SECTION 785:25-3-5. Minimum design standards (other than spillway)

Latest version.

(a) The construction of the downstream embankment slope shall not be steeper than 3 horizontal units to each 1 vertical unit (3:1) to provide adequate factors of safety against sliding, sloughing or rotation in the embankment and foundation, unless a stability analysis is performed which shows a steeper slope provides an adequate factor of safety.
(b) Except as otherwise provided in this Chapter, all dams must be designed by methods, procedures and criteria that meet or exceed acceptable dam safety engineering practices, including those found in the federal agency publications referenced in 785:25-3-4.

[Source: Amended at 27 Ok Reg 1300, eff 5-27-10]

                    
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