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Avatar for Normand & Co. Underground, LLC
Normand & Co. Underground, LLC
New to Angi

Serving Columbia, NC and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

Normand & Co. Underground is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have several years of hands on experience to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Response time10 mins
Avatar for Bateman Civil Survey Company, PC
Bateman Civil Survey Company, PC
3.2(
14
)

Serving Columbia, NC and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"These folks were an absolute pleasure to work with. They were extremely responsive, competitively priced, survey was extremely accurate, and they provided excellent customer service. I highly recommend this company and will refer them to my friends."
Recommended by87%of homeowners
Avatar for Pools + Obx, LLP
Pools + Obx, LLP
5.0(
1
)

Serving Columbia, NC and surrounding areas

In business since 2000

Free estimates

Pools + Obx, LLP, is your top choice for residential and commercial pool services. We are also a full service concrete installation and repair company with over 15 years of experience. Call us today for a quote! \n252-423-1729

Resurface
New tile
New spa pack
Concrete patch
Concrete patcj

+32

Response time2 days
Avatar for Coastal Landworks
Coastal Landworks
New to Angi

Serving Columbia, NC and surrounding areas

Free estimates

Small jobs welcome

Credit card accepted

Overgrown Land? We Take It Back.\n​Our forestry mulchers grind brush, small trees, and vines into nutrient-rich mulch in one pass—leaving your land clear without burn piles, hauling, or soil disturbance.\n\nCoastal Landworks was founded with a simple idea: land clearing should be professional, reliable, and done the right way. Serving Eastern North Carolina and Southern Virginia, we specialize exclusively in forestry mulching — a modern, eco-friendly method that clears land by grinding trees, brush, and stumps into natural mulch in a single pass.\n\nAt Coastal Landworks, we don't just clear land — we give it back to you.\n

Avatar for Appalachian Pumping
Appalachian Pumping
5.0(
2
)

Serving Columbia, NC and surrounding areas

In business since 1995

"Don promptly returned my call for service of my septic tank. I called on a Friday afternoon, and the work was performed on Tuesday morning. He charged a reasonable price and did a very professional job. His assistant Donald, was also very professional. The work took approximately half an hour and was done very efficiently.
"
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Additional Photos
Recommended by100%of homeowners
Allen Bulldozing
New to Angi

Serving Columbia, NC and surrounding areas

In business since 2021

Free estimates

Offers commercial services

We are an ethical, honest and professional company. We are easy to communicate with. Always working with you until the job is done right and to your specifications. When working with our company you can expect integrity, prompt service and superior customer service. Always leaving the job site clean . We take pride in our services and enjoy making clients repeat clients. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting. \n\nCall us today for your free estimate. You'll be pleased you did. Thank you

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Excavating questions, answered by experts

Most residential basements are 8 to 10 feet deep. You can dig deeper depending on building codes, but it does become more difficult. You’ll likely need to install stronger foundation walls and additional supports to handle the increased load. Depending on the water table, you may also need a water management system. Clay soil can support a deeper foundation than sandy soil. A structural engineer will be able to tell you the maximum, feasible depth.

Yes, you can technically make a crawl space liveable, but the only way to do so is by converting it into a basement. While some crawl spaces are big enough to walk through and store large items, they lack appropriate insulation and space to be liveable.

A trench that is less than 5 feet deep often doesn't require a protective system. Most residential trenches will not go this deep (the typical residential drainage trench is just 18 inches deep). In the event that an excavator needs to dig more than 5 feet beneath the surface, a protective system is required unless the excavation is in entirely stable rock.

The best way to protect tree roots is to avoid the roots entirely by excavating outside the root radius of the tree. For nearby projects, it’s a good idea to construct a temporary retaining wall. But that’s not always possible, depending on the project and the root system. In these cases, consider using alternative equipment like an auger to tunnel under the ground.

Remember, tree roots can damage nearby cement foundations as they grow. If a tree is close enough to interfere with large excavations, it may be better to remove the tree than risk future problems.

A walk-behind trencher can cut through roots as long as they’re not too thick, making a project much easier than digging with a shovel and other hand tools. Assess your terrain and the number of trees in the surrounding area to determine if a walk-behind trencher will ease the job. Digging a trench by hand is much more time-consuming and labor-intensive. 

The Columbia, NC homeowners’ guide to excavation services

From average costs to expert advice, get all the answers you need to get your job done.