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Home My WebLink AboutSW6240705_Plansheet - SCM Detail_20240927 (2) 1 2 3 4 5 6 7 8 VARIABLE Z OVERLAPPING Q ROADWAY WIDTH H U) 0 o CONNECTING VARIABLE SLOPE VARIABLE SLOPE Q 00000 BANDS 0 0 0 LLJ ~ Z 0°0°0 CROSS PIPE CROSS PIPE O O C 2 PVC 90, W Q 2-1 U_ (TYP)) 0Q0 CD = ELBOW - - WATER ENTRY UNIT ROADWAY CROSS PIPE TYPICAL SECTION F- _ z L, 0 o SKIMMER WITH TRASH SCREEN. Cn LL CD_J 0 0 0 00000 SECTION SLOPE _ 3" _ VARI Oz O H 0 0 0 HDPE FLEXIBLE - - °°°°° PVC TEE DRAIN PIPE 4 _ _VARIAB� _ _ � � - - _B�E SLOPE _ 00 �H 0 0 0 - - - - - - - - - � --------- - - 4 T O 0 0 6r, MAX. 1� , - -- - -- - -- - , 3 ,- - - --- - -- - - �1 6" MAX. T 0 FLOATATION SECTION o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 q g D ` JOINT I'` D g A o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ' - -- „ FILLER ' - w 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ' � r , � � r_ _ _ _ - -- te � L Tb _ Te PIPE PIPE Tb _ 000 PVC PIPE o ° ° (TYP) a) o°o°o GROOVE INSTALLATION TONGUE INSTALLATION o O WIRE STOP W °°°°° SIDE VIEW CD PVC END CAP z ~ 00 C� (TYP) PIPE W T Q N a= -- - - --------- - oC O - -, ,' `� p LL 0 0 W D ,: � o Z z „ __ - , Q O PLAN VIEW FRONT VIEW 1' 6 z W U TS Te PIPE I� W �I aLU L END VIEW co a LU w PVC VENT REBAR GUIDE POST (TYP.) PLAN VIEW < y U#4 WITH WIRE STOP AT TOP OF Q W Z PIPE RISER cr v END TREATMENT DIMENSIONS ISOMETRIC VIEW IF I Q D L W TS Tb Te A B U w MAINTENANCE: 18" 6'-0" 23" 4" 4" 6" 211/4" 25" NOTES: 0- C 1. INSPECT SEDIMENT BASIN AND SKIMMER ONCE EVERY 7 DAYS AND AFTER EACH 1 . CONSTRUCT PIPE END SECTION USING #4 REBAR SPACED 9" SKIMMER BASIN 24 8 -2 30 4 4 6 27%g 32 EACH WAY AND MEET ALL REQUIREMENTS OF STD. SPEC. 310. 1" STEEL RISER RAIN EVENT GREATER THAN 0.5 INCHES OF RAINFALL. 2. CHAMFER ALL EXPOSED CORNERS 3/4" SHEET 1 of 1 STRAP (TYP.) SEE DETAIL 3 30" 10'-4" 37" 4" 4" 6" 335/8" 39" 1310 . 03 SHEET OOC-03 2. EXCAVATE ALL ACCUMULATED SEDIMENT FROM BASIN GREATER THAN 0.5 FEET. ORIFICE 3. ENSURE VEGETATION AND SEDIMENT DOES NOT HOLD DOWN SKIMMER. PVC TEE NOTES: 4. REMOVE ALL DEBRIS AND TRASH FROM SKIMMER DURING INSPECTIONS. 2 RCP END SECTION CONNECT SKIMMER 1. ALL PVC PIPES ARE TO BE SCHEDULE 40, UNLESS OTHERWISE NOTED. TO RISER AT EL. 320.50 5. PROVIDE A V X V X 0.25' 57 STONE PAD FOR SKIMMER TO REST ON TO PREVENT OOC-01 NOT TO SCALE SKIMMER FROM STICKING TO POND BOTTOM. 2. ALL JOINTS OF THE FLOATATION SECTION SHALL BE SOLVENT 6. FOLLOW MANUFACTURES MAINTENANCE REQUIREMENTS TO MAINTAIN SKIMMER WELDED. JOINTS OF SKIMMER SECTION NEED NOT BE WATER-TIGHT. FOR DURATION OF CONSTRUCTION. 3. HDPE FLEXIBLE DRAIN PIPE TO BE ATTACHED TO THE POND OUTLET 7. CONTACT MANUFACTURE IF SKIMMER IS NOT FUNCTIONING AS INTENDED. STRUCTURE WITH WATER-TIGHT CONNECTIONS. SIDE VIEW 4. PROVIDE 2.2" ORIFICE RADIUS FOR 4.4" 0 FAIRCLOTH 5" SKIMMER OR SKIMMER $ TAKFREE PRECAUTIONS IN WINTER TO PREVENT WATER IN SKIMMER FROM APPROVED EQUIVALENT. 1 z NOT TO SCALE -OP of FILL O Cn QQ GROUND LINE H H 0 0 . -� LL.J 6-r--r Z OOUj2 - QUcr0C'3 COMPACT AFTER '�' COMPACT AFTER <_ z'-' LU PIPE IS PLACED ' - - '�� PIPE IS PLACED C)�LL J & PRIOR TO in rn & PRIOR TO PLACEMENT OF - TYPE 2 PLACEMENT OF Cr O"Q NO. 6 BARS, 12" @ O.C. EACH FILL ,, GEOTEXTILE FILL O U) - - z � WAY, BENT 12"ABOVE INLET TOP TRASH RACK - I.D./6 MIN. r,, ,<ur<u,`,,,=u,- rp-p,'-",' DEARTH T CO W NOT LESS THAN 6" 11/2" PER FOOT OF '1 r BUT NOT LESS THAN 12" 24"X 24"ACCESS W/2 RISER CREST EL. 325.50 ROCK O.D. + 3' NOR MORE THAN 24" ^ti SS HINGES AND STOP BAR ROCK FOUNDATION .�h FOUR 44"x 6"' ORIFICE PIPE IN TRENCH EACH FACE EL. 324.25 TOP OF FILL TOP OF FILL TOP OF FILL _ � Z Ncc N 6" MIN WALL H H H LL O Q THREE 1 0 ORIFICE CENTER THICKNESS .. J OF THREE FACES EL. 322.14 ^' z J 4' MIN. O.D. MIN. O.D. GROUND LINE MIN. O.D. MIN. O.D. GROUND LINE MIN. O.D. MIN. O.D. GROUND LINE TYPE 2 _ _ _ _ ', - - �, ,•� - - - - - - j•y GEOTEXTILE �o �'� < v/ W NORMAL POOL EL. 322.14 PROVIDE DEWATERING COMPACT AFTER T•, _ + �••� H pp ni,A p�..//�,p�Q ` - :.,:•.: • ••,,, -PIPE IS PLACED .•:°: :•,,, 1 Lj W c _ & PRIOR TO I.D./6 MIN. PLACEMENT OF W SKIMMER 1 BALL VALVE INV. EL. 318.50 NOT LESS THAN 6" FILL ,,,_,,,_„ o a o I.D./6 MIN. LAS DIRECTED TRASH RACK FOR RISERS (SEE NOTE 3) - '.- '� COMPACT AFTER O.D. + 2' I.D./6 MIN. Z �"� C'3 NOT LESS THAN 6" MIN. O.D. MIN. O.D. BY ENGINEER PIPE IS PLACED NOT LESS THAN 6" O.D.+ 2' Q a H & PRIOR TO /2" PER FOOT OF 'H' cc NOTE: 24" RCP PLACEMENT OF ROCK FOUNDATION NBUT OR NOT LESS THAN 12" (n OUTLET FILL NORMAL EARTH FOUNDATION UNSUITABLE MATERIAL FOUNDATION �L 1. ENSURE PRECAST RISER IS ADEQUATELY ANCHORED TO ANTI-FLOTATION BASE. GRADE EL. 318.50 INV= 318.00 PIPE ABOVE GROUND Q O RISER BOTTOM EL. 317.50 J GENERAL NOTES: G 2. WET POND IS TYPICAL EL. 318.50 EVERYWHERE EXCEPT ADJACENT TO RISER STRUCTURE. DO NOT OPERATE HEAVY EQUIPMENT OVER ANY PIPE CULVERT UNTIL THE PIPE CULVERT HAS Q O ANTIFLOTATION I.D. = THE MAXIMUM HORIZONTAL INSIDE DIAMETER DIMENSION. BEEN PROPERLY BACKFILLED AND COVERED WITH AT LEAST 3 FEET OF APPROVED MATERIAL. O FINAL GRADE WITHIN 2' OF RISER IS EL. 318.00 THEN 3:1 SLOPE TO EL. 319.00. BLOCK 1.5'x TX 7' O.D. - THE MAXIMUM HORIZONTAL OUTSIDE DIAMETER DIMENSION. - - - SPRINGLINE OF PIPE W (D X W X L) H = THE FILL HEIGHT MEASURED VERTICALLY AT ANY POINT SELECT BACKFILL MATERIAL CLASS III OR CLASS II, A 3. ONCE SITE IS STABILIZED SKIMMER IS TO BE REMOVED, AND PLUGGED WITH CAP AT RISER. ALONG THE PIPE FROM THE TOP OF THE PIPE TO THE TOP ® BELOW SPRINGLINE. 4' X 4' BASIN OUTLET RISER OF THE EMBANKMENT AT THAT POINT. 4. DURING CONSTRUCTION, ONE INCH ORIFICES TO BE PLUGGED AND PLUGS REMOVED TAKE CARE TO FULLY COMPACT HAUNCH ZONE OF PIPE BACKFILL. APPROVED SUITABLE LOCAL MATERIAL ABOVE SPRINGLINE. =„WHEN SKIMMER IS REMOVED. UNDISTURBED EARTH MATERIAL LOOSELY PLACED SELECT MATERIAL CLASS III OR CLASS II, TYPE 1 }•' '. SELECT MATERIAL CLASS V OR VI FOR FOUNDATION CONDITIONING. ENCAPSULATE FOR PIPE BEDDING. LEAVE SECTION DIRECTLY BENEATH PIPE WITH TYPE 2 GEOTEXTILE AS DIRECTED BY THE ENGINEER. SHEET 2 OF 3 RISER STRUCTURE KO'3 ACCOMPLISH AS PIPE SEATING AND BACKFILL WILL 1300 . 011 00 . 0 ACCOMPLISH COMPACTION. OOC-01 ill = 3' 4 RIGID PIPE IN TRENCH OOC-01 NOT TO SCALE PROJECT MANAGER J. MURRAY, PE Harnett A. MCGREW, PE ec'"'''��% SITE DETAILS (2 OF 4) PROJECT ENGINEER y�� y\ , A� % C O U N T Y HDR Engineering, Inc. of the Carolinas S DRAWN BY A. MCGREW, PE arr�;'•�E �z.• o ,7 NORTH CAROLINA N.C.B.E.L.S. License Number: F-0116 L ram•-; strong roots • new growth 555 Fayetteville Street, Suite 900 D 05/2024 ISSUED FOR STORMWATER PERMIT APPLICATION _ U��GS4 HARN ETT COUNTY Raleigh, NC 27601 C 05/2024 ISSUED FOR BIDDING �,�GING�Qf. ;�� 919.232.6600 B 01/2023 REVISED BASED ON REVIEWER COMMENTS r�i'c�i •''��z'�� 0 T. 2" FILENAME OOC-03.dwg SHEET %, ys. e� NORTHWEST CONVENIENCE CENTER OOC-03 A 10/2022 ISSUED FOR PERMITTING //�t I)�� S SHOWN ISSUE DATE DESCRIPTION PROJECT NUMBER 10354679 � b HARNETT COUNTY NORTH CAROLINA SCALE