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HomeMy WebLinkAboutBldg Side CALCSDESIGN CALCULATIONS FOR 7-ELEVEN #38944 Sign D: Cabinets at Building Side Indrio Rd & Kings Hwy – Ft Pierce Index: Pg 1 Cover Pg 2 Wind Loads Pg 3 Anchor Design PE # 67382 Easy Seals Cert Auth # 31124 Engineer's signature and seal valid for pages 1 through 3 Mar 17 2020 Christian Langley GENERAL NOTES: 1.Design is in accordance with the Florida Building Code 6th Edition (2017) for use within and outside the High Velocity Hurricane Zone (HVHZ). 2.Wind loads have been calculated per the requirements of ASCE 7-10 as shown herein. 3.These engineering calculations pertain only to the structural integrity of those systems, components, and/or other construction explicitly specified herein and/or in accompanying engineering drawings. The existing host structure (if any) is assumed to be in good condition, capable of supporting the loaded system. No warranty, either expressed or implied, is contained herein. 4.System components shall be as noted herein. All references to named components and installation shall conform to manufacturer's or industry specifications as summarized herein. 5.Where site conditions deviate from those noted herein, revisions may be required or a separate site-specific engineering evaluation performed. 6.Aluminum components in contact with steel or embedded in concrete shall be protected as prescribed in the 2015 Aluminum Design Manual, Part 1. Steel components in contact with, but not encased in, concrete shall be coated, painted, or otherwise protected against corrosion. 7.Engineer seal affixed hereto validates structural design as shown only. Use of this specification by contractor, et. Al, indemnifies and saves harmless this engineer for all costs & damages including legal fees & apellate fees resulting from deviation from this design. 1200 N Federal Hwy, #200 Boca Raton, FL 33432 Easy Seals .com Page 1 CALCULATIONS FOR WALL-MOUNTED SIGNS ASCE 7-10 Design Wind Loads WALL-MOUNTED SIGNS Building Specs V =160 mph Basic wind speed ASD Load Combo Coeff:0.6 Exposure C Calculations α =9.5 3-sec gust speed power law exponent Kd =0.85 Directionality factor zg =900'Nominal ht. of atmos. boundary layer Kzt =1.0 Topographic factor Gcpi =0 Internal pressure coeff A =10 sq ft Tributary area CENTER (Zone 4) CORNER (Zone 5)Kh = Kz qz GC p (4 ) GC p (5 ) 15 ft 31.2 psf 39.7 psf 0.85 47.3 -1.10 -1.40 20 ft 33.2 psf 42.2 psf 0.90 50.2 -1.10 -1.40 25 ft 34.8 psf 44.2 psf 0.95 52.7 -1.10 -1.40 30 ft 36.1 psf 46.0 psf 0.98 54.7 -1.10 -1.40 35 ft 37.3 psf 47.5 psf 1.01 56.5 -1.10 -1.40 40 ft 38.4 psf 48.8 psf 1.04 58.1 -1.10 -1.40 45 ft 39.3 psf 50.1 psf 1.07 59.6 -1.10 -1.40 50 ft 40.2 psf 51.2 psf 1.09 60.9 -1.10 -1.40 55 ft 41.0 psf 52.2 psf 1.12 62.2 -1.10 -1.40 60 ft 41.8 psf 53.2 psf 1.14 63.3 -1.10 -1.40 70 ft 35.3 psf 70.6 psf 1.17 65.4 -0.90 -1.80 80 ft 36.3 psf 72.6 psf 1.21 67.3 -0.90 -1.80 90 ft 37.2 psf 74.5 psf 1.24 69.0 -0.90 -1.80 100 ft 38.1 psf 76.1 psf 1.27 70.5 -0.90 -1.80 110 ft 38.8 psf 77.7 psf 1.29 71.9 -0.90 -1.80 120 ft 39.6 psf 79.1 psf 1.32 73.3 -0.90 -1.80 130 ft 40.2 psf 80.5 psf 1.34 74.5 -0.90 -1.80 140 ft 40.9 psf 81.7 psf 1.36 75.7 -0.90 -1.80 150 ft 41.5 psf 82.9 psf 1.38 76.8 -0.90 -1.80 175 ft 42.8 psf 85.7 psf 1.42 79.3 -0.90 -1.80 200 ft 44.1 psf 88.1 psf 1.46 81.6 -0.90 -1.80 250 ft 46.2 psf 92.3 psf 1.53 85.5 -0.90 -1.80 160 mph - Exp ''C'' WALL-MOUNTED SIGNS SIGN HEIGHT ASD WIND PRESSURES Page 2 CALCULATIONS FOR WALL-MOUNTED SIGNS Wall Sign Anchor Design Structure Dimensions & Loading Design wind pressure:P =46.0 psf Sign type: Sign size:A =19.2 sqft (entire cabinet) Wall material:(ASTM C90, 1,500 psi min) Anchor type/size: Ref: Min Embedment:1.25" Min edge dist:2.5"Min Spacing:3" Anchor tensile capacity:Tcap =195.0 lb (per anchor) Check Anchors for Pullout Total Reaction:Rt =883 lb … = P*A (entire cabinet) No. of anchors req'd:n =4.5 total anchors … = Rt/cap Total anchors required:5 total anchors balanced over cabinet OK, typical anchor option shown. Limit to min (6) total each section. Ref anchor schedule for other anchor options. ITW Tapcon, NOA 07-1126.10 Cabinet Masonry 1/4" Tapcon Page 3