Concrete

Foundations, Transformer Pads & Site Concrete.

Concrete placed by crews who understand the tolerances electrical and mechanical systems demand.

WIL-Surge Electric is a commercial concrete contractor for building foundations, equipment pads, and site concrete across Wisconsin. Our in-house crews place foundations, flatwork, and site concrete with an eye on the tolerances electrical and mechanical systems demand.

Because we self-perform the electrical and mechanical work that sits on that concrete, pads and foundations are built by a team that knows what is going on top of them, and that is accountable for both.

Foundations & Footings

Our concrete crews pour building foundations and footings on sites prepared by our own earthwork and grading crews, so the handoff from graded pad to formed foundation stays inside one company and one schedule.

Transformer & Equipment Pads

Concrete crews pour foundations and transformer pads for substations, switchgear, and mechanical equipment. Those pads protect the systems that sit on them, so their size, elevation, and conduit openings have to match the equipment exactly.

That is where self-performing pays off. The team placing the pad works from the same plans as the power distribution and high voltage crews setting the equipment, and conduit from our underground utility crews comes up right where the gear needs it.

Embedded Conduit & Anchor Bolts

Once concrete is placed, anything that needs to pass through it or be anchored to it is locked in. Conduit that feeds a transformer or switchgear has to come up through the pad inside the equipment's cable opening, and anchor bolts have to match the mounting holes on the equipment base. A stub-up that lands a few inches off can mean coring, patching, or pouring the pad again.

The fix is coordination before the pour. Approved equipment submittals and manufacturer drawings show the footprint, the openings, and the anchor pattern, and those dimensions are checked against the formwork and the conduit locations before concrete arrives. Anchor bolts are commonly set with templates so the pattern holds while concrete is placed around them.

Because the same company installs the conduit, pours the pad, and sets the gear, those checks happen inside one team rather than across three.

Formwork & Tolerances

Formwork gives concrete its shape, and it has to hold that shape while wet concrete pushes against it. Forms are set to the lines and elevations on the plans, braced so they don't move during the pour, and checked before placement begins, because correcting a form is easy and correcting hardened concrete is not.

Tolerances define how far finished concrete can vary from the plans and still be acceptable. On a sidewalk, a small variation may never be noticed. On an equipment pad, the surface has to be level enough for the equipment to sit properly, and the elevation has to work with the conduit and the ground around it. Tighter tolerances take more care in setting forms and finishing the surface, which is why they belong in the plan from the start.

Site Concrete

Beyond foundations and pads, our crews place sidewalks and concrete slabs, finishing the site around the building with the same in-house team that built what is underneath it.

Curing Concrete

Concrete doesn't simply dry; it gains strength through a chemical reaction with the water in the mix. Curing keeps enough moisture and warmth in the concrete for that reaction to continue, and it has a direct effect on how strong and durable the finished slab, pad, or foundation becomes.

Common curing methods include keeping the surface wet, covering it with sheeting or blankets, and applying curing compounds that slow moisture loss. Concrete that dries too quickly, especially on hot, windy days, is more prone to surface cracking and lower strength. Loading a pad or slab too early can also cause damage, so setting equipment and other work on new concrete are scheduled around the strength it has actually reached.

Cold-Weather Considerations

Wisconsin weather adds another variable. Fresh concrete that freezes before it has gained enough strength can be permanently damaged, and cold temperatures slow the reaction that builds strength in the first place. Concrete also shouldn't be placed on frozen ground, which can settle as it thaws and leave the concrete above it unsupported.

When a pour has to happen in cold weather, the usual measures include protecting the subgrade from frost beforehand, adjusting the concrete mix, and covering new concrete with insulated blankets or enclosures while it cures. Those measures add cost and time, so owners and general contractors benefit from planning pour dates around the season when the schedule allows. Coordinating foundations with the site work schedule helps keep critical pours out of the coldest weeks.

Request a Bid

Tell us your project scope, location, and timeline through our request a quote page. Our estimating team reviews the details and responds with next steps for bidding, or browse all 17 trades.

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Preconstruction support, budgeting, and design-build expertise, from a partner who self-performs the work.