The URL can be used to link to this page

Home My WebLink AboutSW8051204_COMPLIANCE_20060515STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW xXJ5/&� DOC TYPE ❑CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD DETENTION POND ANALYSIS FILENAME- G-\DATA\WPDATA\WQS\POND1051204.WK1 RROJ ECT #: SW8 051204 REVIEWER- R. Hall PROJECT NAME: Salty Dog's at Waterford DATE- 15-May-06 Receiving Stream: Jackey's Creek Class: C;SW Drainage Basin- Cape Fear Index No. 18-77-3 Site Area 1.90 acres Drainage Area square feet Area = 1.34 acres IMPERVIOUS AREAS Rational C buildings 8692,00 square feet parking 34087.00 square feet Sidewalk 3638.00 square feet Reserve 2358.00 square feet square feet square feet TOTAL `:!i': 48775 square feet Rational Cc= 0.03 SURFACE AREA CALCULATION % IMPERVIOUS 83.87% SA/DA Ratio 6.01% Des. Depth 5 Req. SA 3495 sf TSS: 90 Prov, SA � 349�7- sf VOLUME CALCULATION place a "11" in the box if Rational is used Rational ?* FOREBAY Des. Storm inches Perm. Pool Volume= 4536 Rv= 0.80 Req. Forebay Volume= 907.2 Bottom msI Provided Volume= 930.00 Perm. Pool .19 �IF4, _00 �] rn s I Percent= Design Pool 24.99 rnsl Design SA 4404 sf Req. Volume 390 cf SA @ Prov. Volume cf Elevation= t ORIFICE CALCULATION Avg. Head = 0.47 ft Q2 Area = 0.98 sq. in. Flow Q2, cfs 0.023 cfs Q5 Area = 0.39 sq. in, Flow Q5, cfs 0.009 cfs Orifice Area 0.79 sq. in. Na. of Orifices ............. i1 Q= 0,018 cfs Diameter, inches 0 �Q: weir H x W in x E.- in Drawdown ..... ...... days COMMENTS Surface Area , Volume and Orifice are within Design Guidelines DETENTION POND ANALYSIS FILE NAME: G:\DATA\WPDATA\WQS\POND1051204.WKI PROJECT#: SW8 051204 REVIEWER: R. Gordon PROJECT NAME: Salty Dog's at Waterford DATE: 14-Dec-05 Receiving Stream: Jackey's Creek Class: C;Sw Drainage Basin: Cape Fear Index No. 18-77-3 Site Area 1.90 acres Drainage Area i55.o€ square feet Area = 1.27 acres IMPERVIOUS AREAS buildings parking TOTAL SURFACE AREA CALCULATION % IMPERVIOUS 77.12% Des. Depth 3.5 TSS: 90 VOLUME CALCULATION 7164.00 square feet 35461,00 square feet square feet square feet square feet square feet 426 2'%:!Q 70� square feet Rational ?* Des. Storm 1Q inches Rv= 0,74 Bottom 20.5 msl Perm. Pool msl Design Pool 24.95 msl Design SA 5328 sf Req. Volume cf Prov. Volume i4582 cf ORIFICE CALCULATION Rational C Rational Cc= 0.05 SA/DA Ratio 7.71% Req. SA 4263 sf 1 sf Prov. SA 1: : * place a "l " in the box if Rational is used FOREBAY Perm, Pool Volume= Req. Forebay Volume= Provided Volume= Percent= SA @ Elevation= 5141 1028.2 1001.00 Avg. Head = 0.45 ft Q2 Area = 0.88 sq. in. Flow Q2, cfs 0.020 cfs Q5 Area = 0.35 sq. in. Flow Q5, cfs 0,008 cfs Orifice Area 0.79 sq. in. No. of Orifices 0.018 cfs Diameter, inches weir H x W in x in Drawdown = 22 days COMMENTS Surface Area , Volume and Orifice are within Design Guideline,,z TopoZone - The Web's Topographic Map Page 1 of 1 topozo 1e F ro....r!(` •,��...� tom""'=�""" f � �'' + l M"l ��, ± 2 �F t'. . � �41� f .Y.,. �_ ♦ Gy:. �{Y�/ ;+w� . jfi ,%b kV]l 1 A�VI�i f 'r l � I�r . bum S Y �f �i'�.•T ,� i I +r •t• ��r lower • C 725 l.�� // 0 a V x�`-� ^� ' � *.. `��- r � _�",7tw� � � :�"-56,1-• � w"�'�"'•-r''�"-r 1 i� '°7 � '�.� � 5,.� 1 �*.wf •."..-„r* `. iti.�� ^ �� .sue^ � .r?�. 0 0.3 0.6 0.9 1.2 1.5 km G 0 0.1 0.2 0.3 0.4 0.5 mi Map center is 340 12' 55"N, 780 01' 05"W (WGS84/NAD83) Winnabow quadrangle is`l--9,889 Projection is UTM Zone 17 NAD83 Datum G=1,878 http://www.topozone.com/print.asp?z=17&n=3790048.05306908&e=774725.434856616&s=... 12/14/2005 CAPE FEAR RIVER BASIN Name of Stream Subbasin Stream Index Number Map Number Class Hudson Branch CPF04 16-27-4-1 ❑22NW2 WS-II;HQW,NSW Hughes Creek CPF07 18-4-7 E22SE4 WS-IV Hughes Mill Creek CPF02 16-14-6-1 321SEB WS-II;HQW,NSW Hunting Branch CPF04 16-28-2 D21NW9 C;NSW Hybarts Branch CPF15 18-27-5-1-1 G23SW5 C Indian Branch CPF13 18-20-26-1 F23NE7 WS-Iv Indian Creek CPF05 16-41-1-18-(1) D23SW5 WS-IV;NSW Indian Creek CPF05 16-41-1-18-(2) D23SW4 WS-IV;NSW,CA Indian Creek CPF10 17-35 E21SE4 WS-Iv Indian Creek CPF16 18-46-4 I24NE2 C Indian Creek CPF17 18-70 J26SE4 C;Sw Indian Creek (Jessups Pond) CPF16 18-42-1 H24SW1 C Ingle Branch CPF03 16-19-5-2 C20SE6 C;NSW Intracoastal Waterway CPF24 18-87 J29NW2 SA;ORW Intracoastal Waterway CPF24 18-87-(5.5) J28NE3 SA;HQW Intracoastal Waterway CPF24 18-87-(11.5) J28SW2 SA;ORW Intracoastal Waterway CPF24 18-87-(23.5) K27NE2 SA;HQW Intracoastal Waterway CPF24 18-87-(25.5) K27NE5 SA;ORW Intracoastal Waterway CPF24 18-87-(30.5) K27SW3 SA;HQW Intracoastal Waterway CPF17 16-88-9 L26NE4 SA;HQW Intracoastal Waterway CPF17 16-88-9-(3.5) L26NE9 SC Island Creek CPF22 18-74-27 H27SW4 C;Sw Island Creek CPF23 18-74-50 J27SE5 C;Sw Jack Branch CPF05 16-91-6-1-{1} D23SW9 C;NSW Jack Branch CPF05 16-41-6-1-(2) D23SW9 WS-IV;NSW Jackeys Creek CPF17 18-77-3 K26NE6 C;Sw Jacks Ford Branch CPF15 18-31-24-5-2 G23SW1 C James Creek CPF14 18-23-13 G21NE5 WS-III Jennie Creek CPF15 18-31-2 G21NE7 C Jenny Branch CPF08 17-6-2' D19NE1 WS-IV:' Jim Branch CPF07 18-7-4 E23SW3 C Joss Fork CPF14 18-23-3-1 G21NW1 WS-III John Creek CPF24 18-87-30 K27SE1 SA;ORW Johns Branch CPF17 18-64-6 J25SE8 C;Sw Johns Swamp Branch CPF20 18-68-17-6 I25SE1 C;Sw Johnson Branch CPF04 16-31-1 D21SE4 C;NSW Johnson Branch CPF13 18-20-25-1 F23NW9 C Johnson Creek CPF12 17-43-6-1 D21SW5 WS-III Johnson Mill Race CPF19 18-68-1-17-13 H25SW2 C,,Sw Jolly Branch CPF06 16-41-1-15-1-2 ❑22NE5 C;NSW Jones Branch CPF05 16-41-4-1-1 D22SE5 WS-IV;NSW Jones Branch CPF21 18-74-8-2 G27NE4 C;SW Jones Creek CPF02 16-14-5-1 C21NW1 WS-II;HQW,NSW Jones Creek CPF06 16-41-1-15-1-1 ❑22NE1 C;NSW Jones Creek CPF13 18-20-12 F23SW1 C Jones Creek (Lake Ann) CPF20 16-68-16-1 I26SW4 C;SW Jones Lake CPF16 16-46-7-1 I24NE4 B Jones Swamp CPF18 18-65-12-4 G24SW3 C;SW Jordan Creek CPF02 16-14-6-(0.5) C21NE1 WS-II;HQW,NSW Jordan Creek CPF02 16-14-6-(3) C21NW6 WS-II;HQW,NSW,CA Jorden Branch CPF02 16-11-14-1-4 C20SW1 C;NSW Jump and Run CPF22 18-74-22.5 H27NE7 C;SW Jump and Run Creek CPF17 16-88-9-3-2 L26NE5 SC;Sw Jump -and -Run Branch CPF19 16-68-2-12-1 H25NE6 C;Sw Jumping Run CPF18 18-66-12-2-4-1-1 G24NE2 C;Sw Jumping Run CPF21 18-74-10 G27NE7 C;Sw Jumping Run CPF23 16-74-36 I27SE5 C;SW Jumping Run Branch CPF21 18-74-6 G27NW5 C;Sw Page 12 of 28