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Home My WebLink AboutSW8050527_COMPLIANCE_20050527STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SWU,�l�� DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD LNFik,.TRATION TRENCH ANALYSIS Filename: S:\WPDATAYW{]S\|NTRENCH050527'1 Pnokaut# SVV8050527'1 Project Name Lumina Commons F{ecvng8tnaann UTbuWrightsville nyor.Anao Drainage Basin Cape fear Site Area 3.34 onnoo Impervious Area Calculation Buildings Parking/Asphalt Concrete Total Calculation Date Reviewer, *Classification Index # Drainage Area ° outside the 576'AEC 27-May-O P.Bartleff SB# 19-87'24 Q25OD8F 1.89 Acres Rational Cu(list C after each BUA\ 15000 0.95 63620 0.95 OOUO 0.95 If Rational Method is used, place 1 in this box Required Provided Design Storni RV : 6:St6ed Pipe O|ann `r Length CfaSingle run ofPipe Number ofPi Runs inTrench Storage |nPiping Total Storage inPiping Cross -Sectional Area OfPipe Runs Length OfTrench ' Width Of Trench Height {JfTrench Cross -Sectional Area CfTrench Voids Volume, 4096 Trench Volume per linear foot Minimum Trench length required Total Volume Provided Elevation OfBottom {fTrench Elevation Of SHWT Overflow Elevation � Exfilbration Rate/Drawdown' Reported Hydraulic Conductivity Bottom Surface Area W6W:d'9�Wn;^|^^e 25YEAR 24H0UR STORM N/A |nbymyity, i = .33inches /hour Or=CiA= {lpthrough the bottom qfthe banin= %|mpervioun= 1 in 0.95 CF./ Pipe Size / Pipe Size 2 Peat 90 Feet 13 3676 Cubic Feet Cubic Feet 40.841 8UFeet 85Feet | 2Fee1 130.00 9F CIF Cubic Feet Feet Cubic Feet 11 Mean Sea Level. 7.5Mean Sea Level 13 Mean Sea Level 0.05 Cubic Feet Per Hour Per 8q Ft 58S0Square Feet hours Must be > Or 10 YEAR 10MIN HIGH INTENSITY EVENT Intensity, _ i=G.Dinches /hour Volume for 1 yr. 10min. event = 6801.14 {:F< 6885 CF INFIll-TRATION TRENCH ANALYSIS Filename: S:VWPDATAV/VC%S\|NTFlENOH\050527-2 Project# 8VV8050527'2 Project Name Lumina Commons RecvngStneann UTtoWrightsville nacr.Anaa Drainage Basin Cape fear ' Site Area 3.34 acres Impervious Area Calculation Buildings 41620 Parking/Asphalt 14949 Concrete 6481 Total Volume/Storage Calculation-, if Rational Method is used, place 1 inthis box Required Provided Design Storm RV Data Reviewer *Classification Index # Drainage Area * outside the 575'AEC Pipe Diameter Length OfeSingle run nfPipe Number ofPipe Runs inTrench Storage In Piping Total Storage in Piping Cross -Sectional Area OfPipe Runs Length OfTrench Width CfTrench Height OfTrench � Cross -Sectional Area OfTrench Voids Vo|unie, 40% Trench Volume per linear foot Minimum Trench length required Total Volume Provided Elevation CfBottom [fTrench Elevation [f8HVVT Overflow Elevation ExfiltrationRate/ Drawdown Reported Hydraulic Conductivity Bottom Surface Area 257EAR 24HOUR STORM ~/A ./ Intensity,i = .33 inches / hour Or-- C i A = '� 27-May-O5 P.BanUatt 8B# 18'87-24 63000 SF 145 Aonae Rational Co��reodlBUA � ' ' [i95 ` 0.95 0.95 ` ' Y6|mpenvious= 100.0% Cc [i95 1 in 0.95 CF .� Pipe Size I Pipe Size 2 Feat 112 Feet 2815 Cubic Feet Cubic Feet 25�133 ' 112 Feet 4OFaat | 2 Feet 80.00 SF CF Cubic Feet Feet Cubic Feet 2.7 0.45 CFS 1331SCFS 13.8 Mean Sea Level 11.GMean Sea Level 15.GMean Sea Level 1]]7 Cubic Feet Per Hour Per 8o Ft 448OSquare Feet hours Must be > Qr 10 YEAR 10MIN HIGH INTENSITY EVENT Intensity, i=8.3inches /hour Volume for 10 yr. 10 min. event = 5183]]0 CF« 0I�0011004 5/16/2005 MOO 10:41 FAX 910 343 9604 Norris, Kuske, Tunstall �5 D5Z� Tbr wukaut WDENR rn t t.I O� r5 North Ca Tina Department of Environment and Natural Resouroes 127 Cardinal Drive Extension, Wilmington, NC 28405 (910)395-3900 FAX (910)3W2004 NKT #03113 Request for Express Permit Review FILL-IN all information below and CHECK required Permit(s). FAX to Cameron Weaver along with a narrative and vicinity man of the project location. Projects must be submitted by 9.00 A.M. of the mview dato, unless prior arrangements are made. APPLICANT Name Ken Chapman, Vice President_ Company Plaza East Associates, LLC _ Address 125 Scalevbark Rd, City/State Charlotte, NC _ Zip 28209 County New Hanover Phone 704-561-5238 Fax 704-523-6140 Email NIA PROJECT Name Lumina Commons ENGINEERICONSULTANT J. Phillip Norris, P.E. Company Norris. Kuske & Tunstall Consulting Engineers, Inc. Address 902 Market Street City/State Wilmington, NC Zip 28401 County New Hanover Phone 910-343-9653 Fax 910-343-9604 Email pnorrissAnkteng.com ❑ STREAM ORIGINATION CERTIFICATION 0 STORMWATER ❑ Low Density ❑ High Density -Detention Pond ❑ High Density -Other ;(Redevelop) ❑ Low Density -Curb & Gutter ❑ High Density -Infiltration ❑ Off Site ❑ COASTAL MANAGEMENT ❑ LAND QUALITY ❑ Excavation & Fill ❑ Bridges & Culverts ❑ Structures information ❑ Upland Development ❑ Marina Development ❑ Urban Waterfront ❑ Erosion and Sedimentation Control Plan with acres to be disturbed. ❑ WETLANDS (401) ❑ No Wetlands on Site (letter from COE) ^ ❑Wetlands Delineated/No JD ❑ Greater than 0.1 AC Wetlands Impacted ❑Jurisdictional Determination has been done ❑ Less than 0.1 AC Wetlands Impacted ❑Greater than 0.5 AC Wetlands Impacted The legislation allows additional fees, not to exceed 50% of the original Express Review permit application fee, to be charged for subsequent reviews due to the insufficiency of the permit applications. For DENR use only SUBMITTAL DATES: Fee Split for multiple permits: SW CAMA $. LQS $ 401 $ Total Fee Amount $ fi'/16/2005 MON 10:41 FAX 910 343 9604 Norris, Kuske, Tunstall 4 004/004 N F ro R06 .0 Gs W E �a � � v r rightsv Ile Avenue U Site C 'Vqp• 0 t a i Vicinity Map (No S le) 05/16/2005 MON 10:41 FAX 910 343 9604 Norris, Kuske, Tunstall �003/004 NARRATWE STORMWATER MANAGEMENT MEASURES: The project site is located in New Hanover County, North Carolina. Land disturbing on the site will exceed one acre, which requires the site to comply with the State Regulations. The stormwater runoff from the 3.34-acre development will be directed to stormwater infiltration trenches. The stormwater systems are designed to accommodate this site at 100% impervious area lot coverage. This is a redevelopment site and drains to SC waters. CONSTRUCTION SEQUENCE: The Contractor will install the gravel construction entrance and silt fence prior to beginning any clearing and grading operations. Additional sift fence will be installed when and if conditions warrant during construction. Disturbed areas will be landscaped or seeded upon completion. The infiltration areas will be cleaned out to remove any sediment that accumulates during construction. 4" 051116/2005 MON 10:41 FAX 910 343 9604 Norris, Kuske, Tunstall b02/004 STORMWATER SYSTEM NARRATIVE LUMINA COMMONS WILMINGTON, NORTH CAROLINA For Plaza East Associates, LLC 125 Scaleybark Road Charlotte, NC 28209 (704) 561-5238 40'swfNin&- N CAR 2Q� .•'E ESs ZI 96 �4 , pH! LL1IF April 2005 Prepared by: NORRIS, KUSKE, & TUNSTALL CONSULTING ENGINEERS, INC. 902 Market Street Wilmington, North Carolina 28401 (910) 343-9604 — (Fax) E-mail: office@nkteng.com NKT Project No_ 03113 Map Output http://wwwdefault.nhcgov.com/website/basemap/MapFrame.htm Lumina Station16, _ ►_ t r • r 74 ` t a 74 x r J. nz 1.4 sV it ' � ram• _. •. „'� � '� Map ao and 71152X? 1 of 1 9/24/2007 11:17 AM yl� P ii` P� s m Iti r� l ` r - 3 s 1 �/� � � I y� ; . ♦ � Y Oil i f _ ' 1[ �- i ��i A a y _ 8 it. iw• t 1 1 �A � • :;A - � �v Lim �l Ft� At 7-1 WLE b ire,• J ? i. ��- ./n! Id ' 'tiff a i ry4, H 1 9 A ,�s• 1 r' ' n� k 9. � t i19 � 3d ♦r a W y` J 4� e 111 'ritd IA