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B <br /> // d s \\ m J <br /> m z <br /> o <br /> O w <br /> A i I AOf <br /> Li v <br /> 1 L <br /> jpw / =T <br /> B <br /> PLAN VIEW <br /> MACHINED <br /> 20" SEATING <br /> SURFACES <br /> 1 1/4" 0;0 3 1/2" <br /> -� �--1 3/8" 24 5/8.. <br /> 1/8' f 8 2„ <br /> 18 1/4" <br /> 22 114!' <br /> NOTES: SECTION A-A <br /> 1. FRAME & GRATE SHALL BE MANUFACTURED OF CAST IRON CONFORMING <br /> TO ASTM A-48-30. <br /> 2. FRAME AND GRATE SHALL BE HS20-44 RATED. <br /> 3. FRAME SHALL WEIGH APPROX: 65 LBS. <br /> 4. GRATE SHALL WEIGH APPROX. 78 LBS. <br /> ,5. GRATE SHALL BE CHAINED TO FRAME WITH 18" OF 1/4" HEAT-TREATED CHAIN <br /> 6. MAY BE USED IN RIGHT OF WAY WHERE APPROVED BY GOVERNING AGENCY. <br /> 7. COUNTRY OF ORIGIN AND MANUFACTURER SHALL BE CAST INTO FRAME AND GRATE. <br /> ® 1/4" X 6" U BOLT CAST INTO GRATE AND FRAME. <br /> REVISION DATE COUNTYWIDE IMPROVEMENT STANDARDS APPROVED BY <br /> COUNTY OF SAN JOAQUIN <br /> AN JOA I COUNTY DATE <br /> 18" STORM DRAIN INLET DIRECTOR F LUC WORKS <br /> FRAME & GRATE IMPROVEMENT CW-M7 <br /> STANDARD NO. <br />