
Assessment
Reduce assumptions before concrete is opened or a deep exterior excavation begins.
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Camera evidence before construction
Use traceable CCTV evidence to understand pipe route, condition, connections and installation constraints.
What to know
The survey should be organized around a decision: confirm route, identify a connection, review condition, plan a valve location or support a programme requirement.
Project context
Keep the original video, entry point, direction, distance references, significant observations and limitations. Edited highlights alone are not a complete inspection record.

Owner handover
The result may support installation, cleaning, locating, repair, further assessment or a decision that a proposed location is unsuitable.
Project checklist
Use the assessment, authority requirements and written scope rather than choosing from a generic product package.
Related next steps

Reduce assumptions before concrete is opened or a deep exterior excavation begins.
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A complete installation pathway for homeowners who want to reduce sewer-backup risk with the right valve, location, permit, inspection and maintenance access.
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Keep the flap, seal, body and access clear so an installed valve can move freely when reverse flow occurs.
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Provide the assessment information needed to prepare or schedule a reliable quotation.
Learn moreFrequently asked questions
Installation and material alterations must be completed through the appropriate qualified and licensed plumbing professionals and applicable permits.
Photos and records can help, but a reliable scope may require inspection or camera evidence.
No. The responsible authority makes permit, inspection and programme decisions.
BackwaterValves.ca focuses on backwater valves. Broader flood-protection services are available through FloodReady.ca where appropriate.
Next step
Open the short assessment form. The fields appear immediately on the next screen, or call us now.