Posted on: April 12, 2017

Miner Road Sinkhole – The beginning of the Retaining Walls


The wood forms set on top of the end of box culvert is called a parapet wall. The parapet walls are set up for a concrete pour on Friday May 26th. The retaining walls are designed to stair step down into the creek channel. They vary in height between 5 feet and 22 feet tall. The wood forms are being set on each side of the rebar starting this week and ending next Thursday. The concrete for the retaining walls will be poured next Friday June 2nd. In general, that will be the last major concrete pour for the project. The contractor will likely begin backfilling over the box culvert and behind the retaining walls the weekend of June 3rd. The contractor will be importing structural backfill and delivering it to Miner Road off Camino Pablo. 

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