Why do you have to turn off cell phone in blasting zone?

Why do you have to turn off cell phone in blasting zone?

MUTCD Compliant Blasting Sign: Turn Off 2-Way Radio And Cell Phone (X-W22-2) In a blasting zone, radios and cell phones can interfere with the workers’ airwaves and compromise the blasting activity.

What does a blasting zone sign mean?

The BLASTING ZONE AHEAD (W22-1) is used in advance of any temporary traffic control zone where explosives are being used. This sign is a diamond shape with a black legend and border on an orange background.

What does blasting zone mean on the highway?

Blasting Zone means any area within the operation that is designated in writing by the operator to the Department as being the area within which blasting operations will be conducted.

What does blasting zone mean in Kentucky?

Definition of blast zone : a region or area where a destructive explosion or detonation has occurred Today, Spirit Lake lies at the heart of the blast zone—the 230 square miles of forest that were buried, drowned, or scorched by the volcano.—

What does blasting area mean?

“Blast area” – The area in which explosives loading and blasting operations are being conducted. “Block holing” – The breaking of boulders by firing a charge of explosives that has been loaded in a drill hole.

What do you understand by blasting?

blasting, process of reducing a solid body, such as rock, to fragments by using an explosive. Conventional blasting operations include (1) drilling holes, (2) placing a charge and detonator in each hole, (3) detonating the charge, and (4) clearing away the broken material.

Why do intersections sign?

Intersection signs let drivers know what lies ahead. Whether it is a merger or a traffic light, post signs to keep drivers aware of what is coming ahead. Whatever the road, we have a sign for it.

What means soft shoulder?

On a busy road, the soft shoulder is an unpaved area at the side of the road where vehicles are allowed to stop in an emergency.

What is blast area?

Blast area means the area in which concussion (shock wave), flying material, or gases from an explosion may cause injury to persons.

What is construction blasting?

Blasting technology is an essential part of the construction process to perform structural engineering activities. Blasting is the process of cracking rock material by using a small amount of explosive substance so that the rock is destroyed into several pieces.

What is misfire in blasting?

INTRODUCTION – Misfire means the complete or partial failure of a blasting charge to explode as planned. In any of these circumstances there may be a risk of danger to the operator or to the public, particularly from fly-rock in the event of a detonation. Unexploded charges may need to be recovered by hand.