Ariz. Admin. Code § tit. 12, ch. 15, art. 12, tbl. 5

Current through Register Vol. 30, No. 45, November 8, 2024
Table 5 - Minimum Factors of Safety for Stability1

Embankment Loading Condition Minimum Factor of Safety
End of construction case - upstream and downstream slopes 1.3
End of construction case for embankments greater than 50 feet in height on weak foundations 1.4
Steady state seepage - upstream (critical partial pool) and downstream slope (full pool) 1.5
Instantaneous drawdown - upstream slope 1.2

1 Not applicable to an embankment on a clay shale foundation.

Ariz. Admin. Code tit. 12, ch. 15, art. 12, tbl. 5

New Table adopted by final rulemaking at 6 A.A.R. 2558, effective June 12, 2000 (Supp. 00-2).