Current through Register Vol. 49, No. 2, January 10, 2025
Section 653.106 - Distribution System Pressurea) Distribution system design shall conform to the Standards.b) Distribution systems shall be designed to maintain a minimum pressure of 20 psi measured at the ground surface in all parts of the system under fire-fighting demand or other similar emergency operating conditions.Ill. Admin. Code tit. 35, § 653.106