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Annual Rainfall
In article , geoff
writes ? Trying to find how big a holding tank needs to be to catch all the rain off the roof of a new clubhouse of 50 metres x 20 metres. Mike, The average for the UK is usually taken as about 30 inches (approx 0.75 metres) a year. This will give an annual volume on the clubhouse roof of approx 750 cubic metres! The tank will need to be 10 by 10 by 7.5 metres! It might be better to calculate the volume of water needed during a drought of X days duration for its tank might be smaller but still meet requirements. This is why I would like the figure per month because at no time will the total annual rainfall be in the tank at the same time :-)) For those who do not know it, the IW has metered water and the domestic cost is 58.6p per cubic metre without counting the wastewater charge, so Mike's not talking of saving peanuts if Southern Water charge the same figure for watering a bowls green. That's not all. I oppose any building in the area which is being built on virgin ground and that building's rain water is to be sent down the drain. We have a very serious Storm Water problem in our area and I have raised many objections. The last objection was for a pair of bungalows, the previous to that was for 2 blocks of flats. How can I oppose planning permission with one hand and seek planning permission for something 'I' am working on with the other hand? In have a meeting with all the various bodies concerned on 28th April with regards to the Drainage systems and many more topics besides. If a more accurate figure for the average is needed I suggest a letter the editor of the Isle of Wight County Press. Southern Water will be at this forum so I will take it up with them. many thanks for your help and advice. Regards Geoff on the Island. So you will know of the old Fairway Football Club Ground development at Lake. That is what I am involved with. :-)) Mike -------------------------------------------------------------------------------- Forthcoming reunions. Royal Navy Social Weekend Sussex May 2nd - 5th. H.M.S.Collingwood Association Chatham May 30th - June 2nd British Pacific Fleet Hayling Island Sept 5th - 8th Castle Class Corvettes Assn. Isle of Wight. Oct 3rd - 6th. Plus many more |
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