Rehabilitate Tuolumne Meadows

The U.S. Department of Interior, National Park Service (NPS) Denver Service Center (DSC) has a requirement to Rehabilitate the Tuolumne Meadows Wastewater Treatment Plant (WWTP) located in Yosemite National Park, CA.

Solicitation Summary

The U.S. Department of Interior, National Park Service (NPS) Denver Service Center (DSC) has a requirement to Rehabilitate the Tuolumne Meadows Wastewater Treatment Plant (WWTP) located in Yosemite National Park, CA.

Solicitation in a Nutshell

Item

Details
Agency Department of Interior, National Park Service (NPS) Denver Service Center (DSC)
Solicitation Number 140P2025R0105
Status Pre-RFP
Solicitation Date 11/2025 (Estimate)
Award Date 02/2026 (Estimate)
Contract Ceiling Value $50,000,000
Competition Type Undetermined
Type of Award Other
Primary Requirement  Other Construction Services
Duration  2190 day(s) base
Contract Type  Firm Fixed Price
No. of Expected Awards N/A
NAICS Code(s):
237110

Water and Sewer Line and Related Structures Construction
Size Standard: $45.0 million annual receipts
Place of Performance:
  • El Portal, California, United States
Opportunity Website: https://sam.gov/opp/185c1e1240c04546b13d90f0c1ad9257/view

Background

N/A

Requirements

Project Scope:

  • This project will replace an extended aeration WWTP and associated infrastructure, that is more than 50 years old. The infrastructure includes two disposal ponds, a force main that connects the WWTP to the disposal ponds, and effluent spray field, and a recreational vehicle dump station. The existing plant will be demolished, one pond will be replaced with an enclosed holding tank, the other pond will be demolished, the force main will be replaced, and a recreational vehicle dump station replaced.
  • The existing treated effluent disposal spray field equipment will be replaced with new lower maintenance spray equipment. The new treatment plant will provide modern primary, secondary, and tertiary treatment components and solids handling capability. The wastewater treatment plant operates from May to October with an average flow of 60,000 gallons per day

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