Roof Truss Designer

I am looking for a designer to prepare calculations for trusses that meet the Ontario Building Code (OBC). 5 truss designs are required: A) Cathedral - span approx 39ft B) Mono Scissor - span approx 19ft C) Mono Scissor - span approx 16ft D) Mono Scissor - span approx 16ft E) Queen - span approx 8ft Deliverable: Load calculations showing compliance with OBC for each truss design. Please provide an hourly rate and estimated number of hours per truss. Once awarded, I will provide the building drawings and sketches of each truss.