(1) To define capacity, licensed indoor early learning program space must have a minimum of thirty-five square feet per child in attendance and further comply with the requirements of this chapter.

(a) Center early learning program space must provide fifteen additional square feet for each infant or toddler using a crib or playpen if the crib or playpen is located or placed in the sleeping or play area.

(b) Floor space under tables, desks, chairs, and other equipment used as part of children's activities must be included in the overall capacity.

(c) Office or kitchen space that is inaccessible to children and not intended for their use must not be included in the overall capacity.

(d) Napping areas may be used as early learning program space if mats and cots are removed when not in use and children have free access to the area.

(2) The following indoor space must not be counted in the overall capacity:

(a) Unlicensed space;

(b) Hallway space that is used for emergency evacuation or is not approved to be used for program activities;

(c) Bathrooms and diaper changing areas (including twenty-four inches surrounding diaper changing areas and handwashing sink, unless the diaper changing area has a two foot high barrier);

(d) Laundry areas;

(e) Closets;

(f) Stairways; and

(g) Floor space occupied by shelves, built-in cabinets, file cabinets, desks, or other office equipment not intended to be accessible to children.

(3) A large, licensed indoor gross motor activity space may be used to supplement the requirements of outdoor program space, pursuant to WAC 110-300-0145, but must not be counted in the overall capacity if:

(a) The space provides seventy-five square feet per child for the maximum number of children listed on the license or the provider rotates groups of children; and

(b) The space is safe and appropriate for activities otherwise performed in an outdoor play space.