7 Colo. Code Regs. § 1101-9-6-5

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

Section 7 CCR 1101-9-6-5 - Non-electric Initiation of Blasts

(A) Blasters shall be familiar with and follow the manufacturer's warnings and instructions, especially hook-up and safety precautions.

(B) Operations shall be discontinued during the approach and progress of electrical storms.

(C) Non-electric leads shall not be held during firing.

(D) Primary initiators shall not be attached to the round or shot until after all the connections have been made and the blasting area has been cleared.

(E) Non-electric delay connectors shall not be exposed to excessive impact, friction, flame, electrical discharge, static electricity or lightning.

(F) Delay detonators shall not be disassembled from the plastic connector block, nor shall the delay detonators be used without the block.

(G) Shock tube connections shall be at right angles to detonating cord.

(H) Connections with other initiation devices shall be secured in a manner that provides for uninterrupted propagation.

(I) Factory made units shall be used as assembled and shall not be cut except that a single splice is permitted on the lead-in trunkline during dry conditions.

(J) No tool shall be used to pry on any component containing a detonator, nor shall any tool be used to open, fasten or clean out any connector containing a detonating device.

(K) Care shall be taken to ensure that a vehicle is not driven over the tubing, connectors or any surface delay component.

(L) In multiple row blasts, the initiation system shall not be connected from row to row until all drilling and loading has been completed. In single row blasts, the components shall not be connected from hole to hole until all drilling and loading has been completed.

(M) A safety line consisting of trunkline or other non-electric tubing shall be connected to the last hole in each row and shall extend beyond the area of cover in a covered or matted blast and shall be used to check for complete detonation of each row.

(N) Before firing the shot, the blaster shall visually inspect and verify that all connections in the initiation system are made in accordance with the manufacturer's recommendations.

7 CCR 1101-9-6-5

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