ASMTI Precinct C Bulk
Earthworks and Tunnel

Project overview

Bulk earthworks for the Precinct C Eastern Urban Operations Live Fire facility (work package WP10009), bringing the site to subgrade level, plus a subterranean training tunnel and a stormwater diversion channel. The tunnel was built from large precast units placed by a 130 t crane to an RPEQ-certified design and methodology.

Completed ahead of the date for practical completion, with no liquidated damages applied.

imported embankment fill

100,000 t

building pads

30

precast tunnel units

56

ground surface treatment

43,000 m²

Scope of works

• Geotechnical investigation of uncontrolled fill under an RPEQ subconsultant
• Stormwater diversion channel over 500 m long with 2,200 m³ of rock protection
• 30,000 m³ of bulk cut to fill and 100,000 t of imported Class A2 embankment fill
• 30 building pads and 4 road boxes to +0/-25 mm tolerance
• Subterranean tunnel of 56 precast units including 19 RCBC units and multiple chambers
• Two sediment basins, topsoil and hydromulch with temporary irrigation