Page 34 - CO January 2022

LEAD STORY CRANES - TOWER & MOBILE

projects. The crawler crane segment is expected to register the and crane’s efficiency.
highest volume-based CAGR of 7.3% from 2020 to 2027. Crawler
cranes are compact and offer ease of accessibility required in Tower Cranes
small construction sites, especially in urban areas. Crawler cranes Surge in urbanization, exceptional stability offered by tower cranes,
are considered the most powerful cranes for use in different and rise in investment on renewable energy development fuel
projects involving heavy industrial materials and other large-scale the growth of the global tower crane market. Based on type, the
construction activities. Nevertheless, crawler cranes and trailer- hammer head segment held the major share in 2020. According
mounted cranes accounted for a smaller share in the market to an Allied Market Research report, the global tower crane market
as compared to truck-mounted cranes owing to their limited was pegged at $6.68 billion in 2020 and is estimated to hit $9.90
operational capabilities. billion by 2028, registering a CAGR of 4.8% from 2021 to 2028.
Autonomous and automated crane systems allow remote access Tower cranes are utilized for lifting and handling goods and
to the machines that operate without human drivers. With the materials. They are powerful equipment and can easily surpass
utilization of artificial intelligence and connectivity sensors, mobile lifting capabilities of any other type of crane. In addition, it offers
cranes can be monitored from remote operating sensors. This extremely high lifting capability and offers peak efficiency, stability,
eliminates the chances of human errors by providing real-time and precision. Moreover, tower cranes are widely utilized in the
information regarding, boom angle, load weight, horizontal reach, construction industry, owing to the high demand for material
handling on elevated levels. However, they also find applications
Liebherr Patented VarioBase® (Variable in construction of structures such as dams, bridges, industries,
Outrigger extension) System: VarioBase® power generation plants, and others. Further, tower cranes were
means the maximum load capacity is first introduced by the company Liebherr-International Deutschland
calculated directly in the crane control. GmbH, headquartered in Germany in 1949, and witness a high
Thereby the crane control considers the
current working position of the crane. demand in the global tower crane construction industry.
It helps to consider unequal extended Tower cranes are mostly static in nature and thus, offer a stable and
outrigger beams, e.g. at constricted job safe operating platform for lifting of heavy material. In addition, this
sites and provides higher load capacities also improves the efficiency of lifting in congested urban areas
and lager working areas. VarioBase ® where the movement of lifting equipment is restrained due to the
calculates for each job situation the
maximum load capacity and makes crane closely spaced building. Tower cranes are efficient for operations
jobs more secure. VarioBase shall have the capability to work in rough and uneven terrains owing to the fixed foundation
on outrigger with extension of individual outrigger to the extent of these cranes. The fixed nature of tower cranes improves the
of available space without any step (continuous). Individual stability offered by the equipment thereby, making them efficient in
outrigger extendable arbitrarily to each other. The Crane construction of bridges, railway lines, dams, and others. In addition,
system is able to calculate the relevant capacity according to
each arbitrary outrigger position, which should be displayed in tower cranes are also helpful in lifting prefabricated components
the operator cabin. of bridges and other infrastructural structures, which is expected to
SUBHAJIT CHANDRA, DIVISIONAL HEAD - MOBILE CRANE DIVISION, drive the growth of the tower crane market.
LIEBHERR INDIA PRIVATE LIMITED The key design elements of tower cranes have remained largely

34 CONSTRUCTION OPPORTUNITIES|JANUARY 2022