Construction: Tunneling/Earthwork
Closed Pre-Solicitation Posted
- Solicitation number
- HDTRA2-20-S-0003
- Agency
- Defense Threat Reduction Agency Department of Defense
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- Place of performance
- White Sands Missile Range Nm Usa
Notice details come from SAM.gov. Updated .
Notice text
Description of type of work – Tunneling/Earthwork: Drill and blast tunnels with diameters ranging from 5ft. to 30ft and lengths ranging from 50ft. – 800ft; may be D shape or circular profile; may include vent shafts; may require shotcrete and rock bolt portal; may require shotcrete tunnel liner with welded wire fabric and rock bolts; may include installation of steel sets; may require excavation of overburden to specified elevation (overburden may be relatively thin, down to 15 ft.); be required to provide tunnel rescue teams per OSHA and adequate ventilation; may be required to bore holes from tunnel to the surface; may require drilling of instrumentation holes in the tunnel liner; may be required to perform LIDAR surveys of both the tunnel and the surface excavation; excavation may be required to be within 6” of theoretical profile.
Attachments
| File | Type | Posted |
|---|---|---|
| Sources Sought r1.2 Amendment 1.pdf | ||
| Sources Sought r1.2.pdf |
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