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HomeMy WebLinkAboutSW6130404_APPROVED PLANS_20130426STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW &�� DOC TYPE ❑ CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD �\ LIMITS OF GROUND / 1 DISTURBANCE \ PR. INFILTRATION BASIN � °^eke--------------- McINNIS STREET 20'PuWcRight-of wa — — — — — — — — — — — — — — — — — O N 75.12 W E 857.45' qqA L T wit I ( i BUILDING 1 PROPOSED ? ♦ ��`\' �j U - HAU L of FAYETTEVI LLE ez7� �� SHEET NAME i I �.�, STORAGE ADDITION CO.0 CIVIL TITLE SHEET s •l wnnw��i •P Q C1.0 CIVIL SITE PLAN 2346 GILLESPIE STREET, FAYETTEVILLE, NC 28306 00 , : °° c2.o GRADING PLAN (, of 2) l C2.1 GRADING PLAN 2 OF 2 ou) r ` m m •� �� w C3.0 EROSION AND SEDIMENT CONTROL PLAN m � �•t�Y=c h1i � r co J C3 1 EROSION AND SEDIMENT CONTROL DETAILS � � 'p .,k��; � off �;4' rrrrrrrr�er�rrrraarrrrrrrr�rrrrrrrrrrrrrrra��rrrrrrrarerr� C4.0 EXISTING DRAINAGE MAP yl"{'•�ky a3. 3— e=..�v„`.+in* m. .°".";e � .ti. ,'1 W. ;y-aFL�' `� {�^4a,Y i'. ^�dY,, y'feR ..':. f9 . `" i N ?? P R. EQUIPMENT MENT :� � • C4.1 PROPOSED DRAINAGE MAP z ' SHUNTING •1' C5 0 WATER AND SANITARY UTILITY PLAN PR. CANOPY N\ �Q V LIMITS OF GROUND DISTURBANCE (TYP) %s' p ' ...--..`i ..m - _ r _ • I Nam. 44 � rrrr • I `� vJ ,, - � � � '� x, ` • ` � �•` n�^ rrrrrrrrrrrr�r � i� C? i T d(c f{' BUILDING k PROPOSED PR. C PY ;� ma.w 1,6M SF y fix,.; Vmy 7 SHEET INDEX w'ik r I,- a` SUBJECT PROPERTY INFORMATION: 1. k - zL' ' , € -- _ _ _ _ — — wvy,►�rwy�r.rrwwrw�+yse ,Yr,.,. d S W36'5F W Pii c'u as75rh►rr 1 31.05' ANNI_rri M MIL Fra s1s1a'a3"w THE LAND REFERRED TO IN THIS 9.70 POLICY IS SITUATED IN CUMBERLAND COUNTY, NORTH CAROLINA AND DESCRIBED AS FOLLOWS: BEING ALL OF THE PROPERTY OF 1 VICINITY MAP 4 PROPOSED SITE SCALE: 1"=60' TO A N ESTATE ACCORDING TO A PLLATAT DDUULY RECORDED IN BOOK OF PLATS 58, PAGE 90, CUMBERLAND REDEVELOPMENT OF SITE INLCUDES CONSTRUCTION OF TWO (2) BUILDINGS, TWO (2) COUNTY REGISTRY. CANOPIES (CARPORTS), AND ASSOCIATED INFRASTRUCTURE TO SUPPORT EXPANSION OF EXISTING COMMERCIAL SERVICES. LEGEND BEING THE SAME PROPERTY SHOWN ON FIRST AMERICAN TITLE SITE AREA 431153.55 SF, 9.898 ACRES TC TOP OF CURB pd —WATER VALVE —ROLLED CURB INSURANCE COMPANY COMMITMENT BUA) TOTALS TD TOP OF LOADING DOCK d — WATER TEE — RIBBON CURB #NCS-550306—ATL HAVING AN BUILT UPON AREA ( TP TOP OF PAVEMENT WATER MAIN REDUCER EXIST 8.21 ACRES FS FINISHED SURFACE — HYDRANT �— PR. ASPHALT PAVEMENT EFFECTIVE DATE OF JUNE 15, 2012. PROPOSED 8.44 ACRES FL FLOWLINE D.C.— FDC PROPOSED GROUND COVER INCLUDES ASPHALT, CONCRETE, AND LANDSCAPED AREAS. TG TOP OF GRATE �.I.v.— PIV AGGREGATE GROUND TOW TOP OF WALL ,. —VERTICAL BEND STORM WATER BMP'S INCLUDE ONE (1) OPEN—AIR INFILTRATION BASIN FIG FINISHED GRADE * — HORIZONTAL BEND POROUS PAVERS WITH OWNER, DEVELOPER/APPLICANT EP EDGE OF PAVEMENT OC.O.— CLEANOUT SAND FILTER AREA OF LAND DISTURBANCE 206,764 SF, 4.75 ACRES RCENTERLINE ® —INLET /W RIGHT—OF—WAY ----__ —STORM DRAIN COMPACTED GRAVEL AMERCO. FF FINISHED FLOOR — WATER LATERAL SURFACE PE PAD ELEVATION —.—.— — FIRE LINE REAL r inrl c°'�uw� INV INVERT — SANITARY LATERAL 7.7.7.7.7.7.7.7.7.7. — LIMITS OF DISTURBANCE AMERCO REAL ESTATE COMPANY 2727 NORTH CENTRAL AVE PHOENIX, AZ 85004 P. (602) 263-6502 F. (602)-277-5824 2 PROJECT DESCRIPTION 5 LEGEND PROJECT MANAGER: SAMANTHA KEATING SAMANTHA_KEATI NG®UHAUL.COM CIVIL ENGINEER: ANDREW LASICH, P.E. SAMUEL JACOBY, CFM SAM—JACOBY®UHAUL.COM r:;yuirad by c4o•Ln c1rW{ra ruins rByuiro that tna sto n , s;st m cesigcsr ,i . ^zt during oonstrucrc,.;ham and spats: and ce . • a e r.:!:': �. pENR-FRCS ui�3 �t J ��'.. 3 1 16 1 181PROJECT TEAM 'u GENERAL NOTES: 1. THIS PLAN IS BASED ON TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY J.F. CAIN & ASSOC TEL. # (910)-648-4509, DATED JULY 2012. REVISIONS: s z 1 1 1 1 1 1 1 1 I I I I I I I I PROFESSIONAL SEAL: "-%A CA/2p�� ., V711 = SEAL = - 29672 - ' :�I NE�•` G�:�` ARCHITECT LOGO: AMERCO REAL M"= C f#U%NY CONSTmmON DEPAR111ENT 2727 NORTH CENTRAL AVENUE PHOENIX, ARIZONA 85004 P: (602) 263-6502 F. (602) 277-1026 SITE ADDRESS: U-HAUL OF FAYETTEVILLE 2346 GILLESPIE STREET FAYETTEVILLE, NC SHEET CONTENTS: CIVIL TITLE SHEET 789029 DRAWN: SA Colo CHECKED: AML DATE: 4.5.13 789029—C 1.dwg 1 \�8DIS1 Mon stake 20' Public Right-of-way McINNIS STREET ---------------------------------------- a ! o? LC 2.42' --I' 1 g EXISTING BUILDING 1 8,484 SF t 2 9' 20.04' 2.13' 2 1 A .04' �• ! 13 EXISTING BUILDING 1 10,133 SF t 2.41' �. RIPRAP -SEE SHEETS C3.0 AND C4.1 FOR ADDITIONAL DETAIL N 75°12'38" E 857.45' _ _ _ _ TN co co of rq 88.66 21.83' 1 33.84' `D I OD PR CONC PR. CONC / o/�//�/ /_�//-'ill //, /�.'� �.',.� j/�� ♦ / 7/1 %i/ / 3' FLLtSH 327 SF 303 SF G EXISTING BUILDING CURB 11,942 SF t • o OPENING PROPOSED N 13.68' B 0 BUILDING S 14 FFE= 205.50 8,272 SF ± L PR. CONC 34 07' � 1,061 SF - ! Y v 20.42' C e 0� PR. ASPHALT o O1 3,843 SF N 6 (n R 47 E 9 gN 21.27' co m 1 PARCEL _436-C'-5C22 Y/ - j jj AME CO P;:aLES-ATE CO /� 1 7' -- E EXISTING BUILDING ?S z 62' 3,213 SF `72 ro 83.92' 75.26' 1 .43' °c3i 1 50' CTI CD ! Dry D / 9 7 ° TYP) 9.19, o PR. ASPHALT 17.19' cn 1 28,558 SF 4.97' r C 7.96' ��56 . t C 4 k � 1 . 1 PRO D OPY K PR OS NO ,539 f '00 F t 1 K 1 `r N 0Nj N N N 40 40 40'_ 1f� 0 95.38 h`2S 10' ��^^ I ! vJ /44 i P P 1: Q PROPOSED ft ! BUILDING FFE=208.00 11,608 SF ± / E / i N / ! JCA / - ---- --- 50' / 1 ♦ / 00 1 �. N 1� O) ^ O ! �7) Lo o o L ---- - - - ---_�_ _ S 5 W 520.05-_a�__�_ __-_ _----_--®® v / 80°30 S, ----- 31.05' PARCE_ 04 90-9378 S 76°49'11" W S 15°14'48" W AN `E MILLER 10, 9 70' Z �Ni� C3 1 I SITE PLAN 650 PSI FLEXURAL 5„ STRENGTH PORTLAND CEMENT CONCRETE COMPACTED CRUSHED 4 �-- ���`- STONE ' NON -YIELDING SUBGRADE ENT 2" T 8„ 1 SF9.5 MIX ASPHALT COMPACTED CRUSHED STONE NON -YIELDING SUBGRADE R I ASPHALT PVMT SECTION 12°---1 R-1/4" SURFACE MATERIAL &DEPTH PER PLAN 77 18 >F Xx `4:i. AGGREGATE BASE COURSE S IVERTICAL CURB 0' 40' -10' 10' 80' SCALE: 1 "=40' BUILT UPON AREA (BUA CALCULATIONS: PROPOSED BUA ANALYSIS TOTAL AREA 281,767 35,142 114,223 LANDSCAPED 20,154 12,732 30,618 AREA PR. STRUCTURES 46,547 8,272 11,608 PR. PAVED AREAS 40,955 667 9,085 EXISTING BUA 174,111 13,471 62,912 TO REMAIN TOTAL PROPOSED 261,613 22,410 83,605 BUA EXISTING BUA ANALYSIS TOTAL AREA 281,767 35,142 114,223 EX. PERVIOUS 35,934 4,111 33,597 EX. BUA 245,833 31,031 80,626 EX. BUILDING 20,171 6,369 7,224 EX. PAVEMENT 35,449 7,101 52,559 EX. GRAVEL 188,170 17,561 16,440 EX. WALK 2,043 0 4,403 BUA ANALYSIS GENERAL NOTES: 1. ALL GRADES SHOWN ARE PAVEMENT/GROUND GRADES UNLESS NOTED. 2. FOR EXACT BUILDING DIMENSIONS, SEE ARCHITECTURAL PLANS. 3. UNLESS OTHERWISE NOTED THE TOP OF CURB IS 0.50' HIGHER THAN THE ADJACENT FLOWLINE (FL) OF THE GUTTER OR PAVEMENT (P) ELEVATIONS SHOWN. 4. THE UNDERGROUND UTILITY INFORMATION AS SHOWN HEREON IS BASED, IN PART, UPON INFORMATION FURNISHED BY UTILITY COMPANIES AND THE LOCAL MUNICIPALITY. WHILE THIS INFORMATION IS BELIEVED TO BE RELIABLE, ITS ACCURACY AND COMPLETENESS CANNOT BE GUARANTEED NOR CERTIFIED TO. KEYED NOTES: L. CONSTRUCT LANDSCAPED AREAS (DESIGN BY OTHERS) M. CONSTRUCT INFILTRATION BMP, A. EXISTING ASPHALT SEE SHEET C4-2 FOR DETAILS B. EXISTING BUILDING N. CONSTRUCT NEW BUILDING (BY C. EXISTING PAVEMENT MARKINGS OTHERS) D. EXISTING ACCESSIBLE PARKING 0. (NOT USED) E. EXISTING CONCRETE/SIDEWALK P. CONSTRUCT CANOPY OVER F. EXISTING LANDSCAPING TO GRAVEL SURFACE (BY OTHERS) REMAIN G. CONSTRUCT CONCRETE Q. CONSTRUCT PAVEMENT H. CONSTRUCT CONCRETE LOADING DOCK R. MARKINGS CONSTRUCT ASPHALT /b(305' CURB AT TRUCK I. (NOT USED) S. CONSTRUCT , µfa J. CONSTRUCT RETAINING WALL WELL c� (DESIGN BY OTHERS) K. COMPACTED GRAVEL SURFACE TO REMAIN GENERAL NOTES: 1. THIS PLAN IS BASED ON TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY J.F. CAIN & ASSOC TEL. # (910)-648-4509, DATED JULY 2012. REVISIONS: W O I I I I I I I I z I I I I I I I I _ N t7 ; f0 Il w PROFESSIONAL SEAL: ,,`'N CA&oZ',,, = SEAL = 29672 •'.�1G I NEED: ;G2` �� M � ARCHITECT LOGO: AMERCO° REAL %I= OQMPANY CONSMUCTION DEPARTMENT 2727 NORTH CENTRAL AVENUE PHOENDX ARIZONA 85004 P: (602) 263-6502 F: (602) 277-1026 SITE ADDRESS: U-HAUL OF FAYETTEVILLE 2346 GILLESPIE STREET FAYETTEVILLE, NC SHEET CONTENTS: CIVIL SITE PLAN 789029 cl 10 E789029-c'l.dwg u exWna ° (M W x is m (�4 ii z Q a O U rr, GENERAL NOTES: 1. THIS PLAN IS BASED ON TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY J.F. CAIN & ASSOC TEL. # (910)-648-4509, DATED JULY 2012. REVISIONS: C z I I I 1 1 1 1 1 z I I I I I I I I w r� a Ln co n w PROFESSIONAL SEAL: '9 - SEAL - - 29672 - �ftN M U�S i3 ARCHITECT LOGO: AMERCO. RFAL W= oaI>► T•TY CONSTRUCTION DEPARTMENT 2727 NORTH CENTRAL AVENUE PHOENIX, ARIZONA TiW P: (602) 263-6502 F: (602) 277-1026 SITE ADDRESS: U-HAUL OF FAYETTEVILLE 2346 GILLESPIE ST. FAYETTEVILLE, NC SHEET CONTENTS: GRADING PLAN (1 OF 2) 789029 DRAWN: $ J J C260 CHECKED: AML DATE: 4.5.13 789029—C2.dwg GENERAL NOTES: 1. THIS PLAN IS BASED ON TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY J.F. CAIN & ASSOC TEL. # (910)-648-4509, DATED JULY 2012. REVISIONS: CE z I I I I I I I I z I I I I I I I I Z j j w j n j d j Ln j (0 j n j w PROFESSIONAL SEAL: - SEAL - - 29672 - :`rAGINE�`�G�:` Ni LP ` yl�l�3 ARCHITECT LOGO: AMERCOo PMALCMIMNY CONSTRUCTION DEPARTMENT 2727 NORTH CENTRAL AVENUE PHOENIX, ARIZONA 85004 P: (602) 263-6502 F. (602) 277-1026 SITE ADDRESS: U-HAUL OF FAYETTEVILLE 2346 GILLESPIE ST. FAYETTEVILLE, NC SHEET CONTENTS: GRADING PLAN (2 OF 2) 789029 DRAWN: sii 2,1 CHECKED: AML DATE: 4.5.13 789029—C2-1.dwg -- GL MCINNIS STREET 20' Public Right-of-way 10 01 SEQUENCE OF EROSION & SEDIMENTATION CONTROL OPERATIONS: ENFORCEMENT NOTE 1. FAILURE TO FOLLOW THIS CONSTRUCTION SEQUENCE MAY RESULT IN LOCAL ENFORCEMENT ACTIONS, INCLUDING BUT NOT LIMITED TO CIVIL PENALTIES TO MONETARY PER VIOLATION PER DAY, INJUNCTIVE RELIEF, CRIMINAL PENALTIES, AND PERMIT REVOCATION. ADDITIONALLY, OFF -SITE SEDIMENTATION MAY RESULT IN RESTORATION REQUIREMENTS. ENFORCEMENT NOTE 2. IF THE CUMBERLAND COUNTY AND/OR STATE STAFF DETERMINES THAT EXCESSIVE SEDIMENT IS LEAVING THE SITE, A REVISED SEDIMENTATION AND EROSION CONTROL PLAN MAY BE REQUIRED, WITH ASSOCIATED REQUIREMENTS FOR ADDITIONAL S&E MEASURES. CONSTRUCTION SEQUENCE 1. SCHEDULE AND HOLD A PRE -CONSTRUCTION CONFERENCE PRIOR TO BEGINNING ANY LAND -DISTURBING ACTIVITIES. THIS CONFERENCE SHOULD BE ATTENDED BY A REPRESENTATIVE OF THE FINANCIALLY RESPONSIBLE PARTY AND/OR THE GENERAL CONTRACTOR, GRADING SUB -CONTRACTOR, EROSION CONTROL SUB -CONTRACTOR AND, AS NEEDED, COUNTY STAFF. 2. OBTAIN LAND DISTURBING PERMIT AND PLACARD, AND POST THE PLACARD ON SITE. 3. OBTAIN AN APPROVED (STAMPED) S&E CONTROL PLAN AND KEEP IT ON SITE, EITHER IN THE INSPECTION BOX, CONSTRUCTION OFFICE OR WITH THE CONTRACTOR Tr\IMMMA M, �Ml\IP'\,T TM AM "F4 _ z / Ik �_Iz _177 -011111111 PS r7// 16//i ♦ 3ED CHECK DAM USED TO DEFINE ^� VG FOREBAY • / �`� �`� 5.50 / C CID • OQ / O °Nhalt ��C �J - -- / C Jf ♦ '\ i • 4. INSTALL CONSTRUCTION EGRESS/EXIT, SILT FENCING, SEDIMENT TRAPS/BASINS, DIVERSION DITCHES, CHECK DAMS, AND OTHER INITIAL EROSION CONTROL MEASURES AS SPECIFIED IN THE PLAN. REMOVE ONLY TREES AND GROUND COVER NECESSARY TO INSTALL THESE DEVICES. 5. IF A STOCKPILE IS NECESSARY DUE TO EXCAVATION OF THE SEDIMENT TRAP/BASIN, PLACE A DOUBLE ROW OF SILT FENCE 10 FEET APART AT THE LIMITS OF THE STOCKPILE AREA SHOWN ON THIS PLAN. TREES AND GROUNDCOVER MAY BE REMOVED ONLY AS NECESSARY FOR THIS STOCKPILE. 6. PROVIDE TEMPORARY GROUNDCOVER FOR DIVERSION DITCHES AND SEDIMENT TRAPS/BASINS, AND STABILIZE WITHIN 7 DAYS OF COMPLETION. 7. THERE ARE NO HIGH QUALITY WATER (HQW) ZONES WITHIN THE PROJECT LIMITS. 8. BEGIN CLEARING, GRUBBING AND GRADING OF SITE IN ACCORDANCE WITH THE APPROVED S&E CONTROL PLAN. 9. PROVIDE ALL DISTURBED AREAS WITH GROUND COVER WITHIN 14 CALENDAR DAYS AFTER COMPLETION OF ANY PHASE OF CLEARING, GRUBBING OR GRADING. THE SEEDING, SEEDBED PREPARATION, MULCH AND/OR ROLLED EROSION CONTROL PRODUCT INSTALLATION MUST BE IN ACCORDANCE PROVIDED IN THE EROSION CONTROL PLAN. 9.1. ALL SLOPES STEEPER THAN 3HA V SHALL BE STABILIZED WITHIN 7 DAYS UNLESS SLOPE LENGTH IS 10 FEET OR LESS AND ARE NOT STEEPER THAN 2H:1V, THAN 14 DAYS ARE ALLOWED. 9.2. ALL SLOPES 3:1 OR FLATTER SHALL BE STABILIZED WITHIN 14 DAYS, UNLESS THE SLOPE LENGTH IS GREATER THAN 50 FEET THAN 7 DAYS ARE ALLOWED. 10. AT THE CONCLUSION OF BUILDING OR IF LAND -DISTURBING ACTIVITY IS STOPPED FOR MORE THAN 14 CONSECUTIVE CALENDAR DAYS, PERMANENT VEGETATIVE COVER SHALL BE INSTALLED IN ACCORDANCE WITH THIS EROSION CONTROL PLAN. ♦ / ����� �`b � / 'ov�T Q� • /CO S 80036'55" W 31.05' S 15014'48" W 9.70' 0 LEGEND: 1. MINOR REGRADING / GRAVEL RESURFACING REFER TO NORTH CAROLINA EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL & PROJECT SPECIFIC EROSION AND SEDIMENTATION CONTROL PLAN FOR DETAILS, SPECIFICATIONS, AND MAINTENANCE REQUIREMENTS SCE TEMPORARY GRAVEL STABILIZED CONSTRUCTION ENTRANCE/EXIT LS LEVEL SPREADER ------ GL (EXISTING) GRASS LINED CHANEL °°A CD CHECK DAMS OSS OUTLET STABILIZATION (RIPRAP) SF SEDIMENT FENCE IP TEMPORARY BLOCK & GRAVEL INLET PROTECTION ST TEMPORARY SEDIMENT TRAP/ 000 INFILTRATION BASIN 000 RP ROCK PIPE INLET PROTECTION PB POROUS BAFFLES RR RIPRAP (SLOPE) TS7 TEMPORARY SEEDING (W/IN 7 DAYS) TS TEMPORARY SEEDING (W/IN 14 DAYS) (ALL OTHER AREAS) ® PS PERMANENT SEEDING LIMITS OF LAND DISTURBANCE --- PROPERTY LINE EXISTING CONTOUR -is2 PROPOSED CONTOUR COMPACTED GRAVEL SURFACE PROPOSED ASPHALT SURFACE ";. OPEN-AIR INFILTRATION SURFACE 11. REMOVE ALL EROSION CONTROL MEASURES AFTER THE CUMBERLAND COUNTY S&E OFFICE APPROVAL OF PERMANENT STABILIZATION (OR PERMITTING AUTHORITY). 12. NOTES FOR INFILTRATION AREAS 12.1. REFER TO SHEET C4.1 FOR INFILTRATION BASIN MAINTENANCE PROCEDURES 12.2. CONTRACTOR SHALL EXERCISE CARE TO LIMIT SEDIMENT LADEN RUNOFF TO INFILTRATION DEVICES. 12.3. OPEN-AIR INFILTRATION DEVICES MAY BE UTILIZED FOR SEDIMENTATION CONTROL DURING CONSTRUCTION 12.4. IF OPEN-AIR INFILTRATION IS TO BE UTILIZED FOR SEDIMENT CONTROL DURING CONSTRUCTION, ACCUMULATED SEDIMENT SHALL BE REMOVED TO EXPOSE NATIVE SOILS PRIOR TO INSTALLATION OF SAND BOTTOM. 12.5. CONTRACTOR SHALL EXERCISE CARE TO LIMIT SEDIMENT LADEN RUNOFF TO INFILTRATION DEVICES. 12.6. COMPLETION OF INFILTRATION AREAS (PLACEMENT OF SAND BOTTOM FOR OPEN-AIR BASINS, OR PLACEMENT OF AGGREGATES AND PAVERS FOR POROUS PAVER AREAS) SHALL ONLY TAKE PLACE AFTER UPLAND CONTRIBUTING AREAS ARE STABILIZED. FLOW PROFILE VIEW EROSION & SEDIMENTATION CONTROL INSPECTIONS: INSPECTIONS SHALL BE MADE BY CONTRACTOR AND CONFORM WITH STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT TO DISCHARGE STORMWATER UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM FOR CONSTRUCTION ACTIVITIES. IN GENERAL, AND AT A MINIMUM, THE CONTRACTOR SHALL: 1. INSTALL AND MAINTAIN A RAIN GAUGE IN GOOD WORKING ORDER ON THE SITE. 2. MAINTAIN A WRITTEN RECORD OF DAILY RAINFALL EVENTS AND INSPECTIONS. UPON REQUEST, RECORDS SHALL BE MADE AVAILABLE TO THE DIVISION OF WATER QUALITY. 3. IF NO RAINFALL HAS OCCURRED, THE CONTRACTOR/INSPECTOR/PERMITTEE MUST RECORD "ZERO" 4. EROSION AND SEDIMENT CONTROL MEASURES SHALL BE INSPECTED TO ENSURE THAT THEY ARE OPERATING CORRECTLY. 5. AT A MINIMUM, INSPECTION SHALL BE MADE: 5.1. AT LEAST ONCE EVERY SEVEN (7) CALENDAR DAYS 5.2. WITHIN 24 HOURS AFTER ANY RAINFALL/STORM EVENT OF GREATER THAN 0.50 INCHES, PER 24 HOURS. 6. WITHIN TWENTY-FOUR (24) HOURS, REPORT TO THE DIVISION OF WATER QUALITY OR APPROPRIATE REGIONAL OFFICE/DEPARTMENT, ANY VISIBLE SEDIMENT LEAVING THE SITE, DEPOSITED IN ANY STREAM OR WETLAND, OR ANY NONCOMPLIANCE THAT MAY ENDANGER THE ENVIRONMENT. 6.1. A WRITTEN SUBMISSION OF THE SAME SHALL BE MADE TOT HE APPROPRIATE REGIONAL OFFICE OF THE DIVISION OF WATER QUALITY WITHIN 5 DAYS OF VIOLATION. THE WRITTEN SUBMISSION SHALL CONTAIN A BRIEF DESCRIPTION OF THE SEDIMENT DEPOSITION AS WELL AS ACTIONS TO ADDRESS THE CAUSE OF DEPOSITION. 7. MAKE AVAILABLE AT ALL NORMAL WORKING HOURS, RECORDS FOR THE PREVIOUS 30 DAYS. RECORDS OLDER THAN 30 DAYS SHALL BE BE TRANSFERRED TO THE OWNER FOR MAINTENANCE FOR A PERIOD OF THREE (3) YEARS FOLLOWING PROJECT COMPLETION. THE INSPECTION RECORDS SHALL CONTAIN, AT A MINIMUM: 1. CONTROL MEASURE INSPECTIONS: 1.1. MEASURES INSPECTED 1.2. DATE, TIME 1.3. NAME OF INSPECTOR 1.4. OPERATION/CONDITION OF MEASURE 1.5. CORRECTIVE ACTIONS RECOMMENDED/TAKEDN 1.6. DATE ACTION WAS TAKEN 2. STORMWATER DISCHARGE INSPECTIONS: 2.1. OUTFALL IDENTIFICATION 2.2. DATE, TIME 2.3. NAME OF INSPECTOR 2.4. NATURE OF POLLUTANT (IF ANY), E.G. OIL SHEEN, FLOATING SOLIDS, DISCOLORATION, ETC 2.5. INDICATION OF SEDIMENT LEAVING THE SITE 2.6. CORRECTIVE ACTIONS RECOMMENDED/TAKEN 2.7. DATE ACTION TAKEN 3. OFF -SITE INSPECTIONS: 3.1. INSPECTION OF VISIBLE SEDIMENT OUTSIDE PROJECT/SITE LIMITS. 3.2. EXPLANATION OF ACTIONS TAKEN TO CURB FUTURE RELEASE 3.3. DATE ACTION TAKEN. 3.4. INSPECTION OF WETLANDS, STREAMS, WATER COURSES - INCLUDE DETERMINATION OF WHETHER SEDIMENTATION HAS OCCURRED. MAINTENANCE PLAN: 1. REFER TO SHEET C4.1 FOR INFILTRATION BASIN MAINTENANCE PROCEDURES 2. THE SEDIMENT BASIN WILL BE CLEANED OUT WHEN THE LEVEL OF SEDIMENT REACHES 1.0 FOOT BELOW THE CULVERT INVERT. GRAVEL WILL BE CLEANED OR REPLACED WHEN THE SEDIMENT POOL LONGER DRAINS PROPERLY. 3. SEDIMENT WILL BE REMOVED FROM THE BLOCK AND GRAVEL INLET PROTECTION DEVICES WHEN STORAGE CAPACITY HAS BEEN APPROXIMATELY 50% FILLED. GRAVEL WILL BE CLEANED OR REPLACED WHEN THE SEDIMENT POOL NO LONGER DRAINS PROPERLY. 4. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES ABOUT 0.5 FEET DEEP AT THE FENCE. THE SEDIMENT FENCE WILL BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER. 5. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND MULCHED ACCORDING TO SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER. 6. RESPONSIBLE PARTY: 6.1. CONTRACTOR WILL BE RESPONSIBLE FOR MAINTENANCE. 6.2. NO LAND DISTURBANCE TO OCCUR UNTIL GRADING/EROSION CONTROL PERMIT IS RECEIVED OUTLET NAME PIPE SIZE Do LA W Dso T 1 4' 4"' 6 6 2.3 3 A I OUTLET STABILIZATION N.T.S. 6.3. CONTRACTOR CONTACT INFORMATION Hunter Brown c/o Benchmark Buildings and Irrigation, Inc. PO Box 68 508 West Broad St Murfreesboro, NC 27855 252.398.3116 office 252.398.7099 cell 6.3. CONTRACTOR CONTACT INFORMATION SUBJECT TO CHANGE. UPDATED INFORMATION SHALL BE SUBMITTED TO OWNER AND ATTACHED TO THIS PLAN (FIELD COPY) AS NEEDED. } Z Q w _I Q V) W J w O 0' 40' Of w -10' 10' 80' Q M SCALE: 1 "=40' ' N GENERAL NOTES: 1. THIS PLAN IS BASED ON TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY J.F. CAIN & ASSOC TEL. # (910)-648-4509, DATED JULY 2012. REVISIONS: W 0 I I I I 1 1 z 1 1 I I I I I I I I N M qt in ca t� W PROFESSIONAL SEAL: CAR 04�y9,; O� N - SEAL - = 29672 = ARCHITECT LOGO: AMERCCa REAL %I= COMPANY CONSIRl1C" DEPARTMENT 2727 NORM CENTRAL AVENUE PHOENIX ARIZONA 85004 P: (602) 263-6502 F. (602) 277-1026 SITE ADDRESS: U-HAUL OF FAYETTEVILLE 2346 GILLESPIE ST. FAYETTEVILLE, NC SHEET CONTENTS: EROSION AND SEDIMENT CONTROL PLAN 789029 DRAWN: SJJ C3,0 CHECKED: AM L DATE: 4.5.13 789029-C3.dwg ARCH expend 0 Debris from slope above is caught by steps. Drainage 4 Greater ------- ► than vertical t 11111=�IlTll 2-3' (depending on material) Figure 6.03b Stair stepping cut slopes (modified from Va SWCC). G ro alor in tt and Figure 6.03c Grooving slopes (modified from Va SWCC). Figure 6.03a Bulldozer treads create grooves perpendicular to the slope. The slope face should not be back -bladed during the final grading operation (source: Va StAi A I GRADING PRACTICES Table 6.15b zes for Riprap and Erosion Control Stone Specified by the N.C. Department of Transportation xl rn o al 39 N a 37 `6 35 d 0 Q 33 1 Cut steps with drainage to the back. Avoid low spots. 6.03.3 6.03.1 Riprap Erosion Control Class Class Class Class 1 2 A B 5 to 200 lb 25 to 250 lb 2" to 6" 5" to 15" 30% shall 60% shall weigh a weigh a minimum of 60 minimum of 100 Ibs each lb each No more than No more than 10% tolerance 10% shall 5% shall weigh top and bottom weigh less than less than 50 lb sizes 15lb each each Equally Equally distributed, distributed, no gradation no gradation specified specified source: North Carolina Aggregates Association Mean Stone Size d5o, ft Mean Stone Size, d5o, mm Figure 6.15a Angie of repose for different rock shapes and sizes. Adapted from: FH WA, HEC-15, pg. 49 - April 1968 B RIPRAP (SLOPE STABILIZATION i ARCH CM e„w"d o (3500: 24.00 Ntlres), I i. • • I' I •.i.�1• •• .�' • •• •!i• •:III f/:iI 1•�•�� � ..i. ♦ •il::.•. Temporary sediment Pool � ----- 1min 2' max Wirescreen r-Dewatering ` Sediment Figure 6.52a Block and gravel drop inlet protected. Temporary sediment pool 1' min 21 slope 2' max —0. Fine gravel=I)III=II face (1 , min III= 3 thickness) stone Figure 6.52b Gravel drop inlet protection (gravel donut). 3:1 slope t� 1 C I INLET PROTECTION Flow A 16" tearer \ Drop inlet with grate Wire mesh (optional) Natural Riprop Headwall, 1' min height from road shoulder Figure 6.55a Rock pipe inlet protection plan view and cross-section view D PIPE INLET PROTECTION coarse aggregate Figure 6.06a Gravel entrance/exit keeps sediment from leaving the construction site (modified from Va SWCC). E I STABIL. CONSTR. ENTRANCE �2 Cross -Section View IZW Steel post 24" Figure 6.62a Installation detail of a sediment fence. The Slicing Method Pending height POST SPACING', max 24' 6.' max . on open ri 4' max on Codling areas Aftedh tohne to Upstream side of post FLOW Drive over each side of silt PM DPPTH' fence 2 to a times with 2 feet device exerting 60 ps.l. or greater om patted soil �,.. omparted soil Vj�/- No more than 24" of 36' fabric is allowed above ground. t— Operation or Natural ground 6" down 6 4' forward along the trench Filter fabric Cross -Section View Filter fabric aatrench Natural r/ andnd co compact ground thoroughly —'mi�•a /c Ups min - ------- Top of Fabric16 - Belt op 8" j Diagonal attachment doubles rnengm. ATTACHNIENI DETAILS: • Gamer fabric of posts, if needed. • Utilize three ties per post, oil within tap War fabric. • Position each he diagonally, puncturing holes vertically a minimum of 1• apart. Is Hang each fie and post nipple and tighten securely. Use cable ties (51 or soft wire. Roll of silt fence Post r installed after compaction o Fabric O above / ground Sin Fence In Horizontal chisel point Slicing blade _3" width _ t1) 1 0.7"., .1 Widihi Completed installation Vibratory plow is not acceptable because of horizontal compaction Figure 6.62b Schematics for using the slicing method to install a sediment fence. Adapted from Silt Fence that Works F I SEDIMENT FENCE L = The distance such that points A and B are of equal elevation Figure 6.83a Space check dams in a channel so that the crest of downstream dam is at elevation of the too of upstream dam. 9" min Plan View G I CHECK DAM ntrer uo n 1.5' min. h Outlet, Class I riprap area area Inlet Zone of surface area area Figure 6.65c Example of porous baffle using silt fence with slits cut in each alternating space of wire backing fence. (City of High Point, NO detail.) Figure 6.65a Porous baffles in a sediment basin. The flow is distributed evenly across the basin to reduce flow rates and turbulence, resulting in greater sediment retention. Baffles need to be installed correctly in order fully provide their benefits. Refer to Figure 6.65b and the following key points: • The baffle material needs to be secured at the bottom and sides using staples or by trenching as for silt fence. • Most of the sediment will accumulate in the first bay, so this should be readily accessible for maintenance. Support rope Support post, to wire to pre- 24"into bottom Stake to support vent sagging or side Coin mesh or similar, stapled or trenched into bottom or side Figure 6.65b Cross-section of a porous baffle in a sediment basin. Note that there is no weir because the water flows through the baffle material. Figure 6.65d Example of porous baffles made of 700 g/m� pair erosion blanket as viewed from the inlet. H POROUS BAFFLES NOTES 1. FOR SEDIMENT TRAP / INFILTRATION BASIN DETAILS, SEE SHEET C4.1 2. FOR OULET STABILIZATION DETAILS, SEE SHEET C3.0 r Z a a 0 0 W Q N W J Q W of 0 U W Q 0 N MW GENERAL NOTES: REVISIONS: z I I I I I I I I z I I I I I I I I N rn •- un 0 r- ao PROFESSIONAL SEAL: x`0,M tnr,fi.. �N CAROCi , SS I4�;-..� SEAL is 29672 . M VIill 3 ARCHITECT LOGO: AMERCO RFAL a•7J[1in <A.<taCAN CONSTRUCTION DEPARTMENT 2727 NORTH CENTRAL AVENUE PHOENIX, ARIZONA 85004 P: (602) 263-6502 F: (602) 277-1026 SITE ADDRESS: l HAUL OF FAYETTEVILLE 2346 GILLESPIE ST. FAYETTEVILLE, NC SHEET CONTENTS: EROSION AND SEDIMENT CONTROL DETAILS 789029 DRAWN: SJJ C3,1 CHECKED: AML DATE: 4.5.13 789029—C3.dwg z Q a- m O C) W Q F- W J Q W O C) of W Q M 0 N O u GENERAL NOTES: 1. THIS PLAN IS BASED ON TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY J.F. CAIN & ASSOC TEL. # (910)-648-4509, DATED JULY 2012. REVISIONS: W z 11 1 1 1 1 1 1 z W I I I I I I I I N M a L(o n m PROFESSIONAL SEAL• 0<� ', ELF �0 :oFEssipt9.• ly - SEAL - 29672 - •'• INEED: ;ri YI I ARCHITECT LOGO: AMERCCa REAL Wn aT � CONSTRUCWN DEPARTMENT 2727 NORM CENTRAL AVENUE PNOE K ARIZONA 85004 P: (602) 263-6502 F: (602) 277-1026 SITE ADDRESS: U-HAUL OF FAYETTEVILLE 2346 GILLESPIE ST. FAYETTEVILLE, NC SHEET CONTENTS: EXISTING DRAINAGE MAP 789029 DRAWN: sii C410 CHECKED: AML DATE: 4.5.13 789029—C4.dwg END ANALYSIS EL 201.0 -- - L2 = 158 LF LTOT - 258 LF E CHECK DAM J TO DEFINE FOREBAY x A v PROPOSED TOT BUILDING I ,t ' FEE= 205,50 8,272 SF ± END ANALYSIS / Y EL 198.9 L2=416LF _< LTOT = 516 LF ,'♦ ®� o5 U 2 s� 0 o \ AREA 1 AREA: 6.47 AC r Ex.IMP: 87.2% I' i PARCEL0436-01-5023 A VOL: 1,183.5 CIE AMERCO REAL EST,-TE CO. 4 ZONING: GP`��'� u ol o END SHEET FLOW EL 206.0 BEGIN SHALLOW CONC. FLOW (UNPAVED) - Ll = 100 LF (1 / 2 Salt `..Y2- - A snha AREA 2 AREA: 0.81 AC -_ _.-._� *♦� ExAMP: 88.3% Pr.IMP: 63.8% A VOL: -646.6 CIE ® � ■0jjRW W9j?iiit9ia0Pji41WWmig W9h s m ®�I► II n C6'G3 i Asphalt END ANALYSIS EL 203.8 L4 - 186 LF BEGIN ANALYSIS 00 ^ SHEET FLOW EL 206.6 o >> �PD _ �J -- �c LTOT = 417 LF ' >\ co, I AREA 3 AREA: 2.62 AC rn EX.IMP. 70.6% Pr.IMP: 73.2% Y v' ffi A VOL: 223 CF a� 20 rt END SHEET FLOW 4 EL 207.85 � BEGIN SHALLOW ;rt CONC. FLOW (UNPAVED) x L1 = 100 LF ' r f 20 i a Y a F.o. > 25 0. 5 PARCE- 042E-90-9378 ANNE- E M 'HILLER ZDNING C3 1 AREA 11211 INFILTRATION BASIN 210 PROPOSED PROPOSEDSBUIDTING FLOOR BOTTOM OF INFILTRATION BASIN 205 TOP OF BERM PR. SURFACE EX. SURFACE 200 4" SAND LESS THAN 15' RECOM'D 10, FOUNDATION (BY OTHERS) TO BE DESIGNED ACCORDINGLY PROP. LINE 195 - - - APPROX. GRO NDWATER (108" BELOW SURFACE) 190- - - A AREA 112" INFILTRATION BASIN HORIZ: 1 "=20', VERT: 1 "=5' (M.W. um mmg7, m BEGIN ANALYSIS SHEET FLOW EL 208.05 PROPOSED / BUILDING FFE=208.00 11,608 SF ± I x BEGIN ANALYSIS SHEET FLOW / EL 209.25 S 80036'55" W 31.05' S 15014'48" W 9.70' 1 J.S 1 # 71 # 3 141 co, o co _,. cv v i v C? IMPORTANT BMP MAINTENANCE BEGIN SHALLOW CONC. PROCEDURES: FLOW (UNPAVED) EL 205.0 1-3 = 49 LF 1. THE DRAINAGE AREA WILL BE CAREFULLY MANAGED TO REDUCE BEGIN SHALLOW CONC. FLOW (PAVED) EL 205.9 L2 = 82 LF ENTIRE SITE AREA: 9.90 AC Ex.IMP: 82.9% ArVOL_ 85 CF END SHEET FLOW EL 206.75 BEGIN SHALLOW CONC. FLOW (UNPAVED) L1 = 100 LF 210 RIPRAP LINED SLOPE (SEE EROSION PLANS) EX. SURFACE DOWNSTREAM OF SPILLWAY MATCH EXISTING GRADE PR. SURFACE (ASPHALT SURFACE) TOP OF BERM EL. 203.70 BOTTOM OF INFILTRATION BASIN 201.00 205 SPILLWAY/LEVEL SPREADER EL 203.20 1" RAINFALL WSEL 201-77 _ _ -- -- -- SED. TRAP OUTLET 4" I.E. 202.50 BOTTOM OF SED TRAP 201.5 (PLUG WHEN CONSTRUCTION FINISHED) (MAX SEDIMENT = 202.0gL - - 200® I- SED. TRAP OUTLET 4" I.E. 200.50 4" SAND (PLUG WHEN CONSTRUCTION FINISHED) EX. SURFACE AT CULVERT OUTLET 195 -�APPROX. GROUNDWATER (108" BELOW SURFACE) - ** INSTALL POROUS BAFFLES DURING _CONSTRUCTION 190 ** INSTALL CHECK DAM PER PLAN TO DEFINE FOREBAY (MAX/AVG HEIGHT 1.0') IN INFILTRATION BASIN B AREA 112" INFILTRATION BASIN HORIZ: 1"=20', VERT: 1"=5' THE SEDIMENT LOAD TO THE INFILTRATION BASIN. 2. IMMEDIATELY AFTER THE INFILTRATION BASIN IS ESTABLISHED, THE VEGETATION WILL BE WATERED TWICE WEEKLY IF NEEDED UNTIL THE PLANTS BECOME ESTABLISHED (COMMONLY SIX WEEKS). 3. NO PORTION OF THE INFILTRATION BASIN WILL BE FERTILIZED AFTER THE INITIAL FERTILIZATION THAT IS REQUIRED TO ESTABLISH THE VEGETATION. 4. THE VEGETATION IN AND AROUND THE BASIN WILL BE MAINTAINED AT A HEIGHT OF APPROXIMATELY SIX INCHES. CONSTRUCTION NOTES: 1. SEE EROSION PLAN FOR INFILTRATION BASIN DETAILS DURING CONSTRUCTION (USED AS SEDIMENT TRAP) 2. SEDIMENT TRAP BOTTOM EL. 201.50 3. INFILTRATION BASIN BOTTOM (TOP OF 4" SAND) EL. 201.00 SCALE: 1 "=40' 0' 40' -10' 10' 80' r z Q a_ O 0 w Q H V) w W w O 0 0' w Q r� 0 C14 x GENERAL NOTES: 1. THIS PLAN IS BASED ON TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY J.F. CAIN & ASSOC TEL. # (910)-648-4509, DATED JULY 2012. REVISIONS: W O I I I I I I I I I I I I I I I I CV M d' (O r w PROFESSIONAL SEAL: ,,,,,' •�oFEss RO<�'iy,,, - SEAL = - 29672 - ARCHITECT LOGO: AMERCCa REAL HSIIM COMPANY CONSTRUCTION DEPARTMENT 2727 NORTH CENTRAL AVENUE PHOENIX, ARIZONA 85004 P: (602) 263-6502 F: (602) 277-1026 SITE ADDRESS: U-HAUL OF FAYETTEVILLE 2346 GILLESPIE ST. FAYETTEVILLE, NC SHEET CONTENTS: PROPOSED DRAINAGE MAP 789029 DRAWN: SJJ C4-1 CHECKED: AML DATE: 4.5.13 789029-C4-1.dwg °UndIron _ _ - — - - ---------- — - - -- - - -_ - -- Slake M I N N I S STREET 20' Public Right-ot-way N 75012'38" E 857.45' — — . LIMITS OF DISTURBANCE (TYP) INSTALL SANITARY SEWER — CLEANOUT AT BEND CONTRACTOR TO STUB SANITARY LATERAL FOR FUTURE CONNECTION TO RV DUMP STATION INSTALL SANITARY J� SEWER CLEANOUT CONTRACTOR TO STUB WATER J R% LATERAL FOR FUTURE CONNECTION w S TO RV DUMP STATION \ W\ TY\ S W PROVIDE WATER LATERAL TEE X INSTALL SANITARY x SEWER CLEANOUT AT WYE 520.05' PARCEL 0426-90-9378 S 7604911" W ANNETTE M. MILLER ZONING C3 PROPOSED BUILDING FFE= 205.50 8,272 SF ± 3 h 3 3 3 \ w\ m r -; - As ,(� NI )1: CONTRACTOR TO STUB WATER LATERAL FOR FUTURE CONNECTION TO PROPOSED BUILDING CONTRACTOR TO STUB SANITARY LATERAL FOR FUTURE CONNECTION TO PROPOSED BUILDING PROPOSED BUILDING FFE=208.00 11,608 SF it O Asphalt Grao.. Gass j 00 / c O / p G / z // 44- Grass co co f / / X. INSTALL SANITARY SEWER CLEANOUT % CONNECT TO EXISTING SANITARY SEWER CONTRACTOR TO DETERMINE INVERT F m CONCRETE COLLAR GATE VALVE TOP WHEN NOT PLACED PLAN VIEW SECTION WITH LID IN ASPHALT OR SCH. 40 THREADED CONCRETE (TYP) CAP (TYP) =rrrn rrv'r rrrr, rrrr,7rrTTrrT)7......... T� 6' a SCH. 40 RISER 1 90' LONG SWEEP BEND —OR— WYE & 45' BEND A I CLEANOUT w S 80°36'55" W 31.05' S 15014'48" W i 9.70' CONTRACTOR TO LOCATE EXISTING WATER MAIN (WEST SIDE OF GILLESPIE STREET), WET i,TAP, INSTALL CORP STOP, CURB STOP, WATER METER AND BOX AS NECESSARY. � i r � '+o-ih arolirur , tarn designer ,ny un tuc':o ,ni rr+tiwith the S✓ 3��f�1( Jat�ZF/13 Ij 0' 30, —10' 10' 60, N.T.S. a O U LLJ Q H W J w 0_ O U Qf LLJ Q O N GENERAL NOTES: 1. THIS PLAN IS BASED ON TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY J.F. CAIN & ASSOC TEL. # (910)-648-4509, DATED JULY 2012. REVISIONS: 11 1 1 1 1 1 1 I I i I l i i I (V M In 1 t0 PROFESSIONAL SEAL: (N CARO;/,, SEAL = - 29672 = 9j�G I NE_ �: G3Z` ETNM P ` //T7' T/5 /L., ARCHITECT LOGO: AMERCO REAL mini CoNam NY CONStRucilON DEPARTMENT 2727 NORTH CENIRAL AVDK PHOENIX, ARIZONA 85004 P: (602) 263-6502 F: (602) 277-1026 SITE ADDRESS: U-HAUL OF FAYETTEVILLE 2346 GILLESPIE ST. FAYETTEVILLE, NC SHEET CONTENTS: WATER & SANITARY UTILITY PLAN 789029 DRAWN: SJJ C5,0 CHECKED: AML DATE: 4.5.13 789029—CS.dwg