Manitowak - hoisting of prefabricated components
a unit composed of 10 Botan MCT 385 cranes is working on a large housing development project in Singapore. Their lifting capacity and compact support area are really different
with the increasing popularity of prefabricated structure buildings in the world, the efficiency of this construction method is becoming higher and higher. A project under way in Singapore can be regarded as a model of the progress of prefabrication construction technology
in senbawang, 10 Botan MCT 385 cranes are participating in the construction of 700 apartments in the housing and development board (HDB) project. Although the HDB of the Singapore government has been using prefabrication since the 1980s, this project is different. It is the first project to use an integral bathroom
for the contractor, the biggest challenge facing the project is to find a tower crane that can lift the largest prefabricated component. The initial weight of the component with integral bathroom, including the fixings and joints, is 17T, and the crane should be able to lift this component to the narrow construction site
Huei Teck low, senior project manager of the Singapore company, introduced the difficulties of Construction:
"We searched all over the place. The maximum lifting capacity of most cranes is only 16t, and there is no lifting table we need to lift the bathroom." He said. "We started the oil pump for the crane supplier Manta Equipment Co., Ltd. and the company recommended a 20t Botan MCT 385. After looking at the actual use of the crane, we confirmed that this is the crane suitable for our project."
• 10 MCT 385 cranes in Manitoba kapotan used the new precast construction method to build 700 apartments in Singapore
• the contractor needs a tower crane that can lift 7T components with broken spring or too small elastic force on 1 piston and can install them on a narrow construction site
Manta's Singapore office, headquartered in Hong Kong, leased 10 cranes to the contractor of the project, and the lifting capacity of each crane exceeded the lifting capacity required to lift the bathroom. Through the redesign, the weight of the overall bathroom has gradually decreased to 12t, which is much lower than the maximum lifting capacity of the crane. However, the narrow working area on the construction site is still a challenge
low said: "as the construction area is close to other buildings, the cranes arranged on the HDB development project are subject to considerable restrictions. We also need to consider the 6m wide lane and 2m wide boundary."
the construction contracting company has equipped the crane with a shorter boom from 25m to 35m in length to avoid turning over the surrounding buildings (the maximum boom length of MCT 385 can reach 75m). MCT 385 started at a height of 35m and gradually climbed to the highest with the rise of buildings. It was monopolized by international giants such as Henkel, Dow Corning and 3M for a long time
in addition to prefabricated components and integral bathroom, the heavy loads to be lifted by crane include elevator wall and stair wall. The weight of these components ranges from 5T to 6T
during the construction of the project, the crane will lift about 35000 loads for 700 apartments in the complex. The contracting company is expected to complete the project by the end of 2016. (article from manitowak)