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Home My WebLink AboutEngineering Forensic Engineering Consultants, Inc. BASE SHEET ATTACHMENT CALCULATIONS Project Name St. Lucie County Courthouse Building Report No.: CIS-BS-18.001 Project Address 218 South 2nd Street Ft. Pierce, FL -34950 Deck Substrate Lightweight Concrete Mean Roof Height 45.0 Feet Configuration Low Slope Roof Area (Approx.) 22419 Sq.Ft. Category IV Max. Roof Width 130.0 Feet Exposure Condition C Perimeter Width 13.0 Feet Building Type Enclosed Parapet Height 4.0 Feet Base Wind Speed 180 mph Slope V 0.0 Slope H 12.0 Slope Angle° 0.00 Uplift Pressures qZ = 0.00256 KZ Kit Kd V2 P = qZ (GCP-GCP;) qZ KZ KZt Kd V GCP GCP; 75.799 1.070 1.005 0.85 180 -1.00 0.18 Field -1.80 0.18 Perimeter -1.80 0.18 Corner Field P1 ult. -89.44 psf P1 asd -53.67 psf Perimeter P2 un -150.08 psf P2 asd -90.05 psf Corner P3 un. -150.08 psf P3 asd -90.05 psf Proposed System Johns Manville SBS Modified Bitumen Roof System Product Approval No. FL 2948-R12 (Page 36 of 50) System No.: LWC-55 System Design Pressure -60 psf Fasteners 1.7" JM LWC CR Base Sheet Fasteners Base Sheet Width 39 inches Side Lap 4 inches Net Width 35 inches Fastener Spacing in Lap of Base Sheet 7 inches #Rows 1 Fastener Spacing in Field of Base Sheet 7 inches # Rows 3 Min. Characteristic Resistance Force -25.52 Ibf -42.56 Ibf(MCRF from TAS-105 Tests) Fastener Spacing {(MCRF/P;) x 1441/Row Spacing No. of Rows of Fasteners 4 5 6 7 Field Fastener Spacing 7.83 9.78 11.74 13.70 Perimeter Fastener Spacing 4.66 5.83 7.00 8.16 Corner Fastener Spacing 4.66 5.83 7.00 8.16 RECOMMENDED BASE SHEET ATTACHMENT PATTERN Field 1 row in the laps at 7 inches o.c. 3 rows in the center of the sheet at 7" o.c. Perimeter 1 row in the laps at 5 inches o.c. 4 rows in the center of the sheet at 5" o.c. Corner 1 row in the laps at 5 inches o.c. 4 rows in the center of the sheet at 5" o.c. These calculations have been done in accordance with ASCE 7-10, based on the information provided by the contractor. The roof system must be installed in accordance with the FBC & manufacturer's recommendations. Sincerely RECEIVED FoV Engin Bring Consultants. InLE CO P) rf � FEB 2 6 2018 R. N. Sailappan, P.E. ZIs ST. Lucre County, PQrmitting Principal Engineer Florida Registration No. 46696 Forensic Engineering Consultants, Inc. (CA#8265), P.O.Box 970034, Boca Raton, FL-33497 Ph(561)901 8490 Fax(561)218 3830 TESTING APPLICATION STANDARD (TAS)No. 105-11 APPENDIX TAS 105-A FIELD WITHDRAWAL RESISTANCE TEST RESULTS GENERAL INFORMATION: Job Name: St. Lucie Coppty Courthouseild Job Address: 218 South 2nd Street Ft. Pierce, FL 34950 Job Site Contact: Therms Seal Roof Systems,LLC (561)223-2096 TESTING AGENCY/EQUIPMENT INFORMATION: Note: The undersigned acknowledges that all testing has been conducted and results have been reported in compliance with TAS 105 Appendix T105-A Testing Agency: Cleary Inspection Services, Inc. RECEIVED Address: 1017 North"H" Street Lake Worth, FL 33460 FEB 66 2018 Telephone: (561) 722 - 9881 ST. i_ucie County, Permitting Fax: (561) 582 - 8039 Email: clearyinspections@kcwand.com Representative Name: Katherine I. Cleary Title: Inspector Test Apparatus: COMTEN MODEL#DFG2W2000, SERIAL#20606019 BUILDING/ROOF SYSTEM INFORMATION: Approx. Roof Area Height: Height: = 45 ft. Roof Area Dimensions: Length: = 222 ft. Second largest dim.: = 130 ft. Total roof area: = 22419 ft.2 Perimeter width: = 13 ft. Perimeter area: = 8827 ft.2 Corner area: = N/A ft.2 Parapet Height: = 4 ft. FASTENER INSTALLATION INFORMATION: Is the fastener a self driller? No Tool: Pogo-Stick Fastener type: 1.7 Fastener Manufacturer: OMG TEST INFORMATION: MAIN ROOF Test Date: 2/17/2018 Number of Test Conducted 24 *Note the Location of all tests on'Building Information',attached. FIELD WITHDRAWAL RESISTANCE TEST RECORDING SHEET Deck:* See TAS 105-11 to determine number of tests Lightweight St. Lucie County Courthouse Building Cleary Inspection Service,Inc. 218 South 2nd Street Tel.(561)722-9881,Fax(561)582-8039 Ft. Pierce,FL 34950 Email: clearyinspections@kcwand.com INITIAL FAILURE SAMPLE NO. PLAN IDENTIFIER LOAD FIELD PERIMETER CORNER 1 T1 45 X 2 T2 35 X 3 T3 40 X 4 T4 40 X 5 T5 40 X 6 T6 85 X 7 T7 60 X 8 T8 30 X 9 T9 80 X 10 T10 75 X 11 T11 40 X 12 T12 50 X 13 T13 80 X 14 T14 50 X 15 T15 60 X 16 T16 30 X 17 T17 35 X 18 T18 45 X 19 T19 55 X 20 T20 65 X 21 T21 45 X 22 T22 40 X 23 T23 30 X 24 T24 35 X STATISTICAL ANALYSIS: No. of Tests n= 24 't'Estimator t'= 2.08 Mean Failure Load: F= 49.58 lbf Sample Standard Deviation: SF= 16.52 lbf Minimum-Characteristic Resistance Force: F'= 42.56 lbf Sincerely, Cleary Inspections Service,Inc. e4��j atherine I. eary R.N. Sailappan,P.E. Miami-Dade ab Certification No. 16.0211.02 Florida Registration No. 46696 2 Cleary Inspection Service, Inc. Telephone (561) 722-9881 Fax (561) 582-8039 Email: kc@kcwand.com Notes: 1. Use of the results herein to determine the required number of fasteners for insulation attachment or an acceptable anchor or base sheet fastener spacing, as outlined in TAS 117, shall utilize the minimum characteristic resistance for(F') determined in compliance with Section 9 of TAS 105. No margin of safety shall be applied to field withdrawal resistance test results determined in compliance with TAS 105. 2. A safety factor of 2 to 1 shall be applied to all results of laboratory testing. 3. The following pages shall be completed for each roof area and included with all Field Withdrawal Resistance Test Recording Sheets. St. Lucie County Courthouse 218 South 2nd Street Fort Pierce, FL 34950 Test Date: 2/17/2018 Roof Area Buildinq and Parapet Heights. (If no parapet exists, "N/A") 4' 45' Ground Level Page 3 Cleary Inspection Service, Inc. Tel. (561) 722-988, Fax(561) 582-8039 Email: clearyinspections@kcwand.com 'Building Information Sheet' St. Lucie County Courthouse Building 218 South 2nd Street Fort Pierce, FL 34950 Test Dates: 2/17/2018 N 40' T1 37' T2 37' 17' T3 11' 13' 83' 41' 24 T8 17' T4 T7 T5 T6 T9 T10 T11 T12 T14 93' T13 93' T15 T16 T20 T19 T17 T18 T21 T22 T23 T24 222' NOT DRAWN TO SCALE Drawings & measurements are approximate representation of field layout Page 4 CERTIFICATE OF CALIBRATION TRACEABLE TO THE UNITED STATES NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY AND PERFORMED IN ACCORDANCE WITH IS010012-2003 THIS DEVICE IS CERTIFIED TO BE WITHIN +/-0.5% OF FULL SCALE READING AT EACH TEST POINT AT THE TIME OF SHIPMENT CERTIFICATE NUMBER: 24859 CALIBRATION DATE: 1/23/2018 PART AND CUSTOMER INFORMATION MODEL#: DFG2W2000 SERIAL#: 20606019 CUSTOMER: CLEARY INSPECTION SERVICE INC. CUSTOMER#: CLE33460 I CALIBRATION DATA APPLIED EXPECTED FULL VALUE VALUE RUN1 AVERAGE SCALE I i (LB) (LB) (LB) (LB) ERROR 0.00 0.00 0.000 0.000 0.000% 100.00 400.00 400.00 402.000 402.000 0.100% 600.00 800.00 800.00 804.000 804.000 0.200% I 1000.00 1200.00 1200.00 1197.000 1197.000 -0.150% 1400.00 1600.00 1600.00 1599.000 1599.000 -0.050% i 1800.00 2000.00 2000.00 2004.000 2004.000 0.200% CALIBRATION EQUIPMENT USED SERIAL#1: 11706016 SERIAL#2: CAL EQUIP: COMTEN INDUSTRIES load cell CNR EA,S/N I CNR EA 11706016 was calibrated at ComTen Industries fj i following to ASTM E-74.The uncertainty is 2 CAL DATE: Lbf.Report No:20300 I 6/12/2017 ' i r THIS EQUIPMENT IS CERTIFIED TRACEABLE TO THE UNITED STATES NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY. r j CONDITIONS VALIDATION TEMPERATURE 70°F RELATIVE HUMIDITY: 31% CALIBRATION F f.; j PERFORMED .k s�' �; v...�:R"�' AS FOUND NOTES:(`Indicates that the part was out of tolerance) BY: CC ? / �s � Calibration not valid without CERTIFIED stamp and initials 6405-49th Street North, Pinellas Park, FL 33781-5724 " 727-520-1200 . FAX 727-520-0299 E-Mail: sales@com-ten.com * Web: www.com-ten.com