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<br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />I-IARZA <br />NORTHWEST, INC. <br /> <br />CALCULA nON COVER SHEET <br /> <br />PROJECT: Continental Dam JOB NO.: 7147G <br />CALCULATION DESCRIPTION ORIGINAL 0 CHECK 0 <br />Stability Analysis: Downstream Section at Station 2+ 18 <br />Calculations by: NTD using ST ABL/G Program <br />CRITERIA <br />Calculations using Janbu's Method of Slices <br />Assume: <br />Layer I.(Shell): ~ = 380 and c ~ 0 psf <br />Layer 2.(Existing): ~ ~ 380 and c = 0 psf <br />Layer 3.(Core): ~ =250 and c = 0 psf <br />Layer 4 (Rock): ~ = 450 and c = 0 psf <br />Filter 100 % working. Downstream embankment shell dry. <br />RESULT <br />Minimum Factor of Safety = 1.816 <br />REV DATE BY CHECKED NOTES <br />Original- 09/21194 NTD <br />