Section 43F. The department of environmental protection shall have supervisory control over the erection of any such community mausoleum and shall enforce compliance with the approved plans and specifications therefor. Said department shall appoint an inspector, experienced in modern mausoleum construction and engineering science, to supervise the erection of any such mausoleum and said department shall determine the reasonable amount of compensation of said inspector, which compensation shall be paid by the cemetery association or other agency erecting such community mausoleum. No departure from the original plans and specifications shall be permitted, except upon approval of said department evidenced in like manner and form as the approval of the original plans and specifications.