WRDSB - Collegiate Institue HVAC & Exterior Upgrade Project Documents Click on the document to view and download A1 Addendum 01 A2 Addendum 02 A3.1 Addendum 03 A3.2 Addendum 03 A4 Addendum 04 01- Specification 02- Architectural Drawing 02- Structural Drawing 03- Mechanical Drawing 04- Electrical Drawing Do you need help with your construction work?Contact us today Contact Us