Pipe Bursting in Ojai

Ojai is a town that has worked hard to stay small, and its sewer pipes are as old as its charm. The cottages and bungalows around the Arcade and Libbey Park, the Spanish and ranch houses along Foothill Road, the Arbolada's winding lanes, and the estates of the East End date mostly from the 1920s through the 1960s. Lots are large, laterals are long, and almost everything sits under a canopy of valley oaks, coast live oaks, old citrus, and pepper trees that the city protects and residents cherish. The 2017 Thomas Fire burned into the edges of the valley and left a scatter of rebuilt homes sitting on original laterals.

Trenchless repair fits Ojai because it fixes the pipe without disturbing what is above it. A crew works from a cleanout and one small pit, often placed well outside any tree's drip line, and the lawn, the orchard, and the stone walkway stay intact. The county listing at countywide trenchless installers is one place to start a search; what follows is what a contractor will be looking for under an Ojai lot.

Old clay, long runs, and a protected canopy

The Ojai Valley floor is alluvium from the Ventura River and its creeks: loams and gravelly soils that drain reasonably well but still shift seasonally and settle under old trench backfill. The laterals of the 1920s through 1950s are vitrified clay with mortar joints, and in houses on raised foundations the plumbing under the floor is cast iron that has had decades to rust and scale from the inside. Some 1950s builds used Orangeburg, which deforms and blisters with age. Homes from the 1960s start to show ABS, often joined to an older clay stub at the property line.

Roots are the defining issue. Oaks, citrus, and pepper trees send roots into every open joint, and because many lots are an acre or more, a single lateral can have thirty or forty joints between the house and the street. Cutting roots each year keeps the drain moving but widens the gaps, until a camera shows a pipe that is more root than wall. On the hillside edges toward Shelf Road and the canyons, grades are steep and laterals may bend around old retaining walls.

Not every parcel is on sewer. The Ojai Valley Sanitary District serves the city and the denser valley neighborhoods, while large lots in the canyons, parts of the East End, and Upper Ojai remain on septic. Homes that connected to sewer later often have a newer plastic run tied to the original clay, and that transition is a frequent failure point.

Which method fits an Ojai lateral

• Hydro jetting and camera inspection are the first step on every job. Jetting clears the root mass so the camera can see the pipe wall, and a locating sonde traces the path across the lot so pits land clear of protected trees.
• CIPP lining is the natural choice for long, rooted clay laterals because it seals every joint in a single pass with a continuous liner designed for decades of service. The write-up at why CIPP suits old clay pipe explains why old clay is such a good host for a liner.
• Pipe bursting replaces deformed Orangeburg, collapsed sections, and badly bellied runs by pulling in new HDPE between two pits, which keeps the slope or the orchard between them untouched.
• Sectional point repair fixes one broken bell or the clay-to-plastic transition near the property line without lining the entire length.
• Spin-cast lining applies to larger cast iron and concrete lines, such as those under inns, schools, and commercial buildings around the Arcade.

Permits, the sanitary district, and tree rules

Lateral work inside the city is permitted through the City of Ojai, with the Ojai Valley Sanitary District maintaining the public main and setting connection requirements. Parcels outside city limits, including much of the East End and Upper Ojai, permit through Ventura County. The owner is responsible for the lateral to the main, and a pit in the sidewalk or street requires an encroachment permit. Ojai's tree protection ordinance means any work within the drip line of a protected oak must be noted on the application, which is another reason to choose pit locations carefully. A DigAlert 811 ticket is required before digging, and the work is inspected before backfill. There is no citywide point-of-sale sewer inspection, but buyers of older Ojai homes routinely ask for a camera report during escrow.

What to expect from an estimate

The technician should walk the lot with a camera and a locator, run the full lateral, leave you the footage, and mark the pipe path and depth, especially where it passes under trees. The written scope names the method, the pit locations, the tree protection plan, and the sewer downtime. For the order of events once the job is scheduled, the the trenchless workflow from start to finish describes each step from jetting to final inspection.

Pipe Bursting in Ojai

How pipe bursting works

A steel cable is threaded through the old sewer line from a pit at one end to a pit at the other. A cone-shaped bursting head, with new high-density polyethylene pipe fused to it, is pulled through by a hydraulic unit. The head splits the old clay or cast iron outward into the soil and the new pipe follows in the same alignment at the same depth. The result is a single fused length of pipe with no joints for roots to find.

When bursting is the right call

• Collapsed sections — a liner needs a host pipe to hold its shape; a collapsed run has none.
• Bellies — a low spot that holds water stays a low spot after lining. Bursting lays new pipe on a fresh bed.
• Undersized lines — bursting can upsize a 3-inch lateral to 4 inches; lining slightly reduces diameter.
• Badly deformed pipe — Orangeburg that has flattened, or cast iron with most of its bottom gone.

What the job looks like

One pit at the house or cleanout, one at the property line or the street connection, each a few feet square. Utilities that cross within a foot or two of the sewer path are located and potholed first. The pull takes an hour or two; the whole job, including fusing, connections, inspection and backfill, is usually one day.

Permits and the street

If the downstream pit is in the sidewalk, parkway or street, a right-of-way permit and restoration to city standards are required in addition to the plumbing permit. If the connection at the main is replaced, the city inspects it before the pit closes. Confirm who is handling this before work starts.

ZIP codes served in Ojai

Pipe Bursting is available throughout Ojai, including ZIP codes 93023, 93023, 93024.

More trenchless services in Ojai

Questions we hear in Ojai