My Local Exhaust Ventilation System isn’t Working

In this expert guide the air quality team at WTS consider some of the common problems associated with the selection and operation of Local Exhaust Ventilation systems.

The guide looks at the most common mistakes made when buying, installing and operating LEV system, and how good maintenance, auditing and testing practices can improve performance.

What’s wrong with my Local Exhaust Ventilation system?

Responsible employers often invest in expensive Local Exhaust Ventilation (LEV) systems in an attempt to protect the health of their employees.

Sometimes, after the installation of the LEV is complete, the business owner then discovers that the ventilation system isn’t doing the job it was bought for.

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This might be because the incorrect system has been purchased, it hasn’t been fitted properly, or it isn’t being maintained effectively.

Common Local Exhaust Ventilation mistakes

Here are some of the most common mistakes people make when buying Local Exhaust Ventilation systems, and how to avoid making the same expensive errors.

Which Processes Need LEV?
Not identifying where the need is greatest – what aspects of the work in your operation cause exposure to dust or fumes?
Detailed Specification
Not putting together a detailed brief for a LEV supplier.
Buying the Wrong LEV System
Buying the wrong type of LEV system to deal with the issues your business experiences.
Poor Installation
Not installing the LEV properly, and checking that it works.
Lack of Airflow Indicators
Not fitting airflow indicators to the LEV to make sure it carries on working properly.
No Logbook or User Manual
Not getting a maintenance log book and user manual from the installer.

Maintaining your LEV systems properly

Once the ventilation system has been installed, that’s just the start of the process.

Any LEV system needs to be routinely maintained and managers need to make sure that it carries on working well to keep people safe from harm.

It’s important that operators put management systems in place to tackle this – the exact method will depend on your business but it should be a formal written plan.

Make sure everyone is aware of processes and procedures, and follow the maintenance schedule recommended by the LEV manufacturer or installer.

If something goes wrong, get the repairs done as soon as you can.

System audits and LEV testing

It’s important that you schedule in an annual audit of your Local Exhaust ventilation systems.

Ask external professionals such as the air quality team at WTS to come in and fully test the system, or train up your own staff to do the job.

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Get a written report on the performance and overall efficiency of the system.

Use this as the basis for ongoing maintenance and repairs until the next annual LEV audit.

Specialist Local Exhaust Ventilation inspection solutions

WTS offer a comprehensive range of LEV testing and exhaust ventilation inspection solutions to support business owners and operators.

Our experts can provide advice and support to help you identify the most appropriate strategies for the on-going management of your LEV systems.

With offices in London serving the South and South East England, Manchester (North West), Birmingham (Midlands), Bristol (South East England and Wales), Leeds (North and North East) and Glasgow (Scotland), supported by regional teams of specially trained technicians, in-field specialists and consultants we can offer professional, cost effective indoor air quality solutions across the whole of the UK and internationally.

Contact us today to learn how our expert LEV testing and inspection solutions can help you keep your staff and other people safe.