Core drilling concrete JHA: hazards, controls and PPE.
Start from this template, add what's different on your site today, and have the crew sign.
| Hazards · Core drilling concrete |
|---|
| Drill binding and twisting the operator |
| Electric shock: water plus power |
| Hitting rebar, conduit or post-tension cable |
| Silica dust and slurry |
Controls
- Core drill with water feed (Table 1).
- Anchor or vacuum-mount the rig. Use the slip clutch.
- GFCI on the drill; keep cords out of the water.
- Scan the slab before drilling. Don't core post-tension slabs without the engineer's OK.
All 5 hazards and 5 controls → · 29 CFR 1926.1153 Table 1
Toolbox talk: Silica dust
A starting point, not a finished JHA. Walk the site and have the competent person sign it.
Hazards
- Drill binding and twisting the operator
- Electric shock: water plus power
- Hitting rebar, conduit or post-tension cable
- Silica dust and slurry
- Core falling out the bottom
Controls
- Core drill with water feed (Table 1).
- Anchor or vacuum-mount the rig. Use the slip clutch.
- GFCI on the drill; keep cords out of the water.
- Scan the slab before drilling. Don't core post-tension slabs without the engineer's OK.
- Barricade the floor below and catch the core.
PPE
- Safety glasses
- Hearing protection
- Work gloves
- Steel-toe boots
- Hard hat
OSHA rules
29 CFR 1926.1153 Table 1 · 29 CFR 1926.404(b)(1) · 29 CFR 1926.302
Toolbox talk: Silica dust
- Cutting, grinding or drilling concrete, block, brick or stone makes silica dust. It causes silicosis and lung cancer.
- Water on the blade or a vacuum shroud, every time.
- Follow Table 1 for the tool. It says when you need a respirator.
- No dry sweeping or compressed air. Wet sweep or HEPA vac.
- A written exposure control plan is required, and a competent person runs it.
The full talk, with questions for the crew →
A starting point, not a finished JHA. Walk the site, add what's different today, and have the competent person sign it.
Tomorrow, the crew signs it on one phone.
Dozer writes the JHA and the toolbox talk from what you say and what the cameras saw yesterday. The crew signs on the foreman's phone, and it files itself in the site's day.
- One JHA per task, per day, in under a minute
- The toolbox talk that matches the work
- Signatures on one phone, no clipboard
- Filed with the daily log, ready for an inspector
LIVE Toolbox talk · trench safety · 12 signed Photo is an AI-generated stand-in, not a customer site.
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Questions crews ask
What are the hazards of core drilling concrete?
Drill binding and twisting the operator. Electric shock: water plus power. Hitting rebar, conduit or post-tension cable. Silica dust and slurry. Core falling out the bottom.
What controls go in a core drilling concrete JHA?
Core drill with water feed (Table 1). Anchor or vacuum-mount the rig. Use the slip clutch. GFCI on the drill; keep cords out of the water. Scan the slab before drilling. Don't core post-tension slabs without the engineer's OK. Barricade the floor below and catch the core.
What PPE is needed for core drilling concrete?
Safety glasses, Hearing protection, Work gloves, Steel-toe boots, Hard hat. Add what your site and the task's SDS call for.
Which OSHA rules cover core drilling concrete?
29 CFR 1926.1153 Table 1; 29 CFR 1926.404(b)(1); 29 CFR 1926.302.
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