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Road Base Inspection Report
Document compaction tests, material quality, and layer condition for road base construction. Use our online template to record test results and photos.
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Take photos of the object in the mobile app, complete the inspection report from the template, and download the finished photo report as Word or PDF.
Inspection report
Complete the document from this template: sections, fields, photo documentation, and signatures.
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Review the structure, sections, and fields before proceeding to fill out the document.
Road Base Inspection Report
No.RBIR-2026-0053
1. General Information
The general information about the inspection, including date, location, and purpose, is provided below.
| Inspection date | 7/14/2026 | Address | Chainage 2+500 to 3+000, Highway 66 Expansion Project |
| Basis for inspection | Construction quality control |
The inspection was carried out to assess the current state of the roads and identify any deficiencies.
2. Object of Inspection
The object of inspection is the road network, including its structural elements and associated infrastructure.
| Object name | Base Course |
The inspected road sections are identified and their boundaries are defined in the attached documentation.
3. Material Quality
The main parameters of the roads, such as length, width, and surface type, were determined based on design documentation and field measurements.
| Material Source | Quarry A, crushed granite | Gradation Test | Passing #4 sieve: 55% |
| Plasticity Index | 6 |
The measured parameters are within the expected ranges for this class of road.
4. Compaction Testing
Additional parameters, including traffic signs, markings, and drainage features, were recorded during the inspection.
| Compaction Test 1: 98.2 | Compaction Test 2: 97.5 |
| Moisture Content: 8.3 |
The additional parameters were found to be in satisfactory condition, with minor discrepancies noted.
5. Layer Defects
Document any defects observed on the base layer surface.
| No. | Damage description | Photos |
|---|---|---|
| 1 | - | not filled in |
6. Additional Information
Provide overall acceptance decision and recommended actions if not accepted.
| Identification was carried out | Road Base Inspection Report |
| There are remarks | Overall acceptance: Conditionally Accepted. Compaction test results satisfactory, but surface unevenness noted. Recommend light grading before next layer. |
7. Inspection Participants
List the inspector, contractor representative, and client representative involved.
| No. | Full name | Position / status | Comment |
|---|---|---|---|
| 1 | Michael Torres | Inspector | Lead inspector |
| 2 | John Davis | Contractor Representative | Site supervisor |
| 3 | Anna White | Client Representative | Project engineer |
Signatures
Collect signatures from the inspector, contractor, and client to validate the report.
______________________________
Michael Torres, Construction Inspector
______________________________
Michael Torres
______________________________
John Davis
______________________________
Anna White
Report
Purpose and Procedure for Drafting the Document
What is a Road Base Inspection Report?
A road base inspection report records the results of compaction testing and material quality assessment for road base layers during construction. It ensures the base meets specifications before further layers are placed.
Why Use an Online Template?
Our online template provides a structured format for recording material source, gradation, compaction test results, and layer condition. You can add multiple test locations and attach photos.
Key Features of the Template
The template includes sections for inspection details, material quality, compaction testing with repeatable entries, layer condition, findings and recommendations, and signatures for inspector, contractor, and client.
Road Construction Projects
Contractors and inspectors use this report to verify that base layers are compacted to the required density and material quality meets specifications.
Quality Assurance Programs
Quality assurance teams rely on compaction test results and material assessments to ensure construction compliance.
Contractual Acceptance
The report serves as evidence for acceptance of base layers by the client or road authority before proceeding to subsequent layers.
Dispute Resolution
If disputes arise over construction quality, the inspection report provides documented test results and observations.
Project Documentation
The report becomes part of the project record, supporting future maintenance and asset management.
- 1
Prepare for Inspection
Record project name, location, layer type, and material source.
- 2
Test Material Quality
Optionally record gradation test results and plasticity index for the base material.
- 3
Perform Compaction Tests
For each test location, record test method, maximum dry density, field density, compaction percentage, and moisture content.
- 4
Inspect Layer Condition and Finalize
Document surface condition and defects, then provide overall acceptance decision. Add signatures and export the report.
Photo Report Generator
Compile photos of the base layer condition and testing process into a photo report to support your inspection findings.
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Capture layer photos and test setup images on-site with the mobile app, automatically linking them to the inspection report.
Mobile AppDocument Sections
Click a section to jump to it in the sample document.
General Information
The general information about the inspection, including date, location, and purpose, is provided below.
Object of Inspection
The object of inspection is the road network, including its structural elements and associated infrastructure.
Material Quality
The main parameters of the roads, such as length, width, and surface type, were determined based on design documentation and field measurements.
Compaction Testing
Additional parameters, including traffic signs, markings, and drainage features, were recorded during the inspection.
Layer Defects
Document any defects observed on the base layer surface.
Additional Information
Provide overall acceptance decision and recommended actions if not accepted.
Inspection Participants
List the inspector, contractor representative, and client representative involved.
Signatures
Collect signatures from the inspector, contractor, and client to validate the report.
Document Fields and Columns
General Information
- Inspection date
- Date when the inspection was performed.
- Address
- Specific location of the base layer (e.g., chainage, station).
- Basis for inspection
- Name of the construction project.
Object of Inspection
- Object name
- Layer type (e.g., subbase, base course).
Layer Defects
- No.
- Sequential number for each defect entry.
- Element
- Component of the base layer affected.
- Defect
- Type of defect observed (e.g., rutting, erosion).
- Damage description
- Detailed description of the defect.
- Photos
- Photographic evidence of the defect.
Inspection Participants
- No.
- Sequential number for each participant.
- Full name
- Full name of the participant.
- Position / status
- Role or title of the participant.
- Comment
- Any additional comments regarding the participant.
Frequently Asked Questions about Photo Reports and Photo Tables
What types of base layers can be inspected?
The template supports subbase and base course layers. You can select the appropriate layer type from the dropdown.
What compaction test methods are supported?
The template includes nuclear gauge and sand cone methods, with an option for other methods. You can record the method used for each test.
How is compaction percentage calculated?
Compaction percentage is calculated as (field density / maximum dry density) * 100. The template automatically computes this if you enter both values.
Are photos required for the layer condition?
Photos are optional but recommended to document the surface condition and any defects observed.
Who needs to sign the report?
The inspector and contractor representative signatures are required. The client signature is optional but can be added for formal acceptance.
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