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HomeMy WebLinkAboutC5.3 Erosion Control DetailsSTORM PIPE PLAN SECTION A KENTUCKY BLUEGRASS 100 LBS. /ACRE; CREEPING RED FESCUE 100 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, AUGU ;T AND /OR SEPTEMBER IRRIGATION NEEDED FOR 2 TO 3 WEEKS AFTER SUPPLYING SOD NOTE: IF AN AREA OF DISTURBED SOIL IS LIKELY OR PLANNED TO REMAIN DORMANT FOR 15 DAYS OR MORE, THE SURFACE MUST BE PROTECTED. IF THE GRASS CANNOT BE ESTABLISHED QUICKLY TO MEET THE TIME OR COVERAGE REQUIREMENTS, MULCH SHOULD BE UTILIZED WITH THE SEEDING. PLEASE REFERENCE SOIL PREPARATION AND MULCHING REQUIREMENTS IDENTIFIED BELOW. SOIL PREPARATION: AREAS WHERE TEMPORARY OR PERMANENT SEEDING IS REQUIRED, AS DEFINED ABOVE, SHALL BE PREPARED TO RECEIVE SEED. THE TOP 2 TO 3 INCHES OF SOIL SHALL BE RAKED OR DISKED TO CREATE AREAS CONDUCIVE TO THE SECURING OF SEED AND GERMINATION OF GRASS SEED. MULCHING REQUIREMENTS: 1. APPLY MULCH AT THE RECOMMENDED RATE. 2. SPREAD UNIFORMLY BY HAND, HAY FORK, MULCH BLOWER, OR HYDROMULCHER. AFTER SPREADING, NO MORE THAN 25% OF THE GROUND SURFACE SHOULD BE VISIBLE. 3. IF STRAW OR HAY IS USED, ANCHOR IT IMMEDIATELY ONE OF THE FOLLOWING WAYS: CRIMP WITH A MULCH ANCHORING TOOL, A WEIGHTED FARM DISK WITH DULL SERATED BLADES SET STRAIGHT, OR TRACK CLEATS OF A BULLDOZER, OR HYDROMULCH WITH SHORT CELLULOSE FIBERS, OR APPLY A LIQUID TACKIFIER, OR COVER WITH NETTING SECURED BY METAL STAPLES. APRON END SECTION ._..r_... #i r r r> FILTER FABRIC EXTEND APRON TO LENGTH SHOWN ON EROSION CONTROL PLAN NO OVERFALL NOTES: 1. FOUNDATION SHALL BE GEOTEXTILE FABRIC FOR STABILIZATION AND WELL- GRADED FILTRATION OR 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). RIPRAP MAINTENANCE REQUIREMENTS 1. INSPECT PERIODICALLY FOR DISPLACED ROCK MATERIAL, SLUMPING, AND EROSION AT EDGES, ESPECIALLY DOWNSTREAM OR DOWN SLOPE. OUTLET PROTECTION (RIP RAP) DETAIL NOT TO SCALE Co 300 275 250 225 200 SLOPE 175 LENGTH 150 125 100 75 50 25 A 0 3' x x 4:1 3:1 2:1 SLOPE GRADIENT 1 '12 1:1 1 STAPLE PER SQ. YD. 1 STAPLES PER SQ. YD. B A C B A C B C B C CHANNEL LINING 50' MIN. 112 6" MIN. WDOT GRADATION NO. 1 CRUSHED STONE x X o- Q �aoa V o o v` .o °.0 a .O o Y o •p° o�$' 0.°0 °o.01 0 0 ��o��oa.o o Q °p o n ,2 (fin op 00 O O° O •c •o o a o a o GRAVEL CONSTRUCTION ENTRANCE NOT TO SCALE 3' EROSION CONTROL MAT INSTALLATION GUIDE DETAIL NOT TO SCALE 2 STAPLES PER SQ. YD. GENERAL STAPLE RECOMMENDATIONS ADDITIONAL STAPLES AS REQUIRED DUE TO DEPTH OF FLOW C X x NOTES: CHANNEL LININGS UTILIZE STAPLI. PATTERN "C' WITH ADDITIONAL STAPLES ON SIDE SLOPES AT PROJECTED WATER LINE. STAPLE PATTERNS APPLY TO ALL NORTH AMERICAN GREEN EROSION CONTROL BLANKETS. STAPLE PATTERNS MAY VARY DEPENDING UPON SOIL TYPE AND AVERAGE RAINFALL. AT SLOPE LENGTHS GREATER THAN 300 FEET OR WHERE DRAINAGE OVER LARGE AREAS IS DIRECTED ONTO THE BLANKETS, STAPLE PATTERN "C" SHOULD BE UTILIZED. EROSION CONTROL BLANKET (SURFACE APPLIED) INSTALLATION REQUIREMENTS 1. SELECT THE TYPE AND WEIGHT OF EROSION CONTROL BLANKET TO FIT THE SITE CONDITIONS (e.g., SLOPE, CHANNEL FLOW VELOCITY). 2. INSTALL ANY PRACTICES NEEDED TO CONTROL EROSION AND RUNOFF, SUCH AS TEMPORARY OR PERMANENT DIVERSION, SEDIMENT BASIN OR TRAP, SILT FENCE, AND STRAW BALE DAM. 3. GRADE THE SITE AS SPECIFIED IN THE CONSTRUCTION PLAN. 4. ADD TOPSOIL WHERE APPROPRIATE. 5. PREPARE THE SEEDBED, FERTILIZE (AND LIME, IF NEEDED), AND SEED THE AREA IMMEDIATELY AFTER GRADING. 6. FOLLOWING MANUFACTURER'S DIRECTIONS, LAY THE BLANKETS ON THE SEEDED AREA SUCH THAT THEY ARE IN CONTINUOUS CONTACT WITH THE SOIL AND THAT THE UPSLOPE OR UPSTREAM ONES OVERLAP THE LOWER ONES BY AT LEAST 8 in. 7. TUCK THE UPPERMOST EDGE OF THE UPPER BLANKETS INTO A CHECK SLOT (SILT TRENCH), BACKFILL WITH SOIL, AND TAMP DOWN. 8. ANCHOR THE BLANKETS AS SPECIFIED BY THE MANUFACTURER. THIS TYPICALLY INVOLVES DRIVING 6 -8 in. METAL STAPLES INTO THE GROUND IN A PATTERN DETERMINED BY THE SITE CONDITIONS. EROSION CONTROL BLANKET (SURFACE APPLIED) MAINTENANCE REQUIREMENTS 1. DURING VEGETATIVE ESTABLISHMENT INSPECT AFTER STORM EVENTS FOR ANY EROSION BELOW THE BLANKET. 2. IF ANY AREA SHOWS EROSION PULL BACK THAT PORTION OF THE BLANKET COVERING IT, ADD SOIL, RE -SEED THE AREA, AND RE -LAY AND STAPLE THE BLANKET. 3. AFTER VEGETATIVE ESTABLISHMENT CHECK THE TREATED AREA PERIODICALLY. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE INSTALLATION REQUIREMENTS 1. AVOID LOCATING ON STEEP SLOPES OR AT CURVES IN PUBLIC ROADS. 2. REMOVE ALL VEGETATION AND OTHER OBJECTIONABLE MATERIAL FROM THE FOUNDATION AREA, AND GRADE AND CROWN FOR POSITIVE DRAINAGE. 3. IF SLOPE TOWARDS THE ROAD EXCEEDS 2%, CONSTRUCT A 6 -8 in. HIGH WATER BAR (RIDGE) WITH 3:1 SIDE SLOPES ACROSS THE FOUNDATION AREA ABOUT 15 ft. FROM THE ENTRANCE TO DIVERT RUNOFF AWAY FROM THE ROAD. 4. INSTALL PIPE UNDER THE PAD IF NEEDED TO MAINTAIN PROPER PUBLIC ROAD DRAINAGE. 5. IF WET CONDITIONS ARE ANTICIPATED, PLACE GEOTEXTILE FABRIC ON THE GRADED FOUNDATION TO IMPROVE STABILITY. 6. PLACE STONE TO DIMENSIONS AND GRADE SHOWN IN THE EROSION /SEDIMENT CONTROL PLAN, LEAVING THE SURFACE SMOOTH AND SLOPED FOR DRAINAGE. 7. DIVERT ALL SURFACE RUNOFF AND DRAINAGE FROM THE STONE PAD TO A SEDIMENT TRAP OR BASIN. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE MAINTENANCE REQUIREMENTS 1. INSPECT ENTRANCE PAD AND SEDIMENT AREA WEEKLY AND AFTER STORM EVENTS OF HEAVY USE. 2. RESHAPE PAD AS NEEDED FOR DRAINAGE AND RUNOFF CONTROL. 3. TOP DRESS WITH CLEAN STONE AS NEEDED. 4. IMMEDIATELY REMOVE MUD AND SEDIMENT TRACKED OR WASHED ONTO PUBLIC ROADS BY BRUSHING OR SWEEPING. FLUSHING SHOULD ONLY BE USED IF THE WATER IS CONVEYED INTO A SEDIMENT ROCK TRAP OR BASIN. 5. REPAIR ANY BROKEN PAVEMENT IMMEDIATELY. x Oa Z MCI F. o w Z Z Z 0-me 0 4� 17, cs Z t o U 0 0 p 4 N o. PE 10300078 SUE OF 931 "4 `°Z ONAL N H W Z O N 0 CC W N Z O 74; us oa 5 11) 1;; V LLA 0 4 z 4 a SHEET NO. C5.3 OF I N2003.0744.073.C52 -053 SURFACE STABILIZATION CHART 3 STABILIZATION PRACTICE JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. PERMANENT SEEDING A /I */1/- DORMANT SEEDING B B TEMPORARY SEEDING C /I D E SODDING F /I MULCHING STORM PIPE PLAN SECTION A KENTUCKY BLUEGRASS 100 LBS. /ACRE; CREEPING RED FESCUE 100 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, AUGU ;T AND /OR SEPTEMBER IRRIGATION NEEDED FOR 2 TO 3 WEEKS AFTER SUPPLYING SOD NOTE: IF AN AREA OF DISTURBED SOIL IS LIKELY OR PLANNED TO REMAIN DORMANT FOR 15 DAYS OR MORE, THE SURFACE MUST BE PROTECTED. IF THE GRASS CANNOT BE ESTABLISHED QUICKLY TO MEET THE TIME OR COVERAGE REQUIREMENTS, MULCH SHOULD BE UTILIZED WITH THE SEEDING. PLEASE REFERENCE SOIL PREPARATION AND MULCHING REQUIREMENTS IDENTIFIED BELOW. SOIL PREPARATION: AREAS WHERE TEMPORARY OR PERMANENT SEEDING IS REQUIRED, AS DEFINED ABOVE, SHALL BE PREPARED TO RECEIVE SEED. THE TOP 2 TO 3 INCHES OF SOIL SHALL BE RAKED OR DISKED TO CREATE AREAS CONDUCIVE TO THE SECURING OF SEED AND GERMINATION OF GRASS SEED. MULCHING REQUIREMENTS: 1. APPLY MULCH AT THE RECOMMENDED RATE. 2. SPREAD UNIFORMLY BY HAND, HAY FORK, MULCH BLOWER, OR HYDROMULCHER. AFTER SPREADING, NO MORE THAN 25% OF THE GROUND SURFACE SHOULD BE VISIBLE. 3. IF STRAW OR HAY IS USED, ANCHOR IT IMMEDIATELY ONE OF THE FOLLOWING WAYS: CRIMP WITH A MULCH ANCHORING TOOL, A WEIGHTED FARM DISK WITH DULL SERATED BLADES SET STRAIGHT, OR TRACK CLEATS OF A BULLDOZER, OR HYDROMULCH WITH SHORT CELLULOSE FIBERS, OR APPLY A LIQUID TACKIFIER, OR COVER WITH NETTING SECURED BY METAL STAPLES. APRON END SECTION ._..r_... #i r r r> FILTER FABRIC EXTEND APRON TO LENGTH SHOWN ON EROSION CONTROL PLAN NO OVERFALL NOTES: 1. FOUNDATION SHALL BE GEOTEXTILE FABRIC FOR STABILIZATION AND WELL- GRADED FILTRATION OR 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). RIPRAP MAINTENANCE REQUIREMENTS 1. INSPECT PERIODICALLY FOR DISPLACED ROCK MATERIAL, SLUMPING, AND EROSION AT EDGES, ESPECIALLY DOWNSTREAM OR DOWN SLOPE. OUTLET PROTECTION (RIP RAP) DETAIL NOT TO SCALE Co 300 275 250 225 200 SLOPE 175 LENGTH 150 125 100 75 50 25 A 0 3' x x 4:1 3:1 2:1 SLOPE GRADIENT 1 '12 1:1 1 STAPLE PER SQ. YD. 1 STAPLES PER SQ. YD. B A C B A C B C B C CHANNEL LINING 50' MIN. 112 6" MIN. WDOT GRADATION NO. 1 CRUSHED STONE x X o- Q �aoa V o o v` .o °.0 a .O o Y o •p° o�$' 0.°0 °o.01 0 0 ��o��oa.o o Q °p o n ,2 (fin op 00 O O° O •c •o o a o a o GRAVEL CONSTRUCTION ENTRANCE NOT TO SCALE 3' EROSION CONTROL MAT INSTALLATION GUIDE DETAIL NOT TO SCALE 2 STAPLES PER SQ. YD. GENERAL STAPLE RECOMMENDATIONS ADDITIONAL STAPLES AS REQUIRED DUE TO DEPTH OF FLOW C X x NOTES: CHANNEL LININGS UTILIZE STAPLI. PATTERN "C' WITH ADDITIONAL STAPLES ON SIDE SLOPES AT PROJECTED WATER LINE. STAPLE PATTERNS APPLY TO ALL NORTH AMERICAN GREEN EROSION CONTROL BLANKETS. STAPLE PATTERNS MAY VARY DEPENDING UPON SOIL TYPE AND AVERAGE RAINFALL. AT SLOPE LENGTHS GREATER THAN 300 FEET OR WHERE DRAINAGE OVER LARGE AREAS IS DIRECTED ONTO THE BLANKETS, STAPLE PATTERN "C" SHOULD BE UTILIZED. EROSION CONTROL BLANKET (SURFACE APPLIED) INSTALLATION REQUIREMENTS 1. SELECT THE TYPE AND WEIGHT OF EROSION CONTROL BLANKET TO FIT THE SITE CONDITIONS (e.g., SLOPE, CHANNEL FLOW VELOCITY). 2. INSTALL ANY PRACTICES NEEDED TO CONTROL EROSION AND RUNOFF, SUCH AS TEMPORARY OR PERMANENT DIVERSION, SEDIMENT BASIN OR TRAP, SILT FENCE, AND STRAW BALE DAM. 3. GRADE THE SITE AS SPECIFIED IN THE CONSTRUCTION PLAN. 4. ADD TOPSOIL WHERE APPROPRIATE. 5. PREPARE THE SEEDBED, FERTILIZE (AND LIME, IF NEEDED), AND SEED THE AREA IMMEDIATELY AFTER GRADING. 6. FOLLOWING MANUFACTURER'S DIRECTIONS, LAY THE BLANKETS ON THE SEEDED AREA SUCH THAT THEY ARE IN CONTINUOUS CONTACT WITH THE SOIL AND THAT THE UPSLOPE OR UPSTREAM ONES OVERLAP THE LOWER ONES BY AT LEAST 8 in. 7. TUCK THE UPPERMOST EDGE OF THE UPPER BLANKETS INTO A CHECK SLOT (SILT TRENCH), BACKFILL WITH SOIL, AND TAMP DOWN. 8. ANCHOR THE BLANKETS AS SPECIFIED BY THE MANUFACTURER. THIS TYPICALLY INVOLVES DRIVING 6 -8 in. METAL STAPLES INTO THE GROUND IN A PATTERN DETERMINED BY THE SITE CONDITIONS. EROSION CONTROL BLANKET (SURFACE APPLIED) MAINTENANCE REQUIREMENTS 1. DURING VEGETATIVE ESTABLISHMENT INSPECT AFTER STORM EVENTS FOR ANY EROSION BELOW THE BLANKET. 2. IF ANY AREA SHOWS EROSION PULL BACK THAT PORTION OF THE BLANKET COVERING IT, ADD SOIL, RE -SEED THE AREA, AND RE -LAY AND STAPLE THE BLANKET. 3. AFTER VEGETATIVE ESTABLISHMENT CHECK THE TREATED AREA PERIODICALLY. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE INSTALLATION REQUIREMENTS 1. AVOID LOCATING ON STEEP SLOPES OR AT CURVES IN PUBLIC ROADS. 2. REMOVE ALL VEGETATION AND OTHER OBJECTIONABLE MATERIAL FROM THE FOUNDATION AREA, AND GRADE AND CROWN FOR POSITIVE DRAINAGE. 3. IF SLOPE TOWARDS THE ROAD EXCEEDS 2%, CONSTRUCT A 6 -8 in. HIGH WATER BAR (RIDGE) WITH 3:1 SIDE SLOPES ACROSS THE FOUNDATION AREA ABOUT 15 ft. FROM THE ENTRANCE TO DIVERT RUNOFF AWAY FROM THE ROAD. 4. INSTALL PIPE UNDER THE PAD IF NEEDED TO MAINTAIN PROPER PUBLIC ROAD DRAINAGE. 5. IF WET CONDITIONS ARE ANTICIPATED, PLACE GEOTEXTILE FABRIC ON THE GRADED FOUNDATION TO IMPROVE STABILITY. 6. PLACE STONE TO DIMENSIONS AND GRADE SHOWN IN THE EROSION /SEDIMENT CONTROL PLAN, LEAVING THE SURFACE SMOOTH AND SLOPED FOR DRAINAGE. 7. DIVERT ALL SURFACE RUNOFF AND DRAINAGE FROM THE STONE PAD TO A SEDIMENT TRAP OR BASIN. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE MAINTENANCE REQUIREMENTS 1. INSPECT ENTRANCE PAD AND SEDIMENT AREA WEEKLY AND AFTER STORM EVENTS OF HEAVY USE. 2. RESHAPE PAD AS NEEDED FOR DRAINAGE AND RUNOFF CONTROL. 3. TOP DRESS WITH CLEAN STONE AS NEEDED. 4. IMMEDIATELY REMOVE MUD AND SEDIMENT TRACKED OR WASHED ONTO PUBLIC ROADS BY BRUSHING OR SWEEPING. FLUSHING SHOULD ONLY BE USED IF THE WATER IS CONVEYED INTO A SEDIMENT ROCK TRAP OR BASIN. 5. REPAIR ANY BROKEN PAVEMENT IMMEDIATELY. x Oa Z MCI F. o w Z Z Z 0-me 0 4� 17, cs Z t o U 0 0 p 4 N o. PE 10300078 SUE OF 931 "4 `°Z ONAL N H W Z O N 0 CC W N Z O 74; us oa 5 11) 1;; V LLA 0 4 z 4 a SHEET NO. C5.3 OF I N2003.0744.073.C52 -053