The heavy rigging class teaches the use of the grip hoist. The grip hoist can pull up to 4000 pounds and is used for moving logs, and large rocks, washed out bridges, pulling stumps, and for setting up a high line. The workshop explores grip hoist rigging and covers:
• Safety and PPE
• anchor points
• working load limits of gear and how to use design factor
• mechanical advantage
• safety concepts
• gear inspection
• what gear to use and how
Time: Four days. Generally two half days in the classroom with a slide show, then actual work on a trail for the rest of the time.
Facilities and site features needed: Classroom space and area with trees/rocks in which to work. PPE for the crew.
Class size: Up to twelve
Basic PPE required for rigging workshops:
• safety glasses
• sturdy work boots (steel toe preferred)
• work gloves with dexterity