675 IAC 20-1.1-12 Definitions "L"

Sec. 12. (a) "Ladders" mean the following: (1) "Deck ladder" means a ladder for deck access from outside the pool. (2) "In-pool ladder" means a ladder located in a pool to provide ingress and egress from the deck. (3) "Limited access ladder" means a ladder with provision for making entry inaccessible when a pool is not in use, that is, swing-up, slide-up, or equivalent. (b) "Light reflectance value" or "LRV" means a scientifically determined numerical rating on the amount of light and heat that a color will reflect on a scale of zero (0) to one hundred (100). Pure black is zero (0), and pure white is nearly one hundred (100). (c) "Liner" means the membrane that acts as a container for the water, usually categorized as one (1) of the following: (1) "Expandable liner" means a liner that is constructed of a material that has the capability of stretching into a greater depth of irregular shape other than the original constructed dimensions. (2) "Hopper liner" means a liner that is used to obtain greater depth by geometrical pattern construction on the liner bottom or floor to fit a predetermined size and shape. (d) "Listed" means equipment or materials included in a list published by an organization engaged in product evaluation, that maintains periodic inspection of production of listed equipment or materials, and whose listing states either that the equipment or material: (1) meets appropriate standards; or (2) has been tested and found suitable for use in a specified manner. (e) "Lower distribution system" (underdrain) means those devices used in the bottom of a permanent medium filter to: (1) collect the water during the filtering; and (2) distribute the water during the backwashing.