News - Vohon Petrochemical

Coordinating Tank Replacement and Piping Renewal on One Schedule

Replacing storage tanks and renewing dispenser piping in the same project saves money only if the sequence is planned. The wrong order forces re-work, temporary capping and double mobilization of crews. Excavation as Shared Groundwork Tank removal opens large ground areas that piping trenches need to cross anyway. Set the tank excavation boundaries with the […]

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Pressure Testing Vapor Recovery Lines: Test Media, Duration and Acceptance Criteria

A vapor recovery line that passes a proper pressure test gives the station owner years of quiet service. One tested carelessly gives intermittent balance complaints that no one can trace. Choosing the Test Medium Inert gas is the standard choice. Compressed air works where regulations allow, but moisture in the line during cold weather can

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As-Built Drawings for Buried Fuel Lines: What to Record Before Backfilling

The last chance to document a buried composite pipe run accurately is the moment before backfill begins. Photographs taken later through excavation cost far more than notes taken now. Joint Map with Coordinates Every electrofusion coupling, mechanical transition and branch tee should appear on a sketch tied to fixed site references. Distances from dispenser islands

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Reading Soil Reports Before Trenching: What Composite Pipe Installers Should Check

Before an excavator touches the site, the soil report already answers questions that decide how a composite fuel pipe trench performs for years. Skipping it turns those answers into surprises during backfill and testing. Bearing Capacity and Trench Bottom Stability The report states allowable bearing values for native soil. Soft or organic layers noted in

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Contractor Availability Shapes Station Piping Project Timelines More Than Hardware Does

When a station piping project slips, the first suspicion falls on hardware lead times. In practice, contractor availability is the constraint that decides more completion dates than manufacturing does. Composite piping systems, fittings and vapor recovery units are produced on schedules that buyers can see and plan around, while qualified installation crews are booked in

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