8/17/2019 DWall Cage Lifting Plan
13/13
LIC STATION
Verification of load on main and support crane ropes during
tandem lift of cage
cage weight (max.) 8.5 tons
cage length 12.0 m
Distance of lifting point of support crane to cage top 9.0 m
The cage weight will be distributed on both cranes as a beam
supported
on 2 reaction points (the2 lifting points at cage top and at
9.0m from cage top
Accordingly, the cage weight supported by each crane will
be:
Weight of cage supported by main crane 2.8 tons
Weight of cage supported by support crane 5.7 tons
Main crane hook + lifting beam & lifting accessories weight
2.5 tons
Support crane hook + lifting accessories weight 2.0 tons
Total load on rope of main crane 5.3 tons
Total load on rope of support crane 7.7 tons
Verifi cation of load on main crane ropes during sigle crane
lift of one part of the cage
cage weight (max.) 8.5 tons
Weight of cage supported by main crane 8.5 tons
Main crane hook + lifting beam & lifting accessories weight
2.5 tons
Total load on rope of main crane 11.0 tons
Verification of load on main crane ropes during sigle crane lift
of both parts of the cage
cage weight (max.) 17.0 tons
Weight of cage supported by main crane 17.0 tonsMain crane hook
+ lifting beam & lifting accessories weight 2.5 tons
Total load on rope of main crane 19.5 tons
Verification of main crane toppling during s igle crane lift of
both parts of the cage
cage weight (max.) 17.0 tons
Weight of cage supported by main crane 17.0 tons
Main crane hook + lifting beam & lifting accessories weight
2.5 tons
Total load on rope of main crane 19.5 tons
Lifting radius 10.0 m
Crane safe working load at this radius 19.86 tonsSafety
factor 1.02 >1.0 , safe
