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HomeMy WebLinkAboutSW8091113_HISTORICAL FILE_20220914STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 0q1 \ 13 DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ® HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION, DOC DATE 2 0 22 o q YYYYMMDD Burd, Tina J From: Burd, Tina J Sent: Friday, August 19, 2022 9:19 AM To: Barraco CIV Talia M Subject: SW8 091113 - P-688 Apron Expansion Phase II The Wilmington Regional Office of the Division of Energy, Mineral and Land Resources (Stormwater Section) accepted the Stormwater Permit Renewal Application and $505.00 fee for the subject project on August 10, 2022. The project has been assigned to Ashley Smith and you will be notified if additional information is needed. Best Regards, Tina Burd Administrative Associate II Wilmington Regional Office Division of Environmental Assistance & Customer Service Phone 910-796-7215 NCDEQ Wilmington Regional Office 127 Cardinal Drive Ext. Wilmington, NC 28405 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Website: http://deg.nc.gov/about/divisions/energy-mineral-land-resources/stormwater Based on the current guidance to minimize the spread of COVID-rg, the Department of Environmental Quality has adjusted operations to protect the health and safety of the staff and public. Nlauv employees are worhing r-enmtelyr oare on staggered shifts. To accommodate these staffing changes, all DEQoffice locations are limiting public access to appointments only. Please checle with the appropriate staff before -visiting our offices, as we may be able to handle your requests by phone or email. We appreciate your patience as we continue to serve the public during this challenging time. Non-TransfeE Application Completeness Review Checklist Project Name: Ago&\ Exppr�,b).) PRASE g Project County/Location: otJSLOa% / NICA Permit Action: New New Permit #2: f__1N Date Delivered to WIRO: 7r/,Z 0LZ RIMS Received/Accepted Date: A181c> /ZO 2- ZDate Given to Admin: 0 BIMS Acknowledged Date': 2 of ocated in the ETJ of the following delegated and functioning programs: NHC: Carolina Beach / Kure Beach / Wilmington / Wrightsville Beach Bruns: Leland / Navassa (?) / Oak Island Cart: Emerald Isle Onsl: Jacksonville Pend: Surf City Major Mod / Minor Mod / enewal , Existing Permit #: ❑Applicant & Permittee are the same?3 Expiration Date°: Permit Type: HD / LD / LD Overall / HD &LD Combo General Permit / Offsite / Exempt + Redevelopment Development Type: Commercial / Residential i� Subdivided?: Subdivision gle Lot Rule(s): J2017 Coastal 6L 008 Coastal u1995 Coastal Phase II Universal 01988 Coastal L-�18 09 1113 E-1011site to SWB: Ells Offsite Lot approved in Master Permit?s Permittee Type & Documents Needed: `Property Owner(s) Purchaser Lessee =HOA Developer =Viable? Viable? =Viable? =Viable? =Viable? Deed Purchase Agmt =Lease Election Minutes Paperwork Application ee: =$505 (within 6mo) Check#(s): (� =No Fee Supplement (1 new form or far older forms: 1 original per SCM) FJO&M2 Soils Report (Infil or PP) Calculations (signed/sealed) Deed Restrictions, if subdivided' Project Narrative FIUSGS Map (or on file?) Subject to SA?: Y / N Subject to ORW?: Y / N Plans (2 Sets) NOTES: 'Enter RIMS Acknowledged Date on this Sheet 2For New Projects -Enter New Permit # on Supplements & Deed Restriction Templates. ' If permittee is different, STOP. Needs to be transferred first. °If w/in 6 months and they are requesting a mod, STOP. Needs a renewal first. slf Lot not approved in master permit, STOP. Master permit needs mod. EMAILED ENGINEER DATE: Comments: REVIEWER NAME: S�( C G:WQ\\\Reference Libra ry\Procedures\Checklists\Co m p leten ess Review Checklist 20210908 4q/ ■ ASKELL HASKELL cel 904.791.4500 I I I Riverside Avenue fax 904.791.4699 ARCHITECTS AND ENGINEERS, P.A. Jacksonville, Florida 32202.4950 web www.haskell.com To: Ms. Janet Russell NCDENR Wilmington Office 127 Cardinal Drive Extension Wilmington, North Carolina 28405 PROJECT: MV-22 Aviation Complex MCAS New River Jacksonville, North Carolina 6601220 We are sending you ® herewith ❑ under separate cover DATE: September 23, 2015 Transmittal SUBJECT: NCDENR High Density and Low Density Permit Certifications the following documents on this project. NUMBER COPIES DRAWING NUMBER DATED TITLE OR DESCRIPTION PREPARED BY 1 09/23/15 SW8 091113 High Density Permit Designer Certification Haskell 1 09/23/15 SW8 100102 Low Density Permit Designer Certification Haskell These documents are being submitted to you: ❑ For your use. ❑ Please sign and return both copies; one executed copy will be returned to you ❑ For estimating purposes. E) For your approval. Please return (1) copy 'APPROVED" or, *APPROVED AS NOTED'. ❑ Approved. ❑ Due to revisions. Please acknowledge receipt, advising if these revisions will affect the ❑ Approved as noted. contract price. ❑ For REMARKS: COPIES TO: Mr. Kenneth J. Boeser Mrs. Myra W. Jones Mr. Michael R. McCarthy Mr. Larry W. Willis Very truly yours, HASKELL ARCHITECTS AND ENGINEERS, P.A. 1 --"� Travis M. Luman, P.E. Sr. Civil Engineer ECEIVE "I'll", BY:______�_ �I���fll����ii'i� °—�,,,,,,T- �--- �"" �''�■ ��"�- -- --�"'. �►�idplli�ilu'/� ��' �,pi �7 7----- ��` - .�,�- - _ =.'O i+N' ,J� 'iID;. -- .■.. ___■/�j�ll 1 i� lIII� _ \ q/1 qD I'N _-'----"it■, III ' + �InJc '.. iq nu��pi��w BN ■■■■NYI Erg NY. ELM or I I) I^I / soon�������IY■■ ■■■■ ■WN■■■■NI ■ ■IINII■ ■■■NN JEiZTIUAt- FACE C' WAV,(liAOF WW vrfI4) s Alod X 25 = 10)000 0 J lz CI L3� lk cf' OP ;: 9600 x RAINWATER HARVESTING CALCULATIONS AREA CALCULATED SQ FT NOTES Office Roof ��\\Sd 16,700 Hanger Roof 50,450 Vertical Face of Hanger Wall (over Office Area) 10,000 i Vertical Face of Superstructure 5,700 Total Area 75,000 Notes: [PC 1106.4 - Vertical Walls - states that "in sizing roof drains and storm drainage piping, one-half of the area of any vertical wall that diverts 1 rainwater to the roof shall be added to the projected roof area for inclusion in calculating the required sized of veritical conductors, leaders and horizontal storm drainage piping. - -. Custom Cistern Optimization Modeling from Wahaso Project: Camp Leleune VM-22 Hangar Location: Jacksonville, NC Water Sources: Rainwater and Cooling Condensate (75K Roof) Water Uses: Airplane Washing (37,600 gallons per week) Analysis Date: 6/26/2012 Wahaso's proprietary cistern size optimization model evaluates a range of potential cistern size options to help customers understand the trade-off between storage capacity and the annual savings of municipal water replaced by non -potable sources on -site. Wahaso's model uses six years of actual daily precipitation history for the project location to determine how each cistern option would have performed under actual local conditions day by day. As cistern size increases, a larger percentage of demand can be met from the non -potable source, but there are diminishing returns as the cistern grows. Wahaso's model accurately predicts the average annual water savings at each cistern size so that clients can understand the cost/savings trade off. We then recommend a cistern configuration to optimize the efficiency of the proposed system. - Cistern Size: 670 of Total Demand Met 'Projected Annual Savings of Munlcpsl Water Gallons; Change: from Previous Increment: Rain Event 91ze Capable. of getting Handled Indies 40,000 51,98% 1,561,231 - 1 50,000 54.57% 1,639,060 77,829 1114 60,000 56.42% 1,594,617 55,557 1112 70,000 57.99% 1,741,901 47,284 1314 80,000 59,25% 1,779,477 37576 2 90,000 60,35% 1,812,704 33,227 2114 100,000 61.18%6 1,B37,567 24,862 21/2 110,000 61.81% 1,856,580 19,014 2 3/4 120,000 62.42% 1,874,914 18,333 3 130,000 53.03% 1,893,247 18,333 31/4 140,000 53.59%6 1,910,042 16,796 31/2 150,000 64.156/ 1,926,709 16,667 3 7/9 160,000 64.65% 1,941,720 15,011 4 170,000 65,05% 1,953,907 12,187 42/7 180,000 55.38% 1,963,836 9,930 4 112 190,000 65.66",6 1,972.170 8.333 4 7 9 13.e-, 56.4% 52 s6,a ti 4.i.Otto+. 2aouw, I-) % of Total Demand Met 69.8^h 61.3^h 61.8% 62.4% 63.0% 63.5% 64.1% 64.6% The tables above illustrate the effect of cistern size on the total demand met with the non -potable water supply. In Table- 1, Column 4 shows the diminishing return in savings as the cistern size increases. The last column of Table-1 shows the maximum rain event size in inches that the empty cistern could handle. This number is important because we will lose all rain amounts greater than this once this event size occurs. The red marker on Table-2 indicates the % of total demand met by a cistern of an infinite size. This is the maximum possible "% of total demand met" and allows for useful comparisons to be made to the range of cistern sizes. c�irizht2oa-weer nawxow,g sMutUm,Irn, .,e a.11 wah- I soo-sao-M101 e/2e2012 Wahaso Cistern Optimization Model - Key Input Assumptions Wahasci Cistern Optimization Model depends on a series of assumptions about a building's water sources and uses to calculate total water savings and model the value of different cistern capacities. Since the analysis is often for buildings that don't yet exist, these assumptions for supply demand are educated guesses. We encourage you to review our assumptions and we are happy to modify these assumptions if you have better numbers or would simply like to see the impact of different variables on the model ou:put. Supply Side. Variables- - Historical rainfall data from: Jacksonville NC Rci and or other collection area in square feet): 75,000 Discount for loss through evaporation and first flush: 15% Amount of rain from roofto Burin 1" in event (gallons): 146,753 Assumptions for other supplies if applicable (daily gallons): !Daily Cooling Condensate: 1 2,310 Condensate Supply Assumptions - v _ Condensate Supply%of Peak_____ 100 n% 100 c% sc cos 80.0% 500% 20.0% 00% --lu lea Feb. March A,6, b'ay June Ii August Se PI. 011. Nov Dec. Demand Side Variables Number of Days Per Week That Building is Occupied: 7 Dail- Vehicle Washing (Gallons): 8 229 mpmieht zo1z;. wxar nac.ame wlnm�. m=. we. c ofa namAs.som 1 eoo-580 53501 6/26/2012 System Effectiveness Based on Recommended 80K Gallon Cistern Projected Annual Averages Based On Past Six Years of Actual Daily Rainfall Total Supply Total Demand Harvested Gallons Used. Municipal Gallons Used Total Days [tequlring Municipal Make-U 2.119,673 3,003,585 1,779,477 1,224,108 192 Projected Monthly Supply & Demand B cod on Nlsmtical 6Yearrlally Rmnbll Amounns % of Total Demand Met Each Year 6 Year Average Year 1: 568% Year 2: 46,2% Year 3: 70 59s 2% Year 4: 661% 661% Year 5: 595% Year 6: 56.3% Supply refers to all of the potential non -potable water that can be harvested. Table-3 breaks down the total municipal gallons into monthly segments. This is helpful in discovering seasonal shortfalls in the system. [gyni 3913-water H-ocnne Sc *m. Inc. N 2clI fZOW 8 OY-PASS SPECN1C47x>.55 TOR 6A7M45S SV;.4P W SCREEN SYS7FU, S£OMENr C171tEcnom chitligi AV XMi SPEOWAIIIAS i. pioe Intkw ores (down ins f8' PPO 1.77 rq,R SCREEN SPL-CM701lR 2. OPM oolre arse in W"n system 17.90 nA J. OM ori6n one in scram system xe1 sq.ft with SOX blockage 4. Coen Oor= orcc in scam system WA 75X blockage 4.47 sgft 1. Minimum b7-pines Mrougb nw, system i.0 sq.k. below the top sleflne of tip pop 6. Minimum bl.-poss oround xrem system 4.24 sq.R. below the top surface of the Pole 7. Scam system storoge volume J&90 M.N. SMMW STORAcf., 6. Volume of Erlst sediment chwnber 66.67 =.ft 9. Voume of second sed'ment elldnber 61,00 cuff. 10. Volume of third sediment chamber 67.21 w.R 11. raid sedinent volume 19866 ca.2 SKIMMER SPEC#1GTA71VS 12, now area under skimmer 1.63 egn1t. 13. Aao of pipe in tine with skimmer 2.12 sq.N. 14. Asa between the skimmer and the ouNbw_7,12 sq.N: ppe porn w7h the surface of the pipe LEFT END VIEW NOTES I. CONCRETE 28 a4Y COMPRESSIVE STRENGTH fc-5,000 PSI. 2. RoNFORCINC Al A-615, GRADE 60. .J. SUPPORTS AN H2O LOADING AS INDICATED BY A45H70, 4. JOINT SEALANT: BURL RUBBER SS-S-oam.. 5. INFLOW AND OUTFLOW PIPES ARE TO BE FLUSH WITH THE INSIDE SURFACE OF ME CONCRETE STRUCTURE. (CAN NOT INTRUDE BEYOND RUSH) 6. HINGED DVS FOR THE SCREEN SYSTEM ARE AWLABLE UPON REOUESL 7. IM/ERT OF THE WTOW PIPE SHOULD NOT BE BELOW THE INVERT OF THE OUTFLOW PIPE. 6. THE BOTTOM OF THE SKIMMER SHOULD BE J" BELOW THE INVERT OF TNT OUMOW PIPE, wshams_ Ie00-5eo-s3so1 6/zc/2012 18" Precipitation Profile for Jacksonville, NC Size of Rain Event: Percent of Rain Events: Annual Avers es Past Six Years: .02"-.25"< 54% 51 events :€Yd 4:. 21% 20 events 15% 14 events t 90A 8 events a 2% 2 events Average Annual Distribution of Rain Event Sizes e.25"-.50" - ■ 1.0"-2.0" ■ > 2.0" 5496 1'c'_'i.°e Y e, rtcis[: bl rol '_zmique fr, some.- - - t.�•5a v:- , r �,. , +_.,. 2% cord ehamu -wamr nar�lne sdomos, Inc. rays s info wahaso. 1 eoo.sao-53581 6/2612012 8/0 CLEAN ENVIRONMENTAL MODEL NO. Ni 5-12-84 030" H-20 DIRECT T7ify-FIC LOADED TURBULENCE FRAMES AND COVERS SHIPPED LOOSE DEFLECTORS AND GROUTED IN BY CONTRACTOR 4w BAFRE TIP I 18' BYPASS PIPE STORM BOOM -1 SKIMMER ZOW-7 ,1 I �15" LOW FLOW PIPE PIPE - - -�- �----t GROUT TYP 97� X 28' x 20' HIGH SCREEN SYSTEM WITH HINGED BOTTOM SEC77ON AND PLAN VIEW SLIDING TOP SECTION ITMENr FLOW RATE 2.57 CPS 22 GPM/SO Fr FMOVAL ® 75 MICRON RIGHT END VIEW BI� CLEAN® E.'J'✓/R�?n11."ENTAL .9ERL;iL S, ,:-/;,, 1�2 rtemvvHL = d/% M£LIS LEtU '"'- 760.433- vn .7640 u,F 76 vice P OILS & GREASE REMOVAL = > 99Z IVUTRiENT SEPARATING TRASH ee DEBRIS = 100Z MODEL NO. NS88- COPPER REMOVAL = 407 DATE:7 2 12 S FECAL COI IFt7RA4 = 17 52 r _ ... . 1 11