Project Caldecott Tunnel

Orinda, CA

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,…

Completion:

Service Type:

Project Scope:

2014

Earth Retention

Secant Piles, CIDH, Soldier Piles, Sound Wall, Tiebacks, Soil Nails, Anchored Wire Mesh, Horizontal Drains

CA/DOT Highway 24, Caldecott Tunnel 4th Bore and Building

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.

Owner
California Department of Transportation
General Contactor
Tutor-Saliba Corp
Engineer/Architect
Tillat Satter
DTDS Project Manager
Ian Stait-Gardner

Reader Interactions