Z--MACA-REPLACE AND EXPAND SAND CAVE TRAIL:

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Contract Opportunity

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

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