Solutions for Suction Entrapment - Practical Application for Construction and Maintenance
Latest Activity: Jul 31, 2015
ENTRAPMENT, what a word I was blown away with all the effort made by all the players in the Industry to cash in on the market with a large display of fancy Grates at the last NSPI show I attended in Vegas which really were just like buying a new lid for an old pot.
OK so lets have 2 Drains great idea but it is not impossible for 2 children to go and sit on both of them Wendy Purser said why double the chance she is right.
The best solution was to fit the Anti Hair Snare grating of all the designs I have seen this is the safest of the lot. So retro fitting it to a drain my solve the problem. Another point is that if there is a single drain and it has a Hydrostatic Valve installed in the bottom it can provide a form of Vacuum Relief in the advent of a person becoming entrapped however Hair is still a problem with many grating Triodyne Anti Hair Snare solves this problem as well as preventing body entrapment.
If you are still concerned convert the Bottom Drain to a Return and get the added benefit if the pool is being heated with aprox 30% more efficiency with the heating.
Another thing is that whatever you do there is always a risk with older pools take the 7 year old in a Club Med in Grease or recently the 42 year old in the Bahamas not only kids play around any point of suction so do adults, Maybe the risk will never be eliminated but just reduced on new installations over time. www.poolquartz.co.nz
I'm glad up here we have to use minimum dual main drains each of which has to be able take 100% of the flow at no more than 1.5 ft/sec. We also are supposed to set it up so the skimmers take about 60%-70% of the flow. And these rules will soon be applied to residential but I think a lot of builders do it already.
Problem is with the VGB act we have no more flat drain covers and are starting to see trip hazards and toe stubbers appearing. We will end up with problems now whereas before we didn't really have any.
who was that older guy at the last panel? Reminded me of Dr Brown from Back To The Future.
Ahhh, good point I'll make a note of that, have all test labs do it the same.
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