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Home My WebLink AboutSW1240601_Plansheet - SCM Detail_20241001 (2) STORMWATER CONTROL MEASURE(SCM)NOTES: PRELIMINARY HINGE ONE QUADRANT FOR ANYWAY ACCESS 2"x 2"xY4"ALUMINUM PRIOR TO BEGINNING CONSTRUCTION,ANY DISCREPANCIES IN THE PLANS SHALL BE BROUGHT TO THE IMMEDIATE O.D. OF STRUCTURE ANGLES @ EACH CORNER NOT FOR CONSTRUCTION ATTENTION OF THE DESIGN ENGINEER FOR RESOLUTION. 2.' 4„ 3'MIN 5' - 1. ALL CONSTRUCTION TO BE IN ACCORDANCE VVITH ALL CURRENT TROUTMAN STANDARDS AND 5" = y"DIA.MTG.HOLES(12 2„ SPECIFICATIONS. (1 < a 2. THE GEOTECHNICAL ENGINEER SHALL EVALUATE SOILS FOR SUITABILITY OF DAM CONSTRUCTION AND SLOPE `1 REQUIRED)WITH%"ssr 5" WEDGE ANCHORS STABILITY. PROFESSIONAL CERTIFICATION OF EMBANKMENT CONSTRUCTION IS REQUIRED FOR AS-BUILT = CERTIFICATION. Z7S 5" 3. EMBANKMENT TO BE CONSTRUCTED PER THE FOLLOWING SPECIFICATIONS UNLESS SUPERSEDED BY a�F�� OR14 F y°x%HOR¢oNrALALUMINUM BARS 5^ GEOTECNICAL ENGINEER'S RECOMMENDATIONS: p p p p p p p p p FR ARE NOT SHOWN FOR CLARITY ACCESS OPENING • BORROW MATERIALS FOR USE AS EMBANKMENT FILL SHALL BE FREE OF ORGANICS,ROOTS AND OTHER 5" OPPOSITE HANDWHEEL WOODY VEGETATION OR ORGANIC DEBRIS.MATERIALS SHALL CONSIST OF SOILS WHICH CLASSIFY AS SC, 64" SM,CL,CL-CH AND ML IN ACCORDANCE WITH THE UNIFIED CLASSIFICATION SYSTEM OR AS APPROVED BY 5" 117— e THE GEOTECHNICAL ENGINEER WITH A MAXIMUM PARTICLE SIZE OF 3" OR LESS IN MEAN DIAMETER. 4" 5" FILL SHALL BE PLACED IN 8"(MAXIMUM)LOOSE LIFTS UNDER THE SUPERVISION OF THE GEOTECHNICAL SECTION"A-A" 2„ • ENGINEER.FILL SHALL BE BROUGHT UP BY BENCHING INTO THE EXISTING SLOPE.THE MAXIMUM HEIGHT 5" Y" ALUMINUM BARS OF 2 FEET SHALL BE USED FOR EACH BENCH LIFT TAKING CARE TO REMOVE ROOT STRUCTURES AS THE a SPAACECE D 5'O.C.@BASE FRAME 5" - FILL PROCEEDS.SURFACE OF EACH LIFT SHALL BE SCARIFIED PRIOR TO PLACEMENT OF THE NEXT LIFT IN 3 MIN ° ' Y'ALUMINUM PLATE FRAME ORDER TO EFFECTIVELY TIE THE FILL LIFTS TOGETHER. v _ d - = d 5� a (64"x 64"x 6"WIDE) • ALL COMPACTION SHALL BE TESTED BY THE SAND CONE METHOD(ASTM D-1566)OR NUCLEAR METHOD ° °- <d- A T. 2"x2"xX"ALUMINUM (ASTM D-6938) AT A RATE OF AT LEAST ONE TEST PER 5,000 SF PER ONE FOOT OF COMPACTED FILL FOREBAY FILTER DRAIN TYPICAL DETAIL -- a #4 REBAR 2„ ANGLES @EACH CORNER tN THICKNESS IN GENERAL AREA FILLS AND ONE TEST PER 50 LINEAL FEET PER LIFT ALONG THE BARREL.THE 4 -° a° MINIMUM COMPACTION SHOULD BE 95%OF THE MAXIMUM STANDARD PROCTOR DENSITY(ASTM D-698)AT BOTTOM WIDTH SHALL BE NO LESS THAN 5' d O RING `° MOISTURE CONTENTS VARYING FROM 2 PERCENT BELOW TO 3 PERCENT ABOVE OPTIMUM MOISTURE • USE NCDOT CLASS"B"RIP RAP TO FILL SPILLWAY 12" MIN : ° - 2° 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 2" CONTENT TO WITHIN 3FT OF THE FINAL GRADE. • SLOPES FROM SPILLWAY BOTTOM TO TOP OF BERM SHOULD BE NO STEEPER ALL SIDES- c CLASS III Q, 64" 5. EMBANKMENT AND SIDE SLOPES OF THE BASIN SHALL BE STABILIZED PER SEEDING SCHEDULE ON EROSION THAN 2:1 RCP - _ PLAN VIEW = N CONTROL DETAILS SHEET OR SODDED. • FOREBAY BERM SHALL BE 6"BELOW NORMAL POOL ELEVATOIN 6. DURING CONSTRUCTION,THE SCM IS TO BE USED AS AN EROSION CONTROL DEVICE.THE FOREBAY WILL NOT _ - --� a Q Q) BE REQUIRED WHILE SCM IS ACTING AS AN EROSION CONTROL DEVICE. ° c s"SQUARE m 7. ALL PERMANENT STRUCTURES(I.E.CONCRETE WEIR,OUTLET PIPES, ETC.)ARE TO BE INSTALLED WITH THE a zP° a Q a 3"SST'U'BOLT LIFT LUG � _ INITIAL DAM CONSTRUCTION. 9"x9"xy"AWMINUMTOPPLATE N A 2 � 8. CONTRACTOR TO PROVIDE SHOP DRAWINGS TO THE DESIGN ENGINEER FOR REVIEW AND APPROVAL PRIOR WITH SST 3"U BOLT LIFT LUG O c CD TO ORDERING STRUCTURES. 7" V o 9. ONCE THE SITE HAS BEEN STABILIZED, CONTRACTOR SHALL OBTAIN APPROVAL BY EROSION CONTROL Y2"xy"ALUMINUM BARS SPACED ca Uq 00 TOP OF FOREBAY BERM 6„ HORIZONTALLY AS SHOWN () Uq M 24 INSPECTOR IN ORDER TO REMOVE EROSION CONTROL DEVICES. _ _ _ 10. ONCE ALL SEDIMENT AND EROSION CONTROL DEVICES HAVE BEEN REMOVED,THE SCM SHALL BE CONVERTED TO A PERMANENT SCM. o STRUCTURE BASE L • ALL SEDIMENT SHALL BE REMOVED AND DISPOSED OF PROPERLY. j— _ _ AccaMMODArEs A4a"x4a°LD FOR Borth A6" x Z • INTERIOR SCM GRADING SHALL BE CONSTRUCTED PER THIS PLAN. ' III ?z O O O O O _ I— I I I- 5„ AND 8"WALL Q CD • SCM SHALL BE PLANTED PER PLANT SCHEDULE ON THIS SHEET. I I IIIII pRF �p� p p p p p- g 0e =III; =_a V� i Q Co • TROUTMAN REQUIRES FINAL CERTIFICATION OF SCM BY PROFESSIONAL ENGINEER. I I I I�TTFR = O =O ��p� I I I a J (� a) PRECAST CONCRETE MATERIALS PER PLAN 2 .� ¢' _rn U �B V 0 NOTE: SECTION VIEW IF MALL IS 8" SECTION VIEW 1. ALL PRECAST CONCRETE STRUCTURES SHALL CONFORM TO ASTM C913(RECTANGULAR)OR C478(ROUND). 5'MIN INSTALL VERTICAL DOWELS IN FOUNDATION CONCRETE AS SECTION VIEW IF WALL IS 66„ " N � z L c 2. ALL REINFORCED CONCRETE PIPE SHALL CONFORM TO ASTM C76,CLASS III(UNLESS OTHERWISE NOTED). HOLDING BARS FOR CONCRETE COLLAR REBAR. /� v a2 0 2.2. NON O-R NG JOINTS SQHIALL CONFORM NTS(O-RING)STO ASTM C990.CONFORMHALL TO ASTM C443&ASTM C361. NOT RASH RACK DETAIL BASED ON POMONA PIPE PRODUCTS"STANDARD ALUMINUM BAR&ANGLE PEAKED ROOF TRASH RACK WITH ,v A ONE QUADRANT HINGED FOR MANWAY ACCESS TO FIT 48"x48"I D(4'RISER)OR 60"X60"I.D.(5'RISER).CONCRETE RISER WITH 6" LNC) OR 8"THICK WALLS". 15 w N 2. TRASH RACK TO BE POWDER-COATED BLACK. CLAY LINER SPECIFICATIONS: 3. PLASTIC CAN BE USED WITH APPROVED SUBMITTAL TO ENGINEER CONCRETE COLLAR DETAIL w IT IS RECOMMENDED THAT A CLAY LINER BE INSTALLED TO MAINTAIN NORMAL POOL ELEVATION,SUITABLE HABITAT FOREBAY FILTER DRAIN DETAIL FOR LITTORAL SHELF VEGETATION,AND DESIGN AESTHETICS.CONSULT ENGINEER AND OWNER REGARDING THE SCALE:NTS TRASH RACK DETAIL SCALE:NTS SCALE:NTS INSTALLATION OF A CLAY LINER PRIOR TO SCM CONVERSION. THE CLAY LINER FOR THE WET POND SHALL BE AT LEAST 8"THICK AND MEET THE FOLLOWING SPECIFICATIONS: • UNIFIED SOIL CLASSIFICATION SYSTEM DESIGNATION OF CL,CH,ML,SC • MINIMUM OF40% z°MIN. 12"MIN. • MINIMUM PLASTICITY INDEX OF 121EVE A B C FINISHED GRADE • MAXIMUM INFILTRATION RATE OF 0.01 IN/HR. +• IT WATER STOP AT SCM SIDE MIN. • A MINIMUM OF 2 TESTS OF EACH ABOVE PARAMETER SHALL BE PROVIDED FROM AN APPROVED TESTING LABORATORY ON THE LINER MATERIAL AND PRESENTED TO THE ENGINEER FOR APPROVAL. • it DOWN STREAM FACE OF DAM - �, i , • COMPACTION TO A MINIMUM OF 93% PER ASTM D698, AND WITHIN 3% OF THE OPTIMUM MOISTURE s=�j�� CONTENT (1 COMPACTION DENSITY TEST PER 2500 SQ.FT.) THE CLAY LINER SHALL BE PLACED UNDER THE BOTTOM OF THE SCM PERMANENT POOL TO A THICKNESS OF 8 24"MIN.COVER TOP OF FILTER CONCRETE COLLAR nmN. _- a INCHES. A MINIMUM OF 4 INCHES OF TOPSOIL SHALL BE PLACED ABOVE THE CLAY LINER IN AREAS TO BE AT NORMAL POOL ELEVATION =_ LANDSCAPED AT THE FINISHED GRADE AS SHOWN ON THE DRAWINGS AND/OR DETAILS. CARE SHALL BE TAKEN Q Za„ OUTLET PIPE ANTI-SEEP COLLAR CONCRETE I DIP PIPE AT JOINT jN.T.SI WHEN PLACING THE TOPSOIL SO AS NOT TO PUNCTURE OR DAMAGE THE CLAY LINER.A CLAY/SOIL MIXTURE,NO ORGANICS, MAY BE USED IF THE ABOVE SPECIFICATIONS ARE SATISFIED AND WITH WRITTEN APPROVAL BY THE BEDDING TO SPRING LINE OF PIPE ENGINEER. Q- TO DAYLIGHT — �,c}S`�` '- Y--: r" _' °`-=S--'-3- •-- DIM �/ - .--•; " DIMA v _ DIM A _t> < _-_= -• _�•�`-- _A-=a=-- - CRADLE TO SPRING LINE OF PIPE 8"MIN. (D+2T) 8"MIN. C n) Ll Qjl-- -"-- -•S=- -ti•-,- s_ T() V • "` - - - � ' - BEDDING TO SPRING -�"'z,-p'_ _' =I III I I I-1 I I— OUTLET PIPE CRADLE LINE OF PIPE 457 WASHED STONE BEDDING OR AS 1 '• 'w`^�_� 12 (]�� - I Q - �' SUPPORT TO ALLOW PLACEMENT #57 WASHED STONE OR AS APPROVED J `�I - APPROVED BY GEOTECHNICAL ENGINEER _III _"�{' "'I—I OF CONCRETE PIPE CRADLE(TYP.) BY GEOTECHNICAL ENGINEER D ' ) 8 Q I I I III—III—III=III=I I' DIM.B v J GRANULAR FILTER MATERIAL ASTM C-33 (y p+T) - ZpCONCRETE SAND OR NCDOT 2S SAND AS _ - APPROVED BY GEOTECHNICAL ENGINEER ELEVATION DIM.MIN) 411 AL— B L— C L— GRAVEL BEDDING DETAIL SECTION (8 PdIM Q 00 Z lr ~ A_A � 7 N C U5 L z O z m - - TOP OF FILTER AT NORMAL J � - POOL ELEVATION - --_ - -- - -- -- Q J � J Qu_ 611 ow DIM C o f D+2T1 Of 8"MIN. 8 MIN. ui Q GRANULAR FILTER MATERIAL - - - a-RING - -- N ASTM-33 CONCRETE SAND OR NCDOT 2S SAND __ -__- -_ POP T APPROVED BY GEOTECHNICAL ENGINEER - NOTE: • IF PIPE Is INSTALLED IN EXCAVATED TRENCH.THEN SIDE�v�LLs Mav CRADLE TO SPRING LINE OF PIPE ■ _ - CONFORM TO TRENCH(TRENCH MAYBE USED AS CRADLE FORM)SO LONG 1` --• -'- -- AS MINIMUM REQUIRED DIMENSIONS ARE MAINTAINED ui D r n DOWEL#4 REBAR x 12" LIMITS OF EXCAVATION a _-DIME _ DIM B v! FOR FILTER DIAPHRAGM -- -`- CLASS W CONCRETE(3,000 PSI)TO MEET DIM.A(y D) O DIM C NCDOT STANDARD SPECIFICATION 1000-4 LB"I�2D (D+2T) 2D 0 DIAPHRAGM FILTER DETAIL SECTION PIPE CRADLE DETAIL SECTION ,B-B„ NOMINAL DIM t PIPE SIZE DIMA (113D) DIMB (V2D+Q DIMC (D+24 DIMD(PIPEID) DIME (DIMA+12') (WALL) 24 8 7 30 24 20 3 30 10 8.5 37 30 22 3.5 36 12 10 44 36 24 4 42 14 11.5 51 42 26 4.5 48 16 13 58 48 28 5 ALL CONSTRUCTION TO BE IN ACCORDANCE WITH LOCAL MUNICIPALITY, ANCHOR DETAIL 24"MINIMUM PIPE DIAMETER ALL DIMENSIONS IN INCHES NCDEQ AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS SCALE: NTS FILTER DIAPHRAGM AND CONCRETE CRADLE SCALE NTS III-I W o _ — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —III=I I �\,\\\\ 3:J VEGETATIVE SHELF 3:1 :1 TJFTOFXisr v —I I I rI %/ —I III—III—III—III—III—III—III—I I —_ _ /i\�\ FOREBAY FILTER DRAIN \// _ _ — — — — — _ \ /NG 4"TOP SOIL U f/ NORMAL POOL / / \ =III=III\\\/I\I I�\�\ 61 (SEE PLAN FOR LOCATION) /_=III= II =III=I I \ \\\ — 6.1 \/,/j III=I I EMBANKMENT FILL TO BE =III=I I = \ / /\ COMPACTED TO 95%STANDARD PROCTOR PER ASTM D-698 \\ —III ODI FOREBAY 1 MAIN POOL �;. Z-� N -_�-_:_ fsto r.4..r-:�-:--.= -:-t: Alt _ •! _ _ _ in -�'rc-",(-i.j-` _ -.f:=:�t-_ t -f -3--- _ -4- - - — a _: . • : -- . ;_.-.:,--_,t=-� \} . _ l -. _ ri_ _ III—I POND BOTTOM . = __ :- <, ..-._--, _-•-_-- _ _ _ "ter=_' .= • - - - _..-_-+ ,_•+..1.� vi"-rs'�a-�}.-:�-�� _ .---sw-;a•? 2�=-`. s- -- , :- ---c-t--•-�'•"-a--••- -� -r-•--.-�=t�-=�-• ��---y--= :-_"a'-•- --:" -- _-s/r•�• - -fie=a:--_-•'-_____ _- _•_•-♦ -.� —III—III—III—III— I I—III—III—III—III—III—III—III—III—III—III—III—III—III—III—III—III—III— I—III—III—III—I ♦ ° _r,: ,:;_} - -OD 42 CLAY LINER(IF REQUIRED) � -~{'-� p p p p Design By: TSG WET POND GRADING DETAIL - SEE ABOVE DETAIL FOR PIPE PART INFORMATION SCALE:NTS 6"SEDIMENT STORAGE 6"SEDIMENT STORAGE COMPACTED CLAY KEYWAY TRENCH Date: 03.01.24 ALONG COMPLETE LENGTH OF DAM 4 Project#: P230604 Q REV# DATE DESCRIPTION SHEET N N Q C601 M N O N_ Q