21 NCAC 23 .0404             WATER PRESSURE

(a)  For systems on a municipal or community water supply, an irrigation contractor shall provide allowances in the design for a reduction in static pressure of up to 10 pounds per square inch (psi) to accommodate possible loss of pressure in the supply network.

(b)  Where variable or excessive static pressure exists, an irrigation contractor shall specify pressure regulation.

(c)  An irrigation contractor shall specify the recommended minimum operational pressure for the irrigation system at the maximum design flow rate.

History Note:        Authority G.S. 89G-5;

Eff. August 1, 2011;

Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. September 22, 2014;

Amended Eff. November 1, 2016.