Sewer Excavation in Woodstock, GA

Not every sewer excavation fixes a broken pipe. Some move a working one. When a homeowner plans an addition, a pool, a detached garage or a large deck with footings, the building sewer is sometimes right where the new work needs to go. Relocating it means digging a new trench along a different route, laying new pipe and retiring the old section. For a Woodstock project, getting that done in the right order keeps the builder from waiting on the plumber, or worse, pouring over a line that should have moved.

Find the line before the design is final

The time to locate the sewer is while the plans can still change. A sewer camera inspection with a locator traces the route from the house and gives depths along the way, and those marks can go straight onto the site plan your designer or pool builder is drawing. Sometimes shifting the addition a few feet avoids the line entirely, which is far simpler than moving it.

Building over it or moving it

A sewer line under a pool or a new room becomes almost impossible to reach without tearing into the new work. A pool excavation can also run deeper than the pipe, cutting straight through it. In most cases, rerouting the line around the new structure is the cleaner answer. Where a short crossing under a slab cannot be avoided, the pipe in that stretch should be new, well bedded and paired with cleanouts that stay reachable on both sides. The camera footage also shows whether the existing pipe is worth keeping at all, or whether the reroute is a good moment to replace the rest.

Laying out a new route

• Enough fall. A longer path has to drop steadily from where the drain leaves the house to the connection point; the elevations at both ends decide whether a route is possible.
• Gentle turns. Long sweeping bends instead of sharp elbows keep waste and cleaning tools moving.
• Access. A cleanout at each major change of direction lets the line be serviced later.
• Clearance. Keep the pipe away from new footings, the pool shell, pool equipment and the root zones of trees you plan to keep.

When the house exit has to move too

If the addition will cover the spot where the main drain leaves the house, the change starts indoors. The drain may need to exit through a different wall, which is interior drain work coordinated with the addition's new plumbing. The outside reroute is then built to meet that new exit point.

Sequencing with the builder

Reroute first, build second. The new line is laid and inspected while the old one keeps the house in service, and the switch-over happens in one short step once the new pipe is approved. The old section is then cut and capped, or removed if it lies where footings or the pool will go. Footings, slabs and pool digging can follow without anyone working around a live sewer.

Woodstock's rules for a new building sewer

The city's Building & Safety Division issues plumbing permits and reviews and inspects new work under the 2024 International Plumbing Code with Georgia amendments. The city code bars plumbers from connecting to any city service pipe without a permit, and it keeps a building sewer trench open until the city has inspected and approved the work, with a city representative present for the connection and the test.

Questions about rerouting a sewer line in Woodstock

Can I build an addition over my sewer line?

It is usually a poor idea. Once a room or slab sits on the line, any future repair means cutting through the floor or digging under the foundation. Rerouting the pipe around the addition before construction is normally simpler in the long run. If a short crossing is unavoidable, use new pipe with cleanouts on both sides so the stretch can still be serviced.

Will a rerouted sewer line drain as well as the old one?

It should, if the new route has enough fall from the house to the connection and uses gentle bends. A longer path uses up more of the available drop, so the elevations need checking before the route is chosen. Built properly with new pipe, a rerouted line often drains better than the old one it replaces.

When does the city inspect a rerouted sewer line in Woodstock?

Before anything is covered. The new pipe, its joints and the tie-in have to be seen and approved by the city while they are still exposed, so the reroute is finished and tested before that visit is requested. Build it into the builder's schedule so it comes ahead of any footings or slabs nearby.

Move the line before you build

Planning an addition, pool or garage where the sewer runs today at your Woodstock home? Alpha Plumbing and Sewer can locate the line and work out a new route with you and your builder. Call (404) 409-4448.