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PERIMETER STONE <br />EXCAVATION WALL (CAN <br />BE SLOPED OR VERTICAL) <br />12" (300 m <br />NOTES: <br />STORMTECH SC -740 CHAMBER SYSTEMS CROSS SECTION <br />ADS GEOSYNTHETICS 601T NON -WOVEN GEOTEXTILE ALL <br />AROUND CLEAN, CRUSHED, ANGULAR STONE IN A & B LAYERS <br />:-740 <br />)CAP <br />4" SINGLE WALL CORRUGATED <br />PERFORATED, HDPE PIPE WITH SOCK <br />NOTE 1: THE EFFECTIVE DISCHARGE <br />ELEVATION FOR THE GALLERY IS 939.20' OR <br />THE ELEVATION OF THE ORIFICE IN MH -04. PER <br />HYDROCAD, THIS IS THE EFFECTIVE OUTLET <br />ELEVATION, EXCLUDING EXFILTRATION. <br />SUBGRADE SOILS <br />NOT TO SCALE <br />O <br />TOP OF FILL: 944.0 MIN., 950.0 MAX. <br />PAVEMENT LAYER (DESIGNED <br />BY SITE DESIGN ENGINEER) <br />'TO BOTTOM OF FLEXIBLE PAVEMENT. FOR UNFAVED , " ` 4 8' <br />INSTALLATIONS WHERE RUTTING FROM VEHICLES MAY OCCUR 942, 5 181, <br />INCREASE COVER TO 24 (600 mm). ice; (2.4 m) <br />(450 mm) MIN* MAX <br />'a ` 6" (150 mm) MIN <br />n� t <br />942.00 <br />30" PEAK <br />\ ® (760 mm) 941.23 <br />6' �--- 51" (1295 mm) <br />(150 mm) MIN <br />939.50 <br />939.00 <br />L DEPTH OF STONE TO BE DETERMINED <br />BY SITE DESIGN ENGINEER 6" (150 mm) MIN <br />1L i 1- 938.00 <br />12" (300 mm) TYP <br />6" UNDERDRAIN FOR ROCK <br />MATERIAL DESCRIPTIONS: <br />A. FOUNDATION STONE - CLEAN, CRUSHED, ANGULAR STONE. <br />B. EMBEDMENT STONE - CLEAN CRUSHED ANGULAR STONE. <br />C. INITIAL FILL - GRANULAR WELL -GRADED SOIL/AGGREGATE MIXTURES, <br /><35% FINES OR PROCESSES AGGREGATE. MOST PAVEMENT SUBBASE <br />MATERIALS CAN BE USED IN LIEU OF THIS LAYER. <br />MATERIAL SPECIFICATION: <br />D. FINAL FILL - 6' TOPSOIL, WITH 3% TO 10% ORGANICS. <br />E. SAND FILTER LAYER - CLEAN SAND, FILL ONE FOOT BELOW <br />FOUNDATION OF STONE. MNDOT CLASS 3 DRAINABLE BASE <br />AGGREGATE. ROLL TO ACHIEVE FLAT SURFACE FOR GEOTEXTILE. <br />0 <br />0 <br />z <br />02 <br />Ow <br />C7 } <br />w� <br />w <br />0ll� <br />Z <br />DQ <br />r <br />J <br />wz <br />0 D w <br />I � U <br />U) <br />J_ <br />Q <br />w <br />w <br />0 <br />It <br />0 <br />W <br />w <br />a <br />O <br />a <br />n <br />Q <br />O <br />U m <br />Q <br />0 <br />z <br />02 <br />Ow <br />C7 } <br />w� <br />w <br />0ll� <br />Z <br />DQ <br />r <br />J <br />wz <br />0 D w <br />I � U <br />U) <br />J_ <br />Q <br />w <br />w <br />0 <br />It <br />0 <br />