This project consisted of architectural, civil, structural, mechanical alterations to the Wilson Yard Carhouse to facilitate the new North Carhouse Expansion. The scope of work included the new construction of a 59,000 SF expansion to the existing Wilson Carhouse facility. The Toronto Transit Commission (TTC) required the services of Buttcon to provide all labour, products, equipment, and services necessary to extend the Wilson Carhouse to accommodate 500" long trains north of the cross-aisle. The work included the construction of the north expansion building addition and building services within, reconfiguration of the blow-down system on tracks 13 and 14, supply and installation of a new 6 car hoist on track 7, removal of existing and supply new traction power pendant supply system in existing Carhouse North of the cross-aisle, extend new traction power pendany supply system into new north expansion, electrical and signal duct bank re-routing, and construction of cable chamber rooms.