Blog Posts by Roy Sullivan

Roy Sullivan

Roy has extensive experience in legal and statutory standards, along with clinical guidelines, corporate governance and industry best practice across many disciplines, including Fire, Water, Medical and Natural Gas, Ventilation, Boiler and Pressure systems and power systems.

Recent Posts

Pipework Sizing; Why does it matter when controlling Legionella?

by Roy Sullivan, on 11-08-2023

When carrying out a project that involves installing domestic hot and cold-water systems, be it a refurbishment or a new build, the hot and cold pipework must be sized correctly for the system to...

Expansion Vessels and Legionella risk

by Roy Sullivan, on 03-08-2023

Expansion vessels are an important integral part of pressurised hot and cold-water systems, particularly in larger systems such as hospitals. They can also be referred to as pressure vessels or...

Legionella record keeping using software.

by Roy Sullivan, on 25-05-2023

Water Hygiene Guidance When managing Legionella and other waterborne pathogens we must keep concise, accurate records of all our activities. HSG274 Part 2 sections 24 – 26 and HTM04-01 Part B Para...

Legionella Risk - Contractor Competency for Schools

by Roy Sullivan, on 18-05-2023

For this Blog, we will primarily be talking about water safety; i.e. Legionella preventative maintenance or carrying out Legionella risk assessments.

Legionella sampling: Part 3 - Testing methods & what next?

by Roy Sullivan, on 07-03-2023

As a recap on the firstand second parts of this blog series on sampling, we’ve already covered; sampling strategy, taking a water sample and the chain of custody. In this final blog of the series,...

Legionella sampling: Part 2 - technique & chain of custody

by Roy Sullivan, on 13-12-2022

Last week we looked at the planning process required before any samples are taken. This week we get down to the ‘nuts and bolts’ of bottle filling.

Sampling 1: Considerations for your water sampling strategy

Legionella sampling: Part 1 - What's your sampling strategy?

by Roy Sullivan, on 06-12-2022

Sampling of water systems for Legionella, Pseudomonas aeruginosa or bacteriological can be somewhat daunting, with thoughts of ‘do I need to sample’, ‘how to take a sample’ and ‘where should I send...

Legionella Incident Investigation – What’s involved?

by Roy Sullivan, on 21-10-2022

Sampling for Legionella should be routinely carried out as indicated by your Legionella risk assessment. A sampling plan can then be created. BS8554 and BS7592-2022 Sampling for Legionella bacteria...

How often should I complete my Legionella Risk Assessment?

by Roy Sullivan, on 09-08-2022

UK legislation places a duty on building owners and those in charge of premises to manage the risks to health and safety associated with water systems.

I have a Pseudomonas aeruginosa count – what next?

by Roy Sullivan, on 02-08-2022

To understand the actions that should be taken when a positive Pseudomonas aeruginosa [P. aeruginosa] test result is received, it is prudent to first understand more about this opportunistic...

Blog Posts by Roy Sullivan

Roy Sullivan

Recent Posts

Pipework Sizing; Why does it matter when controlling Legionella?

Expansion Vessels and Legionella risk

Legionella record keeping using software.

Legionella Risk - Contractor Competency for Schools

Legionella sampling: Part 3 - Testing methods & what next?

Legionella sampling: Part 2 - technique & chain of custody

Legionella sampling: Part 1 - What's your sampling strategy?

Legionella Incident Investigation – What’s involved?

How often should I complete my Legionella Risk Assessment?

I have a Pseudomonas aeruginosa count – what next?

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