Project Caldecott Tunnel

This DTDS contract consisted of drilling, setting beams, pouring concrete in wet and dry conditions, installing permanent wood lagging for approximately 2,400 square feet of exposed shoring, 37,490 lineal feet of soil nails with an anchored wire mesh rock slope protection system. Also performed was drilling 85 beams from 15 to 60 feet in length, installed 154 tie-backs in the soldier pile lagged wall and 13,700 Lineal feet of secant pile and tieback shoring at the portals.