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HomeMy WebLinkAboutSW8121001_HISTORICAL FILE_20121025PERMIT NO. DOC TYPE DOC DATE STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS Sw5�laloD( ❑ CURRENT PERMIT ❑ APPROVED PLANS FO HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION Aw az-- - YYYYMMDD GJ � Central Files: APS` S4NP L-J _ 10/25/12 Permit Number SW8121001 Permit Tracking Slip Program Category Status Project Type State SW Active New Project Permit Type Version Permit Classification State Stormwater 1.00 Individual Primary Reviewer christine.nelson Coastal SW Rule Coastal Stormwater - 2008 Permitted Flow Permit Contact Affiliation Facility Facility Name Major/Minor Region Beaufort Fire Department Substation Minor Wilmington Location Address 2731 Highway 101 Beaufort Owner Owner Name Town of Beaufort Dates/Events NC 28516 Scheduled Orig Issue App Received Draft Initiated Issuance 10/25/12 10/04/12 County Carteret Facility Contact Affiliation Owner Type Government - Municipal Owner Affiliation Richard L. Stanley PO Box 390 Beaufort NC 285160390 Public Notice Issue Effective Expiration 10/2 5 / 12 1012 5/ 12 10 /2 5 / 2 0 Regulated Activities Requested/Received Events State Stormwater - HD - Detention Pond Additional information requested 10/09/12 Additional information received 10/17/12 Additional information requested 10/19/12 Additional information received 10/23/12 Outfall . NULL Waterbody Name Stream Index Number Current Class Subbasin f MEMORY.TRANSMISSION REPORT .r TIME :10-25-'12 15:52 FAX NO.1 :910-350-2004 NAME :DEAR Wilmington FILE NO. 733 DATE 10.25 15:48 TO R 912527562345 DOCUMENT PAGES B START TIME 10.25 15:50 END TIME 10.25 15:52 PAGES SENT B STATUS OK *** SUCCESSFUL TX NOTICE *** :lntn aT North l�vralina ntpw rfm.v� or ¢ovlronmam r 2 NitarwI Rero urea! W��m lagYon iicpFonw� gl7lrw 6r.�ar[y 4y'wes Prrdrrr, Govcra or P'AX CUYL�'li RHEET C O /t7 i — ."— Jl--ir..a•+r. SR—Y 12"/ Cardlnwl OrlVe L'XS�glnn, Wilm in{ttnn, NG:tAa O] � (910�'/9d-721:1 � An �gnst! Uf�pnrh,n ify Ii-ff7�mntivq �.G[1on Fimp4o�+b� State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office Beverly Eaves Perdue, Governor FAX COVER SHEET Dee Freeman, Secretary Date: _,TiS/� �� ` . No. Pages (excl. cover): To: / �/ �/ �/ �From: Jo Casmer Co: J 7!�Dy O �� T Phone: (910) 79b-7336 _ Fax: -� z �J��_ ��3 �� .• Fax: (910) 350-2004 Re: r - 127 Cardinal Drive Extension, Wilmington, NC 28405 • (910) 796-7215 • An Equal Opportunity Affirmative Action Employer MEMORY TRANSMISSION REPORT FILE NO, DATE TO DOCUMENT PAGES START TIME END TIME PAGES SENT STATUS 732 10.25 15:48 8 912 5272 83 982 8 10.25 15:48 10.25 15:50 8 OK ***. SUCCESSFUL TX NOTICE TIME FAX NO.1 NAME 511aYe of North Corollas Daps rl ass et ar At-1—maat sad Natural Rssua raw Wiltalaffton .Aanlonwl Oi'tice Jsw.•rr{tr E t� p+rd i, Govcroor FAX COVER SH;EFT :10-25-'12 15:50 :910-350-2004 :DENR Wilmington IMa F ��norr� Si�Crtti ry -- 12"1 G`arA.nsl IJrm— Nxf na—. W 1lmtngtnn. NC 29401 - (91 n) 74F-721 S - A $qual Opp—,kry A.Mlrmati— Ac — Rs plpyEr I State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office Beverly Eaves Perdue, Governor FAX COVER SHEET Dee Freeman, Secretary Date: - /Z-- No. Pages (excl. cover): To: Cam✓/ R� GAS % ES S From: Jo Casmer _ __ .... Co: ��� �� "�" Phone: (910) 796-7336_ . Fax: �_ �� - Fa)� (91035� 0-2004_ 127 Cardinal Drive Extension, Wilmington, NC 28405 • (910) 796-7215 • An Equal Opportunity Affirmative Action Employer T, (t-Ao SN 1 gar �. STROUD ENGINEERING, P.A. �- 0 �3`51p'ti CONSULTING ENGINEERS .� HESTRON PLAZA TWO 'Q by ; 151-AHWY. 24 SEA[. MOREHEAD CITY, NORTH CAROLINA 28557 (252)247-7479 •• S Q GIN .4 C; l rA rJ 1 % Ii� I1 t ki t'}'` i;�:�7r�":,.. i\fi) ' -? , ,� :•'..• y`w f A7 1�)01`6 CT- pG -L 0� Vc) 10 m,-- Pcl�--',7 — P � 0�. 2 vi 2012 6 vtw V112_L-0 d d) �6SQ 107 COMMERCE ST. HESTRON PLAZA TWO SUITE 8 102-D CINEMA DRIVE 151-A HWY. 24 GREENVILLE. NC 27858 WILMINGTON, NC 28403 MOREHEAD CITY, NC 28557 (252) 756.9352 (010) 815-0775 (252) 247-7479 Page 1 of 4 Ronald Cullipher From: Ginger Turner [gturner@stroudengineer.com] Sent: Wednesday, September 05, 2012 3:40 PM To: 'Ronald Cullipher' Subject: FW: Beaufort Fire Department Her response. Haven't looked at the equation in chapter 16 (Infiltration Device) to see how it affects the level spreader sizing. I've only been reviewing Chapter 8??? From: Lewis,Linda [mailto:linda.lewis@ncdenr.gov] Sent: Wednesday, September 05, 2012 3:26 PM To: Ginger Turner Subject: RE: Beaufort Flre Department Ginger- yes on both counts. I keep forgetting that the Phase II rules require the prelpost, but that the 2008 rules require the greater of the 1.5" or the prelpost. If this is a new project, prelpost will always be greater. I usually default to the prelpost as we deal with mostly new projects. If you use one VFS as both secondary BMP and overflow BMP, then just make sure there is sufficient area in the filter to promote infiltration. I suggest using the equation in Section 16.3.6 of the BMP Manual to determine how much filter area you'll need, assuming that one of the dimensions is 50 feet. Time T is in days, not hours. I suggest that you set T equal to the number of days that the designated orifice takes to completely drawdown the pond. So T=2 would give you the largest infiltrating area and T=5 would give you the smallest infiltrating area. You can use the minimum hydraulic conductivity of 0.52 inches per hour, or if you use something higher, just provide that supporting documentation. It can be your BPJ based on available NRCS or local soils maps -- it does not have to be based on an actual soil boring. For an engineered VFS, the blind ditch length needs to accommodate the peak flow from the 10 year storm, up to 10 cfs, i.e., a maximum of 100 feet. The rest tin excess of 10 cfs) can bypass per Chapter 8 of the BMP Manual, Linda Lewis NC Division of Water Quality 127 Cardinal Drive Ext. Wilmington, NC 28405 910-796-7215 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Ginger Turner [mailto:gturner@stroudengineer.com] Sent: Wednesday, September 05, 2012 12:54 PM To: Lewis,Linda Subject: RE: Beaufort Fire Department QL� 2 Z012 r Linda, } 10/23/2012 Narrative Beaufort Fire Department Substation September 17, 2012 Revised October 8, 2012 Revised October 16, 2012 Permittee: Town of Beaufort c/o Charles Burgess Mailing Address: P.O. Box 390 Beaufort, NC 28516 Physical Address: 215 Pollock Street Beaufort, NC 28516 (252)728-2141 Engineer: Stroud Engineering, P.A. 151-A Highway 24 Morehead City, NC 28557 (252) 247-7479 License Number: C-0647 I. General Information FCIEIVE oc� i 7 �Q1z BY: Beaufort Fire Department Substation is located at 2731 NC Highway 101 Beaufort, Carteret County. It is a 1.81 acre tract located approximately 6.6 miles from the intersection of Highways 101 and 70 just past Steel Tank Road. The wetlands have been delineated and approved by the U.S. Army Corps of Engineers. Only the existing ditches on the northern and western property lines were delineated as "Waters of the US", no other wetlands exist on the tract. The tract is more than 575' from High Quality Waters. Utilities will be provided by the County and the Town of Beaufort. A water meter will be installed tapping into the County's existing eight -inch water main located on the opposite side of Highway 101. The Town of Beaufort has agreed to allow the project to install a sewer force main from the site tying into an existing eight -inch force main located at Steel Tank Road. This will consist of approximately 2,150 if of piping within the right of way of Highway 101. II. Stormwater Information The project is located within the White Oak River basin and currently drains south easterly to Eastmans Creek, 21-24-1 class SA-HQW. The project is within'%z mile of,SA =.P. sT�-ie,terminus of the SA line was located by�Ms: Joanne Steenhuis and"i`s just south roject as shown on the quadrangle attached. This project is being submitted as a high density commercial project under the current Coastal Stormwater Rules. Stormwater will be treated by a wet detention pond to 90% TSS with discharge being treated by a level spreader/vegetated filter for the secondary BMP. III. Erosion and Sedimentation Control Measures The following measures are proposed for the site. If it becomes evident that additional erosion and sedimentation control measures are needed, they shall be installed immediately. It is intended that all grading and excavation activities within a certain area will be protected as soon as that activity is complete. 1. Sediment Fence — Sediment fence will be utilized as necessary in locations as shown on plans or as deemed necessary by the engineer to insure that off -site sedimentation is controlled. 2. Seeding -- All disturbed areas will be seeded within 14 days following construction in accordance with the seeding schedule shown on the plans. 3. Stone Construction Entrance — Stone construction entrance will be used to reduce transport of sediment off site. 4. Sediment Basins- The detention pond to be constructed will serve as a sediment basin during construction. This project requires a storage sediment rate at 3600 cf/acre of disturbance and required surface area is based on the 10-year storm. Sediment volume from the earth disturbing activities draining to the pond is estimated to be 10,800 cubic feet based on 3 acres of disturbance. The forebay will have 12,009 cf and the main basin 53,087 cf of sediment storage capability totaling 13,335 cf exceeding the required volume. The surface area required of 918 sf is also exceeded providing a total surface area of 5,929 sf. A skimmer is also being installed within the pond for additional sediment control. Upon completion and stabilization of project the pond shall be cleaned to the original design depth. 5. Earthen Dike — A dike will be constructed and seeded within 7 days around the portion of the project being filled to prevent sediment from leaving the site during the fill operation. 6. For utility dewatering and well pointing, dewatering bags shall be used to collect sediment and discharge shall be maintained to be non -erosive during pumping operations. All erosion eddies shall be immediately repaired and additional precautions taken to disperse discharge energy to avoid any erosion. IV. Maintenance Plan 1. All erosion and sediment control measures shall be checked for stability and effective operations following every runoff producing rainfall event or at least once per week. Repairs required shall be completed immediately to the dimension and functions indicated on the plans. 2. Sediment shall be removed form behind the sediment fencing when it becomes 0.5 feet deep at the fence. The fence shall be replaced or repaired as necessary to maintain a barrier. 3. All seeded areas shall be fertilized, seeded and mulched within 14 calendar days of disturbance. Disturbed areas shall be fertilized, reseeded and mulched as necessary according to the Contract documents to establish and maintain a dense vegetative cover. V. Construction Sequence 1. Clear and grub the tract as necessary. 2. Install gravel construction entrance and silt fencing at specified locations. 3. Complete clearing and grubbing operations. 4. Excavate, rough grade and temporarily seed stormwater detention basin. 5. Prepare subsurface building foundation per the soil report investigation recommendations by Geotechnologies, Inc. 6. Construct a dike around the perimeter of the site to prevent sediment from leaving the site. Temporarily seed the dike within 7 days. 7. Fill and rough grade the site. 8. Install drop inlets and storm drainage piping with sedimentation control measures. 9. Seed and mulch all areas of disturbance not to be paved within 14 days of land disturbance. 10. Begin preparation of building site. 11. Install utilities. 12. Fine grade drive and parking area and place stone base course. 13. Construct building. 14. Pave drive and parking area. 15. Perform final grading, see and mulch all remaining disturbed areas. 16.Once the site is stabilized remove accumulated sediment and skimmer from stormwater detention basin. Install new 4" screw cap drilled with 1.25"orifice to the orifice outlet. Perform final grading of basin. 17. Install wet detention basin vegetation as specified on pond landscaping plan. 18. Remove temporary erosion control measures. VI. Design Assumptions 1. Design storm is ten years for both culvert design and sediment control. 2. The rational method was used for the design. Nelson, Christine From: Ronald Cullipher [rcullipher@stroudengineer.com] Sent: Wednesday, October 24, 2012 4:21 PM To: Nelson, Christine Subject: RE: request for additional info - Beaufort Fire Dept. Substation thanks From: Nelson, Christine [mailto:christine.nelson@nodenr.gov] Sent: Wednesday, October 24, 2012 4:22 PM To: Ronald Cullipher Subject: RE: request for additional info - Beaufort Fire Dept. Substation Ron, Just one comment for the moment: I believe that the time used in the calculations should be the discharge time from the pond (3.74 days in this case), which would give you the area needed to effectively infiltrate the required volume over the time the pond discharges. You have kind of shown that the design discharge time falls between the two calcs at the bottom of the sheet (S days and 2.7 days). Without official guidance on what effective infiltration is, I am going to run with you have provided. If you are lucky enough to design another one of these in the future, please remember that this aspect of the rule is still trying to be understood and the criteria may change as guidance and understandings are developed. I will draft up the permit and see what Georgette says. Christine Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties unless the content is exempt by statute or other regulation. From: Ronald Cullipher [mailto:rcullipher@stroudengineer.com] Sent: Tuesday, October 23, 2012 11:12 AM To: Nelson, Christine; c.burgess@beaufortnc.org; 'Lauren Hermley' Cc: Russell, Janet; 'Ginger Turner' Subject: RE: request for additional info - Beaufort Fire Dept. Substation Christine, Good morning, I have attached the calculation of the effective infiltration area as well as an email from Linda Lewis during our design development phase. The Land Management report listed hydraulic conductivity rates K=(0.2 to 0.6 in/hr.) Linda indicated in her email we could use by default the 0.52" ihr, which is what we used. The final filter design using this Conductivity rate resulted in a drawdown time of 2.705 days. The peak storm which was post -pre was utilized for the Volume For the 1 yr -24 hour storm. I hope this answers your question properly. Thanks, ron From: Nelson, Christine fmailto:christine.nelson@ncdenr.gov] Sent: Friday, October 19, 2012 12:34 PM To: Ronald Cullipher; c.burgess@beaufortnc.org; 'Lauren Hermley' Cc: Russell, Janet; 'Ginger Turner' Subject: RE: request for additional info - Beaufort Fire Dept. Substation Ron, Y Nelson, Christine From: Ronald Cullipher [rcullipher@stroudengineer.com] Sent: Tuesday, October 23, 2012 11:12 AM To: Nelson, Christine; c.burgess@beaufortnc.org; 'Lauren Hermley' Cc: Russell, Janet; 'Ginger Turner' Subject: RE: request for additional info - Beaufort Fire Dept. Substation Attachments: effective infiltration , beaufort fd.pdf Christine, Good morning, I have attached the calculation of the effective infiltration area as well as an email from Linda Lewis during our design development phase. The Land Management report listed hydraulic conductivity rates K=(0.2 to 0.6 in/hr.) Linda indicated in her email we could use by default the 0.52" Ihr, which is what we used. The final filter design using this Conductivity rate resulted in a drawdown time of 2.705 days. The peak storm which was post -pre was utilized for the Volume For the 1 yr -24 hour storm. I hope this answers your question properly. Thanks, ron From: Nelson, Christine [mailto:christine.nelson@ncdenr.gov] Sent: Friday, October 19, 2012 12:34 PM To: Ronald Cullipher; c.burgess@beaufortnc.org; 'Lauren Hermley' Cc: Russell, Janet; 'Ginger Turner' Subject: RE: request for additional info - Beaufort Fire Dept. Substation Ron, In addition to changing the elevations, I was looking for something more than the narrative to support Item 3.a of the request for additional information (the effective infiltration aspect). Since you mentioned using the equation, I was looking for something to support it in the calculations. Christine Email correspondence to and from this address is subject to the North Carolina Public Records Low and may be disclosed to third parties unless the content is exempt by statute or other regulation. From: Ronald Cullipher [mailto:rcullipher@stroudengineer.com] Sent: Friday, October 19, 2012 11:33 AM To: Nelson, Christine; c.burgess@beaufortnc.org; 'Lauren Hermley' Cc: Russell, Janet; 'Ginger Turner' Subject: RE: request for additional info - Beaufort Fire Dept. Substation Good morning Christine, I have corrected page 3 of the pond O&M and it is attached. The pond calculations are attached as well. The calculation didn't change per se because when I raised the pond 0.2 feet I did it entirely. However the contours listed in the calculations Did raise the additional 0.2 feet so I have updated the calculations to be consistent with the revised pond details. When I was checking for the discrepancy for the O&M sheet I discovered that the pond summary on sheet 2 of the construction set had not been updated to reflect the new permanent pool elevation and the storage elevation. I made that correction and in addition to attaching it to this email I will send two hard copies of that sheet. Hard copies of the calculations are also being sent. Thank you, ron From: Nelson, Christine [mailto:christine.nelson@ncdenr.gov] Sent: Friday, October 19, 2012 10:19 AM To: Ronald Cullipher; c.burgess@beaufortnc.org; 'Lauren Hermley' Cc: Russell, Janet; 'Ginger Turner' Subject: RE: request for additional info - Beaufort Fire Dept. Substation Ron, I don't see the updated calculations included in the package. I'm sure those have been updated based on some of the changes to the other documents. Can you forward those on to me? Also, can you double check the elevations on the third page of the pond O&M agreement? The forebay elevations on the 0&M do not appear to be consistent with the information in the plans. Christine Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties unless the content is exempt by statute or other regulation. From: Ronald Cullipher fmailto:rcullipherC&stroudengineer.com] Sent: Tuesday, October 16, 2012 3:20 PM To: Nelson, Christine; c.burgess2beaufortnc.org; 'Lauren Hermley' Cc: Russell, Janet; 'Ginger Turner' Subject: RE: request for additional info - Beaufort Fire Dept. Substation Good afternoon Christine, I have made revisions as requested and the hard copies are going express delivery this afternoon for delivery tomorrow morning. I have attached advanced copies of the documents for your use. As always appreciate your assistance. Should you need anything, please let me know, thanks ,ron From: Nelson, Christine fmaiIto:christine.nelson@ncdenr.gov] Sent: Tuesday, October 09, 2012 3:35 PM To: 'Ronald Cullipher'; c.burgess(@beaufortnc.aro Cc: Russell, Janet; Ginger Turner Subject: request for additional info - Beaufort Fire Dept. Substation Ron & Charles, I have attached a copy of the request for additional information for the Beaufort Fire Department Substation stormwater permit application (SW8121001). Copies of the signed letter will be sent out in the mail. Please let me know if you have questions. Christine Christine Nelson Environmental Engineer State stormwater Program NC Division of Water Quality 127 Cardinal Drive Ext. Wilmington, NC 28405 Phone: 910-796-7323 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties unless the content is exempt by statute or other regulation. STROUD ENGINEERING, P.A. Hestron Plaza Two 151-A Hwy. 24 MOREHEAD CITY, NC 28557 V (252) 247-7479 ut TO�iV I Sion of WE ARE SENDING YOU ❑ Attached ❑ Under separate cover via ❑ Shop drawings ❑ Prints ❑ Plans ❑ Copy of letter © Change order ❑ LETTER OF TRANSMITTAL DATE III NQ g93_79���� ATTENTION ryY 'S LhrlShr !`lesson RE: i ❑ Samples . ff " It - im N-MA a — I 1 101191)21 1(`n I.r1j I o he)rY - 1-6PVsc,-(-r1 1bhq ,2 THESE ARE TRANSMITTED as checked below: El For approval ❑ Approved as submitted Q9 For your use ❑ Approved as noted N As requested ❑ Returned for corrections ❑ For review and comment ❑ ❑ FORBIDS DUE REMARKS the following items: ❑ Specifications ECE BY: ❑ Resubmit copies for approval ❑ Submit copies for distribution ❑ Return corrected prints ❑ PRINTS RETURNED AFTER LOAN TO US COPY TO SIGNED: If enclosures are not as noted, kindly notify us at once. ❑ Samples . ff " It - im N-MA a — I 1 101191)21 1(`n I.r1j I o he)rY - 1-6PVsc,-(-r1 1bhq ,2 THESE ARE TRANSMITTED as checked below: El For approval ❑ Approved as submitted Q9 For your use ❑ Approved as noted N As requested ❑ Returned for corrections ❑ For review and comment ❑ ❑ FORBIDS DUE REMARKS the following items: ❑ Specifications ECE BY: ❑ Resubmit copies for approval ❑ Submit copies for distribution ❑ Return corrected prints ❑ PRINTS RETURNED AFTER LOAN TO US COPY TO SIGNED: If enclosures are not as noted, kindly notify us at once. s STROUD ENGINEERING, P.A. CONSULTING ENGINEERS HESTRON PLAZA TWO 151-A HWY, 24 MOREHEAD CITY, NORTH CAROLINA 28557 (252) 247-7479 October 16, 2012 Ms. Christine Nelson NC Division of Water Quality 127 Cardinal Dr. Ext.'�!' Wilmington, North Carolina 28405 OCT 17 2012 Re: Beaufort Fire Department Substation SW8 121001, Beaufort, Carteret County, NC BY: Dear Ms. Nelson, We are in receipt of your review comments for the project described above dated October 9, 2012. Based on those comments, we offer the following: Your Item No. I- Please see the attached deed for the property as requested. The deed was recorded in Deed Book 1354 Page 53. Your Item No. 2-The narrative page 2 item II. was edited to clarify that the site is within '/z mile of SA waters. Your Item No. 3- a. We verified our design using eq. from Section 16.3.6 of the BMP manual. The design storm that controlled the design was the Post vs Pre Development for the 1 yr 24 hr storm. The volume 8018cf, the hydraulic conductivity used at 0.52 in/hr and the maximum dewatering time of 5 days yields a area for the vegetated infiltration strip of 1541 sf. Actual square feet of area used 57'x50'= 2850 s£ Based on these calculations the VIS effectively infiltrates the design storm. Your Item No. 3-b The vegetative filter strip is set at the lower end at elevation 5.80. This termination point is at an existing small dry ditch which starts at elevation 5.76 and ends on the east side at elevation 5.46. The water table is below this elevation. The pond elevation was raised 0.2 feet to correct an error in the flow path. Your Item No. 3-c See both items above. Your Item No. 4- A drainage area map has been inset into sheet S-2 as requested. 107 COMMERCE ST. HESTRON PLAZA TWO SUITE B 102-D CINEMA DRIVE 151-A HWY. 24 GREENVILLE, NC 27858 WILMINGTON, NC 28403 MOREHEAD CITY, NC 28557 (252) 756-9352 (910) 815-0775 (252) 247-7479 Your Item No. 5- The vicinity map that we reviewed during the submittal meeting was actually located on the survey existing conditions map. The actual vicinity map is located on sheet I of 7 in the construction set. I made some additional adjustments but the vicinity map should now be acceptable. I deleted the survey drawings from the construction set. Your Item No. 6- On the application we had added the future building square footage of 3750 sf to the building total. I have corrected the application page 3 of 6 and revised the stormwater data on sheet 2 of 7 construction drawings and added more clarity of the future breakdown. The total amount of impervious 29,050 sf did not change. Your Item No. 7- A note has been added on sheet 2 of 7 as requested. Your Item No. 8- Thank -you Your Item No. 9- Numbers were reviewed and forms were updated to account for the slight change in the elevation of the wetpond. We hope we have provided the information requested and that your final review will be straight forward. I appreciate your assistance on this project. cerely, t R nald D. Cullipher, P.E. psrrr+r Cc: Charlie Burgess, Town Manager, BeaufortCaRo,,',I SEAT_ • 13343 C) n \+`QR IECEIVE, 8Y: AWA 41091h ppi�p—®pp�� NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Charles Wakild, P. E. Dee Freeman Governor Director Secretary October 9, 2012 Mr. Charles W. Burgess, Jr., Town Manager Town of Beaufort PO Box 390 Beaufort, NC 28516 Subject: Request for Additional Information Stormwater Project No. SW8 121001 Beaufort Fire Department Substation Carteret County Dear Mr. Burgess: The Wilmington Regional Office received an Express Stormwater Management Permit Application for the Beaufort Fire Department Substation on October 4, 2012. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: �-Al. Please provide a copy of the most current property deed. The deed book and page number provided on page 5 of the application is not accessible or available on the Carteret County Register of Deed's website. a/L• Please clarify in the narrative that this project has been determined to be within '/2 mile of and draining to SA waters. That is an important fact to know when considering the design of the site. 3. Please keep in mind that when using a single vegetated filter strip as part of the stormwater design for a wet detention pond, it must meet two different requirements. The first requirement is to effectively infiltrate the design storm (e.g. the design storm discharge flow rate from the pond) as required by 15A NCAC 02H.1005(a)(1)(C)(ii). The second requirement is that the excess runoff must be directed through the vegetated filter strip with a minimum length of 50 ft as required by 15A NCAC 02H.1005(a)(1)(B)(iv). If a vegetated filter strip is desired to be used for this system, then please demonstrate or discuss the following: a. That effective infiltration of the design storm will occur within the vegetated filter strip. Effective infiltration must be demonstrated either qualitatively (with supporting documentation and discussion on the soils type, infiltration rate, vegetation cover, and slope of the vegetated filter strip) or quantitatively (such as using the equation in Section 16.3.6 of the BMP manual). b. The vegetated filter strip is set at or above the seasonal high water table (SHWT). As the rule states, there is not a minimum separation to the SHWT, however, it does need to be shown that these area are not located below the SHWT to ensure that the area is available to effectively infiltrate during those seasonally high times. c. That the single filter strip has been sized to meet these two separate requirements. 4. Please delineate the drainage area for the wet detention pond on the plans. 5. Please add the names of a few of the major roads to the vicinity map on the plans Wilmington Regional Office 127 Cardinal Drive Extension, Wilmington, North Carolina 28405 011C Phone: 910-796.72151 FAX: 910-350-2004 4 DENR Assistance: 1-877-623-6748 NorthCarolina Intemet: www,ncwaterquality.org Naturally An Equal Opportunity l AffumaM Action Employer �/ V i " Charles Burgess October 9, 2012 Stormwater Application No. SW8 121001 6. Please clarify the amount of impervious area proposed with this application and the amount of future impervious area allocated to the project. The areas designated on the plans as future impervious areas exceed the amount of future impervious area allocated in the application. Only those areas proposed on the plans with grading information demonstrating the runoff will be directed to the BMP should be considered as proposed impervious areas. Any future areas where the design and grading are not know at this time, should be listed as future area on the application. 7. All roof drainage must be directed to the pond, please either identify the roof drain lines on the plans or add a note to the plans indicating that the roof runoff will be directed to the collection system or forebay. 8. Due to the potentially minor nature of these comments, the express additional information fee has been waived for this request for additional information. 9. Please keep in mind that changing one number may change other numbers and require the calculations, supplements, and other supporting documentation to be updated. Verify all numbers are correct to ensure consistency in the application documents. Please note that this request for additional information is in response to a preliminary review. The requested information should be received in this Office prior to October 17, 2012, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. If you need additional time to submit the information, please email or fax your request for a time extension to the Division at the address and fax number at the bottom of this letter. Please note that a second significant request for additional information may result in the return of the project If the project is returned, you will need to reschedule the project through the Express coordinator for the next available review date, and resubmit all of the required items, including the application fee. The construction of any impervious surfaces, other than a construction entrance under an approved Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject to enforcement action pursuant to NCGS 143-215.6A. Please label all packages and cover fetters as "Express" and reference the project name and State assigned project number on all correspondence. If you have any questions concerning this matter please feel free to call me at (910) 796-7323 or email me at christine.nelson@ncdenr.gov. Sincerely, ("t �� ?e& ") Christine Nelson Environmental Engineer GDSlcan: S:MQSIStormWater\Permits & Projects120121121001 HD12012 10 addinfo 121001 cc: Ginger Turner 1 Ron Cullipher, Stroud Engineering Wilmington Regional Office Page 2 of 2 Nelson, Christine From: Nelson, Christine Sent: Tuesday, October 09, 2012 3:35 PM To: 'Ronald Cullipher'; 'c.burgess@beaufortnc.org' Cc: Russell, Janet; 'Ginger Turner' Subject: request for additional info - Beaufort Fire Dept. Substation Attachments: 2012 10 addinfo 121001.pdf Ron & Charles, I have attached a copy of the request for additional information for the Beaufort Fire Department Substation stormwater permit application (SW8121001). Copies of the signed letter will be sent out in the mail. Please let me know if you have questions. Christine Christine Nelson Environmental Engineer State Stormwater Program NC Division of Water Quality 127 Cardinal Drive Ext. Wilmington, NC 28405 Phone: 910-796-7323 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties unless the content is exempt by statute or other regulation. BEAUFORT FIRE DEPARTMENT SUBSTATION MA,I. P'7, ,; '. ±:'•s Bar Landing M~-III f�r7�E i .,[ • I+ , � .���y��=.� 1; % ► � */7, TO HAVELOCKILE /i SITEf s` l APPROXIMATE LOCATION OF DWQ SA FLAG HIGHWAY 101 r r;•~� ',��at•F� " _ _ .. � � �5 is � frs VISTEEL TANK RD' `, % l— 1 •'— v. : `•aL'1 !tip I''`= / L REL ROAD 14•48' 30' .� d. �, Ik' \ _ :.� � , r�•� I •�, r� „t 17 t., �.h.,r,,.�;,.•:� _ta } t,,� / � ^ .,,I�,.� I ', illy ORT BEAUF �"d� \I ?,-�'� .+� I, �+<•.;;s•F:.'�:-„",, i . f+lk J r •�' �•2�ti:;k:1 f! � • � , . tJ� '�Li �`� _-- / T', �--� , _.„.l. 'J.II,.�,lr'�'4`.-: ��••:t1�4` ..„ Y.i+� f�'� _ � � \ � . .�%;�v," r•6 y� ..•'6: _ `� �j � fir'_^-•-..�..1 lk $ � - rr- �.. � �r'��.� :(�.j���'�•h.-it`� = _ - ���� � .ter. Y^ - 5 �'+'A ++ a:f+�•.: ,-ray ' i! •.tip '• ��'�:'^. ��a-:n;"': ...' ��N 1l � .. r t, i4 f1 Y."" , •'�yy'yy',�•,:,. ;i;::1': V � ["ti;�'�i �r vs' �{���,..I^,,,777;1N•N_ I •✓jJ ! it ���_ 't^'qi, R y�.5: � ti:ty I• �.,�� � �-�—„ , `��� �'� '��Af�,,,.�1„�� CapoQixLs Cap}iigltt'?' i99? IkLoiwe 1:uzm�ul� NE U1G46 tiamce Din [rtiGS �� ;Goff k.*. I : I7,600 Ik tml. D5 Am= IVQ% S O C T 0 4 202 BYE____ Nelson, Christine From: Lewis,Linda Sent: Thursday, October 04, 2012 11:04 AM To: Nelson, Christine Subject: FW: Beaufort Fire Department Linda Lewis NC Division of Water Quality 127 Cardinal Drive Ext. Wilmington, NC 28405 910-796-7215 E-mail correspondence to and from this address may be subject to the North.Carolina Public Records Law and may be disclosed to third parties. From: Ginger Turner[mailto:gturner@stroudengineer.com] Sent: Monday, September 10, 2012 6:58 AM To: Lewis,Linda Subject: RE: Beaufort Fire Department Linda, I believe that answers all my technical questions. Only other question is if a supplement and 0& M agreement is required for the secondary BMP? Thanks, Ginger Turner, P.E. Stroud Engineering, P.A. 107 B Commerce Street Greenville, NC 27858 Office: (252) 756-9352 ext 234 Fax: (252) 756-2345 Email Address: gturner@stroudengineer.com From: Lewis,Linda rmailto:linda.lewis(c�ncdenr.gov] Sent: Thursday, September 06, 2012 12:34 PM To: Ginger Turner Subject: RE: Beaufort Fire Department Ginger- I think I misread your email. Per Section .1005(c)(3) (the newest rule document that was combined with SL 2008-211) all structural EIMP's required under the rules, shall discharge the storage volume at a rate equal to or less than the predevelopment discharge rate for the 1 year 24 hr storm. I believe the intent of that area of the supplement is to provide a place to enter the predevelopment and post - development runoff rates to demonstrate that you have met that requirement for that particular discharging BMP. Linda Lewis NC Division of Water Quality 127 Cardinal Drive Ext. Wilmington, NC 28405 910-796-7215 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Ginger Turner fmailto:gturner(sbstroudengineer.com] Sent: Thursday, September 06, 2012 10:44 AM To: Lewis,Linda Subject: RE: Beaufort Fire Department Linda, I have reviewed the 2008 Coastal Rules and do not see a requirement for Peak Flow (Peak Flow Calculations Section on Wet Detention Basin Supplement). Trying to determine if this section needs to be completed and subsequently the items in the Drawdown Calculation portion relating to Pre & Post 1-yr, 24-hr. I may have done this in error on past similar projects thinking it was required. Will you please confirm? Ginger From: Lewis,Linda fmailto:Iinda.lewisencdenr.aov] Sent: Wednesday, September 05, 2012 3:26 PM To: Ginger Turner Subject: RE: Beaufort Fire Department Ginger- yes on both counts. I keep forgetting that the Phase II rules require the pre/post, but that the 2008 rules require the greater of the 1.5" or the prelpost. If this is a new project, pre/post will always be greater. I usually default to the pre/post as we deal with mostly new projects. If you use one VFS as both secondary BMP and overflow BMP, then just make sure there is sufficient area in the filter to promote infiltration. I suggest using the equation in Section 16.3.6 of the BMP Manual to determine how much filter area you'll need, assuming that one of the dimensions is 50 feet. Time T is in days, not hours. I suggest that you set T equal to the number of days that the designated orifice takes to completely drawdown the pond. So T=2 would give you the largest infiltrating area and T=5 would give you the smallest infiltrating area. You can use the minimum hydraulic conductivity of 0.52 inches per hour, or if you use something higher, just provide that supporting documentation. It can be your BPJ based on available NRCS or local soils maps — it does not have to be based on an actual soil boring. For an engineered VFS, the blind ditch length needs to accommodate the peak flow from the 10 year storm, up to 10 cfs, i.e., a maximum of 100 feet. The rest (in excess of 10 cfs) can bypass per Chapter 8 of the BMP Manual. Linda Lewis NC Division of Water Quality 127 Cardinal Drive Ext. Wilmington, NC 28405 910-796-7215 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Ginger Turner [mailto:gturner(a)stroudengineer.com] Sent: Wednesday, September 05, 2012 12:54 PM To: Lewis,Linda Subject: RE: Beaufort Fire Department Linda, Thank you for the information. For further clarification, item 2, in regards to the design storm is the greater between 1.5" and the 1 yr-24hr pre/post, correct? Also if this pond is designed at 90%, then from the discussion in the last paragraph would only 1 VFS need to be installed to satisfy the need for the secondary BMP and overflow. Ginger From: Lewis,Linda rmailto:linda.lewis()ncdenr.gov] Sent: Wednesday, September 05, 2012 9:31 AM To: Ginger Turner Subject: RE: Beaufort Fire Department Ginger: DWQ has been working on guidance for meeting the "no discharge" requirement via effective infiltration for quite some time. It is a difficult concept and even more difficult to put to paper as there are so many options. We have no official guidance at this time. If you use a wet pond within "/z mile of SA waters, the SA rules require the following: 1. The pond cannot be located within the 50' surface water buffer; 2. The design storm to store above the permanent pool elevation is the 1 year 24 hour pre/post volume difference; 3. The discharge from the pond (i.e., the design storm leaving via the orifice) must be directed to a "secondary" BMP that is capable of treating the discharge. The "discharge" from the secondary BMP is NOT considered a direct discharge; 4. All overflows from the pond, i.e., the flows in excess of the design storm that exit the pond via an overflow (not the orifice), must be directed to a 50 vegetated filter. The problem comes in when the pond is designed for 85% TSS (which requires a VFS on its own) and you use a VFS as the secondary BMP. You could end up with three VFS, one for the orifice flow (either before or after the secondary BMP), one as the secondary BMP and one for the required pond "overflow". There has been some discussion as to whether the last 2 VFS (secondary and overflow) can be one and same. I believe they can be, if the VFS is designed for the more conservative overflow. The flowrate it will receive for overflow design is the peak flow for the 10 year storm, which will in most every instance be larger than the peak flow from the orifice (i_e., the highest orifice flow at full head). If the VFS is designed to handle the larger peak flow, then smaller peak flows will not be a problem. Linda Lewis NC Division of Water Quality 1:27 Cardinal Drive Ext. Wilmington, NC 28405 910-796-7215 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Ginger Turner f mailto:gturner(-OstroudenQineer.com] Sent: Tuesday, September 04, 2012 11:01 AM To: Lewis,Linda Subject: Beaufort Fire Department Linda, Since the subject property is within Y2 mile and draining to SA waters, please advise if the following would be permitted to satisfy the Coastal Stormwater Rules. The site has a SHWT of 6"-26" which removes any infiltration as the primary BMP. I would like to design a wet pond with level spreader/vegetated filter as the secondary BMP. Is this an available option and if so do all discharges leaving the pond go to the "blind" ditch of the level spreader? Any other suggestions would be of great help for a site with such soil and elevation constraints. Thanks, G i nger Tu rne r, P.E. Stroud Engineering, P.A. 107 B Commerce Street Greenville, NC 27858 Office: (252) 756-9352 ext 234 Fax: (252) 756-2345 Email Address: gturner@stroudengineer.com From: Lewis,Linda [mailto:linda.lewis@ncdenr.90v] Sent: Thursday, August 30, 2012 8:44 AM To: Ronald Cullipher; Steenhuis, Joanne Cc: 'Ginger Turner'; 'Lauren Hermley'; 'Larry F. Baldwin, CPSS/SC'; Georgoulias, Bethany Subject: RE: Yes, made the call [Hart As we discussed, the SA waters interactive map is a STARTING point and is not meant to be pinpoint accurate or the "last word". The SA classification of Eastman Creek, WOK 21-24-1, is from its source to Core Creek. Joanne verified the -source, as requested, per the Division's stream standards procedures. Since the source has been identified, and the classification is SA to the source, and your site is within '/z mile of the SA classified water and drains to the SA classified water, it is subject to the SA criteria outlined in the rules. Linda Lewis NC Division of Water Quality 127 Cardinal Drive Ext. Wilmington, NC 28405 910-796-7215 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Ronald Cullipher [mailto:rcullipher()stroudengineer.com] Sent: Thursday, August 30, 2012 7:23 AM To, Steenhuis, Joanne Cc: 'Ginger Turner'; 'Lauren Hermley'; Lewis,Linda; 'Larry F. Baldwin, CPSS/SC' Subject: RE: Yes, made the call Good morning joanne, thanks for the info, but to clarify, the state's stormwater map in this area is incorrect and this Site is within '/2 mile of SA waters and therefore is not allowed the 24% percent low density limit for coastal stormwater Rules. Please confirm because it is a significant impact on this property. Thanks, ran From: Steenhuis, Joanne [mailto:joanne.steenhuis@ncdenr.gov] Sent: Wednesday, August 29, 2012 5:12 PM To: Ronald Cullipher Subject: Yes, made the call Ron, The creek goes under Hwy 101. It is right at the corner on the ditches and the pipe going under the road and the road going back to the County facility there. I have flagged a bush with the DWQ flag (it is the greenish yellow color). I will scan and send the aerial to you in the AM. Joanne NORTH CAROLINA, CARTERET COUNTY This instrument apetNs certi to are duly filed at tho date and tim and, the oo and Page showy. on the first pag hereo . r R Ester of Deeds By aa.t ...aeprimdDecc+ FOR REGISTRATION REGISTER OF DEEDS .oy L.Wrerc. Carteret County, NC Seplerber 28, 2010 04:25:31 PM COIR;TER DEED - 2 P FEE, $22.eO NC REVENUE STAMP, $199.00 PILE # 954053 Prepared by: Luther 1). Starling, Jr. Mail To: Grantee stamps: $199.00 Tax 1.1).4: 6S tq t7a {t5 LF3a $ Subject property is nut the primary residence of the Grantor. NORTH CAROLINA WARRANTY DEED CARTERET COUNTY This deed made this the 14th day of September, 2010 by and between THE 1953 COMPANY, L.L.C. (hereinafter referred to as "Grantor"), to TOWN OF BEAUFORT, P.O. Box 390, Beaufort, N.C. 28516 (hereinafter referred to as "Grantee"). WITNESsETH. That said Grantor, for a valuable consideration paid by the Grantee, the receipt of which is hereby acknowledged, has bargained and sold, and by these presents does bargain, sell, and convey onto said Grantee, all that tract or parcel of land located in Carteret County, State of North Carolina, and being more particularly described as follows: Tieing all of Lot 1, containing 1.8121 acres +1-, as shown on that map of survey entitled "Minor Subdivision and Recombination for The 1953 Company, LLC, prepared by lames C. Simmons, Jr., R.L.S„ dated April 16, 2010 and recorded in Plat Cabinet 31, Page 875, Carteret County Registry. Reference to said plat is hereby made for a more particular description of said lot. TO HAVE AND TO ]-TOLD the aforesaid tract or parcel of land and all privileges and appurtenances thereunto belonging to the said Grantee and its successors and/or assigns forever in fee simple. AND the said Grantor covenants that it is seized of said premises in fee simple and has the right to convey the same in fee simple; that the same is free from encumbrances; that it will war -rant and defend the said title to the same against the claims of all persons whatsoever, other than the following exceptions: 0 boa l�s�At3E Easements and restrictions of record, if any. IN WITNESS WHEREOF, the Grantor has hereunto set its hand and seal as of the day and year first above writtcn. THE 1953 COMPANY, L.L.C. L"'b (SEAL) Manager STATE OF NORTI4 CAROLINA COUNTY 1, a Notary Public ofr-County, State of North Carolina, certify at 6, L.qe- , personally came before me this day and acknowledged that he is ManaerfMetnber of The 1953 Company, L.L.C., a North Carolina Limited Liability Company and that by authority duly given and as the act of said entity, he signed the foregoing instrument in its name an its behalf as its act and deed. Witness my hand and official stamp or seal, this the E f day of �A Lam, l c f'12010. NOTARY PUBLIC NOTARY My commission expires: f Sf i+-t :r' PUBLIC ZL ON C0\3V �FGEIVE� OCT 17 2012 BY. LMG LAND MANAGEMENT GROUP INC. Environmental Consultants DATE: July 23, 2012 SUBJECT: Land and soils evaluation of the Town of Beaufort Tract (-2 acres) for the proposed NC Hwy 101 fire station, to determine site characteristics for general usability with stormwater treatment systems. Tract located on the west side of NC Hwy 101, adjacent to the north side of the NC Forest Service tract, Beaufort NW area, Beaufort Township, Carteret County, North Carolina. PIN# 639902658622000 TO: Town of Beaufort Go Mr, Ron Cullipher, PE (agent) Stroud Engineering, PA 151-A NC Hwy 24 W, Hestron Plaza II -A Morehead City, NC 28557 (252) 247-7479 [o] The land and soils within the Town of Beaufort Tract (-2 acres) for a proposed fire station were evaluated on a qualitative basis to determine the general potential for on -site stormwater treatment. NCDENR-DWQ "Stomnrvater Management" rules and regulations (NCAC 15-2H-.1000) were used as guidelines in making this evaluation. New and revised NCDENR-DWQ coastal stormwater rules became effective October 1, 2008 and are more rigorous than previous rules. This is a general evaluation that consisted of transects across the tract, free -style soils mapping and shallow borings within accessible areas, qualitative estimates of the land and soil properties, and review of existing maps or information on these areas. No quantitative on -site or specific testing was completed as part of this evaluation that can be required for NCDWQ stormwater permitting. According to NCDENR-DWQ rules, coastal stormwater may be treated by infiltrative devices, detention treatment basins, or an equivalent aftemative method when the proposed project is greater than 1 acre in size, has >12% residential impervious surfaces, >10,000 sgft non-residential impervious surfaces, and are within Y2 mile of Class S.A. Watersor their unclassified tributaries. Coastal lands that are >'/x mile from Class S.A. Waters or their unclassified tributaries allow up to 24% residential impervious surface for low -density development, or 10,000 sgft non-residential impervious surfaces, before requiring engineered stormwater treatment systems. Based upon USGS and_ NCDWQ maps. this tract aopears to be lust outside the 112 mile distance from S.A. Waters, and appears to drain towards the S and SW and eventually to the headwaters of Eastman Creek, which is classified as Class -SA Waters (see topo andDWQ map?. It appears a high density project within these tracts would require prescriptive engineered stormwater treatment methods and design if the lands exceed 24% impervious surface. Infiltration methods or infiltrative "best management practices' (BMP) are utilized for stormwater treatment on coastal high density projects to preserve space or due to inadequate drainage outlets. Detention stormwater treatment ponds may also be used if they do not directly discharge to S.A. waters through "effective infiltration" secondary methods. Low density projects (<12% to <24% residential impervious surface or <10,000 sgft non- residential impervious surface) should not require engineered stormwater treatment systems. Historically existing i11 mpervious surfaces should be exempted from stormwater density calculations, and then new development should DIY a comply with current NCDWQ stormwater requirements as much as practicable, but none were found on this tract. cl -ds Principle soil and site standards for high density development with an engineered infiltration system are: ---the infiltration system's bottom must be ?2 ft from the seasonal high water table;. --must be capable of complete draw- www.lmgroup.net - infoLlmgroup.net • Phone: 910.452,0001 • Fax: 910.452.0060 31305 Wrightsville Ave., Suite 15, Wilmington, NC 28403 • P.O. Box 2522, Wilmington, NC 28402 down within a >3 to <5 days; ---the soil's hydraulic conductivity must be >0.52 inlhr; ---must have >12 inches natural soil without a seasonal water table before fill material is utilized; ---historic fill materials (<1977) can be used as natural soils if it meets the minimum site criteria stated above;---stormwater runoff must be controlled and treated on -site for a 1.5 inch rainfall, or the difference in run-off from pre 1 post development conditions for the 1 year 24 hr annual storm event (-3.8 inches), whichever is greater. Detention stormwater ponds are to be designed to hold the calculated run-off volume for a >3 to <5 day time period, and maintain the permanent pool elevation +1- 6 inches of the seasonal high static water table. This tract is located on a typical coastal plain geomorphic setting, consisting very gently sloping to level, flatwoods with 0 - <2% slopes. General elevations are >5 — <10 ft, based upon general USGS topographic maps. The tract consists of coarse -loamy to fine -loamy soil materials, with increasing clay content to +50 inch depths. The tract is relatively uniform as to soil types. It has open ditches >2.5 — 4 ft deep on the west, north and east perimeter, which have altered drainage conditions within the tract. The enclosed land & soils map shows the land/soil types found (see soils map). The following is a brief description of the land and soil types found, and potentials for stormwater treatment usage: The "Brown" Areas (see map) are poorly drained to somewhat poorly drained, based upon existing drainage improvements and present soil indicators. The soils have coarse -loamy to loam surface soil materials, and sandy clay loam to day loam subsoil and substratum materials to a +50 inch depth. The estimated, altered seasonal high water static water table is +12 - <20 inches from the present surface, pending location from historic drainage and based upon soil wetness indicators and general elevations. Estimated permeability is 100 — +300 min/in or <0.2 — 0.6 inlhr to +50 inch depths from present surface, based upon soil texture and structure. Soil types found are similar to Tomotley drained phase soil series. These soil areas are not recommended for stormwater infiltration usage due to slower permeability with depth and seasonal wetness conditions. Detention ponds would have to maintain the permanent pool elevation between 6 - 26 inches from the present ground surface, which would require additional major site fill improvements or engineered sidewall berms. Careful planning and design should be exercised to insure adequate and usable soil areas are reserved in the conceptual design for any future development in order to allow for on -site stormwater treatment usage. The soil areas evaluated have moderate to severe limitations for usage with on -site stormwater detention 1 retention systems, pending final design location. Low -density should also be an option if design impervious surfaces are TV%. NCDENR-DWQ or local Universal stormwater rules are the regulatory agency over stormwater systems and have final review, approval, and permitting authority. These and other regulatory agencies must be contacted for their reviews, general concurrences, and required permits before initiating any development activities. We recommend NCDWQ and appropriate agencies to review pre -application plans for their general concurrence as to site locations for final design considerations. Detailed soil logs can be provided upon request, Lary F. Baldwin, CPSSISC / ARCPACS #2183; NCLSS #1040 1 a ; r 0 4 2012 BY: c lid Q S7I1TE CV KWIM CrMO.TN, CMTCfCT COLN" �r mfm+ w +LI ...;wwm"L re WI " AAT �Illw n 9r r r OI.'rrer r 0 M +o ZL- pall F Ww"oo GMEi7M W=cv W w vrml r Ceefim LA. w.lr. rW .i M M %NW -I •I!. -TI rAt�.'11 is r•rrrll M7'7 r. rlm, A.. rrra . ry 4C-Aw . IPIR . 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NC Department of £nvrronment and Natural Resources Water Quality - NCDWQ Starmwater Permitting map Back to Stormwater Permitting (w4p itporuLpw&nr.orl 9wvrutmamI NEWS DWQ Stormwater Permitting Map Viewer Enter Address: Find Address Reset Latitude (decimal degrees, N1 Longitude (decimal degrees, WI. Find Location Need to Convert degrees. minutes, smonth to decimal format? OMWIItMdtlarr.rc[ prImbraUdI0IbruaIobarlrISS-0acM A"I Of. lLSt t-;.w 1. 77. :.{..ce .,XN ell". *-i � .. - � �d Addrm firm flNy rrtfh tlra mq✓ C nnlact Betirerty Grar�wl las it (P10] Sp7 0]72 r3r tietlurry.4earQaul lasBncdellr.pr Click on the map to set permitting information. Please check with the local government to verity current boundaries and sptcijic stormwater requirements. a. a MUM F'llrnlW R` AIRr10f1[lei J i[ Ln in-ml of She Watts �a elms• MW *era ww 00ope paaaaia4 f Natant*! 1wdcrrrl ain h M4�+frF — C-1110 Fasts TOY- pF ---F-W mil Yore. IW 1010 raiaraaca rar r dKoev pmdaas to loos araar prrW O i I p �• I r_ 11` g Ed H C Department of Environment and Natural Resources (j (� �} A/ 16Q1 mm Service Lenrcr. Patoot, NC 276WIWI OCTT V 4 2012 r5r1h� a tn. rfmJrdanl.rr uno N 1rlMat Hr v [n t u i lv! 217 W- Jones St ard+dfk e4nktffN $12 N. Sa M&AV St_ rr+r t, IV71 0Z1.6748 http://portal.ncdenr.org/web/wq/ws/su/sw-permitting-map 7/21/2012 LAND & SOILS MAP WITHIN PORTION OF THE TOWN of BEAUFORTTRACT —2Acres FOR POTENTIAL STORMWATER TREATMENT USABILITY Beaufort NW Area - Beaufort Township - Carteret County - North Carolina N SCALE: 1 Inch = 100 Fort (all lines paced & approximate) JULY - 2012 This is a qushlahv& srxls evaluation for planning Purposes. Permit approvals may r&pre adddionaf Soa1t & site evaluations, and/or regulatory concurrences with these findings. Tivs is not an accurate surrey. (NC (NC Forest Service) ID SC. Potential soil areas for storrnwater treatment usage through retention with major fill site improvements. Estimated altered seasonal high static water table +12" - <20" from present ground surface. Estimated permeability 100 - +300 min/in (<0.2 - 0.60 in/hr) to —50' depths. Drained phases of Tornotley soil types - Existing open ditching +2.5 - 4 ft deep. Land Management Group, Inc. OCT 0 4 2012 DWQ USE ONLY Date Received Fee Paid Permit [dumber Applicable Rules: 0 Coastal SW -19 5 ❑ Coastal SW - 2008 ❑ Ph 1I - Post Construction (select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ Mgmt Plan: State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied for use as an original 1. GENERAL INFORMATION 1. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Beaufort Fire Department Substation 2. Location of Project (street address): 2731 Highway 1.01 City:Beaufort County:Carteret _ Lip:28516 3. Directions to project (from nearest major intersection): Approximately_6.6 miles north from the intersection of Highway 70 East and Highway_ 101 in Beaufort Project on the left side of Highway 101, just past Steel Tank Road 4. Latitude:34° 48' 54" N Longitude:76* 40' 39" W of the maul entrance to the project. II. PERMIT INFORMATION: 1. a. Specify whether project is (check one): ®New []Modification [] Renewal w/ Modificationt tRenewals with modifications also requires SWI.I-702 - Renewal Application Form b.If this application is being submitted as the result of a modification to an existing permit, list the existing permit number its issue date (if known) and the status of construction: ❑Not Started ❑Partially Completed* ❑ Completed* *provide a designer's certification 2. Specify the type of project (check one): ❑Low Density ®High Density ❑Drains to an Offsite Stormwater System ❑Other 3. If this application is being submitted as the result of a previously returned application or a letter from DWQ requesting a state Stormwater management permit application, list the stormwater project number, if assigned, and the previous name of the project, if different than currently proposed, 4. a. Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748): ❑CAMA Major ®Sedimentation/Erosion Control: 2_5 ac of Disturbed Area ❑NPDES Industrial Stormwater ❑404/401 Permit: Proposed Impacts bAf any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit: 5. Is the project located within 5 miles of a public airport? ®No • ❑Yes If yes, see S.L. 2012-200, Part VI: http://12ortai.i-icdenr.org/web/wq/ws� Form SWU-101 Version 06Aug2012 Page 1 of 6 III. CONTACT INFORMATION 1. a. Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee, designated government official, individual, etc. who owns the project): Applicant/Organization:Town of Beaufort Signing Official & Title:, Charles W. Burgess, Ir., Town Manager b.Contact information for person listed in item 1a above: Street Address: 215 Pollock Street City: Beaufort State: NC Zip: 28516 Mailing Address (if applicable): P.O. Box 390 City: Beaufort State: NC Zip: 23516 Phone: ( 252 ) 728-21.41 Fax: 252 728-3982 Email: c.burgess@beauforttic.org c. Please check the appropriate box. The applicant listed above is: ®The property owner (Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below) ❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and 2b below) ❑ Developer* (Complete Contact Information, item 2a and 2b below.) 2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the person who owns the property that the project is located on): Property Owner/Organization: Signing Official & b.Contact information for person listed in item 2a above: Street Ad City: Mailing Address (if applicable City: Phone: Email: State: Zip: State: Zip: Fax: ( i 3. a. (Optional) Print the name and title of another contact such as the projects construction supervisor or other person who can answer questions about the project: Other Contact Person/Organization: Signing Official & Ti b. Contact information for person listed in item 3a above: Mailing Address: City: Phone: Email: State: Zip: Fax: 4. Local jurisdiction for building permits: Town of Beaufor Point of Contact: Mike Morris Phone #: ( 252 Form SWU-101 Version 06Aug20t2 Page 2 of 6 728-2141 OCT U 4 2012 BY: 1 IV. PROJECT INFORMATION 1 In the space provided below, briefly summarize how the stormwater runoff Tvith be treated.-' - Prianuir.y treatment by a wet detention_pond with required storage orifice discharge being treated by a secondaryBMP (level spl-eader/vegetated filter strip) 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Date: b.If claiming vested rights, identify the regulation(s) the project has been clesigned in accordance with: ❑ Coastal SW -1995 ❑ Ph II - Post Construction 3. Stormwater runoff from this project drains to the White Oak _ _ River basin. 4. Total Property Area: 1.81 acres 5. Total Coastal Wetlands Area: 0 acres 6. Total Surface Water Area: 0 acres 7. Total Property Area (4) -Total Coastal Wetlands Area (5) -Total Surface Water Area (6) = 'Total Project Area+: 1.81 acres Total project area shall be calculated to exclude the follozoilig, the normal pool of impounded structures, the area between the batiks of strearrrs and rivers, the area below the Norinal High Water (NHW) line or Meat High Water (MHW) lute, and coastal Wetlands landward from the NHW (or MHW) lute. The resultant project area is used to calculate overall percent built tipoii a -ea (BUA). Noit-coastal wetlands laitdzvard of the NHIIV (or i14NW) litre stay be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 36.81 % 9. How many drainage areas does the project have? 1 (For high density, coins t 1 for each proposed engineered stormwater BMP. For low density and other projects, rise 1 for the whole property area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin Information Draina e Area 1 Drainage Area_ Draina e Area _ Drainage Area Receivin Stream Naive Eastman Creek Stream Class * SA-I-IQW Stream Index Number * 21-24-1 Total Drainage Area (so 41,500 sf On -site Drainage Area (so 41,500 sf Off -site Drainage Area (so 0 sf Proposed Impervious Area* (so 29,050 sf % Impervious Area"* total 70% Ian ervious" Surface Area Drainage Area 1 Drainage Area _ Drainage Area _ Drainage Area On -site Buildings/ Dots (sf) 8, sf On -site Streets (so On -site Parking (sf) '16,812 sf On -site Sidewatks (so 740 sf Other on -site (so " Future (sf) 2-,N<sf G Off -site (so Existing BUA*x" (sf} r_ r� Total (sf): 29,050 sf Stream Class and Index Ntunber can be determined at: lit t /t�ni'tal.ticdeitt'.ot; /zoeb�ur s/cstt/classi�icafioits �* Itnjj�erviotts area is defined as the built ripoit area inclrrditrg butnot limited to, Uitildiiigs, roads, parking areas, sideivaiks, gravel areas, etc. Fonn SWU-101 Version 06Aug2012 Page 3 of 6 'Report only that ainount of existing BUA that will remain after developinent. Do not report any existing BUA that —is-to.be-renioued_artd.zuliiclt_will.be_replaced.bp_itew_BUA. 11. How was the off -site impervious area listed above determined? Provide documentation. N Projects in Union County: Contact DWQ Central OfJce staff to check if the project is located within a Threatened & Endangered Species watershed that may be subject to store .su•ingettt stornn+°ester requirements as per 1 SA NCAC 02B .0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded from http://portal.ncdenr.org/%veb/wq/�vsist>Lbmp-manual. VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ). A complete package includes all of the items listed below. A detailed application instruction sheet and BMP checklists are available from _docs. The complete application package should be submitted to the appropriate DWQ Office. (The appropriate office may be found by locating project on the interactive online map at ht`tl2l/12ortal.ncdenr.or /ss�ebj%%,q/s,,s/su/maps.) Please indicate that the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions for each submitted application package from littp:/Lportal.ncdenr.org/iveblivq/Vnrs/suLstatesw//forms_docs. Initials 1. Original and one copy of the Stormwater Management Permit Application Form. GYT 2. Original and one cope of the signed and notarized Deed Restrictions & Protective Covenants GYT Form. (if required as per Part VII below) 3. Original of the applicable Supplement Form(s) (sealed, signed and dated) and O&M agreement(s) for each BMP. 4. Permit application processing fee of $505 payable to NCDENR, (For an Express review, refer to http://www.envhelp.org/pages/onestopexpress.11tml for information on the Express program and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) 5. A detailed narrative (one to two pages) describing the stormwater treat-vent/management 6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the receiving stream drains to class SA waters within'/z mile of the site boundary, include the 1/2 mile radius on the map. 7. Sealed, signed and dated calculations (one copy). 8. Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including: a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North arrow. f. Scale. g. Revision number and dates. h. Identify all surface waters on the plans by delineating the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or NI-IW line of tidal waters, and any coastal wetlands landward of the MHW or Ni-1W lines. • Delineate the vegetated buffer landward from the normal pool elevation of impounded structures, the banks of streams or rivers, and the MHW (or NHW) of tidal waters. i. Dimensioned property/project boundary with bearings & distances. f;Z]F,4 S't L t 'tl 11 RTTA i t'f' d d ci' 'o ned GYT GYT for GYT GYT GYT GYT 1. t e ayou w� 1 a r� en i ie an �mens� � k. Existing contours, proposed contours, spot elevations, finished floor elevations. 1. Details of roads, drainage features, collection systems, and stormwater control meas res. m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by Y: qualified person. Provide documentation of qualifications and identify the person w made the determination on the plans. n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations. o. Drainage areas delineated (included in the main set of plans, not as a separate document). p. Vegetated buffers (where required). Form SWU-101 Version 06Aug2012 Page 4 of 6 9. Copy of any applicable soils report with the associated SHWT elevations _(Please identify G y r elevations in addition to depths) as well as a map of the boring Iocations with the existing elevations and boring logs. Include an 8.5"x11" copy of the NRCS County Soils map with the project area clearly delineated. For projects with infiltration BMPs, the report should also include the soil type, expected infiltration rate, and the method of determining the infiltration rate. (Infiltration Devices submitted to WiRO: Schedide a site visit for DWQ to verifij the SHINT prior to subtuittal, (910) 796-7378.) 10. A copy of the most current property deed. Deed book: 31 Page No: 875 6 y T 11. For corporations and limited liability corporations (ITC): Provide documentation from the NC MIA Secretary of State or other official documentation, which supports the titles and positions held by the persons listed in Contact Information, item -]a, 2a, and/or 3a per 15A NCAC 2H.1003(e). The corporation or LLC must be listed as an active corporation in good standing with,the NC Secretary of State, otherwise the application will be returned. http:// www.secretary.state.nc.us/Corporations/CSearch.aspx VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly'or'the-pro posed BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon arealniustUe'provided as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions aiid protective covenants forms can be downloaded from t-? http://portaLnccienr.orgZweb /wq/wsIsu/statesw/forms does. Download the Iatest versions for each submittal. In the instances where the applicant is different than the property owner, it is the res'ponsibili,ty of the property owner to sign the deed restrictions and protective covenants form while the applicant., is'-xespoiisible_fat en;;uring that the deed restrictions are recorded. By the notarized signature(s) below, the permit holder(s) certify that the recorded properfylrestrictions'and protective covenants for this project, if required, shall include all the items required in the perinif aiid listed on the forms available on the website, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the NC DWQ and that they will be recorded prior to the sale of any lot. Vill. CONSULTANT INFORMATION AND AUTHORIZATION Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information). Consulting Engineer: Ginger Turner, P.E. Consulting Firm: Stroud Engineering, P.A. Mailing Address: 10713 Commerce Street City: Greenville State: NC Zip: 27858 Phone: ( 252 ) 756-9352 Email: eturncr®stroudengineer.corn Fax: ( 252 ) 756-2345 IX. PRO 11ERTY OWNER AUTHORIZATION (if Cori tact Information, item 2 lins been filled out, co)nplete this section) I, (print or type name of person listed in Contact Information, item 2a) certify that I own the property identified in this permit application, and thus give permission to (print or,,type frame of pgrson listed in Contact Information, item 1a) with (print or type natrre of'organization listed ire Contact Inforniatiot, item 1a) to develop the project as;currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the 'submittal, which indicates the party responsible for the operation and maintenance of the stormwater system. ., '.k: 00 [ U.4 2012 M. Donn SWU-101 Version 06Aug2012 Page 5 of 6 As the legal property owner I acknowledge, understand, and agree by my signature below, that if nay designated agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their lease agreement, or pending sale, responsibility for compliance with the DWQ Stormwater permit reverts back to rne, the property owner. As the property owner, it is my responsibility to notify DWQ immediately and submit a completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including the assessment of civil penalties of up to $25,000 per day, pursuant to NCGS 143-215.6. Signature: � Date: a Notary Public for the State of , County of do hereby certify that Llos personally appeared before me this J&ay of ✓ Q11 2 , and a k owI dge due execution of the application for a stormwater permit. Witness my hand and official seal, 1101 . O � IOTA 9 �w pU B L\C' 14#1611% X. APPLICANT'S CERTIFICATION SEAT. My commission expires 1, (print or hype name of person listed in Contact Information, item ]a) Charles W. Burgess, Jr., Town Manager certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of the applicable stormwater rules under 15A NCAC 2H .1000 and any other applicable state stormwater requirements. Signature: 6 / Date: I, 1 I Lo a Notary Public fo ie State of County of �erb--Pzt�, do ereby certify that � Ss personally appeared before me thisZday ofnd acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seaL, ` %NE S,Br, #'' �0TA,q` U� 9 U B L\ - 2 .- hei�C0r+``'. SEAL, My commission expires /0 201 OCR �. 4 1.012. form SW11-101 Version 06AuQ2012 Pape 6 of rya C-0c, q/6