Natural gas supply station — reducer connection

Field Reality

A reducer connection at a natural gas supply station was leaking. Leak-detection liquid applied to the connection produced visible bubbles. The position of the connection within the station left very little working clearance around it.

Bubble-test evidence at the reducer connection. The escape is visible rather than audible in this Field.

Key verified Field facts

Medium: Natural gas operator-reported service
Asset: Reducer connection at a gas supply station operator-reported
Geometry: Reducer transition with limited working clearance around the connection observed in the Field record
Field condition: Leak confirmed by leak-detection liquid producing visible bubbles at the connection observed in the Field record
Dominant hazard / constraint: Escaping natural gas at a connection with constrained construction access observed in the Field record

Resulting ISB

An ISB was constructed around the reducer connection within the available clearance, and armoured protection was installed over the completed body.

ISB formed over the reducer connection. — The ISB constructed around the reducer geometry.

Field inspection of the completed ISB at the gas supply station. — Field inspection of the completed body. This records inspection activity; no acceptance-test outcome is published for this Case.

Armoured protection installed over the completed ISB. — Armoured protection installed over the completed body.

Case boundary

This Case records one unique Field Reality. It is not a construction instruction and not a template. A Solution developed for one Field must not be copied into another Field without new DendroSeal Understanding.

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