The East and North Hertfordshire NHS Trust (ENHT) sought to appoint a suitably qualified and experienced contractor to undertake a comprehensive programme of water hygiene to include a number of water systems.

The contract is offered for an initial 3 years, with the option to extend the contract up to a further 2 years thereafter.

The general requirement and scope of works shall be for the contractor to undertake a programme of water hygiene to include the following water systems:

— Zeta safe management for assets managed by the contractor (x 810);

— collect water samples for analysis (x 322 per month) Legionella (x 161 per 6 month) Pseudomonas Aeruginosa;

— record temperatures at cold sentinel points (x 65) monthly;

— record temperatures at hot sentinel points (x 107) monthly;

— record temperatures representative number of sentinel outlets (x 100) monthly;

— record storage, flow and return temperature of calorifiers. Verify any circulating pumps are operating correctly. (x 8) monthly;

— record flow and return temperatures of Plate Heat Exchangers monthly;

— record storage and flow temperatures of point of use water heaters (x 4) monthly;

— quarterly replacement of shower hoses;

— maintenance and cleaning of (x 20) water tanks. 12 monthly;

— maintenance of thermostatic mixing valves (x 560) 6 monthly fail safe and 12 monthly service.

This is to include minor remedial and calibrations