Section 675IAC14-4.3-145. Section M1411.3.1; auxiliary and secondary drain systems

   (a) In the first sentence of Section M1411.3.1, delete "damage to any building components will occur as a result of overflow from the equipment drain pan or stoppage in the condensate drain piping" and insert "installed over a finished ceiling".

  (b) Add a sentence immediately after the next to last sentence of Section M1411.3.1 to read as follows: Such piping shall maintain a minimum horizontal slope in the direction of discharge of not less than 1/8 unit vertical in 12 units horizontal (1-percent slope).

  (c) In the second sentence of Section M1411.3.1, item 3, add the phrase "conforming to UL 508" after "water level detection device."

  (d) Add item 4 to Section M1411.3.1 to read as follows: 4. A water detection device conforming to UL 508 shall be provided that will shut off the equipment served in the event that the primary drain is blocked. The device shall be installed in the primary drain line, the overflow drain line or the equipment-supplied drain pan and shall be located at a point higher than the primary drain line connection and below the overflow rim of such pan.

  (e) Add an exception to the end of Section M1411.3.1to read as follows: Exception: When installed on a water-resistant floor with a floor drain in the same room or space. (Fire Prevention and Building Safety Commission; 675 IAC 14-4.3-145; filed Jun 13, 2005, 3:00 p.m.: 28 IR 3289, eff 90 days after filing with the Secretary of State; filed Mar 6, 2008, 11:13 a.m.: 20080402-IR-675070483FRA; readopted filed Aug 4, 2011, 8:35 a.m.: 20110831-IR-675110254RFA)