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  4. ›GAOA Blanchard Springs Caverns Tunnel Rehabilitation in…

U.S. Department Of Agriculture·Arkansas

GAOA Blanchard Springs Caverns Tunnel Rehabilitation in Ozark-St. Francis NF

Closes 10/29/2026$5M – $15MRequest for Proposal
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Description

This solicitation calls for a qualified contractor to perform extensive rehabilitation and safety upgrades to the tunnel system at Blanchard Springs Caverns, located within the Ozark‑St. Francis National Forest in Arkansas. Work includes structural stabilization, rock‑bolt and mesh installation, masonry repairs, replacement of air‑lock and security doors, removal and replacement of the suspended ceiling system and ductwork, new lighting and distribution, handrail replacement, and full upgrade of the mine phone system. The project also requires strict environmental protection measures, compliance with White‑nose Syndrome de‑contamination protocols, noise‑mitigation, and the preparation of comprehensive submittals, schedules, and warranties.

Attached files

Contact

James Edington(Primary Contact)

[email protected]

Key dates

Opened
9/30/2026
Questions due
9/16/2026
Closes
10/29/2026
Duration
12 months

Last updated

Details

Type
Request for Proposal
Industry
Construction
NAICS
238990
Solicitation №
1240BH26R0013

Budget estimate

$5,000,000 – $15,000,000

The scope involves extensive underground work (rock‑bolting, shotcrete, door and lighting replacement, handrail installation, environmental mitigation, and extensive submittal and warranty requirements). Similar tunnel‑rehabilitation projects in national forests typically range from a few million dollars to well over ten million dollars, depending on site conditions and material choices. A reasonable estimate for this contract is therefore between $5 million and $15 million.

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