The Waldorf Astoria, which opened in 1931 and has been shuttered since 2017, is about to reopen after a renovation that combines museum-quality restoration mixed with back-to-bare-steel rehab.

ACI CODE-318-25: Building Code Requirements for Structural Concrete and Commentary is now available in print with updates.

A bomb shelter is a purpose-built underground bunker engineered to keep occupants alive during a blast, radiation release, or ...