Stormwater Source Control Design Guidelines 2005 - Waterbucket

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Stormwater Source Control Design Guidelines 2005Design, Construction and Maintenance ProcessOutputs from the SWMM model include:−−−−−−catchment runoff flow ratesshallow groundwater or interflow flow ratesevaporation volumeswater levels in conduits or detention pondssoil moisture and groundwater table elevationstatistical summaries on water balance for model rundurationThe SWMM model can be used for site, subdivision andwatershed level analysis. Using previously-established generalparameters will give reasonable results with furtherimprovements possible by calibrating a limited set of variablesto site specific observations.Greater Vancouver Sewerage & Drainage District101
Design, Construction and Maintenance Process Stormwater Source Control Design Guidelines 2005Strategies to Deal with Limited Infiltration RatesThere are a wide variety of soil conditions in the GVRD, andinfiltration rates will vary considerably. Depending on soilconditions, various designs of full or partial infiltration sourcecontrols are appropriate. Table F6 provides general guidanceon the match between source control type and infiltration rate.Use these as guidelines, not rules.Table F6: Tentative Match: Source Control Type to Soil InfiltrationRateSoil Infiltration Ratetested at the site ofproposed infiltration.Full InfiltrationFull Infiltrationwith ReservoirPartialInfiltration withReservoir andSubdrainPartialInfiltration withFlow Restrictor>30 mm/hr. X ? ?15-30 mm/hr. ? X ?1-15 mm/hr. ? X
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Stormwater Source ControlDesign Gui
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Contents Stormwater Source Control
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Acknowledgements Stormwater Source
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Introduction Stormwater Source Cont
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Summary Posters Stormwater Source C
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DESIGN PRINCIPLES■ Maximize the a
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DESIGN PRINCIPLES■ Literature sug
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DESIGN PRINCIPLES■ Suitable for f
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Rainwater Source Control Around the
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Absorbent Landscape Stormwater Sour
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Infiltration Swale Stormwater Sourc
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FLOWGROWING MEDIUMADJACENT GRADE200
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FLOWADJACENT GRADE200GROWING MEDIUM
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Infiltration Rain Garden Stormwater
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Infiltration Rain Garden Stormwater
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12345678910TREE, SHRUB ANDGROUNDCOV
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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
Page 77 and 78: 1WALL CAP FLASHING9WATERPROOF MEMBR
Page 81 and 82: Infiltration Trench and Soakaway Ma
Page 83 and 84: Infiltration Trench and Soakaway Ma
Page 85 and 86: 1 GRASS OR OTHER PLANTING2FINISH GR
Page 87 and 88: Design, Construction and Maintenanc
Page 105: Design, Construction and Maintenanc
Page 125 and 126: Candidate Plant List Stormwater Sou
Page 133 and 134: Glossary Stormwater Source Control
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Page 137 and 138: Stormwater Source Control Design Gu
Page 139 and 140: Key ContactsLast revised 11 April 2
Page 141 and 142: Key ContactsLast revised 11 April 2
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Page 145 and 146: Key ReferencesKey AuthorBarry, K.,
Page 147 and 148: Key ReferencesKey AuthorDeutsche Ve
Page 149 and 150: Key ReferencesKey AuthorHorner, R.R
Page 151 and 152: Key ReferencesKey AuthorLower Hunte
Page 153 and 154: Key ReferencesLast revised 11 April
Page 155 and 156: Key ReferencesLast revised 11 April
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Key ReferencesKey AuthorUnited Stat
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Stormwater Source Control Design Gu
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