Starting a backyard remodel, building a patio, or repairing drainage seems easy initially. But when you start to dig deeper, the hazards—and the costs of making mistakes—can escalate quickly. This guide will help you try and figure out when a shovel and a weekend will suffice, and when calling an excavator will save you money, protect your safety, and ensure the value of your home. To know more about the excavator, simply click here.
Small Projects You Can DIY
There is a lot of light surface work that you can do as long as you’re careful and you come to expect it will take longer than you thought. The key is to keep your cuts shallow, your cuts small, and avoid anything that could move the structure or disturb an underground line. Be sure to adhere to local rules and regulations on how deep you can dig, and if you should notify utility companies.
- Level a small area for pavers (removing only a few inches of soil)
- Planting flower garden beds or edging (with minimal roots and rocks)
- Installing short, shallow French drains (that are not deeper than the major utility depth and don’t undercut your walkways)
- Removal of light yard debris after a storm (bagging and hauling small branch piles or piles of soil, without heavy equipment!)
Signs of Complex Soil Issues
If the ground feels soft and spongy after a dry spell, crumbles to powder, or forms hard slick clod when muddy, you may be dealing with expansive clay or disturbed fill. Expansive clay and disturbed fill can swell, shrink, and settle respectively causing cracking in hardscapes and tilting fences. Even water that remains in shallow holes, random voids, and unmistakable dark organic layers suggest that something is going on below the surface.
You should seek a professional evaluation if you observe standing water that has not drained away after 24–48 hours, slopes start to slump when heavy rain has occurred or there is evidence of prior dumping (brick, ash, broken concrete). A professional can excavate test pits, evaluate and test the soil bearing capacity, and compact the soil correctly so that patios, sheds, or retaining walls do not fail in the future. It is much more cost-effective to address issues associated with soil sooner than to spend potentially large sums fixing a leaning wall or buckled driveway.
How to Check for Underground Utilities
Any excavation, whether you choose to undertake it or hire a contractor, begins with utility locating. If you strike a gas service, electric line, or communications duct bank there is an immediate safety hazard, and you will be responsible for that utility’s loss of service. Consider that even shallow excavations like fence posts, mailboxes, or planter trenches may encounter a service line that may not have been installed consistent depth from the surface.
- Call 811 (in the U.S.), or your local ‘one call’ center, a few days before you dig to request free utility marking.
- Wait for their markers to be put in place in colour-coded paint and flags, and maintain your project at least the required distance from the listed paint and flags.
- Please remember that private lines (to sheds, pools, or landscape lighting) are typically not marked for you; should you suspect a private line, you will need to hire a private locator.
- If you are working in a tight site with existing improvements, you may want to ask if it is possible to employ a non-invasive locating method such as ground-penetrating radar before anyone begins moving a bucket of soil.
If you’re organizing a larger project like taking out an old slab before new drainage or patio work, a demolition contractor King of Prussia with utility-locating affiliates can help with scheduling and mitigate risks for all parties involved.
When Heavy Machinery Is Required
When you need to remove lots of soil, excavate deeper than 4 feet deep, or work near structures it’s time in general to call a pro. Excavators and skid steers move quickly, but can also destabilize a foundation or strike utilities if the operator miscalculates the soil action below ground. Professional operators understand benching, shoring, spoil pile placement, and the limits of small backyards.
Common pro-only situations: foundation digging for an addition, trenching for new water or sewer lines, stump removal in the vicinity of an existing utility, larger grading projects to re-slope a yard. This type of project is also where residential excavation contractors provide their most value with proper compaction, moisture management, and haul-off planning. If completed accurately, the subgrade supports your project; and at worst, leads to settling and cracks, and flooded foundations at best.
Safety and Legal Concerns
You are responsible for keeping people, pets, and neighboring property safe beyond just the hole. Permits, erosion control, and disposal regulations differ depending on municipality, and the fines add up in a hurry. Even if you hire a contractor, ensure you verify license, insurance, and a clear scope of work, including site cleanup.
- Permits – Ensure you understand if you need a permit for any of the following: retaining walls, driveway cuts, tree removals, or structural footings.
- Trench Safety (sloping, shoring, or trench boxes) – require trench safety for any excavation more than 5 feet deep to avoid collapses.
- Plan for legal disposal and restoration of construction debris – many areas require manifests for concrete, soil and contaminated materials. Check https://www.epa.gov/smm/sustainable-management-construction-and-demolition-materials for more details.
- Restoration should make up a piece of the contract – backfilling, compaction, rough grading, and final haul junk-away service, to prepare your site for the next trade.
The Bottom Line
How to decide, with one glance: If your project is shallow, small, and away from structure and utilities, slow careful DIY may be the way to go. If you see suspect soils, deeper cuts, or anything that involves structures or utilities or large debris, get a pro in early. You will protect your investment, keep your project timeline intact, and build a solid base for your patio, addition, or drainage improvements—without any surprises! And utilize specialists with what they do best, yard debris removal, locating utilities as accurately as possible, and planning to avoid rework. If you find the right people to help, your project will move away from a pipe dream to finish on solid ground.
