Specification
Page 10
ENGLISH
Werner Co. snap hooks and carabiners should NOT be
connected:
i. to a D-ring to which another connector is attached.
ii. in a manner that would result in a load on the gate. If the
connecting element that a snaphook or carabiner attaches
to is undersized or irregular in shape, a situation could occur
where the connecting element applies a force to the gate of
the snaphook or carabiner. This force may cause the gate
(of either a self-locking or a non-locking snaphook) to open,
allowing the snaphook or carabiner to disengage from the
connecting point.
NOTE: Large throat opening snap hooks should not be
connected to standard size D-rings or similar objects which
will result in a load on the gate if the hook or D-ring twists
or rotates. Large throat snap hooks are designed for use on
xed structural elements such as rebar or cross members
that are not shaped in a way that can capture the gate of
the hook.
iii. in a false engagement, where features that protrude from
the snap hook or carabiner catch on the anchor and without
visual conrmation seems to be fully engaged to the anchor
point.
iv. to each other.
v. directly to webbing or rope lanyard or tie-back (unless
the manufacturer’s instructions for both the lanyard and
connector specically allow such a connection).
vi. to any object which is shaped or dimensioned such that the
snap hook or carabiner will not close and lock, or that roll-
out could occur.
3. Do not pass the lanyard or lifeline through the roof anchor D-ring
and hook back into the lanyard or lifeline. When connecting,
make sure the connections are fully closed and locked.
4. When using an energy-absorbing lanyard, connect the energy
absorber “pack” end to the harness.
b. Anchorage Strength
Depending on the application, the anchorage to which the roof
anchor is installed must meet strengths as given below: