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Home My WebLink About20030319 Ver 1_MAPS_20030318 CUL #3 ~ I CUL #10 _ _ CUL # _ ~ ~ / CH #10 J / RACK DAM#1 ~ i \ \ #4 CH #4 I II C L #7 \ CH #12 CH #11 ~ ~ CH #9 CUL #5 ~ ~ ~ CUL #5 CH #5 ! I CH #7 ~V ~ TSP #7 `CH #18 ~Y. ~ _ I T5P #~2 ~ I # I TSP 3 ` ~ ~ ~ ~ _ I f I _ ~ / ~ TSP #4 _ I I _ I _ I 1 ~ I _ ~ I _ _ I ~ ~ I _ I / ~ / ~ 3 ~ I I _ i_ ~ i I - ~ I 1 ~ - - - ~ ~ _ I - i - - ~ i I ~ ~ j - - CUL X14 I I - - / I CUL I#15 ~ TSP 9 _ ~ _ ( #22 CH 21 ~ _ _ 1 / CH #23 \ CH #24 j ~ ~ ~ ~ ~ _I _ y ~ ~7+ / CH #20 ~ W R9CK DAM #2 / ~ j ~ ~ / ~ ~ / ~ ~OCK DAM #3 / / ~ ~ Q ~ ~ CUL #y3 / CUL #12 TSP # CUL #17 ~ I / / \ / I ~ / ~ ~ ~ I _ ~ - / / \ / r / / ~ / _ _ / ~ \ / _ Ise / / ~ ~ / _ _ / \ _ _ _ / ~ ~~s ~o~~ ~ / _ / ~ \s~-~ ~o / ~ ~ j ~ ~F \ _ ad~H~~no ~ ~ LEGEND CF SEDIMENT FENCE _ ggy DESCRIPTION BY DATE FLOW ARROW \ CLEARING LIMITS R GRAVEL CONSTRUCTION ENTRANCE ,roB xa~: ISLAND CREEK SUBDIVISION scnr~.: i" = ioo' nxamv ear: sca Odom neTrr.~ n2-ta-oa caac~D BY: a1fM ME &Associates LOCATION: CHIMNEY ROCK, N.C. PROJECT MGR: AWM Engineering, Inc. SEDIMENT TRAP 152 EAST MAIN STREET FOREST CITY, N.C. 28043 DESCRIPTION: GRADING & EROSION 828-2247-4495 _ JOB NUMBER: SHEET: CONTROL PLAN 03008 1 OF 4 ~r q 0 `CH #15 _ _ _ o o CUL #16 cs _ \ GRAVEL I _ _ _ - I CONSTRUCTION \ \ ENTRANCE CUL #1 CH #1 ' CH #14 CUL ~2 I / \ \ \ CH #2 / / ` ~ CH #13 / _ \ ~ ` TSP #1 CH #3 ~ ` CH #17 - V,r ` / / \ ~ cup / ' I ~ cup #~o \ ~ % ~ ~ CH #10 / ROCK DAM#1 ' ~ / ~ CU #4 ~H #4 ~ ~ CH #12 / L CH #11 ~ ~ CH #9 \ CUL #S \ \ CH #5 ~i ~ CH #6 _~j I T,_P ~ CH #18 # \ ~ I # CH #8 0 I / / I TSP ~2 / ~ I _ I TSP #3 ~ ~ _ i 1 ~ ~ ~ ~ ~ TSP 4~ ~ j ~ - / I _ ~ ~ ~ _ ~ I I ~ I I f _ ~ ~ ~ ~ ~ ~ - ~ ~ ~ ~ ~ ~ _ - _ j-- ~ / / L- ~ i ~ ~ ~ I I - _ - ~---J _ - CUL #14 _ _ I ~ I _ _ I CUL x#15 ~ TSP 9 ~ CUL #11 / • ~l 8 l I CHI#22 CH 21 i _ I _ - - / - _ - TSP X10 I ~ ~ ~ ~ CH #23 _I ~ , I_ CH X24 ~ ~ ~ ~ ~ _ i w - RQCK DAM #2 / ~ ~E ND/ \ RIOCK DAM #3 / / ~ CH #19 ~ I / CUL #12 TSP # ~ DES\ ox ~r DATE F S I ENT FENCE ~ CUL #~3 nRROE~CUL #17 ~ / / _ ~ I~ I c u~tiT~ ` _ / i~ ~ / / _ 1 _ j ~ GRAVEL CONSTRU 0 NTRANCE ~ \ ~ / ~ ' I ~ SCALS: 1" = 100' DRA1fN BY: SCH . ~dOm roH xne~: ISLAND CREEK SUBDIVISION DATE: 02-18-03 CHECKED BY: ARM ~ - I~ / VAT &Associates Engineering, Inc. LOCATION: CHIMNEY ROCK, N.C. PROJECT MGR: AIIM SEDIMENT TRAP 152 EAST MAIN STREET FOREST CITY, N.C. 28043 DESCRIPTION: GRADING & EROSION JOB NUMBER: SHEET: 828 247-4495 CONTROL PLAN 03008 2 OF 4 i L is t'H _ ~N12ib'~8 3~N~2~3~32~ ~ ~ ~ ~ ~ ~ ~4j 1 nos \ ~ flFi ~ CSI / \ 1, T_F ~ ~ lid i ~ ~ ~ I ..H u,4 ~ III / _ _ \ / / ~ \ ~ i ~R ' a CH #10 CUL ~ \ ~ , C,~ ~ \ CU 4 i` GH pi' \ \ C'H #12 / L CH ~ ~ ~ ~ ^H CUL #5 # CH #5 I / y \ ~ i f ` CH #8 0~ / I TSP #3 I TSP #4~ I I i _ 1_ I I I ~ , i _ ~ ~ 1 ~ f- i ~ ~ j ~ ~ I h I i CUL #14- , I I ~UL ~#15 f TP 9 ';III kl I C~#22 CH 21 ~ ~ n~c ~ T Y10 ~r - y. ,Fi CH #2~~ ~x ~~[H ~ C H #2 4 ~ ~ ~ ~ DESCRIPTION BY DATE ~ ~ _ , \ / JoB xae~: ISLAND CREEK SUBDIVISION scats: i" =too' nxnnx ear: sca r~1~ (l~nm v SEDIMENT TRAP V&-i V 111 DATE: 02-18-03 CHECKED BY: AWM &Associates EriI,rinecrinT Inc. LOCATION: CHIMNEY ROCK, N.C. „ 152 EAST MAIN STREET PROJECT MGR: AI?M FOREST CITY, N.C. 28043 DESCRIPTION: GRADING & EROSION 828-247-4445 JOB NUMBER: SHEET: CONTROL PLAN 03008 3 OF 4 cony rip-rap up sides of ~sdlway Y r OMRSION RIDGE ~ ~ ~ _ top of berm f}5 washed stone I 2 op eeva ion o s ormwater 1' freeboard min'.. ` r ~ - - - ~ I _ _ _ EXISTING PAVED 6 - _ I / RaownY_ j 2' I ~a~ 2, -I1' ~ SECTION A - A ~ ~ - - - I FLTER RECEMNG - IONCJTUDINAL PNCHOR TRENCH TERMINAL SLOPE ANO CHANNEL 1MTERVA EIEYAnoN - ' l dso = 9° - ~ ri -ra ANCHOR TRENCH ' TkHCKNESS ('d') _ ,.5 x N41( ROCK ONMEIER (6' MIN.) - CHANNEL 0 - ~ _ P P _ ~ maximum level of J Nntes On aonStrUCtlon of Rock Dam ~ M a ~ * SECTION 'rt+AtxlNC' wnH MACFRNERr ~ _ s s AND GOWN THE SLOPE PRWIDES sediment collected ofyrrF boopttom layer 1 Side slopes of dam should be 2:1 - ~ deal basin when tnis u stream and 3:1 downstream. - eve is reached P k ~ SUPPLY WATER TO WASH RAINFALL ANDTREDUCE RUNO~ _ _ Ir ` STAI(E AT S'-5' WHEELS IF NECESSARY. J _ SECTION THROUGH BA5IN AND FILTER Ruck abutments should extend to eF 'fir INfERYP15. - Z' Lo carry rip-rap ap and elevation at least 2' above spillway. NG sides of spiuway 3 Abutments should be 2' thick with 21 ~ r / ~q! TRACKING r r .Q 4 - dso = 9" side slopes and should extend down face 1 p I 1 L - - - d M1 PLOY - / - ilAl! r : - _ "p-fop ~ of dam to the toe, at least i' higher than 1' freeboard mi rest of dam. r C I ROCK d50 3. Extend rock apron (1.5' thick) downstream ~ 1 3 AIIN. ~ r r e to a distance A A 2•-3' COURSE ,D, SOS SMALL BE (ANGER 4.0 x 'D' i' q AGGREGATE 12 TI{W 6' (NN.) Dl4 MIN. toe of dam on ~e a ad {f5 washed stone 9 2:1 0 E equal to dam heighth. CHECK SLOT AT 25' INTERVALS. ~ MIN. 6' THICK MIN d 0. I x - ~ 50 FT 6' MIN J ~ 4. Rock should be well railed, hard, erosion dam width g r ISOMETRIC VIEW ~ _ ~ - _ _ - z ~ iN~ SECTION THROUGH BERM AND FILTER resistant stone with a minimum d50 size of 9". ~ 5. Cover entire foundation with filter fabric. 0 ~ DIVERSION RIDGE o ~ ~ l - ~ ~ 6. Cover upstream face with NCDOT #57 or ~5 P I W PLAN 50' MIN. 1 ~ e' washed skone. m t ~ 7 Clear the areas under the embankment and ~ P[AN GROOVES MLL CATCH e"%n, ~ t strip of roots and objectionable material. i i ear 72' 6• NOTES SEW FERIIUZER, MULCH, I""'^.. NOTES: 'La' -LENGTH OF APRON, aSfANCE 'La' SHN.L BE OF SUFFlGENf LENGTH RAINFALL AND DECREASE TO WSSWATE ENERGY. , TILE EHIRANCE SHALL Ff LWMNNED RJ A RlNlOFF. i , pif. ~ . e0r ~ x ~ ~ , ro- 6•~ CONORgN THAT WILL PREVENT TRACKING OR FLOWING OF SEDINENi ONTO PU&JC RNYIIS- 2. APRON SWW. RE SET AT A ZERO ORADE AND ALIGNED 5rtUIC-Hf. bey X Mj ~ ~ ~ / INITIAL CHANNEL ANCHOR TRENCH INIERMfTTENT CHECK SLOT DF-wpr. THIS NAY REWAEE roP a:ESSe+G, a. FILTER MATEM4 sHML BE FLTER FneRlc oR s' 7FNGK (MN.) GRADED GRAVEL REPAFt AND/OR ClFN10Ui OF ANY MEASURES DYER. _ USED TO TRAP SEDIMENT. ~ ~ - f ~ " ~ I I 2. WHEN NECESSARY, WNEDS SHALL BE CLEWED ~ TEMPORARY " - CONTOUR FURROI?S NorES CHECK SLOTS TD 8E CONSTRUCTED PER 1~ n~ 3WHEN WAwSItING s`a a°J~~o~, it ~L~BE-D~OYf+E GRAVEL ~ OUTLET I SURFAC] dso = 9 TEMPORARY rip-rap SEDIMENT SURFACE MANUFPCNRERS SPECIFlGTHINS. 1?dBiLLC CHINNSL ON AN AREA STABaZED WRH CRUSHED ST01Q THAT DRAINS INTO AN APPROVED sEWMEHr TRAP CONSTRUCTION PROTECTION ROUGHEN: 2. STPHRIG OR SfPPUNG UYOUT ROUGHENING PERSFECTIVE ylElf TRAP MANUFACNRERS SPEGFlCATNkl6. OR SEDIMIENT BASIN. ENTRANCE EXIT ~ - ATI NS CONSTRUCTION SPECIFICATIONS WEIR 0 CONSTRUCTION $PEgFlCAT10NS CONSTRUCTION SPECIFICATIONS CONSTRUCTION SPECIFICATIONS CONSTRUCTION SPECIFICATIONS 1. Clear, grub, and strip area of olf vegetation and root material. Remove all objectionable material. a e and 6° wide 1. Clear the entrance and exit area of all vegetation, 1. Ensure subgrade for the filter and riprap is at zero FILL SLOPES 1. Dig initial anchor trench 12 de p grade. Compact any fill required in the subgrode to 2. Ensure fill material is free of objectionable material. o exceed 6 inches and ~ across the channel at lower end. roots, and other objectionoble material and properly the densit of the surrounding undisturbed material. 1. Place fill slopes in lifts not to exceed 6 inche Place fill in 6" lifts and machine compact. ~ compacted. 2. Excavate check slots, 6"x6" across channel grade it. y make sure each lift is properly compacted. Low areas in the subgrade on undisturbed soil may at 25' intervols alon channel. 2. Place the gravel to the specific grade and also be filled b• increasin ri ra thickness. 2. Ensure that the face of the slope consists o1 g dimensions shown on the plans, and smooth it. g p p uncompacted fill 4 to 6 inches deep. 3. Protect connection between riprop and soil by using slope consists of loose, deep. filter fabric. Extend fabric across spillway foundation and i 3. Cut longitudinal channel anchor slots 4"x4" 2. Filter cloth, when used, must meet design require- im lement that can sides to top of dam. P 4. Clear pond area below dam for sediment cleanout. along each side to bury edges of matting. 3. Provide drainage to carry water to the sediment menu and be protected from punching or tearing. 3. Groove using ony appropriate implement that 4. Be innin at downstream end in center, lace tlaP• be safely operated on the slope. Do not make g g P All connecting joints should overlap at least 1'. less than 3 inches deep nor than 15 inches apa Do not make grooves • h rt. 5. All cut and fill slopes should be 2:1 or flatter. fn 15 inc es apa the initial end of first roll in trench and secure 3. Riprap may be field stone or rough quarry stone. 4. Do not Mode or scrape the final slope face. 6. Ensure stave section has min. bottom width of 3' with ~ ~ Final slope face. 1`` max side slopes of 2:1. _ - - at 1' intervals. It should be hord, angular, highly weather-resistant 5. Position adjacent rolls in trench w/3" overlap. and well graded. CUT SLOPES AND UNGRADED AREAS THAT HAVE BEE THAT HAVE BEEN 7. Ensure weir is level and constructed to grade. 6. Secure these initial ends of mats at 1' intervols, 4. Construct the apron on zero grade with no over- 8. Material used in stone section should be well-graded backfill and compoct soil. fall at the end. Make the top of the riprap at the CLEARED AND GRUBBED Unroll center strip of motting upstream. Stop downstream end level with the receiving orea or slightly 1. Roughen cut areas to shallow grooves by Wort mixture of stone with d50 size of 9° and max size of 14". i grooves by normal 9. Ensure spillway extends past toe of embankment until at next check slot or terminal anchor trench. below it. tilling, disking, harrowing, or use of a cultipacker of a cultipacker- stable conditions are reached. Keep edges of stone outlet UNDISTURBED any such tillage flush with surrounding ground and shape center to confine RIPRAP EP.RTH 8. Unroll adjacent mats upstream in similar 5. Ensure that the apron is properly aligned with the seeder. Make the final pass of any such tillage fashion, mointaining 3" overlap. receiving stream and preferably straight throughout implement on the contour. outlet stream. STONE 9. Fold and secure all rolls of matting snugly its length. If a curve is needed, place it in the upper 2. Make grooves formed by such implements clo i implements close 10. Direct emergency bypass to natural, stable areas. less than 1 inch deep. 11. Stabilize embankment and all disturbed areas immed- SECTION into all check slots. Lay mat in bottom of slot end of the apron. together 10 inches) and not less than 1 inch then flow back against itself. Anchor through 6. Immediately after construction, stabilize all disturbed 3. Excessive roughness is undesirable. irable. lately after construction, including embankment, emergency both layers of mat at 1" intervals then backfill areas with vegetation. Immediately seed and mulch roughened areas to Ighened areas to obtain spillway, above the sediment pool and downstream. growth. Periodically check 12. Mark cleanout level in field. and compact soil. Continue rolling all mot widths optimum seed germination and growth. Periodic upstream to next check slot or anchor trench. the seeded slopes for rills and washes. Fill the, washes. Fill these areas slightly above the original grade, reseed ai mulch as soon as possible. grade, reseed and NC DOT #57 OR #5 GRAVEL ~ RIPRAP D50 = 9" I. DAM HEIGHTH DAM . r~ ''~Y • ~ STABILIZED HEIGHTH ' OUTLET EXTRA STRENGTH FlLTER FABRIC NEEDED WffHOUT WIPd: MESH SUPPORT STEEL POST ~rw" TEMPORARY SEEDING SUMMER (May 15 -Aug 15) CROSS ~ ' German millet 40 lb/ac SECTION 8 Gf wx ~ACHC NIIN e~ nnaur NOTE: DO NOT ATTACH FABRIC FALL (Aug 15 -Dec 15) MAINTENANCE PLAN ro Exls~NC CONSTRUC CONSTRUCTION SCHEDULE TREES. Rye (grain) 120 lblac 1. All erosion and sediment control 1 . Obtail 1. Obtain plan approval and other applicable permits. practices will be checked for 2. Hold 2. Hold preconstructian conference. PDNaNG HT• PDHDNG HT. WINTER EARLY SPRING Feb 1 - Ma 15 ~ I ( y ) stability and operation following 3. Build FliERFpgR~ R e rain 120 lblac iQACJiSECU7ELY y (9 ) every runoff-producing rainfall 3, Build temporary gravel construction entrance, 6~E"~r 4. I n s t a. 4. Install sediment fencing andlor temporary berms. Korean lespetleza 50 lb/ac but in no case less than once ~ 5, Insta 5. Install temporary sediment traps. Ensure access to sr~ Lime 2000 lb/ac every week. Any needed repairs - traps ETAIL D traps throughout construction. ~ will be made immediately to 6. Build ,6•MIN.\ ,Y'MIN. 10-10-10 750 lblac maintain all practices as 6. Build and stabilize roads. Ditching should be ` 4•x8' TRENCH ~ a c c o m ~~IOLMPACIED GR"~L straw 4000 lb/ac accomplished as roads are built. designed. 7. Insta: 2. Ensure tem orar sediment trap is 7. Install culverts and outlet protection. p y 8. Insta. sruin~a n~reuA e>.r~u 8. Install temporary vegetation if required. TRENCH WITH NATNE BACNnl1 TRENCH WHH GRAIL cleared once sediment reaches 9. Insta cleanout mark. 10. Remo 9. Install permanent vegetation. 3. All seeded areas will be 11. Estil 10. Remove temporary meast.ires. ,.NSPECTANDREPNRFQaCEAFlEREACFI - - fertilized, reseeded as necessary 11. Estimated time to final stabilization SfORN EVENT AND REMWE 6EDNAENT WHEN PERMANENT SEEDING 3 mo ZE SEDIMENTSFWI~DEPOBIIEO according to specifications in 3 mos. TD AN AREA nUT WLL NOT CONTR~UIE SILT FENCE GRASS-LINED CHANNELS SEDMAENf OFF-SIfE AND CAN BE PERNV,ENiLY BTA~az~ Tall fescue 175-200 lb/ac the vegetative plan to maintain a Kentuck blue toss 20 lb; ac vigorous, dense, vegetative Y 9 CONSTRUCTION SPECIFICATIONS Rye 40 lb/ac Cover. Lime 4000 lblac CONSTRUCTION MATERIAL 1. Use synthetic filter fabric or pervious sheet of 10-10-10 fertilizer 1200 lblae polypropylene, nylon, polyester, or polyethylene yarn, Straw 4000 lb/ac which is certified by the manufacturer or supplier as having a minimum filtering efficiency of 85~, tensile strength of 30 Ib/in (standard) or 50 Ib/in (extra ALL OTHER SURFACES strength) of 20~ elongation, and a slurry flow rate Tall fescue 130 lblac of 0.3 gol/sq ft. Synthetic fabric should contain ultra- violet ray inhibitors and stabilizers to provide min. 6 Kobe lespetleza 10 1blaC months expected usable life of 0-120 deg. F. Rye 40 lb/ae 2. Ensure that posts are 1.33 Ib/ft steel with a minimum length of 4 feet. Lime 4000 lb/ac 3. Use min. 14 gauge wire fence with max mesh 10-10-10 fertilizer 1000 lbJac spacing of 6". straw 4000 lblac CONSTRUCTION 1. Ensure height of fence does not exceed 18" above ground surface. 2. Construct fabric from continuous roll cut to length of barrier to avoid joints. When joints are necessary, securely fasten the filter cloth only at a support post with overlap to the next post. 3. Support standard strength fabric with wire mesh REV DESCRIPTION BY DATE fastened securely to upslope side of posts using heavy duty wire staples at least 1" long. Extend wire mesh to bottom of trench. SCALE: 1~ = 200' DRARN BY: SCH n JOB NAME: ISLAND CREEK SUBDIVISION lJm n.m~. no_~n_n~ nv~+nrrtV~n nv. AWIL 91 E ' LtllL'. VF.-lu-VU VlaL'vaaL'L La. nnara &Associates Enginecring, Inc. LOCATION: CHIMNEY ROCK, N.C. PROJECT MGR: AWM 152 EAST MAIN STREET FOREST CITY, N.C. 28043 DESCRIPTION: GRADING & EROSION 828-247-449-5 JOB NUMBER: SHEET: CONTROL PLAN DETAILS 03008 4 OF 4