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News & Events - Institution of Engineers Singapore

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First Liebherr LTR 1100 crawler crane<br />

delivered in Hong Kong<br />

Products & Services<br />

Hong Kong’s first Liebherr LTR 1100<br />

crawler crane has been delivered to rental<br />

specialist Chim Kee for its first application<br />

on a government housing project in Hung<br />

Hom.<br />

In its first rental, the crane has been<br />

specially down-rated for a 50 t maximum<br />

lift at the boom length <strong>of</strong> 54 m, in order<br />

to meet the loadings <strong>of</strong> a steel platform,<br />

erected over the excavated 10 m deep<br />

basement <strong>of</strong> the project.<br />

The Liebherr crawler crane is being<br />

used to lift and place steel girders and 40<br />

mm dia rebar at the basement levels <strong>of</strong> the<br />

project’s 30-storey twin-towers.<br />

The main contractor for the project,<br />

Shun Tak Yee Fai Joint Venture, started<br />

work on the project in October last year,<br />

under a 30 month contract.<br />

With a 40 m x 90 m frontage, the<br />

project will include a four-storey retail<br />

and recreation podium above the two<br />

basement levels. Two 30-storey towers<br />

will rise from the podium.<br />

With foundations completed by<br />

Gammon in an earlier contract, the joint<br />

venture contractor excavated more than<br />

36,000 m 3 to clear the basement area.<br />

By opting to install the steel deck<br />

over approximately 75% <strong>of</strong> the site,<br />

the contractor has been able to speed<br />

erection <strong>of</strong> the basement’s steel girders<br />

and concrete deliveries. It also allows<br />

temporary parking for delivery trucks,<br />

preventing congestion in the busy narrow<br />

roads around the site.<br />

The LTR 1100 is proving to be ideal<br />

for the Hung Hom project because <strong>of</strong> its<br />

small footprint and mobility.<br />

The telescopic crane provides a high<br />

lift capacity for its 50 m boom and <strong>of</strong>fers<br />

a maximum lifting capacity <strong>of</strong> 100 t at<br />

2.5 m.<br />

In ordering the new crane, Chim Kee<br />

also incorporated a 7 m folding jib and<br />

19 m boom extension, to <strong>of</strong>fer a variety<br />

<strong>of</strong> configurations including a maximum<br />

extended 78 m boom.<br />

Further, the crane’s advanced control<br />

system provides smooth motion and<br />

precise lifting.<br />

Chim Kee’s rental fleet features 11<br />

Liebherr crawler cranes. The company<br />

was formed in 1962 as a small crane<br />

rental company and contractor. Growth<br />

continued throughout the 1970s, with<br />

Chim Kee introducing a fleet <strong>of</strong> trucks<br />

for heavy transportation and heavy lift<br />

contracting.<br />

By the early 1990s, the company<br />

ceased operating its contracting business,<br />

concentrating on rentals, particularly<br />

throughout construction <strong>of</strong> Chek Lap<br />

Kok International Airport, in which<br />

area it enjoyed significant growth with<br />

piling rigs, drives, jacking cranes, and<br />

transportation.<br />

Today, as a heavy lift contractor,<br />

Chim Kee has successfully participated<br />

in several projects such as Container Port<br />

Number 9 and Stonecutters Bridge, with<br />

heavy lifts up to 400 t.<br />

The new LTR 1100 is suitable for<br />

Hong Kong’s congested sites and <strong>of</strong>fers<br />

fast erection. It combines the advantages<br />

<strong>of</strong> crawler and telescopic mobile cranes.<br />

The LTR 1100’s ability to ‘pick and carry’<br />

loads, eliminates the need for outriggers.<br />

The Liebherr LTR 1100 crawler crane has been specially down-rated for a 50 t maximum lift at the boom length <strong>of</strong> 54 m, in order to meet the loadings <strong>of</strong><br />

a steel platform, erected over the excavated 10 m deep basement <strong>of</strong> the project.<br />

THE SINGAPORE ENGINEER Jun 2010 · 35

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