3D laser scanning is back in the headlines – this time in Louisville, Kentucky – showing further proof that this innovative technology is quickly becoming the new industry standard for construction projects across the country.
Just last week, work on the $2.6 billion Ohio River Bridges project in Louisville began and 3D laser scanning technology is playing a key role in the progress.
The project includes reconstruction of ramps for the John F. Kennedy Memorial Bridge and interchanges at the intersection of three major interstates, a second bridge to carry northbound traffic on I-65, and a new East End Bridge to connect two major highways located 10 miles from downtown Louisville.
Kentucky is excited about the project and the clock is ticking! There is reportedly $12 million in bonus awards ($40,000 per day) available to the contractors if construction is completed early and an $80,000 per day penalty if the project is late.
So, when the contracts were awarded late last year, site crews mobilized fast.
The subcontractor providing surveys for the massive transportation project is using 3D laser scanning to plot the entire landscape of construction. This technology enables sketches and plans to be immediately uploaded to the cloud as they are completed so that crews can access the most recent data in real-time.
As a result, crews can conduct clash detection of existing and proposed construction to show if there are interferences that could potentially slow construction and can make modifications before they cause major construction problems.
As the many benefits of 3D laser scanning become more known, this technology has become a best practice for critical projects.
Many construction companies have even been rolling out flat screen computers onsite to show superintendents actual BIM models by sequence. These models are used throughout the day by workers building bridges, roads and infrastructures around the world.
Construction companies use these high definition laser scans to gather precise data on site terrain, renovations and additions. Architects use them to check proposed design models against existing conditions to fine-tune their designs, and engineers use 3D scans to work with real-world conditions in complex industrial as-built and plant environments.
The scans are quick, accurate and highly detailed and the result is big savings of both time and money. Not only can you revisit the original scan multiple times from a computer desktop, which eliminates costly return visits to the project site, but scans also prevent construction reworks and retrofitting and keep projects on time because they are completed right the first time.
At $80,000 per day, I’d say that’s worth it!
Tate Jones has over 40 years of experience in land and aerial surveying and was one of the country’s earliest adopters of 3D laser scanning technology. A nationally recognized expert in the field of 3D data capture, he has worked with hundreds of clients in the engineering, architectural and construction industries. Contact him at firstname.lastname@example.org or visit www.landairsurveying.com.