Synopsis PreSolitNotice RELEASED 1

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)

EFMO 224159/318539

Solicitation No. 140PP027R0001

Date:

October 5, 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) 140PP027R0001

Reference: EFMO 224159/318539 – Rehabilitate Visitor Center & Parking Lot

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 Effigy Mounds National Monument in, Iowa.
This PSN is not a formal Solicitation in itself, but rather a Synopsis of forthcoming RFP 140PP027R0001. Specific instructions on submitting your proposal will be contained in the solicitation documents to be issued on or after 10/20/2026.
General Project Description and Scope:
This project is located at Effigy Mounds National Monument, Iowa. Rehabilitate Visitor Center & Parking Lot. Work to be performed under this construction services project requirement includes rehabilitation of Effigy Mounds National Monument visitor center, foundation improvements, remodeling of the basement and main floor; and redesign and repaving of the visitor parking lot and maintenance area. 1.

Specific activities for the visitor center include:
Selective demolition, hazardous materials removal, a new HVAC system and electrical system, domestic water, fire alarm, and fire suppression improvements, new windows and doors, interior and exterior building finishes, new roofing, addition of new insulation at foundation, exterior walls, and attic, structural changes (relocation of columns, structural improvements for code, new beams), moving/modifying interior partitions, relocation of restrooms (new fixtures – plumbing and electrical – new toilet partitions, wall paneling, epoxy floor, toilet accessories, etc.) an elevator tune up, new drainage systems, and construction of a new building approach and visitor plaza.

2. Specific activities for the for the visitor parking lot and maintenance area include: Vehicle and pedestrian circulation improvements, parking lot drainage improvements, parking lot drainage improvements, and a new parking lot layout with curb, gutters, sidewalks, and asphalt. The parking lot island