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HomeMy WebLinkAboutSW6230805_Response To Comments_20240711 4006 Barrett Drive,Suite 104 ovvrrian Raleigh,North Carolina,27609 TEL (919)553-6570 Project: Turnberry South Phase 1 Location:Royal Birkdale Drive,Raeford,Hoke County Jurisdiction:NCDEQ Date: 6/21/2024 Subject: SW 6230805 Comments Comments Response Please ensure the electronic repository is complete.The revised O&M All documents and plan sheets were uploaded to the electronic repository and Agreement and Supplement-EZ were not uploaded. An updated hard copy of sent as hard copies. Sheet C-1 was received,but not uploaded. Supplement,EZ,Bioretention Cell Page—Line 43:Riprap is a form of energy A forebay was added to the bioretention pond. Supplement form revised to dissipation, not pretreatment.A forebay or grass and gravel combination are reflect that change. the most utilized pretreatment methods. Please revise this item to list the forebay included in the comment response document and revised sheet. The Application Section IV, the Supplement-EZ, Cover Page, and narrative A revised application is included in the hard copy and electronic submission. reference 0.122 acres of surface water area, but no surface water area and associated vegetated setbacks were delineated on site in the main set of plans. Please ensure that all surface water(.1042(2)(p,)(iii))and the required vegetated setback(1003(4) &.1017(10)) is clearly shown on the plans (.1042(2)(g)(iii)). The comment response document indicates that a revised Application was provided,but it was not received in the hard copy submission or electronic repository. Offsite Area... The comment response document indicated that a legal A deed restriction is included in the hard copy and electronic submission. agreement was reached,limiting BUA signed by the property owners,but this was not included in the hard copy submission or electronic repository.It appeared that an authorization for another project(Ryan's Run)may have been accidentally submitted instead as it was included in the hard copy submittal. Wet Pond—Per Wet Pond MDC 6: The main pool shall be equipped with a The follow explanation on the variance has been included in the narrative and vegetative shelf around its perimeter. The minimum width of the vegetated the Supplement. shelf shall be six feet and the slope shall be no steeper than 6:1.Please revise 'Wet Pond MDC 6 requires that the main pool be equipped with a vegetative so that the vegetated shelf meets this requirement. MDC 6 requires that the shelf around it's perimeter.No vegetated shelf is provided along the perimeter main pool be equipped with a vegetative shelf around its perimeter.Currently, of the retaining wall.However,the retaining wall includes a fence that will there is no vegetated shelf along the perimeter of the wall.Please revise or deter any humans from getting into the pond.Therefore,the fence on the request a variance showing that what is proposed is greater than or equal to retaining wall meets the requirements for MDC 6.' the MDC. 4006 Barrett Drive,Suite 104 ovvrrian Raleigh,North Carolina,27609 TEL (919)553-6570 Please account for the future BUA and associated drainage area that will be The Supplement-EZ and Application were updated to show a drainage area of directed towards the bioretention cell in the Application and Supplement-EZ, 14.15 acres to SCM 2.The off-site,future BUA is specified in the so that when the permit is issued,this BUA is clearly accounted for.Per the Supplement-EZ and Application,as well as the Stormwater Agreement. provided calculations,the bioretention cell, SCM 2,is sized to capture a drainage area of 14.15 acres.If 14.15 acres is being directed to the SCM, please account for that drainage area within the Supplement-EZ and Application.Currently,these items show about 7.55 acres of drainage area directed to SCM 2. Please revise the following for consistency: The intermediate weir and temporary pool elevation was revised to 228.3 a. The outlet control structure shows the intermediate weir at 228.2,but the throughout the package. rest of the package lists 228.3 as the temporary pool elevation which is set by the elevation of the lowest bypass.