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HomeMy WebLinkAboutNCG021005_ESC Plans_20230202ZZ RAI IM KAAT 11r,'X1nn'\ LEGEND SYMBOL DESCRIPTION INDEX EC MEASURES AND SEQUENCE (EXISTING DISTURBANCE) 1. INSTALL PERIMETER MEASURES SUCH AS SILT FENCE AND CLEAN WATER DIVERSIONS. (ADJUST EXISTING SILT FENCE TO ADD A J-HOOK AT THE DOWN HILL SIDE) 7 IAICTAI I NAI Ill NAATC INIrI 1 IIIINIG TUG (YIAICTDI IrTIr)KI CAITDANIrC: or stockpile location mended I bermed seperator into narrow trap tside of road on nose of slope tside of road on nose of slope tside of road and at sharp bend in the road tside of road and at sharp bend in the road EQUINOX 37 Haywood St. Suite 100 Asheville, NC 28801 t 828.253.6856 f 828.253.8256 SEAL `O �O DESIGN BY: DRAWN BY: CHECKED BY: w H Q 0 z 0 w Uj z w U �Q �J o ^ N U LL CZ Z v 0 = O U cB O 4- < O 73 O M I � W 2 Copyright ©2022, Equinox Environmental Consultation & Design, Inc. PHASE DATE December 7, 2022 DRAWING SCALE AS SHOWN NOTE: If this drawing is not 2406" it has been revised from its original size and the scales noted on drawings/details are no longer applicable. DRAWING NAME EROSI N CON • NOTE: GRAVEL & RIP RAP FILTER BERM BASIN DETAIL IS DESIGNED TO PROTECT EXISTING PIPE INVERTS THAT DRAIN 10 ACRES OR LESS. DISTURBED AREA — 2 (CUT, FILL, ETC.) =III —I SECTION THRU BASIN, FILTER AND CULVERT PIPE FLOOD STORAGE ZONE J PIPE INVERT 1� scow SEDIMENT STORAGE 1.5' MAX DEPTH (CLEAN OUT POINT) I III III III -III—III—I I . 1=1 I 1=1 i IDISTURBED AREA WITH- —MAX SLOPE OF 2:1 -(CUT, FILL, ETC.) , ;I SEDIMENT STORAGE PIPE INLET PROTECTION NITS DOUBLE SIDED BIODEGRADABLE STRAW BLANKET (NORTH AMERICAN GREEN BIONET BLANKET), BIODEGRADABLE JUTE MATTING OR EQUIVALENT TEMPORARY/ PERMANENT SEEDING ON BANKS PERMANENT SEED MIX i 10" Q\ �1-1/2" ALLOW 3" OVERLAP BETWEEN PARALLEL STRIPS DITCH APPLICATION EROSION CONTROL MATTING NTS La 3xD o� D = PIPE DIA. IN INCHES Dmax = MAXIMUM STONE SIZE (1.5 x d50) PIPE OUTFALL PROTECTION NTS CLASS B RIP —RAP #57 WASHED STONE RIP RAP HEADWALL RIP RAP HEADWALL AND CONTINUATION OF RIP RAP BERM _ I I I-� I I I —I 11=1 11=1 I l< =1 I I —I I I E I C I —I O I —I I � — —I FLOW 11=III=111— #57 WASHED STONI NATURAL GROUND PLAN SYMBOL BURY THE TOP END OF THE MAT IN A TRENCH 4" OR MORE IN DEPTH. TAMP THE TRENCH FULL OF SOIL. SECURE WITH ROW OF STAPLES, 10" SPACING, 4" DOWN FROM THE TRENCH. OVERLAP END OF TOP STRIP 6" AND STAPLE. V\ i WOOD/BIODEGRADABLE STAPLES .091" DIA. OR LARGER: U SHAPED 6" LEGS OR APPROVED EQUAL (STAPLES PER EROSION CONTROL MATTING SPECIFICATIONS) MATTINGTUCKED FOLD TO SECURE AT EDGE AND STAPLED W=D+La .5 x Dmax �� I i ­11C PIPE OUTF CLASS RIP RAP La OP 1 CLASS A 6' OP 2 CLASS A 6' OP 3 CLASS A 6' PLAN SYMBOL IF STONE 1.5' MIN. RIC TOP OF DITCH (NATURAL GROUND) CLASS B EROSION CONTROL 2'7 24" MAX. AT CENTER FILTER FABRIC SECTION A —A STONE SHOULD BE PLACED OVER THE CHANNEL BANKS TO KEEP WATER FROM CUTTING AROUND THE DAM. INSPECTION AND MAINTENANCE: REMOVE SEDIMENT ONCE IT HAS REACHED 1/3 THE HEIGHT OF THE CHECK DAM. ROCK CHECK DAM NTS NOTE: THE MOST UPSLOPE EDGE OF EROSION CONTROL BLANKETS IS TO BE STAPLED 2' O.C. 6" MIN. OVERLAP DOUBLE SIDED BIODEGRADABLE STRAW BLANKET (NORTH AMERICAN GREEN BIONET BLANKET), BIODEGRADABLE JUTE MATTING OR EQUIVALENT — DIRECTION OF WATER FLOW STAPLES IN ALTERNATING PATTERN +/-5' APART 4 STAPLES IN ROW ALONG END AND ALONG EDGE OF SWALE CHANNEL BOTH SIDES HILLSIDE APPLICATION TIE TO EXISTING GRADE r-nncinni i^nnirnni M AnivrT rnn ri nnr-r NOTES: 1. FOR NEWLY CUT CLEAN WATER DIVERSION DITCH, USE EC BLANKET (SEE 312.1) 2. SEED SWALE/DITCH PER SEEDING SCHEDULE L2.2 SIDE SLOPES SHALL BE 3:1 MAXIMUM. PLAN SYMBOL VEGETATED SWALE / CLEAN WATER DIVERSION DITCH ►�-� NTS 50' BASE OF DITCH NOTES: O1 FILL LOW AREAS ALONG TOP OF BANK TO PREVENT BACKWATER FROM EXITING DITCH. COMPACTED SOIL WATER BAR NTS 2' 6' TYP. S =DITCH SLOPE PLAN SYMBOL 0O�O�O O FLOW II PLAN SYMBOL s 00 New Wr h%wl EQUINOX 37 Haywood St. Suite 100 Asheville, NC 28801 t 828.253.6856 f 828.253.8256 SEAL �O DESIGN BY: DRAWN BY: CHECKED BY: ## ## ## w Q 0 Z 0 Ln > w W z G W U �Q �J ^ N LL UU z ao Ln >�' 0 = O U ca O � O 0 >, O M c� Copyright© 2022, Equinox Environmental Consultation & Design, Inc. PHASE #### DATE December 7, 2022 DRAWING SCALE AS SHOWN NOTE: If this drawing is not 24x36" it has been revised from its original size and the scales noted on drawings/details are no longer applicable. DRAWING NAME EROSION CONTROL DETAILS L290 SEDIMENT TRAP PLAN VIEW A 700-B STONE APRON pp0 0 0 AS HOWN A PRAP OUTLET TRAP VOLUME BAFFLES (3)- JVI\I /-1VL t11\LY1 SECTION A - A DESIGN SETTLED TOP OF DAM 1.5-FT. MIN. WEIR WIDTH 1.5-FT. rno ° 5-FT. MAX. I'2:1 oR rorob M� °ca°0 FLATTER 00oco o� TT NATURAL 3-FT. GROUND NON -WOVEN MINIMU GEOTEXTILE FABRIC 1:1 SIDE SLOPE OR FLATTER OVERFILL 0.5- FT. FOR SETTLEMENT COMPACTED EARTH FILL AND ROCK SECTION B - B 1-FT. THICK LAYER 1-INCH D50 WASHED STONE 5 EXTEND STONE APRON MINIMUMTO STABLE OUTLET - CLEAN OUT STAKE 2:1 1.5 FT. � 2:1 "V" Volume n _ � n 5-FT. MAX. FILL GENERAL NOTES 1. Sediment traps should not be placed in Waters of the State or USGS blue -line streams (unless approved by Federal Authorities). 2. The rock outlet structure shall consist of 12-inch D50 riprap. The upstream face of this outlet shall consist of a 1-foot thick layer of 1-inch D50 washed stone. The maximum steepness of the rock outlet structure shall be 2:1. 3. Both the rock outlet and the stone apron shall have an underlying layer of non -woven geotexti le filter fabric. 4. All internal side slopes of the sediment trap should be 2.5:1 or flatter. 5. A sediment cleanout stake should be installed and marked to remove sediment at 50% of the sediment storage volume. 7. After construction of each sediment trap, the area disturbed to construct the trap should be promptly stabilized, including all side slopes. 8. All sides of trap shall be matted and seeded. 9. The following sediment trap requirements shall be maintained: - Maximum embankment height shall be 5-feet. - Maximum riprap outlet height shall be 3.5-feet. - Minimum flow length at top of riprap outlet shall be 5-feet. INSPECTION AND MAINTENANCE 1. The key to a functional sediment trap is weekly inspections, routine maintenance and regular sediment removal. 2. Attention to sediment accumulations within the trap is extremely important. Accumulated sediment deposition should be continually monitored in the trap and removed when necessary. 3. Remove accumulated sediment when it reaches 50% of the designed sediment storage volume as marked by the cleanout stake. 4. Removed sediment from the trap shall be placed in stockpile storage areas or spread thinly across the disturbed area. Stabilize the removed sediment after it is relocated. 5. Regular inspections of sediment traps should be conducted once every calendar week and, as recommended and within 24-hours after each rainfall event that produces'/2-inch or more of precipitation. 6. Disturbed areas resulting from the removal of the sediment trap should be permanently stabilized and additional BMPs, such as silt fence, should be utilized to handle stormwater runoff from this disturbed area until final stabilization is reached. SEDIMENT TRAP NTS -WOVEN GEOTEXTILE FABRIC RIPRAP OUTLET 12-INCH D50 Drape baffle rnateriall over wire strand and secure with plastic ties at posts and on w ire every 12' 9QWe Mif►High T Tension 1Nrre 5trarxf T fill N . Shal I Be Secured To Past To Support 11AeMawial I�IE�'€�IAI 13fAI�IPI� 11 same IA+l,atefi al If tthe ternpora ry sediment basin will be converted to a permanent stormwater basin of greater depth, the baffle height should be based on the pool depth during use as a temporary Sediment basin. NoW Instal three (3) coir fl ber bAes in basins at drainage oudets with a spacing of 114 the basin length.Two (2) cnirfiber baffles can be installed in the basins less than 20 ft in length with a spading of 1/3 the basin length. Extend 9 gauge wire to basin side or i nstalI T=post to anchor baffle to side of basin and secure to veftical post *max. --* Variable Depth c T : Secure bottom of baffle to ground with 12' staples at Ur maadmurn spacing. PLAN SYMBOL MUD MAT NTS In CRUSHED AGGREGATE GREATER THAN 3" BUT SMALLER THAN 6" FILTER FABRIC ORIGINAL GRADE L-12" MIN, UNLESS OTHERWISE SPECIFIED BY A SOILS ENGINEER SECTION B-B INSTALLATION: 1. STABILIZED CONSTRUCTION ENTRANCES SHOULD BE USED AT ALL POINTS WHERE TRAFFIC WILL EGRESS/INGRESS A CONSTRUCTION SITE ONTO A PUBLIC ROAD OR ANY IMPERVIOUS SURFACE, SUCH AS A PARKING LOT. 2. INSTALL A NON -WOVEN GEOTEXTILE FABRIC PRIOR TO PLACING ANY STONE. 3. INSTALL A CULVERT PIPE ACROSS THE ENTRANCE WHERE NEEDED TO PROVIDE POSITIVE DRAINAGE. 4. LIMESTONE MAY NOT BE USED FOR THE STONE PAD. INSPECTION AND MAINTENANCE: 1. INSPECT THE CONSTRUCTION ENTRANCE AT LEAST ONCE PER CALENDAR WEEK. CHECK FOR MUD AND SEDIMENT BUILDUP AND PAD INTEGRITY. INSPECTIONS MAY BE NEEDED TO BE MORE FREQUENT DURING LONG PERIODS OF WET WEATHER. 2. THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION THAT WILL PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO PUBLIC RIGHT-OF-WAYS. THIS MAY REQUIRE TOP DRESSING, REPAIR AND/OR CLEAN OUT OF ANY MEASURES USED TO TRAP SEDIMENT. 4. WHEN NECESSARY, WHEELS SHALL BE CLEANED PRIOR TO ENTRANCE ONTO PUBLIC RIGHT-OF-WAY, 5. IMMEDIATELY REMOVE ANY MUD OR SEDIMENT TRACKED ONTO ADJACENT IMPERVIOUS SURFACES BY BRUSHING OR SWEEPING. FLUSHING SHOULD ONLY BE USED WHEN THE WATER IS DIRECTED TO A SEDIMENT TRAP OR BASIN. 6. REMOVE CONSTRUCTION ENTRANCE ONLY AFTER THE SITE HAS REACHED FINAL STABILIZATION. PERMANENT VEGETATION SHOULD REPLACE AREAS WHERE THE CONSTRUCTION ENTRANCE HAS BEEN REMOVED UNLESS THE AREA WILL BE CONVERTED TO AN IMPERVIOUS SURFACE TO SERVE POST -CONSTRUCTION. PLAN SYMBOL 5 1 K, ANC i DITCH 1" WASHED STONE FILTER PLAN VIEW 10' BEYOND OUTLET PROTECTION OR WHERE DITCH MEETS ANOTHER LINER MATERIAL NOTCHED WEIR ` 9"MIN. 5 FT. MAX. 2 r 1 >, -III1711111111111�� DITCH OUTFALL I RIP RAP EROSION CONTROL BLANKET CROSS SECTION STRAW WATTLE INSPECTION AND MAINTENANCE: REMOVE SEDIMENT ONCE IT HAS REACHED 1/3 THE HEIGHT OF THE NOTCHED WEIR. DITCH OUTLET PROTECTION NTS PLAN SYMBOL �1 EQUINOX 37 Haywood St. Suite 100 Asheville, NC 28801 t 828.253.6856 f 828.253.8256 SEAL `O �O DESIGN BY: DRAWN BY: CHECKED BY: w H Q 0 z 0 U0 w U..I z G LU U a� � J o ^ +J LL N U v 0 = o U cB O - < O U O m 4 2 Copyright ©2022, Equinox Environmental Consultation & Design, Inc. PHASE DATE December 7, 2022 DRAWING SCALE AS SHOWN NOTE: If this drawing is not 2406" it has been revised from its original size and the scales noted on drawings/details are no longer applicable. DRAWING NAME EROSION CONTROL D ETAI LS L291 NOTES: 1. SEE PLANTING & REVEGETATION SPECIFICATIONS (THIS SHEET) FOR MORE INFORMATION ON SEED APPLICATION AND ESTABLISHMENT. 2. CONTRACTOR TO KEEP RECORD OF SEED PURCHASE AND APPLICATION RATES FOR FINAL INSPECTION (BAGS & RECEIPTS). 3. GROUND STABILIZATION REQUIRED IN (7) SEVEN DAYS ON PERIMETER AREAS AND SLOPES GREATER THAN 3:1, AND GROUND STABILIZATION IN (14) DAYS ON OTHER AREAS TEMPORARY SEEDING SCHEDULE PERMANENT SEEDING SCHEDULE TEMPORARY SEEDING MUST OCCUR WHEN DENUDED AREAS WILL NOT BE PERMANENT SEEDING MUST OCCUR WITHIN 14 CALENDAR DAYS OF FINAL GRADING. BROUGHT TO FINAL GRADE WITHIN 7 CALENDAR DAYS (SEE NOTE 3 ABOVE). COVER CROPS (TEMPORARY SEEDING) TO BE ADDED TO PERMANENT SEEDING MIXES IF NO TEMPORARY SEEDING HAS BEEN PLACED PREVIOUSLY. SEEDING MIXTURE: SPECIES RATE (LB/ACRE) PERMANENT SEEDING MIXES: RATE (LB/ACRE) Of GERMAN MILLET 40 "STEEP SLOPES MIX" (ERNMX #310): 50 g PARTRIDGE PEA 10 "NC MOUNTAIN UPLAND MEADOW MIX" (ERNMX #303): 30 75 A small -stemmed sudangrass may be substituted for Partridge Pea at a rate of 50 "RIGHT-OF-WAY NATIVE WOODS MIX" ERNMX #132-1 : 30 ( ) co lb/acre. • "Steep Slopes Mix" seeding to be applied to all cut and fill slopes steeper than 3:1 SEEDING DATES: May 15-Aug 15 • "Mountain Meadow Mix" seeding to be applied in all all roadside and ditch conditions where part to full sun. O SEEDING MIXTURE: z SPECIES RATE (LB/ACRE) • "Woodland Mix" seeding to be applied in all roadside and ditch conditions in part to full W 06 10- ANNUAL (WINTER) RYE GRASS 60 shade. W cn PARTRIDGE PEA 10 • The seed mixes above are available at ERNST CONSERVATION SEEDS (800.873.3321). z W A small -stemmed sudangrass may be substituted for Partridge Pea at a rate of Local sources of similar seed mix may be used to be approvedlb/acre. by Landscape p Architect) SEEDING DATES: Feb 1-May 15 SOIL AMENDMENTS: Physically or chemically treat all exotic invasive plants before amending soil. Apply lime and fertilizer according to soil tests or apply 4,000 lb/acre ground agricultural limestone and 1,000 SEEDING MIXTURE: SPECIES RATE (LB/ACRE) lb/acre 5-10-10 fertilizer. ANNUAL (WINTER) RYE GRASS 60 PARTRIDGE PEA 10 SOIL PREPARATION: Soil impacted by construction must be loosened prior to seeding by means of disking < or raking. Seedbed shall be well-pulvarized, loose, and uniform. All stones larger than three (3) inches, A small -stemmed sudangrass may be substituted for Partridge Pea at a rate of 50 lb/acre. sticks, roots, and other extraneous materials shall be removed. Apply seed uniformly with a cyclon seeder, drop -type spreader, drill or hydro -seeder. Cover broadcast seed by lightly raking, then firm surface with SEEDING DATES: Aug 15-Dec 30 roller or cultipacker. Cut or disc temporary seeding cover crop prior to seeding. SEED PREPARATION: SOIL AMENDMENTS: Follow recommendation of soil tests. Use only amendments safe for riparian areas. If banks exceed 4:1, apply seed, lime, and apply mulch. MULCH: MULCH: Of Apply 4,000 lb/acre straw. Anchor straw by tacking. Apply 4,000-5,000 lb/acre grain straw or equivalent cover of another suitable, weed -free mulching material. w Use a spray -on growth (mulch) matrix (Flexterr;PFGM or equal) for slope embankments that exceed 3:1 z w MAINTENANCE: slopes. O Refertilize if growth is not fully adequate. Topdress with 50 lb/acre of nitrogen in March (if applicable). If it is necessary to extend temporary cover beyond June 15th overseed with MAINTENANCE: mixes provided. Reseed, re -fertilize and mulch immediately following erosion or other Mow or cut back no more than once a year. Refertilize in the second year unless growth is fully adequate. damage. Reseed, fertilize, and mulch damaged areas immediately. Weed during first 2 years of establishment. SEEDING SCHEDULE NTS 10' ROCK CHECK EVERY 50-100' ALONG SILT FENCE AS SHOWN ON PLAN AND IN AREAS OF CONCENTRATED FLOW. USE CLASS B RIP RAP LINED WITH #57 STONE ON FLOW SIDE WIRE -BACKED MIRAFI 100X SILT FENCE FABRIC (OR ENGINEERING APPROVED EQUAL - SEE NOTE #3) INSTALLATION: 1. SILT FENCES SHALL BE PLACED ON SLOPE CONTOURS TO MAXIMIZE PONDING EFFICIENCY. 2. INSTALL MINIMUM 10' (OR GREATER AS SPECIFIED ON PLANS) CHECKS (TIE -BACKS) AT END TO TYp PREVENT FLOWS FROM BY-PASSING SILT FENCE, AND EVERY 50'-100' WHERE SILT FENCE IS INSTALLED WITH SLOPE AND CONCENTRATED FLOWS ARE EXPECTED ALONG FENCE. FN M 3. SILT FENCE SLURRY FLOW RATE TO BE 0.3 GPM/FT 2, LESS THAN THE CLEAR WATER FLOW RATE OF 10 GPM/FT2. tMgkiM��G INSPECTION AND MAINTENANCE: qc/ END OF ROW: TURN UP SILT FENCE AT TO ENSURE 1. 2.THE INSPECT AND REPAIR SILT FENCE AT LEAST ONCE EVERY CALENDAR WEEK.. MENT BEEE 1/3 THE HEIGHTOT SILT FENCE. &G A PROPR ATDE TRAPPING OF 3. SEDIMENT SHALL BSHALL D POSWHENIITED TO AN AREA THAIS REMIOVED WILL NOT CONTRIBUTE SEDIMENT SEDIMENT OFF -SITE AND CAN BE PERMANENTLY STABILIZED. i\/\\/ \\ ALSO APPROPRIATE FOR 4. UPON PROJECT COMPLETION, THE SILT FENCE SHALL BE REMOVED AND HAULED OFF -SITE. ANY J HOOKING SILT FENCE ALONG DEPOSITED SEDIMENT SHALL BE PROPERLY GRADED AND SEEDED. ROW TO SLOW WATER BACKFILL TRENCH WITH COMPACTED EARTH ISOMETRIC VIEW HEAVY DUTY PLASTIC TIES (EVENLY SPACED, RESTRICTED TO TOP 8 INCHES OF FABRIC) NOTE: FILTER FABRIC - TYPE S (SENSITVE) FENCE REQUIRES WOVEN WIRE COMPACTED FENCE OR ALTERNATE EARTH BACKING RUNOFF 1.25 LB./LF STEEL POST v N O Co 7 BURY AT LEAST 12 INCHES `V OF FILTER FABRIC TRENCH DETAIL REINFORCED SILT FENCE NTS 3 FT. MINIMUM SPACING 5 FT. MAXIMUM SPACING DOUBLE ROW OF SILT FENCE Seeding Specifications: Permanent seed mixes should be applied at the time of temporary seeding and must be applied prior to the installation of erosion control matting. For erosion control along cut and fill slopes use erosion control matting, flexterra, or hydroseeding. Drill seeding is the preferred seeding technique. If slopes do not allow for safe application of drill seeding than broadcast seed or hydroseed. If hydroseeding apply seed mix with 500 lbs. per/acre of hydro mulch with seed and then apply second coat of hydro mulch at 1,000Ibs. per/acre as a top coat. Permanent seed mixes shall only be applied in the spring or the fall. If the permanent seed mix cannot be applied within 10 days of finish grading or after spring or fall, a temporary cover crop seeding can be applied but all existing vegetation must be removed from the areas to be seeded prior to the application of the permanent seed mixes and the soil must be prepared. Prepare cut and fill slopes so there is good seed to soil contact add 1/8"-1/4" layer of stockpiled topsoil whenever possible. For areas with slopes less than 3:1, cover the seed 1/8"-1/4" deep with topsoil (stockpiled topsoil from the site) by dragging with a spring -tooth harrow or by firmly pressing seed into the soil with a cultipacker or lawn roller. For areas with slopes steeper than 3:1, final tracking should be perpendicular to the slope to retain seeds and moisture. Incorporate topsoil (stockpiled) into the soil in a manner that will leave the soil rough and minimize erosion. Apply erosion control matting, mulch with straw or hydromulch to protect the seed immediately after seeding to keep the seeds from drying out or washing away Add lime and fertilizer only where no topsoil remains or where topsoil cannot be reapplied due to slope. SEED MIXES: "STEEP SLOPES MIX" (ERNMX 310)- FOR ALL SLOPES STEEPER THAN 3:1 "NC MOUNTAIN UPLAND MEADOW MIX" (ERNMX 303)- FOR ALL OTHER DISTURBED CONDITIONS IN PART TO FULL SUN, INCLUDING ROADSIDES, DITCHES, AND SWALES "RIGHT-OF-WAY NATIVE WOODLAND MIX" (ERNMX 132-1) - FOR ALL OTHER DISTURBED CONDITIONS IN PART TO FULL SHADE Seed mixes from Ernst conservation seeds (800) 873-3321 www. Ernstseed.com 10" (TYP. ) NOTES: '� I=III II c ,.,1-1i1- SOIL/SEDIMENT -11 .� =I�I�Ir STOCKPILE AREA ORIGINALGROUNDGROUND SURFACE 1. SILT FENCE TO EXTEND AROUND ENTIRE PERIMETER OF STOCKPILE, OR IF STOCKPILE AREA IS LOCATED ON/NEAR A SLOPE THE SILT FENCE IS TO EXTEND ALONG CONTOURS OF THE DOWN -GRADIENT AREA. 2. IF STOCKPILE IS TO REMAIN FOR MORE THAN 14 DAYS, TEMPORARY STABILIZATION MEASURES MUST BE IMPLEMENTED. 3. SILT FENCE SHALL BE MAINTAINED UNTIL STOCKPILE AREA HAS EITHER BEEN REMOVED OR PERMANENTLY STABILIZED. PLAN SYMBOL 4. THE KEY TO FUNCTIONAL TEMPORARY STOCKPILE AREAS IS WEEKLY INSPECTIONS, ROUTINE MAINTENANCE, AND REGULAR SEDIMENT REMOVAL (SEE INSPECTION AND MAINTENANCE NOTES FROM SILT FENCE DETAIL). SOIL/DIRT STOCKPILE NTS SILT FENCE (SEE DETAIL) EQUINOX 37 Haywood St. Suite 100 Asheville, NC 28801 t 828.253.6856 f 828.253.8256 SEAL `O Ilk �O DESIGN BY: DRAWN BY: CHECKED BY: w a 0 z 0 U0 w UJI z LU U N � J O v 0 = o U cB O — < O O U 4 2 Copyright© 2022, Equinox Environmental Consultation & Design, Inc. PHASE DATE December 7, 2022 DRAWING SCALE AS SHOWN NOTE: If this drawing is not 2406" it has been revised from its original size and the scales noted on drawings/details are no longer applicable. DRAWING NAME EROSION CONTROL D ETAI LS L293