Contractors on the $2.7-billion Silver Line Metro extension in northern Virginia will protect or replace 1,569 precast concrete panels used on five stations after multiple issues were discovered on hundreds of the panels.
A three-person peer-review panel has given a green light to the cutting-edge structure for Seattle’s Rainier Square Tower, an 850-ft-tall “proof of concept” for a new core system, which will have a tied dual-plate shear wall, field-filled with rebar-less concrete.
US engineer's board rejects the London-based giant's bid, which would require halting a planned buy of CB&I, but the offer may rise. One analyst is not keen on the counter offer.
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