7 Colo. Code Regs. § 1101-9-7-3

Current through Register Vol. 47, No. 20, October 25, 2024

Section 7 CCR 1101-9-7-3 - Make-up Room Requirements

(A) Location of Make-up Rooms

(1) Make-up rooms shall not be located in buildings or structures that are at any time open to the public.

(B) Construction of Make-up Rooms

(1) The interior of the make-up room shall be finished and equipped to the following minimum standards:

(i) Walls shall be constructed of, or covered with, a non-sparking material. Nails or screws shall be countersunk, blind nailed or covered;

(ii) Floors shall be constructed of, or covered with, a non-sparking material;

(iii) The building and make-up room shall be well ventilated, and the ventilation system shall discharge to the outside from the make-up room;

(iv) The make-up table shall be constructed of non-sparking, nonconductive material; and

(v) The make-up table shall be located away from the area where explosives are kept before and after assembly.

(2) The building in which the make-up room is located shall be theft-resistant and secured by at least one steel padlock having at least 5 tumblers and a case hardened shackle at least 3/8-inch in diameter. The door shall have hinges and hasps attached so that they cannot be removed from the outside when in the closed position with the lock in place.

(C) Make-up Room Restrictions

(1) Heating units shall be explosion proof, dust-proof and not depend on a combustion process when properly designed and located. National Electric Code-rated explosion-proof and dust-proof heating units may be located inside make-up rooms.

(2) Temperature control devices must be sufficiently designed to prevent overheating of make-up rooms where explosives are stored.

(3) Lighting fixtures shall be National Electric Code explosion-proof rated fixtures and all wiring shall be in sealed conduit.

(4) Electric control switches shall be located outside the make-up room.

(5) Electrical outlet boxes are not permissible inside the make-up room.

(6) Smoking, matches, open flames or flame or spark producing devices shall not be permitted inside the make-up room.

(7) Flammable liquids or flammable compressed gases shall not be stored or had in the make-up room.

(8) Occupancy of the make-up room shall be restricted to authorized and trained personnel when explosives are present.

(9) A make-up room shall not be used for the unattended storage of armed charges.

(10) Explosives stored inside the make-up room must be stored in at least a Type 2 storage magazine suitable for indoor storage.

(D) Make-up Room Housekeeping

(1) The make-up room shall be kept clean and orderly.

(2) Metal tools shall not be used or stored in the make-up room.

(3) Brooms used in the make-up room shall be made of non-sparking materials.

(4) Sweepings and empty explosive material containers shall be disposed of as recommended by the manufacturer.

(5) The make-up room shall be cleaned and all explosives materials shall be removed before any repairs are made to the make-up room.

(6) The make-up table or bench shall be cleaned regularly and shall be kept free of any materials or tools not used in the assembly of the charges.

7 CCR 1101-9-7-3

38 CR 03, February 10, 2015, effective 3/10/2015

41 CR 21, November 10, 2018, effective 12/1/2018

42 CR 06, March 25, 2019, effective 5/1/2019