(a) You must install and maintain loose-fill surfacing materials to a depth of:
  (1) At least six inches when the height of the highest designated play surface is five feet or less; and
  (2) At least nine inches when the height of the highest designated play surface is greater than five feet.
(b) You must not install loose-fill surfacing materials over concrete or asphalt.
(c) You must mark all equipment support posts to indicate the depth at which the loose-fill surfacing material must be maintained under and around the equipment.
(d) You must ensure the loose-fill materials are maintained at the proper depth at all times.
(e) Loose-fill surfacing materials must not be used indoors.

Source Note: The provisions of this §746.4907 adopted to be effective September 1, 2003, 28 TexReg 1402; amended to be effective December 1, 2010, 35 TexReg 10238; amended to be effective June 1, 2014, 39 TexReg 3720; amended to be effective April 15, 2017, 42 TexReg 1575; transferred effective March 9, 2018, as published in the Texas Register February 16, 2018, 43 TexReg 909