Ala. Admin. Code r. 420-3-1-.09
Current through Register Vol. 43, No. 1, October 31, 2024
Section 420-3-1-.09 - Engineer Design Required(1) The following systems or site characteristics shall require a design by an engineer: (a) The system has a design flow of more than 1,800 gpd of sewage. See 420-3-1-.52 Design Flow and Wastewater Concentrations.(b) The system will serve a food establishment that is classified as a Priority Category 3 or 4 establishment by the Board's Rules for Food Establishment Sanitation, Chapter 420-3-22, Ala. Admin. Code.(c) The system will receive high strength sewage. These systems do not have to use advanced treatment unless the design flow is over 1,800 gpd, but the field shall be sized according to 420-3-1-.55 Gravel Field Standard EDF Sizing for Establishments.(d) The site characteristics prohibit the use of a Conventional OSS. See Table 7 and Table 18.(e) The site characteristics set forth under 420-3-1-.51 Lot Modification - Planned and Unplanned stipulate engineer involvement.(f) The lot is smaller than the minimums set out in 420-3-1-.10 Minimum Lot Size Requirements.(g) Slopes over 25 percent in the EDF area.(h) A system that does not meet the definition of a Conventional OSS.Ala. Admin. Code r. 420-3-1-.09
Filed July 20, 1988. Amended: Filed June 19, 1992. Repealed and New Rule: Filed December 16, 1999; effective January 20, 2000. Repealed and New Rule: October 20, 2005; effective November 24, 2005; operative March 19, 2006. Amended: Filed October 19, 2006; effective November 23, 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 .08 was renumbered .09 per certification published December 30, 2022; effective February 13, 2023.
Authors: 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.