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CITY OF SANTA ANA <br />Planning and Building Agency <br />SLOT CUT STABILITY ANALYSIS <br />Description <br />Value <br />Unit Weight, 7 (pcf) <br />130 <br />Friction, � (deg) <br />24.8 <br />Cohesion, c (psf) <br />776 <br />Cut Height, H (ft) <br />12.0 <br />Failure Radius, r (ft) <br />4.0 <br />Failure Width, B = 2r (ft) <br />8.0 <br />Volume, V = nr2H / 4 (ft) <br />151 <br />Weight, W = V7 (lb) <br />19,680 <br />Surcharge, Q (lb) <br />10,000 <br />Weight+Surcharge, W + Q, (lb) <br />29,680 <br />Surface Area, A = 0.5236r ((r +41-12)312 - r3) (ft2) <br />104 <br />Driving Force, Fp = WH / (r2+H2) 2 (lb) <br />28,157 <br />Normal Force, FN = Wr / (r2+H2) 2 (lb) <br />9,386 <br />Frictional Resistance, RF = FN tangy (lb) <br />4,337 <br />Cohesive Resistance, Rc = A c (lb) <br />80,704 <br />Total Resistance, R = RF + Rc (lb) <br />85,041 <br />Factor of Safety, FS = R / Fp <br />3.02 <br />Approve <br />FOR PERMIT ISSU NCE <br />IVIa-tPr if)- <br />e: <br />Proj. No.: 32-6235-00 1 Date: 08-2022 <br />Project: 1601-1607 N. Bristol Street <br />A.G.I. GEOTECHNICAL, INC. lCa1c. Bv: WFB <br />