140 New Montgomery, also known as the PacBell Building, is located in the heart of San Francisco's South of Market district. The building, originally compelted in 1925, is a Art Deco office tower that originally housed telephone switching equipment. Starting in 2012, the building was converted into a office space with structural upgrades and new MEPS systems. Modulus Consulting provided coordination services and structural modeling to the general contracting team.