WATER SERVICES
LEGISLATION,
STANDARDS & CODES
L8 Legionnaires’ disease:
The control of Legionella bacteria in water systems
- Risk assessments and hygiene surveys.
- Full remedial works
- Clean and chlorination to L8 standards on:
- Cooling Towers
- Humidifiers
- Tanks
- Down Services
- Calorifiers
- Softeners/Filters
- Air Washers
- Hygiene monitoring using independent UKAS accredited laboratory covering:
- Legionella, total viable counts and other specified bacteria including ranges to cover
swimming pools and ornamental features
- Regular technical site visits, reports and documentation systems
- Training of site staff, post training monitoring
- Certification of relevant procedures
- Approved products
BS6700
- Chlorination of new building pipe work to BS6700
- Chlorination and clean of existing water services to BS6700
- Chlorination of new pipe work prior to connection to existing services
PWTAG Leisure Centres - Pools & Spas
- Chlorination of balance tanks and services to L8
- Bacterial analysis of pool and spa water quality
- Chemical analysis of pool and spa water quality
- Plant and dosing control service and calibration
GENERAL PROCEDURES
Cleaning Services
- Pre-operational cleans of new installations
- De-sludge cleans for existing fouled systems
- Descaling services for calorifiers, chillers, cooling towers, condensers, boilers,
tanks, etc.
Chemical Treatment Range
- Cooling water inhibitors, biodispersants and biocides
- Potable system disinfectants, inhibitors and cleaners
- Process disinfectants, inhibitors and cleaners
- Boiler, steam generator and condensate treatments
- Sealed system inhibitors and de-sludge treatments
- Water softener and other resin cleaners
Water Treatment Equipment
- Water softeners, demineralisers, de-alkalisation plant, reverse osmosis
- Consultancy, Sales and service. Industrial and domestic
- Dosing pumps and pots, controllers, meters, solenoids, brominators
- Spares for most other suppliers equipment
- Siliphos scale control dispensers
- Drinking water filtration systems
- Ultra-violet disinfection systems. Industrial and domestic
- Test kits, dipslides and training in their use
Consultancy and Follow Up Service
- Technical on-site analysis of treatment systems
- Independent laboratory services for bacterial and mineral/deposit samples
- Corrosion monitoring
- Regular review meeting
- Independent site treatment programme audits and inspection visits

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