PDFWAC 296-307-455
Additional requirements for dip tanks using flammable or combustible liquids.
Summary.
IMPORTANT:
This section applies to:
1. Flammable and combustible liquids (flashpoint below 200°F).
2. Liquids that have a flashpoint of 200°F (93.3°C) or higher if:
a. Heat the liquid;
b. Dip a heated object in the tank.
Employer responsibility:
Safeguard employees working with dip tanks containing flammable or combustible liquids.
The employer must meet the requirements… | in this section: |
CONSTRUCTION | |
Additional safeguards when constructing dip tanks. | WAC 296-307-45505 |
Provide overflow pipes. | WAC 296-307-45510 |
Provide bottom drains. | WAC 296-307-45515 |
FIRE PROTECTION | |
Fire protection in the vapor area. | WAC 296-307-45520 |
Additional fire protection for large dip tanks. | WAC 296-307-45525 |
ELECTRICAL WIRING AND EQUIPMENT AND SOURCES OF IGNITION | |
Prevention of static electricity sparks or arcs when adding liquids to a dip tank. | WAC 296-307-45535 |
Control ignition sources. | WAC 296-307-45540 |
Provide safe wiring and electrical equipment where the liquid can drip or splash. | WAC 296-307-45545 |
HOUSEKEEPING | |
Keep the area around dip tanks clear of combustible material and properly dispose of waste. | WAC 296-307-45550 |
HEATING LIQUID | |
Make sure heating the liquid in dip tanks does not cause a fire. | WAC 296-307-45555 |
HEAT DRYING | |
Make sure a heating system used for drying objects does not cause a fire. | WAC 296-307-45560 |
CONVEYORS | |
Make sure the conveyor system for dip tanks is safe. | WAC 296-307-45565 |