NJ Pipe Ramming – Trenchless Water Line Installation NJ
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As contractors specializing in NJ sewer services and water line services, we work primarily with underground pipes. Over the last 25 years, exciting new developments in trenchless sewer repair and installation have revolutionized our industry, allowing us to avoid costly and disruptive sewer excavation for many of our projects.
For many, if not most, of our NJ sewer services and water pipe services, we opt for trenchless solutions to reduce the cost, hassle, and disruption of underground pipe installation and rehabilitation for homeowners, businesses, and cities. One of the techniques available to use for trenchless water line installation, particularly when working with steel pipes, is a technology called pipe ramming. In this article, we’ll cover the basics of what pipe ramming is, how it works, and when it’s the best available trenchless solution for the job.
If you need sewer or water line repairs or installation in NJ, call us any time at 201-645-0888. With same-day service, expert contractors, and 24-hour emergency repairs, we’re north New Jersey’s leaders for underground pipe and sewer line services. For a free cost estimate, give us a call at 201-645-0888.
What is Pipe Ramming?
Pipe ramming in NJ is one of several trenchless technologies currently available for installing underground pipes without disruptive excavation. Excavation can be time-consuming, dangerous for laborers, and highly disruptive, especially for municipal projects in densely populated or high-traffic areas. Trenchless sewer and water line installation options like pipe ramming allow us to install a new pipeline underground with only an exit and entry point, eliminating the need for trenching.
Pipe ramming uses a pneumatic hammer to install steel water pipes. This process is suitable for installing pipes up to 150 feet in length. Generally used for casing pipe and culvert pipe installation, this process installs the pipe in a way that forces soil into the interior. After the pipe is in place, the soil is removed.
Some of the common applications of pipe ramming for trenchless pipe installation include:
- Installing steel drainage culverts
- Installing steel pipes as sacrificial casings for pressure pipelines or cable ducts
- Installing a steel pipe without disturbing railways, roads, buildings, contaminated landfills, or other sensitive areas that preclude trenching
The crossings installed using pipe ramming can be used to convey water, gas, or sewage, as well as other things like electrical cables, oil, or chemicals.
Advantages of Pipe Ramming
Pipe ramming has several qualities that make it a good trenchless solution in lieu of excavation, as well as potential benefits in some cases over other trenchless technologies:
- Jacking points and thrust-wall are not required
- The machinery can operate either at ground level or within a pit
- The installation is dry, and does not generate moist slurry
- Pipe ramming has been successfully used for underground pipe installation in excess of 130 meters
- Suitable for embankments or variable ground conditions
- No surface disruption
- The process is faster than traditional excavation, and often incurs a lower overall cost
When Pipe Ramming is Used
Pipe ramming is suitable for many water, sewerage pipe, and culvert pipe installation projects, but it does have its limitations.
Pipe Size and Length for Pipe Ramming
Pipe ramming is ideal for installing pipes over relatively short distances. While other trenchless solutions like horizontal directional drilling can install a pipe over a mile long, pipe ramming is best used for pipes under 300 feet in length. In some ground and soil conditions, however, longer pipes may be feasible. It’s also good for pipes and casings with large diameters up to 138″.
Pipe Ramming and Ground Conditions
Pipe ramming works better in some soil types than in others. As a trenchless solution for culvert, sewer, and water pipe installation, it’s most well suited for the following soils:
- Soft clays, silts, and organic deposits
- Sandy soils above the water table
- Soils with large obstacles like cobbles and boulders, so long as the rocks are smaller than the pipe diameter
Pipe ramming is more difficult, however, in other soil types. It may be difficult or unsuitable in such soils as:
- Dense sand below the water table
- Stiff clays
- Weathered shale
- Soft or fractured rock
- Firmly cemented soils
The soil conditions in the area where the pipe needs to be laid will affect whether pipe ramming is a suitable approach.
Local Contractors for Pipe Ramming and Other Trenchless NJ Sewer Services
At A1 Sewer & Drain Services, we’re the area’s #1 company for NJ sewer services, water line services, and gas line installation and repair. For great service and competitive prices for trenchless sewer repair in NJ, call us any time at 201-645-0888.