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HomeMy WebLinkAbout20071702 Ver 1_Site Plan_20071008 XISTiNG E ~ ~ Tx 0 m 120~:ft~• a , s TOP OF 8AN COMPACTED AND ~ ~,A x # t ~ , f;. { GRASSED 8ERb1 EXISTING ~ E ,r~ ' POND 8 ME, POLYETHYLENE uNER t r . , . e t. q :A ! 1'i, t ~c , t, b~. j f~ ' ~ 4 w f SIDES RIED 24" 2 1 1 $ D ~ ~ n i f•, r ~ ~ 6 y Yh. tai, ~1 i•^ / ~ ~ 1 2' MIN. 5 y C ~M - ~ - - ' 8OT I ~ ~--~..~r` ~ t ~ l~J h~i ~ ? ` ' - . 3 rr I ~iur~ r. ~ , ~ ~ ~ r ~ I ~ ~ r r~` ~U / I ~ ~ I i it j f k ' 1 ~ ~x r;; ~ ~ I ( I j NOT TO SCALE ~4 1 y , / I I ~ I I ' it 4 1 I~ I 1. S' i t . is ,~i; ~~i~ i, ~ ~ ~ i I 1 1 i ~ 1 I i ~,.,~r I r`r'~' ~ ~ r: f i ~1 t ' i I i~ ~ 1 I ~ I I • I •h t .r t yy ii i \ i i 1 ~ ~ , 1 i I I~ I I I I 1` . ~/J/~ ~ i t I~ \ ~ 'yt; ~ I 1 1 ~ ~ i 1 ~ ! h ti` ` ~ I 1 1 I 1 I I c ~ I ! I i 1 ~ ~ { •}~f ~ .l ,S I ? k • • 4 i ~ i ~ 1 I I I I . r I I I I ) f I i 'h1 1 ~ • ` 1 l i ~ ~ 1 I I I I I I I s I I I ! I I 1~ ~ ~ I ~ 1 I 4 • h ? ? ~ i i ~ 1 1 I ~ ? . w i A . F 1 l ) ) 1 I ) ) l r I ! 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I I I 1 1 I 1 r r I I ! ! I ! ~ ! r r I r r ! / I ! r ! I I I I ! ~ I T I r ! t t 1 f I I I r ! i ! ~ ~ ~ ~ ~ + ~ ' ~ . ~ ~ M I ~ • e I { 1 1 1 I I 1 1 1 1 1 OVERFLOW WEIR r I + ~ ! I ! I I r I r I I ! r ! ! I I I ~ r I r I I I I I r r ~ ~ I ~ ~ r ~ I 1 1 ~ 1 1 1 1 ~ ~ ~ 1 , , ~ ~ ~ I ! I ~ I r , r ! p I n , r , , r ~ ~ r I I 1 ~ ~ r ! 1 ! I I ~ I 1 1 ~ ! 1 1 ^ I I i ~ I I ~ ~ ~ ~ r I ~ i t I I 1 ~ 1 ~ ~ I I 1 1 ~ ~ ~ 1 1 1 ~ 1 ! I I r M I I I I r p 1 r ! r I t ! ! ! ~ f r I I 1 r I i f t I ~ ! ! I ! I I / I r I I ! r r ~ 1 • ~ ` ' ~ I ~ ` \ • ~ ~ ! 1 ` ` ~ ~ ~ ~ ~ 1 1 ~ ~ 1 ~ 6" DISCHARGE PIPE 1 1 ! 1 n I ! ~ 1 I r ! ! I I ! I I ! 1 ! ! ~ ~ 1 r f r I 1 r I ! I J 1 1 ! I r r ~ 1 ~ I I • I I I v , ~ 1 ~ ~ ~ ! ~ 1 ~ • 1 1 1 ~ 1 1 ~ x`( 1 ~ . . I 1 ! ~ ~ ! ! 1 ! I r ! r f ~ I f I I l I 1 ! r ! I l 1 ! r r I 1 ~ I ~ ~ 1 • ~ i ` 1 Y ' W/ GATE VALVE r I 1 1 1 I ~ I 1 I I 1 1 r ~ ( 1 ! i I ; 1 1 ~ ~ r 1 r ! ! I I I ~ I 1 ! I I ~ I { ! ! r ~ 1 I I ~ ~ ~ ~ ~ I I ~ ~ ~ i i ~ ! I S 1 1 i 7 ~ 1 1 ~ ,Y 1 1 ~ i ~r r DISCHARGE POI ! r I 1 ~ l I 1 1 ~ i i % / / ~ ~ I I ~ ~ ~ • r ~ ~ ~ ) J • ~ ' ~ 1 1 I 1 1 1 1 1 ~ ~ ~ l ~ / ~ ~ / 1 ..r . 1 1 / ~ / / / / i ~ ,i i % / / / / / I ~ / ~ ~ I I / 1 I ~ ~ J i / ~ I I • I ~ ~ / % ' / ~ i / / 1 / ~ / ~ ~ / I i ~ i I I ~ I ~ / / % ~ i / / , / % / i i / / I % / ~ ' i I ~ !I I i / I i • I ~ ~ ~ I k I I I ( ~ ~ . i \ ~ % i , /I ~ / i' / % / / ~ i ~ / / j ~ ~ ~ 1 I I / I ' i / I I ' \ ~ ~ r % i / / / i ~ / ~ ! i / ~ / ' I ~ ~ I I i ~ ~ I i i i i i I i I ~ ~ ~ I I I I ~ ~ ION PLAN ~ / ~ / / / / / i ~ , / ~ / / / ~ % i f ~ i / ~ f i , ~ ~ I I I I S) / / / ' i % / / / i / i / / ~ % ~ / ~ ~ ! ! ~ 1 I I ~ ~ I i I i~ ' ~ I I I J • ~ ~ ~ y / i ~ ~ I i / i ~ I I I i i ) ~ / J. ~ ~ i / ~ I I ~ / I ~ i~ ~ I r ~ ` , r ~ ' / / ` / / ~ I I I ~ I r 1 1 i / J~ ~ I I / ~ ' 1 1 / i ~ I ~ / 1 I ' r I i I I r ~ ~ I i i ! ~ i ,8~~W IR _ ~ ~ r i I I ~ I ~ r ~ I ~ . i ~ r I I r TO B - - - ' - I r I ~ I ~ woo 4010 f I I r / , { 1 } , ~ 1 1 \ ~ l ~ ~ 1 \ ~ 1 ~ ~ \ 1 1 l ~ ~ ~ 1 ~ ~ t 1 ~ I 4 _ ~ 1 ~ 1 ` ~ 1 1 S ~ . I 1 ~ ~ ~ 1 t ` 1 t _ . I ` 1 _ 1 I 1 I 1 1 ~ I 1 ~ I t 1 , 1 ~ i 'ti ~ I 1 '1 ~ l i ~ ~ 1 1, 1 ' i < ~ 1 t ~ I ,ti 1 i ~ 1 _ pP ~ ~ ~ I ~ ' I ~ 1 ~ 1 I ~ i t , . ~ i ~ \ _ _ ~ ` ~ ! I I I 1 ~ . ~ ' _ _ ~ o,~, I i 1 \ \ \ ~ 1 ~ ~ ~ 1 1 ` ,1 \ 1 \ ` ~ 1 ~ ~ ~ ~ 1 \ . / \ ` \ . . , 10 CONTRACTOR TO INSTALL ALL EROSION CONTOL MEASURES AS SHOWN ON THE PLAN PRIOR TO ti ~ ~ ~ ~ ~ ~ \ ~ ~ l CONSTRUCTION. ~ . \ ~ ~ ~ ~ 02 PROPOSED GRADES AND LAYOUT ARE SHOWN FOR ESTABLISHING GENERAL GRADING ANO ~ \ ~ \ \ \ ~ i \ \ ~ DRAINAGE PATTERNS ONLY. THE CONTRACTOR SHALL ADJUST FlNISH GRADES dt LAYOUT AS REQUIRED TO \ \ \ ~ ~ ~ \ \ ~ ~ ~ \ / ~ O ~ \ \ ~ /~OMMODATE ACTUAL FlELD CONDRIONS AND SUCH TW4T OFF-SITE GRADING WILL NOT ~E REQUIRED. UNSUITABLE MATERIAL SWILL BE REMOVED AS REQUIRED. DRAINAGE \ \ \ ~ \ \ \ \ \ \ \ ~ \ ~ ~ • - PROPOSED ROADSIDE GRASS LINED DITCH AND D PATTERNS SHOWN ON THE PLAN SHALL BE MAINTAINED. THE CONTRACTOR SW4LL BE FAMILIAR WITH DIRECTION OF PROPOSED STORMWATER FLOW IN DIT DIRECTION OF PROPOSED GRADING & STORMWATER IN DITCH THE SITE PRIOR TO CONSTRUCTION AND SHALL MAKE ANY FlELD INVESTiGAT10NS PRIOR TO COMMENCING 1 ~ 1 I I > 7 I I I t i r r I I i , r NATER DRAINAGE FLOW WORK TO DETERMINE ACTUAL CONDITIONS AT THE TIME OF CONSTRUCTION. ~ I ~ r r ~ i I I ~ ~ ' r ~ ~ I I i t t t r ~ ~ ~ I I ~ ~ I I I ( ~ ~ 4 i ~ r r ~ ROCK CHECK DAM (INSTALL O 50' INTERVALS WHE 3980 - INDEX CONTOUR-EXISTING WHERE SHOWN) 03 ALL EROSION AND SEDIMENTATION CONTROL BEST MANAGEMENT PRACTICES. "8MP'S". INCLUDING SEDIMENT PONS. CHECK GAMS, ~NERSION DRCHES AND BERMS. AND SILT FENCES SHRLL REMAIN ~ 4 1 ~ ~ ~ ~ ~ r _ 1 I f 1 1 r r IN PLACE UNTIL VEGETATNE COVER HAS ESTABUSHE~. I~CCEPTABLE TO THE ENGINEER 1 1 I I ( r ! ~ i 5 ! I I I ~ ! r ~ ~ ~ , i 1 ( < I r ( ~ l ~ I I I I ~ 1 `ti 1 t I ~ ~ 04 DISTURBED AREAS SHALL BE SEEDED IMMEDWTELY AFTER ESTABLISHMENT OF FlNISHED GRADES AND IN ti 4 { I I l I ti { J ~ ~ INTERMEDWTE CONTOUR-EXISTING NO CASE LONGER THAN 15 DAYS AFTER ESTABLISHMENT OF FlNISHED GRADES IN ANY HREA WHICH IS NO ~ 1 I i ( ~ 1 1 I I J t 1 ! GREATER THAN 1-/ARE. ~ 4 I ( ( ~ 1 ~1 ~ ' ~ ~ l l ~ r r r ~ ~ 1 TEMPORARY SILT FENCE 05 THE BMP'S SHOWN ON THE EROSION AND SEDIMENTATION CONTROL PLAN ARE THE MINIMUM REQUIRED r r r r, r r r ~ ~ ~ r ~ r r r ~ r TO MAINTAIN EROSION AND SEDIMENTATION CONTROL DURING LAND DISTURBING CONSTRUCTION. ~omow?~ ~ i r ( ' r ~ r r ~ r ' r r r r ' r EROSION AND SEDIMENTATION CONTROL BMP'S AND MEASURES SHALL 8E INSTi~LLED AS NECK ANA r r t r ~ r r r r , r ~ SEQUENCE OF CONSTRUCTION: AS REQUIRED/APPROVED B'Y THE NC DEPT OF ErMRONMENT do NATURAL RESOURCES do THE TOWN OF HIGHLAND THE CONTRACTOR SHALL INSPECT ALL BMP'S ON A GAILY BASIS AND SFWI PERFORM MAINTENANCE OF r r r ~ r i r r ~ r r ~ r ~ / r ~ ~ r 1. INSTALL MUD MAT. SILT FENCE. TEMP SEDIMENT TRA 2. CLEAR AND GRUB AND DEMUCK WRHIN UMITS OF DI 3. STOCKPILE MATERIAL FOR DRYING IN DESIGNATED AR 4. INSTALL NEW W4M IT TRAP, do RIM DITCH TO CORRECT ANY DEFECT'S IMMEDIATELY AND PRIOR TO COMMENCING WORK FOR THE DAY. r ~ ! ( ~ r ~ r OF DISTURBED AREA (EXISTING POND) ! r 1 ED AREA. Q AREAS OUTSIDE OF THE PROPOSED CONSTRUCTION AREA SHALL REMAIN UNDISTURBED. NO CONSTRUCTION l r I 1 ~ 5. HYDROSEED DISTURBED AREAS. MAY PROCEED WITHIN THESE AREAS UNLESS A MODIFlCATION TO THE EROSION CONTROL PERMIT IS APPROVED. • ~ 6. REMOVE TEMPORARY EROSION AND SEDIMENT COM'R UPON SATISFACTORY ESTABLISHMENT OF VEGETATNE ,*ONTROL MEASURES TATIVE COVER. 08 SEDIMENT BASINS S/BERMS SHALL BE CONSTRUCTED TO A VOLUME OF 3.600 C.F. PER ACRE OF DRAINAGE j NOTE: THE PERIMETER RIM DRCH SHALL 6E CONSTRU DAILY CONVEYENCE OF STORMWATER AS DESIGNED. NSTRUCTED TO ENSURE ED. AREA THEY REC~I E~THE MINIMUM CAPACITY OF THE SEDIMENT CONTROL 8MP'S SHALL BE THE \ ~ THE AREA AS DESIGNATED ON THE PLAN MULTIPLIED 81f 1-FOOT. BASINS SHAU. BE LOCATED IN THE GENERAL AREA AS DESIGNATED ON THE PLAN TO /~CEPT STORMWATER FLOWS FROM THE SEDIMENT POND DRAINAGE BASINS (DISTURBED ARFA). DESIGNED BY: Associates, P.A. 1114111 1 01 SHEET NO* DRAWN BY: cwalF ~r BARRY JONES IES PARCEL SITE PLAN POND MAINTENANCE SHEET CHK'D BY: Municipa trial • Commercial* Residential CROSS CHK'D BY: CONSULTING ENGINEERS DAM REPAIR AND PON WATER a WASTEWATER ? STRUCTURAL • 6EOTECHNICAL ? TRANSPORTATION WATER RESOURCES a STORMWATER ? LAND PLANNING & DEVELOPMENT APPROVED BY: CONSTRUCTION MANAGEMENT & ADMINISTRATION ? BUILDING DESIGN MACON COUNTY, HIGHLAND.' 462 W Palmer Street Franklin, North Carolina 28734 ?NDS, NORTH CAROLINA LARRY A. LACKEY, NC PE N0. 23962 LACKEY, JR., PE Z . 23963 Rte' DATE DRWN CHKD REMARKS 06/07 AE: NO. Tel.: (828) 524-9185 Fax: (828) 349-9535 i;- i i ~.s i i i i r i i ; 3600 CV. FT/ACRE ~ s~ MAX• VARIES BOTTOM WIDTH VARIES MATH EXIST i 1. USE FOR DRAINAGE AREAS ~ ~I ` NOT EXCEEDING 5 (fiVE) ACRES. III \ COMPACTED AND I 2. EARTH BERM SHALL BE STABIUZE~ W/ SEEDING FlLTER FABPoC EXISTING EXISTING ~~5~~ ~M POND TOP OF BAN ACCORDING TO SEEDING SPECIFICATIONS. ~ OVERFlLL 6' FOR ~~e~ SETTLEMEM' 2 SEEDED TOP j ti, 1 2' MIN. BOT i i 4' MIN. 1 3' DESIGN OF SPILLWAYS ~ I t.5' DRAINAGE AREA WEIR LENGTH ~ _ 111 Ir ~ DEPn~ ~ ~c k c~ Itl-= ! ~ c K~ 4 x 1,>--,. ~ , :111 `1` 111;-. I11.. SIC.- ~ t~- a.. MATCH EXIST ~ -~~j III .11~~;; (ACRES) (FTJ ~2:1 SIDE SLOPE MAX 1 4.0 ~ ~ EMERGENC1f ~illl ~ ? ~ l~ >~-~,~t~j~ ~4 tli 2 8.0 FlITER FABRIC gy-P~ 3 8.0 ~ 8' 60.0W 1~1 c ~a( 4~}~~ -t;1 tip ~i~ 1 ~ = 111. It k ~ ~ ~ ~ ~ ~ ~ - ~ 111:.111 ~ - ~ 111 Ii 1 111::=-. 4 10.0 ' ` 1:1 SIDE SL MA)f SETTLED TOP 5 12.0 OF OAM 1~ » ~ ~ -~t~. to C ~1~ -~~r RIM DITCH BURY ENDS ~1-;~1~ 11~~11 - _~C--~i~.~~ ) ' 111:-111 11~ 111. 1~~~ 12" MIN. ~II~_ „ III= ~lI_t`}-.~~ DIMENSIONS SHOWN ARE MINIMUM 3' MIN. NOT TO SCALE STONE SECTION ~ I 1-=`~~. , , CLASS B RIPRAPDEPTH IS 1.5 x 1.5 EFFECTIVE SIZE = 6 (d50) x1.5xd50) bIAINTENANCE INSPECT TEMPORARY SEDIMENT TRAPS AFTER FJ~CH PERI00 OF SIGNIFICANT RAINFALL. REMOVE SEDIMENT AND RESTORE TRI1P TO ITS ORIGINAL. DIMENSIONS 1NHEN THE SEDIMENT FVS ACCUMUUTED TO ONE-HALF THE DESIGN DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN A DESIGNATED DISPOSAL AREA AND REPLACE THE CONTAMINATED PART OF THE GRAVEL FACING. FILTER FABRIC OVERLAP EDGES 12" MIN. WITH ANCHOR PINS EVERY 3' ALONG CHECK THE STRUCTURE FOR DAMAGE FROM EROSION OR PIPING. PERi001CAlLY CHECK THE DEPTH OF THE SPILLWAY TO ENSURE R IS A MINIMUM OF 1.5 FT. BELOW THE LOW POINT OF THE EMBANKMENT. IMMEDIATELY FlLL ANY SETTLEMENT OF THE EA~IBANKMENT TO SLIGHTLY ABOVE DESN3N OVERLAP GRADE. ANY RIP R11P DISPLACED FROM THE SPILLWAY MUST BE REPLACED IMMEDUITELY. STABILIZE THE EMBANKMENT M1D ALL DISTURBED AREAS ABOVE THE SEDIMENT POOL AND DONMSTREAM FROM THE TRAP IMMEDIA7ElY AFTER CONSTRUC710N WITH SEEDING. TEMPORARY SEDIMENT TRAP R I P RAP 0 UTLET D ETAI L NOT TO SCALE NOT TO SCALE PRINCIPL <CANTED POST COPTIONS~ 2'x4' OR ~RINCIPIE POST POSITIpJ ;CANTED 20' TONARD FIOM> 2 1/2' MIN. DIA. STEEL OPTIONAL POST POSITIONS - 1.33 LBS./FT. MIN.> 6' M,y( IBS 20. VEGETATIVE COVER NOTES 36' WIDE FILTER FABRI (IN CONFORMANCE WITH 'ER FABRIC CIN 1. SEED ANO MULCH DISTURBED AREAS WITHIN 15 WORKING DAYS AFTER FINISHED GRADES ARE ESTABLISHED ICE WITH ( SEED AND SOIL AMENDMENTS SHALL BE PLACED ON A PREPARED SEED BED AT THE FOLLOWING TAKED AND ENTRENCHED HAY BALES PLACED ON OUTLINE NC DOT SPEC) I I FILTER FABRIC RATES PER ACRE: COMPACTED SOIL TO LIME 4,000 LBS. FERTILIZER 1,000 LBS. 2' X 2' X 36' STAKE REDUCE EROSION II ~ II ~ I STRAW MULCHE 60~ 80 BALES DISCHARGE II ~ II DISCHARGE FROM SUMP CAN DEWATERING DISCHA EXISTING BE OVERLAND FLOW OR VIA DISCHARGE FROM DEWATERING 3' or MORE ~ ~ ~ ~ ~ N~~~ 4~ - 6" ~ I I I I aROUND FOR WINTER SEEDING ADD TO THE ABOVE: PUMP 7 SILT FLOW RYE GRAIN 15 LBS ''v` CROWN VETCH 20 LBS II ~ II FOR HYDROSEEDING, WOOD CELLULOSE MAY BE SUBSTITUTED FOR STRAW AT 1,000 LBS/ACRE. BONDING WIRE DR TWIN GRADE ~ PIPE ABOVE SUMP DEPTH ~ - ~ ~ ~ MAINTAIN SEEDING UNTIL PERMANENT GROUND COVER IS ESTABLISkEU OVER AFL DISTURBED AREAS. i i l"~r'f'~TTP9\ n ~ tr~~n~w~nv ~w~w~~~~ n.~..~wi.~ •.~.n...w~w .w w~ - - - - - - L - - - - + 3~ U/ I JLl..l1LlIV L• ALL ICMrVRARI CRVJNIV I.VIVIRVL MtAJVKtJ IV tlt KtMVVtV AIVU AKtF1S KtJIVKtU AFItK IiKUUNU COVER ESTABLISHMENT. FILTERED RUNOFF 1 ELEVATION ~ ~ SILT FENCE DETAIL 4 1 X SUMP DEPTH DPTIONAL :74 4 NOT TO St`~4LE ~ ~ LENGTH=88' WIDTH=44' ~ SUMP SECTION AT DEWATERING SUMP 0p0 N.T.S ~QTES: CUSS A OR B QJ~ ~ a. GRAVEL PAD TO BE 12'x 50' / S0~ 'x 50' AND 6" THICK MINIMUM ~osioN cowrna sTOriE \ NOTES M/~, b. TURNING RADIUS SUFFICIENT ~ ACCOMMODATE LARGE TRUCKS CIENT TO FlL7ER FABRIC 24' MAX. AT CENTER 1, CONTRACTOR TO INSURE THAT DEWATERING ACTIVITIES DO NOT CAUSE 4. DEWATERING WITHDRAWALS ARE TD BE FROM TH EROSION AND THAT SUMP IS UTILIZED TD ALLOW FOR PARTICLE TO ALLOW FOR THE ADEQUATE SETTLING OF PA SEDIMENTATION, QUALITY. OM THE TOP OF THE WATER AREAS / ~ PROVIDED. TRUCKS IS TO BE A e OF PARTICLES AND INSURE WATER c. ENTRANCE(S) SHOULD BE LOC J~~F.~ ~ PROVIDE FOR MAXIMUM UTILIT 6 MIN CONSTRUCTION VEHICLES. BE LOCATED TO SECTION A-A 2. SEDIMENT SUMPS AND DISCHARGE EROSION CONTROL ARE TO BE IMPLEMENTED 5. CONTRACTOR IS TO NOTIFY ENGINEER OF ANY M BEFORE ANY DEWATERING ACTIVITIES OR EARTHWORK CONSTRUCTION, THE CONTRACTOR TO THE DEWATERING PLAN. C STORMWATER TREATMENT FACILITIES INCLUDING OUTFACES PER DETAIL ARE FOR PREPARATION OF ANY REQUIRED PLANS AND %NY MODIFICATIONS PROPOSED BY AN. CONTRACTOR IS RESPONSIBLE UTILITY BY ALL STONE CHECK DAM: ;S, STONE SHOULD BE PLACED OVER THE CHANNEL BANKS TO KEEP WATER FROM CUTTING ARWNU 7HE DAM. IS AND PROCESSING OF SAME. L ~ 7HE DISTANCE SUCH THAT POINTS TO BE CONSTRUCTED AFTER SEDIMENT SUMPS. 6. DISCHARGE FROM SUMPS SHOULD MAXIMIZE OVER 3. SUMP SIZE BASED UPON AN ASSUMED DEWATERING DISCHARGE OF SGPM ENTERING OUTFACE. STAKED HAYBALES WILL B CONTRACTOR IS TO NOTIFY ENGINEER IF GREATER DISCHARGE IS PROPOSED SILTATION RUNOFF. CONTRACTOR IS RESPONSIB S0 SUMP SIZE CAN BE RECALCULATED HAYBALES AT DISCHARGE LOCATIONS TO PREVE SUMP SIZE IS MINIMUM SIZE ALLOWABLE, ACTUAL SUMP SIZE CAN BE LARGER, TURBIDITY IN RUNOFF. OVERLAND FLOW PRIOR TO P`' d. MUST BE MAINTAINED IN A CO N A CONDITION A ANA B ARE OF EWAL ELEVA110N ~ 'ILL BE USED TO MINIMIZE 'RACKING OR 1HE FOLLOWING CRITERIA SHOULD BE USED FOR EACH CHEpC DAM: 'ONSIBLE FOR UTILIZING ADEQUATE l~~~\~J DIRECT FLOW OFVM DTONTO N COARSE AGGREGATE PERIODIC TOPDRESSIN~ WITH 2-3" NOTES: APPLICABLE AT ALL POINTS OF SILL BE NECESSARY; KEEP SO ONTO STREETS. - QdSURE THAT 1HE DRAINAGE AREA ABOVE 7HE CHECK DAM DOES NOT ~ WITH STONE EXCEED 2 ACRES. ~N• 'REVENT SCOURING AND MINIMIZE EEP SOME HANDY. - ~ TME MAXIMUM RETORT AT 2 FT AT 7HE CENTER OF 7HE DAM. - KEEP 7HE CENTER OF 7HE CHEgC DAM AT LEAST 9 INCHES LOWER THAN INGRESS & EGRESS UNTIL SITE IS e. ANY MATERIAL WHICH STILL M STABILIZED. FREQUENT CHECKS OF ONTO THE ROAD MUST BE CL THE DEVICE AND TIMELY IMMEDIATELY. 7HE OUTER EGOES AT NANRAL OROUNp EI.EVA710N. 7. DEWATERING PERIOD WILL BE LESS THAN 30 DA DEWATERING SUMP 30 DAYS. >TILL MAKES IT -KEEP THE SIDE SLOPES OF THE D/1M AT 2:1 OR FLATTER. FILTER FABRIC BE CLEANED UP - ~ TMAT 1HE MAXIIYKIM SPAgNO BETWEEN DAMS PUCES THE TOE OF 1HE UPSTREAM DAM AT THE SAME ELEVATION AS THE TaP OF 1HE DOWNSTREAM DAM. MAINTENANCE MUST BE PROVIDED. - STABILIZE OVERFLOW AREAS ALONG 1HE CHANNEL TO RESIST EROSION ~ CAUSED BY CHEgC OHMS. FACE VIE W CONSTRUCTION ENTRANCE MUD MAT NOTE: INSTALL TEMPORARY CHECK DAMS AT 50' INTERVALS SEE PLAN) ALONG DITCHES AND AT CULVERT NOT TO SCALE INLETS FOR EROSION AND SEDIMENTATION CONTROL URING CONSTRUCTION; RIP RAP MATERIAL FOR CHECK DAMS CAN BE THE SAME EFFECTIVE SIZE AS FOR THE DRCH RIP RAP AND MAY BE REUSED UPON SEEDING AND PLACEMENT OF FILTER FABRIC FOR RIP RAP LINING CHECK DAM SECURELY BIND BALES A ausnNC CONSTRUCT THIS BMP DAILY OR AS FILL PROGRESSES GROUND UPWARD TOWARD FINAL ROUGH GRADE. THIS WORK SHALL BE IN PLACE PRIOR TO DAILY EARTHMOVING ACTMTIES. SHEET mow FLOW COMPACTED AND GRASSED BERM DISCHARGE C NEL PLAN A 2 30'+ ~ " X 2" 1 2' MIN. WOOD POSTS ~ 80: ~o°w I ~ I 3' LONG /I ~ ~ ~ ~ ~ ~ ~ ~aE 1' DITCH DEP1H IN ORIgNAI GRWND ~ . ,~,~Ni~ ~ y~ TOP OF FABRIC zic eE sECURaY n~u TocEn+~ / / IN LOW AREA TO TO DTTOM DIVERSION DITCH AND BERM (DAILY OPERATION) Errr. ~ 3' MAX BE BELOW BOTTOM ~W ~S ~ S~ ~ Z OF FABRIC AT T NOT TO SCALE 71ERS HN~i IF FLOW EMBED FABRIC UPSLOPE TERMINOU REQUIRES 4 INTO GROUND OMINOUS WOVEN FILTER FABRIC 2 KEBABS. ~ ' SILT FENCE AT WEIR OUTLET PICKETS 4R 2 X 2 STAKE ~ 2 IN THE SECTION A-A CROUN., i; STRAW GALE SEDIMENT BARRIER AT WEIR OUTLET N.T.S. ~^~e~f. ~.t" .e,.a,r'Ff a fit K r ' y DESIGNED 8Y: %j=1901L Associates., P.A. ?r l y SHEEr NO. DRAWN BY: cwCzE -r"juvA0qiek BARRY JONES Industrial • Commercial + Residential i~`J~ 14iw3 t 1 I~ s ,~J'ti !N w ~ 1 • c . fop Pa 'IS PARCEL M I w. 00 0 SHEET CHK'D BY: CONSULTING ENGINEERS DAM REPAIR AND POND EROSION & SEDIMENT CONTROL Id :a fr. > .JI ' (lt~WI J w ~x~L1pf dN CROSS CHK'D BY: WATER & WASTEWATER • STRUCTURAL # 6EOTECHNICAL • TRANSPORTATION )ND MAINTENANCE DETAILS APPROVED BY: WATER RESOURCES 8t STORMWATER • LAND PLANNING & DEVELOPMENT MACON COUNTYHIGHLANDS, CONSTRUCTION MANAGEMENT a ADMINISTRATION + BUILDING DESIGN + + J Y(! ~I)So NORTH CAROLINA ,y t Key, PE Rte' NO. DATE DRWN CHKD REMARKS DATE: 06/07 462 W Palmer Street Franklin, North Carolina 28734 Tel.: (828) 524-9185 Fax: (828) 349-9535 N .,j y ~r .3 9:- l~iilif{{ 777. CAP STONE EXISTING ON TOP OF GRADE STRUCTURE r i 20' TOP OF WEIR ELEV 3875 (APPROX 'ROX TOB-FIELD VERIFY) s CUT 3~ INTO INTO EXIST •,s PLACE CLAY BACKFILL MATERIAL SLOPE BAN NATER WITH CLAY MATERIAL BAN K; FI LL AS TEMPORARY EARTHEN BERM 'LAY BACKFILL PRIOR TO CONSTRUCTING TOP OF BACKFILL WEIR CREST/WATER WEIR STRUCTURE ~ ELEV 3873 IAL S' TD TDB STACKED STONE VENEER (NP EA SIDE) 10" WIDE HEIGHT VARI • CAST-IN-PLACE VARIES ~ 2 fc CONCRETE • CONC. WEIR STRUCT RE = 4,000 psi RE ~ 1 COMPACTED CLAY MATERIAL BACKFILL . s COMPACTED, CLAY, BACKFI ON WATER SIDE OF~ WEI (SEE SECTION) ~ACKFILL 2 MATS F~ WEIRS 6" CONC X 10'L X WIDTH OF ~ J) BOTT. W 6X6X 10 10 WWM #6 ~8 E.W., HOOK TO BOT ST T FINISHED GRADE . ELEV. VARIES ~ 12 ~ 4•-s~ • • RUBBER .I WATERSTOP 4 4' ,4 4 'Q 4 O - p, 1.• • O ~ ~ BOTTOM OF FOOTING DEPTH VARIES; ENGINEER TO FIELD #5 ~ ~ 2„ 6~LAY LINER CONT. TO 2' BELOW DETERMINE DEPTH UPON EXCAVATION FOOTING CONCRETE WEIR STRUCTURE NOT TO SCALE E S ECTI 0 N CONCRETE WEIR STRUCTURE E NOT TO SCALE ELEVATION WATER SIDE C:AP ST(~NF ON TOP OF STRUCTURE TOP OF WEIR z a a a a a a~ - a - - W STACKED STONE _ - _ _ - _ - WEIR CREST/WATER a a . •a~ 4 ~ q d i' FINISH PER OWNER SPEC • d .Q p v ON OUTFACE SIDE OF - - _ - - - .e Q Q i WEIR STRUCTURE _ _ - d d 4 a d O a . d' a ~ ' C #6 REBAR ~ 8" EACH WAY a~ ~d d ~ 4 ~ . 60TTOM OF i' EXISTING BRANCH a ~ a ELEV. VARIES . • ~a • .a~ i' a a i v d 4 f Q . d 4 Q' CONCRETE WEIR STRUC ICTURE ELEVATION OUTFACE SIDE NOT TO SCALE ,`1~1111fit .,~~9 ~ liip ~ e, • 4 0 - - DESIGNED BY: Associates, P.A. t3 fyy~ e~ SHEET NO. cw~z£ r BARRY JONES r,fJa p 'v F., i f d try DRAWN BY: Municipa • Industrial • Commercial • Residential ES PARCEL WEIR/DAM DETAILS R !N SHEET CHK'D BY: .t CONSULTING ENGINEERS DAM REPAIR AND PONI p n^ . r IOND MAINTENANCE tiV 01* • -i CROSS CHK'D BY: WATER & WASTEWATER • STRUCTURAL ? GEOTECHNICAI • TRANSPORTATION WATER RESOURCES a STORMWATER • LAND PLANNING & DEVELOPMENT r . Y 4 At-99Y, PE APPROVED BY: MACON COUNTY, HIGHLANDS CONSTRUCTION MANAGEMENT 8 ADMINISTRATION • BUILDING DESIGN ` , NORTH CAROLINA L u r O• P' N 1 1- 462 W Palmer Street Franklin, North Carolina 28734 Tel.: (828) 524-9185 Fax: (828) 349-9535 1 • ~ i T~ N0 DATE DRWN CHKD REMARKS DATE: 06/07 Rte' . i