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HomeMy WebLinkAboutSW8950704_Current Permit_19960307 �Y a.+ State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James B. Hunt, Jr. DIVISION OF ENVIRONMENTAL MANL AGENTM Jonathan B. Howes Governor WATER QUALITY SECTION Secretary March 7, 1996 Mr. Richard A. Giannotti UDRT of North Carolina, L.L.C. 10 South sixth Street, Suite 203 Richmond, Virginia 23219-3802 Subject: NOTICE OF COMPLIANCE Clear Run Apartments Phase 3 Stormwater Project No. SW8 950704 New Hanover County Dear Mr. Giannotti: The Wilmington Regional Office received your request to modify the existing Certification of Compliance with Stormwater Regulations, issued to you on August 16, 1995. The modification consists of the construction of 2,248 square feet of additional impervious area (concrete pool deck and roofed poolhouse). Based on staff review of the revised plans and calculations, the revision will comply with the requirements of 15A NCAC 2H.1000. The runoff from 94,200 square feet of impervious area will be treated in a detention pond sized to remove 90% Total Suspended Solids. Attached please find a revised "Project Data Sheet" which lists the new requirements for the pond. All other requirements of the original Certification remain in effect. If you have any questions, please do not hesitate to call me at (910) 395-3900. Sincerely, Ak Dave Adkins Regional Water Quality Supervisor DA/arl: S:1WQSISTORMWATICOMPLY1950704.MAR cc: Larry Sneeden, P.E. Alan Golden, New Hanover County Inspections Beth Easley, New Hanover County Soil Erosion David.Mayes, City of Wilmington Central Files, IN'ERs, Linda Lewis 127 Cardinal Drive Extension,Wilmington,N.C.28405-3945 s Telephone 910-395-3900• Fax 910-350-2004 An Equal opportunity Affirmative Action Employer DIVISION OF ENVIRONMENTAL MANAGEMENT PROJECT DATA Project Name: Clear Run Apartments Phase 3 Project Number: SW8 950704 Location: New Hanover County Applicant: Mr. Richard A. Giannotti Mailing Address: UDRT of North Carolina, L.L.C. 10 South Sixth Street, Suite 203 Richmond, Virginia 23219-3802 Submittal Date: July 13, 1995 Revised March 7, 1996 Water Body Receiving Stormwater Runoff: Clear Run Branch Classification of Water Body: "C Sw" If Class SA, chloride sampling results: N/A Pond Depth: 5.0 feet Permanent Pool Elevation: 32 MSL Total Impervious Surfaces Allowed: 94,200 square feet Offsite Area entering Pond: N/A Green Area entering Pond: 87,450 square feet Required Surface Area: 6,639 square feet Provided Surface Area: 7,100 square feet Required Storage Volume: 8,349 cubic feet Provided Storage Volume: 8,536 cubic feet Temporary Storage Elevation: 33.1 MSL Controlling Orifice: 1.5" pipe O w El pa a� 0p �. N p A .r. '� a� ��a O y N4..AN bA d) N N N d a 3 2 cd 'd �j w O c� > N > N cd N 'd vOi �' N 14 > "-4 "y ¢+ a�� it Lei 0, a) c) ., , •� �.+ y, cis 404 � O _ U b " Z f� O SO;- p � � � O it O � O ° .0U B N y � O � �+ O c�u o 3 O oC. d 0, v0 er v `o o o �A. u o oz z ; � 4 E-4 o N o u z p Z C O � ' +rA �o Or- .0 0 bV o a ,0 0-4� VO ° �' � U � � O 4 a .2O M VCa O � N �. 4-4o ° � oa � ° > o>> U b r o0 oaoo M o � a U >, � O ed cd O O + O O 1 Nyw �U r MO A ^ 'O "O O CA >O 04 a' Q .--� 04 O ° O 4+ Q ' ' bA y O O N C N 0 id O 4 � 0 o •0 N 'Ci � O $ t :5 a, ° &( cqs o +� 10 . a per, c 4 Q C °�,•d .� ,--� W ~ o o C7 O �� 0 ' zU � M o LA 0 ¢ . AH 1.0 � '�c '8 ' A o = a o 4-4 H d O Mdd � e a ~ � a� � +J ril A � U� C .5 uOU O v + CA m 4� K w 9 �c 00 V)i-- v - >'�,