Oasis Pools
Construction

Excavation Day: What Actually Happens When the Dig Starts

·3 min read·Oasis Pools

Excavation is the day a pool stops being a drawing and becomes a hole in your backyard. It is also the most disruptive day of the project and the one most likely to produce surprises, because until a machine is in the ground nobody knows exactly what is under your yard.

Knowing what happens makes the week considerably less stressful.

Before the machine arrives

Utility locates. North Carolina requires notification before digging, and marked utilities have to be located and flagged. This includes public utilities, and it is worth noting that private lines on your property, irrigation, landscape lighting, invisible fence, propane runs and anything a previous owner installed, are generally not covered by public locate services. Tell your builder about anything you know is buried.

Access route. The equipment has to get to the backyard, and this drives more decisions than anything else. A gate has to come out, a section of fence may need removal, and the machine will cross your lawn. On tight Triad lots this can mean smaller equipment, more truck trips, and a longer dig.

Protection. Plywood or mats over the route reduce damage to the lawn and any driveway sections the equipment crosses. Trees near the route need protection, since root damage and soil compaction under a canopy can kill a mature tree a year or two later.

What the dig looks like

The pool is laid out and marked, then excavation follows the design profile in stages, shaping the floor, walls, steps and benches as it goes. Hand work follows the machine to refine shapes the bucket cannot form.

Most residential digs take a day or two on a straightforward site. Difficult access, rock, water or a complex shape can extend it.

What comes out is a lot more than you expect

This is the most common surprise. Excavated soil expands when it is dug, so the volume of spoil is noticeably larger than the volume of the hole. On a typical residential pool that is many truckloads of material.

Decide in advance whether the spoil is hauled off or stays on site for grading, and confirm which is in your contract. Keeping some on site can be useful for berms or grading and it saves haul cost. Keeping all of it on a small lot usually is not practical.

Piedmont-specific realities

Red clay. It digs differently from sand. It is heavy, it holds water, and when it is wet it turns into a mess that tracks everywhere. It also expands and contracts with moisture, which is why proper structural design matters here more than in stable soils.

Rock. The Piedmont has rock, and how much depends on the specific lot. Hitting rock that requires breaking or specialized equipment is a real possibility and a common source of change orders. Ask how your contract handles unforeseen rock before you sign, not after it appears.

Groundwater. Some lots have a high water table or seasonal seepage, which requires dewatering during construction and may call for a hydrostatic relief valve in the finished pool.

Slope. Many Triad backyards are not flat, which affects the dig, may require retaining walls, and influences where spoil can be placed.

Weather stops everything

Excavation on saturated clay is bad practice and often impossible. Rain delays are normal in a Piedmont spring, and a builder who pushes ahead on soaked ground is creating problems: collapsed sidewalls, compaction issues and a rutted yard.

Expect the schedule to move with the weather, and understand that a builder who holds off is protecting your project.

Preparing yourself and your neighbors

What follows immediately

Excavation is followed closely by steel and plumbing, then inspection, then the shell. That sequence moves fast on a well-run project, which is why the disruption is concentrated rather than drawn out. The yard looks its worst for a relatively short window.

We walk access, slope, utilities and spoil handling during design so excavation day holds as few surprises as possible. Request a consultation or call Oasis Pools at (336) 471-0103.

Frequently Asked Questions

How long does pool excavation take?Most residential digs take a day or two on a straightforward site. Difficult access requiring smaller equipment, rock, groundwater or a complex pool shape can extend it. Rain routinely delays the start, because excavating saturated Piedmont clay causes sidewall and compaction problems.
What happens if the crew hits rock?Rock is a real possibility in the Piedmont and it may require breaking or specialized equipment, which is one of the most common sources of change orders on a pool build. Ask how your contract handles unforeseen rock and subsurface conditions before you sign.
Where does all the dirt go?Excavated soil expands when dug, so the spoil volume is noticeably larger than the hole. It is either hauled off or kept on site for grading and berms. Confirm which your contract specifies, because hauling is a real cost and keeping it all on a small lot is often impractical.
Will the equipment damage my yard?There will be impact along the access route, which is why plywood or mats are used to reduce it. Restoration of the lawn and access route should be addressed in your contract. Trees near the route need protection, since root damage and compaction can kill a mature tree a year or two later.

Ready to design your backyard oasis?

Oasis Pools builds custom pools and outdoor living spaces across High Point, Greensboro, Winston-Salem and the Triad. Tell us about your yard and we'll put together a free, no-pressure consultation.