The document that records an explosive atmosphere, in one chain
The module keeps in one file the zone classification of places where an explosive atmosphere may occur, the ignition sources, the technical and organisational controls applied, and the conformity records of the equipment used inside the zone.
This page is written for the team that prepares the document, and has to keep it current, at a workplace with an explosive atmosphere.
What it does
The document is not a text written once and shelved; it changes as zones, equipment and controls change. The module ties that change to the record.
- Zone classification stays in the recordSeparate zones are defined for gas, vapour and dust; the reasoning, the boundary and the drawing reference of each zone are tied to the same record.
- Ignition sources are listed one by onePossible ignition sources are enumerated zone by zone, and each one carries the control applied to it and the person responsible for that control.
- Equipment is matched to its zoneThe marking, temperature class and gas group of equipment used in a zone are recorded and compared with the category the zone calls for.
- Controls carry an owner and a dateEvery technical and organisational control is tied to a responsible person and a date; a control that is not closed stays visible as an open item of the document.
- Revision history is keptWhen a zone, a piece of equipment or a process changes, the document takes a new revision; the previous one is not deleted and stays comparable.
How it connects
The document does not stand alone; the resources and modules below are part of the same chain.
- ATEX topic hubThe reference page that collects explosive atmosphere terminology and duties.
- When the document comes into playA short answer on who is expected to prepare the document, and in which situation.
- What the document containsA breakdown of the headings the document is expected to carry.
- Ex equipment guideA guide to the marking and selection of equipment used inside the zone.
- Risk assessment moduleExplosion risk is not run apart from the workplace's overall risk assessment.
Keeping the document alive
The worth of an explosion protection document shows not on the day it is prepared but for as long as it matches the situation on site. The moment the zone drawing and the equipment in the field drift apart, the document turns into an archive text.
The module therefore keeps the document not as a single output but as the union of zone, equipment, control and owner records. The output is produced from those records.
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Let us look together at how your zone classification and equipment records would be carried over.
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