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“Kent” style Chock Interpretations

Effective Date: 
January 15, 2010

B. Runner Plank

1/15/2010
When the use of the reinforcement bar or stiffening element
that is associated with the “Kent” style chock does not comply with
interpretations I. Fittings dated 1/15/2010, and E. Runners dated 1/15/2010,
the bar will be considered part of the chock and must comply with the
materials as specified in I. 13. and will be included as hardware in determining
the overall length of the runner plank as specified in B.1.

I. Fittings

1/15/2010
The reinforcement bar or stiffening element that is associated
with the “Kent” style chock is allowed to be attached only to the runner and
must meet all requirements of a runner stiffener. Reference Specifications
E. 1.e; E. 1.f.; E. 4; and Interpretations E. Runners, 11/14/89; E. Runners
7/1/92; E. Runners 1/15/2010.

E. Runners

1/1/5/2010
The reinforcement bar or stiffening element that is associated
with the “Kent” style chock is part of the runner and must meet all
requirements of a runner stiffener, Reference Specifications E.1.e; E.1.f; E.4;
Interpretations B. Runner Plank, 1/15/2010; E. Runners, 11/14/89, 7/1/92,1/15/2010, and I. Fittings, 1/15/2010.
1/15/2010
All runner stiffening elements are considered part of the runner
and are included in the runner weight. Reference specification E.6
1/15/2010
The specification making optional the method of attachment of
stiffening elements to plate runners, Specification, E.1.f. also applies to the
method of attachment of stiffening elements in wood body runners.
Attachment is defined as a physical connection that firmly adheres the
stiffening element to the runner such that when the chock pivot bolt is
removed the stiffening element remains physically connected to the runner.
Reference Interpretation 7/1/92.
1/15/2010
At all times while in use the bar or stiffening element that is
associated with the “Kent” style chock must be attached to the runner. Any
movement of the bar or stiffening element shall be independent of and not
controlled by the movement of the chock pivot bolt.