Ala. Admin. Code r. 335-7-6-.05

Current through Register Vol. 43, No. 1, October 31, 2024

Section 335-7-6-.05 - Surface Water Intake Structures

All surface water intake structures that are permitted for construction after December 31, 2 005 must meet the following requirements, unless a waiver is granted by the Department:

(a) Provide for the withdrawal of water from more than one level unless written approval is obtained from the Department.

(b) All motors and electrical controls must be located above grade and the 100 yearflood level except when submersible pumps are approved by the Department.

(c) Structures must be equipped with removable or traveling screens before the pump suction well or equipped with other means for clearing the screens.

(d) A minimum of two pumps sized to meet the treatment plant design capacity are required. Intakes with more than two pumps must be able to meet the treatment plant design capacity with the largest pump out of service.

(e) Incorporate into the design provisions for preventing surge or water hammer damage when necessary.

(f) Equip discharge piping from the raw water pumping station with a device capable of measuring and totaling the flow.

(g) Provide ample space in the interior of the raw water pumping station for adequate maintenance.

(h) Structures should have adequate lighting to provide for the necessary observation of equipment operation.

Ala. Admin. Code r. 335-7-6-.05

New Rule: Filed December 21, 1998; effective January 25, 1999. Amended: Filed May 2, 2000; effective June 6, 2 000. Repealed and New Rule: Filed November 7, 2 0 05; effective December 12, 2005. Amended: Filed August 21, 2012; effective September 25, 2012.

Author: Edgar K. Hughes

Statutory Authority:Code of Ala. 1975, §§ 22-23-33, 22-23-49, 22-22A-5, 22-22A-6.