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RAINWATER RE-USE Wastewater / b&te*&k Roof - collects rainwater. The form of the roof and its covering affect the fact if all the water is collected. That is implied by the outlet coefficient (0,6 to 0,8). Contact of rainwater with the roof may result in polluting the rainwater. Therefore, not all types of roof covering are suitable for collecting rainwater. • price of drinking water is permanently going higher • drinking water resources are limited and not everywhere available • rainwater is „soft" water, which means it is ideal for: - washing, because it reduces the consumption of washing - for WC and piping because it doesn't cause incrustation - watering of house plants and garden because it doesn't contain chlorine Rain - water falling down on built-up areas, usually flowing further into sewage system without any other use. Amount of rainwater is not the same everywhere. It is expressed by the average rainfall totals in mm per year, which shows how much rain „falls down" on 1 m2 per year in the certain locality. 1 mm is then 1 liter of water. Gutter channels and pipes rainwater out from the roof. Filter - reming mechanical impurities (e.g. leaves). It must be adequately efficient und self-cleaning. Pipes to the tank - bringing the treated rainwater to the tank. Tank - overground or underground, accumulating the rainwater, it should keep the temperature below 16°C to reduce reproduction of bakteria. (underground tank is better). It must be adequately stable; inlet must be modified to prevent whirling up sediments from the bottom; it must have a safety overflow. Diagramme of water consumption in a house personal hygiene - bathing, showering Drinking water replaceable <^Drinking water network | _ Safety overflow I system - taking away a part I of the rainwater with impurities. Replenishing unit - replenish the tank with drinking water in periods of long drought. It secures separation of drinking water and rainwater. Pump with a pressure switch or domestic waterworks - keeps permanent pressure Rainwater distribution network - distributing rainwater to appliances, must be separated from drinking water network. small" hygiene washing hands Average rainfall totals in mm per year: Praha 570; Brno 660; Olomouc 680; Usable roof area Sewage system - taking out excess rainwater; or alternatively underground absorbing blocks AS-NIDAPLAST. = 50% savings on drinking water MODERN, QUALITY AND ECOLOGICAL PRODUCTS

SEGMENT SYSTEM OF RAINWATER RE-USE rainwater distribution for collei WC, washing machine, from garden, etc. ^ drinking water collecting rainwater AS-REWA tank^l automatic replenishing unit AS-REWA automat rainwater coming absorbing blocks rainwater distribution drinking water automatic replenishing unit AS-REWA automat • downflow filter designed for underground installation under the gutter pipe • made from plastics • filter with pore size of 0,5 mm • dimensions 630 x 630 x 950 mm (length x width x height) Easy, quickly, ecologi • plastic blocks for absorbing water into earth • honeycomb...

COMPACT UNIT AS-REWA Kombi • rainwater filtration, • rainwater accumulation, • pumping rainwater into distribution network, • replenishing drinking water in case of dry periods. On regular basis, we deliver sizes with accumulation • plastic, self-supporting design, • plastic design, to be provided with supporting concrete walls, • doublewall design, to be provided with concrete (plastics - insulation, concrete - load-bearing structure). collecting rainwater --drinking water Access shaft with cover Drinking water replenishing (e.g. from public network) safety overflow Floater to signalize...

COMPACT UNIT AS-REWA Eco Access shaft with a cover safety overflow • downflow filter, • Safety overflow, downflow self-cleaning filter rainwater inlet The price does not include: • electric distribution. ASIO, LTD. Turanka 1, P.O.Box 56, 627 00 Brno, Czech Republic E-mail: asio@asio.cz, www.asio.cz „Easy, quickly, eeologieally