Section 20.02 - Buildings and Surrounding Areas(1) The licensee shall:(a) Maintain all buildings, kennels, single-animal houses, premises and conveyances in a sanitary condition. All buildings and enclosures shall be structurally sound and be maintained in good repair.(b) Have equipment available for proper storage and disposal of waste material to control vermin, insects and obnoxious odors.(c) Take effective control measures to prevent infestation of animals and premises with external parasites and vermin.(d) Sufficiently heat facilities and kennel area and adequately ventilate them to provide for the health and comfort of the animals. The ambient temperature shall not be allowed to fall below 50°F nor rise above 85°F.(e) Provide ample, quality light by natural or artificial means to permit routine inspection and effective cleaning.(f) Provide interior kennel surfaces that are substantially impervious to moisture and use a suitable drainage method to keep animals and premises clean and dry.(g) Provide animals kept outdoors with access to proper shelter (kennel or single-animal house) to provide for the health and comfort of the animals. Adequate drainage will be available. A motor vehicle is not deemed usable as a shelter.(h) Provide each animal in either a kennel or individual house with sufficient space to allow each to turn about freely and to easily stand, lie and sit in a comfortable normal position. Each dog shall be provided a minimum square footage of floor space equal to the mathematical square of the sum of the length of the dog in inches, as measured from the tip of its nose to the base of its tail, plus half that length. A suitable resting area shall be available for each animal.(i) Group-housed animals must be compatible and housed as in 330 CMR 20.02(1)(h). No more than two adults (over one year of age) may be housed together.(j) Provide an area subject to size and temperature requirements above and separated from all other animals, which is available for isolation in case of illness.