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FOOTHILL ENGINEERING <br />12793 PADDY CREEK LANE LODI, CA 95240 <br />209/368-9381 fax 209/367-1163 <br />PROJECT: PAN ELLA TRUCKING WASTE OIL TANK SEISMIC CHECK <br />DATE: 7/14/08, 8/13/08 <br />STATIC FORCE PROCEDURE UBC97 1630.2 SEISMIC FOR TANKS <br />WALL := D•3.14•H•T•WTSQIN D:= 72 H:= 114 T:= .375 WTSQIN := .26 <br />WALL= 2.513 x 103 LBS <br />BOT := D • D -3 . 14-T-WTSQIN BOT = 396.77 LBS <br />2 2 <br />TOP := BOT <br />DL := WALL + BOT + TOP DL = 3.306 x 103 LBS STEEL IN TANK <br />D D WTCUIN := 62.3WTCUIN = 0.036 <br />LL := 2 • 2 •3.14•H•WTCUIN 1728 <br />LL = 1.673 x 104 LBS OF WASTE OIL FULL <br />TOT WT := DL + LL TOT WT = 2.003 x 104 LBS <br />USING 1997 BUILDING CODE CHAPTER 16 SECTION 1634.3 FOR RIGID STRUCTURES <br />Ca:= 0.36 SOIL PROFILE = SE ZONE= 3 <br />I:= 1 <br />V:= 0.7•Ca•I•TOT WT V = 5.048 x 103 LBS HOZ SHEAR AT THE BASE <br />CHECK FOR OVERTURNING <br />114 <br />OT := V. 2 — TOT—WT-36 OT = —4.334 x 105 LBS OVERTURNIG NEG. OK <br />OT <br />SAFTY FACTOR SF:-- 57 SF = —1.506 WITHOUT ANCHORS OK <br />V <br />ANCHOR DESIGN FOR WASTE OIL TANK TRY 4 ANCHORS WITH WELDED ANCHOR BLOCK <br />ASSUME THE FORCE ACTING ON ONLY 2 ANCHORS <br />ANCHOR BOLTS REQURED EPDXY EMBEDMENT 6" MIN. <br />EABOLT := V EABOLT = 2.524 x 103 PER BOLT 2 BOLT REQ. EACH DIRECTION <br />2 <br />4 EA USE 5/8 BOLTS WITH 6" EPDXY IMBEDMENT USE A325 BOLT OR BETTER (HILTI HVA <br />EPDXY SYSTEM) <br />ANCHOR BLOCK DESIGN TRY 2.5" X 2.5 "X .25" TUBING AT 60 K LBS/SQIN <br />CHECK BEARING ON TUBE <br />1/4" X 5/8" BEARING AREA Vb := .25•.675.60 Vb = 10.125 K OK FOR SHEAR <br />WITH LOAD OF 2.5 K <br />