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M E � 0 R A N D U M <br /> T0: Kirk Brooks <br /> FROMt Jane Zimmerman <br /> DATEt March 12, 1993 <br /> BUBJECTs Plan Review, Bceiriq Steam Plant <br /> The following items must still be addressed: <br /> sheet C220 <br /> The cil/stop valve associated with the tankeL' transfer area <br /> should be located on the outlet from the containment <br /> structure, not the downstream catch basin. <br /> The section of portland cement concrete that has been added <br /> between the containment pad and the fuel. couplinq on the <br /> side af the dike should be wider than shown, at least 10-15� <br /> wide, wit.h the fuel couplinq centrally located. This area <br /> should also be graded like a shallow channel, to convey any <br /> spilled fuel to the containment structure. <br /> Unless the manual valve on the outlet pipe from the dike <br /> area is replaced with an oil/stop valve located in the inlet <br /> structure, a document detailingroval�Pindicating the normal <br /> valve must be submitted for app <br /> poaition of the valve, the frequency of stormwater ralearse <br /> from the diking area, etc. <br /> The details of the discharge area must be redrawn on this <br /> toethe riptraplarea,texistingiswalep andtedgeiofhwaterPoint <br /> The discharge pipe from the oil/water separator should be <br /> chanqed to a material that requires less cover, such as <br /> ductile iron, to allow the discharge location to be as close <br /> to the road as possible. The existinq swale sfiould not be <br /> crossed. <br />