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ConcreteDailyACI 304.2R

Concrete Pump Truck Inspection Checklist

ACI 304.2R daily for truck-mounted and trailer concrete pumps. Outrigger setup and boom-pin lock verification prevent the most catastrophic class of incidents; wear-plate condition drives the cleaning + downtime decision.

Sections

6

Fields

32

Equipment

Concrete Pump

FREE PRINTABLE SAMPLE · NO EMAIL · THE FULL, CUSTOMIZABLE INSPECTION RUNS IN-APP

WHAT IT IS

The Concrete Pump Truck Inspection Checklist, explained.

The concrete pump truck inspection checklist is the daily concrete pump inspection built to ACI 304.2R. It runs 6 sections and roughly 32 pass / fail / N A checkpoints — covering Outriggers & Setup, Boom Hydraulics & Pin Locks, Hopper & S-Valve, Wear Plates & Pipeline, Remote Controls, and Documentation. Download the free printable sampleto put on a clipboard today — it's a basic quick-reference. The real power is running it in the DigiDocs app, where this becomes a fully customizable, 32-point digital inspection: every failure auto-creates a deficiency routed to your mechanic, photos attach on the spot, the operator e-signs, and each completed inspection becomes a signed, timestamped audit-trail record your auditor will accept without a fight.

CHECKLIST · STRUCTURE

What gets inspected.

This template is organized into 6 sections totaling roughly 32 Pass / Fail / N/A items. Clone it and tune fields to match your exact equipment configuration.

AUTHORITATIVE · STANDARD

ACI 304.2R

  1. 01

    Outriggers & Setup

    SECTION · 01 · OF · 6

  2. 02

    Boom Hydraulics & Pin Locks

    SECTION · 02 · OF · 6

  3. 03

    Hopper & S-Valve

    SECTION · 03 · OF · 6

  4. 04

    Wear Plates & Pipeline

    SECTION · 04 · OF · 6

  5. 05

    Remote Controls

    SECTION · 05 · OF · 6

  6. 06

    Documentation

    SECTION · 06 · OF · 6

CREW · WHO RUNS THIS

Concrete pump contractors running Schwing, Putzmeister, Alliance, KCP, or DY truck-mounted booms and trailer pumps. High-rise pours, tunnel and shaft work, bridge decks, residential basements, slab placements that can't take a chute. ACI 304.2R + OSHA 1926.20 daily inspection before every setup.

FIELD · INTEL

What inspectors catch most.

Pulled from competent-person write-ups in the field — not from a regulation digest. These are the items that fail the daily check more than any others.

  1. 01

    Outrigger pad on unprepared ground without crane mats — pump tipover in slow motion

  2. 02

    Boom-pin lock not engaged after the last boom move — the unfolding sequence depends on it

  3. 03

    S-valve seal worn — concrete sprays back at the operator on every cycle

  4. 04

    Wear-plate replacement deferred past spec, causing pipeline thrust and joint failure

  5. 05

    Remote-control e-stop battery low — operator finds out at the worst possible moment

OSHA · ENFORCEMENT

What a citation costs.

OSHA Serious: up to $16,131 per violation (2026 maxima). Willful or Repeat: up to $161,323. ACI 304.2R is industry-consensus, not OSHA-enforced directly — but OSHA's general-duty clause (Section 5(a)(1)) reaches pump-truck setup failures, and the citations are often paired with 1926.20 (general safety + health provisions). Pump-truck tipovers and pipeline whip incidents make the news.

Read ACI 304.2R on osha.gov

THE PAPER SAMPLE VS · THE REAL THING

The PDF is the clipboard.
DigiDocs is the system.

A printable checklist still relies on someone remembering to do it, store it, and find it when an auditor or insurer asks. The same concrete pump truckinspection in DigiDocs runs on the phone already in your operator's pocket — and turns a checkbox into a defensible compliance record the moment it's signed. Every field is yours to customize.

Every line item, not just sections

The full template carries all ~32 checkpoints with the OSHA / FMCSA / ASME citation on each — the sample only shows the section headers.

Photo proof on every failure

Operators attach a photo the instant something fails, so the defect is documented at the point of inspection — not reconstructed later.

Failures become mechanic work orders

Every Fail auto-creates a deficiency routed to your mechanic dashboard, with repair notes and auto-verify on the next inspection.

Red-tag / operability built in

Operator marks Operable / Non-Operable per OSHA 1926.1417; critical fails can lock the asset out of service automatically.

Signed, timestamped, permanent

Operator e-signature on submit; every completed inspection becomes an audit-trail PDF and a shareable, revocable customer link.

Make it yours

Rename fields, add sections, set conditional logic, schedule recurrences, and white-label it — no two fleets inspect exactly alike.

Run the full Concrete Pump Truck free for 14 days

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FREQUENTLY · ASKED

Concrete Pump Truck, in practice.

Why is outrigger setup such a big deal on a pump truck?

The pump exerts thrust through the boom and pipeline that creates significant horizontal forces during pumping. Without full outrigger deployment on adequate ground, the truck tips toward the load. Tipover-during-pour is a documented multi-fatality incident class — the operator and ground crew both have time to react but often don't.

What's an S-valve?

The mechanical valve at the bottom of the hopper that directs concrete from the hopper into one of two pumping cylinders alternately. It looks like an 'S' lying on its side and swings back and forth with each cycle. Wear on the S-valve seal causes concrete spray and pressure loss; replacement is a major service event.

Do pipeline sections need their own inspection?

Yes — wear plates inside the pipeline are consumables. Pipeline wall thickness decreases with each yard pumped. The daily inspection includes a wall-thickness check at known wear points; replacement is on a yardage-pumped curve, not calendar.

What's pipeline 'whip' and how do you prevent it?

When a pipeline coupling fails under pressure, the pressurized line snaps free and whips. It's catastrophic to anyone within reach. Prevention: safety chains at every coupling, daily inspection of clamps and gaskets, and pressure-monitoring during pumping. The template enforces clamp inspection at each setup.

Who can operate a concrete pump?

A trained operator. ACPA (American Concrete Pumping Association) offers a voluntary certification (CPCS — Certified Concrete Pump Operator). Many GCs require ACPA certification for any pump on their sites, alongside the daily inspection sign-off.

READY · TO USE

Run the Concrete Pump Truck Inspection Checklist today.

Download the free PDF, or start a 14-day Professional trial — no credit card. All 44 inspection checklists included; clone, customize, and deploy to your crew the same hour.