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Home My WebLink About20071760 Ver 1_Site Plan_20071017 i o i %i ~ / i ~i i o ~ i N / / / i A \ / << ~1 ~ 'i i~i~ i iii ~ / ~ - i ii~iii ~ S~C `36 Cpp \ J q ~N~ p~ - i ~ - - 9,33 - c ~ \ m \ ~ - ~'r~n~UG ~ _ C TOA G q Bq B~q 9,~¢ RE 05 ~ oj• ~ ~ ~ ~ \ ~ ~ Z I I ~ i ~ ~ ~ i~ ) ~ ~ ~ ~ ~ ~ ~ \ ~ G~ ~ ~ e - FXiSrN ~ JN~ ovT ¢ ~ a / TO/~ \ ~ 9s •o >p3s9 ~ iNV \ ,5g. '~o " \ ~ •o ~ i ~~OSo 0 x i ~ ~ ~ . - t ~ ~ / ~ i 1'`~. I'~ _1 i N d i i ~•"``1. o 0 ~,,,.,,.,~'.r~ ~1+" / ~ ~-r--'""""~ H .r"""~ / 0 t ~ aar ~ ~ s~ ~ J :uaaas•: a r ~ ~3 dV s/''~^y ~...i r ~n ~ ~ c~.y ~ Crowley, Crisp & Associates, Inc. - JAW Professional Engineers Job No. 07019 Existin9hapel Conditions Dm No. Wake Church ~ 00000 qmv 1906 South Main Street, Suite 122 CROWLEY, CMSP Wake Forest, North Carolina 27587 Ci Jackson Builders Amciatc, Im 919-562-8860 fax: 919-562-8872 Raleigh, Wake County, North Carolina b&Y 5 t=OP803tONAL ENGINEERS www,crowley-Cr1SP.COI11 NO. DATE REVISION D VISION DESCRfPAON BY m ~ i OPERATION AND MAINT ~ BYPASS SWALE OPERATION: ~TENANCE PLAN: NOTES: 0 1. THE DETENTION POND MUST BE STABILIZED WI DAYS OF CONSTRUCTION. STABILIZATION MAY BE D WITHIN 14 ~ Q. Y BE IN THE FORM OF FINAL VEGETATION PLANTINGS OR A A o THE POND WILL BE INSPECTED ANNUALLY TO ' TO VERIFY IF THE FACILITY IS OPERATING AS DESIGNED TEMPORARY MEANS UNTIL VEGETATION BECOMES MES ~ WW° ESTABLISHED. 5 PASS STRUCTURE W AND TO SCHEDULE ANY REQUIRED MAINTENAN 36~~4~ CPP ANNUAL INSPECTION: ENANCE. THE FOLLOWING ITEMS WILL BE INCLUDED IN THE p, ALL CONSTRUCTION, MONITORING, AND MAINTE GUIDELINES IN THE NCDENR STORMWATER BMP M MUST BE ADHERED TO. a ,INTENANCE IP MANUAL S SH T C3 FOR DET/~1LS INV IN 92.00 W . 13.5 LF ~ 9 93% -EMBANKMENT SETTLING, WOODY GROWTH, VTH, ANIMAL BURROWING, AND SIGNS OF PIPING Q -SIGNS OF SEEPAGE OR PIPING ON THE D0 IE DOWNSTREAM FACE OF THE EMBANKMENT d JUNCyION BOX MODIFIED OUTLET STRU R -CONDITION OF GRASS COVER ON THE EMB -RIPRAP DISPLACEMENT OR FAILURE EMBANKMENT, BASIN FLOOR, AND PERIMETER OF BASIN z INV IN 93.34 36~~D CPP INV 94.06 -PRINCIPAL OR EMERGENCY SPILLWAY TO C 2-11"~ ORIFICES INV 94 0 -ou~7 coNTRO~s TO CONFIRM THAT THEY MEET DESIGN PLANS FOR OPERATION EROSION CONTROL NOT 1. INSTALL EROSION CONTROL DEVICES AS SHOWf ALL NCDENR AND CIN OF RALEIGH STANDARDS. IN~ OUT 93.34 / TES: W W ,'GRATE INV 99.00 -SAGGING OF THE OUTER BARREL SHOWN PER 95 LF LEVEL SPf~EADER #1 ~ , -OUTLET CHANNEL CONDITIONS / / EXISTfWG 36n CPP -SAFETY FEATURES RDS* A 665 SF FORE~Y (7' X 95') ~ IT SEE SHEET~3 FOR DETAILS U / 5~ LF , -ACCESS FOR MAINTENANCE EQUIPMENT IN~I~ 933 -CLOGGING OF THE OUTLOW PIPE i i -SEDIMENT ACCUMULATION ~ / o00 o ° o ' ,EXf~TING Qf17i~T S7RUC E V 0 >o~oooo lNV,9(/r36" CPP.lA~V 94. ' F~1 °o o / / ooo°o°~ 12" 11~'EMI~AT B~A 94.03 MAINTENANCE: -,°o°o°o TQf' GRATE l~O.aS' V L ~~~ooooo` ~ ~ 1. MAINTAIN TURFGRASS ON THE TOPS OF B ° oooc, 2. REMOVE ANY SEEDLINGS OR PLANTINGS O ~ooo°o _ 3. MOW TWICE ANNUALLY, KEEPING GRASS N 00000 4. PLUG ROOT VOIDS AND ANIMAL BURROWS ~F BERMS AND ON THE EXTERIOR SLOPES OF EMBANKMENTS. t`~ N N 3S ON DAMS, EMBANKMENTS, AND SIDE SLOPES tn 00 SS NO SHORTER THAN 6 INCHES. OWS WITH MATERIAL SIMILAR TO SURROUNDING MATERIAL. IF o~ ,oooo _ _ _ _ PLUGGING THE BURROWS DOES NOT DISC oo° oc SHOULD BE TAKEN TO REMOVE THE ANIM o°o` ATTRACTIVE TO THEM. DISCOURAGE ANIMALS FROM RETURNING, FURTHER MEASURES ANIMAL POPULATION OR MAKE AREAS OF THE FACILITY LESS epm ~°o~ - - 5. CLEAN TRASH AND DEBRIS FROM BASIN A i 6. REMOVE SEDIMENT, MUD, AND SAND EVER 20 PERCENT OF ITS CAPACITY. ONCE M PLANTING/SEEDING: TIN AT LEAST TWICE ANNUALLY. ~z°o ~ _ - i C~ 00 EVERY 2 TO 10 YEARS OR WHEN THE BASIN HAS LOST APPROXIMATELY 0 :E MATERIALS ARE REMOVED, STABILIZE DISTURBED AREAS IMMEDIATELY. ~ N ~ - 1. SEED ACCORDING TO THE SCHEDULE SHO ``'"o,~ SHOWN. ~ . `~n(I i R~ pO mob 4k z ~ ~ =oo.o~ SS`B R ~ ,~ooooo00 \ ~ 00000 SEEDING SCHEDI DI M EN T PERMANENT SEEDING - :DUCE \ SEDIMEN SHOULDERS. SIDE DITCHES. SLOPES { AM X. 3:11 9 FOREBA REBAY DATE TYPE PLANTING RATE Seedbed Preparation: \ / ~ ~ `~o 1. Chisel compacted areas and spread topsoil three ~ ~ ~ EXISTING 94 0 AUG. 15- NOV. 1 TALL FESCUE NOV. 1 - MAR.1 TALL FESCUE 200 CBS./ACRE inches deep over adverse soil conditions. if available. 200 des./ACRE 2. Rip the entire area to six inches deep. AND ABRUZZI RYE *(NURSE CROP) MAR. 1 -APR. 15 TALL FESCUE 25 CBS./ACRE 3. Remove all loose rock, roots. and other 200 CBS./ACRE ~ ~ ~ 1NV OUT 4. APR. 15- JUN. 30 HULLED COMMON BERMUDAGRASS 15 CBS./ACRE obstructions leaving surface reasonably smooth and JUNE 1 - SEPT. 1 TALL FESCUE uniform. ~9 4. Apply agricultural lime, fertilizer an dsuperphosphate uniformly and mix with soil (see mixture). a~ n ¢ ~ ~ ~ ~ ~ 9s~ G S~ PERMANENT SEEDING - SLOPES f 3:1 TO~j~ 5. Continue tillage until swell-pulverized firm ~_11NGLi reasonably uniform seedbed is prepared four to six AUG. 15-NOV.1 TALL FEStx1E AND SERICEA LESPEDEZA (UNHULLED~ UN NOV. 1-MAR.1 TALL FESaIE 200 LBS/ACRE inches deep. 6YPASS SWALE: .ED. UNSCARIFlED) 200TL~BS/A RSfACRE 6. Seed on a freshly prepared seedbed and cover seed I ~ 'OO•o I E will L , ~ _ AND CERICEA LESPEDEZA (UNHULLED. UI AND ABRUZZI RYE lED. UNSCARIFIED) 60 TO 70 LBS/ACRE lightly with seeding equipment or cultipack after 25 LBS/ACRE seeding. ' i__ MAR. 1-JUNE 1 TALL FESCUE 200 CBS/ACRE 7. Mulch immediately after seeding and anchor mulch. SWALE LENGTH = 77 FT 7 FT ~ AND SERICEA LESPEDEZA (SCARIFlED) MAR. 15-JUNE 30 WEEPING LOVEGRASS Eo) 0 LBS/ACREACRE g, Inspect all seeded areas and make necessary repairs UPPER INV = 92.00 AND SCRICEA LESPEDEZA (SCARIFlED) iEp) 40 TO 50 LBS/ACRE or reseedings within the planting season, if possible. LOWER INV = 90.00 MAR. 15-JUNE 30 HULLED COMMON BERMU~AGRASS AND SERICEA I.ESPEDEZA (SCARIFlED) 15 LBS/ACRE if stand should be over 60R damaged. re-establish ED) 40 TO 50 LBS/ACRE following the original lime fertilizer and seeding rates. SIDE SLOPES = 3:1 9. Consult EFS Environmental Engineers on maintenance BOTTOM WIDTH = 4 FT TEMPORARY SEEDING tratement and fertilization after permanent cover is FT ~ TOP 103.59 / ~~"'os, o ~ lNV .59' / ~ 1QS ~1NE 1-SEPT. 1 TALL FESCUE 200 ~.s~ACRE established. SWALE DEPTH = 1.0 FT FT C a AND BROWNTOP MILLET •(NURSE CROP) OR SORGHUM-SUDAN HYBRIDS '?{NURSE C AUG. 15-APR. 18 RYE (GRAIN) iuRSE CROP) 30 LBS/ACRE *Apply. Agricultural Limestone- 2 tons/acre LINING =GRASS WITH ST Fertilizer - 10-10-10 Analysis O 900 Ibs/acre NET TEMPORAR 120 I.BS/ACRE Superphosphate - 500 ibs/acre of 20~ analysis H STRAW WITH L O DRARY LINING Mulch - 2 Tons + 80 Bales Straw acre 01 L. Co 0 CONSULT CONSERVATION ENGINEER OR SOIL CONSERVATION SER ADDITI~IAL INFORMATION CONCERNING 0?HER ALTERNATIVES FOR VE OF DENUDED AREAS. THE ABOVE VEGETATION RATES ARE THOSE W UNDER LOCAL CONDITIONS; OTHER SEEDING RATE COMBINATIONS AR •NURSE CROP PORARY -RESEED ACCORDING TO OPTIMUM SEAS PERMANENT GETATION. DO NOT ALLOW 'TEMPORARY COVER TO GR IN HEIGHT BEFORE MOWING. OTHERWISE FESCUE MAY BE SHADED OU ~ sEOaa~r s~ow?cE w~ ~.a' om~ ION SERVICE FOR ~OR VEGETATION Anchor -Use liquid asphalt ~ 400 gals/acre IOSE WHICH DO WELL or emulsified aspholt O 300 gals/acre ONS ARE POSSIBLE. ' cot ~7t o"o z ~ SEASON FOR DESI~tED TO GROW OVER 12 i )ED OUT. 0 ~-m S LOo oc 4e' a~. c co 'O ~ ~ ~ ws~ stRUCnx+~ ~r 4) w?ac ~Of TOP OF DAA1 ELEY 101.00 1~ FRAME AND GRAZE ELEV YO.00 Ot SPILLWAY. F1EV 100.00 0 0 cd ~ ~ uNm wn~ t+~w ROCK PIPE INLET PR ~~r a .ET PROTECTION M~e 0:~: / i os am (d a%. ~ ~3~ E~LE'V~91~0 / 241E WSSIPAIER • NCDOT /6 OR ~7 +~a-I-3-I ~iR 2~ss O o~ 4) r ~ ooooo~ EX RIPRAP M~ASIIED S1C1~ !~7 ~ ~p INSTNJ. ~NC110N BOI( AND CPP TO B1iPASS SiRUC'RJRE IE ~~Lf~ p,,,_ ~E SMEET C3 FOR LEVEL SPNEAOER DETAILS / / STONE: 13' DIA. CLASS B CLASS B OR 1 CLA$$ B R~RAP ~ ~~t ~ 1.Z~ 22' THICK PROP RIPRAP / SEDIMENT FOREBAY \ l~ CTRAPHTC' ~COT.F nr-rrw ~-rinw ~ nnw ~n nn O A t '"Ou aft oft dmdm 000 UL I LIN I lulu rU IN u ~K o io ao a q KZ:)tmU I IUN ANU UU I LL I UE I AIL -SF- SILT FENCE 20 o LV NOT TO SCALE . . - ° - CLEARING LIMITS s ~ Z FEEP IN i inch - 20 n t m Level Spreader Type 1(ditch sect Level Dim. E Dim. D Dim. C Prim Dim. section too en throat basin Size Schedule Level Co Dim. B Dim. A Outlet Ener Dissi ator S reader 2 Re Weir Weir 3*~*** No.* Com uted Len h Re wired Foreba Size 0 S reader 10** 1*** Bog Boz Boz Dischar e Pi 2**** We No. * cfs cfs Width ft Len th ft Hei ht ft Size inches cfs Hei ht Re wired Com . Level S reader 0.2 % of Im .Area 4 cfs ft/ :ei ht ft Len h ft cfs Len h ft Width ft Stone Thickness in 1 2.15 4 2.20 4 21.33 10 4 6" class B 22" ft/cfs Len b** Len th ft Area s 44 94.6 95 665 0 ~O s ckj: 21.30 2.95 4 4 4 10 2.95 2.20 20 2.78 4 4 4 8 2.71 1.75 1.75 4 17.29 10 4 3" class A 9" 15 2.08 4 4 4 8 2.1 S 1.00 1.00 4 12.85 10 4 3" class A 9" 10 1.39 4 4 4 6 1.5 2.00 2.00 4 8.5 6 4 3" class A 9" 0 5 4.69 4 4 4 4 0.71 2.50 d 2.50 4 4.29 6 4 3" class A 9" 2 * See plans for Level Spreader ID number 10 = 7.2"/hr storm intensi 1 =1 "/hr storm intensi * See laps for Level S reader * *Length = Q 1 x Com osite le F ;ader ID number ite len wired 2 =Maximum flow from rima dischar e orifice 3 =Maximum flow from second dischar e weir d • v ~ EXTEND TO ~ DAYLIGHT ~ ~ a~ I , 4" PERFORATED HDPE , ~ UNDER DRAIN. PIPE TO v OUTLET RIP RAP ENERGY BE SUPPLIED WITH FILTER SOCK W VI 00 DISSIPATOR, SEE SCHEDULE C4 1 LEVEL SPREADER LENGTH LEVEL SPREADER O r„4 ON U LEVEL SPREADER INLET CHANNEL 4" CONCRETE LIP v LEVEL SPREADER CONCRETE LIP LINE WITH NON-WOVEN FILTER FABRIC CA ~ cH AND CLASS A (3"DIA.) STONE 6" THICK 05 o Z 3' DISCHARGE STRIP 3" LAYER OF #57 STONE 00 PNO °O o ~ OVER NON WOVEN FILTER FABRIC ,O o W ~ U .j ~ ~ ~ N V FLOW BYPASS BASIN LEVEL SPREADER R t •r _ JLA f~/11A1C1 G~ /.7~ C~ n n aw 9 p CONCRETE FOOTING ~:.~a,,: ~-r vvrr~w ~r v v. v. SING ~.w COO A 8" X 16" CONCRETE Q1 DISCHARGE 4" PERFORATED HDPE FOOTING ORIFICE UNDER DRAIN. PIPE TO BE SUPPLIED WITH FILTER SOCK e • LEVEL SPREADE LINE WITH NON- AND CLASS A ( INLET RIP RAP ENERGY ~ ~ ~ ° LEADER FOREBAY LEVEL SPREADER INLET CHANNEL r NON-WOVEN FILTER FABRIC LINE WITH NON-WOVEN FILTER FABRIC S A (3"DIA.) STONE 6" THICK AND CLASS A (3"DIA.) STONE, 6" THICK a LEVEL SPREADER SECTION DISSIPATOR, 4'W X 6'L 3" DIA. CLASS A RIPRAP NO SCALE fit 9" THICK I General Diffuse Flow Notes be a ite for the life . I N' PLAN vI E W 1. Diffitse flow shall be maintained into any and all riparian features outside or offsite for of the project. • I I 2. The developer, Home Owners Association, or other legal entity shall maintain all diffus N 0 SCALE features in perpetuity and shall make all necessary reports, submittals, and repairs as shoul required by the NCDENR DWQ. l diffuse flow should be ~ ~ ~ 3. Diffuse flow measures shall be constructed to function as intended. Level spreaders sh level. Diffuse flow measures shall provide diffuse flow. lens shall be /l//t!tlltl1~t~~ ~ 4. Following construction of all diffuse flow measures, the engineer shall make a cite insp to verify construction of these devices. As-built survey data will be provided by the devel and a record drawing of construction shall be submitted to NCDENR DWQ documenting to inspection developer, ,nting compliance with all approved plans. co 5. All diffuse flow measures shall be enclosed in a 20' maintenance easement. • cd 6. All requirements of the NCDENT-DWQ sha11 be complied with for any future mainten construction, or alteration of any diffuse flow measures. Any permits required shall be obt by the developer, Home Owners Associationm, or other legal entity having maintenance aintenance, co C: be obtained 0 once L responsibility for these measures. Lm COO Q10 DISCHARGE f- mc WEIR = z 0 o w c~ LEVEL SPREADER CONCRETE LIP mr F ~ = LEVEL SPREADER LENGTH Q1 DISCHARGE ORIFICE 1 DISCHARGE . w _ f ~ 0 ~ ~ 6" CONCRETE t y V CO Z SIDEWALLS ~ , FLOW BYPASS B Q s • . (PASS BASIN ~ cu m ~ ''w 4" PERFORATED HDPE UNDER DRAIN. PIPE TO .C L, C~ BE SUPPLIED WITH FILTER SOCK cd ~r : . ~ A 6" PRECAST SLAB _ 0 p 4 LF OF DISCH (SEE S MIN. SL BASIN SECTION )ISCHARGE PIPE 'SEE SCHEDULE) LEVEL SPREADER FOREBAY LEVEL SPREAQER INLET CHANNE IIN. SLOPE 0.5~ LINE WITH NON-WOVEN FILTER FABRIC LINE WITH NON-WOVEN FILTER F AND CLASS A (3"DIA.) STONE, 6" THICK AND' CLASS A (3"DIA.) STONE, 6 > co 1ANNEL LEVEL SPREADER (D a: _TER FABRIC CONCRETE FOOTING ONE, 6" THICK SECTION VIEW NO SCALE NO SCALE CIO Z Z