Swimming Pool Checks - West Leigh Juniors

• Site conducted on

  Select

• Conducted on

  Date

• Swimming Pool Checks

• Prepared by

  Select

Pool Testing

• Is it Thursday?

  Yes

  No

Doser

• Current pH value of the pool?

• Current PPM value of the pool?

• Current water temperature of the pool?

pH Sampling

• pH value of the water (Phenol Red)

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the acid pump stopped pumping in more acid

  Yes

  No

• Switch off acid pump, close the pool and seek further advice

• Close the pool and check the unit every 30 minutes to ensure pH stabilises

• Is the acid pump pushing more acid into the system?

  Yes

  No

• Close the pool, and check the unit every hour until the pH stabilises

• Close the pool and seek advice

• Is the doser calibrated correctly?

  Yes

  No

• Ensure unit is calibrated correctly

• Has the acid pump started to pump in more acid?

  Yes

  No

• Close pool and seek advice

• Close the pool and check the unit every hour until pH stabilises

• Is the acid pump functioning correctly?

  Yes

  No

• Close the pool and seek advise

• Close the pool and seek advise

Chlorine

• Free chlorine in pool (DPD 1)

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the chlorine pump started to pump in chlorine?

  Yes

  No

• Close the pool and seek further advice

• Close the pool, and check the unit every hour until the chlorine stabilises

• Is the chlorine pump pushing chlorine through the system?

  Yes

  No

• Monitor the pool and check every 30 minutes to ensure chlorine in the pool is increasing

• Hand dosing maybe required in order to rectify any issues with the pump

• Seek further advice

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the chlorine pump stopped pumping in more chlorine?

  Yes

  No

• Switch off power to the pump and seek further advice

• Check the unit to ensure chlorine rate stabilises

• Has the chlorine pump stopped pushing more chlorine into the system?

  Yes

  No

• Turn off the pump, close the pool, and seek advise

• Close the pool until the pool chlorine level reduces

• Total chlorine in pool (DPD 3)

• Total Chlorine should be no more than half of the free chlorine level or no higher than 1ppm, whatever is lower

• Combined chlorine value (Total chlorine - free chlorine)

• 2x combined chlorine level should be lower than free chlorine for BREAKPOINT CHLORINATION, if it's not lower its NOT ON BREAKPOINT CHLORINATION

  

• Has the pool reached breakpoint chlorination?

  Yes

  No

• Backwashing required

Water Temperature

Current water temperature?

• Is the BMS reading the pool temperature correctly?

  Yes

  No

• Is the bypass valve open?

  Yes

  No

• Are the heating boilers functioning?

  Yes

  No

• Report to gas engineer to investigate boiler fault

• Report to gas engineer to investigate possible heat exchanger fault

• Close bypass valve and monitor temperature

Doser

• Current pH value of the pool?

• Current PPM value of the pool?

• Current water temperature of the pool?

pH Sampling

• pH value of the water (Phenol Red)

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the acid pump stopped pumping in more acid

  Yes

  No

• Switch off acid pump, close the pool and seek further advice

• Close the pool and check the unit every 30 minutes to ensure pH stabilises

• Is the acid pump pushing more acid into the system?

  Yes

  No

• Close the pool, and check the unit every hour until the pH stabilises

• Close the pool and seek advice

• Is the doser calibrated correctly?

  Yes

  No

• Ensure unit is calibrated correctly

• Has the acid pump started to pump in more acid?

  Yes

  No

• Close pool and seek advice

• Close the pool and check the unit every hour until pH stabilises

• Is the acid pump functioning correctly?

  Yes

  No

• Close the pool and seek advise

• Close the pool and seek advise

Chlorine

• Free chlorine in pool (DPD 1)

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the chlorine pump started to pump in chlorine?

  Yes

  No

• Close the pool and seek further advice

• Close the pool, and check the unit every hour until the chlorine stabilises

• Is the chlorine pump pushing chlorine through the system?

  Yes

  No

• Monitor the pool and check every 30 minutes to ensure chlorine in the pool is increasing

• Hand dosing maybe required in order to rectify any issues with the pump

• Seek further advice

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the chlorine pump stopped pumping in more chlorine?

  Yes

  No

• Switch off power to the pump and seek further advice

• Check the unit to ensure chlorine rate stabilises

• Has the chlorine pump stopped pushing more chlorine into the system?

  Yes

  No

• Turn off the pump, close the pool, and seek advise

• Close the pool until the pool chlorine level reduces

• Total chlorine in pool (DPD 3)

• Total Chlorine should be no more than half of the free chlorine level or no higher than 1ppm, whatever is lower

• Combined chlorine value (Total chlorine - free chlorine)

• 2x combined chlorine level should be lower than free chlorine for BREAKPOINT CHLORINATION, if it's not lower its NOT ON BREAKPOINT CHLORINATION

  

• Has the pool reached breakpoint chlorination?

  Yes

  No

• Backwashing required

Water Temperature

Current water temperature?

• Is the BMS reading the pool temperature correctly?

  Yes

  No

• Is the bypass valve open?

  Yes

  No

• Are the heating boilers functioning?

  Yes

  No

• Report to gas engineer to investigate boiler fault

• Report to gas engineer to investigate possible heat exchanger fault

• Close bypass valve and monitor temperature

Total Dissolved Solids (TDS)

• Take a large sample of source water (from the tap) and dip in the TDS meter

• TDS result (source water)

• Take a large sample of pool water and dip in the TDS meter

• The source water is around 400-500ppm in Essex, the result of pool water should be within 1000ppm of the source water

• TDS result (pool water)

Calcium Hardness

• Take a 10ml sample of pool water in a vial

• Put vial into Pooltest 6 and select "CaH" to blank

• Remove from vial and crush a Calcicol No. 1 tablet in the vial

• Crush a Calcicol No. 2 tablet in the vial

• Place in Pooltest 6 and press "CaH" again, wait 2 minutes

• Calcium Hardness result (mg/l)

• Product required:
  https://www.ukpoolstore.co.uk/acatalog/Swimming_Pool_calcium_hardness_Plus_-_UKPS_chemicals.html

• Pre-dissolve the product in a clean plastic container at a maximum rate of 100g of product per 2.2 gallons (10 litres) of clean warm water. Stir well to ensure the product is fully dissolved. Carefully add the resulting solution to the pool whilst the pump(s) are turned 'on', preferably near to the water inlets to aid distribution.

• After a minimum of 8 hours, recheck the calcium hardness level and if necessary repeat the treatment until the ideal level is established. Please note a number of treatments may be required.

• 1.1kg worth of granules are required for a pool with 99,000 litres of water

• Calcium needs to be removed from pool

Total Alkalinity

• Take a 10ml sample of pool water in a vial

• Put vial into Pooltest 6 and select "TA" to blank

• Remove from vial and crush a Alkaphot tablet in the vial

• Place in Pooltest 6 and press "TA" again, wait 1 minute

• Total Alkalinity result (mg/l)

• Bicarbonate of soda is required to be added to the pool

• Use the following website to calculate the amount of bicarbonate of soda to use:
  https://www.poolandspacentre.co.uk/help/pool-adjustments.html

• Has bicarbonate of soda been added to the pool?

  Yes

  No

• Dry acid (sodium bisulphate) is required to be added to the pool

• Use the following website to calculate the amount of dry acid (sodium bisulphate) to use:
  https://www.poolandspacentre.co.uk/help/pool-adjustments.html
  

• Our pool has 99,000 litres of water

• Has dry acid (sodium bisulphate) been added to the pool?

  Yes

  No

Balanced Water Testing

• Use Langelier Saturation Index

  

• TF - Temperature factor
  CF - Calcium Hardness factor
  AF - Total Alkalinity factor
  BWR - Balanced Water Result

• pH + TF + CF + AF - TDSF = BWR (formula)

• 7.2 + 0.7 + 1.5 + 2.0 – 12.2 = -0.8 (example)

• Balanced Water Result

• Corrosive environment

• Scale forming environment

• Perfectly balanced

• Check the chlorine level in bunded tank

  Yes

  No

• Check the acid level in bunded tank

  Yes

  No

• Check LUX levels in pool building

• Humidity level check in pool building

• Check pool phone has dialling tone

  Yes

  No

• Is it Monday?

  Yes

  No

• Backwash completed?

  Yes

  No

• Is it Friday?

  Yes

  No

• Backwash completed?

  Yes

  No

• Visual check on inlets and outlets within pool completed?

  Yes

  No

• Clean out of pool skimmers

  Yes

  No

• Clean out of pump strainer baskets

  Yes

  No

• Clean out filter on dosing system (isolate either side)

  Yes

  No

• Cleaning of scum line

  Yes

  No

• Is it the last Friday of the month?

  Yes

  No

• Descale the shower heads (2x poolside, 1x staff changing)

  Yes

  No

Pool Testing

• Select date

  Date

Doser

• Current pH value of the pool?

• Current PPM value of the pool?

• Current water temperature of the pool?

pH Sampling

• pH value of the water (Phenol Red)

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the acid pump stopped pumping in more acid

  Yes

  No

• Switch off acid pump, close the pool and seek further advice

• Close the pool and check the unit every 30 minutes to ensure pH stabilises

• Is the acid pump pushing more acid into the system?

  Yes

  No

• Close the pool, and check the unit every hour until the pH stabilises

• Close the pool and seek advice

• Is the doser calibrated correctly?

  Yes

  No

• Ensure unit is calibrated correctly

• Has the acid pump started to pump in more acid?

  Yes

  No

• Close pool and seek advice

• Close the pool and check the unit every hour until pH stabilises

• Is the acid pump functioning correctly?

  Yes

  No

• Close the pool and seek advise

• Close the pool and seek advise

Chlorine

• Free chlorine in pool (DPD 1)

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the chlorine pump started to pump in chlorine?

  Yes

  No

• Close the pool and seek further advice

• Close the pool, and check the unit every hour until the chlorine stabilises

• Is the chlorine pump pushing chlorine through the system?

  Yes

  No

• Monitor the pool and check every 30 minutes to ensure chlorine in the pool is increasing

• Hand dosing maybe required in order to rectify any issues with the pump

• Seek further advice

• Is the doser calibrated correctly?

  Yes

  No

• Calibrate the automatic dosing unit

• Has the chlorine pump stopped pumping in more chlorine?

  Yes

  No

• Switch off power to the pump and seek further advice

• Check the unit to ensure chlorine rate stabilises

• Has the chlorine pump stopped pushing more chlorine into the system?

  Yes

  No

• Turn off the pump, close the pool, and seek advise

• Close the pool until the pool chlorine level reduces

• Total chlorine in pool (DPD 3)

• Total Chlorine should be no more than half of the free chlorine level or no higher than 1ppm, whatever is lower

• Combined chlorine value (Total chlorine - free chlorine)

• 2x combined chlorine level should be lower than free chlorine for BREAKPOINT CHLORINATION, if it's not lower its NOT ON BREAKPOINT CHLORINATION

  

• Has the pool reached breakpoint chlorination?

  Yes

  No

• Backwashing required

Water Temperature

Current water temperature?

• Is the BMS reading the pool temperature correctly?

  Yes

  No

• Is the bypass valve open?

  Yes

  No

• Are the heating boilers functioning?

  Yes

  No

• Report to gas engineer to investigate boiler fault

• Report to gas engineer to investigate possible heat exchanger fault

• Close bypass valve and monitor temperature