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Trenchless Sewer Line Replacement Case Study โ€“ Saving a Garage & 50 Feet of Landscaping in Delta, BC


๐ŸŽฅ Watch the full project walkthrough below to see how we replaced this sewer line without tearing up the garage or 50 feet of hardscape.

In this Delta, BC project, a homeowner experienced their second sewer backup in two years. What initially seemed like another blockage turned out to be a completely deteriorated asbestos concrete sewer line that required full replacement.

The major challenge?
The line ran directly underneath the garage, concrete, pavers, and extensive landscaping.

Instead of excavating the entire property, we completed a full 60-foot trenchless sewer line replacement using the pipe bursting method, saving the homeowner over $10,000 in potential restoration costs.


Project Overview

Location: Delta, BC
Service: Trenchless Sewer Line Replacement (Pipe Bursting)
Length Replaced: ~60 Feet
Depth: 3โ€“7 Feet
Pipe Installed: 4โ€ HDPE
Project Duration: 3 Days
Access Points: 2 Excavation Pits
Inspection: City Approved


The Problem: Recurring Sewer Backups

The homeowner contacted us after experiencing another sewer backup โ€” the second in just two years.

Upon investigation, we discovered the existing sewer line was made of old asbestos concrete, a material known to deteriorate over time.

This pipe was:

  • Severely corroded

  • Structurally compromised

  • Beyond repair

There were no root issues โ€” this was pure structural failure due to aging material.

At this point, cleaning or patch repairs would only delay the inevitable.
A full foundation-to-city sewer replacement was necessary.


The Major Challenge: Garage & Hardscape in the Way

The sewer line ran directly beneath:

  • The homeownerโ€™s garage slab

  • Approximately 50 feet of pavers

  • Concrete walkways

  • Mature landscaping

A traditional excavation would have required:

  • Cutting and removing sections of the garage

  • Demolishing concrete and pavers

  • Extensive restoration work

Estimated additional damage and restoration costs: $10,000+

For a backup that was unexpected, that level of destruction would have added significant stress.


The Solution: Trenchless Pipe Bursting

We recommended a trenchless sewer line replacement using the pipe bursting method.

This allowed us to:

  • Open only two strategic access pits

  • Burst the old asbestos pipe underground

  • Pull in a new seamless 4โ€ HDPE sewer line

  • Replace the entire 60-foot run from foundation to city connection

  • Reconnect branch lines properly

All without cutting into the garage slab or tearing apart the property.


How the Project Was Completed

Day 1: Excavated access pits and prepared the line
Day 2: Burst the old pipe and installed new 4โ€ HDPE line
Day 3: Reconnected, tested, city inspection, and restoration

The home remained functional throughout the process.

The City attended for inspection and the project passed.


The Result

โœ” Full 60-foot sewer replacement
โœ” No garage demolition
โœ” No major concrete removal
โœ” Minimal landscape disruption
โœ” $10,000+ in avoided restoration costs
โœ” Long-term structural solution

After completion, the homeowner left this review:

โ€œReally great crew! Professional, punctual, and pleasant to deal with. Couldnโ€™t recommend more.โ€


Why Delta Homeowners Should Consider Trenchless Sewer Replacement

Many homes in Delta still have aging asbestos concrete sewer lines that are now reaching end-of-life.

If your sewer line runs under:

  • Garages

  • Driveways

  • Pavers

  • Landscaping

Trenchless pipe bursting may be able to save you thousands in restoration costs while providing a full long-term solution.


Need Trenchless Sewer Line Replacement?

If youโ€™re dealing with recurring sewer backups or suspect your sewer line is deteriorating, contact Your Guy Drainage today.

We specialize in trenchless sewer and water line replacements throughout Delta and the Lower Mainland.

preston

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