Minimum distances to be observed when making developments

(1) For residential developments, no part of the building, except the roof or part thereof, shall be less than six feet from any boundary. The roof may be a minimum distance of four feet from the boundary. (2) For commercial/institutional developments, no part of the building, except the roof, or part thereof, shall be less than ten feet from any boundary. The roof may be a minimum distance of eight feet from such boundary. (3) For industrial developments, no part of the building, other than the roof, shall be less than twelve feet from any boundary. The roof may be a minimum distance of ten feet from such boundary.