Mieco Chipboard Plant No.3 – Padang Tengku

Industrial Plants

We have secured a heavy lifting project to lift and erect one (1) unit 7mØ x37m long dryer drum weighted 378mt at MIECO Chipboard plant No.3 in Padang Tengku, Pahang. Our scope of service includes initial stage of engineering consultancy, planning for the lifting, monitoring and managing all aspects of the lift to get the dryer drum onto 12 meters height foundation. We also supplied an experienced team, an extensive selection of lifting tackles and man basket to secure and release the lifting tackles.
We had earlier proposed to use multiply cranes lift method (two (2) units 300 Tons Truck Crane & two (2) units 150 Tons Crawler Crane) to carry out the job. However the working area for four (4) units crane was not made available due to the client would like to speed up their construction schedule and to construct the transformer room, and erect other equipment next to the dryer drum erection area which was supposed to hold until completion installation of the dryer drum.
Our engineering department was called in again to restudy the lifting method to design and construct a special “Lifting Frame” 7m width x 21m long with 400mt SWL to use a single crane to lift the dryer drum. This lifting frame was designed to prevent damages and bending force on the shell of the dryer drum during lifting.
Our later proposal was to use a 600 Tons Ringer Crane (Manitowoc 4600 S4 Ringer S3) with 180ft boom, 400 Tons ringer counterweight, 55 Tons standard counterweight to lift this dryer drum. This crane had to dismantle into pieces and sections which eventually required 80 loads of heavy low loaders and trailers to be transported from Teluk Ramunia, Johor and traveled 550 km on the road to the jobsite. The Ringer Crane foundation was prepared with R.C. pilling and crusher stone back filling and compaction where the crane was set up on top of timber mat.
Due to the space constraint, the crane had to be rigged up according to our rigging drawing in order to have the boom and tail swing clear away from all the surrounding objects. The crane can only swing 180 degrees. Once the crane rigged up, a final check had to be carried out by our supervisors and DOSH officers prior to the lifting of the dryer drum.
The dryer drum had to be lifted over 14 meters height column. During the lifting, we need to ensure the steel structural and hopper is spaced within the tolerance of not more that 300mm on each side. The project went smoothly in not more than one hour and the dryer drum was lifted and placed onto the 12 metres height foundation with the assistance of the rigging crews to align the final position of the dryer drum.
The contract took a huge amount of expertise, planning, design and preparation. The project is completed so well due to the excellent teamwork of all the concerned parties.
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