VERT / GREEN
Recent building with documented materials: keep product data and verify areas actually disturbed.
Pre-demolition hazardous-materials survey
Turn asbestos/lead/PCB/mercury topics into a pre-disturbance checkpoint: identify risky materials before sawing, hammering, sanding or demolition.
JAUNE / YELLOW
Older home or unknown history: develop a targeted inventory based on age, materials and scope before demolition pricing.
ROUGE / RED
Do not discover asbestos or other hazardous materials by accident during demolition; stop if uncharacterized suspect material is encountered.
Construction triage
What the professional checks
- Define survey scope based on age and work
- Sample/characterize and integrate results into scope/methods
Official sources
Sources checked: 2026-08-22. Confirm local rules and the applicable edition.
Related path
Continue with the right tools
These links connect this page to the next useful checks and decisions without repeating the full content.
Build a project budgetBreak down labour, materials, equipment, permits, overhead and contingency.Open →Compare contractor quotesCompare scopes and exclusions instead of only the final total.Open →Review material pricesFilter dated observations and compare prices on a common basis.Open →Escalate an older costUse two values from the same official series to update an amount.Open →Compare renovation returnsTest costs, savings, service life, added value, NPV and ROI.Open →
Manage the project through closeout
V14
Systems to check before closing the work
V14 connects envelope, air, fire, structure, water and code instead of treating each project in isolation.
V16
Advanced diagnostics to cross-check
V16 connects water, soil, climate, safety, materials and seasonal use to existing projects.