SASR Norms & Standards Vol 2 new.indd - Sport and Recreation ...

FILTRATION RATE – SAND
The fi ltration rate in high-rate sand fi lters shall not exceed 7.033 litre per minute per square metre of
effective surface area.
FILTRATION RATE – DIATOMACEOUS EARTH
The fi ltration rate in high-rate sand fi lters shall not exceed 0.703 litre per minute per square metre of
effective surface area.
FILTRATION RATE – CARTRIDGE TYPE
The fi ltration rate in high-rate sand fi lters shall not exceed 0.132 litre per minute per square metre of
effective surface area.
GAUGES
Pressure gauges shall be installed on the inlet side of the pump and the inlet and outlet manifolds of
the fi lters.
CROSS CONNECTION CONTROL
Cross-connections between potable water piping and the circulation system or water reservoir of any
pool are prohibited. Potable water for makeup water may only be introduced into the reservoir as
follows:
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• Across an air gap of at least twice the diameter of the pipe , not less than 150 mm above the
overfl ow level. If an over-the-rim spout is used, it shall be so located so that it not presents
a hazard to users of the pool.
• 76 mm above the overfl ow rim of a fl oat controlled make up water feed tank.
• By a submerged inlet which is properly protected against siphonage by a backfl ow
prevention device.
All sewage from sanitary fi ttings, showers and drinking fountains shall be disposed of in a sanitary
manner. Filter backwash and wasted water from swimming pools shall be discharged into a sanitary
sewer through an approved air gap, an approved sub-surface disposal system or by means as approved
by the Department. There shall be no direct physical connection between the sewer system and the
water circulation system.
ROOF DRAIN WATER
Rainwater drainage form any structure must be diverted away the swimming pool and deck to a suitable
point of disposal.
Water depth and depth markers
Swimming