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B <br /> m J <br /> mz <br /> 1 I z <br /> i I o � <br /> A A 'v Q <br /> 1\ // L -i N <br /> ' �--- -T <br /> B <br /> PLAN VIEW <br /> MACHINED <br /> 20" SEATING <br /> 1/4!' � �3/4,' <br /> SURFACES <br /> Ell <br /> i � <br /> 1 1/4" 3 1/2" <br /> 1/8„ If1 3/8" 24 <br /> �l 8 2" <br /> 18 1/4" <br /> 22 1/4" <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 APPROXI 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 Do <br /> 18" STORM DRAIN INLET AN JOAPF <br /> COUNTY DATE <br /> DIRECTORPUBUC WORKS <br /> FRAME & GRATE IMPROVEMENT CW-M7 <br /> STANDARD N0. <br />