All buildings and structures will, when constructed or altered, be equipped with sprinklers installed and maintained in accordance with the current NFPA 13 standard.
This part does not apply to the construction of, alteration of or addition to a building or structure, if:
(a) the building or structure is a single-family or two-family residential dwelling;
(b) the total market value of the work authorized by the building permits issued in respect of the building or structure in any consecutive 36 month period, excluding the value of floor covering materials, does not exceed 30% of the most recent assessed value of the building or structure determined by the B.C. Assessment Authority;
(c) the alteration or addition is required for an occupant load not exceeding 60 persons.