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Legionella Risk Review

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Legionella Risk Review

Section A - Site Management

Date of original risk assessment or previous review:

Define the scope of the risk assessment being reviewed. I.E. which buildings and water systems

Is the name of the nominated responsible person up to date

Details / Priority /Action By Whom & Date

Is the name of the nominated deputy responsible person up to date

Details / Priority /Action By Whom & Date

Has the occupancy level of the building(s) changed since the assessment was completed

Details / Priority /Action By Whom & Date

Has the building had any change of use since the assessment was completed

Details / Priority /Action By Whom & Date

Has the susceptibility level of the building occupants changed

Details / Priority /Action By Whom & Date

Has there been any local construction of water systems, outside the building(s), that may affect the risk

Details / Priority /Action By Whom & Date

Is there any evidence of site staff being trained in Legionella awareness and their responsibilities within the control scheme

Details / Priority /Action By Whom & Date

Is there a written procedure to define the action to be taken if Legionella bacteria are detected in samples taken from site

Details / Priority /Action By Whom & Date

Is there a written procedure to define the action to be taken if a case of Legionnaire’s disease is suspected from water systems on the site

Details / Priority /Action By Whom & Date

Is there a written procedure regarding when and how to alternate hot or cold water pumps

Details / Priority /Action By Whom & Date

Are the responsibilities for carrying out the tasks within the control scheme clearly defined

Details / Priority /Action By Whom & Date

Section B - Assets, Previous Recommendations & Schematics

By checking the available records, can it be shown that all recommendations of the risk assessment have been implemented

Details / Priority /Action By Whom & Date

Are there schematic diagrams for every water system

Details / Priority /Action By Whom & Date

Are the schematic drawings accurate with regard to the locations that they supply

Details / Priority /Action By Whom & Date

Do the schematic drawings show enough detail so that they are not ambiguous

Details / Priority /Action By Whom & Date

Is the outlet asset register accurate? I.e. are all of the outlet types and number defined in each location where water is used

Details / Priority /Action By Whom & Date

Is the “fixed asset” register accurate? I.e. are all of the cold-water storage tanks and hot water vessels recorded

Details / Priority /Action By Whom & Date

Is a supplementary biocide being dosed into any of the systems and has this been installed since the previous risk assessment

Details / Priority /Action By Whom & Date

Complete inspection sheets for all cold-water tanks and hot water vessels and make recommendations for remedial action as required

Details / bPriority /Action By Whom & Date

Section C - Cold Water Tank Inspections

Is there a secure, close fitting lid fitted

Tank Number / Details / Priority /Action By Whom & Date

Is there a lid vent (tank breather) fitted and is it in good condition

Tank Number / Details / Priority /Action By Whom & Date

Is there an overflow screen fitted and is it in good condition

Tank Number / Details / Priority /Action By Whom & Date

Is the tank well insulated from heat gain

Tank Number / Details / Priority /Action By Whom & Date

Is the tank corroded

Tank Number / Details / Priority /Action By Whom & Date

Is there any evidence of scale deposition

Tank Number / Details / Priority /Action By Whom & Date

Describe the level of sediment on the base of the tank. (Percentage covered)

Does the level control valve shut off before the overflow level is reached

Tank Number / Details / Priority /Action By Whom & Date

Does the inlet supply valve shut off the supply

Tank Number / Details / Priority /Action By Whom & Date

Does the outlet valve shut off the outlet

Tank Number / Details / Priority /Action By Whom & Date

Record the stored water temperature as far away as possible from the inlet valve.

Record the inlet temperature at the mains inlet.

Section D - Hot Water Vessel Inspections

Was an internal inspection of the vessel undertaken

HWS Number / Details / Priority /Action By Whom & Date

Were the internal surfaces of the vessel covered in scale deposits

HWS Number / Details / Priority /Action By Whom & Date

Were there any signs of internal corrosion

HWS Number / Details / Priority /Action By Whom & Date

Is the vessel well insulated to prevent heat loss

HWS Number / Details / Priority /Action By Whom & Date

Does the vessel drain valve operate safely

HWS Number / Details / Priority /Action By Whom & Date

Was the vessel drain flushed until clear water was achieved

HWS Number / Details / Priority /Action By Whom & Date

Is there a flow/storage temperature gauge fitted

HWS Number / Details / Priority /Action By Whom & Date

What is the stored water temperature

Is there a return line temperature gauge fitted

HWS Number / Details / Priority /Action By Whom & Date

What is the return water temperature

Is the return pump operating

HWS Number / Details / Priority /Action By Whom & Date

Section E - Control Scheme Monitoring Records

Are the temperature records for all cold water systems complete

Details / Priority /Action By Whom & Date

Have all non-conformances in cold-water temperature been investigated and addressed

Details / Priority /Action By Whom & Date

Are the temperature records for all hot water systems complete

Details / Priority /Action By Whom & Date

Have all non-conformances in hot water temperature been investigated and addressed

Details / Priority /Action By Whom & Date

Are there full records of flushing for any identified “low use” outlets

Details / Priority /Action By Whom & Date

Has the risk assessment been reviewed and records produced at the agreed frequency

Details / Priority /Action By Whom & Date

Are there records to demonstrate that showers have been inspected and disinfected at least quarterly

Details / Priority /Action By Whom & Date

Are there records of duty/standby pumps being alternated on DHWS return

Details / Priority /Action By Whom & Date

Are there suitable records of any fitted biocide dosing system

Details / Priority /Action By Whom & Date

Are there records of cold-water tank and hot water vessel inspection

Details / Priority /Action By Whom & Date

Summary

Assessors comments and summary

Photographic Evidence ( if applicable )

Description

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