QUALITY — AS/NZS 4130
HDPE ITP — Inspection & Test Points
Shark Bay Bitterns · Field Piping Installation
DTL-PRJ0072-ITP-001
Rev A
Rev A
H Hold — work stops until released
W Witness — attend if electedR Record only
Change the DTL column if needed; SBR sets its own SBR hold/witness points; sign each point as it clears.
| No. | Activity | Acceptance criteria | Reference | Record | DTL | SBR | Signed / date |
|---|---|---|---|---|---|---|---|
| 1.0 Material receival & storage | |||||||
| 1.1 | Delivery inspection | Pipe/fittings free of transit damage, gouges >10% wall, UV degradation. | AS/NZS 4130 | Receival log | |||
| 1.2 | Certification check | CoC & AS/NZS 4130 compliance certificate present; batch/heat recorded. | SOW MDR | Traceability record | |||
| 1.3 | Storage | Supported, shaded, no point loads; UV protection if >12 months. | Mfr guidance | — | |||
| 2.0 Butt fusion jointing | |||||||
| 2.1 | Machine set-up | Correct clamps/inserts; faces aligned; drag pressure recorded. | AS/NZS 4130 App. | Weld register | |||
| 2.2 | Heater plate temp | Plate temperature within approved range, verified each shift. | TEM-0003 | Heater Plate Check | |||
| 2.3 | Fusion parameters | Heat-soak, fusion & cooling times/pressures to approved parameters. | TEM-0003 | Weld register | |||
| 2.4 | Bead inspection | Twin uniform beads, correct width, no mismatch >10% wall; cooled undisturbed. | AS/NZS 4130 | Weld register | |||
| 2.5 | Weld numbering | Each joint numbered and located on the weld map. | QMP | Weld map | |||
| 3.0 Installation | |||||||
| 3.1 | Stringing & alignment | Route, bend radius ≥ mfr minimum, no kinks; support. | Drawing | ITP sign-off | |||
| 3.2 | Road crossings / cover | Depth, sleeve/casing and cover to drawing. | Drawing | ITP sign-off | |||
| 3.3 | Earth mounding | Profile and compaction to drawing. | Drawing | ITP sign-off | |||
| 4.0 Connections | |||||||
| 4.1 | Flanged / mechanical joints | Alignment, gasket, bolt torque to spec; connection recorded. | Mfr spec | Connection record | |||
| 4.2 | ARV, tie-ins, standpipes, scour | Fit, orientation, function to drawing. | Drawing | ITP sign-off | |||
| 5.0 Testing & handover | |||||||
| 5.1 | Pressure / leak test | Test pressure, hold time and acceptance to approved test procedure. | AS/NZS 4130 / spec | Test certificate | |||
| 5.2 | Weld map complete | All welds mapped and cross-referenced to the register. | QMP | Weld map | |||
| 5.3 | Records & MDR | All ITP points signed, NCRs closed, MDR compiled. | SOW MDR | MDR | |||
Hold points (H) stop the work until released. Witness points (W) let SBR attend;
work may proceed if SBR elects not to. SBR completes the SBR column at the ITP review; all completed
records form part of the Manufacturers Data Report.
PREPARED / ISSUED — DTL
ACCEPTED — SBR