Introduction to Bar Grating:
Installation
General Recommendations for Grating Installation
- Grating must be installed with cross rods on top side to achieve strength specifications provided.
- Metal should be used for all grating supports.
- A minimum of 1” bearing shall be provided for bearing bar depths up to 2-1/4”; 2” minimum bearing shall be provided for bearing bar depths of 2-1/2” or greater.
- Clearances shown are recommended, but may vary in accordance with dimensional tolerances
- Cutouts for circular obstructions are recommended to be at least 2 inches larger in diameter than the obstruction. It is further recommended that cutouts for all piping 4 inches or less in diameter be made in the field.
- Heavy Duty Grating must be designed to have structural support under each bearing bar at cutouts.
