In their interpretation and application, the provisions of this chapter
shall be held to be minimum requirements, adopted for the promotion
of the public health, safety and general welfare. It is not intended
to interfere with, abrogate or annul other rules, regulations or laws,
provided that whenever the requirements of this chapter are at a variance
with the requirements of any other lawfully adopted regulations, rules
or laws, the most restrictive, or those which impose the highest standards,
shall govern.