Page 27 - Hillingdon SuDS DESIGN & EVALUATION

This varying geology also means there are a
number of other constraints to be considered
to find the best drainage solution, including
high groundwater along the river valleys
within the gravels, source protection zones (
mainly in the north), springs, as well
contaminated land. Local SuDS requirements

Hillingdon Solid Geology Map THIS DRAWING MAY BE USED ONLY FOR Hillingdon Drift Geology Map THIS DRAWING MAY BE USED ONLY FOR
THE PURPOSE INTENDED AND ONLY
THE PURPOSE INTENDED AND ONLY
WRITTEN DIMENSIONS SHALL BE USED
WRITTEN DIMENSIONS SHALL BE USED
NOTES NOTES
London Borough of Hillingdon London Borough of Hillingdon
Towns Towns
Main Watercourses Main Watercourses
Northwood
Northwood Solid Geology Drift Geology
London Clay Alluvium
THIS DRAWING MAY BE USED ONLY FOR THIS DRAWING MAY BE USED ONLY FOR
River Terrace Deposits
THE PURPOSE INTENDED AND ONLY
THE PURPOSE INTENDED AND ONLY
Harefield Harefield Lambeth Group WRITTEN DIMENSIONS SHALL BE USED WRITTEN DIMENSIONS SHALL BE USED
(includes various silt, sand
Upper Chalk Formation NOTES and gravel deposits) NOTES
London Borough of Hillingdon London Borough of Hillingdon
Towns Towns
Ruislip Common Ruislip Common Main Watercourses Main Watercourses
Northwood Solid Geology Drift Geology
Northwood
London Clay Alluvium
Ruislip Eastcote Harefield Ruislip Eastcote Harefield Lambeth Group River Terrace Deposits
(includes various silt, sand
Upper Chalk Formation and gravel deposits)
Ickenham Ickenham
Ruislip Common Ruislip Common
22
Ruislip Eastcote Ruislip Eastcote
Copyright Copyright
This map is reproduced from Ordnance Survey This map is reproduced from Ordnance Survey
Uxbridge Uxbridge material with the permission of Ordnance Survey material with the permission of Ordnance Survey
on behalf of the Controller of Her Majesty's on behalf of the Controller of Her Majesty's
Stationary Office. Stationary Office.
© Crown copyright © Crown copyright
Ickenham Ickenham
Hillingdon Hillingdon Unauthorised reproduction infringes Crown Unauthorised reproduction infringes Crown
copyright and may lead to prosecution or
copyright and may lead to prosecution or
Cowley Cowley civil proceedings. civil proceedings.
Scott Wilson GD0100031673 2006 Scott Wilson GD0100031673 2006
Yeading Yeading
Hayes Hayes Copyright Copyright
This map is reproduced from Ordnance Survey
This map is reproduced from Ordnance Survey
Yiewsley Uxbridge Yiewsley Uxbridge material with the permission of Ordnance Survey material with the permission of Ordnance Survey
on behalf of the Controller of Her Majesty's
on behalf of the Controller of Her Majesty's
Stationary Office. Stationary Office.
Revision Details By Date Suffix Revision Details By Date Suffix
Check © Crown copyright Check © Crown copyright
Drawing Status Drawing Status
Hillingdon FINAL Hillingdon Unauthorised reproduction infringes Crown FINAL Unauthorised reproduction infringes Crown
copyright and may lead to prosecution or
copyright and may lead to prosecution or
West Drayton Cowley West Drayton Job Title Cowley civil proceedings. Job Title civil proceedings.
LONDON BOROUGH OF
LONDON BOROUGH OF Scott Wilson GD0100031673 2006 Yeading Scott Wilson GD0100031673 2006
Yeading
HILLINGDON SFRA Yiewsley Revision Details Drawing Title HILLINGDON SFRA Revision Details Date Suffix
Hayes
Hayes
Filepath: K:\D_Hillingdon_SFRA\ArcGIS\MXDs\Final Figures\Figure 8 Solid Geology.mxd Longford Filepath: K:\D_Hillingdon_SFRA\ArcGIS\MXDs\Final Figures\Figure 9 Drift Geology.mxd Heathrow Airport Longford Heathrow Airport TD Stage 2 check 1:75,000 HR Date West Drayton Drawing Status HILLINGDON SFRA 1:75,000 HR Date Drawing Status HILLINGDON SFRA
Sipson
Sipson
Drawing Title
Yiewsley
Harmondsworth
Harmondsworth
Suffix
SOLID GEOLOGY
DRIFT GEOLOGY
Date
By
By
Check
Check
FINAL
FINAL
Scale at A3
Scale at A3
West Drayton
Job Title
Job Title
TD
Drawn
Drawn
Approved
Approved
LONDON BOROUGH OF
LONDON BOROUGH OF
Originated
Stage 1 check
Originated
Stage 2 check
Stage 1 check
Scott Wilson
Scott Wilson
Plot Date: 12th November 2007 Filepath: K:\D_Hillingdon_SFRA\ArcGIS\MXDs\Final Figures\Figure 8 Solid Geology.mxd Plot Date: 15th November 2007 Longford Harmondsworth Heathrow Airport Scott House FIGURE 8 Rev Longford Harmondsworth Drawing Title SOLID GEOLOGY FIGURE 9 Rev Drawing Title TD 1:75,000 HR
Sipson
Scott House
Sipson
Basing View, Basingstoke
Basing View, Basingstoke
Hampshire, RG21 4JG
Hampshire, RG21 4JG
Telephone (01256) 310200
Telephone (01256) 310200
Fax (01256) 310201
Fax (01256) 310201
www.scottwilson.com
www.scottwilson.com
DRIFT GEOLOGY
Drawing Number
Drawing Number
1:75,000
Scale at A3
Scale at A3
HR
TD
Drawn
Approved
Drawn
Approved
Heathrow Airport
Scott Wilson
Scott Wilson
Plot Date: 12th November 2007 Plot Date: 15th November 2007 Filepath: K:\D_Hillingdon_SFRA\ArcGIS\MXDs\Final Figures\Figure 9 Drift Geology.mxd Stage 1 check Stage 2 check Originated Date Rev Stage 1 check Stage 2 check Originated Date Rev
Scott House
Scott House
Basing View, Basingstoke
Basing View, Basingstoke
Hampshire, RG21 4JG
Hampshire, RG21 4JG
Telephone (01256) 310200
Telephone (01256) 310200
Fax (01256) 310201
Fax (01256) 310201
www.scottwilson.com
www.scottwilson.com
Drawing Number
Drawing Number
FIGURE 8
FIGURE 9
London Borough of Hillingdon SuDS D & E Guide © 2018 McCloy Consulting & Robert Bray Associates