Industrial pipe lining in Atlanta

Pipe that cannot be dug

Industrial sites in Atlanta are full of pipe that was buried once and was never supposed to be seen again: process drains cast into a plant floor, a sanitary sewer running under a loading dock that never stops, a storm culvert carrying a creek under an access road or a rail spur, a hospital's main drain beneath a wing that cannot be taken offline. The soil around the metro adds its own problems. Red clay shifts with the wet-winter, dry-summer cycle and opens joints in concrete and clay pipe; granite close to the surface makes any excavation a blasting or hammering job; summer thunderstorms send sudden surges through storm lines that were sized decades ago. An excavation to replace a failed line means a shutdown, a traffic plan, dewatering and a repaving bill. Lining means a planned window and no trench.

Cured-in-place lining at industrial scale

The process that rebuilds a residential lateral scales up to trunk sewers and culverts. A resin-impregnated tube, sized to the host pipe, is inverted or winched into the cleaned line from a manhole, a pit or an existing access structure, inflated, and cured with circulating hot water, steam or an ultraviolet light train pulled through the liner. Large liners are often wet out at the factory and shipped refrigerated to the site to hold the resin until it is in the pipe. The resin is chosen for the duty: polyester for sanitary and storm, vinyl ester or epoxy for hot, aggressive or solvent-bearing waste. Laterals and service connections are reopened robotically, and the finished pipe is one continuous structural wall with no joints to leak or admit groundwater. the verified installer for industrial lining in Atlanta performs lining at this scale across metro Atlanta and north Georgia.

Bypass, outage and documentation

An industrial owner is less concerned with the liner than with what happens to the plant while it cures. The plan starts with flow: bypass pumps sized to the facility's peak carry upstream discharge around the work, and the outage, if one is needed at all, is pinned to a shift change or a maintenance weekend. Documentation runs alongside. The pre-lining survey, the cleaning record, the resin and liner submittals, the cure log with temperatures and times, and the post-cure video are assembled into a close-out package the owner's engineer and the sewer utility can review. In Fulton County, where regulators have paid attention to infiltration and overflows for years, that paper trail is part of the deliverable.

Sectional repair, bursting and culverts

Not every defect calls for a full-length liner. A single cracked joint or a short offset gets a sectional repair, a fiberglass sleeve a few feet long cured exactly at the defect. A process line too deformed or too small for a liner gets pipe bursting, which fractures the old pipe and pulls new polyethylene through the same alignment between two pits. Corrugated metal culverts that have lost their invert are lined once the bottom is stabilized; concrete culverts with offset joints are sealed and lined in one pass. The right method for each segment comes from the survey, and the proposal should say which and why. The method descriptions at the CIPP reference are the common reference.

Who should do the work

Industrial lining is a specification job. The contractor should be able to show a resin and liner submittal for the duty, a bypass plan with pump sizing, a cure log from comparable work, confined-space and traffic-control credentials for the crew, and a post-cure video from a project of similar diameter. A facilities director should also expect the contractor to know the permit path in Atlanta: a plumbing permit for sanitary work, a right-of-way permit where a line crosses a public street, and utility coordination for any tie-in to a public main. The verified installers at the verified installer directory are listed because they meet that standard.

Starting a project

The first step is a condition survey of the lines in question, by camera and, for large or deformed pipe, by laser or sonar profiling. The survey fixes length, diameter, material, access points and the location and severity of each defect. From it the proposal lays out a method per segment, a bypass and outage plan, a schedule and a close-out package. Call the number on this page or send the form to schedule the survey; the proposal follows from what it finds.

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Industrial services in Atlanta

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