Section Env-Wq 1108.18 - Depth Markers and Float Lines(a) The owner of a PBF shall plainly and conspicuously mark the depth of water in feet: (1) At or above the waterline on the vertical wall of the PBF; and(2) On the top of the coping or edge of the deck or walkway next to the PBF.(b) Depth markers on surfaces used for walking shall be slip-resistant.(c) Depth markers shall be installed at: (1) The maximum and minimum water depths;(2) All points of slope change;(3) Intermediate increments of water depth not to exceed 2 feet, nor spaced at distances greater than 25-foot intervals; and(4) When an underwater shelf does not use steps as a transition to the rest of the pool, depth markers of the adjacent pool depth shall be placed at the underwater shelf's edge a minimum of every 10 feet.(d) Depth markers on irregularly shaped pools and spas also shall designate depths at all major deviations in shape.(e) Depth markers shall be: (1) At least 4 inch in height;(2) Of contrasting color to the background on which they are applied; and(3) Of a permanent nature, provided that semi-permanent markers may be used until the PBF undergoes renovations that allow permanent markers to be affixed.(f) Any PBF having depths greater than 5 feet shall have a rope with attached floats placed across the pool one to 2 feet from the 5-foot depth on the shallow side of the break.N.H. Admin. Code § Env-Wq 1108.18
Derived from Volume XLI Number 19, Filed May 13, 2021, Proposed by #13198, Effective 5/1/2021, Expires 5/1/2031 (see Revision Note #3 at chapter heading for Env-Wq 1100) (formerly Env-Wq 1105.18)