Ala. Admin. Code r. 420-3-1-.53 - Gravel Field Standard EDF Sizing For Dwellings

(1) The Gravel Field Standard is the minimum total trench bottom area for dwellings calculated by multiplying the number of bedrooms by the number in the column labeled "Square Feet per Bedroom" in Table 2 or Table 3. The loading rate for an EDF shall correspond to the measured or assigned percolation rate determined according to 420-3-1-.39 Soil Permeability.

(2) A primary EDF for dwellings shall be a minimum of 300 square feet of the Gravel Field Standard. Permitted disposal products may be used with appropriate sizing.

Notes

Ala. Admin. Code r. 420-3-1-.53

New Rule: Filed October 20, 2005; effective November 24, 2005; operative March 19, 2006. Adopted by Alabama Administrative Monthly Volume XXXV, Issue No. 04, January 31, 2017, eff. 3/5/2017. Adopted by Alabama Administrative Monthly Volume XLI, Issue No. 03, December 30, 2022, eff. 2/13/2023.

Previous Rule .79 was renumbered .53 per certification published December 30, 2022; effective February 13, 2023.

Author: Thad Pittman, Matthew Conner, Ken Stephens, Bob Bright

Statutory Authority: Code of Ala. 1975, §§ 22-2-2(4); 22-2-2(6); 22-10-1, et seq.; 22-26-1et seq.