By Thomas K. Butt, FAIA, LEED AP BD+C From 2011 to 2016, I was project manager for Interactive Resources on a project for BART to repair extensive leaks into the BART Powell Street Station that had plagued BART for decades and had stymied continuous previous repair...
Interactive Resources recently completed a six-year-long project for The Frank Hagel Federal Building in Richmond, California. The main tenant of this six-story structure is the Social Security Administration, and Interactive Resources was retained by the General...
We recently completed a study for UC Berkeley’s University Hall. This seven-story tower and adjoining two-story annex at the west edge of campus, designed by the well-known west coast firm Welton Becet & Associates and constructed in 1959, originally housed the...
Both technology and available materials and products continue to proliferate, with new offerings in liquid-applied barriers and flashings, air barriers with water-resistive functionality and drainable interstices. This presentation reviews applicable AAMA, ICC and...
Techniques for installation of “punched” windows and doors have been evolving continually over the last two decades. For many years, the accepted standard involved four strips of flexible flashing integrated with a nailing fin and the water resistive barrier (WRB) at...
A plaza deck is a walking surface, which sometimes can accommodate vehicles, typically waterproofed to protect the underlying structure and/or occupied spaces below. Common surface treatments include concrete, ceramic tile, stone or other paving material, usually with...