20161183 Ver 1_CULVERT PHASING_20161129

SF-670018 17BP.7.R.93
ORANGE COUNTY
2@8'X8'
STA. 13+49.5 -L-
EAST BACK CREEK TRIBUTARY
CULVERT PHASING
NOTE: USE SANDBAGS FOR ALL IMPERVIOUS DYKES.
l.) INSTALL ALL SEDIMENT CONTROL DEVICES NECESSARY FOR CULVERT
CONSTRUCTION.
PHASE 1
2.) REMOVE EXISTING BRIDGE. INSTALL TEMPORARY 36" CSP WITH
TEMPORARY HEADWALLS AND IMPERVIOUS DIKES. PUMP ALL EFFLUENT
INTO DIRT BAG.
PHASE 2
3.) CONSTRUCT 2@8' X 8' RCBC PER PLANS AND SPECIFICATIONS.
4.) CONSTRUCT NEW ROADWAY. REMOVE IMPERVIOUS DIKES AND
TEMPORARY 36" CSP.
5.) UPON STABILIZATION OF ALL DISTURBED AREAS, REMOVE ALL
TEMPORARY SEDIMENT CONTROL DEVICES.

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