Soil Compaction Verification Checklist
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Project Information
Details pertaining to the project and the compaction verification activity.
Project Name
Project Location
Contractor
Verification Date
Job/Drawing Number
Area Verified
Area Description (if 'Other' selected above)
Site Preparation & Material Verification
Confirming that site preparation has been done correctly and the fill material meets specifications.
Fill Material Source
Material Moisture Content (%)
Material Type Verified?
Gradation Test Results - % Passing #200 Sieve
Material Test Report (e.g., Lab Report)
Topsoil Stripping & Stockpiling?
Describe any deviations from the approved fill material specifications or procedures.
Equipment Calibration & Setup
Ensuring the compaction equipment is properly calibrated and configured.
Compaction Equipment Type (e.g., Plate Compactor, Roller)
Compaction Equipment Manufacturer
Compaction Equipment Model Number
Calibration Frequency (in days/weeks/months)
Last Calibration Date
Vibration Frequency (Hz) - if applicable
Roller Amplitude (mm) - if applicable
Calibration Method (e.g., Standard Weight, Deflection)
Calibration Certificate (upload file)
Compaction Testing Procedures
Outlines steps taken to perform compaction testing.
Compaction Method Used:
If 'Other' method selected, please specify:
Number of Tests Performed:
Test Location (Coordinates/Description):
Moisture Content (Initial):
Moisture Content (Final):
Density (Dry Density):
Number of Passes (for each test):
Date of Test:
Time of Test:
Test Results & Analysis
Recording compaction test results and verifying they meet specified requirements.
Moisture Content (%)
Dry Density (lbs/ft³ or kN/m³)
Compaction Level (%) of Maximum Dry Density
Testing Standard Used (e.g., ASTM, AASHTO)
Observations during testing (e.g., visible segregation, layering)
Does the result meet specification?
Attach Test Lab Report (if applicable)
Number of Tests Conducted
Corrective Actions (If Required)
Documentation of any corrective actions taken to achieve required compaction.
Describe the observed compaction deficiency.
Detail the proposed corrective action plan.
Estimated Volume of Material Requiring Recompaction (CY/m³)
Date Corrective Action Started
Date Corrective Action Completed
Description of equipment adjustments or modifications made.
Reason for Compaction Failure (Select one)
Upload Photos/Videos Documenting Corrective Actions
Signature of Person Implementing Corrective Action
Sign-Off & Approvals
Certification that compaction verification has been completed to required standards.
Project Name
Verification Date
Verification Time
Field Engineer Signature
Quality Control Supervisor Signature
Verification Status
Comments / Notes (if applicable)
Job Number/Reference
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