Nottingham Trent Left Bank Flood Alleviation Scheme Environmental Statement

359 Pages·2008·55.41 MB·English

by  T J Matthewson

Nottingham Trent Left Bank
Flood Alleviation Scheme
Environmental Statement

VOLUME 1

OCTOBER 2008
Environment AgReenfceyre n Tcietl en umber IMM1000642
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PUBLISHED BY:

Environment Agency
Midlands Region
Olton Court
10 Warwick Road, Olton, Birmingham, B92 7HX
Tel: [phone]
Email: [email protected]
www.environment-agency.gov.uk

© Environment Agency

All rights reserved. This document may be reproduced with
prior permission of the Environment Agency.
Environment Agency Nottingham Trent Left Bank FAS ES
Midlands Region Volume 1

CONTENTS
NOTTINGHAM TRENT LEFT BANK FLOOD ALLEVIATION SCHEME
ENVIRONMENTAL STATEMENT

CONTENTS

NON-TECHNICAL SUMMARY II
1 INTRODUCTION AND BACKGROUND 1
1.1 General............................................................................................................................1
1.2 The Environmental Impact Assessment........................................................................1
1.3 Purpose and Structure of the Environmental Statement................................................2
1.4 Background to the Project..............................................................................................2
1.5 Nottingham Trent Left Bank Flood Alleviation Scheme Objectives...........................3
1.6 Previous Environmental Statement................................................................................4
1.7 Further Information........................................................................................................6
2 ALTERNATIVE OPTIONS CONSIDERED 9
2.1 Introduction....................................................................................................................9
2.2 Alternative Options........................................................................................................9
3 PROPOSED PROJECT 17
3.1 Introduction..................................................................................................................17
3.2 Outline of the Proposed Project...................................................................................17
3.3 Programme of Implementation....................................................................................25
3.4 Construction Activities.................................................................................................26
3.5 Operational Phase.........................................................................................................31
3.6 Use of Natural Resources and Waste Generation.......................................................32
4 PLANNING CONTEXT 35
4.1 National and Regional Plans........................................................................................35
4.2 County and Local Authority Plans...............................................................................35
4.3 Other Non-Statutory Plans...........................................................................................40
4.4. Consents and Approvals...............................................................................................42
4.5 Conclusions..................................................................................................................45
5 CONSULTATION 55
5.1 Introduction..................................................................................................................55
5.2 Internal Consultation....................................................................................................55
5.3 External Consultation...................................................................................................55
5.4 Environmental Statement Consultation.......................................................................58
5.5 Future Consultation......................................................................................................59
6 METHODOLOGY, APPROACH AND SCOPE OF ASSESSMENT 61
6.1 Introduction..................................................................................................................61
6.2 Scope of EIA................................................................................................................61
6.3 Methodology for Assessment of Impact Significance................................................61
6.4 Mitigation.....................................................................................................................63
7 SUMMARY OF EXISTING ENVIRONMENT, ASSESSMENT OF IMPACTS AND
MITIGATION MEASURES 65
7.1 Introduction..................................................................................................................65
7.2 Baseline Surveys..........................................................................................................65
7.3 Human Population........................................................................................................69
7.4 Health Impact Assessment...........................................................................................85
7.5 Flora and Fauna............................................................................................................95
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7.6 Noise and Vibration..................................................................................................115
7.7 Air Quality.................................................................................................................125
7.8 Landscape and Visual Amenity................................................................................131
7.9 Water..........................................................................................................................139
7.10 Traffic and Transport................................................................................................149
7.11 Cultural Heritage and Archaeology..........................................................................155
7.12 Soil, Geology and Hydrogeology.............................................................................163
7.13 Land Use....................................................................................................................171
7.14 Cumulative Impacts...................................................................................................179
8 EFFECTS ON THE SURROUNDING VILLAGES 181
8.1 Background................................................................................................................181
8.2 Extent of Impact........................................................................................................181
8.3 Mitigation Measures..................................................................................................181
9 ENVIRONMENTAL ENHANCEMENTS 185
9.1 Introduction...............................................................................................................185
9.2 Enhancement Opportunities......................................................................................185
10 IMPACTS IN COMBINATION WITH OTHER KNOWN PLANS OR PROJECTS 187
10.1 Introduction...............................................................................................................187
10.2 Other Developments..................................................................................................187
10.3 Conclusion.................................................................................................................189
11 RISKS AND UNCERTAINTIES 191
12 SUMMARY AND CONCLUSIONS 193
13 ENVIRONMENTAL ACTION PLAN 213
13.1 Introduction...............................................................................................................213
13.2 Generic Clauses.........................................................................................................215
13.3 EAP Clauses..............................................................................................................217
14 ABBREVIATIONS 235
15 GLOSSARY 239
16 REFERENCES 245

Annexes

Annex 1 Planning Policies
Annex 2 Background and Methodologies for Flora and Fauna Impact Assessment
Annex 3 Methodology for Landscape and Visual Amenity Assessment
Annex 4 Drawings

Appendices (issued as separate reports)
Appendix A Sawley and Trent Meadows
Appendix B Attenborough, Erewash and Rylands
Appendix C Meadows and Colwick Country Park
Appendix D Colwick
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List of Tables

Table 1.1 The Appendices of the Environmental Statement...................................................6
Table 2.1 Generic Options for Nottingham...........................................................................10
Table 2.2 Summary of Option Selection...............................................................................14
Table 3.1 Summary of Proposed Works within Erewash Borough Council Jurisdiction
(Sawley and Trent Meadows)................................................................................18
Table 3.2 Summary of Proposed Works within Broxtowe Borough Council Jurisdiction
(Attenborough, Erewash and Rylands)..................................................................19
Table 3.3 Summary of Proposed Works within Nottingham City Council Jurisdiction
(Meadows and Colwick Country Park).................................................................23
Table 3.4 Summary of Proposed Works within Gedling Borough Council Jurisdiction
(Colwick)...............................................................................................................25
Table 3.5 Proposed Delivery Programme..............................................................................26
Table 4.2 Administrative Counties, Local Planning Authorities and Associated Development
Plans......................................................................................................................35
Table 4.1 Relevant National and Regional Plans and Strategies to the Nottingham Trent Left
Bank FAS..............................................................................................................36
Table 4.3 Local and National Habitat Biodiversity Action Plans Relevant to River Trent
Floodplain..............................................................................................................41
Table 4.4 Local Priority Species Biodiversity Action Plans Relevant to River Trent
Floodplain..............................................................................................................42
Table 4.5 Scheme Reaches Requiring Planning Permission.................................................43
Table 5.1 Local Planning Authority Screening Opinions......................................................57
Table 6.1 Determination of Impact Assessment....................................................................62
Table 6.2 Duration of Impacts.............................................................................................63
Table 7.1 Environmental Survey Details...............................................................................66
Table 7.2 Sensitivity of Human Receptors and Magnitude of Effect...................................70
Table 7.3 Number of Properties Presently at Risk of Flooding from a Flood Event with a 1%
Annual Probability of Occurrence.........................................................................71
Table 7.4 Key Local Businesses Potentially Affected by the Nottingham Trent Left Bank
FAS........................................................................................................................72
Table 7.5 Key Recreational Resources..................................................................................74
Table 7.6 Number of Properties in Close Proximity to the Scheme......................................75
Table 7.7 Summary of Sensitive Sites in Close Proximity to the Scheme and Potential
Impacts...................................................................................................................78
Table 7.8 Summary of Impacts on Recreation Resources for each Scheme Area................79
Table 7.9 Bat Roosts along the Nottingham Trent Left Bank FAS.....................................101
Table 7.10 Sites of District Importance for Invertebrates Affected by the Scheme..............103
Table 7.11 Summary of Land Take within Attenborough SSSI............................................105
Table 7.12 Land Take within SINCs/LWS............................................................................105
Table 7.13 Depreciation in Plant Noise Emissions with Increasing Distance from Source..116
Table 7.14 Human Receptors within 200m of the Proposed Defences.................................117
Table 7.15 Areas of Works that will result in a Significant Level of Landscape and Visual
Effects..................................................................................................................133
Table 7.16 Recurring Landscape and Visual Impacts with Potential Mitigation and
Reinstatement Measures......................................................................................134
Table 7.17 Sensitivity of Water Receptors and Magnitude of Effect...................................140
Table 7.18 Main Waterbodies and Watercourses Next to Works..........................................141
Table 7.19 Chemical and Biological GQA Water Quality Grades........................................142
Table 7.20 Water Quality Grades for Watercourses..............................................................142
Table 7.21 Estimated Lorry Movements...............................................................................150
Table 7.22 Sensitivity of Agricultural Land (provisional, pre-revision system)...................172
Table 7.23 Existing and Increased Footprints of New and Raised Defences........................173
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Environment Agency Nottingham Trent Left Bank FAS ES
Midlands Region Volume 1

Table 8.1 Summary of Impacts and Proposed Mitigation Measures for Nottingham’s
Surrounding Villages...........................................................................................183
Table 12.1 Summary of Environmental Impacts...................................................................197
Table 13.1 Environmental Action Plan for Nottingham Trent Left Bank FAS.....................217
Table V1.1 Relevant Local Planning Policy for Human Population......................................251
Table V1.2 National and Regional Planning Policy in relation to Flora and Fauna...............256
Table V1.3 Relevant Local Planning Policy for Flora & Fauna.............................................260
Table V1.4 Relevant Local Planning Policy for Land Use and Landscape............................265
Table V1.5 Relevant Local Planning Policy for Cultural Heritage and Archaeology............267
Table V2.1 Protected Species Legislation..............................................................................275
Table V2.2 Criteria used to Assess the Likely Quality of Semi-Natural Habitats for Important
Invertebrates........................................................................................................279
Table V2.3 Valuation of Ecological Receptors......................................................................280
Table V2.4 Criteria Used to Define Significance of Invertebrate Habitats............................281
Table V2.5 Magnitude of Change..........................................................................................282
Table V2.6 Guide to Determination of Ecological Impact Assessment*...............................282
Table V3.1 Summary of Sensitive Landscape Resources......................................................297
Table V3.2 Summary of Magnitude of Landscape Effects....................................................298
Table V3.3 Evaluation of Significance of Landscape Effects................................................298
Table V3.4 Summary of Visual Receptor Sensitivity.............................................................299
Table V3.5 Summary of Magnitude of Visual Effects...........................................................299

List of Figures

In Main Text
Figure 1.1 Individual Scheme Areas of the Nottingham Trent Left Bank FAS........................7
Figure 4.1 Areas of Permitted Development, Planning Applications and Mitigation Measures:
Erewash Borough Council.....................................................................................47
Figure 4.2 Areas of Permitted Development, Planning Applications and Mitigation Measures:
Broxtowe Borough Council...................................................................................49
Figure 4.3 Areas of Permitted Development, Planning Applications and Mitigation Measures:
Nottingham City Council.......................................................................................51
Figure 4.4 Areas of Permitted Development, Planning Applications and Mitigation Measures:
Gedling Borough Council......................................................................................53
Figure 7.1 Summary of Main Potential Impacts on Human Population.................................83
Figure 7.2 Attenborough Gravel Pits SSSI.............................................................................98
Figure 7.3 Summary of Main Potential Impacts on Flora and Fauna...................................113
Figure 7.4 Summary of Main Potential Impacts on Noise and Vibration.............................123
Figure 7.5 Summary of Main Potential Impacts on Landscape and Visual Amenity...........137
Figure 7.6 Summary of Main Potential Impacts on Water...................................................147
Figure 7.7 Summary of Main Potential Impacts on Traffic & Transport..............................153
Figure 7.8 Areas of Archaeological interest at Sawley Village (Sawley and Trent Meadows
Scheme Area)......................................................................................................156
Figure 7.9 Areas of Archaeological interest at Attenborough Village (Attenborough, Erewash
and Rylands Scheme Area)..................................................................................157
Figure 7.10 Summary of Main Potential Impacts on Archaeology and Cultural History.......161
Figure 7.11 Summary of Main Potential Impacts on Soil, Geology and Hydrogeology........169
Figure 7.12 Summary of Main Potential Impacts on Land Use..............................................177

Figures in Annex 2
Figure V2.1 Specialist Ecological Survey Locations Sawley
Figure V2.2 Specialist Ecological Survey Locations Trent Meadows
Figure V2.3 Specialist Ecological Survey Locations Attenborough, Erewash & Rylands
Figure V2.4 Specialist Ecological Survey Locations Meadows & Colwick Country Park
Figure V2.5 Specialist Ecological Survey Locations Colwick

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Environment Agency Nottingham Trent Left Bank FAS ES
Midlands Region Volume 1

Figures in Annex 4
Figure V4.1 Scheme Overview 1 of 12
Figure V4.2 Scheme Overview 2 of 12
Figure V4.3 Scheme Overview 3 of 12
Figure V4.4 Scheme Overview 4 of 12
Figure V4.5 Scheme Overview 5 of 12
Figure V4.6 Scheme Overview 6 of 12
Figure V4.7 Scheme Overview 7 of 12
Figure V4.8 Scheme Overview 8 of 12
Figure V4.9 Scheme Overview 9 of 12
Figure V4.10 Scheme Overview 10 of 12
Figure V4.11 Scheme Overview 11 of 12
Figure V4.12 Scheme Overview 12 of 12

All the maps provided within this document having Ordnance Survey material are with the
permission of Ordnance Survey on behalf of the Controller of Her Majesty's Stationery Office ©
Crown copyright. Environment Agency, 100026380, 2008.
October 2008 vii
Environment Agency Nottingham Trent Left Bank FAS ES
Midlands Region Volume 1

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October 2008 i
Nottingham Trent Left Bank
Flood Alleviation Scheme

Environmental Statement
Non Technical Summary
October 2008

This Non Technical Summary relates to the Environmental Statement
which was compiled as part of the Environmental Impact Assessment
process for the Nottingham Trent Left Bank Flood Alleviation Scheme.
Glossary

Abbreviation Definition
CIRIA Construction Industry Research and Information Association
cSINC Candidate Site of Importance for Nature Conservation
Critical Infrastructure Basic facilities and installations whose loss or compromise of would have a
major impact on the well being of society. E.g. sewage works, water
treatment works, electricity sub-stations.
Ha Hectare (area of land)
LWS Local Wildlife Site (called a SINC in Nottinghamshire)
Penstock A valve mechanism for controlling water flows
SSSI Site of Special Scientific Interest
SINC Site of Importance for Nature Conservation (called a Local Wildlife Site in
Derbyshire)
Steel sheet piles A series of steel plates that are driven into the ground to provide support for a
structure or restrict groundwater flows.
1% annual probability of A flood event that has a 1 in 100 chance of occurring in any given year
flooding
2% annual probability of A flood event with a 1 in 50 chance of occurring in any given year
flooding

The River Trent, Nottingham

Environment Agency - i - Nottingham Trent Left Bank Flood Alleviation Scheme