ITP Template
Utility Installation Inspection & Test Plan
Comprehensive ITP for water, sewer, gas, and conduit installation.
About Utility Installation ITPs
Utility installation requires careful quality control for both structural integrity and service performance. ITPs cover trenching through to testing and commissioning.
- Water main installation and testing
- Sewer and pressure sewer systems
- Gas main installation
- Electrical and communications conduits
- Pit and manhole construction
- Service connections
Applicable Standards
- WSA 02 - Water supply code
- WSA 03 - Sewerage code
- AS 4799 - Installation of underground utility services
- Authority requirements - SA Water, Unity Water, etc.
Typical Hold Points
| Activity | Verification | Standard |
|---|---|---|
| Trench excavation | Depth, width, shoring | AS 4799 |
| Pipe bedding | Material, thickness, compaction | WSA 02 |
| Pipe laying/jointing | Grade, alignment, joint integrity | WSA 02/03 |
| Pressure testing | Test pressure, duration, allowable loss | WSA 02 |
| Backfill compaction | Layer thickness, density testing | Project spec |
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