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Project: Bethany At Silver Crest By: LW Sheet No. <br />1q:yff Location: Everett, WA Date: 11/11/20 U1-D-2 <br />Client: ThermalRite Revised: Job No. <br />Subject: Walk -In Cooler/ Freezer Analysis Date: 2000618 <br />DIAPHRAGM - UNIT #1 "Cooler/Freezer" <br />CHORD DESIGN - INS FORCES <br />Diaphragm Layout <br />NS2 NS1 <br />229.00 in 0.00 in <br />Chord Forces <br />Chord Force orce ype <br />Diaph. Diaph. Moment Tension Connection <br />FT <br />Location (Ib/in) Length (in) Depth (in) (k-in) (lb) Requirements <br />D(1- 2) 3.5 Ib/in WIND 229.00 in 98.00 in 23.2 k-in 269 lb 1.5 x 20GA Strap <br />TALL = 164 lb Allowable Capacity of Cam in Foam Rails per Table 5 of LARR #24543 <br />Strap Capacity <br />1.5 x 20GA Strap Req'd at the Following Locations: <br />Width = 1.5 in 0 in - 229 in <br />Gauge = 20 GA <br />Area = 0.054 inz <br />Net Area = 0.040 in <br />Fy = 33 ksi <br />FU = 45 ksi <br />TALL = 909 lb Interconnection of the Ceiling Panels Acts as the <br />Chord at Camlock Connections. <br />1.5 x 20GA Strap Provided Where Chord Force <br />Exceeds Camlock Capacity <br />Strap Attachment <br />Screw: 1/4 <br />Thickness of Member in Contact with Screw Head tl: 0.036 in <br />Screw Diameter d: 0.250 in <br />Thickness of Member Not in Contact with Screw Head tz: 0.018 in (tz thickness is based <br />Anchor Location: Exterior <br />Tensile Strength of Member in Contact with Screw Head Ful: 45 ksi of std steel sheet) <br />Spacing: 12 in <br />Tensile Strength of Member Not in Contact with Screw Head Fuz: 45 ksi <br />Safety Factor K2: 3.0 <br />Shear Capacity - Section E4.3.1 <br />t2/tl = 0.499 <br />Pns/92 = 2.7t,dFul = 363 lb Max change in Moment Between Screws AM = 4.6 k-in <br />Pns/92 = 2.7t2dFU2 = 181 lb <br />Pns/92 = 4.2(tz3d)1/zF0 = 75 lb Maximmum Shear in Screw = 47 lb < 75 lb OK <br />P JQ = 75 lb <br />