(1) A hot and cold water supply shall be provided to,
(a) every plumbing appliance and fixture required by Article 3.7.6.4.,
(b) every area where food or drink for human consumption, or an ingredient of food or drink for human consumption, is manufactured, processed or prepared, and
(c) every area where utensils are washed.
(2) This Article does not apply to a retail food premises described in Sentence 3.7.6.4. (3).