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San Francisco Warriors Stadium Wins Award for High-Tech Construction

Infra News - Published on Wed, 06 Nov 2019

Image Source: kuthranieri
The complex project to build a USD 1.4 bilion stadium for San Francisco basketball team the Warriors, which completed on the schedule despite many unusual logistical constraints, has won top prize in the 4D Construction Modeling category in Bentley Systems’ Year in Infrastructure Awards. The team, a joint venture between national contractors Mortenson and Clark, used sophisticated 4D modeling technology to schedule an intensive programme that peaked at USD 2.5 million worth of construction a day while adhering to stringent noise, dust, crane-height and other restrictions. Judges were particularly impressed by the JV’s handing of crane movements. Five tower cranes and two crawlers had to operate just inches under the flight path of patient-transfer helicopters landing at and taking off from the hospital next door.

In all, around 37,000 individual tasks and 93,000 schedule relationships had to be managed during the project to build the Chase Center, which broke ground in January 2017 and finished as specified on 1 August 2019 – in time to prepare for the Metallica/San Francisco Symphony concert scheduled for 6 September, and the Warriors’ first game of the 2019 season on 5 October.

Delay was not an option since the liquidated damages a delay would trigger would have been ruinous for the Mortenson | Clark JV, with damages calculated on lost event revenue and the disruption to the NBA games schedule.

Benefits of the 4D model, which adds a scheduling dimension (time) to a 3D digital model of the building, were unfathomable in executing the project. The visualisation capabilities of the technology, which included Bentley’s Synchro tool, helped drive timely decisions at stakeholder meetings involving up to 40 designers, engineers, foremen, schedulers and specialists. It also helped improve communication with trade subcontractors and a workforce of over 8,000, in meeting critical path milestones.

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Posted By : Ratan Singh on Wed, 06 Nov 2019
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