30(53)
3.5 The Overhead Hoisting of the Unit
1) Propose plans of overhead hoisting before practise, including entering date
for each unit. Dimensions of appearance. Weight, path, reserved holes,
hanging and transporting device as well.
Items
Check points
Path
1. Check aisle, stair gate and transporting path.
2. Check roof, base room and hanging path.
Unload
1. Check the weight of the unit.
2. Prepare unload devices.
3. Check the temporary laying place and keep the unit clean.
Transporting
Transporting
1. If the large-scale machine can be decomposed, then
decompose it and transport each part respectively and then
combine them finally.
2. If the large-scale machine cannot be decomposed, then dig
hole in the wall or earth to transport it.
Path adjustment
Adjust with the wall,floor to facilitate transporting.
2) According to safety command, when hanging and transporting units, assign
special person to direct and there must be warning and precaution measures
to ensure safety of people and machines.
3) Use roller or J-hook to hanging and transporting units. Forbidden to directly
hit or attach rope at the friable parts such as copper pipe, valve body, control
box etc. The rope contacting parts of the unit should have protective pad as
showed in picture 3-5.
4) Take great care when transporting the unit to avoid the over wobbling or
crush which may cause damage to machine or bring harm to personnel and
construction.
