Regulation 59

every tank shall be at least 36 metres from any building used as a dwelling-house or other building in which fire is used, and at least 12 metres from any building irrespective of its use;

every tank shall be cylindrical in shape and placed on a firm foundation. Horizontal tanks shall not exceed 136,380 litres capacity and vertical tanks shall not exceed 7.8 metres in height and 11 metres in diameter;

the distance separating any two tanks in one group and the distance from the boundary of the installation shall be as provided in rule 58(b);

every tank or group of tanks shall be surrounded by a bund of the dimensions and construction provided in rule 58(d); and

within the undermentioned distances, that is to say —

within 12 metres of any tank, used for the storage of dangerous petroleum, which is entirely buried beneath the level of the ground or covered with at least 0.6 metre of earth; or

within 36 metres of any other tank or of any building used for the storage of dangerous petroleum,no person shall use a naked light and all electric wiring must be carried in strong metal tubing with screwed joints and must be suitably earthed, all switches and fuses being placed in positions approved by the Director.