Section 675 IAC 20-1.1-8 - Definitions "F"Authority: IC 22-13-2-2
Affected: IC 22-12; IC 22-13; IC 22-15; IC 36-7
Sec. 8.
(a) "Face piping" means the piping, with all valves and fittings, that is used to connect the filter system together as a unit.(b) "Family pool" means a residential swimming pool.(c) "Filter" means a device that separates solid particles from water by circulating the water through a porous substance (a filter medium element).(d) "Filter aid" means a type of finely divided media used to coat a septum type filter, usually diatomaceous earth or volcanic ash. (Note: Alum, as used on the bed of a sand filter, is also referred to as a filter aid.)(e) "Filter, cartridge" means a filter that uses a porous cartridge as its filter medium.(f) "Filter cycle" means the operating time between cleaning or backwash cycles.(g) "Filter, diatomaceous earth" means a filter that uses a thin layer of diatomaceous earth as its filter medium that periodically must be replaced.(h) "Filter element" means that part of a filter that supports the surface upon which the filter aid is deposited (usually in diatomite filters).(i) "Filter media" means the finely graded material that entraps suspended particles (sand, anthracite, etc.).(j) "Filter, permanent medium" means a filter that under normal use will not have to be replaced.(k) "Filter rate" means the rate of application of water to a filter expressed in gallons per minute per square foot of effective filter area.(l) "Filter rock" means graded, rounded rock or gravel, or both, not subject to degradation by common pool chemical used to support filter media.(m) "Filter sand" means a specially graded type of permanent filter media.(n) "Filter septum" means that part of the filter element in a diatomite type filter upon which a cake of diatomite or other nonpermanent filter aid may be deposited.(o) "Filter waste discharge piping" means piping that conducts wastewater from a filter to a drainage system. Connection to drainage system is made through an airgap or other approved method.(p) "Floor" means the interior bottom pool surface and consists of that surface from a horizontal plane up to a maximum of a forty-five (45) degree slope.(q) "Flow balance valve" means a device to regulate the effluent from the skimmer housing of each of a combination of two (2) or more surface skimmers.(r) "Freeboard" means the clear vertical distance in a sand type filter between the top of the filter media and the lowest outlet of the upper distribution system.(s) "Fresh water" means water having a specific conductivity less than a solution containing six thousand (6,000) parts per million of sodium chloride.(t) "Friction loss" means the pressure drop expressed in feet of water or psi caused by liquid flowing through the piping and fittings.Fire Prevention and Building Safety Commission; 675 IAC 20-1.1-8; filed Aug 14, 1989, 9:00 a.m.: 13 IR 40, 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-675130181RFAReadopted filed 7/2/2019, 2:21 p.m.: 20190731-IR-675190264RFA