Prusik loop
8mm
3000 lbs
Wrap 3 prusik hitch will slip at 1000 lbs
Rope
1/2” static kernmantle
9000 lbs
Webbing
1” tubular
4000 lbs
5’ - green
12’ - yellow
15’ - blue
20’ - orange
Do not leave tied
LRD
1 3/4” flat webbing
55” long
18,000 lbs (2,000 lbs end to end)
Commercial harness
Class I - belt
Class II - pelvic (belt and legs)
Class III - pelvic and chest (6000 lbs)
-prevents falling if inverted
Stokes Pre-Rig
10’ rope
8s on a bight or double overhand on a bight
Pick off strap
1 3/4” flat webbing with triangle buckle
Up to 55” long
8,000 lbs
“V to Victim”
Triangle buckle slips at 3500 lbs
Carabiner
9000 lbs
Spine, gate, hinge, lock
- must axial load
- cannot multi point or side load
Friction devices
Brake bar rack
-5000 lbs
Eight plate with ears
-5000 lbs
Out if service when diameter worn down 15%
Pulley
10,000 lbs
Strongest @ 180 degrees
Gibbs Ascender
Bites into rope
- directional
5,000 lbs
Can damage rope @ 3000 lbs
Not to be used as friction device or safety
Anchor Plate
11,000 lbs
Stokes basket
Stokes pre-rig
3 orange
2 green
1 carabiner
Anchors
“Bomb proof” @ 5000 lbs
Natural
Structural
Vehicular (chocked, keys out)
Open vs closed
Anchor strap
1 3/4” flat webbing
12,000 lbs - basket
6,000 lbs - choker
MPD
10,000 lbs - pulley
5,000 lbs - descent control
7,500 lbs - becket
Breaking & Breaching
1. Stitching •draw oval •30 holes •mark rebar •cut rebar, other side cut in half and break
- Circ saw vertical
•draw shape first
•triangle c tic-tac-toe
•should provide enough relief to break
3. Clean breach •trough with crossed corners •dice •pop up the squares •expose rebar and complete cut
