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SCALE IN FEET <br />N <br />0 20' 40' 80' <br />WE LLLLLLLLL <br />D -B3C <br />' -GERT <br />321 , <br />B -27 / <br />,r <br />TCH <br />-- N 117,200 <br />LO <br />0 <br />WA Y <br />Rol <br />LLLL% <br />= - -__- y 133 <br />- <br />OLD STATE H IGH D <br />i <br />A <br />i <br />10.0' <br />FROIANNAWMA <br />DITCH <br />D -B33 <br />i <br />DEWA TERING <br />PIPE _ <br />AL DEWATERING i <br />PUMP _ <br />I <br />5940 <br />� 940 BOU <br />- I <br />/ �- .. L• ' <br />MOUNTAIN / <br />go <br />/ FIRE M IN CANAL � 7 <br />/ DEER TRAIL <br />DITCH 5930 0 <br />I <br />2.0' <br />1 <br />L\ <br />2.0 <br />3HAV EMBANKMENT SPILLWAY DETAIL <br />POND B <br />FULL FLOW LEVEL <br />_T <br />1.7' FREEBOARD <br />0.3' FLOW DEPTH <br />_J_ <br />1.5' FREEBOARD <br />0.5' FLOW DEPTH <br />10.0' <br />EMEGENCY SPILLWAY DETAIL <br />POND B <br />WIDTH <br />i <br />POND B <br />PLAN VIEW <br />FULL F L EVEL <br />SACLE 1" = 40' <br />DEPTH 1 <br />5980 <br />5970 <br />5960 <br />5950 <br />5940 <br />5930 <br />5956 <br />5954 <br />5952 <br />5950 <br />5948 <br />5946 <br />5944 <br />5942 <br />5940 <br />5938 <br />nrrrr IATAMVn VT cncn <br />EMBANKMENT <br />UUT JLU <br />3.OH:1.OV <br />BOTTOM EL. 5942 <br />SECTION A - A' <br />SEDIMENT POND B <br />HORIZONAL SCALE 1" = 20' <br />VERTICAL SCALE 1" = 20' <br />EMERGENCY SPILLWAY 10' TOP OF EMBANKMENT EL. 5954 <br />INLET EL. 5952 MIN. <br />FULL WATER EL. 5952 <br />FULL WATER LEVEL S <br />♦ <br />♦ <br />♦ <br />1 ♦ <br />♦ <br />1 ♦ <br />FULL SEDIMENT EL. 5944 2 ♦♦ <br />3 <br />ANTI -SEEP COLLAR <br />LT <br />♦ <br />6" VALVED DEWATERING PIPE <br />INLET EL. 5944 <br />SECTION B - B' <br />SEDIMENT POND B <br />HORIZONAL SCALE 1" = 10' <br />VERTICAL SCALE 1" = 4' <br />5980 <br />5970 <br />5960 <br />5950 <br />5940 <br />5930 <br />5956 <br />5954 <br />5952 <br />5950 <br />5948 <br />5946 <br />5944 <br />5942 <br />5940 <br />5938 <br />1.5 <br />0.3' FREEBOARD <br />FLOW DEPTH <br />DITCH DETAILS <br />DRAINAGE AREA B <br />SEE MAP Nos. 21 -1 AND 21 -2 FOR LOCATIONS <br />MINIMUM DITCH <br />DEPTH REQUIREMENTS <br />DRAINAGE AREA B <br />DITCH <br />No. <br />DITCH <br />DEPTH <br />FLOW <br />DEPTH <br />D -Bi <br />0.8 <br />0.5 <br />D -132 <br />DELETED <br />C -133 <br />D -B3 <br />0.5 <br />0.2 <br />D -134 <br />0.6 <br />0.3 <br />D -135 <br />0.8 <br />0.5 <br />D -136 <br />0.9 <br />0.6 <br />D -B7 <br />0.6 <br />0.3 <br />D -138 <br />0.7 <br />0.4 <br />D -139 <br />0.4 <br />0.1 <br />D -B10 <br />0.7 <br />0.4 <br />D -1311 <br />0.8 <br />0.5 <br />D -1312 <br />0.8 <br />0.5 <br />D -1313 <br />0.4 <br />0.1 <br />D -1314 <br />0.5 <br />0.2 <br />D -1315 <br />1.0 <br />0.7 <br />D -B16 <br />1.0 <br />0.7 <br />D -1317 <br />0.7 <br />0.4 <br />D -B18 <br />1.1 <br />0.8 <br />D -1319 <br />0.6 <br />0.3 <br />D -B20 <br />0.7 <br />0.4 <br />D -1321 <br />1.2 <br />0.9 <br />D -1322 <br />0.6 <br />0.3 <br />D -1323 <br />1.1 <br />0.8 <br />D -1324 <br />0.6 <br />0.3 <br />D -1325 <br />0.5 <br />0.2 <br />D -1326 <br />1.0 <br />0.7 <br />D -1327 <br />0.7 <br />0.4 <br />D -B28 <br />1.5 <br />1.2 <br />D -1329 <br />1.5 <br />1.2 <br />D -1330 <br />0.7 <br />0.4 <br />D -B31 <br />DELETED <br />D -1332 <br />0.6 <br />0.3 <br />D -1333 <br />1.2 <br />0.9 <br />D -B34 <br />1.5 <br />1.2 <br />D -1335 <br />0.4 <br />0.1 <br />D -1336 <br />0.5 <br />0.2 <br />D -1337 <br />0.5 <br />0.2 <br />MINIMUM CULVERT SIZE <br />DRAINAGE AREA B <br />CULVERT <br />MINIMUM <br />No. <br />DIA. <br />C -Bl <br />12 <br />C -B2 <br />18 <br />C -133 <br />18 <br />C -134 <br />18 <br />C -135 <br />DELETED <br />C -136 <br />12 <br />C -137 <br />12 <br />C -138 <br />18 <br />C -139 <br />12 <br />C -1310 <br />12 <br />C -1311 <br />18 <br />C -1312 <br />18 <br />C -1313 <br />12 <br />C -1314 <br />18 <br />C -1315 <br />18 )K <br />C -1316 <br />18 X <br />C -1317 <br />DELETED <br />C -B18 <br />12 <br />C -1319 <br />24 <br />C -1320 <br />24)K <br />C -1321 <br />36 <br />C -1322 <br />18 <br />C -1323 <br />18 <br />C -1324 <br />12 <br />C -1325 <br />12 <br />C -1326 <br />12 <br />C -1327 <br />24 <br />X An 18 -inch culvert <br />will handle 11 cfs <br />with a HW /D ratio <br />of 2.0. If an 18 -inch <br />culvert is to be used, assure rock headwall <br />or road will provide 18" of head over top <br />of culvert. <br />POND B <br />CAPACITIES <br />ACRE <br />- FEET <br />WATER SEDIMENT TOTAL <br />DESIGN CAPACITY 4.10 0.62 4.72 <br />REQUIRED CAPACITY 3.07 0.39 3.46 <br />NOTES: <br />1. <br />For pond and ditch sizing calculations <br />see Volume III, Exhibit 8. <br />2. <br />Riprap shall consist of hard, dense, rough <br />fractured stone as nearly cubical as <br />practical. Stone shall be well graded in <br />order that the voids can be filled, and at <br />least 50 percent of the mass shall be <br />stones equal to or larger than the specified <br />riprap size. <br />3. <br />A geotextile fabric shall be placed under <br />all riprap. Use Mirafi 60OX or equal. <br />4. <br />Pond dewatering pipe shall be plastic <br />irrigation pipe, PIP, 80 psi rated, with bell <br />and spigot joints or glued joints, valved <br />on the outlet end. <br />5. <br />For sediment control plan see Map No. 20. <br />6. <br />For drainage plans see Map No. 21 -1, 21 -2 <br />21 -3 and 21 -4. <br />)9 PPgovE© <br />6 /4 /o 9 <br />