Canada; Recovering Rainwater - Montreal

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Canada; Recovering Rainwater - Montreal
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  Precipitation (rain, hail, snow or reezingrain) is increasing in requency and intensity.As a result: greater incidence o respiratory problems ã loss o vegetation and withering o  ã landscapingdrying out o soil ã cracking o oundations in clay soil ã there is a greater risk o sewer ã backlows on the street and inbasementsthere is an increase in the costs o  ã disasters and insurance premiumsrelated to water damage DID YOU KNOW THAT... In Montréal No. of days when the temperature is 30°Cand over in Montréal *30-yearaverageIn2005*Forecast2030-20408 days 22 days 46 days *Source: Environment Canada, 2002 ville.montreal.qc.ca/environnement Would you like information to select thetechniques and equipment best suited to yourenvironment?Contact your Éco-quartier or an environmentalorganization in your area.There you will be able to obtain advice or get areferral to a specialized resource. Faced withclimate change RecOveRINgRAINWATeR Direction de l’eauDirection del’environnement etdu développementdurable Faced with climate change  Year ater year, the Montréal climate isaected by climate change.The summers tend to become longer, theheat waves more requent and the dryspells increase. Such situations contributetoward worsening already existing problems,including:Under Bylaw 2008-47 onwater purifcation, issued by theCommunauté métropolitaine deMontréal “When drainage water rom roos is collected by a gutter system[...], this water must be directed onto the surace o the soil, at least 1.5 metres rom a building,while avoiding infltration toward any oundation drain.“      D   e   s   i   g   n  :   i   n   c  u   b   e   s   t  u   d   i   o .   c   a Direction de l’eauDirection del’environnement etdu développementdurable    J  u   l  y   2   0   0   9 This project is fnanced by the Green Fund,within Action 2.1 o the 2006-2012 Action Planon Climate Change (APCC). Printed on FSC-certifed paper The suggestions in this pamphlet are o a general nature and may not suit all buildings. Since each building has its ownspecifc characteristics, a proessional should be consulted inorder to make sure that any o the suggested methods is appropriate. This project is fnanced by the Green Fund,within Action 2.1 o the 2006-2012 Action Planon Climate Change (APCC). Printed on FSC-certifed paper The suggestions in this pamphlet are o a general nature and may not suit all buildings. Since each building has its ownspecifc characteristics, a proessional should be consulted inorder to make sure that any o the suggested methods is appropriate.    D   e   s   i   g   n  :   i   n   c  u   b   e   s   t  u   d   i   o .   c   a  A gutter equipped with a simple, inexpensivedevice that directs the rainwater toward the lawn,the vegetable garden, the landscaping or treeshelps hydrate the soil and better preserve thevegetation in dry periods.A downspout extender or sel-coiling diverter, apercolating well, a drainage trench… These aresome o the many ways o redirecting the waterrom the roo to infltrate the soil. Just makesure to direct the water at least 1.5 metres romyour building oundation, without doing anythingdetrimental to your neighbours. How can you do more? Grow a rain garden. I your grounds are suitable or a rain garden,consider growing a rain garden. Select plants thatlike to have their “eet in the water”. TO PReSeRveYOURLANDScAPINg Storing rainwater in reservoirs helps build up areserve o unchlorinated water, ideal or wateringthe garden and plants, in addition to savingdrinking water.Place your barrel at a certain height in order totake advantage o the eect o gravity whenwatering. “Ready-to-install” equipment isavailable in hardware stores. TO HAve AReSeRve OFQUALITY WATeR In summer, plants keep walls in the shade,preventing heat build-up there . In winter, thealling leaves help store the heat o the sun.Plants also contribute toward puriying andrereshing the air.A vegetation barrier may be set up directly onthe outside surace materials o your building orby growing climbing plants on a lattice support,a ew inches rom the wall.Climbing plants on south and west walls o atraditional house may cut down up to 25% onair conditioning costs (Labrecque and Vergriete,2007). PReveNTHeAT STROKe :gO gReeN! Nearly 50% o Montréal buildings are constructedon clay soil. Champlain clay contracts whenit dries. The stress then placed on buildingoundations may cause cracks in the building. Theaverage cost o a repair is $17,000. This problemmight reoccur rom time to time with the globalwarming trend. Take precautions. Use rainwaterto keep the soil moist. TO PROTecTTHe FOUNDATIONOF YOUR BUILDINg RecOveRINg RAINWATeR
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