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RETAINING WALL ELEVATION 6ME 'A W 1 -0
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SEE SCHEDULE FOR
WALL ROW.
SEE SCHEDULE FOR
PLASTER ROW.
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G E N E R A L N 0 T E S
CONCRETE
CONCRETE FOR PRECAST PANELS AND PILASTERS SHALL DEVELOP A MINI"
COMPRESSIVE STRENGTH OF 2500 PSI @ 28 DAYS. CONCRETE FOR CAISSONS,
SHALL DEVELOP A MINIMUM COMPRESSIVE STRENGTH OF Z560 PSI 0 2e DAYS.
REINFORCING STEEL
REINFORCING STEEL SHALL CONFORM TO ASTM GRADE 40 DEFORMED BARS FOR
NO.4 AND SMALLER AND GRADE 60 DEFORMED BARS FOR NO.5 AND LARGER,
WELD I NG
WELDING SHALL CONFORM TO UBC STANDARDS. ALL WELDING SHALL BE DONE
BY CERTIFIED WELDERS USING E70XX ELECTRODES FOR ALL WELDS. ALL
WELDS SHALL BE INSPECTED.
STRUCTURAL STEEL
ALL STRUCTURAI STEEL AND MISCELANEOUS STEEL SHALL CONFORM TO ASTM
A 36 SPECIFICATI DNS. STRUCTURAL STEEL SHALL BE COATED WITH A ZINC
PRIMER AND SHALL BE PROTECTED WITH A MINIMUM OF 2 INCHES CONCRETE.
LATERAL LOADS.
WIND LOADS USED IN DESIGN ARE BASED ON A WIND SPEED OF 90 MPH AND
EXPOSURE CONDITION C. FOR SCREEN WALLELOADS WERE REDUCED BY 26%,
SEISMIC LOADS USED IN DES IGN ARE BASEDON A HORIZONTAL FORCE FACTOR
OF cp z A
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SOIL CONDITIONS
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VERTICAL BEARING PRESSURE USED IN DESIGN 1800 ps? (0 30 INCH MIN. 62 La
DEPTH) 04 1 a
LATERAL BEARING PRESSURE USED IN DESIGN cc W
(INCREASE OF 100% USED FOR CONDITIONS OF ISOLATION)
COEFFICIENT OF FRICTION USED IN DESIGN -- .4c) 2
AN EQUIVALENT FLUID PRESSURE OF 30 LBS/CUBIC FOOT WAS USED IN THE
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DESIGN OF RETAINING WALLS WITH LEVEL BACKFILL.
SOIL REPORT: GEn LABS UPOTIIVP VTII1r_r 3:
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W. 0. 7526 L6 DATED MAY 21 1990 (ADDENDUM FOR BEARING PRESSURE
NOV 22 1991)
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REV DATE DESMPTION
APPROVED BY CITY OF FONTANA
251-26 9 z
P40BS:ff VVEM E RCE DATE
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