WAC 51-11C-20223. Section C202.23 — W

WALK-IN COOLER . An enclosed storage space capable of being refrigerated to temperatures above 32°F (0°C) and less than 55°F (12.8°C) that can be walked into, has a ceiling height of not less than 7 feet (2134 mm) and has a total chilled storage area of less than 3,000 square feet (279 m 2 ) . WALK-IN FREEZER . An enclosed storage space capable of being refrigerated to temperatures at or below 32°F (0°C) that can be walked into, has a ceiling height of not less than 7 feet (2134 mm) and has a total chilled storage area of less than 3,000 square feet (279 m 2 ) . WALL . That portion of the building envelope , including opaque area and fenestration , that is vertical or tilted at an angle of 60 degrees from horizontal or greater. This includes above-grade walls and below-grade walls , between-floor spandrels, peripheral edges of floors, foundation walls , roof and basement knee walls, dormer walls, gable end walls, walls enclosing a mansard roof, and skylight shafts. WATER HEATER . Any heating appliance or equipment that heats potable water and supplies such water to the potable hot water distribution system. WOOD-FRAMED AND OTHER WALLS . All other wall types, including wood stud walls .