MACA-REPLACE AND EXPAND SAND CAVE TRAIL:

EO-14398, MACA-REPLACE AND EXPAND SAND CAVE TRAIL:PRE-SOLICITATION NOTICE
National Park Service (NPS) Southeast Region North MABO Solicitation No.: 140P5326R0012
TITLE:
Reconstruct the Sand Cave Boardwalk and Associated Pedestrian Facilities Mammoth Cave National Park, Kentucky
1. PURPOSE OF NOTICE
This is a Pre-Solicitation Notice only. No proposals or pricing are being requested at this time.
The National Park Service (NPS), Southeast Region, intends to issue a Request for Proposal (RFP) for construction services to reconstruct pedestrian facilities at Mammoth Cave National Park.
2. PROJECT DESCRIPTION
The Government intends to issue a solicitation for the reconstruction of the Sand Cave Boardwalk and associated pedestrian infrastructure at Mammoth Cave National Park, Kentucky. Work includes, but is not limited to:
Demolition of existing site features
Installation of new at-grade concrete trail
Construction of boardwalks and overlooks
Associated site work as shown in project drawings and specifications

All work shall comply with Attachment 1 NPS MACA Project Specifications (dated 1/21/2026) and Attachment 2 Project Drawings, to be issued with the formal solicitation.
3. PROCUREMENT METHOD
Solicitation Type: Request for Proposal (RFP)
Acquisition Method: Lowest Price Technically Acceptable (LPTA)
Contract Type: Firm-Fixed-Price (FFP)
Set-Aside: 100% Total Small Business Set-Aside
4. PLACE OF PERFORMANCE
Sand Cave Trailhead and the Mammoth Cave National Park entrance sign on Old Mammoth Cave Road.
5. PERIOD OF PERFORMANCE
The anticipated performance period is: 180 calendar days from Notice to Proceed (NTP).
6. TENTATIVE DATES
The following dates are subject to change and will be finalized in the formal RFP:
Anticipated Solicitation Release: On or about 07/13/2026
Estimated Proposal Due Date: 30 days after solicitation issuance
Sie Visit: Will be identified in Section L of the solicitation (mandatory or optional
7. NAICS CODE
The anticipated NAICS code will be 237310Highway, Street, and Bridge Construction $45 and PSC Z2LB REPAIR OR ALTERATION OF HIGHWAYS/ROADS/STREETS/BRI.
8. ADDITIONAL REQUIREMENTS (To Appear in RFP)
The forthcoming solicitation will require:
Completed SF-1442
Firm-Fixed-Price proposal for all CLINs
Construction schedule demonstrating ability to complete within 180 days
Attachment 5 LPTA Technical Acceptability Submission (PASS/FAIL)
Past performance references
9. WHERE TO ACCESS THE SOLICITATION
The full solicitation package, including drawings and specifications, will be posted exclusively on: SAM.gov (https://sam.gov)
No paper copies will be issued.
11. POINT OF CONTACT
Contract Specialist: Cuetara-Higa, Arcoiris Email: arcoiris_cuetara-higa@ios.doi.gov