Standard Practices Subjects
- OCA Code of Practice Bidding
- OCA Best Practice for Naming of Sub-Trades
- OCA Recommended Day to Day Clean Up Standard of Practice
- OCA Position on Liquidated Damages Clauses
- OCA Layperson’s Guide to the Construction Act
Trade Scope of Work Guidelines
Seismic Guide
Change Order
- Contractor Charge Out Template
- OCA 2023 Change-Order Protocol
- ECA Ottawa Change Order Guide
- Walls & Ceilings Contractors (WACCA) Change Order Rate for Drywall Carpenter Installer
- Walls & Ceilings Contractors (WACCA) Change Order Rate for Plasterer
- ORMCA Masonry Charge Out Rate
- MCAO 2025-2026-CO rate-Piping
- MCAO 2024-2025-CO rate-Sheet Metal
- MCA Change-Order-Protocol