On 24/05/2013,
you requested for the version in force on 24/05/2013
incorporating all amendments published on or before 24/05/2013.
The closest version currently available is that of 25/03/1992.
58. For every installation for a quantity not exceeding 1,363,800 litres the following rules shall apply:
(a)
except as provided in paragraph (e), every tank shall be at least 30 metres from any building used as a dwelling-house or from any building in which fire is used and shall be at least 9 metres from any other building irrespective of its use;
(b)
not more than 3 horizontal or vertical tanks shall be installed in any one group. The distance separating any two tanks both of which are entirely buried beneath the level of the ground or covered with at least 0.6 metre of earth shall be not less than 0.6 metre; the distance separating any other two tanks in one group shall be not less than the diameter of the larger of two adjacent tanks. Each such tank shall be at least 7.5 metres from the boundary of the installation;
(c)
every tank shall be cylindrical in shape and placed on a firm foundation. No horizontal tank shall exceed 136,380 litres capacity and the total capacity of any group of horizontal tanks shall not exceed 409,140 litres; there shall be a minimum distance of 7.5 metres between any two horizontal tanks which are not in the same group. Vertical tanks shall not exceed 7.8 metres in height or 11 metres in diameter;
(d)
except in the cases mentioned in paragraph (e) every tank or group of tanks shall be surrounded by a bund of such dimensions and substantial construction that the total quantity plus 10% of dangerous petroleum contained in the tank or tanks could be altogether contained in the enclosure formed by such bund (referred to in this paragraph and in rule 60 as the bunded area) and could not escape therefrom in the form of liquid whether under the action of fire or otherwise and the bunded area so far as not occupied by the tank or tanks must be kept entirely free and unoccupied. The bund may be constructed of earthen banks with a core of puddled clay or of reinforced concrete and must be so constructed as to withstand any pressure to which it may be subjected from interior or exterior flooding;
(e)
provided that —
(i)
if a tank is entirely buried beneath the level of the ground or covered by at least 0.6 metre of earth such tank shall be not less than 9 metres from any building; and
(ii)
paragraphs (a) and (d) shall not apply to tanks buried beneath the level of the ground, and paragraph (a) shall not apply to tanks covered with at least 0.6 metre of earth; and
(f)
within the undermentioned distances, that is to say —
(i)
within 9 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
(ii)
within 30 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.