12. Restriction on unauthorised persons, provision of guards and safety distance for storehouse.
(1)The licence holder shall at his own expense provide security guards for safe custody of Ammonium Nitrate stored in a storehouse.(2)For the purposes of sub-rule (1), the security guards shall be of such strength as the District Authority may consider it to be sufficient.(3)The premises used for manufacture of the Ammonium Nitrate or conversion of the melt into solid form of Ammonium Nitrate or vice versa and the storehouse shall be surrounded by a wall of at least two metres height of such strength and construction as to effectively prevent entry of unauthorised persons.(4)(a)The Ammonium Nitrate storehouse shall maintain;(i)for storage not exceeding 30 MT, Safety Distance of 4.5 metres from store house to the compound wall and 45 metres from any protected works;(ii)for storage exceeding 30 MT, Safety Distance of 9 metres from store house to the compound wall and 90 metres from any protected works;(b)the storehouse may be adjacent to the bagging unit of the manufacturing, conversion or explosives or nitrous oxide manufacturing plants, but shall observe the provisions of clauses (i) and (ii) of sub-rule (a) of rule 4.Note: The safety distance shall be measured from the edge of the storehouse.(5)(a)The storehouse shall be;(i)constructed at ground level without any mezzanine floor, upper floor or any basement;(ii)with the floor (plinth) level not less than forty five centimetres from the ground level and well ventilated;(iii)with at least 23 centimetres thick walls built of brick or stone mortar, or concrete and with roof of RCC or Asbestos or Fibre or GI sheet;(iv)with sufficient numbers of doors made of steel of minimum three millimetres thick and opening outwards;(b)Notwithstanding anything contained in sub-clause (iii) storehouse of stevedore may be a shed without side walls.(6)Any storehouse used for possession for sale or possession for use of Ammonium Nitrate shall have a floor area not less than one square metre per Metric Tonne of Ammonium Nitrate and the storehouse total holding capacity shall not exceed 5000 MT storage:Provided that one stack of bagged Ammonium Nitrate shall not exceed 200 MT and a minimum clearance of two metres shall be maintained between the adjacent stacks and at least 0.6 metre wide gangway shall be maintained between the stacks and the walls of the storehouse.Provided further that the maximum stack height shall not exceed 2.5 metres from the floor level and the same shall be prominently marked on the walls of the storehouse.(7)The storehouse shall be protected against lightning as per IS 2309.(8)The storage tank meant for storage of Ammonium Nitrate melt shall be-(i)constructed of stainless steel or any other compatible material according to sound engineering practice conforming to a national or international code accepted by the Chief Controller and adequately insulated and supported so as to ensure safety and stability during loading and unloading of Ammonium Nitrate melt into or from such storage tank;(ii)with a secondary containment in the form of dyke enclosure made of cement concrete and its holding capacity shall not be less than the capacity of the largest tank situated within such enclosure;(iii)observing Safety Distance of 4.5 metres within the compound wall and plant facilities and 45 metres from any protected works;(iv)with single storage tank capacity not exceeding 200MT; and(v)provided with a suitable hard stand adjacent to it for loading and unloading and such a hard stand shall be located so that its centre maintains a minimum safety distance of 4.5 metres all around.
