Langan provided geotechnical, traffic and evironmental engineering, survey and construction oversight services for the development of this new, 16-story apartment building with 270 units – a 434,000 SF expansion to the existing Museum Towers apartment building located in the Logan Square neighborhood of Philadelphia.  The new construction also included a four level parking garage and two rows of townhome structures in addition to improvements to the neighboring Matthais Baldwin Park and signalization upgrades at the two intersections along Spring Garden Street.