Hydro-pneumatic accumulator 104
Pressure vessel / air receiver · reassessed every 12 months · criticality A
Findings on the current assessment
from A-1007 · methodology v4.2External corrosion has progressed to the point where remaining wall thickness cannot be assumed.
Action Arrange ultrasonic thickness testing at the affected areas and compare against the minimum design thickness before the next fill.
Structural failure under load · due 2026-03-14 · API 510 §6.3
A visible defect is present in a pressure-retaining weld.
Action Isolate the vessel and arrange non-destructive examination of the affected seam.
Structural failure under load · due 2026-03-07 · API 510 §5.5
The vessel cannot be traced to its registered design data from markings on the equipment.
Action Recover the design registration from the plant register and fit a durable replacement plate carrying the registration number and MAWP.
Loss of design or inspection traceability · due 2026-04-29 · AS/NZS 3788 §4.4
There is not enough clear space to inspect, isolate or escape from the vessel position.
Action Clear and mark the working space around the vessel.
Access, egress and emergency response impaired · due 2026-04-29 · ISO 12100 §6.2.7
Assessment history
Historical assessments keep the methodology version they were completed under. Re-scoring old records against a newer version is an explicit action, never a side effect of publishing.
Asset record
- Tag
- NG/PV-104
- Asset id
- PV-104
- Class
- Pressure vessel / air receiver
- Manufacturer
- Halcyon Tank
- Model
- A116
- Serial
- 92943-14
- Installed
- 2007-06-01
- Facility
- Northgate Works, Ardmore Industrial Estate
- Area
- Line 4
- Facility manager
- H. Vance
- Criticality
- A
What this class is assessed on
- Identification and records5 questions · photo + image analysis
- Pressure relief5 questions · photo + image analysis
- External condition4 questions · photo + image analysis
- Instrumentation and surrounds4 questions
16 active rules · 9 vision cues.