Kansas Administrative Regulations
Agency 5 - DEPARTMENT OF AGRICULTURE-DIVISION OF WATER RESOURCES
Article 40 - DESIGN OF EARTH DAMS
Section 5-40-22 - Design requirements for construction of a dam

Universal Citation: KS Admin Regs 5-40-22
Current through Register Vol. 43, No. 12, March 20, 2024

Each dam constructed shall meet or exceed the design requirements specified in the table in this regulation. The minimum top of the dam elevation shall be the maximum water surface elevation determined by routing the design storm specified in the following table, using the methodology specified in K.A.R. 5-40-30 through K.A.R. 5-40-33, through the reservoir and the dam's spillways, plus the minimum freeboard shown in the following table. The minimum floor width of the open-channel spillway shall be the minimum floor width shown in the following table.

Dam Hazard Precipitation Minimum Minimum floor

size class for design freeboard width of open-

class storm in feet channel

spillway in feet

1 A 2% chance 1 20

B 0.25 PMP 2

C 0.40 PMP 3

2 A 1% chance 2 30

B 0.25 PMP 2

C 0.40 PMP 3

3 A 1% chance 3 40

B 0.30 PMP 3

C 0.40 PMP 3

4 A 0.25 PMP 3 40

B 0.30 PMP 3

C 0.40 PMP 3

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