Hydro Jetting in Worthington

Old village, postwar plats, and almost nothing newer

Worthington was laid out in 1803, and the blocks around the Village Green along High Street and the side streets between the Olentangy River and the rail line carry some of the oldest sewer connections in the county. Laterals there are vitrified clay in short lengths with mortar joints, with cast iron through the foundation and sometimes a long cast iron run beneath a basement slab.

Colonial Hills, built in the 1940s and early 1950s on the south side, and the neighborhoods that followed through the 1960s, including Worthington Estates, the streets off Olentangy River Road and the plats toward Wilson Bridge Road and Linworth, are the typical trenchless job. Clay is the usual material, but this is exactly the window when Orangeburg fiber pipe was being installed in central Ohio, and Colonial Hills is the right age for it. Because the city was built out by the mid 1970s, PVC laterals exist only where one has already been replaced.

Shale, ravines and the Olentangy side

Worthington is underlain by the Olentangy and Ohio shales, which are close to the surface along the river and in the ravines that cut through the west side of the city. Laterals on those lots were trenched into shale or set shallow above it, which puts them in the 30 to 36 inch frost zone and means the pipe bed is uneven. The flatter east side sits on glacial clay, which swells, shrinks and settles.

Frost over seventy or more winters has opened the mortar at the clay joints, and the trees have done the rest. Worthington's street trees and yard plantings, chiefly silver maple, sycamore, pin oak and the willows along the river, are fully mature, and their feeder roots live in the damp soil directly over the laterals. The camera shows a root mat at nearly every joint on an unlined clay line.

Orangeburg fails on its own schedule. The pipe absorbs water, softens, and is squeezed oval by the soil until the top blisters inward and the flow path closes. Cast iron under the slab scales up and eventually rusts through along the bottom.

Matching the method to the material

For a clay lateral that is still round, cured-in-place lining is the repair. After hydro jetting cuts out the roots and a descaling head cleans any cast iron, a felt liner saturated with epoxy resin is inverted or pulled through the run and cured with hot water, steam or UV light. The liner passes through cast iron and clay alike and leaves a single continuous pipe with no joints, installed from a cleanout or a small pit so the old gardens and the tree lawn stay intact.

Orangeburg that has gone oval is a bursting job. A liner needs a round host and will not expand a flattened pipe. The crew digs a pit near the house and another near the main, pulls a bursting head through on a cable, and draws fused HDPE in behind it. Orangeburg breaks easily; the issue in Worthington is shale. The head cannot push through bedrock, so a lateral trenched into shale may require a short open cut instead, and the locate will show that in advance.

A sectional point repair fits a single bad joint, often at the tap into the main or at the cast iron to clay transition, when the rest of the line is sound.

Permits, the right-of-way and the inspection

Worthington maintains its own sanitary collection system, with flow treated by Columbus. A lateral repair requires a city permit, and the inspector will view the connection at the main before a bursting pit is backfilled or review the post-lining camera video. Work in the tree lawn, sidewalk or street takes a right-of-way permit. Addresses just outside the city in Sharon or Perry Township may fall under Columbus or the Franklin County Sanitary Engineer, so the jurisdiction should be confirmed by address.

In most communities around Columbus the owner is responsible for the whole lateral to the main.

The workday and how to compare installers

The crew will camera the lateral, locate it across the yard, and identify where the material changes. Descaling cast iron and clearing roots add time, so a full lining job can run most of a day, with water use paused for a few hours during the cure. Bursting adds a second morning for backfill, inspection and sod.

Ask any installer for the pre and post camera video, the liner and resin specification, and a written warranty on material and labor. To compare installers who are vetted on those points, find a verified CIPP contractor and ask whether they can tell Orangeburg from clay on camera, because in Worthington that distinction decides the method.

Hydro Jetting in Worthington

What a jetter does that a cable cannot

A hydro jetter pushes water through a nozzle at several thousand PSI. Rear-facing jets pull the hose down the line and scour everything off the pipe wall: roots, grease, sludge, mineral scale, and the rust flakes inside old cast iron. A cable machine drills a hole through the blockage and leaves the rest on the wall, which is why cabled lines re-clog on a schedule.

Where it fits in a repair

Jetting is step one before lining, because a liner has to bond to clean pipe, and step one before an honest camera inspection, because a line full of roots or scale hides its own condition. It is also legitimate maintenance on its own for a structurally sound line that roots keep finding.

When a line should not be jetted

Cast iron that is paper-thin at the bottom can be opened up by an aggressive descaling pass. A collapsed clay section will not let the hose through. Orangeburg can delaminate under pressure. An experienced operator checks the line first, matches the nozzle to the material, and stops if the pipe is not holding up.

Maintenance versus repair

If the camera shows sound pipe, annual or semiannual jetting is a cheap way to stay ahead of roots. If it shows open joints, channeled cast iron or offsets, jetting is a stopgap and the money is better spent on lining, which removes the joints the roots are using.

More trenchless services in Worthington

Questions we hear in Worthington