Subseries consists of architectural plans submitted to the City of Winnipeg by persons proposing to construct new buildings or renovate existing structures, all of which have since been demolished. Included are plans for such notable buildings as the Eaton's store on Portage Avenue, the Merchant's Bank on Lombard Avenue, the old Children's Hospital at Redwood and Aberdeen, as well as plans for a variety of schools, theatres, factories and odd civic structures like comfort stations (public washrooms).