Authority: IC 13-14-8; IC 13-14-9; IC 13-15-1-2; IC 13-15-2-1; IC 13-18-3-1; IC 13-18-4-1

Affected: IC 13-11-2; IC 13-13-5-1; IC 13-18-2

Sec. 12. (a) If the water main is to include fire flow with fire hydrants, the minimum size of piping and accessories supplying water to the water main and fire hydrants shall be six (6) inches in diameter. The minimum size of hydrant leads shall be six (6) inches in diameter.

(b) No water main shall be less than three (3) inches in diameter unless:

1. (1) the material requirements of section 8 of this rule are met;
2. (2) the water main is a dead-end main less than three hundred fifty (350) feet in length; and
3. (3) the flowrate and pressure requirements of section 11 of this rule are met.

(c) If a public water system is not providing fire flow, then fire hydrants shall not be installed on water mains.

(Water Pollution Control Division; 327 IAC 8-3.2-12; filed Mar 31, 1999, 1:50 p.m.: 22 IR 2505; readopted filed Jan 10, 2001, 3:23 p.m.: 24 IR 1518; readopted filed Nov 21, 2007, 1:16 p.m.: 20071219-IR-327070553BFA; readopted filed Jul 29, 2013, 9:21 a.m.: 20130828-IR-327130176BFA; readopted filed Jun 14, 2019, 1:59 p.m.: 20190710-IR-327190246BFA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA)