To support and withstand expected loads and forces.
Locking devices for telescopic bleachers.
This applies to
Sentence 188.8.131.52.(1) of Division A
to which Part 9 applies [see
Sentence 184.108.40.206.(1) of Division A
for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.
To limit the probability that loads generated by human activities will lead to structural failure, which could lead to harm to persons.