Rain Water Harvesting - The Design

Rooftop Storage And Utilisation

Roof Water Harvesting

• Storage of Rain Water On Roof Top
• Area of Roof X Avg. Rain Fall = Availibility of Rain Water

• Water From Roof Stored In The Side Open Space
• Requires To Reduce – Garden / Parking Space
• Open Storage Of Water Would Result In Evaporation Loss, Contamination.
• Covering On Water Tank Would Be Required .

Care After Post Harvesting

• No  Water  Storage  Below  Toilets,  The  Volume  Of  U.G.  Water  Storage  Tank   To  Be  Designed  Accordingly.
• No  Inspection  Chamber  Near  U.  G.  Water  Storage  Tank.
• Inspection  Chamber  Of  R.C.C.  Or  C.I.  With  Perfect  Water  Proofing.
• Drain  Pipes  /  Inspection  Chamber  Should  Be  Away  From  Water  Storage.
• Drain  Pipes  Not  Of  2’-0”  China  Ware  With  Socket  Spigot  Joint  But  20’-0”  Heavy  P.V.C.  Pipes  Should  Be  Used.