To build the cities of the future, the construction industry needs to be evolving continuously.

According to a projection of the Department of Economic and Social Affairs of the United Nations, approximately 70% of the world population will live in cities by 2050, corresponding to a net increase with respect to the current 55%. This impressive trend, combined with the expected growth in human population, could result in an overall addition of 2.5 billion people to the present urban demographics. Global trends suggest that a good portion of this urbanization will take place in Asia and Africa, with new and existing urban areas becoming subject of important investments for both residential and commercial buildings, as well as for infrastructure.

In this rapidly evolving scenario, the crane sector is expected to play a key role in shaping the entire construction industry and its competitive landscape. The development and modernization of already existing urban areas will require high-tech lifting equipment to reach new levels of capacity and versatility, whereas new developments will rather focus on reliability and safety, with enhanced cooperation of complementary crane systems.

 

DOWNTOWN CITY LIMITS

Congested city sites will bring new challenges for tower cranes, which often translate into restrictions on equipment used, space available, noise, emissions and timing limits. For this reason, construction sites will aim at minimizing the number of machines and maximizing versatility, reliability, ease of assembly and disassembly. In response to the growing need for lifting solutions able to operate in constrained spaces, the latest generation of ENG cranes are designed with an extremely compact slewing radius, for a greater performance in downtown locations. A good example is the EDL 120, whose 4.50 meters (14.8 ft) rotation radius is the smallest in its category. This model can be used in very crowded city centers with limited space and congested urban streets. It has a main boom that reaches 50.5 m (166 ft) and has a max capacity of 10 Tons (11 USt).

Faster disassembly is also important in urban job sites. The EDKH 185 was created to be a stand-alone derrick perfectly balanced to dismantle internal climbing cranes. Its 25 tons of maximum capacity makes it one of the most powerful derricks on the market with which you can dismantle even the big 24 tons tower cranes. Due to this special feature, a LUFFER version with both internal and external climbing tower is available, allowing installation in close proximity to the building under construction, thanks to the absence of a counterjib.

 

CHANGING TRENDS

Within the crane industry, a set of design rules is becoming more and more established in response to the challenges of modern urbanization, and ENG Cranes aims at facilitating emerging lifting concepts and solutions. Topless and luffing jib tower cranes are increasingly popular when it comes to low space applications, along with high capacity systems able to manage modern precast blocks and other large building components, which have become increasingly used in high-rise projects. The “heavy and high” requirements set by precast elements also demand for careful positioning systems, so an effective control of the crane is of utmost importance. Moreover, reliability is paramount in the construction industry, however the technical and financial stakes of Downtown projects intensify the need for exceptionally reliable systems.

To support these changing building trends ENG has extend its range of high-capacity luffing jib with the introduction of the new ETL 253. This crane has a maximum capacity of 20 and 25 tons. The ETL 253 is a traditional luffing jib crane, we have studied and perfected the design in order to make it reliable, potent and safe to use. This luffer was created to be the most powerful in its category. The ETL program proceeds with the ongoing planning of a 42 tons model, which will be presented in autumn 2020.

 

MOVING FORWARD

New trends and challenges are driving the evolution of the construction industry, and the tower crane sector is rising to the new demands for high-technology lifting solution. For this reason, ENG just lunched three new very particular crane models aligned to meet the needs of the contractors, the developers and the governments that are shaping new urban centers, with a renewed focus on customer satisfaction.  In the rapidly changing construction world, today’s ability of tower crane companies to focus on versatility, high-capacity and reliability will determine the landscape of tomorrow’s urbanization projects.