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HomeMy WebLinkAboutProject info, design pressures FLORIDA BUILDING CODE, 6th Edition (2017) /ASCE 7-10 CATEGORY5 WORST CASE DESIGN PRESSURE CHART FOR COMPONENTS AND CLADDING Engineering Services,Inc, For Buildings with a Mean Roof Height of 60 Feet or Less rm5 1600 S.Federal Hwy Ste 207,Pompano Beach,FL 33062 g g 1954)784-6991 Tel-1954)781-5708 Fox amanda@c5es.com-CA#25854 DESIGN PRESSURES FOR INTERIOR ZONES ("Zone 4") DESIGN PRESSURES FOR EXTERIOR ZONES ("Zone 51 ULTIMATE WIND SPEED(mph) = 170 Mean Roof Tributary Area(sq.ft) Mean Roof Tributary Area(sq.fl) Height Het ht EXPOSURE CATEGORY= C (ft) '�Ta 15 20 25 30 35 40 45 50 (ft) 10 15 20 25 30 35 40 45 50 15 37.8 36.8 36.1 35.5 35.1 34.7 34.4 34.1 . 33.8 15 37.8 36.8 36.1 . 35.5 35.1 34.7 34.4 34.1 33.8 Tables are valid for the following condillons only: -4 40.0 -39.3 -38.7 -38.3 -37.9 -37.6 -37.3 -37.0 -50.6 -48.6 47.2 -46.1 -45.2 -44.5 -43.8 -43.2 -42.7 1 Wind Speed,(V"ii,3-second gust)= 170 mph 16 38.3 37.3 36.6 36.0 35.6 35.2 34.9 34.6 34.3 16 38.3 37.3 36.6 36;0 . 35.6 35.2 34.9 34.6 34.3 2 Risk Category:II(General Residential and Commercial -41.6 40.5 .-39.8 -39.3 -38.8 -38.4 -38:1 -37.8 -37.6 -51.3 -49.3 -47.8 46.7 -45.8 -45.1 -44.4 43.8 43.3 Construction). 17 38.8 37.8 37.1 36.5 36.0 35.6 35.3 35.0 34.7 17 38.8 37.8 37.1 36.5 36.0 35.6 35.3 35.0 34.7 3 Exposure Category C -42.1 -41.1 -40.3 -39.8 -39.3 -38.9 -38.6 -38.3 -38.0 -52.0 -49:9 -48.5 -47.3 -46.4 -45.6 -45.0 -44.4 -43.8 4 Topographic Factor(Kzt): 1.0(Flat Terrain) 18 39.3 382 37.5 36.9 36.5 36.1 35.7 35.4 35.2 18 39.3 38.2 37.5 36.9 36.5 :36.1 35.7 35.4 35.2 5 DirectionalityFactor(Kd);0.85 -42.6 -41.6 -00.8 -40.3 -39.8 -39.4 -39.1 -38.8 -38.5 -52.6 =50.5 -49.0 -47.9 47.0 -46.2 -45.5 -44.9 44.4 6 For situations requiring Kd=1.0,multiply the values in 19 39.7 38.7 37.9 37.4 36.9 36.5 36.1 35.8 35.6 19 39.7 .38.7 37.9 37.4 36.9 36.5 36.1 35.8 35.6 these tables by 1.18. Verify Kd requirements with local -43.1 -42.0 -41.3 '40.7 -40.3 -39.9 -39.5 -39.2 -38.9 -53.2 -51.1 -49.6 -48.5 47.5 46.7 -46.0 -45.4 -44.9 building official and product approvals before use. 20 40.2 39.1 38.3 37.8 37.3 36.9 36.5 36.2 36.0 20 40.2 39.1 38.3 37.8 37.3 36.9 36.5 36.2 36.0 7 Enclosed Building:Gcpi=0.18 -43.6 -42.5 -41.7 -41.2 -40.7 -40.3 -39.9 -39.6 -39.4 -53.8 -51.7 --50.1 -49.0 -48.0 -47.2 -46.5 -45.9 45.4 Consult an Enalneer for any other conditions. 22 41.0 39.9 39.1 38.5 38.0 37.6 37.3 37.0 36.7 22 41.0 39.9 39.1 38.5 38.0 37.6 37.3 37.0 36.7 44.4 -43.4 42.6 42.0 41.5 -41.1 -40.7 -40.4 -40.2 -54.9 -52.7 -51.2 -50.0 -49.0 -46.2 -47.5 46.8 46.3 Instructions 24 41.7 40.6 39:8 39.2 38.7 38.3 38.0 37.6 37.4 24 41.7 40.6 39.8 39.2 38.7 38.3 38.0 37.6 37.4 1 Tables show the"worst qase"design pressures,with any -45.3 -44.2 -43.4 -42.8 -42.3 41.9 41.5 -41.2 -40.9 -55,9 -53.7 -52.1 '-50.9 -49.9 749.1 48.4 -47.7 -47.1 unknown variable at its critical condition. 26 42.4 41.3 40.5 39.9 39.4 39.0 38.6 38.3 38.0 26 42.4 41.3 40.5 39.9 39:4 39.0 38.6 38.3 38.0 2 Tables are valid for any roof slope. For reductions for roof 46.0 44.9 44.1 43.5 -43.0 -42.6 -42.2 -41.9 -41.6 -56.8 -54.6 -53.0 -51.8 -50.8 49.9 -49.2 48.5 47.9 slopes less than 10 degrees,consult Engineer for site 28 43.1 42.0 41.2 40.5 40.0 39.6 39.2 38.9 38.6 28 43.1 42.0 41.2 40.5 40.0 39.6 39.2 38.9 38.6 specific analysis. -46.8 -45.6 -44.8 44.2 -43.7 43.2 -42.9 42.5 -42.2 -57.7 -55.4 -53.8 -52.6 -51.6 -50.7 49.9 49.3 48.7 3 Calculate the average roof height. If average cannot be 30 43.7 42.6 41.8 41.1 40.6 40.2 39.8 39.5 39.2 30 43.7 42.6 41.8 41.1 40.6 ' 40.2 39.8 39.5 39.2 determined,use the peak roof height. Round up the roof -47.4 -46.3 -45.5 -44.8 -44.3 -43.9 -43.5 -43.2 42.9 -58.6 -56.3 -54.6 -53.3 -52.3 -51.4 -50.7 -50.0 49.4 height to the next highest table value. 32 44.3 43.2 42.3 41.7 41.2 40.7 40.3 40.0 39.7 32 44.3 43.2 42.3 41.7 41.2 40.7 40.3 40.0 39.7 4 Calculate the tributary area(length x height)of the opening -48.1 -46.9 -46.1 -45.4 -44.9 -44.5 -44.1 43.8 -43.5 -59.4 -57.0 -55.4 -54.1 -53.0 -52.1 -51.4 -50.7 -50.1 in question.Round the tributary area down to the next 34 44.9 43.7 42.9 42.2 41.7 .41.2 40.9 40.5 40.2 34 44.9 43.7 .42.9 42.2 41.7 41.2 40.9 40.5 40.2 smallest table value. If the tributary area is unknown,use 48.7 -47.5 =46.7 -46.0 -45.5 -05.1 -44.7 -04.3 -04.0 -60.1 -57.8 -56.1 -54.6 53.7 52.8 52.0 51.3 50.7 the most critical value(10 square Feet). 36 45.4 44.2 43.4 42.7 42.2 41.7 41.3 41.0 40.7 36 45.4 44.2 43.4 42.7 42.2 41.7 41.3 41.0 40.7 5 Area between structural mullions shall be used as tributary -49.3 48.1 -47.2 -46.6 -46.1 -45.6 -45.2 44.9 -44.5 -60.8 -58.5 -56.8 -55.4 -54.4 -53.4 -52.7 -52.0 -51.3 area. 3B 46.0 44.8 43.9 43.2 42.7 42.2 41.8 41.5 41.2 38 46.0 44.8 43.9 43.2 42.7 42.2 41.8 41.5 41.2 6 Determine the Zone(Interior 4,or Exterior 5)of the -49.9 -48.6 47.8 -47.1 -46.6 -46.1 -45.7 -45.4 -45.1 -61.5 -59.1 -57.4 -56.1 -55.0 -54.1 -53.3 -52.6 -51.9 opening. An opening with any portion closer than distance 40 46.5 45.2 44.4 43.7 43.1 42.7 42.3 41.9 41.6 40 46.5 45.2 44.4 43.7 43.1 42.7 42.3 41.9 41.6 ..all to a building comer shall be considered in an Exterior -50.4 -49.2 -48.3 47.6 -47.1 46.6 -46.2 -45.9 45.5 -62.2 -59.8 -58.0 -56.7 -55.6 -54.6 -53.8 -53.1 -52.5 Zone(5),otherwise if all of the opening falls more than 47.4 46.2 45.3 44.6 44.0 43.5 43.1 42.8 42.4 47.4 46.2 45.3 44.6 44.0' 43.5 43.1, 42.8 42.4 distance"a"from a building comer,the opening shall be 44 -51.4 -50.2 -49.3 -48.6 48.0 -47.6 -47.2 46.8 -46.5 44 -63.5 -61.0 -59.2 -57.8 -56.7 -55.8 -54.9 -54.2 -53.61 considered in an Interior Zone(4). 48 48.3 47.0 46.1 45.4 44.8 44.4 43.9 43.6 43.2 48 48.3 47.0 46.1 45.4 44.8 44.4 43.9 43.6 43.2 7 Distance"a,"as refered to above,shall be calculated as the -52.4 -51.1 -50.2 -49.5 -48.9 -48.4 -480 -47.7 -47.3 -64.6 -62.1 -60:3 -58.9 -57.8 -56.8 =55.9 -55.2 ' -54.5 smaller of 10%ofthe'minimum building width or 40%of 52 49.1 47.8 46.9 46.2 45.6 45.1 44.7 44.3 44.0 52 49.1 47.8 46.9 46.2 45.6 45.1 44.7 -44.3 44.0 the height,but not less than 3 feet. -53.3 -52.0 -51.1 -50.3 -49.8 -49.3 -48.8 '.-48.5 -48.1 -65.7 -63.2 -61.3 -59.9 -58.7 -57.8 -56.9 -56.1 -55.5 8 Read the worst case positive and negative design pressures 56 49.9 48.6 47.6 46.9 46.3 45.8 45.4 45.0 '44.7 56 49.9 48.6 47.6 46.9 46.3 45.8 45.4 45.0 44.7 for use as required by governing building'department. -54.1 -52.8 -51.9 -51.1 -50.5 -50.0 49.6 49.2 -48.9 -66.8 -64.2 -62.3 -60.8 . -59.7 -58.7 -57.8 =57.0 -56.3 50.6 49.3 48.3 47.647.0 46.5 46.0 45.7 45.3 50.6 49.3 483 47:6 47.0 46.5 46.0 45.7 45.3 60 -54.9 -53.6 -52.6 -51.9 -51.3 50.8 50.3 -49.9 -49.6 60 -67.8 -65.1 -63.2 -61.7 -60.5 -59.5 -58.6 -57.9 -57.2 General Notes 1 .These tables list allowable pressures(W"w),given as 0.6*Walt,where W"i,is the wind pressure calculated in accordance with Chapters 26 and 30 of ASCE 7-10 using the ultimate design wind speed(Volt)and the variables given herein. ' Emma T.Mellinger,�P.E. t - ------2-These tables are not valid-as a site-specific drawing=--------__-__-__-__________ _- _ __ _ _ -FL P.E.#50049 3 These tables apply to walls and vertical surfaces only. - 4 Use of these tables,and the values and coefficients listed herein is to be dictated and verified by the governing building department and permit holder. _ ; 5 These tables are intended solely to illustrate design wind pressures as listed. No otluer warranty or certification is intended or applicable. .f ); 6 This document is the work and property ofEimma T.Mellinger,P.E.,and shall not be reproduced in whole or in part without her express written consent. Date: March 8,2018 Not Valid without Signature and Raised Embossed Seal