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Local exhaust ventilation thorough examination

Face velocity is the whole point of the system and it is a number you can watch every day. The 14-month examination is still the law; the continuous reading is what stops a blocked hood going unnoticed for a year.

What does a local exhaust ventilation thorough examination involve?

Local exhaust ventilation thorough examination checks: face velocity at the hood (m/s), duct static pressure, filter differential pressure, fan speed. Observed by anemometer for face velocity, pressure transducer for continuous duct pressure; competent person for the examination. Thorough examination and test at least every 14 months is set by COSHH regulation 9 in the UK; equivalent hazardous substances rules apply elsewhere.

statutory
the interval is set by law or a statutory code and stays on the calendar
Anemometer for face velocity, pressure transducer for continuous duct pressure; competent person for the examination
how the condition is observed
HVAC
asset class
Condition that replaces the interval
Partly. Static pressure or face velocity at each hood can be monitored continuously and alarmed; the thorough examination and test by a competent person stays.
Reading that proves it
Face velocity at the hood (m/s), duct static pressure, filter differential pressure, fan speed
Why the interval stays
Thorough examination and test at least every 14 months is set by COSHH regulation 9 in the UK; equivalent hazardous substances rules apply elsewhere.
Evidence an auditor accepts
Thorough examination report per system with the face velocity per hood against the design value
First move
Fit a static pressure gauge or sensor on each system and record the design value on the label next to it.

What it is evidence for

Clause references from the published standards text. A clause marked reference is named, not reproduced.

Statutory intervals that must stay on the calendar ISO 45001:2018 9.1.2 · ISO 45001:2018 6.1.2.1 · ISO 45001:2018 8.1.2 · ISO 45001:2018 8.1.4.2 · ISO 55001:2014 4.2 · ISO 55001:2014 8.1
ISO 45001:2018 9.1.2 Evaluation of compliance

The organization sets up, runs and keeps processes for evaluating whether it complies with legal and other requirements. It decides how often and by what methods compliance is evaluated, carries out the evaluation and acts where needed, keeps up its knowledge and understanding of where it stands on compliance, and reta...

Evidence an auditor accepts: Compliance evaluation schedule and method; Compliance evaluation reports with status per requirement; Actions raised for non-compliances
ISO 45001:2018 6.1.2.1 Hazard identification

Set up, run and keep a hazard identification process that is continuous and looks ahead. The process shall take into account: social factors and the way work is organized; activities that are routine and those that are not; incidents that have happened before; possible emergencies; people, including workers, contractor...

Evidence an auditor accepts: Documented hazard identification procedure; Hazard registers by site and activity; Job hazard analyses / task risk assessments
ISO 45001:2018 8.1.2 Eliminating hazards and reducing OH&S risks

The organization sets up, runs and keeps processes for removing hazards and lowering OH&S risks by working down the hierarchy of controls: first remove the hazard; next replace it with processes, operations, materials or equipment that are less hazardous; then apply engineering controls and reorganize the work; then ap...

Evidence an auditor accepts: Risk assessments showing controls selected in hierarchy order with justification; Engineering control records (guarding, ventilation, isolation); Evidence elimination and substitution were considered before administrative controls and PPE
ISO 45001:2018 8.1.4.2 Contractors

The organization aligns its procurement processes with its contractors so that hazards are identified and the OH&S risks are assessed and controlled where they come from three sources: contractor activities and operations that affect the organization; the organization's own activities and operations that affect contrac...

Evidence an auditor accepts: Contractor selection criteria including OH&S performance; Pre-work hazard exchange and risk assessments between the organization and contractors; Contractor induction and monitoring records
ISO 55001:2014 4.2 Understanding the needs and expectations of stakeholders

The organization identifies which stakeholders are relevant to its system for managing assets, and what they require and expect from asset management; it sets the criteria it will use to make asset management decisions; and it identifies what stakeholders require in the way of recorded financial and non-financial infor...

Evidence an auditor accepts: Stakeholder register naming each party and its requirements; Documented decision-making criteria for asset management; Financial and non-financial reporting requirements per stakeholder
ISO 55001:2014 8.1 Operational planning and control

The organization plans, carries out and controls the processes needed to satisfy requirements and to deliver three things: the asset management plans set out under 6.2, the actions on risks and opportunities decided under 6.1, and the preventive and corrective actions decided under clauses 10.1 and 10.2. It does so by ...

Evidence an auditor accepts: Procedures and work instructions for life-cycle activities (acquire, operate, maintain, renew, dispose); Process criteria and performance measures; Work records demonstrating activities carried out as planned

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