Water Technology

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The highest standard in pool water technology...

Selecting the correct water treatment and filtration system is fundamental to the success of any swimming pool scheme. Bather comfort and safety in the water is of paramount importance. Each pool varies in terms of dimensions, water volume, bather loads and the chemical balance of the incoming mains water. Our design will ensure that the filtration system is efficient, the distribution system is correct and the chemical dosing systems selected will achieve the best possible water quality.

A sound design is not the only ingredient; the quality of the equipment also needs to be of a high standard to ensure operators can maintain good water quality.

Experience counts

Total compliance...

It’s very easy for a pool contractor to state that they are compliant with standards, but demonstrating compliance is a different matter. We operate in a very niche marketplace and quite often, clients don’t have the necessary skills to verify that their pool systems are compliant. Too often we see corners being cut, for commercial gain, ultimately putting the bathers at risk and accelerating technology lifecycles.

At F T Leisure, we don’t follow standards, we set them. We are actively involved in driving the quality standards of swimming pool water technology forward, through our PWTAG forum membership, BSI committees and the ASA Design Forum.

There are a limited number of specialist pool consultants in the industry; we know all their specifications and requirements inside out.

A Sustainable Pool

The swimming pool is a fundamental component of the building sustainability strategy. The energy conservation initiatives to be considered are summarised as follows:

  • Hydraulic design – the basic layout of the pool tanks, balance tanks and filtration system equipment should be designed to achieve optimum hydraulic efficiency and minimum system head loss.
  • Filtration type – microfiltration systems are selected based on the reduced friction loss, in comparison to media bed filtration systems.
  • Variable speed drives – allows the pumps to run at reduced speeds.
  • Pool heating – correct sizing of the system heat exchangers and effective continuous control of pool water heat.
  • Chemical selection – correct selection of chemicals to prevent excessive use of chemicals.
  • System Instrumentation – provide adequate monitoring systems to allow operators to operate the system in accordance with the base design.
  • Pool Covers – for heat retention and reduction of evaporation. Note the moveable floor can be used as a cover in the learner pool.
  • Water consumption – pools require dilution at a recommended rate of 30litres/bather. This can be reduced on the condition that TDS levels are maintained.

 

Cleaner Bathers

The pool water treatment and filtration systems will be designed to operate with the least amount of energy possible. However, the system is designed to remove pollution from the pool water, which is introduced by the bather. The less pollution brought into the pool, the less energy used. There are some operator control measures to help reduce pollution:

  • Pre-swim showering for all bathers.
  • Control outdoor footwear on pool surrounds.
  • Insist on the use of swim caps for all bathers.
  • No loose swimming attire (with pockets).
  • Swim nappies for young swimmers.

 

Recycling opportunities

There are several recycling options that could be considered for the water treatment and filtration systems. It is important that the capital cost of these systems are assessed in relation to the potential payback over the life of the building:

  • Backwash water heat recovery.
  • Backwash water recycling.
  • Heat recovery system to boost heat to the pool water (from another source such as gym area)
  • Sample cell water used as grey water.

PoolProjects

See all projects

Bath Spa Complex

4No spa pools & CIP systems for spring water

Water treatment and filtration, water features

Bulgari Hotel & Residences

Lap pool, vitality pool

Water treatment and filtration, water features

Clapham One

25m, 6-lane pool, learner pool

Water treatment and filtration, 2No moveable floors and boom

Key stats

>100,000

Cubic meters of water treated

>500

Sand filters installed

>300

UV systems installed

PWTAG

The Pool Water Treatment Advisory Group has a major role in the treatment and quality of public and private swimming pool water.

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