Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 14 - CONVEYORS
SPECIFIC CONVEYORS
Section R. 408.11447 - Pneumatic conveyors
Current through Vol. 24-16, September 15, 2024
Rule 1447.
(1) A pneumatic conveyor shall be designed so that doors to pressure vessels cannot be opened when there is a positive internal pressure.
(2) A gasket holding line pressures shall be shielded to prevent a gasket leak from projecting the conveyed material into a work area if the material would cause a hazard.
(3) A receiver or storage bin shall be equipped with full bin indicators or controls to prevent overfilling, if overfilling will create a hazard.
(4) A pneumatic conveyor carrying oxidizable materials shall be designed for hazards, such as but not limited to explosion, fire or corrosion.
(5) A pneumatic conveyor serving an area containing contaminated air shall be designed so that the contaminated air cannot be transported to another area.