During the construction, enlargement, repair, alteration, or removal of any dam or reservoir the department shall make continuous or periodical inspections at state expense for the purpose of securing conformity with the approved plans and specifications but shall require the owner to perform at his expense such work or tests as necessary to disclose information sufficient to enable the department to determine that conformity with the approved plans and specifications is being secured.

(Amended by Stats. 1965, Ch. 1225.)