Anchors

Objectives

Procedures for the safe construction and use of single point and multi-point anchor systems.

Bomb Proof Anchors

Anchors are the Foundation of the System

So…

KEEP ANCHOR ANGLES UNDER 90o

Always Back Up Your Anchors

Primary anchor

Backup anchor– Separate strap if same anchor

Do Not Use Many Poor Anchors Trying to Make One Good One!

Some Good Anchor Choices

Steel beamBulk concreteWindow cleaner boltsStairwell support beamsElevator and machine housings

Some Poor Anchor Choices

Insulated pipesHandrailsCast iron pipeBrickwork without bulkGuy wire eye boltsPeople (FDNY)

Using Vehicles as Anchors

Set parking brakeChock the wheelsRemove keys from ignitionTransmission in parkAnchor to structural componentsTurn siren, etc on if vehicle is turned on

Single Loop

Lark’s Foot

3 – Bight

Multi – Loop

4:1 Tensionless Wrap

Self – Equalizing Anchors

Load Equalizing

Load Sharing Anchors

Change of Directions

Loss of an Anchor

Be aware of Three Directional Pulls on Carabineers

Anchor Plates