Newsletter No. 54

CUHK NEWSLETTER cleaned t o th e required standard , i s then pumpe d bac k int o the pool. The governmen t ha s stric t stipulation s abou t th e p H value an d chlorine conten t o f swimmin g pool water . At the same time water quality i s liable to fluctuate as weather and the numbe r o f swimmer s chang e (fo r instance , stron g sunlight i s responsibl e fo r th e accelerate d evaporatio n o f chlorine i n th e water) . T o ensur e complianc e wit h government regulations and the safety of swimmers, samples of poo l wate r ar e taken an d teste d ever y hou r by pool staf f and th e amoun t o f chlorin e an d sod a powder applie d t o th e purification proces s adjuste d accordingly . Occasionall y garbage suc h a s leaves from trees nearby ma y b e sighted i n the pool and these are removed by the life-guards on duty. Pool Maintenanc e Maintenance wor k i s als o importan t a s i t ha s direc t bearing on water quality . As the purification plant functions, a fair amount of dirt The sides and bottom of the pool are given a good scrub each year and missing tiles arc replaced. It takes two weeks to fill the pool. Although it is technically possible to fill the whole pool in a shorter time, it would upset the campus water supply system to do so. It is a rule that, whenever the pool is open, there are at least two life-guards on duty. Swimmers enjoying their bathe The pool is constructed according to Olympics standards. It measures 50 metres by 18 metres and its depth ranges from 1.2 to 4.6 metres. There is a springboard at 1 metre, and three diving platforms at 3, 5, and 10 metres. NO.54MA Y 199 4 8