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'sySeals <br /> CALCULATIONS FOR WALL-MOUNTED SIGNS <br /> easysealscom <br /> 'Wall Sign Anchor Design <br /> Structure Dimensions & Loading <br /> Design wind pressure: P= 35.2 psf <br /> Sign type: Channel Letter <br /> Sign size: A= 3.8 sgft (per letter, critical) <br /> Wall material: Masonry (ASTM C90,1,500 psi min) <br /> Anchor type/size: 1/4"Tapcon <br /> Ref: ITW Tapcon, NOA 07-1126.10 <br /> Min Embedment: 1.25" <br /> Min edge dist: 2.5" Min Spacing: 3" <br /> Anchor tensile capacity: Tcap= 195.0 lb (per anchor) <br /> Check Anchors for Pullout <br /> Total Reaction: Rt= 132 lb ...=P*A (per letter) <br /> No.of anchors req'd: n = 0.7 anchors per letter ...=Rt/cap <br /> Total anchors required: 1 anchors per letter <br /> OK,typical anchor option shown. Limit to min (3) per letter, bal. <br /> Ref anchor schedule for other anchor options. <br /> Page 3 <br />