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HomeMy WebLinkAbout20170799 Ver 1_WQC Major Variance Presentation_20171108old f fir J! '�-y ` ' '�� a - ■- i ar t a ,ti ,_ .. � 1. _Y. • •+� ` Site — USGS Topographic/Soil Survey Map Department of Environmental Quality Site Setting 3 STREAM Y {NOT BUFFEREDj WETLAN`SG -0.41 AC i` STREAM Z {NOT BUF F END STREAM B END GTREAMA '.SETLAND i `tk�ti STkRT87 FAM F INOI BUF EIiE6; Y:r fl ANnp END STREF.IAF I...E: hC. EN] 51�En1A ❑ Farm % +.-0.12 AC. r 5T11RT3TREA11I WETLAND C {i µ 014 AG. ',WTLANi, 6 H-4MAC. I POND P +1. 7.87 AC. '- 'e,ETLANC A r,- 2T A(: { END::AM E JJJf S7RMi d 111117 BUFFERED] 5TART8TREAm E Ak Y y}r�1 lV E%Ar, D E -.- 7 62 AC FND nikrcH H Vi� Z A Pond is not subject to G rA;iT STREAM }i �•."" Buffer Rules, as per DZ site visit. 00D LEGEND STREAM WETLAND C 4MATER BODY 5Q -FT NEUSE RIPARIAN BUFFER SUBJECTPROPERTY PARCELS 2 -FT CONTOURS Existing Conditions Parcel Acquisition TOM Overall Site Plan NrF -METARY 42.09-18-W25 / ?68 pG. 35 `f :AMDEN AVE A 18 AC, ]NINGr E WN TLA Q AR SHEET- C2,2, C3,2,IAI. ARCA Cd,2 —� 1441ST LAKE ..s PROPOSED BUILDING 4' 4 4 rYOFOURHAM \ PI; 0842,0PrI 0 9 7 66 i5R DiJSF• VA VACANAN T `� CO MZlJVM SERME 1 6 %vIINrWlXCE euLDIND f n FF�UD-M we�mly 7 I Md l.ILM1 A irtf r. �h f 711! + MSP—� _ waagN�� x! wuuFe� ST� I ' \ FF�170p J Y1aJGilIIB f =T . `� —x � iCtl i0Cj9iiq ,y' i..Oh A !u!p! na. I X.E.TTI !M !ice* • .. 111YF�u El � rwww � w -i! •r I s � .. I hl ti I 11111cIl r Buffer Impact Detail Proposed Impacts &Mitigation Impacts Table Impact ID Riparian Buffer (sq. ft) Impact Temporary Permanent BI -Z1 Mitigation 13,083 B I -Z2 115852 Tota I 0 sq ft 24,935 sq ft 0.00 ac 0.57 ac Mitigation Proposal: Purchase buffer credits from private mitigation bank 12 Required Zone Total Impact Multiplier Mitigation square feet) (square feet) Zone 1 13,083 3 39,249 (2 for Catawba only) Zone 2 11,852 1.5 17,778 Total Buffer Mitigation Required: 57,027 Mitigation Proposal: Purchase buffer credits from private mitigation bank 12 Findings of Fact - (9) (a) (i) Practical difficulties or unnecessary hardships are present: A. Applicant cannot make reasonable use of property for consolidation of the Department of Water Management without impacting the buffer B. Hardship from application of the Rule combined with other constraints C. Hardship is due to configuration of property and location of buffered stream D. Applicant has not violated the Rule E. Purchased some parcels prior to the effective date of the Rule and others after F. Unique for application of the Rule to prevent intended use of a property a portion of which was purchased prior to implementation of the Rule 13 Findings of Fact- (9) (a) (ii) & (iii) The variance is in harmony with the general purpose and intent of the State's riparian buffer protection requirements and preserves its spirit In granting the variance, the public safety and welfare have been assured, water quality has been protected, and substantial justice has been done. • Propose to purchase 57,027 buffer mitigation credits • Propose Stormwater Management Plan to treat stormwater runoff from the facility 14 DWR Recommendation DWR recommendation is that the Water Quality Committee grant this major variance request. If the Water Quality Committee approves this request, the Division recommends approval with the following conditions or stipulations: • Mitigation The applicant shall provide mitigation for the impacts to the buffer by purchasing 57,027 buffer credits from the North Fork Little River Nutrient Offset & Buffer Bank sponsored by Wildlands Holdings II, LLC. 15 DWR Recommendation • Stormwater Management Plan (SMP) The applicant shall provide one copy of the approved SMP, including plan details on full-sized plan sheets, with proof of the City of Durham's approval. The approved SMP shall be submitted to the DWR 401 & Buffer Permitting Branch digitally at https://edocs.deq.nc.gov/Forms/Supplemental-Information- Form before any impacts authorized in this approval occur. After it is approved and submitted to the Division, the SMP may not be modified without prior written authorization from the City of Durham. If the SMP is modified in the future, then one modified SMP with proof of approval shall be provided to the DWR 401 & Buffer Permitting Branch prior to the commencement of the modifications. 16 Questions?