Ala. Admin. Code r. 480-3-4-.15

Current through Register Vol. 43, No. 1, October 31, 2024
Section 480-3-4-.15 - Explosive Magazines
(1) All magazines in which explosives are kept or stored shall be located at a distance from buildings, railroads and highways in conformity with the Quantity and Distance Table in these rules.
(2) All magazines containing more than two hundred (200) pounds of explosives shall either be barricaded on the distances from inhabited buildings, public railways and public highways shall be doubled.
(3) The term "barricade" shall mean a physical barrier, either natural or artificial, around the magazine, to protect life and limb in buildings and on highways, railroads and railways from damage by premature explosion.
(a) Methods of barricading are as follows:
1. Locate the magazine in an isolated ravine or;
2. Excavate at foot or side of hill sufficiently deep to provide protection on the sides and end of the magazine. A two (2) foot space shall be allowed between the magazine and the excavated sides; or
3. Construct a substantial barricade of concrete or timber or earth or stone bank.
(4) All explosive magazines shall be well ventilated, constructed of substantial materials, and approved by the Department.
(5) The magazine shall be located in an isolated place. A damp location shall be avoided. All drain ditches around the magazine must be kept open at all times.
(6) The size of the magazine depends upon the amount of explosives to be stored. The dimensions given in the following table are suitable for the amounts indicated.

DIMENSIONS

Quanity Width Length

1,000 lbs 6 feet 6 feet

2,000 lbs 6 feet 7 feet

5,000 lbs 8 feet 9 feet

10,000 lbs 10 feet 12 feet

16,000 lbs 12 feet 14 feet

20,000 lbs 12 feet 16 feet

25,000 lbs 12 feet 18 feet

30,000 lbs 12 feet 20 feet

40,000 lbs 14 feet 22 feet

50,000 lbs 14 feet 24 feet

(7) Danger Sign
(a) Magazines must be designated by conspicuously posted signs with the words "Magazine," "Explosives," "Dangerous," legibly printed thereon. Such signs shall be so placed that a bullet passing through the sign will not enter the magazine.
(8) Lighting
(a) Where magazines are artificially lighted, the light wiring shall be in conduit from a point not less than twenty (20) feet outside the magazine. The light switch shall be outside the magazine and the lamps shall be enclosed in a vapor proof globe protected by a rigid wire guard.
(9) High explosives shall not be stored in the same magazine with black powder or any other explosive.
(10) Separate Detonator Storage
(a) Blasting caps and electric blasting caps shall not be stored in the same magazine with dynamite or powder, but shall be stored in a magazine of similar construction as the dynamite or powder magazines, and not nearer than fifty feet (50') to any other explosive magazine.
(11) All magazines constructed after the effective date of the rules shall be constructed in accordance with the requirements of this Rule 15. The existing magazines which do not conform to such requirements may be continued in use unless found by the Department to be unsafe.

Author: Department of Industrial Relations

Ala. Admin. Code r. 480-3-4-.15

Prior to October 1, 1982, this regulation was designated as General Rule 15.

Statutory Authority:Code of Ala. 1975, § 25-2-2(3)