Enquiry Centre - Addition / Alteration - To install a new retaining wall at this existing grain elevator on site. OK for DB, SIPS per S.Dugaro Letters of assurance submitted: Sch A/B (Struct): Peter Celko, P.Eng., 604.671.2150 Sch B (Geotech): Kevin Bodnar, P.Eng., 604.439.0922