Section 170 IAC 6-3-9 - Water flow in mains; pressure variations and surveysAuthority: IC 8-1-1-3; IC 8-1-2-4
Affected: IC 8-1-2-33; IC 8-1-2-34
Sec. 9.
Pressure and Flow of Water in Mains.
(a) Pressure Variation. The pressure of the water supplied by any utility as measured at the consumer's service where it enters the building shall not indicate a differential pressure of less than one-half pound per square inch working pressure between flow and return pipes and the average pressure in flow and return service pipes shall be sufficient at all times completely to fill all radiators in the consumer's installation.(b) Pressure Surveys. Each hot water heating utility shall provide itself with the proper gauges and instruments and shall take and record on order of the commission measurements of the water pressures and variations in pressure throughout the system at points indicated on a map of the distribution system on file with the commission.(c) Flow. The utility shall be equipped and prepared to furnish at least six pounds of water at the consumer's premises per square foot of radiation per hour.Indiana Utility Regulatory Commission; No. 17689: Standards of Service For Central Station Hot Water Heating Utilities Sec 9; filed Jan 2, 1946, 10:00 am: Rules and Regs. 1947, p. 1656; readopted filed Jul 11, 2001, 4:30 p.m.: 24 IR 4233; readopted filed Apr 24, 2007, 8:21 a.m.: 20070509-IR-170070147RFAReadopted filed Aug 2, 2013, 2:16 p.m.: 20130828-IR-170130227RFA