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g, at <br />afflim,lgagmil em <br />pp <br />STORM DRAINAGE PROFILE_f UN <br />SCALE: H: 1"=20'V:l"=2' <br />21+00 22+00 <br />STORM DRAINAGE PROFILE (OUT)_ <br />SCALE: H: 1"=20' V:V=2' <br />am <br />NOTE: ALL STEEL PARTS AND SURFACES <br />MUST BE GALVANIZED AND ASPHALT <br />COATED (TREATMENT #1 OR BETTER). <br />COMPLETE CORROSION PROTECTION <br />MUST BE ASSURED. <br />---- <br />®l <br />2-24`0 CPEP INTERCONNECT PIPE <br />BETWEEN DETENTION PIPE SECTIONS <br />2'(TYP) <br />9( <br />DE <br />2`0 AIR VENT <br />12" <br />ADJUST THE FRAME AND GRATE SUCH THAT <br />RESTRICTOR-POLLUTION CONTROL DEVICE IS <br />VISIBLE AT EDGE OF OPENING AND DIRECTLY ROUND SOLID <br />OVER STEPS. LOCKING LID <br />UJ <br />cn <br />cc <br />RE=564X <br />NOTE: ALSO SEE C.O.E. 871 D T 2" 0 AIR VENT <br />PLAN 412A, B & C FOR BETWEEN TANK AND TYPE II <br />ADDITIONAL DETAILS FOR AT EACH CB4 & CB5 <br />THIS CONTROL STRUCTURE, <br />CROWN=562.0 <br />3NO.064' METAL <br />OVERFLOW EL=56050 <br />PIPE SUPPORT <br />ANCHORED TO CB <br />TOP ORIFICE, 6'0 ELBOW <br />WALL <br />EL=56030, I ff' 0 ORIFICE <br />.......... <br />M0 ORIFICE, 6" 0 ELBOW <br />v STEPS <br />EL=55936,0382" 0 ORIFICE <br /><1 LIFT CHAIN <br />LIFT GATE <br />-12[l <br />IE=557.00 36' <br />1211 ZMAX 2'MIN — <br />cm <br />RESTRICTOR PLATE WITH <br />1/2`0 SHARP EDGED, SHOP <br />DRILLED ORIFICE <br />I <1 <br />PROFILE VIEW <br />Sim, ��ll <br />SPECIAL STORM DRAWAGE NOTES <br />THE NORTHERLY MOST OF THE 3 SECTIONS OF 72`0 DETENTION PIPE IS TO BE <br />SET AT THE SAME ELEVATIONS AS THE 2 SECTIONS SITUATED SOUTH IT, SEE <br />PROFILE VIEWS TO THE LEFT. ' 'u <br />PLAM APPRON? <br />C.O.E. STANDARD DRAWING REFERENC <br />'mmc DOR <br />1 FOR'TYPE A' CATCH BASIN, SEE STD DWG 402. A A/ <br />OM-0,1101, <br />2. FORTYPE 2' CATCH BASIN, SEE STD DWG 404, DEPARMF?VT <br />3. FOR HERRING BONE GRATE, SEE STD DWG 406A, WATER <br />A P14-' "Llc ii)RKS PER.M77 Iq <br />4. FOR SOLID LOCKING LID, SEE STD DWG 406B. REQUIRED P'P' "R TO STARnIMS <br />SEWER ANY CONS! xucnof"l am THES <br />5. FOR CB VANED GRATE, SEE STD DWG 406C. PROXCIT. APPq0VAl xOR THO <br />6. FOR CATCH BASIN INSTALLATION NOTES, SEE STD DWG 40 -i I'S C0XD-.---,,�0NAL PER <br />TRAFFIC/ CM-IIEN r �.m M-A�3,DARDS WO <br />7. FOR TYPICAL RESTRICTOR DETAILS, SEE STD DWG 412, <br />cons -Tow= <br />8. FOR TYPICAL UNDERGROUND DETENTION PIPE, SEE STD D SEER MEN WISUEM <br />