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

Current through Register Vol. 30, No. 50, December 13, 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).