Safdie Architects - Office Expansion: Stack was awarded the construction of a new 6,000 SF office for the world renowned architect Moshe Safdie. Located in Somerville, MA, this $1.75M office addition is attached to a historic two-story family house built in 1850; which was also partially restored as part of the project scope. The new addition is framed from structural steel and features an intricate architectural glass canopy. Architecture: Safdie Architects. Construction: Stack + Co.