MARR & MIRVAC REMOVE FIRST SECTION OF ICONIC TV TOWER
SYDNEY, AUSTRALIA: Australian crane company, Marr Contracting (The Men From Marr’s), in partnership with Mirvac, has successfully removed the top section of one of Sydney’s highest and most recognisable structures, the former TCN-9 TX transmission tower at Willoughby.
Built in 1965, the lattice ‘Eiffel Tower’ was Sydney’s first television tower and one of three towers known as ‘the Artarmon triangle’ that broadcast television on behalf of major media companies before being decommissioned in February 2021.
With the departure of Nine Entertainment Co to North Sydney, Mirvac acquired approval to remove the tower and redevelop the site into a new residential community.
At 233-metres, the tower, which was Sydney’s tallest structure until Sydney Tower was built, requires a specialised craneage solution to dismantle it. Now fully erected, the top of the tower crane stands over 200 metres above ground level.
In early 2020, Mirvac assembled a team of leading Australian and international engineers and contractors including Marr, Robert Bird Group and critical infrastructure experts Kordia, to come up with a solution for designing and managing the process for dismantling the tower, which faced several challenges due to its size and location.
Two of Marr’s cranes will dismantle the tower piece by piece in the coming nine months starting with a bespoke M310D crane which will remove the top parts of the tower while supported by over 200 meters of tower sections and guy cables attached to four independent foundations anchored into the bedrock. After completing the lighter lifts at maximum height, the crane will climb down to a freestanding height of approximately 90 metres. Marr’s team will then replace the M310D with an M1280D heavy lift luffer (HLL) which will remove the heavier modules of the tower weighing up to 60 tonnes.
Marr’s involvement in the project also includes providing Mirvac with engineering, procurement and construction (EPC) services to assist in the dismantling of the tower.
Highlighting the importance of working with experts in their respective fields, Senior Development Manager – Residential Development at Mirvac, Clancy Sprouster, said
With assembly of the first crane complete, the entire dismantle is expected to be completed by early 2022.
Images and footage available for download here.
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Note to editors: Marr Contracting (‘The Men from Marr’s’) is a world leader in the design and delivery of heavy lift luffing tower cranes and heavy lifting services. With more than 90 years’ experience working on large-scale construction projects in Australia and around the world, their expertise spans the large-scale construction, mining, oil and gas, power, nuclear, major transport infrastructure, technology and marine sectors. Not just a crew and cranes for hire, they’re big thinkers and problem solvers who love a challenge with a string of ‘world firsts’ to their name – including the design of the world’s largest capacity tower crane, the Marr 2480D Heavy Lift Luffing (HLL) crane.
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