The Chartiers Valley High School project consisted of: the phased demolition of large portions of the existing high school; excavation for foundations and grade beams for the new high school structures; all site utilities; site excavation and grading for the entire site; and E&S controls. Most of this work was performed while the high school was occupied. Beyond demolition, the work included: 5,400 cy of fdn excav; 1,740 lf of storm pipe & struct, incl a 96" dia SWRS; 725 lf of san pipe & struct; 1,500 lf of wtr line; and 1,225 lf of gas line.