Except as otherwise provided in Section 33733, minimum construction standards for new milk products plants shall include a separate room for each of the following operations:
(a) Receiving and weighing of milk or cream, and washing and sterilizing of containers in which milk or cream is received.
(b) Pasteurization, processing, cooling, and manufacturing.
(c) Washing and sterilizing bottles or cans which are used in the delivery of milk or cream to the wholesale or retail trade.
(d) Bacteriological and chemical analyses.
(e) Adequate and efficient cold storage room or rooms mechanically equipped and operated.
(f) Boiler, compressor, and other machinery.
(h) Toilets, lavatories, and lockers.