged, and offerors must acknowledge receipt of the amendment before the applicable offer deadline.
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