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Home My WebLink AboutSW3170701_COMPLIANCE_20180208STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION 6 DOC DATE- YYYYMMDD Compliance Inspection Report Permit: SW3170701 Effective: 08/29/17 Project: SMG Leasing, LLC Owner: Smg Leasing LLC County: Iredell Region: Mooresville Expiration: 08/29/25 Adress: 142 Sherlock Dr City/State/Zip: Statesville NC 28625 Contact Person: Mark Tart Title: Phone: 704-872-2411 Directions to Project: north on mocksville rd from intersection of 1-40 & Old Mocksville Rd, take first right onto Sherlock Or, new construction is adjacent to (the east of) the existing dermatology office. Type of Project: State Stormwater - HD - Hybrid Other Drain Areas: On -Site Representative(s): Related Permits: Inspection Date: 02/08/2018 Entry Time: 12:30PM Primary Inspector: James D Moore Secondary Inspector(s): Reason for Inspection: Routine Permit Inspection Type: State Stormwater Facility Status: ❑ Compliant ❑ Not Compliant Question Areas: State Stormwater (See attachment summary) Exit Time: 12:40PM Phone: Inspection Type: Compliance Evaluation page: 1 Permit SW3170701 owner - Project: Smg Leasing LLC Inspection Date: 02/08/2018 Inspection Type Compliance Evaluation Reason for Visit: Routine Inspection Summary: The site is currently under construction and has coverage under a construction general stonmwater permit.A follow up inspection will be conducted in 6 months. page: 2 A. 0 20 ao SO ISO oG.L.WILSON l BUILDING COMPANY THIS DRAWNG IS THE PROPERtt OF THE COWRA4ITOR. REPRODUCTION OR REUSE IN PART OR IN WHOLE WTHWT MITTEN PERMISSION IS FORBIDDEN COSETIRS41 TM7 osslex. t .,." I ... y: P. ISSUED DATE: 3P7117 A PROPOSED FACILITY FOR SMG Leasing, LLC 142 Shedocl, Drive Statesville, NC 28825 POST -DEVELOPED DRAINAGE AREA MAP EX-2 I J. KIRK VIOLA, P.E. July 7, 2017 CATAWBA VALLEY ENGINEERING AND TESTING Mr. P. Scott Bell, PE, PLS G.L. Wilson Building Company 190 Wilson Park Road Statesville, North Carolina 28625 Scott.bell@glwilson.com Re: Infiltration Evaluation SMG Leasing, LLC 142 Sherlock Drive Statesville, North Carolina CVET Project No.: 17-066 JANIES S. TATE, P.E. DAVID M. LEGRAND, JR., P.E RECEIVED JUL I 1 20117 DENR-LAND QUALITY STORMTER PERMITTING i Dear Mr. Bell, 'P S Per your request, Catawba Valley Engineering and Testing (CVE'%/c* viding this letter summarizing our evaluation performed to determine the permeability of s dace soils below the proposed underground detention system at SMG Leasing, LLC in Statesvilre, North Carolina. The purpose of our exploration was to obtain representative samples of the subsurface soils within the proposed detention system envelope, perform laboratory testing, and determine the infiltration rate to aid in design of the minimum surface area for an infiltration system. CVET personnel visited the subject site on June 26, 2017 to perform a total of three hand auger borings (A, B, C) within the proposed underground detention system at the locations displayed on Figure I — Infiltration Test Location Plan. Bag samples were obtained at I foot intervals to depths ranging from approximately 2 to 10 feet below bottom of system elevation (869.74 ft.). No evidence of the seasonal high water table (SHWT) was observed at the depths explored during this evaluation. The bulk soil samples were returned to CVET laboratory in Hickory, North Carolina where the samples were subjected to Grain Size Analysis (ASTM D422). Laboratory results of the soil samples reveal that the in -situ soils have USCS Classification of ML and SM. Based upon our interpretation of Table B-2 of NAVFAC MO 330, we conclude that a permeability (infiltration) rate of k = 104 cm/sec is an acceptable value for use in design of the minimum surface area for an infiltration system. Conversion of this reveals an infiltration rate of approximately 0.1417 inches/hour. Please see the attached Laboratory Test Results. This report has been prepared for the exclusive use of G.L. Wilson Building Company and their agents for specific application to the referenced property, in accordance with generally accepted concrete and foundation engineering practices. No warranties, expressed or implied, are intended or made. The conclusions and recommendations presented in this report are based on the specific laboratory testing, visual observations, and field testing performed as part of our P.O. Box 2616. 308 15T0 STREET SE, SUITE 2 • HICKORY, NORTH CAROLINA 28603 TELEPHONE: (828) 578-9972 9 FAX: (828) 322-1801 Project Name: SMG Leasing, LLC Location: Statesville, NC Date: July 7, 2017 Project No. 17-066 scope of work and do not reflect variations in subsurface conditions that may exist between test locations or in unexplored portions of the site. In the event changes are made to the proposed construction plans, design or location of the project as described within this report, the conclusions and recommendations provided in this report shall not be considered valid unless CVET is given the opportunity to review the changes, and either verifies or modifies the conclusions and recommendations contained in this report in writing. CVET appreciates the opportunity to provide our engineering services for this project. If you have any questions regarding the contents of this report, or if we can provide additional services for the project, please do not hesitate to contact us. Sincerely, CATAWBA VALLEY ENGINEERING AND TESTING, P.C. ? o'�1A CARP SEAL 041419 = " LeG % David M. LeGrand Jr., P.E. 1 t7 Managing Partner Attachments: Figure I — Infiltration Test Location Plan Laboratory Test Results 01 e9504-0 �7;7 ��FG-- 997.99 4/ o O. Ln M SMCLLEASING ASSOCIATES, GP J was Ni' - D.EL 1478, Pr, 2186 C= PW 4755 87 5M ZONED RA 7 z G) PVC yl V P pna�5ED P 1CP —67569 E9l — TE 1791 SLS 0 5 6 0 VALLEY. Infiltration Test Location Plan DRAWN BY DML PROJECT NO. 17066 �A��!�A SMG Leasing, LLC DATE SHEET NO. ...... 142 Sherlock Drive Statesville, NC 28625 fuly7.2017 FIGURE I Ij Particle Size Distribution Report U.S. SIEVE OPENINGIN INCHES U.S. STANOaRD SIEVE NUMBERS HYGROMETER 1''A in. V. In. LB In. 0140 N ! 0 021 I "o so 00 8700 too I I r I 0 - — — I 10 SG I II - I -j—I 20 80 f I 70 + DD I� 13 m 40 A 2 ILL m m Z SD - --- 50 [t w I 0 TO a0 - fio m m 70 20 - 60 TF ip I I I I I I 100 100 10 1 0.1 0.01 0.001 GRAIN SIZE - mm. � I %Gravel % Sand % Fines % +0, 1 Coarse Fine Coarse Medium Fine I Sill Clay 0 0 0 2 17 25 56 0 0 2 9 21 31 37 r 0 0 0 4 22 33 41 Source Sample Y I DeplNElev. Date Sampled uses Material OescnDtion I NM % LL 1 I PL 1 'O 11 Augers 2207 A 868.74 1 6/26117 _ ML Red • Sand SILT 30.3 NV Nilland At rs 2208 A 867.74 6/26117 SM Red Siltv SAND 24.3 NV Nillia J Au 'crs 1 2209 B 868.74 6/26/17 SM I Red Siltv SAND 27.1 NV NP GL Nilson Catawba Valley Engineering 8L Testing, P.C. rIClient I� Project SMG InliOntion I Hickory, North Carolina (Protect No. 17066 Figure Tested By: CR Checked By: JHC Particle Size Distribution Report U.S. SIEVE OPENING IN INCHES U,S. STANDARD SIEVE NUMBERS HYDROMETER I -Ain. Y.M, ale in. /140 'A in in 030 11,10 #60 sow 8200 100 1 •. I 1 I 0 90 — 1 - — 10 I e0 I - "rl I ( 20 ' I 70 — - i 30 t It I I I 1-- L m Z 60 ILL -- - - 40 0 I I m Z Z 50 w _ _ 50 i pt n� s 40 - 7 I 60 I I I A — 30 � 70 20 — - 60 '0 90 0 I I I I 1 00 100 10 1 0.1 0.01 0,001 ! GRAIN IZE - ram. 1 % Gravel % Sand I % Fines % +3' Coarse Fine Coarse Medium Fine slit Clay. 0 0 (1 2 17 49 32 — 0 0 0 7 25 39 29 11 0 1 3 10 1 26 1 45 16 Source Sample p DeptIVElev. Date Sampled Uscs I Material Desaipwn NM X LL PL liund Au ers 2210 B 867.74 SM Red SHIN, 26.6 NV NI' Iland Au ers 1 2211 B 865.74 6/26/I7 SM Red Sihv SAND 25.6 _ NV NP I land Au ers 1 2212 1 13 864.74 1 6/26/17 1 SM I Light Brown Siliv SAND 20.2 1 NV I NP Client Gl_Wilson Catawba Valley Engineering & Testing, P.C. Project SMG Infiltration Hickory, North Carolina I Project No. 17066 Figure Tested By: CR Checked By: JHC �f Particle Size Distribution Report U.S. SIEVE OPENING IN INCHES U.S. STANDARD SIEVE NUMBERS HYDROMETER t'Ai4. %in. 18n. $140 Ha S60 #1 00 a 100 I I 1 0 I I I 90 I 10 — (�- I I eD - 20 �I I I i 70 — 30 )I I I m — - 40 n IZ60 Z -1 50 , _ 50 K I I I O w 40 60 G. In A I 00 - — LI- 70 20 — 80 'p 100 I I I I I 100 10 1 0.1 0.01 0.001 GRAIN SIZE • mm. I % Gravel % Sand % Fines % +3' Coarse Fine Coarse Medium Fine I Silt Clay 0 0 1 5 25 44 25 0 0 1 4 19 47 29 0 0 2 7 27 42 22 Source Semple Y DeplNElev, Date Sample0 USCS Material Descnplian NM % LL PL O Hand Au�crs 2213 B 863.74 6/26/17 SM I Light Brown Silty SAND 26.7 NV NP Hand_Au Lm 2214 B 862.74 6/26/17 SM Light Brown Silly SAND 26.6 NV NP Eland Au �crs 2215 B 861.74 6/26/17 SIN Light Brown Silly SAND 1.22.9 1 NV I NP (Client G1. Wilson Catawba Valley Engineering & Testing, P.C. ` jEroject SMG 1,11hnition HickoryI North Carolina _ Project No. 17066 1 Fi Dre Tested By: CR Checked By: Particle Size Distribution Report U.S. SIEVE OPENING IN INCHES U,S. STANDARD SIEVE NUMBERS HYDROMETER 1''A in. '/. in. 318 In. /140 31n 2 t m 0 $20 /30 0 EN Sim 9200 lug I I I I I I ( D 90 — 10 I 20 II I I 70 30 ¢ v m p w 60 Z —• 40 LL m Z 1 W SO — 60 O V O0 a 40 60 W m I I A 30 70 I I 20 BO I 10 — - 90 ! 0 I 00 100 10 1 0.1 0,01 0.001 GRAIN SIZE - mm % Gravel % Sand % Fines 3. Coarse Fine Coarse Medium Fine Sill Clay .J' 0 0 1 4 31 43 21 0 0 0 4 30 43 23 0 0 1 7 26 41 25 Source Sample 11 I DepWElay. Date Sampled USCS Material Desenplion NM % LL PL I1anJ Au crs 2216 B 86t1.74 6116117 SM Brown Silty SAND 25.7 NV NP liand Augers 2217 B R59.74 I 6/26/17I SM I Brown Silly SAND 28.1 NV I NI' _ I1anJ Augers 1 2218 1 C 868.74 1 6/26/17 1 SM I Red Silty SAND 24.4 NV NP Client G1- Wilson Catawba Valley Engineering $Testing, P.C. Project SMG Infillmlion Hickory, North Carolina Project No. 17066 Figure Tested By: CR Checked By:JHC I� Particle Size Distribution Report US. SIEVE OPENING IN INCHES U.S. STANDARD SIEVE NUMBERS HYDROMETER CAM. X. in. ]lain, o 820 a3o r et e140 100 I I ! i I 0 l 90 — 10 80 — I 20 30 70 — I m LID 60 60 m ? m 50 ;W p wa 40 60 I I I m A� 70 30 I I 20 I I I 1 80 10 -- I I 90 0 I I I 100 100 10 1 D.1 DOI 0.001 RAIN SIZE - mm. %Gravel %Sand %Fines e� 3, Coarse Fine Coarse Metllum Fine SIII Clay 0 0 0 3 17 AS 35 j Source Sample e 1 DepOJElev. Date Sampled USCS Material Desciplion NM Sb 1 LL PL _� l land Atbcrs 2219 1 C R67.74 6t26/17 SM Red Silty SAND 26.7 NV NP Client C.I. Wilson Catawba Valley Project SMG Infiltration Engineering &Testing, P.C. Hickory, North Carolina Project No. 17066 _Figure __ Tested By: CR Checked By: JHC Riddle, Rick L From: Riddle, Rick L Sent: Wednesday, August 09, 2017 9:56 AM To: mtart@glwilson.com' Subject: State SW permit for SMG Leasing, LLC = SW3170701 Mark, I am in process of reviewing the plans and calculations submitted to us for SMG Leasing. We have a few items that need to be c anged on sheet C4.1 for the detention system: One observation port is a requirement per the Infiltration MDC 6, not optional as shown. The 4" orifice at the bottom of the baffle wall needs removed. It will allow the first flush from the storm to escape from the chamber without treatment. We also have some highly suggested recommendations for the Underground Detention System: X The middle three rows of the system do not have a good way to clean or inspect those rows. Suggest adding at least an observation port at both middle rows for observation but a better alternative would be a manhole or other access for observation and cleaning with a jet vacuum hose. Outlet control structure does not accurately show location of 6" HDPE underdrain. Also how to clean or observe this pipe? Outlet control structure does not accurately show location of 12" bottom connection to chambers. Which side of baffle does this fall? Please mail two copies of revised sheet C4.1 with the changes back to NCDEQ and upload a copy to https://edocs.deg.nc.gov/Forms/SW Project Submittal I'll let you know if I find any other items for comment. Rick Richard L. Riddle, Jr. Stormwater Engineer North Carolina Department Enviromental Quality North Carolina Division Energy Mineral Land Resources 919 807-6375 office rick.riddlena.ncdenr.gov /3z) 512 North Salisbury Street 1612 Mail Service Center Raleigh, NC 27699-1612 Nothing Compares� Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Please note: fields marked with a red asterisk below are required. You will not be able to submit the form until all mandatory questions are answered. What type of submittal is this?* G Existing Project G Pre -Application Information EAsting Project Information: f it s an existim Drdect. dense suodv the DART. ID#* SNRvmt Nmber 03170701 8 digts - exanple SW Version:* 2 Facility Name:* SMG Leasing, LLC County: Iredell Name: P. Scott Bell, PE Vlfn is suboitting the information? Email Address:* scott.bell@glwilson.com Please upload all files that need to be submited. dickthe upload button or drag and drop ftes here to attach doaurent 1.4.1-2016-075 C4.1 (081117).pdf Orly pdf files are accepted. Describe the attachments: RRCF�V�� ........... -. �1R6 4417), ill-TING Sheet C4.1 revised in accordance with email from Rick Riddle dated 8/9/17. 1) 'optional' was removed from observation port detail 2) 4" orifice was removed from baffle wall inside outlet structure. 3) 6" HDPE underdrain was removed from the design 4) outlet control structure detail modified to show location of 12" bottom connection * A, By checking the box and signing box below, I certify that: o I have given true, accurate, and complete information on this form; o I agree that submission of this Supplemental Information form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act") o I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act"); a I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written signature; AND o I intend to electronically sign and submit the Supplemental Information form." Full Name:* P. Scott Bell