Excavation, pile driving and demolition can trigger damage claims. A survey protects everyone.
In this article
Why it matters
When you excavate, drive piles or demolish next to older buildings, neighbors start noticing cracks they never saw before. Without documentation, it's your word against theirs. A pre-construction survey records existing conditions and protects you and the neighbor.
When to do it
Excavation, shoring, pile driving, demolition and heavy vibration near existing buildings.
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What to document
Exterior and interior cracks, foundations and sensitive finishes.
Photos and video
Dated, high-quality records.
Neighbor access
Ask permission respectfully and explain the benefit.
Vibration monitoring
Monitors show actual vibration levels during work.
Crack monitoring
Gauges on key cracks track movement.
Owner communication
Share the plan with the owner and insurer.
Know your numbers
Track claims and how many were resolved with survey evidence.
A letter to neighbors
"We'll begin excavation next month. To protect your property and ours, we'd like to document its current condition with photos at no cost to you."
Where to start
Add neighbor surveys to your risk checklist for every project next to existing buildings.
Common mistakes
Skipping the survey, poor photos and not monitoring vibration.
After the work
Offer a post-construction survey to neighbors who raised concerns. Comparing before and after records resolves most claims quickly and keeps the relationship with the community positive.
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Frequently asked questions
What is a pre-construction condition survey?
A documented inspection of neighboring buildings before work starts, with photos, video and notes on existing cracks and conditions, used to evaluate any later damage claims.