Question 1

What is CAT & Genny scanning?

Accepted Answer

CAT (Cable Avoidance Tool) and Genny (Signal Generator) scanning is the industry-standard pre-dig method for locating detectable underground services — power cables, telecoms, traced ducts and traced metallic pipework — before any breaker, post-hole or excavator hits the ground.

Question 2

Do you work to HSG47?

Accepted Answer

Yes. Our approach follows HSE guidance HSG47 'Avoiding danger from underground services': obtain records, locate with CAT & Genny, mark detectable services, and treat every excavation as if live services may still be present. Safe digging practice on every excavation is essential.

Question 3

Will scanning find every underground service?

Accepted Answer

No. No detector can guarantee 100% detection. Plastic mains (water, gas, fibre), deep services, missing utility records, signal interference and reinforced surfaces all limit what can be picked up. We're upfront about that on site.

Question 4

Is your kit calibrated?

Accepted Answer

Yes. We run in-date, calibrated CAT4+ and Genny equipment. Calibration certification can be provided on request for principal contractors.

Question 5

Are you insured?

Accepted Answer

Yes. We carry public liability insurance suited to construction site attendance. Certificates can be provided to the principal contractor before mobilisation.

Question 6

What types of projects is this for?

Accepted Answer

Civils trial holes, drainage runs, fence posts, road pinning, deep excavations, foundation digs, driveways and patios, garden rooms, landscaping and any general groundworks where a pre-dig position on services is required.

Question 7

Do you cover principal contractors and sole traders?

Accepted Answer

Both. We attend tier-1 civils sites under standard PC site rules and small domestic plots for sole traders — with the same standard of check.

Question 8

Where do you cover?

Accepted Answer

Across England with wider UK call-outs by arrangement. Send the site postcode and we'll confirm.

Question 9

How do I book a check?

Accepted Answer

Call 07582 760007 or use the contact form with the site address, scope of works, access details and target dig date.

Question 10

How long does a check take?

Accepted Answer

Depends on dig footprint and site complexity. Most small to mid-sized excavations can be swept and marked in a single visit.

Question 11

Do you mark findings on site?

Accepted Answer

Yes. Detectable services are chalk/paint/peg marked on site with a verbal walk-through to the site agent or operative. Photo records available on request.

Common questions about our checks

Still have a question?