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HomeMy WebLinkAboutSW4090301_Boring Logs_20090513t ENGINEERING TECTONICS, P.A. ENGINEERS • GEOLOGISTS • HYDROLOGISTS 1720 Vargrave Street, W[nston-Salem, NC 27107 (336)724-6944 April 151, 2009 McDonald's USA, LLC 4601 Six Forks Road Raleigh, NC 27609 RE: McDonald's King (File 432-1482) King, North Carolina Dear Cheryl, Engineering Tectonics, P.A, has completed the testing of the seasonal water table for the bio cells for the McDonalds located in King, North Carolina. The soil tests borings were drilled at the site of the proposed bio cell areas as indicated on the Baring Location Diagram (Fig. No. 1). Three auger probe borings were drilled to depths of 10.0 feet below the existing ground surface. The borings were drilled using a truck mounted Mobile B-47 drilling rig. The borings were located ux the field by representatives of Engineering Tectonics using specified drawings obtained from Stimmel Associates, PA. Boring BC-2 was offset due to.. an existing structure r oa-site. No groundwater was encountered in any of the borings drilled for this project which complies with the two foot tolerance for the bio cells lowest elevation. We appreciate this opportunity to be of service to you. If you have any questions or comments regarding the information in this letter please feel free to contact me. ..10 111111// - Lucas Brewei Staff Engineer TECTONICS, P.A. 2 PROJECT: McDONALDS — KING SHEEP: BORING LOCATION DIAGRAM OF BIOCELLS ENGINEERING TECTONICS, R A. ENGINEERS / GE QLOGISTS / HYDROLOGISTS 1720 VARGRAVE ST. WINSTON-SALEw, N.C. 27107 PHO+IE - 336.724,6994 FAX - 3M,724,7095 LOCAUN: KING, N.C. APPROVED BY: JMR PROJECT Y: 10 08 489 DRAWN BY: LSO NOT TO SCALE DATE: 411109 SHEET: 1 Poas 1 of OWNER BORING NUMBER MCDONALDS USA LLC BC-1 PROJECT NAME ARCHITECT -ENGINEER MCDONALDS-KING SITE LOCATION JOB NO, O Unconfined compressive strength Tonsl . KING, NORTH CAROLINA 10-08-489 1 2 3 a s W Plastic Water Liquid Z d w O ENGINEERING TECTONICS, P. A. Limit % Contents % Umit% DEPTH I-- LU X.................. ®.................. X 2 ENGINEERS- GEOLOGISTS- HYDROLOGISTS 10 20 30 40 so IN FEET Zj O Q 2 LLDESCRIPTION OF MATERIAL Standard Blows/ft. Penetration (D Surface Elevstion 1 20 40 so IML3" OF ASPHALT 4" OF GRAVEL RED SANDY SILT, (ML) 5 I I 10 BORING TERMINATED AT 10.0 FEET The stratification lines represent the approximate boundary lines between soil types: In -situ, the transition may be gradual WATER TABLE DATA -DEPTH BELOW SURFACE BORING STARTED 3/31109 BORING COMPLETED 3/31109 DRY Q o HRS. RIG FOREMAN APPROVED BY AUGER I . IQ HRS. 647 D.B. L.B. NSA Pane 1 of OWNER BORING NUMBER MCDONALDS USA, LLC BC-2 PROJECT NAME ARCHITECT -ENGINEER MCDONALDS-K NG SITE LOCATION JOB NO. 0 Unconfined compressive strength Tons/ . KING, NORTH CAROLINA 10-08489 1 2 3 4 5 W Plastic Water Liquid z r w ENGINEERING TECTONICS, P. A. limit % Contents % Limit % DEPTH X.................. ®..........•....... X _j a ENGINEERS- GEOLOGISTS- HYDROLOGISTS 10 20 30 40 50 IN FEET J O LL OF MATERIAL ard StanDESCRIPTION Penetdrat on Blowslft. U) Surface Elevation 10 20 30 40 50 5" OF GRAVEL a RED SANDY SILT, (ML) 5 10 BORING TERMINATED AT 10.0 FEET The stratification fines represent the approximate boundary lines between soil types: in -situ, the transition may be gradual WATER TABLE [DATA -DEPTH BELOW SURFACE BORING STARTED 3131109 BORING COMPLETED 3131109 DRY @4 HRS. RIG OREMAN FD. APPROVED BY GER FHIS' HR5 B-47 B. L.B. A rage I or I OWNER BORING NUMBER MCDONALDS USA LLC BC-3 PROJECT NAME ARCHITECT -ENGINEER MCDONALDS-KING SITE LOCATION JOB N0. O Unconfined nompressive strength Tons/F. KING NORTH CAROLINA 10-08-"9 1 2 a 4 5 LU Plastic Water Liquid °,6 °k z ENGINEERING TECTONICS, P. A. Limit Contents % Llm{t DEPTH LLJ o ~ x.................. ®.................. uJ 2 ENGINEERS•GEOLOGISTS- HYDROLOGISTS 1p 20 30 ao so IN FEET �- CL _j O0 ir N Q LL DESCRIPTION OF MATERIAL O petnatraiion Blows/ft. Surface Elevation 10 20 30 40 50 ° 4" OF GRAVEL 111111 RED SANDY SILT, (ML) TAN SANDY SILT, (ML) 5 10 BORING TERMINATED AT 10.0 FEET i no strauTicarion ones represent ine approximate DounOary irnes 0etween sou types: in-suu, the rransiuon may De graouai WATER TABLE DATA -DEPTH BELOW SURFACE BORING STARTED 3131109 BORING COMPLETED 3131109 DRY @ 0 HRS. RIG FOREMAN APPROVED BY AUGER @ HRS. B-47 D.B. I L.B. I HSA Project : McDONALDS-Kin , NC Sheet: 1 Project No.: 08-219 Date: 3/31/2009 Designed by: KB Checked by: WC Rational Calculations PRE SUB REGION #1 Drainage Area: 0.623 Acres • Impervious 95.8 % • Open 42 % Rational "C" 0.93 SUB REGION #2 Drainage Area: 0.283 Acres • Impervious 49.8 % • Open 50.2 % Rational "C" 0.65 SUB REGION #3 Drainage Area: 0.322 Acres • Impervious 45.3 % • Open 54.7 % Rational "C" 0.62 SEAL - '�a 023552 C 4��f�B1lJIg5391�'et�� POST B10 # 1 Drainage Area: 0.485 Acres • Impervious 89 % • Open 11 % Rational "C" i 0.88 BYPASS # 1 Drainage Area: 0.094 Acres Impervious 35 % Open 65 % Rational "C" 0.56 610 # 2 Drainage Area: 0.237 Acres • Impervious 86 % • Open 14 % Rational "C" 0.87 BYPASS # 2 Drainage Area: 0.096 Acres • Impervious 12 % • Open 88 % Rational "C" 0.42 BIO # 3 Drainage Area: 0.214 Acres Impervious 76 % Open 24 % Rational "C" 0.81 Drainage Area: 0.094 Acres • Impervious 54 % • Open 46 % Rational "C" 0.67 r 01 =CXiXA * i1=4.43 in/hr for 1 year, 5 min Storm in Stokes County PRE DEVELOPMENT Sub Region C i A Q1 1 0.93 4,43 0.623 2.57 cfs 2 0.65 k 4A3 ;_ 0.283 0.81 cfs 3 0.62 4.43 0.322 0.88 cfs POST DEVELOPMENT Drainage Area BIO # 1 BYPASS # 1 BIO#2 BYPASS # 2 BIO#3 BYPASS # 3 TOTAL: 4.27 cfs C i A Q1 0.88 4.43 0.485 j 1.89 cfs** 0.56 4.43 0.094 ; 0.23 cfs 0.87 j 4.43 0.237 0.91 cfs** 0.42 ^� 4.43 0.096 0.18 cfs 0.81 4.43 0.214 0.77 cfs** 0.67 4.43 0.094 0.28 cfs TOTAL: 14.26 cfs **POST Development flows are not Representative of Post Flows conditions due the impounding and routing of stormwater in the Bioretention cells. Please Refer to Stormwater report for Pre and Post Development Flows using the SCS method Project: McDONALDS-Kin , NC Sheet: 1 Project No.: 08-219 Date : 4/2/2009 Designed by: KB Checked by: WC Flume Calculations Drainaae Areas Acres % Imp Bio # 1 North 0.31 100 Bio # 1 South 0.12 100 Bio # 2 0.21 96 Bio # 3 0.18 89 Rational Q10 of Flumes Q10 = CiA i10 = 6.96 inlhr * Stokes County 10 year, 5min C i A Bio # 1 North 0.95 6.96 0.31 Bio # 1 South 0.95 6.96 0.12 Bio # 2 0.93 6.96 0.21 Bio # 3 0.88 6.96 0.18 Q10 2.05 cfs 0.79 cfs 1.36 cfs 1.10 cfs %Jja,esai�irri,, %A CAE 1� F 10 SEAL. 023652 0 �.�t4 S - r k= n= A= Pw= slope= Rh= V= Q= 1.486 0.013 0.685 3.048 0.005 0.2247375 2.9$$ ft/s 2.0471 cfs ENTRY FLUME CALCULATIONS Conversion to US Units (1 if metric) Roughness Coefficient Cross Sectional Area of Flow Wetted Perimeter (ft/ft units) Hydraulic Radius Rh= A 1 Pw V= k (Rh 213) (s 112) n k= 1.486 Conversion to US Units (1 if metric) n= 0.0.13 Roughness Coefficient A= 0.375 Cross Sectional Area of Flow Pw= 2.8 Wetted Perimeter slope= 0.005 (ft/ft units) Rh= 0.1339286 Hydraulic Radius Rh= A 1 Pw V= 2.116 ftls V= k (Rh 213) (s 1/2) Q= EO.793 cfs n k= 1.486 n= A= Pw= slope= Rh= V= Q= 0.013 ft/s cfs 0.5275 2.922 0.005 0.180527 2.582 1.362 Conversion to US Units (1 if metric) Roughness Coefficient Cross Sectional Area of Flow Wetted Perimeter (ft/ft units) Hydraulic Radius Rh= A 1 Pw V= k (Rh 213) (s 112� n k= 1.486 Conversion to US Units (1 if metric) n= 0.013 Roughness Coefficient A= 0.46 Cross Sectional Area of Flow Pw= 2.868 Wetted Perimeter slope= 0.005 (ft/ft units) Rh= 0,1603905 Hydraulic Radius Rh= A / Pw V= 2.386 ft/s V= k (Rh 213) (s 1/2) Q= 1.098 cfs n BIO # 1 NORTH 0.274 2.5 1310 # 1 SOUTH 0.150 2.5 B10#2 0.211 2.5 B10 # 3 0.1841 2.5