Find Electrical Lines In Concrete Floor

This lined up with the strong gpr response suggesting that the rebar and the power cable were located side by side.

Find electrical lines in concrete floor.

Place the edge of the spade on the ground at the start of the line. How to lay electrical conduit in concrete slab and foundation. Having a helper hold a wet dry vac hose next to the blade will help capture some of the. Attach a spade concrete cutting bit to the end of an electric jackhammer.

Pvc conduit is typically used for these applications because it is weather tight and doesn t corrode due to exposure to the acidic concrete. These cuts will kick up clouds of dust so be sure to wear safety glasses and a dust mask. The way i see it you have 2 choices 1 spend the 350 and see exactly where those lines are 2 find your floor layout and measure the distances between the loops and drill maybe youll get lucky and not hit the line maybe you will hit the line then spend a 1000 00 to smash the concrete up repair the line then pour new concrete if it were me the 350 sounds easier and cheaper. If you need to test wires while you re tracing use caution.

Handle all your tools with care and wear gloves and eye protection if you need to cut into the wall or floor to find or fix your wires. The next step is to rent an electric concrete cutting saw with a dry cut diamond blade. Before the concrete trucks come the contractor fills in the area over the network of plumbing pipes and drain lines with compacted sand. Put on the proper safety equipment including work clothes gloves goggles and a helmet.

The best time to run conduit is before your pour the concrete slab. If you don t have a set of mechanical plans that came with the house contact. When viewing the map of live power cables over the same area a strong power response was noted. At this point you will no longer see the horizontal drainpipes and the main sewer line but you will see the stubs that extend vertically out of the sand.

If you re working on lighting outlets or wiring cut the power at the circuit breaker first. The concrete floor might also contain conduit and electrical lines so don t cut until you know what lies beneath. In order to get a clearer picture of what was happening in the concrete a 24 24 grid was collected.