SuDS in London - a guide

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• The specified kerb drains were made smaller during construction due to the high retaining wall footing and the 600mm wide narrow verge • Deep-bored soakaways were used extensively throughout the project. During the construction of some soakaways, the piling contractor met some obstructions. This was overcome by relocating the soakaways, but only small changes in the positions were needed Carriageway filter strip Surrounding carriageway context Plan 112 5 Case studies
5.19 London Sustainable Industries Park, Dagenham Location Dagenham London Borough of Barking and Dagenham Extent 142ha Cost £30m (Total scheme) Date 2009-10 Credits Civic Engineers T. R. Collier & Associates Sergison Bates Vogt Landscape Price & Myers URS GHP SuDS components Swales Managed wetland and woodland Bioretention Water recycling Summary An integrated water management and infrastructure plan for an industrial park. Project description The London Sustainable Industries Park (LSIP) is part of the Thames Gateway regeneration at Dagenham Dock in East London. It is an international exemplar, created with the goal of making Thames Gateway the UK’s first Eco Region. The site is south of the A13 and close to Dagenham Dock Railway Station and the Barking Reach Power Station. The Gores Brook receives outflow from the site which then discharges into the River Thames. Consideration of the hydrology of the site was crucial to achieving a successful scheme. Objectives • Install a water management system for the LSIP • Transform the existing infrastructure onsite to create a self-sustaining exemplar of green infrastructure design and planning Actions and results • Swales and bioretention basins allow water to be conveyed from roofs, roads and other features into a system of components with a high attenuation storage capacity. This limits the outflow of water into Gores Brook at a rate of 12 L/s/ha during prolonged and/ or high peak flow rainfall events • Water quality is improved by allowing suspended solids to settle out and other pollutants, such as hydrocarbons, to be treated or their discharge limited • Attenuation tanks allow rainfall to be recycled for use by services that use ‘grey’ water Benefits • Negates the need for costly remediation systems, such as petrol interceptors • The volume of low water quality run off from carriageways and other built infrastructure on the industrial park has been reduced • BREEAM ‘Excellent’ rating achieved (2010) 113 5 Case studies
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SuDS in London - a guide November 2
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Introduction
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II Who is the guidance for? Primari
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1 Principles of SuDS
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1.2 Wider benefits The ambition for
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1.3.1 Water quantity SuDS mitigate
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1.3.2 Water quality Surface water i
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1.3.4 Biodiversity London’s natur
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2.1 What is unique about London? Th
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Hampstead Ridge Valley Lea Valley L
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• Amenity/biodiversity: the natur
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2.7 Townscape Townscape is the mix
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2.9 London’s green infrastructure
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2.13 Archaeology London’s history
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3 SuDS components
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A number of case studies illustrati
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3.2 Structures Roofs and walls can
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Case study 1 - Structures Location
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3.3 Infiltration systems London’s
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Case study 3 - Infiltration systems
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3.4 Filter strips Filter strips are
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3.6 Wet swales and dry swales Swale
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Case study 5 - Swale Location Mill
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Maintenance Channel systems require
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Case study 6 - Bioretention Locatio
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3.9 Trees Trees in the hard landsca
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Street trees: biodiversity Where tr
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3.10 Permeable paving Permeable pav
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Case study 9 - Permeable paving Loc
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3.11 Detention basins Detention bas
Page 61 and 62: 3.12 Attenuation and storage tanks
Page 63 and 64: Design considerations Sedimentation
Page 65 and 66: 4 SuDS in London’s streets
Page 67 and 68: 4.2 Street scenarios Street scenari
Page 69 and 70: Street scenario 3 An important foca
Page 71 and 72: Street scenario 5 A well-connected
Page 73 and 74: Street scenario 7 A local shopping
Page 75 and 76: 5 Case studies
Page 77 and 78: 5.1 Priory Common rain meadow Locat
Page 79 and 80: 5.2 Upminster Bridge swale Location
Page 81 and 82: 5.3 Kenmont Gardens Location Kensal
Page 83 and 84: 5.4 Derbyshire Street Pocket Park L
Page 85 and 86: 5.5 Renfrew Close Location London B
Page 87 and 88: 5.6 Islington Town Hall Location Up
Page 89 and 90: 5.7 Rectory Gardens Location Hornse
Page 91 and 92: 5.8 Talgarth Road Location Talgarth
Page 93 and 94: 5.9 Mile End Green Bridge Location
Page 95 and 96: 5.10 Queen Caroline Estate Location
Page 97 and 98: 5.11 Bridget Joyce Square, Australi
Page 99 and 100: 5.12 Crown Woods Way Location Eltha
Page 101 and 102: 5.13 Hackbridge Location Hackbridge
Page 103 and 104: 5.14 Goldhawk Road Location Shepher
Page 105 and 106: 5.15 Firs Farm Wetlands Location Wi
Page 107 and 108: 5.16 Salmons Brook Glenbrook Stream
Page 109 and 110: 5.17 LuL depot roof, Middlesex Loca
Page 111: 5.18 A23 Coulsdon Bypass, Farthing
Page 115 and 116: 5.20 Great Kneighton / Clay Farm, C
Page 117 and 118: 5.21 Alnarpsgården Swedish Univers
Page 119 and 120: 5.22 Benthemplein (Water Square) Lo
Page 121 and 122: 5.23 Rue Garibaldi Location Lyon Fr
Page 123 and 124: 5.24 Bo01 Võstra Hamnen Location M
Page 125 and 126: 6 Implementation
Page 127 and 128: Kings Cross LWT: Camley Street A so
Page 129 and 130: 6.3 Drainage hierarchy SuDS designs
Page 131 and 132: 7 Cost benefit
Page 133 and 134: 7.2 Methodology Cost benefit estima
Page 135 and 136: 4.4 LANDSCAPE WATER MANAGEMENT STRA
Page 137 and 138: Appendices
Page 139 and 140: i-Tree Eco Project (2015) Valuing L
Page 141 and 142: Movement of water from one location
Page 143 and 144: Heat island Describes urban built u
Page 145 and 146: Prevention Site design and manageme
Page 147 and 148: Team The guidance has been produced
Page 149 and 150: Photo credits 80 Swale sections TfL
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