Stormwater Source Control Design Guidelines 2005 - Waterbucket

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Stormwater Source Control Design Guidelines 2005Rainwater Source Control Around the WorldFrancePhoto Credit: Communaute de Lyon“La ville est son assainissement” is a national guideline inFrance covering the principles, methods and tools forintegrated urban stormwater management. Swales (“noues”)are considered desirable source controls because theyintegrate into the landscape as well as sensitize the public tostormwater issues by making stormwater management morevisible. Porous pavements are also being used as a sourcecontrol as well as to reduce urban traffic noise.NetherlandsThe Dutch have developed clear national objectives on sourcecontrol. Separation of stormwater from sewer systems is aprimary focus. Infiltration trenches, green roofs andpermeable pavement systems are recognized measures.Temporary storage of water on streets is used to reduce peakflows, but bicycle paths and sidewalks are not to be flooded –reflecting that country’s transportation preferences.A road run-off purifying system in Lyon,France. The grate leads to an undergroundgeo-textile lined trench filled with sand andpebbles that filters particles and allowssome infiltration. Excess water flows tofurther settling and filtration systems beforereleasing to a lake.Photo Credit: Mr. DubbelingBelgiumLike the Netherlands, the emphasis in Belgium is ondisconnecting impervious areas from combined sewer systems.Some municipalities offer subsidies for source controls; e.g.,the city of Mortsel pays 3.75€ ($5.60)/ m 2 for green roofs to amaximum of 743.68 € ($1100) and 50% of the cost of aninfiltration system up to a maximum of 309.87 € ($465).A common sight in Dutch neighborhoods,wadis are broad swales covered with a layerof humus and planted with grass orvegetation. They are intended to fill withwater during heavy rainfalls and then drainin about 24 hours.The roof leader from this building inBelgium empties into a cobble gutter,which takes the rainwater to apervious lawn surface. Note also thepervious pathway surfacing.Photo Credit: Vlaamse MilieumaatschappijGreater Vancouver Sewerage & Drainage District21
Rainwater Source Control Around the World Stormwater Source Control Design Guidelines 2005This page is intentionally left blank.22Greater Vancouver Sewerage & Drainage District
Page 1 and 2: Stormwater Source ControlDesign Gui
Page 3 and 4: Contents Stormwater Source Control
Page 5 and 6: Acknowledgements Stormwater Source
Page 7 and 8: Introduction Stormwater Source Cont
Page 13 and 14: Summary Posters Stormwater Source C
Page 15 and 16: DESIGN PRINCIPLES■ Maximize the a
Page 17 and 18: DESIGN PRINCIPLES■ Literature sug
Page 19 and 20: DESIGN PRINCIPLES■ Suitable for f
Page 23 and 24: Rainwater Source Control Around the
Page 25: Rainwater Source Control Around the
Page 29 and 30: Absorbent Landscape Stormwater Sour
Page 39 and 40: Infiltration Swale Stormwater Sourc
Page 43 and 44: FLOWGROWING MEDIUMADJACENT GRADE200
Page 45 and 46: FLOWADJACENT GRADE200GROWING MEDIUM
Page 49 and 50: Infiltration Rain Garden Stormwater
Page 51 and 52: Infiltration Rain Garden Stormwater
Page 53 and 54: 12345678910TREE, SHRUB ANDGROUNDCOV
Page 55 and 56: 1123456789101112TREE, SHRUB ANDGROU
Page 57 and 58: 1RAIN WATER LEADER OROTHER INLET4DA
Page 59 and 60: Pervious Paving Stormwater Source C
Page 65 and 66: 1PERMEABLE PAVERS (MIN. 80mm THICKN
Page 69 and 70: Green Roof Stormwater Source Contro
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1WALL CAP FLASHING9WATERPROOF MEMBR
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Green Roof Stormwater Source Contro
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Infiltration Trench and Soakaway Ma
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Infiltration Trench and Soakaway Ma
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1 GRASS OR OTHER PLANTING2FINISH GR
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Design, Construction and Maintenanc
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Candidate Plant List Stormwater Sou
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Glossary Stormwater Source Control
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Glossary Stormwater Source Control
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Stormwater Source Control Design Gu
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Key ContactsLast revised 11 April 2
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Key ContactsLast revised 11 April 2
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Key ReferencesKey AuthorBarry, K.,
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Key ReferencesKey AuthorDeutsche Ve
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Key ReferencesKey AuthorHorner, R.R
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Key ReferencesKey AuthorLower Hunte
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Key ReferencesLast revised 11 April
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Key ReferencesLast revised 11 April
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Key ReferencesKey AuthorUnited Stat
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