Understanding Perimeter Drain Systems
Perimeter drains (also known as drain tile systems) are underground drainage systems installed around the foundation of your home to redirect groundwater away from the structure. In Victoria and throughout Southern Vancouver Island, many older homes were built with single-pipe clay or concrete drain tile systems that deteriorate over time. When these systems fail, water can build up around the foundation, leading to basement flooding, foundation cracks, moisture intrusion, and long-term structural damage. Modern perimeter drainage systems are designed to properly manage both groundwater and roof runoff. Today’s installations typically separate foundation drainage from rainwater leaders, improving flow efficiency and reducing the risk of backups. Professional perimeter drain replacement in Victoria involves full excavation to the footing, removal of failed drain tile, installation of new perforated PVC pipe, proper filter fabric and washed drain rock, and backfilling to ensure long-term performance. If your home is showing signs of drainage failure — including damp basements, pooling water near the foundation, or visible cracks — it may be time to consider a professional perimeter drain inspection and replacement.
Our Process
✔ On-site assessment and drainage inspection ✔ Detailed written estimate and clear contract ✔ Permit coordination and project mobilization ✔ Careful removal of landscaping and surface materials ✔ Full excavation to foundation footing ✔ Foundation wall cleaning and waterproof membrane application ✔ Installation of a modern two-pipe perimeter drainage system (built to BC code) ✔ Backfill with washed drain rock or approved materials ✔ Site cleanup and removal of excess materials Optional Items: ✔ Lawn and garden restoration ✔ Concrete driveway and walkway replacement ✔ Patio and hardscape reinstalls ✔ Retaining wall reconstruction ✔ Final grading and finishing
Services
Perimeter Drain Replacement
We provide full service perimeter drain replacements. from start to finish we look after Excavation, Permits, Pipe installation, Waterproofing, Landscaping and inspections. Using quality PVC piping and professional excavation, our systems are built to last for decades to come
Drain Camera Inspections
Drain camera inspections let us see exactly what’s happening inside your storm and perimeter drains without excavation. Using high-resolution video equipment, our Red Seal–certified plumbing professional assesses the condition of your drainage system, identifying blockages, root intrusion, breaks, and improper grading. This accurate, non-invasive approach ensures you get the right solution—whether it’s cleaning, repairs, or full replacement—while avoiding unnecessary costs and guesswork.
Waterproofing
We protect your foundation by cleaning and sealing exterior walls, applying a waterproof membrane, and installing high-quality drain mat (dimple board). This system channels moisture directly to the perimeter drain, reducing hydrostatic pressure and helping prevent leaks or long-term foundation damage. All waterproofing is completed to BC Building Code standards for lasting protection.
Why Choose Dr. Hoe Civil Construction?
✔WCB Compliant, Fully Insured & Licensed – We operate professionally and safely with full coverage and regulatory compliance. ✔ Warranty on Select Work – We stand behind our workmanship and offer warranties on qualifying installations. ✔ Owner Operated & On Site – You deal directly with experienced leadership, not salespeople. ✔ Specialists in Residential Civil Projects – Focused on drainage, sewer, excavation, and site prep done right the first time. ✔ Transparent Pricing & Detailed Quotes – Clear scopes, no vague allowances, and no surprises. ​ ✔ Proper Equipment for the Job – Modern, well-maintained equipment sized correctly for residential and light commercial work.
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Servicing Victoria, Langford, Sooke, Saanich, Sidney, Shawnigan Lake, Duncan, Mill Bay, Oak Bay, View Royal, Esquimalt, Metchosin and everywhere in between.