Inspection and Test Plan for Method Statement: Cleaning, Disinfection, and Chlorination of Domestic Water Storage Tanks and Distribution Piping
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 chlorination and water quality verification are executed and documented to recognized standards and project requirements.
Who uses this inspection and test plan
Contractor’s site engineers, chlorination specialists, HSE supervisors, and the Engineer/Client for witnessing and acceptance.
When this ITP is prepared and submitted
After mechanical completion and pressure testing, prior to commissioning and handover of the potable water system.
Who receives or approves this ITP
Engineer/Client Representative; local Water Authority if required.
Inspection scope
Permits and CSE, isolation, cleaning, pre-flush, dosing, contact periods, dechlorination, final flushing, sampling, and lab result review.
Typical hold, witness, and review points
CSE permit issue; dosing calculation check; dechlorination/discharge authorization; sampling event; final acceptance review.
Typical inspection records
Permits, logs (FCR/pH/turbidity), dosing sheets, calibration certificates, CoC, lab reports, NCR/CAR records, and handover dossier.
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 |
|---|---|---|---|---|
| Method statement/ITP approval | Approval | Approved prior to work start. | Contractor/Engineer | Approved Method & ITP |
| Permits and CSE set-up | Checklist | Valid PTW/CSE; rescue equipment ready. | Contractor/HSE | PTW; CSE Permit; Gas Log |
| Isolation and drain-down | Zero pressure/flow | Isolation boundaries secured; LOTO applied. | Contractor | Isolation Log |
| Mechanical cleaning (tank) | Cleanliness check; rinse turbidity | No visible debris; rinse turbidity ≤5 NTU [Verify]. | Contractor | Cleaning Log; Photos |
| Pre-flush of mains | Flow/turbidity checks | Velocity 1.0–1.5 m/s [Verify]; turbidity trend decreasing to ≤1–5 NTU [Verify]. | Contractor | Flushing Log |
| Chlorine dosing—stock solution | Concentration verification | Stock within ±10% of target; CoA recorded. | Contractor | Dosing Calc Sheet; CoA |
| Tank disinfection contact period | FCR monitoring | Initial 50±10 mg/L; end ≥25 mg/L [Verify per AWWA C652]. | Contractor | Tank Disinfection Log |
| Pipework disinfection contact period | FCR monitoring at extremities | Residuals per chosen AWWA C651 method maintained. | Contractor | Main Disinfection Log |
| Dechlorination and discharge | FCR and pH at discharge | Residual below authority limit; pH 6–9. | Contractor | Dechlorination Log; Permit |
| Final flushing | FCR/turbidity/pH checks | FCR 0.2–0.5 mg/L; turbidity ≤1 NTU; pH 6.5–8.5 [Verify]. | Contractor | Final Flush Log |
| Sampling (field) | ISO 19458 compliance | CoC complete; temp 2–8 °C; hold times met. | Contractor/Lab | Sampling Sheets; CoC; Cooler Log |
| Laboratory results review | Results against criteria | E. coli 0/100 mL; Total Coliform 0/100 mL; HPC and others within limits [Verify]. | Engineer/Contractor | Lab Reports; Acceptance Memo |
| Handover documentation | Completeness check | All records submitted and accepted; NCRs closed. | Contractor | Handover Dossier |
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: Cleaning, Disinfection, and Chlorination of Domestic Water Storage Tanks and Distribution Piping 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: Cleaning, Disinfection, and Chlorination of Domestic Water Storage Tanks and Distribution Piping method statement →Continue with related inspection, method statement, article, and checklist resources.
