Santa Monica Low Flow Diversion Upgrades Package 3

Santa Monica Low Flow Diversion Upgrades Package 3

A very challenging job located in high risk and highly visible location. Located on the scenic Pacific Coast Highway at Will Rogers beach park, this project was one of the final stages of the City of Los Angeles’ program to eliminate the discharge of polluted storm drain runoff into the Santa Monica Bay. The work included the installation of 42″ Hobas pipe in PCH, mircotunneling underneath an existing flood control channel, siphon, deep shafts, sheet piling, secant piles, beam and plate shoring and extensive dewatering for the installation of pipe and structures well below the ground water level. Significant safety risks included the high traffic on PCH and the constant and heavy pedestrian traffic in close proximity to deep and dangerous excavations. Our safety efforts on this project resulted in CAL-OSHA awarding Blois a “Golden Gate” award.

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