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HomeMy WebLinkAbout04120019.80 0 0 0 n N ul0 W 8 W U h O CL DIRECTION _H OF FLOW N #8 STONE (1' — MIN. THICKNESS) PLAN MAINTENANCE: 1. INSPECT THE STRUCTURE AFTER EACH STORM EVENT, REMOVING SEDIMENT AND MAKING NEEDED REPAIRS IMMEDIATELY. 2. WHEN THE CONTRIBUTING DRAINAGE AREA HA: BEEN STABILIZES, REMOVE AND PROPERLY DISPOSE OF ANY UNSTABLE SEDIMENT AND CONSTRUCTION MATERIAL, AND RE- STABILIZE. ROCK CHECK DAM DETAIL NOT TO SCALE SEASONAL SOIL PROTECTION CHART STABILIZATION PRACTICE JAN. FEB. MAR. APR. MAY JUNE JULY ! AUG. SEPT., OCT. NOV. DEC. PERMANENT SEEDING A -- DORMANT SEEDING B r B TEMPORARY SEEDING C */ / / / /I // D / //* E SODDING MULCHING G A = KENTUCKY BLUEGRASS 100 LBS. /ACRE; CREEPING RED FESCUE 10`0 LBS. /ACRE; PLUS 2 TONS STRAW MULCH /ACRE, OR ADD ANNUAL RYEGRASS 20 LBS. /'ACRE B = KENTUCKY BLUEGRASS 120 LBS. /ACRE; CREEPING RED FESCUE 120 LBS. /ACRE; PLUS 2 TONS STRAW MULCH /ACRE, OR ADD ANNUAL RYEGRASS 30 LBS./ ACRE C = SPRING OATS 3 BUSHELS /ACRE D = WHEAT OR RYE 2 BUSHELS /ACRE E = ANNUAL RYEGRASS 40 LBS. /ACRE ( 1 LB /1000 SQ. FT. ) F = SOD G = STRAW MULCH 2 TONS /ACRE * /i /* = IRRIGATION NEEDED DURING JUNE, JULY, AUGUST AND /OR SEPTEMBER ** = IRRIGATION NEEDED FOR 2 TO 3 WEEKS AFTER SUPPLYING SOD WOOD STAKES OR METAL REBAR DRAIN GRATE to ti PLAN EXTEND APRON TO LENGTH SHOWN ON EROSION CONTROL PLAN END SECTION---- APRON ti i- -- NO OVERFALL STORM PIPE SEC T I ON FILTER FABRIC OUTLET PROTECTION DETAIL NOT TO SCALE NOTES: 1. FOUNDATION SHALL BE GEOTEX71LE FABRIC FOR STABILIZATION AND FILTRATION OR WELL- GRADED GRAVEL FILTER LAYER AT LEAST 6 IN. THICK 2. STONE SHALL BE HARD, ANGULAR, AND HIGHLY WEATHER - RESISTANT RIPRAP STONE AT A THICKNESS OF 12 IN. MINIMUM OR TWO TIMES THE STONE DIAMETER, WHICHEVER IS GREATER 3. MAKE SURE THE TOP OF THE RIPRAP APRON IS LEVEL WITH OR SLIGHTLY BELOW THE RECEIVING STREAM. (RIPRAP SHOULD NOT RESTRICT THE CHANNEL OR PRODUCE AN OVERFALL) STRAW BALES TIGHTLY STACKED OR OFFSET CORNERS AS SHOWN GRAVEL BACKFILL 900•° - LESS THAN a VI 5% SLOPE NOTES: 1. DROP INLET SEDIMENT BARRIERS ARE TO BE USED FOR SMALL, NEARLY LEVEL DRAINAGE AREAS. ( LESS THAN 5% ). 2. EMBED THE BALES 4" ( 100mm INTO THE SOIL AND OFFSET CORNERS OR PLACE BALES WITH ENDS TIGHTLY ABUTTING. GRAVEL BACKFILL WILL PREVENT EROSION OR FLOW AROUND THE BALES. 3. THE TOP OF THE STRUCTURE ( PONDING HEIGHT ) MUST BE WELL BELOW THE GROUND ELEVATION DOWNSLOPE TO PREVENT RUNOFF FROM BYPASSING THE INLET. EXCAVATION OF A BASIN ADJACENT TO THE DROP INLET OR A TEMPORARY DIKE ON THE DOWNSLOPE OF THE STRUCTURE MAY BE NECESSARY. STRAW BALE INLET PROTECTION NOT TO SCALE TO DETENTION POND X 2' TALL BERM 20 L.F. OF 6" PERFORATED (MINIMUM) r �� PVC PIPE WRAPPED 6 I IN FILTER FABRIC BURIED 18" BELOW GRADE l 1�X rt ��k` Its 1� .`�� _ _ -�j r 1 ,jam SAND BAGS DRAINAGE STRUCTURE SEDIMENTATION CONTROL NOT TO SCALE NOTE: SAND BAGS SHALL BE PLACED AND MAINTAINED AROUND NEWLY CONSTRUC` -ED DRAINAGE STRUCTURES. FILL BAGS APPROXIMATELY HALF FULL WITH SAND OR FINE GRAVEL. BAGS TO BE LAYERED 1 TO 3 HIGH AS NEEDED, AND TO REMAIN IN PLACE UNTIL SITE WORK IS COMPLETED. 20 10% SLOPE (�o rr J ' 10% SLOPE 20' GRAVEL—/ ENTRANCE y f X a N 2' TALL BERM (MINIMUM) 20' GRAVEL 1� -- EXIT CONCRETE TRUCK WASHOUT AREA (6 LAYER OF #53 STONE) 300 275 250 225 200 SLOPE 175 LENGTH 150 FT. 125 100 75 50 25 r Q D Q 0 Of NON WOVEN GEOTEXTILE FABRIC 1 O'R . 1 1 • • ,•1 •,. x.,.,1.1 1 s • ,,i •- � -,1 1� •- ,.� . • • • WE • AIR 1 O'R 6" MIN.N 0. 2 CRUSHED STONE GRAVEL CONSTRUCTION ENTRANCE NOT TO SCALE SPACE POSTS PER MANUFACTURER RFC ommFNnATinNS WIRE FILTER FABRIC WOOD POST FLOW NOTE: POSTS SHALL HAVE A MINIMUM LENGTH OF 36 INCHES PLUS BURIAL DEPTH. POST MATERIAL SHALL BE WOOD, STEEL, OR SYNTHETIC, AND SHALL BE OF SIFFICIENT STRENGTH TO RESIST DAMAGE DURING INSTALLATION AND TO SUPPORT APPLIED � LOADS. i. N FABRIC SHALL BE A WOVEN GEOTEXTILE FABRIC _� CONSISTING OF STRONG, ROT RESISTANT, EXTEND FABRIC & MATERIALS RESISTANT TO DETERIORATION FROM WIRE TO 4" BELOW _ ULTRAVIOLET AND HEAT EXPOSURE. SURFACE SILT FENCE CONSTRUCTION NOT TO SCALE A B C KI X 1 STAPLE PER SQ. YD. 1 1/2 STAPLES PER SQ. YD. GENERAL STAPLE RECOMMENDATIONS B 3' C C C B x X x X X B 1 STAPLE PER SQ. YD. 1 1/2 STAPLES PER SQ. YD. GENERAL STAPLE RECOMMENDATIONS B C C C C B A A B B 4 3' 2 STAPLES PER SQ. YD. ADDITIONAL STAPLES AS REQUIRED DUE TO DEPTH OF FLOW RL� ►o x NOTES CHANNEL LININGS UTILIZE STAPLE PA-iTERN "C" WITH ADDITIONAL STAPLES ON SIDE SLOPES AT PROJECTED WATER LINE. STAPLE PATTERNS APPLY TO ALL NORTH AMERICAN GREEN 4 :1 3:1 2:1 1:1 CHANNEL EROSION CONTROL BLANKETS. STAPLE PATTERNS MAY VARY CONCRETE TRUCK WASHOUT DETAIL LINING DEPENDING UPON SOIL TYPE AND AVERAGE RAINFALL. SLOPE GRADIENT AT SLOPE LENGTHS GREATER THAN X00 FEET OR WHERE DRAINAGE NOT TO SCALE OVER LARGE AREAS IS DIRECTED ONTO THE BLANKETS, STAPLE PATTERN "C" SHOULD BE UTILIZED. EROSION CONTROL MAT INSTALLATION GUIDE DETAIL NOT TO SCALE u0 Z�soop a H en Q O"4 Cn Z;;; z �z U Zak E • '...I A tz, o W � 4 00 J °° r..� d v m V) zp = Ic 0 Z -0 CL O v 3 O �C W U g Oy Z J v r< V sr P4 O ��UW IL `a z h c a E ZEE Z (� FET4 N0. * 19900549 STALE OF [vim �101U L CERTIFIE6 BY Z to a Z Y W W o � Vm O J� 0 0 Lu F- D w Z V O O� V um 2 �a Z LLl v O 21. � N Vi W O 3W W a V 1 REVISIONS SHEET NO. C5. 2 OF DATE: 12/17/2004 DRAWN BY JMs CHK'D BY: AF .106 NO. IN2004.0948 IN2004 -094- 074- C52ECD