Clean penetrations for HVAC, electrical, plumbing and comms — marked from drawings, drilled to size, sleeved and fire-stopped where required. Reinstated and certified on completion. M&E ready.

Riser cores for VRF, AHU connections, extract runs.
Soil stacks, mains feeds, condensate, sprinkler.
Cable trays, busbar runs, fibre, comms backbones.
Mineral wool collars, intumescent mastic, BS 476 cert.
M&E drawing or service schedule.
Set out from grid lines, scan for clashes.
Diamond core, sleeve dropped in.
Compartment-line cores fire-stopped to spec.
BS 476 cert + photo log handed over.