Inspection and Test Plan for Method Statement: Construction and Installation of External Drainage Manholes, Inspection Chambers, and Gully Traps
AI-assisted inspection and test plan connected to a method statement, with PDF and Excel export.
More than a static template
Unlike a downloadable Word or PDF template, this ITP is an AI-assisted editable starting point directly connected to its method statement. Every inspection activity, hold point, and acceptance criterion is structured and ready to adapt to your project.
- AI-assisted customization — Tailor inspection activities and acceptance criteria to your specific project scope.
- Linked method statement — This ITP is connected to the corresponding method statement describing the work sequence.
- Multiple export formats — Download as a formatted PDF or editable Excel spreadsheet.
- Editable starting point, not a final document — Review and verify all content against your project specifications and standards before use.
What you can customize
When you save this ITP to your account, every inspection row becomes editable. You can add, remove, or modify:
- Inspection activity — Description of what is being inspected.
- Inspection type — Hold point (H), Witness point (W), Review (R), or Monitor (M).
- Responsibility — Contractor, subcontractor, engineer, or client.
- Frequency — How often the inspection occurs.
- Acceptance criteria — Referenced standard or specification requirement.
- Records — Forms, test reports, or checklists required as evidence.
Why this ITP is used
To ensure drainage access structures meet design, safety, and watertightness requirements with traceable QA/QC records.
Who uses this inspection and test plan
Contractor engineers, QA/QC staff, the Engineer/Client’s Representative, and independent testers.
When this ITP is prepared and submitted
From pre-start through final handover, with hold/witness points at critical construction and testing stages.
Who receives or approves this ITP
Engineer/Client’s Representative
Inspection scope
Survey, excavation/support, foundation, precast assembly, pipe connections, benching, drop pipes, frame and cover installation, backfilling, testing, and CCTV.
Typical hold, witness, and review points
Hold: pre-pour base, frame/cover setting, watertightness test, pre-reinstatement. Witness: ring jointing, pipe connections, benching.
Typical inspection records
Inspection requests, test certificates (concrete, density, watertightness), material certs, permits, calibration logs, photos, CCTV reports, and as-builts.
Important approval note
This ITP is an AI-assisted editable starting point, not a pre-approved document. Before use on any project, all inspection activities, hold points, and acceptance criteria must be reviewed and approved by the relevant parties (superintendent, principal contractor, or client representative) in accordance with your contract and project quality plan.
Always verify acceptance criteria against your applicable drawings, specifications, and regulatory requirements. Hold points must be confirmed with the relevant authority before work proceeds past that point.
Inspection and test plan
| Activity | Inspection / Test | Acceptance Criteria | Responsibility | Record |
|---|---|---|---|---|
| Pre-start approvals | Verify approvals: MS/ITP, drawings, permits, material submittals | All approvals in place and current | PM/QA-QC/Engineer | Approval register / permits |
| Survey and setting out | Check coordinates, levels, benchmarks; instrument calibration | Within specified tolerances (±10 mm plan, ±5 mm level) | Surveyor/Site Engineer | Survey report; calibration certs |
| Excavation and support | Excavation dimensions; shoring compliance; permit to dig | Stable excavation; support per design; exclusion zones in place | Construction Manager/TWC/Engineer | Excavation checklist; permit; photos |
| Formation and blinding | Formation level/condition; blinding thickness and finish | Formation sound; blinding 50–75 mm, level ±10 mm | Site Engineer/QA-QC/Engineer | IR; photos; concrete delivery tickets |
| Base concrete (if in-situ) / Precast base placement | Rebar (if any), dimensions; concrete slump and cubes | Concrete grade per spec; slump within target; cubes pass strength | QA-QC/Engineer | Cube results; pour card |
| Ring installation and jointing | Seal continuity; verticality; joint step | Verticality ≤1:400; joint step ≤10 mm; seals intact | QA-QC/Engineer | IR; photos |
| Pipe connections and penetrations | Core/drilled openings; connectors; invert/gradient | Inverts ±10 mm; gradient within −0/+0.1% [Verify] | QA-QC/Engineer | IR; as-built levels |
| Drop pipe arrangement | Bracket fixing; encasement thickness | Per design; encasement cover ≥150 mm [Verify] | QA-QC/Engineer | IR; photos |
| Benching and channels | Finish and slope check; junction radii | Smooth finish; bench fall 1:10–1:12; no ponding | QA-QC/Engineer | IR; photos |
| Frame and cover installation | Level vs. finished surface; bedding mortar support | Carriageway flush ±3 mm; no rocking; correct class (EN 124) | QA-QC/Engineer | Level records; product certs |
| External waterproofing (if specified) | Coverage/DFT or continuity | Per manufacturer’s datasheet; no holidays | QA-QC/Engineer | QA checklist; datasheet |
| Backfilling and compaction | Layer thickness; density testing | Compaction ≥95–98% MDD [Verify]; layers 150–250 mm | QA-QC/Engineer | In-situ density reports |
| Watertightness testing | Water exfiltration test per BS EN 1610 (or vacuum per ASTM C1244) | Meets standard limits [Verify] | QA-QC/Engineer/Engineer | Test certificate; gauge calibration |
| CCTV survey (if required) | CCTV per project procedure | No defects beyond allowable grades | Specialist/Engineer | CCTV report/video |
| Final inspection and as-builts | Visual inspection; levels; documentation completeness | All works compliant; records complete; site cleared | Site Engineer/QA-QC/Engineer | Punchlist close-out; as-built drawings |
This table is a read-only public reference. Download the PDF or Excel version, or customize this ITP to edit it for your project.
Frequently asked questions
Related method statement
This Inspection and Test Plan is associated with the Method Statement: Construction and Installation of External Drainage Manholes, Inspection Chambers, and Gully Traps method statement, which describes the step-by-step construction sequence, resources, materials, equipment, safety controls, and environmental controls for this activity.
View the Method Statement: Construction and Installation of External Drainage Manholes, Inspection Chambers, and Gully Traps method statement →