Replace and Expand Sand Cave Trail

EO-14398, MACA-REPLACE AND EXPAND SAND CAVE TRAIL:PRE-SOLICITATION NOTICENational Park Service (NPS) Southeast Region ¿ North MABO Solicitation No.: 140P5326R0012TITLE:Reconstruct the Sand Cave Boardwalk and Associated Pedestrian Facilities ¿ Mammoth Cave National Park, Kentucky1. PURPOSE OF NOTICEThis 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 DESCRIPTIONThe 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-Aside4.

PLACE OF PERFORMANCESand Cave Trailhead and the Mammoth Cave National Park entrance sign on Old Mammoth Cave Road.5.

PERIOD OF PERFORMANCEThe anticipated performance period is: 180 calendar days from Notice to Proceed (NTP).6. TENTATIVE DATESThe 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 optional7. NAICS CODEThe 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 references9. WHERE TO ACCESS THE SOLICITATIONThe full solicitation package, including drawings and specifications, will be posted exclusively on: SAM.gov (https://sam.gov)No paper copies will be issued.11.