Safety precautions when operating concrete mixing units (1985)

Photos of concrete mixing plant equipment.

Sign on the door of the chief engineer.

An employee brings photos of the equipment and personnel working on it to the chief engineer.

The chief engineer examines the photos.

Occupational safety standards system.

Concrete mixing plant (CMP) control panel.

The motor operator controls the CMP operation.

External inspection of the main units and assemblies before starting work.

Unit control cabinet.

Cabinet grounding.

Checking the electric motor guard.

Electric motor grounding.

The serviceability of the limit switch of the cover, armor and blade of the concrete-mortar mixer, color and sound alarm are checked.

Checking the concrete mixer or mixer at idle.

The motor operator stands on a dielectric rubber mat.

Rules of conduct for a motor operator.

Conveyors in the CMP area.

Passages for safe maintenance of the conveyor.

Walkway over the conveyor.

Photos of conveyor units.

Installing the conveyor guard.

Stopping the conveyor with a trip cable.

Emergency buttons for stopping the conveyor.

Explanatory signs.

Two-way pre-start warning signaling.

Sequentially operating conveyors.

Requirements for special clothing for BSU workers are demonstrated.

Inspection of conveyors.

Turning on the conveyor system.

Loading the conveyor.

Prohibited actions during conveyor operation are demonstrated.

Conveyor stop.

Concrete distribution section.

Concrete distributor control panel.

Photos of repair work at the BSU. Safety regulations.

Order on the appointment of persons responsible for carrying out repair work at the concrete mixing plant.

Project for the production of work on the repair of a concrete mixer.

Issuance of a work permit for the performance of repair work.

The responsible foreman instructs the repairmen.

Checking the equipment of the workers and their tools.

The workers sign the work permit.

The workers at the concrete mixing plant are warned about the repair and warning signs are installed.

Actions are demonstrated before the start of repair work.

The responsible foreman observes the actions of the workers.

Photos from the repair work.

Acceptance of the repaired concrete mixing plant.

Test run.

Warehouse of inert materials.

The repair team in the warehouse.

Checking the special clothing of the team members.

Photos of the concrete mixing plant units and the workers working on them and carrying out repairs.