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Stitch drilling, controlled concrete removal, structural openings and restricted-access work where standard rigs can't go. Scaffold-mounted drills, working at height and permit-controlled access coordinated where required.
Specialist works is the catch-all for the jobs that don't fit a standard core or floor-saw method statement — stitch drilling for a structural opening in a heavily reinforced slab, controlled concrete removal on a live floor above a trading retail unit, scaffold-mounted drilling on the side of a high-rise, restricted-access coring in a basement plant room or behind a riser cupboard. Same crews, different planning, different kit.
The work is usually defined by a constraint: there's reinforcement everywhere, access is awkward, there are services live behind the wall, the site is occupied, the slab is post-tensioned, the opening has to come out clean for structural reasons, or the rig has to mount on scaffold rather than a floor. Whatever the constraint, the job starts with a site visit or a detailed brief, and the method follows from that.
Main contractors planning a structural alteration on a live or recently completed building. Demolition contractors needing controlled cuts on a sequenced project. M&E contractors retrofitting plant on the roof or in a basement plant room. Refurbishment teams cutting openings in heavily reinforced or post-tensioned slabs. Facilities and estates teams needing one-off interventions in occupied buildings — schools, hospitals, offices, retail.
If the job is awkward enough that you're not sure who to call, this is the page. Stitch drilling explained here.
A site visit is often the right call before pricing — say so and we'll book one in. Quote checklist.
Specialist works almost always means bespoke RAMS — confined-space permits, working-at-height plans, propping coordination with the structural engineer, watch-teams for tanks and plenums, isolation plans for live services. Wet drilling is the default with slurry contained at source; dry with M-class HEPA where wet is not an option. Scanning is mandatory on any slab where reinforcement, services or post-tension matter — the picture has to be clean before the rig is set.
Overlapping cores for controlled section removal — slabs, beams, walls.
Vibration-aware breakouts on live and occupied sites.
Tanks, plenums, risers, basements — permit-controlled access coordinated where required.
Scaffold-mounted rigs and MEWP work, subject to scope and access.
Walk the access. Photograph constraints.
Bespoke RAMS — rigs, anchors, isolation, watch-team.
Hot work, confined space, working at height — coordinated.
Crew matched to ticket. Continuous monitoring.
Photo log, area cleared, handover to the next trade.
Send photos of the access and a couple of lines on the opening. We'll come back with a method and a price — site visit included where the scope warrants it.