Harken 2234 Bosun's Chair User Manual
Page 10
10
Bosun's Chair — Industrial
03/11/13
INDUSTRIAL
System Requirements
When bosun's chair is used in conjunction with fall-arrest system it must be
certified by the country where the product will be used.
Bosun's chair is only a working platform. It must be attached to a secondary
support system which meets the industrial safety standards of the country where
the product will be used.
Fall-arrest system must consist of a full-body harness worn as the main body-
holding device. It must be connected to a shock-absorbing lanyard and approved
anchor device.
Connectors (hooks, carabiners, and D-rings) must be capable of supporting loads
specified by the industrial standards of the country where the product will be used.
If using other anchor devices or anchor points, ensure they are certified to EN795
standards, and are positioned as closely as possible to directly overhead. Non-
certified anchor points may look secure however they may be cracked, rotten,
or corroded, or their fastening method may not be secure, especially if device
was designed for other purposes.
WARNING! Noncertified anchor points may give way suddenly
leading to a fall, possibly resulting in serious injury or death.
Use only certified anchor points.
Inspect all connections and fasteners to make sure they are secure. Especially
pay attention to screw-pin fasteners.
Use
Shock Load
If bosun's chair has been subjected to a shock load, chair must be removed from service immediately and
destroyed by user or an authorized person.
When using this equipment, employer must be trained and have a rescue plan and means to implement it.
The plan must communicated to users, authorized persons, and rescuers.
Suspension Trauma
Make sure plan includes training to treat victim suffering from suspension trauma and reflow syndrome.
WARNING! Rescued worker may appear fine after being lowered. However, failure to properly treat
victim after an arrest from even a relatively short fall can lead to reflow syndrome and death. Research
and follow first aid practices for suspension trauma.
WARNING! A chair that has been subject to a shock load can be severely weakened and subject to
further deterioration through normal use. Do not use the chair after a shock load. Failure to replace
such a chair may result in chair breaking, leading to a fall.
Rescue
Standards
This equipment has been tested to European standard — EN813:2008.
WARNING! If screw-pin fastener loosens, connection can let go,
leading to a fall. Always inspect and secure all connecting fasteners.
Inspect