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Home My WebLink AboutSW6231106_Plansheet - SCM Detail_20240228 . . TOP OF 00 co y 50-YR STORM 196.10 DAM 196.50 BEFORE YOU DIG, o a, Q/ �- 1 X 3 10-YR STORM 195.47 3 P�� / ` p o0 � 1 1 � 0 � cli 1 -YR STORM 194.25 \ N PERMANENT POOL 193.08 I \ NORTH CA OLINA Z C \ ONE CALL CENTER o \ � 6: 1 VEGETATED SHELF www.ncoc .org/ 2 2 FOREBAY 2 TOP 193.00 \ o 1 1 EXIT 187.50 1 BOTTOM 192.00 1, > \� i Z z OREBAY SEDIMENT MAIN POND SEDIMENT 4 A \ Z FOREBAY STORAGE ELEVATION STORAGE ELEVATION \ \i / Ld Ld ENTRANCE 187.00 188.00 185.00 - - y BOTTOM POND 184.00 - � W w � \ 6L R TLET P ECLd WET DETENTION POND PROFILE RIP RAP I'' �8 DEEP W OUTLET R T Wl0 TH Cn - \ DE MUL PROTECTION D WIDTH 8 4• z NOT TO SCALE 1 �P �� LENG� F • z o CO S \O L �N 192.62 x \ �0. 0C G TRAIL 93 Z N _ � °� ` 0 cn 2'x 3' DROP INLET 00� TOP f 195.35 J \ SCM CCL� INV. IN 1.25" 193.0 z cn WITH TRASH RACK lNV. OUT 193.08 A IN TE w TOP 195. 35 9 / 1g4 - W HP . CONC .. R F 5 195 00 Z o .50 ® RETE WEIR � ..'• 18, • � F 6 6 /FES AW BLN=C-1874 / 4 PVC ORIFICE INV. IN 193. 3 Zg� (1 . 25" HOLE) INV IN . 193. 08 '�� \ HP 18" RCP (SEE DETAIL) �`� 196150 INV. OUT 193. 08 I � S.F. � � SCM DcAc. 00 CA / BOTTOM �' \ 4 \ \� OF BOX po \ O 192. 00 '�3 Ac. \ $,, R 50 ES 29 5 PAD 199.26 115 �F 6 F 5,633 S.F. \ 30 X-0 �. 0.50% 0. 13 A c.PAD 198 O I 8 a' �' \ v'X60' 4" PVC CAP WITH �_ 1� g� F 5,0000 S.F SCREW TYPE PLUG o�p 5,85o S x \ Aso, 1 r fir(\0� all A \ TOP ELEV. 195 1 0. 13 A c. 9`y co TOP f 196. O�v\�c G y 30 X6 1 �P P D 199.�25 3.12 G \�' v STANDPIPE SHALL 30X60 o FES INV. 0 193.07 G �� \ 1 9 5,000 S. .\ INV. IN 193.00/ (GqS 5 BE CONNECTED 1 P E ,�g9• ,�g 0. 11 A c. S ' O TO THE BOX 49 y / P�X69.47 V\1 6 5pp0 A 5,200 �-o c 1 � 0. 12 Ac / J P C E ,� 66 v PAD 199. 2 �� 8 p�° 19 3o'X60' j /� �g9 05 8 (SCH 40 PVC) NORMAL POOL = INV. ELEV. 193.08 50 9 l 5,200 S.F. 6 MIN. 0. 12 Ac. � \ PAD 200.0� n o 19 19 r. x p x S �a BOTTOM ELEV. 192.58 / 30X60 PVC CAP W/1 .25" HOLE \ oo 51 0 0 \1 Q \AQ DRILLED IN CAP. \ 5,200 S.F. cos SCALE: 1" = 30' p V) \ D. 12 A c. � / A0 < D 199.9� CQ_ 0 30 60 75 90 105 120 Conversion Procedure / \ �IPA- r, zzz^ O Sediment Basin to Wet Detention Pond NOTE. zi� CONTRACTOR TO COMPACT BOTTOM OF POND TO CONCRETEE/IIER�ENCYSP/LLIyAY , , 1 . After the site is completelystabilized, contact Stocks Engineering@ NOT TO SCALE 1" 1/8" RADIUS 252-459-8196 for verification of completion and stabilization. ENSURE INFILTRATION IS LESS THAN 0.01 IN./HR. 2. Contact DEQ for approval to remove I all temporary erosion control measures. NOTE: 3. Upon approval from NC DEQ, begin the conversion of the wet 5 5' A PORTABLE PUMP SHALL BE USED FOR PUMP pond from a temporary sediment trap to a permanent BMP as follows. DOWN AND MAINTENANCE. EXPANSION JOINT 4. If standingwater is in the basin, contractor shall um the water out �P� 6'� POND EDGE DETAIL discharging through a silt bag. p p VEGETATED SHELF LANDSCAPE PLAN OP OF 5. Remove the skimmer which is connected to the riser and convert to _ NOTE: `�� 'Q •��`` VEGETATED SHELF = 1 ,332 S.F. �o .��.� CARoZ the permenent orifice as shown below in detail. VEGETATED SHELF MUST HAVE 6 IN OF TOPSOIL `�� o�� .��'�9 AS THE TOP LAYER OF MATERIAL , `` F� � s- -s, =o Q ��L9 6. Bring the side slopes surrounding the pond and vegetated shelf to the ALL PLANTS SHALL BE 3" CONTAINER PLANTS, �,y, proposed grade. THERE SHALL BE A MINIMUM OF 3 PLANT o ' ��'� _ SEAL 7. Contractor shall verify pond depth and muck out sediment to the SPECIES, AND A MINIMUM OF 50 PLANTS PER 111 III19843 .o � �o 200 SF OF VEGETATED SHELF. STAGE /STORAGE TABLE III . 411 ...... . moo,,, design depth of the pond. - III Eqs . ,,, CiAEL . p approved CONTOUR INCREMENTAL TOTAL waa�Q� 8. Excavated material must be disposed of in an a roved off-site location. illllll BELOW PERMANENT POOL STAGE ELEVATION ' � -III 2 /2 9. Care must be taken to prevent any sedimentation/re-sedimentation AREA (SF) STORAGE (CF) STORAGE (CF) -III III during this process, as sediment deposits in the bottom of the pond Botanical Name Common Name QTY. III °° III II III II I' WET POND � PLAN 1687 0 0 III N may affect the depth. If any sedimentation occurs during this process, Iris virginica Blue flag iris 111 0 193.08 10 i , Helianthus au ustifolius Swam Sunflower 111 III II Contractor shall remove sediment immediately. g p III 10. Contact Stocks Engineering @ 252-459-8196 to inspect excavated and Peltandra virginica Arrow arum 111 0.92 194.00 11 ,901 10.390 10,390 -I III REVISIONS g g p p -III 3/7/23 30% Plot Plan before continuing construction. -Milli l 7/6/23 Permiting Set 11 . Upon approval of Stocks Engineering, continue constructing pond per details. 1 .92 195.00 13,247 12,574 22,964 NOTES: 9/11/23 Resubmittal POND SIDE SLOPES 10/11/23 HRW Resubmittal 12. Upon completion of pond construction, remove sediment from silt fence Establish appropriate permanent vegetation around pond as soon as possible. /. CONCRETE SECT/ON TO BE 6 THICK, 4,000 PS/ @ 28 DAYS, W/ 6 X6 11/1 /2 HRW Resubmittal Vegetate w/Centipede Seed @ a rate of 6GA WELDED WIRE FABRIC. 2.27 195.35 13,695 4,715 27,679 1/24/24 HRW Resubmittal and dispose of at an approved off-site location. Plant vegetated shelf 60 lbs./Ac. 2. �8 OF CLASS B RIP RAP OVER GEOTEXT/LE FABRIC FOR THE FULL P p P g WIDTH OF WEIR FROM THE EDGE OF CONCRETE TO THE TOE OF SLOPE. and seed and mulch side slopes. 2.92 196.00 14,650 9,212 36,891 J. REFERENCE THE SCM DETAIL SHEET FOR WEIR WIDTH, DEPTH, AND FILE NO. 2022-063 13. Contact Stocks Engineering @ 252-459-8196 to inspect completed pond ASSOCIATED ELEVATIONS. HORZ. SCALE: 1"=50• before placing pond in service. 3.42 196.50 17,625 8,069 44,9960 4. THICKEN ALL EDGES AND EXPANSION JOINT "THICKNESS +27. MINIMUM VERT. SCALE: NONE EDGE THICKNESS OF 8" D- 17 MANY ARE THE PLANS IN A PERSONS HEART, BUT IT IS THE LORDS PURPOSE THAT PREVAILS. PROVERBS 19:21