Page 177 - Urban Construction Project Management
P. 177

132    Chapter Six
         Exhibit 6-15
         Plan of hoist platform runaway.

                      1


                                                4
          2

          3


        2

                                                                  5


          1







                                                             Building










        1. Rack and Pinion Hoists
        2. Common Mast
        3. Common Platform
        4. Runaway to Building
        5. Tie Backs and Supports




                            in the building or for ground logistics reasons. In addition, sometimes a common plat-
                            form is utilized to allow several hoist assemblies to access one large platform struc-
                            ture adjacent to the building, thus allowing for more than two hoists in one location,
                            if required.


                            The hoist noted can accommodate as many as 40 people and can carry loads of up to
                            8000 pounds. In a hoist designed for carrying people, the operator typically rides in the
                            car, but in a machine that is not intended for personnel, this is not permitted. The car
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