Skanska has built a huge marquee, which it calls a “temporary encapsulation structure” to protect archaeological works being undertaken in London’s St James’s Gardens as part of the HS2 project.
Caroline Raynor, principal archaeologist for the HS2 joint venture between Costain and Skanska (CSjv), which is delivering enabling works for HS2, explained how the contractor built a bird cage scaffold, erected on a working platform and then rolled out on spine beams using a bespoke series of rollers, which pulled the tent structure across the spine beams and reduced the amount of working at height required.
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