Synopsis PreSolitNotice 2

United States Department of the Interior

NATIONAL PARK SERVICE

DENVER SERVICE CENTER

CONTRACTING SERVICES

1 DENVER FEDERAL CENTER, BUILDING 50

P.O. BOX 25287

DENVER, COLORADO 80225-0287

File Code: B01
Synopsis Pre-Solicitation Notice

D5217 (DSC-CS)

GRCA 318719

Solicitation No. 140P2027R0005
Date:

October 22, 2026

To:

General Public via SAM.gov

From:

National Park Service (NPS), Denver Service Center (DSC), Contracting Services (CS) Division

Subject:

Pre-Solicitation Notice (PSN) – Request for Proposal (RFP) 140P2027R0005

Reference: GRCA 318719, North Rim & Roaring Springs Rehabilitation Program This pre-solicitation announcement is to advise the Industry that NPS DSC intends on issuing an RFP Solicitation for the Construction Services described below, in support of the above referenced project requirement at Grand Canyon National Park, Arizona.
This PSN is not a formal Solicitation in itself, but rather a Synopsis of forthcoming RFP 140P2027R0005. Specific instructions on submitting your proposal will be contained in the solicitation documents to be issued on or after 11/05/2026.
General Project Description and Scope:
This project is located at Grand Canyon National Park, Arizona. Project Scope: The purpose of this project is to provide Grand Canyon National Park with reliable water, wastewater and power systems to serve the North Rim and related inner canyon locations. Water System Improvements:
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Rehabilitation to the Roaring Springs Pumphouse (RSPH) to supply raw water from the Roaring Springs source
Raw and finished water pipelines between the North Rim water storage tanks (Tank Farm) and Roaring Springs Pumphouse for improved reliability and reduced repairs North Rim Water Treatment Plant (NR WTP) at the Tank Farm site to meet water quality regulatory requirements
Treated water supply to current inner canyon potable service locations via back feed from the NR WTP
Rehabilitation of raw water pipeline between Roaring Springs Cave and the RSPH

Wastewater System Improvements:
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Replacement of the sewer collection system

Power System Improvements:
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Additional diesel fuel storage at Power Distribution Center (PDC) to receive full deliveries and provide for longer outages
Addition of fourth standby generator at the PDC.
Replacement of transformers which have exceeded life cycle at the PDC and throughout North Rim campus
Replacement of junction boxes and shunt reactors in poor condition throughout North Rim campus