(1) No person shall make any alteration or addition to an existing building or to any existing sewerage work unless and until plans have been submitted to, and approved by the local authority in terms of these by-laws for all and every part of the work involved in such alterations or additions.

(2) Notwithstanding the provisions of subsection(1), the local authority may issue a permit exempting a person from the need to submit plans of minor alterations or additions which-

a) are not likely to cost more than two hundred and fifty dollars; and

b) do not involve any work being carried out on any sewerage system.

(3) A permit issued in terms of subsection(2) shall specify-

a) the name of the applicant; and

b) the location of the site upon which the alterations or additions are to be effected; and

c) the nature of the alterations or additions which are permitted to be effected.

(4) No person shall construct any building or any portion thereof which is to be supported by any existing building or portion thereof, including foundations, unless the existing work is proved to have been constructed-

a) in accordance with the requirements of these by-laws

b) in such a manner that the local authority is satisfied, after an inspection of the existing work that such work presents no hazard to the health of persons who may use the building, and that work is sufficiently sound and stable to support the proposed additions or alterations.