EV charging means cutting conduit across a post-tensioned deck. Clear it first.

EV charger installs in parkades mean two kinds of concrete drilling at once: anchor penetrations to mount the chargers and bollards, and — usually the bigger risk — saw-cut or cored conduit runs to carry power from the electrical room across the deck to each stall. Parkade decks are very often post-tensioned, so both the anchors and the long conduit routes cross tendons, rebar, and existing services. GPR clears the anchor points and the conduit path first, so a strata or commercial EV retrofit doesn't sever a 15–20 tonne tendon or cut a live service mid-project.

Very commonly, yes — suspended parkade decks and the podium slabs above them have used post-tensioning as standard in BC since the early 1970s. That's exactly why EV retrofits are higher-risk than they look: running conduit across a suspended deck and anchoring equipment into it means working directly over tendons whose draped path you can't see from the surface. We map the tendons across the conduit route and at each anchor before any cutting or drilling begins.

Yes — and the route is where the real exposure is. A charger install may have a handful of anchor points but tens of metres of conduit trenching or surface-cut routing across the deck, every metre of which can cross a tendon or service. We scan the full conduit corridor as a cut line (the same way we clear saw cuts) plus each anchor and bollard location, delivering a marked route and anchor grid the electrical contractor installs against.

All three. Strata corporations retrofitting resident EV charging into existing post-tensioned parkades are a major case (and the documentation helps the council and the engineer sign off). Commercial properties adding workplace or customer charging, and fleet/depot operators electrifying, face the same deck-penetration risk. Anywhere chargers go into existing structural concrete, the scan protects the slab, the budget, and the schedule.

Directly. The electrical contractor gets a marked, clear conduit route and anchor grid so they install without aborted cuts or tendon strikes. The structural engineer — who often must approve penetrations into a post-tensioned deck — gets located tendons to assess against, instead of relying on drawings that may be wrong. Where a permit requires it, we provide an annotated record of cleared locations and the tendon map. It turns an EV retrofit into a planned, signed-off job.

For routine clearance, yes — we scan, mark the conduit route and anchor points, and the install proceeds; no report-waiting delay unless the engineer requires a formal deliverable for structural penetrations. EV projects with long routes and many stalls are best done on a day rate that clears the whole scope in one mobilisation, keeping the electrical crew moving across the parkade.