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B <br /> m z <br /> } 1 0 <br /> A I o 1 <br /> A <br /> s <br /> f <br /> PLAN VIEW <br /> MACHINED j <br /> �-- 20" SEATING j <br /> t SURFACES <br /> 1.>� �1 1/4.. 3/4„ i <br /> / T <br /> i 1/4' -' I 3 1/2" <br /> F--1 3/8" 2., <br /> 1/8"+ <br /> t` <br /> 18 1/4" 8 2 <br /> 22 1/4" i <br /> NOTES: <br /> 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. E <br /> 3. FRAME SHALL WEIGH APPROXI 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. I <br /> 7. COUNTRY OF ORIGIN AND MANUFACTURER SHALL BE CAST INTO FRAME AND GRATE. <br /> ® <br /> 1/4:' X 6" U BOLT CAST INTO GRATE AND FRAME. <br /> REVISION DATE COUNTYWIDE IMPROVEMENT STANDARDS APPROVED aY <br /> COUNTY OF SAN JOAQUINAN 4DR <br /> 18 STORM DRAIN INLET ' EC ORAN AePCO WORKS UNTY DAIE <br /> 1 <br /> FRAME & GRATE IMPROVEMENT CW-M7 ; <br /> STANDARD N0. <br />