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HomeMy WebLinkAboutSW7070905_HISTORICAL FILE_20120217STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. sw:ZOZok DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD Vinson, Scott From: Vinson, Scott Sent: Friday, February 17, 2012 3:30 PM To: 'usamove@gmail.com' Subject: FW: Mr. Bayer, It is understood from Mrs. Allison Ward, that you may wish to rescind the State Stormwater permit, No. SW7070905, for 'First Carolina Realtors Office, issued to Mr. Lawrence J. Bayer, Jr., on Nov. 5, 2007. The permit is set to expire on Nov. 5, 2021 & would be required to be renewed at that time. In order to rescind the permit, we will need a signed letter stating that no development has occurred and there are no plans in the future to develop this project. Please understand that if any future development of the site is planned a State SW permit will be required to be applied for and received prior to the start of any construction. Please mail your Rescission Request letter to my attention in Washington at the address below. Please call or write if you have any questions. Sincerely, Scott Scott Vinson NCDENR - DWQ 943 Washington Square Mall Washington, NC 27889 Office:(252) 946-6481 Direct:(252) 948-3848 *E-mail 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. -----Original Message ----- From: Ward, Allison Sent: Thursday, February 16, 2012 3:08 PM To: Vinson, Scott Subject: FW: Scott - the permit no. is sw707O9O5. I let Mr. Bayer know that I was passing this onto you and that you would let him know what was needed to close that permit. Our project name was First Carolina Realtors Office Thanks again Allison Ward Environmental Specialist NCDENR - Land Quality Section WaRO 943 Washington Square Mall Washington, North Carolina 27889 Phone: 252-946-6481 Fax: 252-975-3716 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. -----Original Message ----- From: Joey Bayer [mailto:usamove(@gmail.com] Sent: Wednesday, February 15, 2012 1:55 PM 1 To: Ward, Allison Subject: Dear Allison Please find the attached inspection report requesting information. Alice Bayer our mother has passed and family members now own the property. We now have no intentions to proceed with this project. Also can I get the mailing address changed to: Joey Bayer 124 Joseph Drive Havelock, NC 28532 for the notifications? I moved from Emerald Isle to Havelock. Can we cancel this file? Thank you Joey Bayer z IREGERVED FINANCIAL RESPONSIBILITY/OWNERSHIP FORM SEP 6 2001 SEDIMENTATION POLLUTION CONTROL ACT �p� efor No person may initiate any land -disturbing activity on one or more acres as covered by thM be- th o form and an acceptable erosion and sedimentation control plan have been completed and approved by the Land Quality Section, N.C. Department of Environment and Natural Resources. (Please type or print and, if the question is not applicable or'the e-mail and/or fax information unavailable, place N/A in the blank.) Part A. Project Name First Carolina Realtors Office 2. Location of land -disturbing activity: County Craven City or Township Havelock Highway/Street916 E Main Street Latitude340 53.613' N Longitude 760 55.477' W 3. Approximate date land -disturbing activity will commence: November 1, 2007 4. Purpose of development (residential, commercial, industrial, institutional, etc.): Commercial 5. Total acreage disturbed or uncovered (including off -site borrow and waste areas): 2•22 Acres 6. Amount of fee enclosed: $ 195.00 The application fee of 600 per acre (rounded up to the next acre) is assessed without a ceiling amount (Example: a 9-acre application fee is $450). 7. Has an erosion and sediment control plan been filed? Yes X No Enclosed X 8. Person to contact should erosion and sediment control issues arise during land -disturbing activity: Name Joseph C. Avolis, P.E. E-mail Address avoliseng@lpmonline.net Telephone 252-633-0068 Cell # 252-671-9334 Fax # 252-633-6507 9. Landowner(s) of Record (attach accompanied page to list additional owners): Alice J. Bayer Name P.O. Box 5029 Current Mailing Address Emerald Isle, NC 28594 City State Zip 252-622-9676 Telephone Fax Number Current Street Address City State Zip 10. Deed Book No. 0759 Page No. 0048 Provide a copy of the most current deed. Part B. Person(s) or firm(s) who are financially responsible for the land -disturbing activity (Provide a comprehensive list of all responsible parties on an attached sheet): Alice J. Bayer Name E-mail Address P.O. Box 5029 . Current Mailing Address Current Street Address Emerald Isle, NC 28594 City State Zip City State Zip Telephone 252-622-9676 Fax jOO� r '-i I,- AVOLIS ENGINEERING, P.A. Za P.O. Box 15564 • New Bern, North Carolina 28561 • (252) 633-0068 Soil Boring Report First Carolina Realtors Office SEP 1 0 2007 Slocum Avenue/US Highway Service Road Havelock, NC DWQ-WAR® Craven County A single soil boring was made at the proposed wet pond location for the First Carolina Realtors office and associated mini storage facility. The soil boring was completed on August 27, 2007 with a hand auger. The Craven County Soil Survey maps the soil on the site as the Goldsboro type. Goldsboro is described as a moderately well drained soil on uplands. The typical Goldsboro soil description is a loamy fine sand in the upper 10 inches, a fine sandy loam at a depth of 10 to 13 inches, a sandy clay loam at a depth of 13 to 39 inches, a sandy clay loam at a depth of 39 to 62 inches and a sandy clay loam at a depth of 62 to 72 inches. At the depths to be disturbed by this project, the Goldsboro soil is listed as having a permeability ranging from 0.2 to 2.0 inches/hour. The on site soil boring indicated the following soil characteristics: 0 to 9 inches: Tan sandy loam 9 to 18 inches: Light grayish loam 18 to 22 inches: Brownish yellow sandy loam 22 to 24 inches: Light yellowish brown sandy clay loam 24 to 36 inches: Orangish clay 36 to 72 inches: Orangish sandy loam 72 to 84 inches: Whitish orange sand The depth to the seasonal high groundwater at the boring location was 4 feet which corresponds to an elevation of 20.0 feet. The site is suitable for the construction of a wet detention pond. �. p •S y s L AVOLIS ENGINEERING, P.A. P.O. Box 15564 - New Bern, North Carolina 28561 - (252) 633-0068 RECEIVED Stormwater Management Narrative SEP 1 2��� First Carolina Realtors Office Slocum Avenue/US 70 Service Road Havelock, NC DWQ-WAR® Craven County This project proposes a high density development consisting of a real estate office building and six individual mini -storage buildings. The site totals 2.22 acres in size. The site is located near the Southwest Prong of Slocum Creek which is classified as C; Sw, NSW. The site is not within any Neuse Riparian Buffer setback areas. The site does not contain 404 or Coastal wetlands. The site is subject to the City of Havelock Nutrient reduction requirements. The site is currently a grassed field. The site proposed built -upon area is 58.1 %. A wet detention pond is proposed in order to treat the runoff associated with the one -inch rainfall event and to attenuate the peak runoff rate as required by the City of Havelock. The wet pond is sized to provide 90% TSS removal. Treatment at the pond outlet is provided by a 3:1 side slope grass swale. Runoff into the pond is delivered via a piping system. A forebay is provided at the head of the pond. A perimeter planted vegetative shelf is provided with one-half of the shelf below the permanent pool level and one-half above the permanent pool level. The outlet structure will have a 1.25-inch orifice which will draw down the temporary pool in approximately 72 hours. The pond has a length to width ratio of 3 to 1. The pond discharges to the adjacent roadside swale which presently receives the runoff. SEP 1 0 2007 DWQ-WAR® STORMWATER CALCULATIONS First Carolina Realtors Office & Mini Storage 916 East Main Street Havelock, North Carolina Prepared by: Avolis Engineering, P.A. P.O. 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Z4- �1= S'le 7 Zp, 43 i} 7-�,J L/ i P � Ads A qr T-izcATFq _ (n• 033 kc)(Z I z�l �l �zJ = o • �v TN �� I Gru�ss�v A ,{s mT- —n wA-- _ (0,06 a��) C�. Z �Ta/�ch>Z) = o, s8 9 f pbl"J"i /"ou., #4,sz-.47 Hydrograph Summary Report Page t Hyd. Hydrograph Peak Ttma Time to Volume Return Inflow Maximum Maximum Hydrograph No. type flow Interval peak period hyd(s) elevation storage description (origin) (cts) (min) (min) (tuft) (y rs) 00 (cult) 1 Rational 8.18 1 10 4,910 10 - 10-YR, 20-MIN 2 Rational 6.15 1 20 7,384 10 - 10-YR, 30-MIN 3 Rational 4.34 1 40 10,419 10 - 10-YR, 40-MIN 4 Rational 3.84 1 50 11,519 10 - 10-YR, 50-MIN 5 Rational 3.46 1 60 12,468 10 - 10-YR, 60-MIN 6 Rational 3.17 1 70 13,306 10 - 10-YR, 70-MIN 7 Rational 2.93 1 80 14,061 10 - 10-YR, 80-MIN 8 Rational 2.73 1 90 14,751 10 - -- 10-YR, 90-MIN 9 Rational 2.56 1 100 15,387 10 - 10-YR, 100-MIN 10 Rational 2.42 1 110 15,979 10 - 10-YR, 110-MIN 11 Rational 2.30 1 120 16,534 10 - 10-YR, 120-MIN 12 Rational 2.19 1 130 17,057 10 - 10-YR, 130-MIN 13 Rational 2.09 1 140 17,553 10 - 10-YR, 140-MIN 14 Rational 2.00 1 150 18,024 10 - 10-YR, 150-MIN 15 Reservoir 0.04 1 20 2,332 10 1 21.70 4,889 10-YR, 20-MIN 16 Reservoir 1.06 1 37 4,515 10 2 21.98 6,776 10-YR, 30-MIN 17 Reservoir 1.73 1 64 7,482 10 3 22.10 7,825 10-YR, 40-MIN 18 Reservoir 1.76 1 77 8,556 10 4 22.12 8,007 10-YR, 50-MIN 19 Reservoir 1.78 1 89 9,479 10 5 22.13 8,094 10-YR, 60-MIN 1 101 10,293 10 6 22.13 8,116 p 10-YR, 70-MIN 20 Reservoir 1.78 21 Reservoir 1.78 1 111 11,025 10 7 22.13 8,098 10-YR, 80-MIN 22 Reservoir 1.77 1 122 11,690 10 8 22.13 8,054 10-YR, 90-MIN 23 Reservoir 1.76 1 131 12,302 10 9 22.12 7,994 10-YR, 100-MIN 24 Reservoir 1.75 1 141 12,869 10 10 22.11 7,926 10-YR, 110-MIN 25 Reservoir 1.74 1 149 13,399 10 11 22.10 7,857 10-YR, 120-MIN Proj. file: BAYER.GPW I OF file: NEW BERN.IDF I Run date: 08-27-2007 1 Hydrograph Report Page 1 English Hyd. No. 20 10-YR, 70-MIN Hydrograph type = Reservoir Peak discharge = 1.78 cfs Storm frequency = 10 yrs Time interval = 1 min Inflow hyd. No. = 6 Reservoir name = BAYER Max. Elevation = 22.13 ft Max. Storage = 8,116 cuft storage Indication memod used. Total Volume = 10,293 cult Hydrograph Discharge Table Time Inflow Elevation Clv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Outflow (min) cfs It cfs cfs cfs cfs cfs cfs cfs cfs cfs 70 3.17 << 21.93 1.41 0.03 - - 0.72 - - - 0.76 80 2.72 22.06 1.65 0.02 - - 1.64 - - - 1.52 90 2.26 22.12 1.75 0.02 - - 2.09 - - - 1.75 100 1.81 22.13 1.78 0.01 - - 2.25 - - - 1.78 110 1.36 22.12 1.76 0.02 - - 2.13 - - - 1.76 120 0.91 22.08 1.69 0.02 - - 1.80 - - - 1.63 130 0.45 22.03 1.58 0.03 -- -- 1.38 - - - 1•34 140 0.00 21.95 1.46 0.03 - - 0.88 - - - 0.91 150 0.00 21.89 1.35 0.03 -- - 0.51 - - - 0.55 160 0.00 21.85 1.25 0.03 - - 0.34 - - - 0.37 170 0.00 21.83 1.19 0.03 - - 0.22 - - - 0.25 180 0.00 21.81 1.15 0.03 - - 0.14 - - - 0.17 190 0.00 21.79 1.12 0.03 - - 0.10 - - - 0.13 200 0.00 21.78 1.10 0.03 - - 0.09 - - - 0.12 210 0.00 21.77 1.08 0.03 - - 0.08 - - - 0.11 220 0.00 21.76 1.06 0.03 - - 0.07 - - - 0.10 230 0.00 21.76 1.05 0.03 - - 0.06 - - - 0.09 ...End Reservoir Report Page t Reservoir No. 1 - BAYER Pond Data Pond storage is based on known contour areas Stage 1 Storage Table English Stage ft 0.00 1.00 2.00 3.00 Elevation ft 21.00 22.00 23.00 24.00 Contour area Incr. Storage Total storage sqft cuft cult 5,655 0 0 8,216 6,936 6,936 9,512 8,864 15,800 10,880 10,196 25,996 Culvert I Orifice Structures Weir Structures [A] [B] [C] ID] [A] [B] IC] [D] Rise in = 18.0 1.3 0.0 0.0 Crest Len ft = 3.1 0.0 0.0 0.0 Span in = 18.0 1.3 0.0 0.0 Crest El. ft = 21.75 0.00 0.00 0.00 No. Barrels = 1 1 0 0 Weir Coeff. = 3.00 0.00 0.00 0.00 Invert El. ft = 21.00 21.00 0.00 0.00 Eqn. Exp. = 1.50 0.00 0.00 0.00 Length ft = 40.0 0.1 0.0 0.0 Multi -Stage = Yes No No No Slope % = 0.20 0.10 0.00 0.00 N-Value = .024 .013 .000 .000 Orif. Coeff. = 0.60 0.60 0.00 0.00 Multi -Stage = - Yes No No Tailwater Elevation = 16.80 ft Note. All outlbrs nave peen analyted under inlet and outlet Denim;. Stage I Storage 1 Discharge Table Stage Storage Elevation Clv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Discharge ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 21.00 0.00 0.00 - - 0.00 - - - 0.00 0.10 694 21.10 0.03 0.00 - - 0.00 - - - 0.00 0.20 1,387 21.20 0.11 0.02 - - 0.00 - - - 0.02 0.30 2,081 21.30 0.21 0.02 - - 0.00 - - - 0.02 0.40 2,774 21.40 0.36 0.02 - - 0.00 - - - 0.02 0.50 3,468 21.50 0.55 0.03 - - 0.00 - - - 0.03 0.60 4,161 21.60 0.71 0.03 - - 0.00 - - - 0.03 0.70 4,855 21.70 0.95 0.03 - - 0.00 - - - 0.03 0.80 5,548 21.80 1.13 0.03 - - 0.11 - - - 0.14 0.90 6,242 21.90 1.37 0.03 - - 0.55 - - --- 0.58 1.00 6,936 22.00 1.53 0.03 - - 1.18 - - - 1.21 Continues on next page... BAYER Stage / Storage 1 Discharge Table Stage Storage Elevation Clv A ft cuft ft cfs 1.10 7,822 22.10 1.73 1.20 8,708 22.20 1.89 1.30 9,595 22.30 2.00 1.40 10,481 22.40 2.08 1.50 11,368 22.50 2.02 1.60 12,254 22.60 3.02 1.70 13,140 22.70 3.77 1.80 14,027 22.80 4.39 1.90 14,913 22.90 4.94 2.00 15,800 23.00 5.43 2.10 16,819 23.10 5.87 2.20 17,839 23.20 6.29 2.30 18,858 23.30 6.68 2,40 19,878 23.40 7.05 2,50 20,897 23.50 7.40 2.60 21,917 23.60 7.74 2.70 22,937 23.70 8.06 2.80 23,956 23.80 8.37 2.90 24,976 23.90 8.67 3.00 25,996 24.00 8.95 End Page 2 Clv B Clv C Clv D Wr A Wr B Wr C Wr D Discharge cfs cfs cfs cfs cfs cfs cfs cfs 0.02 - - 1.95 - - - 1.73 0.00 - - 2.84 - - - 1.89 0.00 - - 3.84 - - - 2.00 0.00 - - 4.94 - - - 2.08 0.00 - - 6.12 - - - 2.02 0.00 - - 7.38 - - - 3.02 0.00 - - 8.72 - - - 3.77 0.00 - - 10.14 - - - 4.39 0.00 - - 11.62 - - - 4.94 0.00 - - 13.16 - - - 5.43 0.00 - - 14.78 - - - 5.87 0.00 - - 16.45 - - - 6.29 0.00 - - 18.18 - - - 6.68 0.00 - - 19.97 - - - 7.05 0.00 - - 21.81 - - - 7.40 0.00 - - 23.70 - - - 7.74 0.00 - - 25.65 - - - 8.06 0.00 - - 27.65 - - - 8.37 0.00 - - 29.70 - - - 8.67 0.00 - - 31.79 - - - 8.95 20 - Reservoir -10 Yr - Qp = 1.78 cfs 4 3- 2- 0 0 5 10 15 20 25 Time (hrs) / Hyd. 6 / Hyd. 20 NCDENR Stormwater BMP Manual Revised 07-02-07 Table 10-3 Surface Area to Drainage Area Ratio for Permanent Pool Sizing to Achieve 90 Percent TSS Pollutant Removal Efficiency in the Coastal Region, Adapted from Driscoll, 1986 Percent Permanent Pool Average Depth (ft) Impervious Cover 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5' 10 % 1.3 1.0 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 20% 2.4 2.0 1.8 1.7 1.5 1.4 1.2 1.0 0.9 0.6 30% 3.5 3.0 2.7 2.5 2.2 1.9 1.6 1.3 1.1 0.8 40% 4.5 4.0 3.5 3.1 2.8 2.5 2.1 1.8 1.4 1.1 50 % 5.6 5.0 4.3 3.9 3.5 3.1 2.7 2.3 1.9 1.5 60 % 7.0 6.0 5.3 4.8 4.3 3.9 3.4 2.9 2A 1.9 70% 8.1 7.0 6.0 5.5 5.0 4.5 3.9 3.4 2.9 2.3 80% 9.4 8.0 7.0 6.4 5.7 5.2 4.6 4.0 3.4 2.8 90 % 10.7 9.0 7.9 7.2 6.5 5.9 5.2 4.6 3.9 3.3 100% 12 10.0 8.8 8.1 7.3 6.6 5.8 5.1 4.3 3.6 The engineering design of a wet detention basin must include a 10-foot-wide (minimum) vegetated shelf around the full perimeter of the basin. The inside edge of the shelf shall be no deeper than 6" below the permanent pool level, and the outside edge shall be 6" above the permanent pool level. For a 10' wide shelf, the resulting slope is 10:1. With half the required shelf below the water (maximum depth of 6 inches), and half the required shelf above the water, the vegetated shelf will provide a location for a diverse population of emergent wetland vegetation that enhances biological pollutant removal, provides a habitat for wildlife, protects the shoreline from erosion, and improves sediment trap efficiency. A 10' wide shelf also provides a safety feature prior to the deeper permanent pool. Short-circuiting of the stormwater must be prevented. The most direct way of minimizing short-circuiting is to maximize the length of the flow path between the inlet and the outlet: basins with long and narrow shapes can maximize the length of the flow path. Long and narrow but irregularly shaped wet detention basins may appear more natural and therefore may have increased aesthetic value. If local site conditions prohibit a relatively long, narrow facility, baffles may be placed in the wet detention basin to lengthen the stormwater flaw path as much as possible. Baffles must extend to the temporary pool elevation or higher. A minimum length -to -width ratio of 1.5:1 is required, but a flow path of at least 3:1 is recommended. Basin shape should minimize dead storage areas, and where possible the width should expand as it approaches the outlet. Although larger wet detention basins typically remove more pollutants, a threshold size seems to exist above which further improvement of water quality by sedimentation is negligible. The water treatment volume within a wet detention basin is calculated as the total volume beneath the permanent pool water level, and above the sediment storage volume, including any such volume within the forebay. 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