Updated on 05/06/2026
You’ve gotten the diagnosis, signed the quote, and the work is on the calendar. Now what?
For most homeowners, sewer repair is a once-or-twice-in-a-lifetime project. The contractor’s been clear about what they’re doing and how much it costs, but the actual experience of having a crew on your property — what shows up, what gets dug, what happens to your water and your lawn, what the day sounds like — usually isn’t covered in any detail before the trucks pull up.
This guide walks through what an actual sewer repair day looks like, from the night before through the final inspection. The specifics depend on what kind of line is being repaired, how it’s being repaired, what your existing pipe is made of, and what’s replacing it — so the bulk of the post is organized around those variables. Pull out the sections that match your job and skim past the rest.
Arrow Sewer & Drain provides sewer repair and replacement across central New Jersey, with primary service in Middlesex, Somerset, Union, Monmouth, and Hunterdon counties.
The Day Before: What to Do at Home
A few things make the day-of go more smoothly if you handle them in advance.
Mark anything you don’t want damaged. Sprinkler heads, low-voltage landscape lights, buried invisible-fence wires, and anything else underground that the locate services don’t track should be flagged with stakes or paint before the crew arrives. A reputable contractor will work around marked utilities, but they can’t work around things they can’t see.
Move vehicles off the work area. Excavation crews need room for the truck, the excavator, the spoils pile (the dirt being removed), and the new pipe materials. If your driveway is the work area, plan to park on the street the night before. If the crew is staging in the front yard, move cars to the street or back driveway.
Plan for the water and sewer service interruption. For most sewer line repairs, your sewer service will be interrupted for a portion of the day — usually a few hours to most of a working day, depending on the method. That means no flushing toilets, running showers, or doing laundry during that window. Fill a couple of pitchers for drinking water, run the dishwasher the night before, and plan to be out of the house for the bulk of the workday if it’s a long job.
Identify the main cleanout and the shutoff. Your contractor will know where these are by the time the day arrives, but it’s worth knowing yourself in case you need to communicate with the crew about anything mid-job.
Secure pets. Excavation crews and barking dogs aren’t a good combination. If you have pets, keep them indoors or board them for the day.
Morning Arrival: What Shows Up and What Happens First
The crew size and equipment depend on the job. A spot repair might be two technicians in a single service truck. An open-trench lateral replacement could be three or four technicians plus an excavator, a vacuum truck, and supporting vehicles. Pipe bursting and CIPP fall in between, with specialized rigs in addition to the service truck. Whatever the setup, your contractor should have told you about the day before what to expect — if they didn’t, asking the crew lead at arrival is reasonable. The crew lead will usually call the day before to confirm arrival window. Most jobs start between 7:30 and 9:00 AM to take advantage of full daylight hours.
The first thirty to sixty minutes on site usually look like this:
Site walk and confirmation. The crew lead walks the property with you, confirms what’s being done, identifies the cleanout, marks the line path, and identifies any concerns (trees that might be impacted, access constraints, neighbor issues). This is a good time to ask questions and to point out anything you’ve marked.
Photos for before-and-after documentation. Reputable contractors photograph the work area before any digging starts. This protects both you and them — if a question comes up later about whether a flagstone was already cracked or whether a tree branch was already damaged, the photos resolve it.
Verification of utility locates. New Jersey requires contractors to call 811 before any excavation, and utility companies mark their lines (gas, water, electric, telecom) with paint and flags. Before digging, the crew verifies the locates are accurate and current — sometimes by hand-digging or hydro-excavation in critical areas to expose utilities visually before the excavator goes anywhere near them.
Equipment positioning. The excavator, vacuum truck, or trenchless rig gets positioned. Spoil tarps go down to protect lawn or paved surfaces from the dirt being removed. Cones and caution tape go up if any portion of the work touches the right-of-way.
Once setup is complete, the actual work begins.
Sewer Lateral Repair: What the Day Looks Like by Method
Most residential sewer repair work happens on the lateral — the line running from your house to the municipal main in the street. The day depends heavily on which method the contractor is using, which depends on what the camera inspection showed and what your existing pipe is made of. (For more on how the camera findings drive the method choice, see why sewer lines fail and what cameras actually show.)
Used when the camera shows a single localized defect — a cracked section, a separated joint at one location, root intrusion at one point — on otherwise sound pipe. This is the lightest-touch option and the shortest day.
The crew accesses the line through an existing cleanout or by exposing a small access pit at the affected section. A specialized robotic patch or short liner is installed at the defect. The line is tested, the access is closed, and you’re done — often by early afternoon. Most spot repairs finish in a single day with minimal yard disruption. Sewer service is typically interrupted for two to four hours during the actual installation.
Cured-in-Place Pipe Lining (CIPP)
Used when the camera shows broader pipe-side deterioration along the run — multiple cracks, root intrusion at several joints, or progressive material breakdown — on a host pipe that’s still intact enough to hold its shape during curing. CIPP is common on aging clay tile and on cast iron lines that haven’t yet collapsed.
The crew opens an access point at each end of the section being lined (usually the cleanout at the house and a small pit near the property line or municipal connection). The existing pipe gets cleaned with a hydro-jetter — this is loud and creates a brief water plume but doesn’t damage anything beyond the pipe interior. A felt or fiberglass liner saturated with epoxy resin is then pulled or inverted into the host pipe. Once it’s in position, the resin is cured using hot water, steam, or UV light — depending on the specific system the contractor uses. Curing typically takes one to four hours. After it cures, the lateral connections are reinstated (where branch lines tie into the main lateral, the liner has to be cut back to allow flow), the line is tested, and the access points are closed.
Most residential CIPP jobs finish in one day. Sewer service is interrupted for most of the working day — usually six to eight hours — because the line can’t be used while the liner is curing. The yard disruption is minimal: two small access pits rather than a continuous trench.
Used when the camera shows severe pipe-side failure — collapsed sections, multiple major joint separations, or pipes too deteriorated for CIPP — and when the substrate is sound enough to accept a new pipe along the same path. Pipe bursting is the typical answer for Orangeburg replacement on post-war NJ homes, where the original lateral has progressively deformed past the point CIPP can address.
The crew opens an entry pit at one end and a receiving pit at the other (usually the cleanout at the house and a pit near the property line or municipal connection). A hydraulic winch pulls a conical bursting head through the existing pipe, fracturing it outward into the surrounding soil while pulling a new HDPE pipe in behind it. The pull itself is surprisingly fast — most residential lengths take twenty to forty minutes once the pits are open. Once the new pipe is in, the lateral connections are made up, the line is tested, the pits are backfilled, and the surface is restored to whatever extent the contract specifies.
Pipe bursting is the right call when the existing pipe is failed enough that a liner won’t work, but the new HDPE pipe is also a meaningful upgrade — fusion-welded into a single seamless run with no joints, eliminating the most common failure point in older clay and cast iron systems. Most residential pipe-bursting jobs finish in one to two days. Sewer service is interrupted for most of day one.
Used when the camera shows surface corrosion, scale buildup, pinhole leaks, or pipe networks where pulling a CIPP liner is difficult or impractical. Epoxy coating is sometimes confused with CIPP, but it’s mechanically different. CIPP installs a structural liner that becomes the new pipe; epoxy coating sprays or brushes a two-part epoxy onto the cleaned interior of the existing pipe, sealing surface defects and restoring flow. The host pipe stays the load-bearing element — coating doesn’t replace it, it protects it.
The crew opens an access point at the cleanout and any other points needed to reach the section being coated. The existing pipe gets thoroughly cleaned and dried — this prep step is critical, because epoxy doesn’t bond properly to dirty or damp surfaces. The epoxy is then applied through the line, allowed to cure, and the line is tested before the access points are closed. Curing time depends on the specific product and conditions, but most residential epoxy jobs finish in one day.
Sewer service is interrupted for most of the working day, similar to CIPP, because the line can’t be used during cleaning, application, and cure. Yard disruption is minimal — generally just the access point at the cleanout. Epoxy coating is the right call for a different problem than CIPP solves where CIPP creates a new pipe inside the old one, epoxy extends the life of an existing pipe by sealing it. It’s not a structural fix, which means it isn’t appropriate for cracked, collapsed, or significantly deteriorated pipes but for the conditions it does address, it’s faster and less invasive than the alternatives.
Traditional Open-Trench Excavation
Used when trenchless isn’t an option — fully collapsed pipe, substrate-driven failure that requires re-laying the line at correct slope, lines under foundations or critical utilities where pipe bursting’s lateral soil displacement is unacceptable, or lines with bends and transitions that trenchless equipment can’t navigate.
This is the most invasive option and the longest day or days. The crew digs a trench from the house to the municipal connection — typically three to six feet deep in NJ, depending on local frost requirements. The old pipe is exposed, cut out, and removed. The new pipe (PVC schedule 40 for sewer in most NJ municipalities, sometimes ductile iron in specific applications) is laid on a properly prepared bedding of clean stone or graded sand, connected at both ends, and tested. Then the trench gets backfilled in lifts — meaning layers of six to twelve inches at a time, with each layer compacted before the next goes on. (For why this matters and what to look for, see what to look for in a sewer line replacement quote.)
Most residential open-trench replacements take two to four days, depending on length, depth, and what the surface restoration involves. Sewer service is interrupted for the bulk of day one and possibly into day two, depending on when the new pipe gets connected.
Sewer main work — replacement or repair of the line that carries combined output from a multi-unit building, a commercial property, or a municipal system — looks similar in concept to lateral work but at a different scale. Larger-diameter pipe (typically 8 inches and up rather than 4 to 6 inches for a residential lateral). More crew on site. Larger excavation equipment. Often coordination with the property’s interior plumbing system to manage flow during the work, and sometimes coordination with the municipality for any portion of the work that touches the right-of-way.
Methods are the same — CIPP, pipe bursting, and open-trench excavation are all options for mains as well as laterals — but the timeline scales with the complexity of the system being served. A residential building’s main might be a one-day job; an industrial facility’s main can be a multi-week project with phased shutdowns.
If you’re a property manager, condo board member, or building owner facing main work, the planning conversation with the contractor is more involved than a residential lateral job. Expect to discuss flow management during work, communication with tenants or occupants, and any after-hours work that might be needed to minimize disruption.
What You’ll See and Hear During the Day
Sewer repair is loud, and it’s worth being prepared for what’s normal.
The excavator. A residential mini-excavator or backhoe runs at around 80 to 90 decibels at the operator’s position — quieter at the property line, but still loud enough to be noticeable next door. Most residential jobs use the excavator for a few hours total across the day, not continuously.
The hydro-jetter or vacuum truck. When these are running, they’re noticeably louder than the excavator — closer to 95 decibels — but they typically run for shorter periods.
The pipe-bursting rig. Quieter than excavation while the actual pull is happening, but the hydraulic pump driving the winch produces a steady industrial hum.
Backup beepers, talking, and radio communication. Crews communicate constantly during work, especially around the excavator. This is normal and not a sign anything’s going wrong.
What’s not normal: prolonged shouting between crew members in a way that suggests confusion or disagreement, sudden stops where work pauses for an extended time without anyone explaining, or anyone working in a trench more than five feet deep without proper shoring or sloping. If you see any of those, it’s reasonable to ask the crew lead what’s happening.
End of Day vs. End of Job
For one-day jobs (most spot repairs, most CIPP, most short pipe-bursting runs), end of day is end of job. The line is tested, the access pits are backfilled and compacted, the equipment is loaded out, and the surface is restored to whatever extent the contract specifies — usually rough grading and either topsoil and seed or a sod patch for landscaped areas.
For multi-day jobs (most open-trench replacements, larger main work), the end of day one looks different. The trench may be left open with proper barricades and night caution lighting, or it may be temporarily backfilled to be reopened the next morning depending on conditions and the crew’s plan. Either way, the work area gets secured before the crew leaves, and your sewer service should be functional overnight even if the new pipe isn’t fully in place yet.
Before the crew leaves the site at end of job, a few things should happen:
Post-work camera inspection (if included). A camera pass through the newly installed pipe — confirming proper slope, no sag, clean connections at both ends — is the cleanest verification that the work was done right. This isn’t always included by default; it’s often a separate line item or an add-on rather than standard. Check your contract. If it’s included, you should receive a copy of the footage for your records. If it isn’t and you’d like one, it’s reasonable to ask the contractor to add it for an additional fee — typically a few hundred dollars, and worth it for the documentation.
Municipal inspection. Most NJ municipalities require inspection before the trench is fully closed — sometimes during, sometimes immediately after. The contractor coordinates this, but it’s worth confirming it happened.
Restoration walk-through. The crew lead should walk the property with you, identify what’s been disturbed, and clarify what restoration is included in your contract versus what isn’t. Topsoil and seed? Sod? Asphalt patch on a driveway? Concrete repair on a sidewalk? The contract should be specified, and end-of-job is when to confirm.
Settlement guarantee discussion. Backfilled trenches settle for months after the work, sometimes longer. A reputable contractor includes a settlement guarantee — typically six to twelve months — covering re-grading and re-seeding if the trench settles. Confirm what’s covered and how to schedule a callback if needed.
What Happens After the Crew Leaves
The first few weeks after sewer work look like this:
Settling. Backfilled trenches will settle. Some of this is normal — a quarter-inch to an inch of overall settlement isn’t a problem. More than that, especially if it’s developing into a noticeable depression, means the compaction wasn’t done well and you should call the contractor under the settlement guarantee.
Watering and seed care. If your contract includes topsoil and seed for restoration, you’re now responsible for keeping the seed watered until it germinates and establishes. Skip this step and you get a strip of bare dirt where the trench was. Daily light watering for the first two to three weeks is the rule.
Sod care. If you got sod instead of seed, the watering schedule is different — heavy initial watering (an inch or so per day for the first week) tapering off as the sod roots in. The crew should give you specific guidance.
Settling-related concerns. If you notice unusually wet patches, sewage smell returning, or any sign that the line isn’t working properly, call the contractor immediately. Warranty terms vary, but workmanship issues should be covered for at least a year.
Where to Go from Here
If you’re reading this because you’ve already scheduled work and want to know what to expect, you’re in a good place — the planning is done, the diagnosis is sound, and the day-of will probably be smoother than you’re imagining.
If you’re reading this because you’re trying to decide whether to schedule work, the right next step is a camera inspection of your line if you haven’t had one yet. Everything in this post — the method, the day, the cost, the disruption — depends on what the camera shows. Without that, any conversation about what to expect is hypothetical.
And if you’ve already received a quote and something about it isn’t sitting right — the recommended method, the price, the scope of work — a free second opinion costs nothing and frequently changes the conversation.
Contact Arrow Sewer & Drain for sewer repair, replacement, and inspection across central New Jersey.
