Town Of Moraga

Moraga Sinkhole "Winterization" Contingency Plan

Work began this week with the Town’s contractor setting up a water diversion system inside the 96-inch pipe, cutting out pieces of metal pipe that are sticking out, and concrete patching which will continue throughout the rest of the week. All work inside the pipe should be completed by the end of next week (September 2). Soon after, the contractor will begin securing the surface around the hole and place erosion protection measures (such as plastic tarps) and a temporary berm and inlets to capture surface runoff and direct it into the pipe. The contractor and inspector will monitor the hole and pipe throughout winter and check for any changes or movement. The intersection will continue to operate as it does now with stop control and one lane open in each direction.

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