(1) Except for dwelling units and as provided in Sentence (2), the number of water closets required for residential occupancies shall conform to Table 3.7.4.6.
(2) At least one water closet or privy shall be provided for every,
(a) 10 campers of each sex in a recreational camp, and
(b) 10 employees of each sex in a camp for housing of workers.
(3) In recreational camps and camps for housing of workers, no fewer than two lavatories or provision for a pail or other portable container of sound construction shall be provided for each of the water closets or privies required in Sentence (2).
(4) A camp for housing of workers shall include,
(a) at least one shower or other area of bathing, and
(b) provisions for at least one washing machine or laundry tub for every 15 beds.