Trenchless Sewer Line Replacement in Fresno

Repair or replace? What the camera settles in Fresno

Nobody should quote a sewer line in Fresno without first putting a camera through it, and the footage answers one question before any other: is the pipe still a pipe? A cracked, root-filled, joint-leaking line that still has its round section and its fall to the main can be rebuilt in place with a liner. A line that has collapsed, flattened, dropped into a belly or been pushed out of grade by a root ball cannot be lined back into shape; that one gets burst and replaced with new pipe along the same path. Either way the yard stays closed up. The difference is in what the contractor pulls through the old line.

What is under Fresno homes

The postwar tracts along the coast were plumbed with vitrified clay, usually in short jointed lengths, and the houses sit on slabs with cast iron drains underneath. Sixty years on, those clay joints have spread far enough that roots find them and the cast iron under the slab has lost its bottom to corrosion. Orangeburg, a tar-paper pipe used in some developments into the 1960s, simply flattens over time.

Expansive clay soils inland swell and shrink with the wet season and move joints apart. Sandy coastal soils and a shallow, salty water table attack cast iron from the outside. Seismic settling and sixty-foot street trees do the rest, and a long dry stretch followed by a hard rain is when the symptoms show up.

Lining is the usual answer for a clay lateral with open joints that still holds its grade. A clay or Orangeburg line that has flattened, bellied, or shifted at a joint gets burst and replaced with HDPE, and cast iron beneath the slab, with more turns than a felt liner can follow, is rebuilt with a spray-applied liner rather than cut out of the floor.

How a no-dig replacement goes in Fresno

The crew locates the line from the cleanout to the city connection and marks the depth at each defect the camera found. For bursting, two pits are opened: one at the house end, one at the property line or the main. A steel cable is fed through the old pipe, a bursting head is attached with a length of fused HDPE behind it, and a hydraulic puller draws the head through. The old pipe shatters into the surrounding ground and the new one occupies the same route at the same depth. The two ends are connected, the city inspects the tie-in, and the pits are closed the same day.

For a structural liner the run is jetted clean and measured, then a resin-soaked tube goes in from the cleanout by pull or inversion. Pressure holds it to the host wall while hot water or steam cures it, and what remains is a smooth, seamless pipe nested inside the original. A cutter working from inside reopens any branch lines. Water is off for the cure and back on the same afternoon.

Permits, inspections and the part in the street

Replacing a lateral in Fresno normally takes a plumbing permit, and the section between the property line and the main may belong to the city or the utility, which means a right-of-way permit and a scheduled tie-in inspection. A trenchless contractor who works Fresno regularly knows which agency owns that last stretch, pulls the permits as part of the job and books the inspector around the day of the pull. A quote that leaves permits out is not a complete quote.

Who replaces sewer lines in Fresno

No installer has been verified for the Fresno territory yet. Vetted lining and bursting contractors are listed by state at curedinplacepipe.net, and the form on this page or (855) 804-1434 goes to the network, which pairs the request with a qualified contractor working Fresno. Whoever does the job, get the footage before the price and the method on paper.

Common questions from Fresno owners