Case Study

King’s College Hospital NHS Foundation Trust

Overview

Looking after 1.5 million patients every year, King’s College Hospital NHS Foundation Trust employs over 13,500 members of staff across multiple sites.

Serving the inner-city population of Southwark and Lambeth, as well as millions from tertiary referral centres in southern England, King’s College Hospital deals with 400 Emergency Department attendances per day, and has the largest mental health patient attendance in the UK.

With a mixture of buildings and water systems varying in age and complexity, the Trust needed a dedicated and reliable team of on-site technicians that were able to respond to the day-to-day needs of the hospital, whilst maintaining a programme of works that covered all aspects of water hygiene.

Zeta Services’ Role

After completing a Legionella Risk Assessment for the Trust in 2018, Zeta Services identified areas where compliance could be improved, and proposed ways in which this could be delivered successfully. In 2021, King’s College Hospital awarded Zeta with a 5 year contract to work on all aspects of HTM 04-01 compliance.

Zeta Services have been instrumental in revolutionising the Trust’s water management system. From completing an initial Legionella Risk Assessment (LRA) in 2018, to being awarded a contract for all aspects of HTM 04-01 compliance in 2021, Zeta continues to make a difference by focusing on what is really important when it comes to water hygiene. Their team and the systems that have been implemented have reduced day-to-day challenges of water management over a large, diverse estate, with a small in-house team.

Paul Balaam, KCH Estates Manager

Products and services provided

Measuring and monitoring of water temperatures inaccordance with HTM 04-01 and HSG274. Includes remote temperature monitoring (IoT).
Installation and removal of point of use filters.
Quarterly showerhead replacement programme.
Cold Water Storage Tank (CWST) inspections and drop level tests.
Thermostatic Mixing Valve (TMV) servicing andmaintenance.
Lab-based Legionella and Pseudomonas sampling, as well as in-house Pseudomonas and Legionella testing using the IDEXX Pseudalert and Legiolert process.
Hot water service calorifier inspection/purge.
Expansion vessel purging/flushing.
Strainer inspection and cleaning.
Dosing system installation, monitoring, maintenance, and servicing.
Outlet flushing.
Periodic review of water risk assessments, schematics, and asset labelling.
Contract meeting reviews.
Bespoke compliance schemes on ZetaSafe, for the management of dental unit water lines (HTM 01-05) and fire extinguishers.
Expert support and problem solving on the commissioning of water systems in the new Willowfield building.

Conclusion

Through a process of asset validation and reconciling ZetaSafe with the Trust’s compliance scheme, Zeta Services have managed to significantly improve schedule adherence. In the first full year of working at King’s College Hospital, Zeta Services completed over 122,000 tasks.

Services

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