Nadine Post

Aug 15, 2023 | enr.com | Nadine Post

Consigli Construction, the general contractor for the sustainable-materials upgrade of the below-grade “bathtub” surrounding the 501,000-sq-ft Alexander Hamilton U.S. Custom House in Lower Manhattan, is likely to mobilize the $68-million project next month, according to the U.S. General Services Administration, the owner of the national historic landmark. GSA Administrator Robin Carnahan announced Aug.

Jul 12, 2023 | enr.com | Nadine Post

Boosters for a more sustainably produced cement, which slashes greenhouse gas emissions up to 40% compared to ordinary portland cement production, say the material, called limestone calcined clay cement, is the next best embodied carbon reducer for concrete since portland limestone cement. But enthusiasts of the material, called LC3, see obstacles to its widespread production and use, especially in the U.S., where cement suppliers are only beginning to consider producing it.

Jun 28, 2023 | enr.com | Nadine Post

For John Crocco, building the labyrinthine Perelman Performing Arts Center at Manhattan’s World Trade Center is challenging but also cathartic, because of his history at the WTC site. On Sept. 11, 2001, at 9:03 a.m., Crocco was standing outside the 110-story south tower of the original 16-acre complex, where he worked on the 21st floor, when the skyscraper “exploded” overhead as terrorists crashed a hijacked plane into the building at the 77th floor. He fled to avoid falling debris.

Jun 21, 2023 | enr.com | Nadine Post

After overcoming several snags, the team for the voluntary effort to stem future significant settlement and tilting at San Francisco’s 645-ft-tall Millennium Tower has declared the project a success, now that loads have been fully transferred to 18 new perimeter piles driven to bedrock.

Jun 11, 2023 | enr.com | Nadine Post

The American Society of Civil Engineers Structural Engineering Institute has released the nation’s first consensus-based document specifically developed as a design aid for the resistance of disproportionate collapse in buildings and other structures. Ten years in the making, the shapers of ASCE/SEI 76-23 produced the historic performance standard from scratch.