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Home My WebLink About1982_MOD_Plans_Slope Stability_20150518JKE JERGY )y Carolinas -EAM STATION )RTH CAROLINA SHEET IG CONDITIONS PLAN ?RING/EXCAVATION PLAN - - DEWATERING/ LTION PROGRESSION Uj I �m ' cn9 b s Z a O x a F CC N Z Q V v N cc N W J W W J LLI W Q DUKE ENERGY CAROLINAS EXCAVATION PRO Cr OWNER/DEVELOPER DUKE ENERGY CAROLINAS ASHEVILLE STEAM STATION 200 CP&L DRIVE ARDEN, NC 28704 (828) 687-5201 CONTRACTOR CHARAH. INC 12601 PLANTSIDE DRIVE LOUISVILLE, KY 4-9 (502) 245-1353 ENGINEER FRANKLIN S. CRAIG, RE ® W CONSULTING ENGINEER. 2543 GLENEAGLES DRIVE PER CRE YOV DIG O (704)GASTNIA,812 37 28056 (704) 813-3764 S T O P M�/ l^i W CALL 1 B00 632-4949 N BEY W N. C. ONE ALL CENTER IT'S THE LAW m Z NN N Z � W REF.: CAROLINA ASHEVILLE S.E.P. POWER PONDIGHT CO. ,--- �C-..-r-�a W , EXPANSION PLANS, LATEST REV. 01/15/0, J O 1982 ASH POND DAM ISSUED FOR CONSTRUCTION V DAM ID: BUNCO-089 DUNE 24, 2013 0 ISSUE DATE: JUNE 17, 2013 ^^ REVISIONS DESCRIPTION N0. DATE DESCRIPTION SCALE: 1 ".=1 OOP 1. 10 4 2014 JREVISED PLAN TO ALLOW EXCAVATION ALONG THE 'B2 DAM FACE 2 01 23 15 REVISED PER ABSAT COIAYENTS 0 50 100 200 VICINITY MAP NIB SYMBOL LEGEND IPON PIN FOUND IRON PIN SET IRON P:N SET =F(F)Q P-K. NAIL FOUND FIRE HIVRANT ` C TELEPHONE PEDESTAL OVE PHEAD UTILITI' =v UTILITY POLE {z LIGH1 POLE xv ® WATER VALVE ® SANITARY SEWER MANHOLE —1 SANITARY SEWER LINE —W— WATER LINE uE— UNDERGROUND ELECTRIC —uT UNDERGROUND TELEPHONE :— GAS LINE -- DRAINAGE DITCH/WATER COURSE APPROX. TREE/SHP.US LINE CHAIN LINK FENCE 'o.■ BASIN _ . :_ET ;-ET TEMPORARY STONE FILTER Q SEWER CLEANOUT FLOW DIRECTIONAL ARROWS TEMPORARY ROCK CHECK DAM DENUDED/CONSTRUCTION LIMITS TEMPORARY SLT/CONSTRUCTION FENCE EXISTING DRAINAGE STRUCTURE & PIPE CURB & GUTTER — — — - — -602XISTING E CONTOURS 602 PP.OPOSEO CONTOURS SEDIMENT BASIN PROPOSED SIDEWALK --- PROPOSEC HEAVr-DUIt ASPHALT L— TEMPORARY CONSTRUCTION ENTRANCE ENGINEERS NOTES: 1. The Engineer has made all possible oU—pbs to locale -istiN utditea. It ie the CONTRACTOR'S neponelbilily to Field verify the locotiona of PII u11fiti- prior to construction oM to sale airy ...Wick. Any damage to tifies incurred during construction is the reeponslbilRy of the DDNTRALTOR and is I. be repaired in a Umely and of the CONTRACTOR'S e-perue. CdI Comfino one -Coil at kcal 48 noun ,,,, Is digging (sxcludes eeekenda oM hdidaye) of 1-BOD-(32-4949. Duke Ener ASHEVILLE S ASHEVILLE, N CS COl 1.0 EXI 1.1 DE1 1.2 PR( EX( X L a— `qµL...LA ? S�C r VICINITY MAP NTS SYMBOL LEGEND IPT� ® IRON PIN FOUND U�ITDQ ON PIN SET IP(sD ® IRON PIN SET °KIT P-K NAIL FOUND „yp FIRE HYDRANT v ❑ TELEPHONE PEDESTAL OVERHEAD UTILITY a° Q UPLI TY POLE (i LIGHT POLE ED WATER VALVE CS) SANITARY SEWER MANHOLE .5 SANITARY SEWER LINE WATER LINE aE U'NDERGROUND ELECTRIC aT UNDERGROUND TELEPHONE G— GAS LINE — DRAINAGE DITCH/WATER COURSE ..�.�.��..�./ APPROK. TREE/SHRUB LINE CHAIN LINK FENCE CATCH BASIN u. ■ DROP INLET TEMPORARY STONE FILTER 0 SEWER CLEANOUT ROW DIRECTIONAL ARROWS TEMPORARY ROCK CHECK DAM e� DENUDED/CO.NSTRUCION LIMITS TEMPORARY SLT/CONSTRUCTION FENCE E%ISPNG DRAINAGE STRUCTURE & PIPE CURB & GUTTER - — -602— — — EXISTING CONTOURS —602— PROPOSED CONTOURS SEDIMENT BASIN FPROPOSED SIDEWALK PROPOSED HEAVY-DUTY ASPHALT - —JJJI TEMPORARY CONSTRUCTION ENTRANCE ENGINEER'S NOTES: 1. The Engineer has made all possible attempts to locate e.Istla, utllitlea. R I. the CONTRACTOR'S Tespa-ibilily to field verify the lecotbns of all atibliee Prior to construction Orb to note a"y conflicts. Any damage to alilNiee inoorred ding eolreltuclion b the ..."rebifdy of the anal is to be P.i4' d in o Dandy and at the CONTRACTOR'S e.' — Call Carolina one -Call at kosl 40 hours Pno, to diggiaq (e. .ales Weekends and holidoys) al 1-800-632-4949. DtJKE ENERGY _-.. Duke Enerigy Carolinas ASHEVILLE S-FEAM STATION ASHEVILLE, NORTH CAROLINA SHEETINDEX CS COVER SHEET 1.0 EXISTING CONDITIONS PLAN 1.1 DEWATERING/EXCAVATION PLAN 1.2 PROFILE - DEWATERING/ EXCAVATION PROGRESSION E C p LAN® `h DUKE ENERGY CAROLINAS EXCAVATION PROJECT OWNER/DEVELOPER DUKE ENERGY CAROLINAS ASHEVILLE STEAM STATION 200 CP&L DRIVE ARDEN, NC 28704 (828) 687-5201 CONTRACTOR CHARAH, INC. f2601 PLANTSIDE DRIVE LOUISVILLE, KY 40299 (602) 245-1353 ENGINEER FRANKLIN S. CRAIG, P.E CONSULTING ENGINEER. 2543 CLENEAGLES DRIVE BEFORE you DIG (704)GASTOIA,813 37 28056 (704) 813-3764 S T 0 P CALL 1 800 63 ,- ,,, N.C. ONE -CALL CENTER IT'S THE LAW REF.: CAROLINA POWER & LIGHT CO. ASHEVILLE S.E.P. ASH POND EXPANSION PLANS, LATEST REV. 01/15/07 1982 ASH POND DAM DAM ID: BUNCO 089 SCALE: 1 "=100' 0 50 100 2DO E2 ISSUED FOR CONSTRUCTION JUNE 24, 20" Q ISSUE DATE: JUNE 17, 2013 REVISIONS Nn GATE - DESCRIPTION �P+ V W 12 Z CC W N L W m Z N Z CC a a W cv j' '0'+ 50 V+ V C O • I da�pp o Y/ a.4m N — m r" m m rM MaV za n O oa Z N wudldos30 sNosin3a HMO 'Ll 3Nn' :31V4 InSSI V £ LOZ '4Z 3Nnf NOILOna1SNOO 80J 03nSSI ME1H96890YL0T VON dols M MIA 3WnS OOz 001 OS 0 01 1 ,00 L L •31VOS 31Y0 JN 690-OONn9 .01 WVO TWO NISVB HSV Z9, 3H.L 9NIONV038 S-11V130 IVNOLLIOOV NOd L01900 'NOISIA38 ISRTI 'SNVId NOISNVdX3 ONOd HSV 'd'3'S 31-IA3HSV "03 1H911 V N3MOd VNIIONVO 30N3N3A38 'Z 31LOZ H38VW 'ONIA 8nS ONM Jl9 0301AONd VIVO A3A8ns 'l :S31ON ]VO i3S INVO ONOd HSV Z96L MPONd TO 03N33NpN3 M3N 3NL NO! c Ainun A 03LYOOl3N 110 03110N3N 39 01 033N AV" ML 'O13 S7Y16303d 3NOHd3731 'SAYM3AN10 'SN3l3N '6310d NY 31YNN7N000 Y3tlV lO3fONd - NI 53NNLY3d 316 ONY s311E7Ln ONLLSOO TY AdIN3A Ol NOlOtlNlNOO „ Nd SNOLIGN00 ONIlSIX3b o ice---, m / \ r x 9,99XZ \ X s33& 3SN 30 \ � air 1r - 9't91Z / n — \ I \III 9'91ZZ / ZODU S33. 3510099 s aASH3(j o NOWIS d 36N3O , ,- ,- ,,� , ,— ,--, —, �, --. ; , �i , / / / / /, �/ / zsx3 \ �I 4'99:Z ,/ i I (Ii"I I \4+ ` -'' •'/ i ' dVW kUNIDIA N0110 rua- 9-Pe1a— 533lLL 35N30 9661Z.qus d / / �' s.e%tz rfi91z 9'63IZ- cs 6 O912 \_ f E'ota 1'S9tz r l't9t S'B9lZ ,� X 3 iIdN3015 `mow OYLIC�e.�-°n ,. �'I o ) � ( n,i] ---- ' II `- 9 It NO-183s30 SNOI6N.38 £L0Z 'LL 3Nn :31Va 3nssi £LOZ'bZ 3Nnf Nouon 11SNOO 2JOd 43nSSl OOZ OOL 09 0 L0/SL/LO A38 1S31V, 'SNV,d NOISNVdX3 .z ONOd HSV 'd'3'S 311IA3HSV ,OO L=„ L -31VOS '00 1H0I1 V 83MOd VN1108VO :'338 17 oN Z 690-00Nna gal vivo WVa aNOd HSV ZS6l, 0 m v n ao !�-- nm m Z Jm z AA ,wZY/ Z n M \ C - am 9'f9lZ Z A NOIltl13O3A ONIHSII8V1S3 x seiz NI 301V (INV 3dOIS 3H1 1O310ad Ol aW3033N 38 AV SV 0311V1SNi 38 AVW 13NNV18 IOa1NOO NOIS083 ^� '83AVl IIOS 31,11 d0 NOISOa3 31VOWN (INV 3dO1S 3Hl NIVINIVW 01 03a33N Stl 3dO1S 3H1 31V1303A a SIIOS a3A00 d0 83AVI HONI ZL WnWINIW V IIVISNI IIVHS 801OVaNOO 3H1 'SV36V 3S3H1 NI 03HS118V1S3 SI NIVW38Ol 3dOIS 110S IVNid 3H1 SV 'ZL ('bLOZ '£Z AVW 031Va ' 3NI 'S3100IONH031 HOV81030 A8 a3NVd38d 831.L31 SNOISn13NO0 0NV NOLL03dSNl :'.338) '3an10na1S IIVAInO 3Hl Woad AVMV S31LIALLOV NOL13na1SNOO ANV 133NIo 01 ddo o3dO8 j ONV 030OV1d 38 11VHS 83dd68 3H1 '38n10nalS 11V31nO ONLLSIX3 3Hl. 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ASH S RFACE INITI 4L 3:1 OTT -- -- ASH SURFACE K. DA.M FA E� AT 2.7 SLO f i i PPROXIMA E ASH BASIN REMOVE FROM 'D ASH M FACE SUBGRADE PROTEC NG DAM (SEE NO FE 10.) 1+00 2+00 3+DO 4+00 5+00 6+00 7+00 8+00 9+00 10+00 11+00 12+00 13+00 144'00 15+00 16+00 17+00 18+00 19+00 CAPOND PROFILE iCNE•'•-100' iHI •- a ro F25�4 TEMPORARY SEEDING A SEEDING MIXTURE SPECIES RATE (LB/Ai-RE1 RYE (GRAIN) 120 ANNUAL JAPANESE GRASS 50 �L sA \/ SEEDING DATES YOUNTAINS - FEBRUARY 15 TO MAY 15 /) SOIL AMENDMENTS FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPL'f 2,000 LB/ACRE GROUND � 2 AGRICULTURAL LIMESTONE AND 750 LS/ACRE 10-10-10 FERTILIZER MULCH APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING NTH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. n MAINTENANCE REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH 5 IMMEDIATELY FDLLOWING EROSION OR OTHER DAMAGE. NOTE: REFER Tfl MANUFACTURER'S GENERAL STAPLE PATTERN GARDE FOR COtRECT STAPLE PATTERN RECOMMENDATIONS FOR SLOPE NSTAIUTIONS. 1. PREPARE SOIL BEFORE INSTALLING BLANKETS HOLDING APPUCATION OF UME. FERTIU E . AND SEED. OR; WHEN USING CELLO -SEED DO NOT SEED PREPARED AREA. CELL-0-3ED MUST BE INSTALLED WITH PAPER SIDE DOWN. 2. BECIN AT THE TOP BF THE ROPE 81 ANCHORING THE BLANKET N B• DEEP X 6• W10E TRENCH. mmnu AND COMPACT THE TRENCH AFTER STAPLING. 3. ROLL THE BLMMETS (A) DOWN OR (B.) HORIZONTALLY ACROSS THE SLOPE. 4. THE EOCES OF PARALLEL BLANBEHS MUST BE STAPLED WITH APPROXMATELY 2. OVERLAP. E. WHR/1 BLANKETS MUST BE SI'LKID — TIff AOPE, PLACE BLANA2TS END OVER F1ID ((SHNCIE 1. S1KE) WITH APPROXIMATELY 4' OVIFLM. STAPLE TTROIOL OVERLAPPED AREA. APPR018YATELY 12• APART. ROLLED EROSION CONTROL BLANKET U scME-u.T.s 2190 2180 2170 2160 2150 2140 2130 2120 2110 2100 2090 2080 2070 20+DO SEEDING SCHEDULE 02. A Gran Seed: Fresh, tlea�dry, new aop seed complying will AOSA's (Aasociolian Olfltld Seed Amiyels) •Jwmd of Seed TecMdogy, Rdn for TeaUnqq sods• for purity and germmolim tdermcea. AD tee n paynaa pen 1000 aquae legit and a rates Gated bdor moy be wt by one hell fa Lempaay aovion cmUd mmsurea mly. 1. Septembm 15 to March 1: o. Open-field (anything 9,en thm on estobllshed lam). 1) Turi type tell Fe ( 10 The pen 1OGO at now 1—5 Ibs per of -ding) i� s33 IRFertniza (5-40-40) (ar ae rayuirea by sou molyala) 43 ,DO/ Lbne ( oc requbed be sou ondysb> 5 12f Superphosphate. ( a oar qubed by sal ondyab) A Opm-Gelds for slopese (2:1to roe pa 1a greater, O areas wblecl to eroem. 1)) Turl yteype�9' I Fescu000 st ner tome, 5 Ibs pa sl 3) RFertBiza (5-1Di0)( or os r.W" by wu analyaie) 5 12,Superphosphale( arYeae requteaaby e-11 2. August - December ( hen daNXne IemDaature le betwemyp1e) BO and 75 degrees and nighttime tampenalaa Is lass than 70 degrem) a. Opm - field (anything oUw thm m e Wbba ,d lawn). 1) Turf type tdl Feewe ( 10 lb. pa 1000 of new town.. 5 Ibe pa a 2) 2/ Sudan (uay, ,Nna ma July, mlr) 3 1 FwUl'rz m(rr1U-1o)( or as r,q l,,d by ma mdyela) 4 1Z U_( a os equlIN. c'soil dpb) 5 12/ Suparpho photo. ( squired by sal on lysis) b. Open -fleas far slopes 2.1 obgreaten, or a eas subject to erosim. 1) Turf t1 a tdl Fescue( 10 Ibe pen 1" a new lawns, 5 Ibs per of amq) 23 danllgizaos(5M1a,-0)n(e oarndae Aray mly) 40�atm.q.lebymu n.lys.) Lbne ( a os requbed by sal motyyssk) s 12/ Superphoaphala ( a as m imd by sad sooty.,') SOIL AMENDMENTS APPLY UME AND FERTILIZER ACCORDING TO SOIL TESTS, OR APPLY 4.000 LB/ACRE GROUND AGRICULTURAL LIMESTONE AND LOBO LB/ACRE 10-10-10 FERTILIZER. MULCH APPLY 4,00D LB/ACRE GRAN STRAW OR EQUIVALENT COVER OF ANOTHER SUITABLE MULCH. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR ROVING OR BY CRIMP- ING WITH A MULCH ANCHORING TOOL A DISK MTH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL MAINTENANCE REFERTILIZE IN THE SECOND YEAR UNLESS GROWM IS FULLY ADEQUATE. MAY BE MOWED ONCE OR TWICE A YEAR. BUT MOWING IS NOT NECESSARY. RESEED, FERTIL- IZE, AMID MULCH DAMAGED AREAS IMMEDIATELY. DEWATERING/EXCAVATION PROGRESSION: 1. DEWATER '82 LOWER BASIN AT A RATE OF 1'/DAY UNTIL EMPTY. USING PUMPS, DISCHARGE WATER INTO THE JUNCTION BOX AND FURTHER THROUGH THE OUTFALL PIPE. 2. GRADE AREA 1 USING ASH MATERIAL FROM INNER DIKE AND SURROUNDING AREA TO ALLOW FOR INSTALLATION OF 3 — 18" SLOTTED CASINGS WITH PUMPS FOR DEWATERING THE ASH WITHIN THE '82 BASIN THROUGHOUT THE EXCAVATION PERIOD. 3. AS THE WATER LEVELS IN THE LOWER BASIN SUBSIDE, BEGIN WORK IN AREA 2 TAKING ASH FROM THE INNER DIKE AND CONSTRUCTING "FINGERS" ALLOWING EXCAVATION ACROSS THE LIMITS OF AREA 2. 4. CONTINUE THE EXCAVATION EFFORTS IN AREA 2 OVER TO AREA 3 AS WATER LEVELS ALLOW, IN A SIMILAR FASHION AND CONTINUE EXCAVATION UNTIL THE GRADES ACROSS AREAS 2 AND 3, AND THE INNER DIKE ARE EQUAL TO THE ELEVATION IN AREA 4. 5. CONTINUE DECANTING THE ASH USING THE 3 SLOTTED CASINGS AND PUMPS THROUGHOUT THE EXCAVATION ADJUSTING THE TOP OF THE CASING IN 5—FOOT INCREMENTS AS EXCAVATION PROGRESSES TO THE POND BOTTOM. 6. EXCAVATION CONTINUES ALONG ALL POND PERIMETER SIDES AND BOTTOM UNTIL NATURAL GROUND OR SOILS ARE ENCOUNTERED. DO NOT EXCAVATE ANY SOILS AT ANY TIME WITHIN THE LIMITS OF THE ASH BASIN. 7. EXCAVATION EFFORTS INITIALLY WILL INVOLVE THE USE OF LONG —REACH EXCAVATORS, DOZERS AND ARTIC OFF —ROAD DUMP TRUCKS WHERE MATERIAL IS REMOVED AND HAULED TO THE DECANT STOCKPILE AND LOADOUT AREA. B. AS THE ASH SUBGRADE IN THE EXCAVATION AREAS IMPROVE, THE OTR DUMP TRUCKS MAY ACCESS THE EXCAVATION AREAS FOR DIRECT LOADING, AS LONG AS THE ASH PRESENTS AN ACCEPTABLE MOISTURE CONTENT FOR PLACEMENT AT THE AIRPORT. SOME PARTS OF THE EXCAVATION AREA MAY STILL NEED TO UTILIZE THE ARTIC DUMP TRUCKS GIVEN LIMITED ACCESSIBILITY. 9. MAINTAIN DEWATERING EFFORTS THROUGHOUT THE EXCAVATION EFFORTS AND GRADE THE ASH SURFACE ON BOTH THE UPPER AND LOWER BASINS TO DRAIN TO THE WELLS AND/OR PUMPS USED TO REMOVE THE WATER FROM THE EXCAVATION AREAS. ALL WATER REMOVED FROM THE EXCAVATION AREA MUST BE DISCHARGED TO THE NEW '64 RIM DITCH OPERATION ONCE THE INITIAL WATER WITHIN THE LOWER BASIN HAS BEEN REMOVED TO THE POINT THAT THE ASH SURFACE 11.. HAS BEEN EXPOSED. 10. TO ENSURE THE '82 REGULATED DAM IS NOT IMPACTED BY THE EXCAVATION EFFORTS, ESTABLISH THE ELEVATION OF THE INTERFACE OF THE ASH SURFACE ALONG THE DAM FACE, MAINTAINING THE EXISTING DAM FACE INCLINATION OR SLOPE (2:1). REMOVE ASH FROM THE DAM FACE USING A SMOOTH —EDGE EXCAVATOR BUCKET AND PROVIDE THE EQUIPMENT OPERATOR A SPOTTER TO OBSERVE WHEN SOIL ALONG THE DAM FACE HAS BEEN ENCOUNTERED. DO NOT EXCAVATE ANY SOILS FROM THE BASE OF, OR ALONG THE 2-PERIMETER OF THE BASIN. 11. SOIL COVER MATERIAL FOR FILL SHALL BE FREE FROM ROOTS, WOOD, OR OTHER ORGANIC MATERIALS. STONES LARGER THAN 4" MAXIMUM DIMENSION SHALL NOT BE USED IN THE EMBANKMENT FILL. USE SUITABLE EXCAVATED FILL MATERIAL FOR PLACEMENT ALONG THE EMBANKMENTS AS APPROVED BY THE GEOTECHNICAL ENGINEER. THE FILL MATERIAL SHALL BE PLACED USING AN EXCAVATOR BUCKET SPREAD IN LIFTS OF 3 TO 4 INCHES, PACKED IN PLACE USING THE SMOOTH SIDE OF THE BUCKET. REPEAT THE LIFT PLACEMENT UNTIL THE REQUIRED DEPTH OF FILL IS ACHIEVED. COMPACT THE FILL MATERIAL AS NECESSARY FOR THE FILL TO REMAIN ON THE SLOPE. VEGETATIVE COVER SHALL BE ESTABLISHED AS SOON AS PRACTICABLE, BASED UPON THE SEED MIX TABLES PROVIDED HEREON. I, I 1982 ASH POND DAM ISSUED FOR CONSTRUCTION DAM ID: BUNCO-082J I JUNE 24, 2013 ISSUE -' __ 17, 2013 REF.: CAROLINA POWER h LIGHT CO. EXCAVATION ON Q_i r- oI 23 2014 REVISED PLAN, TO ACCOST EXCAVATION ASHEVILLE S.E.P. ASH POND 2. D1 z3/zols REVISED PER ABSAi COMMENTS. EXPANSION PLANS, LATEST REV. 01/15/07 II: W ID U $zee U) � g U, z 0 LL rys, OE, SEp• r. tt t s Toe sEAL g t t T 17596 7 -; � •F �a:•o f �Nh•S.J,f'r� 7",. aO ZIIIIII. Occ /a N z V Q � W W cc toJ W J W W J H LLI W Q 7 °a z 0 �� V N ?W II• LLI 2 aIC z 0 3a vi C p z a� ,o m z Wa N z 44 �Q Lill 0 IL) co ,CV++ a W 1.2