Section 675IAC20-1.1-4. Definitions "B"

   (a) "Backwash" means the process of thoroughly cleaning the filter medium or elements, or both, by the reverse flow of water.

  (b) "Backwash cycle" means the time required to backwash the filter system thoroughly.

  (c) "Backwash pipe" means a type of filter waste discharge piping as defined in section 8(o) of this rule.

  (d) "Backwash rate" means the rate of application of water through a filter during the backwash cycle expressed in gallons per minute per square foot of effective filter area.

  (e) "Basin" means any vessel:

(1) constructed of man-made materials; and

(2) designed to hold water to be used as a swimming pool, spa, or water attraction.

  (f) "Bather" means a person using the pool and adjoining deck areas for the purpose of water sports or related activities.

  (g) "Beginners' area" means the water areas ranging in depth from two (2) feet to three (3) feet.

  (h) "Body feed" means the continuous addition of controlled amounts of filter aid during the operation of a diatomite type filter to maintain a permeable filter cake. If added as a slurry, this may be referred to as a slurry feed.

  (i) "Booster pump system" means a device used to provide hydraulic support for certain types of equipment such as pool cleaning systems, gas chlorinators, and solar systems.

  (j) "Breakpoint chlorination" means the addition of a sufficient amount of chlorine to water to destroy the combined chlorine present.

  (k) "Broadcast" means a method of putting granular or powdered chemicals into a pool by spreading them widely over the surface of the water.

  (l) "Building official". See code official. (Fire Prevention and Building Safety Commission; 675 IAC 20-1.1-4; filed Aug 14, 1989, 9:00 a.m.: 13 IR 39, eff Sep 1, 1989 [IC 4-22-2-36 suspends the effectiveness of a rule document for thirty (30) days after filing with the secretary of state. LSA Document #89-17 was filed Aug 14, 1989.]; readopted filed Sep 11, 2001, 2:49 p.m.: 25 IR 530; readopted filed Sep 21, 2007, 9:20 a.m.: 20071010-IR-675070388RFA; readopted filed Oct 10, 2007, 9:16 a.m: 20071031-IR-675070388RFA; filed Mar 25, 2011, 10:19 a.m.: 20110420-IR-675090789FRA; readopted filed Aug 7, 2013, 8:51 a.m.: 20130904-IR-675130181RFA)