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Rapid Impact Compaction

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Rapid Impact Compaction engineering solution

Rapid Impact Compaction: plan the method around the project evidence.

Rapid Impact Compaction (RIC) is assessed as a controlled, localised or grid-based ground-treatment route where project access, carrier arrangement, working sequence and verification can be planned.

The RFQ should describe the working area, material condition, treatment objective, access constraints, equipment available and acceptance route. CMG uses these inputs to discuss a suitable hydraulic compaction configuration.

Discuss this project route
Rapid Impact Compaction

Method fit

Start with a clear fit discussion and a clear review boundary.

Typical discussion contexts

  • Foundation preparation and engineered fill programmes requiring a planned, controlled treatment sequence.
  • Sites where a hydraulic compaction system and working grid can be reviewed with the project team.
  • Projects that need a practical link between ground-treatment equipment, access constraints and the follow-on construction programme.

Conditions requiring review

  • Carrier capacity, working reach, exclusion areas and local site restrictions require project-specific confirmation.
  • Variable or saturated conditions need engineering review before a hydraulic impact route is selected.
  • Acceptance criteria and final work pattern remain set by the responsible project engineering process.
CMG Hydraulic compaction equipment

Equipment and programme

Equipment selection follows the work plan.

Use this solution page to prepare the engineering inputs, then review the relevant equipment route alongside the project work zones, access and verification requirements.

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Decision workflow

Make each project stage traceable.

  1. 1. Define the work zone

    Record working area, constraints, material condition and the next construction activity.

  2. 2. Review the hydraulic configuration

    Match the RIC system or compactor arrangement to carrier, access and project requirements.

  3. 3. Set out the treatment sequence

    Agree a controlled grid or work pattern, exclusion space and operating checks before starting.

  4. 4. Track work conditions

    Record meaningful changes in ground, access or machine behaviour and review the work plan when they occur.

  5. 5. Verify before handover

    Apply the project-specified inspection or testing route before the next construction stage.

Controls and evidence

Operate to a project-defined control plan.

  • Confirm the carrier or power-unit configuration before mobilisation.
  • Maintain a defined work zone and exclusion arrangement around the operating equipment.
  • Stop and review if ground conditions, access or the intended work sequence changes.
  • Use project-specific supervision, risk controls and acceptance requirements in addition to equipment operating guidance.

Verification planning

Decide the project acceptance route before the work starts.

Keep work records separate from final acceptance evidence: machine activity can document the process, while acceptance follows the project specification.

Link the verification result to the next construction decision rather than relying on a generic machine claim.

Relevant equipment

Connect the method to the right equipment discussion.

CMG compaction equipment video centre

Video centre

Review CMG equipment media.

Available CMG video material supports early equipment research and project discussions. Final configuration remains subject to the project review.

Visit the CMG Impact Compactor video centre

Engineering FAQ

Questions to resolve before an RFQ.

What does a RIC RFQ need?

Include material condition, working area, application, access constraints, carrier or equipment available, target programme and required acceptance route.

Is RIC selected only by energy value?

No. Selection also depends on access, carrier configuration, working pattern, material response and project acceptance requirements.

Can RIC be used where access is constrained?

A constrained site may be a reason to assess a hydraulic route, but carrier reach, safe operating space and exclusion controls must be confirmed for the project.

How is RIC work verified?

The project specification defines verification. Process records can support the work history but do not replace the specified acceptance route.

Project RFQ

Tell us what the ground needs.

Share the project conditions and the CMG team can discuss a suitable equipment route.