Section 435.05 - Location; Structural Stability, Finish(1) A swimming, wading or special purpose pool should be located where it can be maintained free from pollution by dust, smoke, soot, surface drainage or other deleterious substances and shall comply with all restrictions of 310 CMR 15.00: The State Environmental Code, Title 5: Standard Requirements for the Siting, Construction, Inspection, Upgrade and Expansion of On-site Sewage Treatment and Disposal Systems and for the Transport and Disposal of Septage.(2) Construction of every swimming, wading or special purpose pool shall conform with appropriate state and local building, health, plumbing and electrical code requirements.(3) No projection except ladders and grab rails shall be permitted from any pool wall or floor surface, provided that a fill spout maybe constructed under the diving stand, rounded fittings projecting not more than two inches from the wall may be installed. A recessed stairway shall not be considered a projection for the purposes of 310 CMR 12.00. A safety ledge as described in 105 CMR 435.11(4) shall not be considered a projection for the purposes of 105 CMR 435.00.(4) The finish of the walls and floors of every swimming, special purpose and wading pool shall be of concrete, cement, mortar, tile, paint, vinyl liner, fiberglass or other inert and impervious material, shall be reasonably enduring, shall be moderately smooth and free from cracks, and shall be of light color.(5) The designing registered architect or registered professional engineer shall be responsible for certifying to the structural stability and safety of the pool.