Regulation 145—Plans to be approved(1) A person shall not construct or engage another person to construct a surface magazine unless that person has submitted detailed plans, specifications and site plans of the magazine including the fencing required by regulation 152 to the Commission for approval.(2) The approval shall be obtained on application to the Commission. (3) The application shall be in writing and in the form determined by the Commission and be accompanied with(a) a statement that specifies the types of explosives and the quantity of each type of explosive to be stored in the magazine, and the residential address of the proposed site of the explosives magazine;(b) four copies of a plan drawn to a scale of 1:500, 1:1000, 1:2000, 1:2500 or 1:5000, according to the size of the property, that shows(i) the site of the proposed explosives magazine and fence in relation to neighbouring roads, including the access road to the explosives magazine, (ii) railways, buildings and boundaries of properties, and(iii) the contour of the land on which the explosives magazine is to be erected and that indicates, with the site as centre, circles, with radii proportionate to the safety distances established under regulation 86;(c) a plan in triplicate, drawn to a scale of 1:25 or 1:50 or 1:100, that shows the design and specifications of the proposed explosives magazine and mounds and a layout plan of the proposed explosives magazine showing the distances between magazines as well as between the magazines and the fence, as specified in regulation 152.(4) The Commission shall grant the application within thirty days after the submission of the application, if the Commission is satisfied that the applicant has satisfied the requirements for the approval.(5) Where the application is granted, one set of endorsed plans shall be returned to the applicant and the building of the explosives magazines and mound shall not be commenced by the applicant until the endorsed plans have been received by the applicant.(6) The approval for the construction of an explosives magazine lapses if the construction of the explosives magazine is not commenced within three months after the date of approval of the construction plan, but the approval may on application be extended by the Chief Inspector in writing, for a further period of three months.(7) The application for extension shall be made not later than thirty days before the expiry date and the applicant shall inform the Chief the Inspector of any changes to the original application and plans.(8) Where an explosives magazine is erected in the vicinity of a power line, the explosives magazine shall be separated from the power line by a horizontal distance of not less than one hundred metres.(9) Modifications or extensions to an existing magazine shall only take place after prior approval of the Chief Inspector has been obtained.(10) For the purpose of this regulation the distance between two buildings used as magazines(a) is the shortest distance between the nearest walls of the buildings, whether mounded or unmounded; or(b) where the mound is an integral part of the building, is the distance from the inner wall of one building to the inner wall of the other building.