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I <br /> . d C <br /> o 4 <br /> 0 <br /> O <br /> j <br /> O i <br /> I <br /> d d <br /> 4 ' <br /> d d a <br /> V <br /> 4 d d <br /> O <br /> • d a . <br /> 0 4. <br /> d d <br /> a <br /> v i <br /> ad <br /> a • <br /> .. da <br /> ,4 <br /> a '4 <br /> d <br /> v <br /> i <br /> NOTES 12" MINIMUM <br /> 1. GRATE AND FRAME SHALL CONFORM TO IMPROVEMENT STANDARD NO. CW—M7. <br /> 2. 18" PIPE BARREL SHALL BE CLASS III R.C.P., OR CLASS 2 NON—REINFORCED <br /> CONCRETE PIPE AS A MINIMUM. <br /> 3. 18"+ DRAINAGE INLET ON PIPES UP TO 24" DIAMETER. <br /> 4. 24"+ DRAINAGE INLET ON PIPES GREATER THAN 24" DIAMETER. j <br /> 5. CATCH BASIN MAY BE USED WHERE APPROVED BY THE AGENCY. <br /> 6. CATCH BASIN ASSY TO BE SET 1 " BELOW FLOWLINE OF SURROUNDING SOIL. <br /> j <br />