Safety checklist — Concrete pouring

Pouring and vibrating concrete. Based on Québec's Construction Safety Code (CSTC) and CNESST standards.

Before work

11 items
  • PPE worn: waterproof boots, pH-resistant gloves, safety glasses, hard hat

  • Formwork verified, oiled and conforming to plan

  • Concrete delivery slip conforming (strength, slump, admixtures)

  • Vibrating needle and vibrator tested and functional

  • Mixer truck access clear — signal person in place if reversing

  • Overhead power lines: 5.2.1 distances where section V appliesCritical

    ℹ️ CSTC 5.2.1: 3/5/8/12 m. 5.1.2 excludes, among others, services under 750 V.

  • Pouring in regular lifts — concrete drop height per the spec

    ℹ️ Pouring practice. The 1.5 m in 2.9.1 is a worker handling a load, not the concrete drop.

  • Vibration applied without excess (avoid segregation)

  • Level and flatness checked during placement

  • Skin contact with fresh concrete avoided (chemical burn risk)

  • Pressure on formwork monitored — no deformation

After work

5 items
  • Surface floated/finished to specifications

  • Concrete curing per the spec / conditions

    ℹ️ Pouring practice. 25°C is not a CSTC threshold.

  • Equipment and pump cleaned immediately

  • Curing area secured and marked off

  • Wash water collected — no discharge to ground

16 verification items — use this checklist on-site with the app

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PDF reports, history and team management in the app

For information only — this is not legal advice. OK Sécurité is an independent company with no affiliation to the CNESST: we are not mandated, endorsed or certified by it. Completing a checklist here does not by itself establish your compliance — your exact obligations depend on your job site and your prevention program. Where there is any discrepancy, the official text published by Légis Québec or the CNESST prevails.

Risks and prevention — Concrete pouring

Concrete pouring exposes workers to cement (alkali burns), pump and vibrator noise, splash, and hose handling. LSST 51 and, where they apply, CSTC 2.21 (noise) / 3.10.4 (load). Not a named RSST+CSTC pair for pouring.

Suitable PPE (waterproof boots, alkali-resistant gloves, goggles, hearing protection near pumps) follows LSST 51 and the risk. The CSTC does not write that named list. Fresh concrete can cause severe dermatitis after prolonged skin contact.

Coordination between the crane operator, pump operator, and ground crew is critical. Signals must be agreed upon before the operation begins. Workers must never position themselves under the concrete pump boom or in the path of a pressurized hose.

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