Tower cranes—Additional inspection criteria.
(1) In addition to the requirements in WAC
296-155-53405, the following additional items must be included:
(a) Tower (mast) bolts and other structural bolts (for loose or dislodged condition) from the base of the tower crane up or, if the crane is tied to or braced by the structure, those above the upper-most brace support.
(b) The upper-most tie-in, braces, floor supports and floor wedges where the tower crane is supported by the structure, for loose or dislodged components.
(2) Annual. In addition to the items that must be inspected under WAC
296-155-53405(5), all turntable and tower bolts must be inspected for proper condition and torque.