LCA Standards of Delivery

For the specific legionella control services quoted please review the below:

Legionella Risk Assessment Service

It is the responsibility of the duty holder to:

  1. Ensure there is a Legionella risk assessment record that includes all systems where water is stored/used in any premises controlled by the duty holder, and that it is reviewed regularly to ensure it is valid and reassessed when required.
  2. Clearly define the scope of any required Legionella risk assessment.
  3. Make reasonable enquiries of proof of competence of the Legionella risk assessor.
  4. Schematic diagrams and asset registers should be available to inform and help the risk assessor.
  5. The findings of the legionella risk assessment including the required corrective actions and control measures should be implemented, or if implemented record as to why they were not.
  6. A written scheme of control should be produced and maintained and the output from the scheme of control should be recorded and used in any subsequent review of risk.
  7. Regular reviews of the effectiveness of Legionella control activities should be carried out to verify the written scheme of control remains adequate, if they are not review the legionella risk assessment.
  8. Have change management procedures and or regular review procedures to determine if the existing risk assessment is still valid, suitable, and sufficient. If it is not, then a reassessment of the risk is required. 

Water Treatment, Hot & Cold Water Monitoring and Inspection

It is the responsibility of the duty holder/responsible person to:

  1. Have a legionella risk assessment, written scheme of control and schematic diagram in place which includes a programme of treatment, monitoring, and inspection (and may include legionella sampling) and make this available to us.
  2. Provide sufficient information to allow us to design an appropriate treatment programme, including a legionella sampling plan if appropriate.
  3. Make the systems available for the works, with safe access, and adequate notice to ourselves to schedule and execute the agreed work.
  4. Provide us with any information on known risks and safety requirements in the areas we will be working.
  5. Ensure the control scheme tasks you are responsible for are completed and recorded.
  6. Ensure any preparatory work you are responsible for is completed prior to us commencing our work.
  7. Participate in the agreed review process.

Note: When taking legionella samples, we do not use composite samples, we will take 1 litre samples, test for all legionella species, at a UKAS accredited laboratory with a minimum test limit of detection of 100cfu/L, pre-flush sampling is the default sample technique to comply with current British Standard guidance. Sample points and frequency of sampling is based on the information supplied and current HSE guidance (including the legionella risk assessment and written scheme if supplied).

Cleaning & Disinfection Services

It is the responsibility of the duty holder/responsible person to:

  1. Maintain the entire system, and the water in it, in a clean condition and to facilitate inspection to determine if the system is clean or not.
  2. Make the systems available for the works, with safe access, and adequate notice to ourselves to schedule and execute the agreed work. 
  3. Provide us with any information on known risks and safety requirements in the areas we will be working, and advise of any known deadlegs, redundant pipework requiring flushing as part of the disinfection process and the location of schematic diagrams for us to use.
  4. Ensure any preparatory work you are responsible for is completed prior to us commencing our work.
  5. Ensure any necessary trade effluent discharge consent is in place for effluent generated from the cleaning and disinfection process.
  6. Designate drains to use for wastewater from the cleaning & disinfection process and identify sensitive equipment on the system requiring isolation prior to the work.
  7. Solid waste is the responsibility of the client to dispose of, unless identified as otherwise in our method statement.

Training Services

It is the responsibility of the duty holder/responsible person to:

  1. Assess the training needs of your staff, complete regular competence assessments for specific tasks, identify any further training requirements and review their training records.
  2. Determine if the content of any training offered meets your requirements.

Legionella Analytical Services

It is the responsibility of the duty holder/responsible person to:

  1. Have a legionella risk assessment, written scheme of control and schematic diagram in place which includes a programme of treatment, monitoring, and inspection (and may include legionella sampling) and make this available to us.
  2. Provide sufficient information to allow us to design an appropriate treatment programme, including a legionella sampling plan if appropriate.
  3. Make the systems available for the works, with safe access, and adequate notice to ourselves to schedule and execute the agreed work.
  4. Provide us with any information on known risks and safety requirements in the areas we will be working.
  5. Ensure the control scheme tasks you are responsible for are completed and recorded.
  6. Ensure any preparatory work you are responsible for is completed prior to us commencing our work.
  7. Participate in the agreed review process.

Note: When taking legionella samples, we do not use composite samples, we will take 1 litre samples, test for all legionella species, at a UKAS accredited laboratory with a minimum test limit of detection of 100cfu/L, pre-flush sampling is the default sample technique.

to comply with current British Standard guidance. Sample points and frequency of sampling is based on the information supplied and current HSE guidance (including the legionella risk assessment and written scheme if supplied).

Plant & Equipment Services

It is the responsibility of the duty holder/responsible person to:

  1. Consider that any changes to the system may alter the Legionella risk and therefore require a review of risk assessment, associated control scheme and records.  This may result in:

a)    a reassessment of the legionella risk 

b)    an update of the written scheme of control 

c)     a revised schematic diagram

d)    a revision of the record keeping system

  1. Make appropriate notification under the requirements of the Plumbing Notification Laws.
  2. Ensure the necessary trade effluent discharge consent is in place for any effluent generated from any equipment installed.
  3. Ensure any preparatory work you are responsible for is completed prior to commencing plant and equipment work.

Ensure any equipment is installed, commissioned, operated, and maintained correctly.

Comfort Services Group are Essex based and long established within the building services sector, we strive to integrate new technology with the old tried and tested methodologies of working, Comfort Compliance is our in-house Water Hygiene management software designed to deliver task driven assist management services for every aspect for the control and management of legionella bacteria in water systems. Other services include Water Treatment of closed heating and cooling systems, provision of Mains Water Chlorination certification, servicing and recommissioning services for HIU Heat Interface Units along with air & water systems Commissioning ServicesContact us where one of our friendly team would be pleased to assist with your enquiry.