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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
For and on behalf of London Borough of Enfield Council ref: 16/01082/DCO
April 2016
1
Client: London Borough of Enfield
TOWN AND COUNTRY PLANNING ACT 1990
Application by North London Waste Authority for an Order Granting Development Consent for the North London Heat and Power Project
Local Impact Report
The Edmonton EcoPark, Advent Way, London, N18 3AG
Prepared by DLP Planning Ltd
London
April 2016 DLP reference: LEN5002P
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dynamic development solutions TM
Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
For and on behalf of London Borough of Enfield Council ref: 16/01082/DCO
April 2016
CONTENTS PAGE
1.0 EXECUTIVE SUMMARY 1
2.0 INTRODUCTION 2
3.0 SITE DESCRIPTION AND CONTEXT 3
4.0 THE PROPOSED DEVELOPMENT 5
5.0 POLICY CONTEXT 7
6.0 IMPACT ON THE LONDON BOROUGH OF ENFIELD 9
7.0 CONCLUSION 50
APPENDIX A: SUGGESTED CHANGES TO DRAFT DCO 52
APPENDIX B: SCHEDULE OF ISSUES WITH DRAFT DCO 53
APPENDIX C: SUMMARY OF CHANGES NEEDED 58
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dynamic development solutions TM
Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
For and on behalf of London Borough of Enfield Council ref: 16/01082/DCO
April 2016
1
1.0 EXECUTIVE SUMMARY
1.1 This Local Impact Report has been prepared for the London Borough of Enfield in
accordance with section 60 of the Planning Act 2008 (as amended) which provides
that relevant local authorities can prepare a report giving details of the likely impact of
the proposed development on the authority’s area (or any part of that area). This
report supplements representations already made by the local authority on the
proposed development as part of the application by the North London Waste
Authority for a Development Consent Order to authorise the scheme.
1.2 The local authority is clear that it supports the principle of the development proposed
here. The local authority is one of the seven boroughs that are preparing the joint
North London Waste Plan, and therefore notes that the proposed development will
make a significant contribution to diverting residual waste away from landfill in line
with local, regional and national policy and in line with the waste hierarchy.
1.3 There are, however, a number of issues that the local authority has identified with the
proposed development that are set out in more detail in this report, and in response
to this a number of changes are suggested to the draft Development Consent Order
and supporting documents to overcome these issues.
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
For and on behalf of London Borough of Enfield Council ref: 16/01082/DCO
April 2016
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2.0 INTRODUCTION
2.1 DLP Planning Ltd has been instructed by the London Borough of Enfield (the local
authority) to prepare a Local Impact Report (LIR) as part of the application for a
Development Consent Order (DCO) which has been submitted by the North London
Waste Authority (NLWA, the applicant), and has been accepted by the National
Infrastructure Directorate of the Planning Inspectorate. The local authority is the
local planning authority for the area in which the DCO is proposed; accordingly, the
local authority is a designated ‘interested party’.
2.2 This LIR has been prepared in accordance with section 60 of the Planning Act 2008
(as amended) which provides that relevant local authorities can prepare a report
giving details of the likely impact of the proposed development on the authority’s area
(or any part of that area).
2.3 To date the local authority has made two formal representations on the DCO
application which are the Relevant Representation on the 22nd December 2015 and
Written Representation on the 23rd March 2016. This LIR provides more detailed
information on the anticipated impacts within the London Borough of Enfield should
the proposed development go forward in its present form and how unsatisfactory
elements of the application can addressed.
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
For and on behalf of London Borough of Enfield Council ref: 16/01082/DCO
April 2016
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3.0 SITE DESCRIPTION AND CONTEXT
3.1 The Edmonton EcoPark site covers to 22.2 hectares and is located wholly within the
Borough and comprises an existing waste management site. The site is located to
the north of the A406 North Circular Road in an area that is predominantly industrial.
The Lee Valley Regional Park (LVRP) is located to the east while land to the north
and west is predominantly industrial in nature. Immediately to the north of the
Edmonton EcoPark is an existing Materials Recycling Facility (MRF) which is
operated by a commercial waste management company, alongside other industrial
buildings. Further north is Deephams Sewage Treatment Works (STW).
3.2 Beyond the industrial area to the north-west is a residential area with Badma Close
being the nearest street, approximately 600m from the Edmonton EcoPark and 60m
from the nearest part of the site boundary (the northern access road – Ardra Road).
Zambezie Drive is the closest residential area to the boundary of the application site,
located approximately 310m north-west of the Edmonton EcoPark. Eley Industrial
Estate located to the west and comprises a mixture of retail units, industrial and
warehousing uses.
3.3 Advent Way is located to the south of the site adjacent to the A406 North Circular
Road (Angel Road). Further south of the A406 North Circular Road is an area that
contains a mix of retail, industrial and light manufacturing use, with some of which is
designated as a Strategic Industrial Location (SIL) and is known as Meridian Water.
A Masterplan document setting out the vision for the development of this area (The
Meridian Water Master Plan) was published by the local authority in July 2013. The
area also sits within the wider the Central Leeside area for which an Area Action Plan
(AAP) is being developed. Central Leeside is one of the most significant
regeneration opportunities in Enfield. It occupies a strategic position in the London
and wider Stansted corridor and lies in the London-Anglia Growth Partnership sub
region.
3.4 The LVRP and River Lee Navigation are immediately adjacent to the eastern
boundary of the Edmonton EcoPark, and the Lee Park Way, a private road which
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
For and on behalf of London Borough of Enfield Council ref: 16/01082/DCO
April 2016
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also forms National Cycle Route no. 1, runs alongside the Navigation. The LVRP is
located to the east of the River Lee Navigation where the William Girling Reservoir is
located along with an area currently occupied by Camden Aggregates which is used
for the crushing, screening and stockpiling of concrete, soil and other recyclable
materials. The nearest residential areas to the east of the Application Site and LVRP
are located at Lower Hall Lane (in the London Borough of Waltham Forest),
approximately 550m from the Edmonton EcoPark and 150m from the eastern edge of
the Application Site.
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
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4.0 THE PROPOSED DEVELOPMENT
4.1 The DCO application is seeking consent for an Energy Recovery Facility (ERF)
generating electricity using residual waste as a fuel and capable of an electrical
output of around 70 MW comprising:
two process lines, with each line having a capacity of 350ktpa, a moving
grate, furnace, boiler and a flue gas treatment plant and stack;
a steam turbine and generator set;
‘heat off-take’ equipment within the ERF which will generate an initial heat
supply through a connection to a separate heat network centre that will be
located on the site. This separate heat network centre is not part of the
Project and will be developed by the London Borough of Enfield. The
separate heat network will be designed to be capable of providing heat in the
region of 30 MW which will provide benefit to north and east London;
a waste bunker with two overhead cranes and capacity to hold a minimum
equivalent of 5 days of residual waste;
air or water cooled condenser(s);
a plant control and monitoring system;
an emergency diesel generator;
tipping hall and one way access ramp
4.2 The application also covers:
the decommissioning and demolition of the existing Edmonton EfW facility
(timed to take place following commissioning of new ERF and transition
period of up to a year – this time period is set out explicitly as a requirement
of the draft DCO in Schedule 2 Paragraph 22);
a Resource Recovery Facility (RRF) encompassing a Reuse and Recycling
Centre, transfer hall, and bulky waste / fuel preparation facility;
administrative buildings and visitor centre (EcoPark House);
new internal weighbridges, roads and parking areas;
hard and soft landscaping directly related to main building works
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
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refurbishment or replacement of the waste water treatment facility;
new site access points from the Lee Park Way and Deephams Farm Rd, in
each case subject to agreement on terms with the land owners, Lee Valley
Regional Park Authority and Thames Water;
works for the creation of a Temporary Laydown Area and its temporary use in
an area of open scrubland located to the east of the River Lee Navigation.
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
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5.0 POLICY CONTEXT
5.1 The national planning policies and policies of the Development Plan, as well as other
planning documents that are relevant to the proposed development and / or its
location are set out as follows:
National
• National Planning Policy Framework
• Planning Practice Guidance
• National Policy Statement for Renewable Energy Infrastructure
• National Planning Policy Statement for Energy
• National Planning Policy Statement for Waste
Regional
• London Plan (March 2016)
• Upper Lee Valley Opportunity Area Planning Framework (2013)
Enfield’s Local Plan
• The Enfield Plan: Core Strategy 2010-2025
• Central Leeside Proposed submission Area Action Plan (2014)
• Enfield Development Management Document (adopted 2014)
• Edmonton EcoPark Planning Brief Supplementary Planning Document
(adopted 2013)
Other policy documents
• Emerging North London Waste Plan
• Meridian Water Master Plan (2013)
• LBE Section 106 Supplementary Planning Document (2011)
• LBE Section 106 Revised Draft Supplementary Planning Document
(Emerging)
• LBE CIL Charging Schedule (2016)
• London Plan Sustainable Design and Construction SPG
• Mayor’s Climate Change Adaption Strategy
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
For and on behalf of London Borough of Enfield Council ref: 16/01082/DCO
April 2016
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• Mayor’s Climate Change Mitigation and Energy Strategy
• Mayors Water Strategy
• Mayor’s Ambient Noise Strategy
• Mayor’s Air Quality Strategy
• Mayor’s Transport Strategy
• Land for Transport Functions SPG
• Mayoral Community Infrastructure Levy
• Circular 06/05 Biodiversity and Geological Conservation – Statutory
Obligations and Their Impact within the Planning System
• Biodiversity Action Plan
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
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April 2016
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6.0 IMPACT ON THE LONDON BOROUGH OF ENFIELD
6.1 The local authority has reviewed the application documents submitted by the
applicant, and in particular the Environmental Statement (ES), which consists of
three volumes, appendix figures, appendix reports and non-technical summary. The
ES includes a consideration of the residual effects, interrelationships, cumulative and
non-significant effects of the proposed development. The ES cross references a
number of other application documents in terms of setting out how the potential
impacts will be mitigated against or controlled, and in particular the Code of
Construction Practice (CoCP) is key in this respect.
6.2 The local authority’s assessment of the impacts of the proposed development are
based on the 12 topics included in the applicant’s ES Volumes 2 and 3, which are:
Air Quality and Odour (ES Volume 2)
Archaeology (ES Volume 2)
Daylight, Sunlight and Overshadowing (ES Volume 2)
Ecology (ES Volume 2)
Environmental Wind (ES Volume 2)
Ground Conditions and Contamination (ES Volume 2)
Noise and Vibration (ES Volume 2)
Socio-Economics (ES Volume 2)
Transport (ES Volume 2)
Water Resources and Flood Risk (ES Volume 2)
Interactive Effects (ES Volume 2)
Visual assessment (ES Volume 3)
6.3 The local authority notes that the assessment of these topics in the ES is broken
down into four stages which reflect the main stages of the project, as follows:
- Stage 1: Site preparation and enabling works, construction of Resource
Recovery Facility (RRF), EcoPark House, commence use of Temporary
Laydown Area, Operation of RRF, EcoPark House and demolition/clearance
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of northern area, construction of ERF (it is note that this stage is split into its
own four sub-stages)
- Stage 2: Commissioning of ERF alongside operation of existing EfW facility
- Stage 3: Operation of ERF, RRF and EcoPark House, demolition of existing
EfW facility
- Stage 4: Operation of ERF, RRF and EcoPark House
6.4 Following the four stages as set out above which in essence relate to the
construction and then subsequent operation of the proposed development (with
stage 2 covering the operation of both the EfW and ERF at the same time for an
assumed period of six months with an additional six to represent a worst-case
scenario), the ES includes an assessment of the decommissioning of the project.
The local authority also notes that the ES assessment includes a ‘sensitivity test’ has
which considers if the environmental effects of the proposed development would be
any different if the programme as set out (in paragraph 3.5.6) were to change by plus
or minus 12 months.
6.5 As per PINS Advice Note 1, the local authority has not carried out its own
consultation with the community, but has undertaken a limited internal consultation
with key departments within the Council that are able to provide their expertise on the
impacts of particular technical topics. There are a number of agencies that would
respond to would also provide input on such technical matters to the local authority in
relation to planning applications that it is responsible for determining – for example,
the Greater London Archaeological Advisory Service (GLASS) provide input on
matters related to archaeology – which will respond directly to the Examining
Authority as part of the examination of the draft DCO.
Air quality and odour
6.6 London Plan Policy 7.14 sets out the Mayor’s approach to improving air quality and
requires: minimisation of increased exposure to poor air quality; provision to
address local problems of air quality; measures to reduce emissions during
demolition and construction; proposals to be ‘air quality neutral’ and not to lead to
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further deterioration in air quality; ensure on-site provision of measures to reduce
emissions; and assessment of the air quality implications of biomass boilers.
The Mayor’s SPGs provide further amplification of air quality issues in relation to this
and related London Plan policies. Core Policy 32 and Policy DMD65 of the
Development management Document seek to ensure that development proposals
should achieve reductions in pollutant emissions and minimise public exposure to air
pollution. The Development Management Document notes that the whole borough is
designated as an Air Quality Management Area (AQMA) with major sources of
pollution identified in the Air Quality Action Plan including road traffic and some forms
of industry (paragraph 11.1.1).
6.7 The ES assesses the impacts of the proposed development separating these into the
distinct stages of construction and operation and sets out that both construction and
operational phases of the development will be subject to a complete air quality
assessment. This will encompass air pollution dispersion modelling to consider the
effects of the new stack emissions on the local environment and a dust risk
assessment for the construction phase. Site traffic for both construction and
operational phases will be considered as part of the assessment.
6.8 The local authority’s Environmental Health Officer has reviewed the assessment of
air quality and odour in the ES, and confirmed that it is acceptable in terms of
protecting the Borough, noting that:
“…the assessment has sufficiently addressed the various aspects of the potential
impact of the development. It has shown that there will not be significant impacts
from the transition phase or use of the new facility in terms of stack emissions. This
would be expected as the facility will have to meet the requirements of its
environmental permit. The construction dust is unlikely to have an impact due to the
distance from the source to the nearest receptor and with a suitable dust
management system in place, such as that in the Mayor of London’s Supplementary
Planning Guidance, dust should not be an issue. Traffic will not significantly increase
during construction and again there are no issues.
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6.9 As part of its Phase 2 Consultation response at pre-application stage, the local
authority made comments in relation to the cooling technology installed at the
proposed plant, as this has an impact on the plume. Of the two technologies being
considered – a wet cooling system or an air cooled system – it was advocated that
the latter should be used as this does not result in a visible plume (although it was
noted that this system does generate less electricity). The local authority, therefore,
welcomes the decision of the applicant to proceed with the air cooled system (ES
Volume 1 paragraph 3.3.25), considering that the alternative may have resulted in
negative impact upon the Borough.
6.10 Accordingly, it is the local authority’s view that the impact of the proposed
development on the Borough in terms of air quality and odour would be neutral.
Archaeology
6.11 Section 12 of the NPPF and London Plan Policy 7.8 emphasise that the conservation
of archaeological interest is a material consideration in the planning process.
Paragraph 128 of the NPPF says that applicants should be required to submit
appropriate desk-based assessments, and where necessary undertake field
evaluation, to describe the significance of heritage assets and how they would be
affected by the proposed development.
6.12 The application site is clearly industrial in nature with the current EfW facility
operating from 1971, with the immediate area to the north, south and west also
industrial. The Lee Valley to the east is generally undeveloped, although of course
the Camden Aggregates site to the immediate east is subject to its current
commercial operations.
6.13 The local authority notes that there are no designated or non-designated heritage
assets within the application site itself (e.g. scheduled monuments, listed buildings,
local listed buildings, battlefields, World Heritage Sites or registered parks and
gardens) but that the collection of three grade 2 listed buildings around the Chingford
Mill Pumping Station lie to the east of the site. The impact on heritage assets was
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scoped out of the ES and therefore the impact on the setting of these buildings is not
set out. Given the existing use of the site and that this fundamentally would not
change as a result of the proposed development along with the separation of the site
from the designated heritage assets, it is the local authority’s view that it is
acceptable that this impact was not included in the ES assessment; in other words,
that the proposed development would not have a negative impact on the Borough’s
heritage assets.
6.14 The ES sets out there are a number of potential archaeological interests that could
be affected by the proposed development, with moderate potential for prehistoric
archaeology with high potential for palaeoenvironmental evidence but low potential
for archaeological remains from other periods. Twenty-four archaeological
investigations have taken place in the assessment area, and are summarised as:
- At Deephams STW between 2001 and 2010, which identified some drainage
features associated with the medieval and later Deephams Manor Farm and
significant levels of truncation in the western part of the Deephams STW site,
but survival of alluvium and peat in the south-eastern part adjacent to the
application site;
- At Ravenside Retail Park to the south of the application site a
geoarchaeological borehole survey indicated good survival of deposits with
potential to contain archaeological remains. Geoarchaeological assessment at
Advent Way to the south-west of the Application Site identified surviving
Bronze Age peat; however subsequent trial excavations failed to encounter
any archaeological remains;
- Excavations at a number of sites at Montagu Road in 1999 and 2000
produced evidence of Bronze Age and Iron Age ditches and enclosures.
6.15 The ES sets out that there are thee three landscape zones (LZs) each with varying
levels of archaeological and palaeoenvironmental potential. These are:
- LZ 1 is situated on the northern part of the Application Site within the vicinity
of the proposed ERF. This zone has low archaeological potential but
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Local Impact Report Edmonton EcoPark, Advent Way, London N18 3AG
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moderate to high palaeoenvironmental potential including organic deposits
within the basal gravel known as the Lea Valley Arctic Beds.
- LZ 2 is located predominately on the northern and central area of the
Application Site and extends as far south as the proposed RRF. The zone has
moderate palaeoenvironmental potential and low to moderate archaeological
potential.
- LZ 3 is located on the western, south-eastern and southern areas of the
Application Site. Parts of the RRF fall within this zone. This zone has the
highest palaeoenvironmental potential across.
6.16 In terms of the potential impact of the proposed development on archaeological
deposits, the ES focuses on the construction, demolition and then decommissioning
stages of the development. In order to mitigate potential impacts, it is the applicant’s
intention that the CoCP would require that any archaeology discovered is
appropriately handled and recorded. The applicant commits through this to work with
GLAAS to use Watching Briefs for the excavations for the storage bunker and also
for site preparation for construction of RRF and EcoPark House. A Written Scheme
of Investigation, detailing the generic principles, standards, methods and techniques
to be employed for archaeological works, would be prepared for submission to the
local authority in consultation with Historic England (HE).
6.17 The local authority notes paragraph 3.14 of the ES Volume 2 which sets out the
residual effects of the proposed development will have no significant effect on
archaeological interests during the affected stages of the development (construction
and decommissioning), but this is subject to the appropriate measures being secured
through the CoCP. It is the local authority’s view that any comments made in relation
to this by either HE or GLASS in terms of recommended alterations to the DCO to be
accepted by the Examining Authority.
6.18 Accordingly, it is the local authority’s view that the impact of the proposed
development on the Borough in terms its potential archaeological deposits would be
neutral.
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Daylight, Sunlight and Overshadowing
6.19 Policies 7.6 of the London Plan, Core Policy 30 of the Core Strategy and DMD37 of
the Development Management Document all seek to ensure that new developments
have appropriate regard to their surroundings, and that they improve the environment
in terms of visual and residential amenity.
6.20 Insofar as the impact of the proposed development is concerned with regards to
daylight, sunlight and overshadowing, the context of the existing site is highly
relevant to what, if any, additional impacts will occur. The ES sets out the current
baseline conditions, highlighting that:
- The existing EfW building’s height is 35m above ground in the middle of the
application site, and is the tallest building (on the application site).
- The existing flue stack is 100m above ground.
- The existing in-vessel composting (IVC) facility, incinerator bottom ash
reprocessing plant, bulky waste recycling facility and fuel preparation plant
are located at the north of the site and are all approximately 20m in height.
- The buildings to the south of the EfW building have a maximum height of 6m
and are in a more open setting
6.21 The local authority notes that the ES assessment is based on the maximum built
envelope of the project being constructed, i.e. a worst-case scenario. On this basis,
the maximum height of the proposed ERF would be up to 56.5m above ground and
the proposed stack would be up to 105m above ground.
6.22 The assessment of day daylight, sunlight and overshadowing in the ES uses the
industry standard BRE 209 (2011) Site Layout Planning for Daylight and Sunlight: A
Guide to Good Practice – Second Edition (the BRE Report). This sets out that, for
example, in terms of daylight amenity a window transgresses the BRE Report
guidelines when the proposed Vertical Sky Component (VSC) figure is less than 27%
and the proposed VSC is less than 0.80 times the VSC value in the existing
conditions. Using the Daylight Distribution assessment a room transgresses the BRE
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Report guidelines when it experiences a reduction in skylight to 0.80 times the
existing area. In terms of sunlight amen
6.23 ity a window transgresses the BRE Report guidelines when the proposed Annual
Probable Sunlight Hours (APSH) figure is less than 25% or less than 5% during the
winter months and the proposed APSH figure or winter sunlight figure is less than
0.80 times the value in the existing conditions.
6.24 As already noted, principally the surrounding area is commercial not residential. An
ES is required to assess the sunlight and daylight availability and shadow impact
from the proposed development on the surrounding existing properties and on the
surrounding amenity areas. Prior to assessing these, however, the BRE Report sets
out a guideline that in essence screens whether properties or areas need to be fully
considered. This is:
“The guideline is met if the distance of each part of the new development from the
existing windows is 3 or more times its height above the centre of the existing
window, including that obstruction within 90° of due north of assessed windows need
not to be analysed”.
6.25 The local authority notes that Zambezi Drive is the closest residential area to the
boundary of the proposed development, located approximately 310m north-west of
the Edmonton EcoPark. The Montagu Recreation Ground to the north west of the
application site is closest amenity area. Whilst Badma Close lies application 60m to
the west of the red line boundary of the application site, this relates to the Ardra Road
access and not the actual proposed development. On this basis, the impact on the
Badma Close properties has not been assessed as the Zambezie Drive properties
are closer. Also referred to in the ES are properties to the east on Lower Hall Lane,
which lie some 470m from the proposed development. However, as they are located
in the adjoining London Borough of Waltham Forest they are not for consideration in
this LIR.
6.26 Using the BRE Report guideline referred to above, and based on a combination of
the maximum built envelope for the proposed development of the ERF and RRF but
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also at stage 2 of the project when the existing EfW facility is continuing to be used,
the following image (source: ES Volume 2 Plate 4.2) indicates the areas that are
within three times the height of the massing of the buildings (indicated in blue) and
three times the height of the stacks (indicated in blue hatch):
6.27 It is clearly evident from this that neither the residential properties nor amenity area to
the north west of the application site would be affected in terms of a loss of or undue
impact of daylight, sunlight and overshadowing in terms of the BRE Report. On this
basis, the ES concludes that the effects on this matter from the proposed
development would be not significant.
6.28 What the ES does not assess, however, is the impact of the development on the
amenity areas of the towpath on the east of the River Lee Navigation. The towpath
was not included as a potential receptor that would affected by the proposed
development. The map above indicates, however, that a small part of the towpath
would be affected in terms of both the height of the stack, and to a lesser extent the
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ERF and other buildings. The local authority accepts that the nature of the use of
towpath is different to the other amenity areas referred to, such as the Montague
Recreation Ground. Nonetheless, it is clear from the applicant’s own assessment
that the proposed development wold result in some overshadowing of the towpath,
and, in the absence of the information being provided in the ES in terms of the
baseline conditions (i.e. comparing the proposed to the existing) it is not possible to
quantify the impact. As such, the local authority is concerned that the proposed
development would result in some additional impacts on the daylight, sunlight and
overshadowing of this part of the towpath, which residents of the Borough have
access to and use.
6.29 Accordingly, it is the local authority’s view that the impact of the proposed
development on the Borough in terms a loss of or undue impact of daylight, sunlight
and overshadowing on existing residential properties and amenity areas would be
negative in terms of the use of the River Lee Navigation towpath to the east of the
application site.
Ecology
6.30 Paragraph 118 the NPPF sets out the principles for conserving and enhancing
biodiversity, which include resisting development that would cause significant harm
that cannot be avoided, mitigated or compensated-for; have an adverse effect on a
Site of Special Scientific Interest (SSSI). The NPPF highlights that opportunities to
incorporate biodiversity in and around developments are encouraged. London Plan
Policy 7.19 echoes the need for development proposals to make a positive
contribution to biodiversity, to protect statutory sites, species and habitats, and to
help achieve Biodiversity Action Plan targets. Core Policy 36 and Policy DMD78 of
the Development Management Document require development opportunities,
particular on major sites, to maximise opportunities to improve access to nature.
6.31 The assessment of the impact on ecology in the ES is based on a search radius of
2km from the application site for non-statutory sites and a 10km radius for European
designated sites. The ecological sites potentially affected by the proposed
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development range from International to County level, the former being a Ramsar
site, wetlands of international importance, designated under the 1971 Ramsar
Convention. The local authority notes that the ecological sites potentially affected
include:
- At its closest point, approximately 1.5km to the south of the boundary of the
application site boundary the Lee Valley Special Protection Area (SPA) and
Ramsar Site (Walthamstow Reservoirs) are located, and are classified as
being of international value. The Lee Valley SPA is a series of man-made
and semi-natural wetlands and supports bird populations of European
importance over the winter.
- To east of the application boundary site approximately 2.8km at its closest
point is the Epping Forest Special Area of Conservation (SAC), designated
because it supports habitats of European importance, and classified as being
of international value.
- To the north east of the application site approximately 300m from its
boundary lies the Chingford Reservoirs Site of Special Scientific Interest
(SSSI). These are the William Girling Reservoir which is closest to the
application site and the King George’s Reservoir, and are a major wintering
grounds for wildfowl and wetland birds in the London area. Accordingly,
Chingford Reservoirs SSSI is classified as being of national value
- Located approximately 1.5km to the south of the application site is
Walthamstow Reservoirs SSSI and consists of ten relatively small and
shallow water storage basins within the Lee Valley SPA and Ramsar site.
Walthamstow Reservoirs SSSI is classified as of national value.
- Located approximately 8.5km north of the application site is Turnford and
Cheshunt Pits SSSI and consists of ten former gravel pits. Turnford and
Cheshunt Pits SSSI is classified as of national value.
- The Epping Forest SSSI, the majority of which falls within the Epping Forest
SAC is of national value and is considered in the ES assessment due to the
potential for effects associated with the deposition of nitrogen compounds and
acidity associated with the operation of the proposed development.
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- The Lea Valley Site of Metropolitan Importance for Nature Conservation
(SMINC) is part of the much larger LVRP but a small area of which is located
partly within the application site, and is therefore effected by the proposed
development. The SMIC is a non-statutory site is therefore classified as
being of county value, but is considered in the assessment due to its location
within the application site and the potential for disturbance to bird species
associated with the SMINC.
6.32 There are a number ecological sites referred to in the applicant’s ES but are deemed
to not be effected by the proposed development. These include Ainslie Wood Local
Nature Reserve (LNR) a locally important area of woodland containing a range of
tree species and classified as of county value, located approximately 1.5km to the
east of the application site boundary. The applicant’s ES sets out that due to the
distance from the application site, that there is no potential for disturbance from
noise, lighting or activity, and as such this designated site is not considered further.
Similarly, there are eight other (SINCs) within 2km of the application site that are of
sufficient distance away to ensure there is no potential for disturbance due to noise,
lighting or activity and, therefore, are not considered further in the applicant’s
assessment in the ES.
6.33 The applicant’s ES concludes that with respect to all of the identified ecological sites
there would be no significant effects from the proposed development at its various
stages (construction, operation and decommissioning), subject to the control and
mitigation measures set out in the CoCP being implemented.
6.34 There would, however, be a significant but temporary effect on the Linnet, a bird
species protected by the Wildlife and Countryside Act 1981 (as amended), as the
clearance works undertaken to the Temporary Laydown Area in stage 1
(construction) of the proposed development would remove the birds’ nesting habitat.
This clearance and the general disturbance created through stages 1 to 3 would
likely deter birds from nesting within the application site. The ES notes that the at the
end of stage 3 the Temporary Laydown Area would be landscaped and this would
result in a new meadow and planting of scrub and scattered trees around the
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perimeter and that the native scrub proposed will provide permanent nesting
opportunities. Accordingly, the ES considers the impact to be a parish scale and to
be significant adverse temporary.
6.35 The measures detailed in the Environmental Commitments and Mitigation Schedule
(ECMS) in relation to tree, hedges and shrub removal outside of nesting season are
welcomed by the local authority.
6.36 The local authority notes the Deadline 2 Written Representation response by the
Environment Agency (EA), in which they comment that have no objection to the
application in principle to the proposed development, but have made a number of
comments in relation to the ecological impacts of it. In particular, the local authority
notes the EA’s view that:
6.37 “We [the EA] welcome the plans to improve and enhance the Enfield Ditch. The
proposal to remove the existing scrub alongside the Enfield Ditch and the creation of
a landscaped riparian buffer zone is acceptable providing it is continuous and planted
with appropriate native species as specified in AD06.02_ES_Vol_2 p118…The
lighting strategy outlined within AD06.02_ES_Vol 1, is appropriate and should ensure
reduced light output from the site and avoid impact on bat corridors. Bat boxes are to
be put in on the site. The development must implement these strategies to ensure
minimised impact on bat communities and maintain a ‘dark corridor’ along the river
channels. This work is detailed within the Environmental Commitments and Mitigation
Schedule (ECMS), AD06.03_ECMS. We wish to see a requirement provided in the
DCO to maintain and enhance the biodiversity along the river corridor along the
following lines. Riparian buffer zone A riparian buffer zone of at least 8 metres must
be maintained along the banks of all of the river / ditch channels that run alongside
the site (Lee Navigation, Salmons Brook and Enfield Ditch). This will ensure that
there is a green corridor of valuable riparian habitat….We would expect to see a
separate reference within the Environmental Commitments and Mitigation Schedule
for the identification and protection of the buffer zone for all main rivers within the site
boundary. Further details should be included for the protection and enhancement
during each stage of the development. The buffer zone should be clear of all built
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development including, where feasible, hard standing, access roads and the
abutments for proposed bridges.”
6.38 Accordingly, in order to address the potential issues on this element of ecology as
identified by the EA, it is the local authority’s view that a minimum 8m Riparian buffer
zone is maintained along the banks of all of the Lee Navigation, Salmons Brook and
Enfield Ditch, and that the Environmental Commitments and Mitigation Schedule
should be updated to reflect this position.
6.39 The local authority also notes the EA’s comment that the an Invasive Species
Management Plan is produced (which is a recommendation of the ES) and that the
plan, which should detail the proposed removal or long-term management required to
prevent the spread of invasive species during all stages of development, should
include the temporary laydown area as well as the main part of the application site.
6.40 In relation to the impact on ecology, it is evident that subject to the measures set out
in the CoCP that for the most part these would not be significant, notwithstanding that
there would be a significant amount of vegetation lost from the proposed
development, in particular on the north and east of the site. The impact on the Linnet
is of concern but given the scale of the impact (at a parish level, as opposed to, for
example, international level), and that it would be temporary, overall the local
authority deemed the impact on the Borough from the proposed development on
ecology to be neutral.
Environmental Wind
6.41 The NPPF does not contain policies that explicitly relate to wind microclimate issues,
but it does of course generally advocate the principles of high quality design in terms
of requiring a good environment for people to work and live in. Similarly, the London
Plan, the Core Strategy and Development Management Document all advocate high
quality design as being a key planning policy objective with a view to ensuring the
effects of wind and microclimate do not have an adverse impact on the future users
of a development or the adjacent land and properties too. For this reason, the
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Scoping Opinion required that environmental wind be assessed in the ES, and in
particular to take account of the potential for adverse effects on nearby
leisure/recreational users (including Edmonton Sea Cadets) and other users such as
those occupying the Eley Industrial Estate.
6.42 The local authority notes that the ES assessment is based on the maximum built
envelope of the project being constructed, i.e. a worst-case scenario, on the basis
that considering the maximum height of the proposed facilities provides a generally
conservative assessment of local wind conditions as taller buildings tend to
downdraft a larger fraction of the upper level winds. On this basis, the maximum
height of the proposed ERF would be up to 56.5m above ground and the proposed
stack would be up to 105m above ground.
6.43 The ES sets out that the baseline conditions for environmental wind are:
- South-west winds are the most frequent and strongest winds at all times of
the year, blowing from a quadrant centred on west-south-west (240° east of
north). These winds are relatively warm and wet.
- North-east winds are almost as common as the south-west winds during
spring but are weaker. They are often associated with cold dry conditions.
- Winds from the north-west can be as strong as the south-west winds but are
less frequent.
- South-east winds are generally rare and light.
6.44 The assessment in the ES of the environmental wind focuses on when the proposed
development is operational. The ES flags up two areas of potential concern
regarding this, which are:
1. Conditions along the pedestrian route in the passage between the ERF and
cooling condensers would not be suitable for use as a pedestrian route and
access, therefore there would be a significant permanent adverse effect.
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2. Conditions along the south-east corner of the ERF would not be suitable for
use as a pedestrian route, therefore there would be a significant permanent
adverse effect.
6.45 In both of these instances, the detailed design stage will set out ‘local mitigation’ to
address these concerns, and on that basis concludes that there will be no significant
effect.
6.46 Outside the application site boundary the ES states that amenity areas to the east
and River Lee Navigation, and the area used by the Edmonton Sea Cadets, would be
in the ‘Standing to Strolling’ range as set out in the Lawson Criteria (the tool used for
describing the acceptability for particular activities in terms of 'comfort' and 'distress'),
therefore the effect on windiness would be not significant. Similarly areas to the west
and north of the application site, including Eley Industrial Estate would not be
affected due to the distance, direction of prevailing winds and geometry of buildings,
the effect on windiness would be not significant.
6.47 On the basis that the environmental wind effects would be a) limited in scope to two
small areas within the application site boundaries and that the impacts of these can
be, to some extent, mitigated through a design solution which would be developed at
a later date and b) the adjoining and adjacent areas would not experience any
adverse effects, it is the local authority’s view that the impact of the proposed
development on the Borough this respect would be neutral.
Ground Conditions and Contamination
6.48 Paragraph 109 of the NPPF recognises that there is a role for the planning in
the remediation and mitigation of derelict and contaminated land. Furthermore,
the National Planning Practice Guidance advises that the planning system should
ensure that a site is suitable for its new use and prevent unacceptable risk from
pollution, and states that as a minimum land should not be capable of being
determined as contaminated land under Part 2A of the Environmental Protection Act
1990. Reference is also made to the EU Water Framework Directive. London Plan
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Policy 5.21 Contaminated Land requires appropriate measures to be taken to ensure
that the redevelopment of contaminated land does not activate or spread the
contamination. Core Policy 32 and Policy DMD66 of the Development Management
Document seek to address the risks arising from the reuse of brownfield sites to
ensure its use does not result in significant harm to human health or the environment.
6.49 The ES assesses the impacts of the construction, operation and decommissioning
effects of ground conditions of the proposed development on contamination and
groundwater receptors. Salmon’s Brook is included as a receptor as it is hydraulically
connected to groundwater aquifers within the application site. However, other
surface water bodies in the vicinity of, but not in, the application site are assessed in
the Water Resources and Flood Risk section of the ES.
6.50 Paragraph 7.1.4 of the ES states that the scoping assessment (undertaken at pre-
application stage) did not find any unacceptable risks to human health construction
from the operational and decommissioning effects of ground conditions and
contamination and that “…no significant construction, operational or
decommissioning effects on human health receptors are therefore likely and human
health receptors have not been considered further in this assessment.” This was
accepted by the local authority as part of their Phase 2 consultation response.
6.51 The local authority did, however, raise concern with the potential impact of piling on
the London Clay as this is important as a barrier to prevent surface contamination
from reaching the chalk aquifer. The applicant’s ES confirms in response to this that
a Piling Risk Assessment has been completed and is included (at Vol 2 Appendix
7.3). The ES also confirms that a Piling Method Statement will be prepared before
any piling works are undertaken and that this would be agreed with the EA.
However, as set out in the Deadline 2 Written Representations, in terms of the
potential for excavation works the local authority is concerned that the Limits of
Deviation set out in the draft DCO, i.e. where there is no downwards limit. As such, it
is the local authority’s view that a limit must be imposed through the DCO process.
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6.52 The ES concludes that the effects of the proposed development during construction
and operation will not be significant with regards to ground conditions and
contamination. This conclusion is based on a combination of implementation of
CoCP measures, design mitigation, measures from the Piling Method Statement,
controlled demolition methodology and design developed in consultation with the EA,
and a Decommissioning and Demolition Method Statement to be developed in
consultation with the EA and the latest environmental measures and guidance at the
time of decommissioning. The local authority’s Environmental Health Officer has
reviewed the assessment in the ES of the impact of the proposed development upon
contamination and confirmed that it is acceptable in terms of protecting the Borough,
commenting that:
“Contamination can be adequately managed at each stage of the development and I
do not foresee any risk to human health from the development. The Environment
Agency will likely want to agree methods for piling to protect controlled waters.”
6.53 Accordingly, accordingly, it is the local authority’s view that the impact of the
proposed development on the Borough in terms of contamination and ground water
would be neutral.
Noise and Vibration
6.54 London Plan Policy 7.15 sets out criteria by which development proposals should
manage noise. These can be summarised as avoiding adverse noise impacts on
health and quality of life as a result of new development; mitigating and minimising
potential adverse noise impacts upon new development; improving the acoustic
environment; separating new noise sensitive development from major noise sources
or, where separation is not possible, apply good acoustic design principles; and to
promote new technologies/improved practices to reduce noise at source. Policy
DMD68 of the Development Management Document states that development that
would generate or would be exposed to an unacceptable level of noise will not be
permitted. Where permissible, developments must be sensitively designed,
managed and operated to reduce exposure to noise and noise generation. Particular
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regard should be given to the following matters such as building design, layout of
rooms, positioning of building services, landscaping sound insulation, hours of
operation and deliveries.
6.55 The ES assesses the noise and vibration effects of the proposed development in
relation to construction and operational traffic, and operational plant. The local
authority notes that the ES a construction noise assessment for the Temporary
Laydown Area and a construction vibration assessment which was not set out in the
Scoping Report at pre-application stage. The local authority did set out, however,
that their standard requirement is that noise form any plant must be 10dB below the
lowest measured background level during operational hours, noting that given the
distance between the site and the residential properties that this should be
achievable. The ES acknowledges this but comments that “these criteria are subject
to ongoing discussions and agreement has not yet been reached. In all other
respects they are satisfied with the information contained within the PEIR and the
proposed methodologies for detailed assessment at the ES stage.”
6.56 The local authority’s Environmental Health Officer has reviewed the assessment in
the ES of the impact of the proposed development upon noise and vibration and
confirmed that it is acceptable in terms of protecting the Borough, commenting that:
“In terms of noise the construction noise will be controlled through a Section 61
Agreement between LB Enfield and the constructor; the assessment makes a
preliminary assessment that the noise from construction will not be significant.
Considering the distance between the site and the nearest receptor, this is likely to
be the case. Operational noise will be subject to the terms of the environmental
permit needed to operate the site and this will be decided by the Environment
Agency, although we have previously stated our preferred criteria for operational
noise. Traffic noise due to the development will not have an impact upon residential
properties considering the location and distance.”
6.57 Accordingly, it is the local authority’s view that the impact of the proposed
development on the Borough in terms of noise and vibration would be neutral.
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Socio-Economics
6.58 At the heart of the NPPF is, of course, the commitment to and need to balance the
three roles of planning, being economic, social and environmental, where none of
which should be carried out in isolation because they are mutually dependent and the
gains in each should be sought jointly and simultaneously; and the pursuit of
sustainable development which includes improving the conditions in which people
live, work, travel and take leisure. The NPPF notes the Government’s commitment
to securing economic growth, jobs and prosperity to meet global competition and a
low carbon future; and, that supporting sustainable economic growth and that
economic growth should be given significant weight in planning decisions.
Paragraph 21 states that existing business sectors and their expansion are to be
supported.
6.59 The socio-economic effects of the construction, operation and decommissioning of
the proposed development assessed in the ES relate to the employment, which
includes relevant opportunities for local people, and the Edmonton Sea Cadets. The
local authority notes the applicant’s comment that on the basis that the LondonWaste
Limited (LWL) fleet depot is to be retained and will remain operational on-site
throughout the project, the impact on the depot in terms of employment has been
judged to be negligible and therefore this has not been included in the ES
assessment.
6.60 Currently, there are approximately 193 full time equivalent employees on the
Edmonton EcoPark, with the existing EfW facility accounting for approximately 96 of
these. The remainder cover a range of other site operations and or the management
of LWL and the Edmonton EcoPark as a whole. It is noted that the park operates 24
hours a day, seven days a week (and would continue to do so).
6.61 The existing wharf located on the River Lee Navigation is currently leased by the
Edmonton Sea Cadets. The ES notes that typical usage of the wharf is two evenings
per week and is currently accessed through the application site. The wharf is also
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used by a number of other cadet groups from the adjoining boroughs of Haringey and
Waltham Forest but this is on an occasion, rather than regular, basis.
6.62 In relation to employment, the ES states that a quantitative assessment of
employment effects from construction of the proposed development has been
undertaken at the Greater South East level (London, South East and East of
England, and for the UK, and that the “assessment considers construction
employment effects for Stages 1, 2 and 3 of the Project as a whole and comprised a
calculation of full-time equivalent employees (FTE) employment based on the capital
expenditure of the Project.” (Paragraph 9.3.9). The ES then refers to the CoCP
which sets out a range of measures that will be needed to manage and mitigate
impacts from the proposed development, with an assessment of the opportunities
required for this being based on a qualitative assessment of the skills and training
opportunities needed. Similarly, the ES also notes that a qualitative assessment of
effects on the Edmonton Sea Cadets has been undertaken, which includes an
assessment of the changes associated with the existing facilities, such as any
potential disruption to the Edmonton Sea Cadets functions and proposed alternative
facilities, and baseline socioeconomic conditions.
6.63 In terms of new employment opportunities, the principal means of this is clearly the
various stages associated with the construction of the proposed development, which
includes demolition etc of the existing facility. The ES estimates at paragraphs 9.7.1
to 9.7.3 that:
- The construction of the Project is expected to support a total of approximately
2,623 FTE net additional jobs across the UK comprising around 971 FTE net
additional direct construction jobs and 1,651 FTE indirect and induced
employment jobs.
- Of the total net additional construction jobs, around 1,311 FTE net additional
jobs are expected to be located at the Greater South East level.
- Around 486 of those FTE jobs are expected to be net additional direct
construction jobs and an estimated 826 FTE jobs are expected to arise
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through indirect and induced effects based on the net additional direct
construction jobs.
- Given the timeframe of the construction process, the number of FTE jobs
does not give an indication of the peak level of employment on the Application
Site. Rather, it gives a more rounded indication of the employment effects on
a comparable basis with on-going employment effects. The estimated
average direct employment on-site per construction year is approximately
1,766.
6.64 The ES refers again to the accompanying CoCP, where this document commitments
the applicant to require that the contractor will employ:
“…an appropriately qualified and suitably experienced workforce. The Contractor will
be responsible for identifying the training needs of their personnel to enable
appropriate training to be provided and engaging suitably qualified and experienced
professionals for this purpose. Employment policies relating to opportunities for skills
and training opportunities would be in line with LB Enfield policies.” (Paragraph 9.7.5)
6.65 Once the proposed development becomes operation, the ES sets out that the
applicant estimates that it would support a total of approximately 229 FTEs in the UK
generally, but that 197 FTEs would be at the local level, with 153 operational jobs
directly linked to the project. The project, therefore, would result in a net reduction of
around 52 FTE jobs at the local level, with this reduction in direct employment being
due to “improvements in the proposed ERF compared to the existing EfW facility,
such as operational efficiency and a reduced requirement for maintenance.” Of the
operational jobs supported by the project, these will include “managerial and
specialist positions associated with the ERF, as well as maintenance, transport,
administration and support staff.” The ES notes that the potential for local people to
access employment opportunities will be expected to be similar to the baseline
conditions in terms of the range of skills required, and also confirms that that
employment policies relating to opportunities for skills and training opportunities
would be in line with LB Enfield policies, albeit without direct reference to Enfield’s
s106 SPD (or emerging SPD) which would be required as per Deadline 2 Written
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Representations. Whilst negotiations on this point are ongoing, the ES and
documentations surrounding the DCO should make explicit reference to these
documents.
6.66 Whilst it is likely to be the case that the range of skills required as part of the
operation of the facility once it is up and running will be similar to the current
situation, the ES does confirm that there would be a net reduction in jobs required.
This reduction is on local jobs (indeed, existing local jobs) and therefore this aspect
of the project would have a negative impact on the Borough. It is noted, however,
that the central area of the Edmonton EcoPark would become available once the
existing EfW facility is demolished, and therefore the applicant highlights that this
could potentially be used for other employment generating uses, most likely waste
management related. This potential positive impact is noted by the local authority but
it does not form part of the proposed development and in any event is by no means
certain in terms of delivery; accordingly, it falls outside of the scope of the
assessment of this report.
6.67 In terms of the Edmonton Sea Cadets, the ES sets out that there would be a range of
effects on their activities, both temporary during the construction and upon operation
associated with the new facility. The ES sets out the following:
- The Edmonton Sea Cadets would be temporarily relocated to appropriate
facilities within the Edmonton EcoPark during construction. During Stage 1,
the Edmonton Sea Cadets would be relocated to EfW facility meeting rooms
for a temporary period of approximately two years.
- Their equipment would be stored in a container located at the front of the EfW
facility and boats would be relocated to an alternative Edmonton Sea Cadets
facility on-site.
- During this two year period Edmonton Sea Cadets access to the water would
be restricted. The Edmonton Sea Cadets would continue to follow safe and
secure access routes shared with site staff. The operating hours of the
Edmonton Sea Cadets would not be altered in relation to the construction of
the Project.
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- Access would be retained during temporary relocation and measures to
ensure safe and secure access shared with site staff would be implemented
through the CoCP.
6.68 During this two year period, therefore, the activities of the Edmonton Sea Cadets
would be limited to building-based activities but water access via the application site
would be restricted and therefore water activities would need to be relocated off-site
for example at alternative facilities in the local area. This would similarly affect the
other Sea Cadets within the local area that use the facility.
6.69 On the basis that the Edmonton Sea Cadets would be able to continue to function as
usual for the majority of the construction period, with a limitation on water-based
activities restricted at the application site for a period of two years – meaning that
alternative facilities most likely in the Lee Valley Regional Park would be needed to
be found (of which there are a number of options) – the ES concludes that the effect
on the Edmonton Sea Cadets from construction would be ‘minor adverse’, but overall
to be not significant.
6.70 The proposed development includes the provision of the EcoPark House building, a
two-storey building used to accommodate visitor, community and education centre
with offices, and a base for the Edmonton Sea Cadets which would include a launch
into the River Lee Navigation. Within EcoPark House a new facility would be
provided for the Edmonton Sea Cadets with continued access to the wharf area; and
also parking space for a minibus (a requirement for the Edmonton Sea Cadets). The
ES advises that the Edmonton Sea Cadets have been involved in the development of
the proposals for their relocation during construction and their subsequent part
occupation of EcoPark House on-site.
6.71 The ES highlights that the new EcoPark House would be a modern and enhanced
facility for the benefit of the Edmonton Sea Cadets, and, would also be available for
other community activities, visitor and Project information and LWL office
requirements. The ES therefore classifies this effect as beneficial but overall not
significant.
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6.72 Clearly, the job creation that the project would create during the lifetime of the
construction would be significant and would benefit the local economic. It would,
however, be temporary, and therefore its effects are tempered by this. As the local
authority’s Deadline 2 Written Representations sets out, the employment
opportunities will need to be identified and secured in accordance with the provisions
of the Council’s adopted Section 106 SPD (currently 2011 with a revised document
due to be adopted in Spring 2016). In terms of operational jobs linked directly to the
proposed development when complete, the net reduction in these will have a
negative impact to those employees effected and to the overall local economy, but as
the ES states the difference to the baseline employment situation would not be
significant and therefore this cannot be considered to have a negative effect on the
Borough overall. The temporary adverse impact on the Sea Cadets through the
restricted access to water-based activities is also noted, but this is for a limited time
of two years and alterative facilities are available. When juxtaposed with the benefits
of the new modern facility at EcoPark House, this temporary adverse impact is
considered to be limited. Given all of this, overall, the impact on the Borough in
terms of socio-economic effects is judged to be neutral subject to employment and
training opportunities being secured via s106 obligations and in accordance with the
Section 106 SPD (including the emerging document). Discussions on this matter are
currently ongoing.
Transport
6.73 The NPPF sets out the overarching planning policies on the delivery of sustainable
development through the planning system. It emphasises the importance of reducing
the need to travel, and encouraging public transport provision to secure new
sustainable patterns of transport use. Paragraph 29 of the NPPF states that
transport policies have an important role to play in facilitating sustainable
development but also in contributing to wider sustainability and health objectives.
Smarter use of technologies can reduce the need to travel. The transport system
needs to be balanced in favour of sustainable transport modes, giving people a real
choice about how they travel. Paragraph 33 of the NPPF states that all
developments that generate significant amounts of movement should be supported
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by a Transport Statement or Transport Assessment. Plans and decisions should take
account of whether:
- the opportunities for sustainable transport modes have been taken up
depending on the nature and location of the site, to reduce the need for major
transport infrastructure;
- safe and suitable access to the site can be achieved for all people; and
- improvements can be undertaken within the transport network that cost
effectively limit the significant impacts of the development. The NPPF is clear
that development should only be prevented or refused on transport grounds
where the residual cumulative impacts of development are severe.
6.74 The London Plan Policies 6.3, 6.9 and 6.13 seek to regulate parking in order to
minimise additional car travel, reduce trip lengths and encourage use of other, more
sustainable means of travel. The Parking Addendum to Chapter 6 of The London
Plan sets out maximum parking standards for new development dependent upon
their use and level of public transport accessibility.
6.75 The local authority has already made detailed comments on the Transport
Assessment in the Deadline 2 Written Representation. Further to this representation,
the local authority can advise that a meeting has taken place between the applicant
and the authority’s highways officers on 31/03/16. This meeting clarified issues
relating to Schedules 4-9 and highways officers have since updated their position,
stating that they are:
“…satisfied with the proposed highway works as set out in the DCO, specifically
Schedules 4-9.”
6.76 Accordingly, it is the local authority’s view that the impact of the proposed
development on the Borough in terms of transport and highways matters would be
neutral subject to a Section 106 Agreement relating to highways mitigation
measures. Such discussions are currently ongoing.
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Water Resources and Flood Risk
6.77 The NPPF states that inappropriate development in areas at risk of flooding should
be avoided by directing development away from areas at highest risk, but where
development is necessary, making it safe without increasing flood risk elsewhere
(para 100). Paragraph 103 of the NPPF states that, when determining planning
applications, local planning authorities should ensure flood risk is not increased
elsewhere. London Plan Policy 5.12 Flood Risk Management states that
development proposals must have regard to measures proposed in Catchment
Flood Management Plans. London Plan Policy 5.13, Core Policy 28 and Policy
DMD62 of the Development Management Document seek to achieve greenfield
rainwater run-off rates from new development through the integration and
deployment of sustainable urban drainage systems. The objective is to help restore a
more natural response to rainfall within river catchments, and to address/prevent
localised surface water flooding. London Plan Policy 5.13 sets out a hierarchy of
sustainable drainage measures, with the aim of managing surface water run-off as
close to source as possible. Policy 5.11 Green Roofs and Development Site Environs
calls for major developments to incorporate green roofs where feasible and Policy
5.15 Water Use and Supplies identifies rainwater harvesting as one of the methods
that can help to conserve potable water. Policy DMD55 of the Development
Management Document seeks to ensure that new-build developments, and all major
development, will be required to use all available roof space and vertical surfaces for
the installation of low zero carbon technologies, green roofs, and living walls subject
to technical and economic feasibility and other relevant planning considerations.
Policy DMD62 of the Development Management Document sets out that a Drainage
Strategy will be required for all developments to demonstrate how proposed
measures manage surface water as close to its source as possible and follow the
drainage hierarchy in the London Plan, emphasising that all developments must
maximise the use of and, where possible, retrofit Sustainable Drainage Systems
(SuDS) which meet the requirements listed in the policy.
6.78 The ES sets out the impact of the proposed development upon water resources and
flood risk, noting that an impact leading change on the water environment can lead to
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the a higher chance of flood risk both in the application site itself and the land
surrounding it. The site is, of course, surround on three of its site boundaries by a
number of watercourses. These include the River Lee Navigation to the east of the
application site and in the adjoining Le Valley Regional Park. To the west of William
Girling the River Lee (also known as the Lee New Cut) flows parallel to the Lee
Navigation. Enfield Ditch, a main river, runs partly within and partly outside the
application site on its eastern boundary, again running parallel with the River Lee
Navigation and then along the southern boundary of the Edmonton EcoPark. Enfield
Ditch is ephemeral and is often dry or with little flow suggesting that it does not
receive significant inflows from groundwater accordingly to the applicant’s
Hydrogeological Risk Assessment. To the west of the site is Salmon’s Brook. It is
noted that the Deephams STW outflow channel flows into Salmon’s Brook
immediately north of the application site.
6.79 The application site is located primarily in the inner and partly in the outer zones
(Zone 1 and 2) of an EA designated Source Protection Zone for groundwater sources
to Public Water Supply (PWS). In terms of flood risk, the ES states that the EA’s
Flood Risk maps indicate that the site is in a combination Flood Zones 1 and 2. The
majority of the site falls into the former, with the central area falling within the latter,
as well as the Temporary Laydown Area (entirely located within Flood Zone 2). The
Flood Zone 2 areas, therefore, are at risk during an extreme fluvial flood (the 0.1 per
cent Annual Exceedance Probability (AEP) event, i.e. 1 in 100 to 1 in 1000 year
event for flooding from a river).
6.80 In relation to the construction, operation and then decommissioning stages of the
project, the local authority notes the conclusions of the ES that there will be no
significant effects on water resources or flood risk, subject to the applicant
undertaking the measures committed to in the CoCP and the requirements of the
FRA. Clearly, to a large extent, as part of their regulatory role the EA will be
responsible for ensuring that proposed development does not result in water
resource or flood risk impacts. The local authority notes that, separate to this
application for a DCO, that an Environmental Permit is required under the
Environmental Permitting (England and Wales) Regulations 2010 (as amended).
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Furthermore, that a ‘Flood Defence Consent’ (FDC) for any works in, under, over or
within 8 metres of the top of bank of any watercourse designated as a ‘main river’ as
per the requirements of the Water Resources Act 1991 (as amended) and the
Thames Land Drainage Byelaws 1981 will need to be applied by the applicant, and
this could relate to any and all of Salmon’s Brook, Enfield Ditch and the River Lee
Navigation.
6.81 The local authority notes the Deadline 2 Written Representation response by the EA,
in which they comment that have no objection to the application in principle to the
proposed development, but at this time have some outstanding concerns. However,
the EA’s view is that they are confident these concerns can be resolved through their
ongoing discussions with the applicant.
6.82 In relation to flood risk, the EA note that part of the site that lie in Flood Zone 3 (the 1
in 100 year flood event). This is, presumably, the River Lee Navigation area of the
site. Notwithstanding this, the local authority notes that the EA have reviewed the
submitted FRA October 2015 and considers that “the document to comply with the
requirements of the National Policy Statement for Energy (EN-1), the National
Planning Policy Framework (NPPF) and the Planning Practice Guidance and
represent an accurate assessment of the flood risks on site.” This endorsement by
the EA is welcomed by the local authority, as is that the confirmation that their new
guidance, Flood risk assessments: climate change allowances, was published on
19th February 2016 and supports the implementation of the NPPF, dos not materially
affect the assessment and findings of the existing FRA, which remain valid and can
continue to be used to support the application.
6.83 In relation to the groundwater source protection zone (SPZ1), the local authority
notes that the EA are satisfied with the principles of the remedial options submitted to
deal with the risks to controlled waters posed by contamination at this site, but that
they require changes to the DCO to ensure that risks are appropriately addressed
prior to development commencing. The local authority would therefore echo these
concerns, and also refer back to paragraph 6.51 of this report where the issue of the
downwards Limit of Deviation is raised.
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6.84 The local authority’s Phase 2 consultation response as part of the pre-application
acknowledged that a flood risk assessment will be submitted with the application and
will be commented upon by the EA, but stressed that the FRA will should reflect the
need to maximise the potential for SuDS being adopted within the development. The
Local Authority’s Relevant Representations and Written Representations have both
made reference to the concern in relation to the relationship of the Temporary
Laydown Area as a component of the flood relief strategy for the regeneration of
Meridian Water and proposals for its reinstatement.
6.85 The local authority notes that the FRA includes a Preliminary Surface Water
Drainage Strategy. This sets out that:
“A preliminary Sustainable Drainage Systems (SuDS) selection assessment has
been undertaken to assess the suitability of various SuDS with respect to the
Application Site constraints, as well as quality, quantity, ecological and amenity
benefits and the opportunity to combine various SuDS techniques to produce a
recognised management/treatment train solution. Finally, a preliminary SuDS
drainage strategy for the Application Site has been determined, which can
subsequently be used as the basis for detailed drainage design at the appropriate
time.” (Source: FRA Appendix C)
6.86 The Council’s SuDS Team have been consulted on the DCO application and
reviewed the relevant document. They have provided the following comments in
relation to the applicant’s Preliminary Surface Water Drainage Strategy:
“The concept proposed does not maximise above ground features (such as
permeable paving, swales, rain gardens), which would significantly improve the water
quality discharged into the Enfield Ditch. There is scope to minimise the size of the
underground storage tanks (and possibly the amount of oil interceptors) in
maximising these features. We agreed that a liner can be used for above ground
features to prevent infiltration to the aquifer and contamination. We discussed that
the triangular area of land on the east side of the site could potentially be re-
landscaped as a wetland feature and detention basin to serve a drainage purpose.
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What are the reasons for this option not being explored? Discharge onto permeable
paving can manage silt on the surface before discharge into tanks, and is favourable
in terms of maintenance regimes. To confirm, the proposed permeable paving is
shown to be located above tanks 2 and 3? Will the water that drains into tanks 2 and
3 be draining through the permeable paving first? Are there other areas where
permeable paving can be used that have not been identified in the report?
- The green and brown roof plan is acceptable in concept
- To confirm, will the limited discharge rate into Enfield Ditch be Greenfield- 168
L/s?
- We agree that the temporary lay down areas should utilise above ground
SuDS (and infiltration if possible), with scope for not using below ground
features. This requires a preliminary drainage strategy. If swales, rain
gardens and ponds are used in these areas (without below ground features)
we would prefer if the current land is not reinstated once the area is no longer
needed as a temporary lay down. We are happy to engage in further
conversations on this.”
6.87 The Councils SuDS Team are have also made the following comments
- The SuDS Strategy must follow the SuDS management train by providing a
number of treatment phases corresponding to their pollution potential and the
environmental sensitivities of the locality; this will help prevent silt build up in
underground tanks.
- The discharge / run-off rate has not been agreed. The discharge rate should
be based on a runoff rate of 5 L/s/Ha in line with the London Plan. The
discharge rate into Enfield Ditch has not been agreed with LBE, and as the
river is owned by the EA, the discharge rate must also be agreed with them
too. Comments were sent on the Preliminary Drainage Strategy in October
2015, outlining that the strategy did not fully address all of our SuDS
requirements. Some information is therefore pending, and includes
clarification on the discharge rates off site.
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6.88 The Councils SuDS Team, therefore, of the view that that the overall drainage
proposals are not acceptable without any response from the applicant on the
comments they have made as set out above. Specifically, they are object to the
Temporary Laydown Area SuDS Strategy on the basis that insufficient detail has
been provided at this stage to give them confidence that it will meet the relevant
planning policy and other objectives. Furthermore, it is their view that the Temporary
Laydown Area is not reinstated to grassland if the applicant intends to utilise above
ground and infiltration SuDS.
6.89 In addition to the above, as referred to in the local authority’s Relevant
Representations and commented on in detail in the Written Representations, there is
a significant concern in relation to the proposed development relates to the
compatibility of the use of the Temporary Laydown Area as part of the Meridian
Water regeneration proposals. This land is identified in section 6.6 of the Meridian
Water Masterplan as reconfigured open space and potential compensatory flood
storage associated with the wider development proposals. The local authority
recognise that the Temporary Laydown Area is very important to the overall delivery
of the project and therefore accept that during the course of the construction phases
of the proposed development that it will not be accessible or able to be used in
association with the Meridian Water proposals. However, in recognition of the
strategic objectives associated with the delivery of the regeneration of the Meridian
Water site – these being set out at a regional level in the London Plan and Upper Lee
Valley Opportunity Area Planning Framework and at a local level in the Core Strategy
and emerging Central Leeside Area Action Plan – it is the local authority’s firm view
that there must be a commitment as part of the final DCO that reinstatement of the
land to ensure that when the lay down area is no longer required takes place in
accordance with a scheme that is submitted to and approved by them. The exact
nature of the reinstatement works will need to be judged at that time based on the
needs of the delivery of the wider Meridian Water regeneration proposals, but, being
mindful of the potential need for flood storage/open space being progressed must not
preclude this. As a consequence, the local authority respectfully requests that an
additional requirement be inserted to the DCO that will require the reinstatement of
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the Temporary Laydown Area. Suggested wording for the amendments to the DCO
are set out in Appendix A.
6.90 In terms of overall impact on flood risk and water resources on the Borough that,
noting the conclusions of the ES and the EA’s Written Representation response, that
no undue harm will occur subject to the appropriate mitigation etc measure being
undertaken. There is the potential, however, for a undesirable impact to arise by the
incorrect approach being undertaken by the application in relation to SuDS as part of
the overall strategy for the Temporary Laydown Area and the current lack of
commitment for the reinstatement of the area to be associated with the flood storage
needs for the Meridian Water regeneration proposals; therefore, the local authority
consider that although this would be limited to a modest geographical area and that
the effects would not be far-reaching, it would nonetheless have a negative impact on
the Borough.
Interactive Effects
6.91 The assessment of interactive effects is to establish whether one receptor is subject
to multiple effects from different topics, i.e. whether the effect occurs in isolation or
interacts with other effects on that receptor. This assessment is required by
Schedule 4, Part 1 of the EIA Regulations.
6.92 The applicant’s ES states that the interactive effects for the sensitive human,
ecological and water receptors in the vicinity of the application have been assessed
and that “There are no receptors predicted to experience a significant effect in
relation to more than one topic.” (Paragraph 12.1.3).
6.93 The local authority notes this conclusion and has no reason to dispute it.
Accordingly, in terms of interactive effects it is clear that the proposed development
would have a neutral impact upon the Borough.
Visual assessment
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6.94 In terms of the relevant national planning policies that set out the importance of
design and the visual impact of new development, the NPPF emphasise that:
- The Government attaches great importance to the design of the built
environment. Good design is a key aspect of sustainable development, is
indivisible from good planning, and should contribute positively to making
places better for people. (Para 56)
- It is important to plan positively for the achievement of high quality and
inclusive design for all development, including individual buildings, public and
private spaces and wider area development schemes. (Para 57)
- Although visual appearance and the architecture of individual buildings are
very important factors, securing high quality and inclusive design goes
beyond aesthetic considerations. Therefore, planning policies and decisions
should address the connections between people and places and the
integration of new development into the natural, built and historic
environment. (Para 61)
6.95 Similarly, the London Plan, the Core Strategy and Development Management
Document all advocate high quality design as being a key planning policy objective
with a view to ensuring the effects of wind and microclimate do not have an adverse
impact on the future users of a development or the adjacent land and properties too.
In particular, London Plan Policy 7.4B states, inter alia, that all development
proposals should have regard to the local context, contribute to a positive relationship
between the urban landscape and natural features, be human in scale, make a
positive contribution and should be informed by the historic environment. The
London Plan Policy 7.6 states, inter alia, that all development proposals should be of
the highest architectural quality, which complement the local architectural character
and be of an appropriate proportion, composition, scale and orientation. The
application site’s location adjacent to the Metropolitan Green Belt is also of note and
therefore the regional (Policy 7.16 of the London Plan) and local planning policies
(Policy 33 of the Core Strategy and Policy DMD83 of the Development Management
Document).
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6.96 The visual assessment of the proposed development is set out in the ES Volume 3
and “describes the nature of existing views within the surrounding area as
experienced by visual receptors and examines the beneficial and adverse effects on
these receptors resulting from the Project during construction, operation and
decommissioning.” The ES notes that on the basis that the existing waste
management facility including its building and stack dominate the immediate and
wider area that the visual assessment does not include an assessment on townscape
character. The assessment, rather, limited to individuals and/or groups of people
who might be affected by the proposed development, i.e. the visual receptors.
6.97 The ES confirms that the visual assessment methodology has been informed by
industry best-practice guidance, in particular:
- Guidelines for Landscape and Visual Impact Assessment 3rd Edition
(GLVIA);
- Advice Note 01/11 Photography and Photomontages in Landscape and
Visual Impact Assessment 2.
6.98 The areas assessed in the ES is determined by the extent of the Zone of Theoretical
Visibility (ZTV). The radius of the ZTV has been set 2km from the application site on
the basis that any significant effects are only expected to arise within that distance in
terms of the physical components or changes caused by the proposed development.
The applicant states at paragraph 1.3.5 and 1.3.6:
“Beyond the 2km radius the Project would gradually become less prominent within
the view as other structural features such as tall residential buildings, pylons and
industrial buildings can be seen in the foreground of the views. Representative
viewpoints from sensitive receptors have been selected within the 2km radius of the
ZTV.
All viewpoints selected represent the view from recreational and/or residential
receptors, which have a high susceptibility to change and are therefore likely to have
a high sensitivity to change.”
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6.99 The local authority note that two separate ZTV maps have been produced by the
applicant in the ES: one which covers just the proposed development of just the
buildings and one which focuses on the visual impact of the stack.
6.100 As with the other parts of the assessment, the ES sub-divides into the construction,
operation and decommissioning elements of the proposed development. Within the
construction phase of the proposed development, a large number of the selected
viewpoints would be effected, with the ES classifying the extent of the effect as
significant adverse but temporary because they are related to the construction
activities on the site.
6.101 In terms of the plume, as noted above the local authority supports the use of an air
cooled condenser system that produces no visible plume. The local authority notes,
however, that a plume would be created via one of two technologies being
considered for the Flue Gas Treatment (FGT) for the ERF, being either a wet or
combined system. The local authority notes that a wet FGT with no reheat has been
assumed as it presents the worst-case in terms of the height and frequency of a
visible stack plume, and that plume visibility depends on ambient meteorological
conditions, i.e. air temperature and humidity, as well as flue gas humidity and
temperature. However, of greatest concern to the local authority is that the ES sets
out that the ERF is likely to generate a visible plume for some periods of the year.
Given the proximity of the site to the major regeneration development of Meridian
Water as referred to above, it is the local authority’s view that the visibility of the
plume must be kept to a minimum.
6.102 Of the 20 views considered in the ES (covering views from existing receptors and
future receptor viewpoints such as Meridian Water) there are a number that would
experience a noticeable change. These include Viewpoint 2: View north-west from
Lee Valley Public Right of Way (PRoW) and National Cycle Network Route 1 north of
A406 North Circular Road; Viewpoint 7: View south-east from Montagu Recreation
Ground; Viewpoint 8: View south from Pickett’s Lock; Viewpoint 11: View north-east
from Tottenham Marshes.
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6.103 The applicant’s wireframe views of these as set out in the ES are shown at stage 2 of
the proposed development when both the existing EfW facility and the proposed ERF
would be operating at the same time. The applicant highlights that whilst this stage is
expected to last for around six months, it has nonetheless been assessed for a full
year as a worst case assessment. The wireframe views referred to above are
classified by the applicant as either having a minor adverse or moderate adverse on
the basis that the extent of the site coverage from both facilities along with both flues
operating would have the potential to cause the greatest visual impact. These are, in
essence, the worst case views. However, as this stage of the development would
only be temporary for a period of six to 12 months, the applicant has judged the
impact to be not significant.
6.104 After the existing EfW has been decommissioned and removed, the visual
assessment focuses on how the proposed development will be perceived from the
identified viewpoints. The ES notes that from a number of the viewpoints the
proposed ERF building will “be noticeably larger than the existing EfW facility building
(which would have been demolished)” but that any visual impact will largely be
mitigated by a) screening of the building by way of either vegetation and or other
smaller buildings within the proposed development (e.g. EcoPark House) and b) the
effect will be reduced because of the industrial setting and surroundings in which the
new buildings will sit in.
6.105 Broadly speaking, and reflecting the Deadline 2 Written Representation responses,
the local authority does not consider that the proposed development would cause
visual harm to the wider area. The conclusions of the ES assessment that the
construction and decommissioning activities would result in some adverse impacts
but that these would be temporary and that the impacts of the scheme when in
operation would not be significant overall are noted and agreed with.
6.106 Of greater importance is the detailed design approach undertaken by the applicant.
In this regard, paragraph 1.7.70 of the ES Volume 3 is of particular note:
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“On the basis of the Design Code Principles which provide a commitment to a high
quality design and the use of light colour materials on the stack and upper facades of
the ERF, we have considered that the new buildings would be more aesthetically
pleasing than the existing EfW facility. However, it is acknowledged that in a number
of the views the ERF would increase the bulk and scale of built form present within
the view. Therefore, taking these together our assessment has concluded that no
significant adverse effects would occur during this stage.”
6.107 Whilst in general the local authority supports much of what is in the Design Codes
Principles, there is concern that the emphasis is on cost rather than quality; for
example, the requirement in Section 2.3 of the Design Codes Principles that
materials be “sensitive to the local environmental conditions and surrounding” is
expressed as a secondary requirement rather than being on even basis with the
requirement for low cost and maintenance. Such wording could entail a situation
where the quality of the materials for the proposed development is compromised as
the other factors referred to take precedence, and this would then have a negative
impact on the overall quality of the scheme.
6.108 The local authority’s Deadline 2 Written Representations set out concerns with the
submitted plans in relation to the Limits of Deviation. In terms of the height of the
ERF building, as noted above this would be a maximum of 56.5m. This is indicated
on Drawing C_0003 Rev 00, which indicates the height of the ground on which the
building will be based on, expressed as Above Ordnance Datum (AOD), and then the
subsequent height of the buildings. However, the subsequent plans that relate to the
RRF and EcoPark House do not have similar reference measures – i.e. no ground
height is listed, and so an accurate representation of the heights of these building is
not clear. This poses serious concerns regarding the potential heights of these
buildings.
6.109 Furthermore, and again as set out in the Deadline 2 Written Representation, the local
authority has significant concerns regarding the associated development that would
support the main buildings and to what extent this, or rather is not, captured in the
Limits of Deviation plans. The local authority is concerned that the absence of clearly
defined parameters may serve to undermine and increase the impact of development
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on the sensitivities of the surrounding area including, in particular the land designated
as Green Belt, and further serve to undermine relevant mitigation strategies including
landscaping.
6.110 A further concern as already expressed by the local authority but reiterated here is
the impact on the visual amenity of the development at stage 4 of the project, i.e.
when the existing EfW facility has been removed. As is set out in the ES
assessment, the visual benefit to the area will be, on the whole, beneficial as the
most significant visual impacts occurs when both the existing EfW and new ERF are
both present on the site. However, following the demolition of the EfW the proposed
development indicates that the space where the existing sites will become
‘Temporary Hardstanding’ (Design Code Principles Indicative Drawing ref. D_0007).
The local authority accepts that at some point in the future some form of
development, most likely related to waste management, may be proposed in this
location. However, the local authority does not consider that hardstanding is the
correct approach for what is a large expanse of area. Accordingly, it is the local
authority’s view that this element of the proposed development would result in
negative impact on the Borough, albeit in a modest localised geographical area. The
Design Code Principles document should be amended to overcome to this concern.
The emphasis is to break up the sheer expanse of the area while acknowledging the
need for efficient operations and the Design Code Principles should be updated to
reflect alternative landscaping and material options for the area of the former EfW
facility – this would include the reference to the area on page 35 of the document and
Indicative Drawing ref. D_0007).
6.111 A final detailed concern in relation to the visual assessment of the proposed
development, again reflecting comments that have previous been expressed at
different stages of the project, is the appropriateness of the observation platform to
be installed on the Tipping Hall.
6.112 In essence, it is the local authority’s view that this element of the scheme detracts
from the overall proposed development disrupting the setting down design approach
put forward for the main ERF building. The local authority welcomes this broad
principle, where the massing of the building is broken up and the elevations that face
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towards the Lee Valley (which as noted before lies within the Metropolitan Green
Belt) are stepped down from the larger element of the Process Hall to the smaller
Crane Hall and then the lowest element of the Tipping Hall – with the accent colour
on Crane Hall providing a contrast between Process Hall and Tipping Hall to further
break down the massing. The proposed observation platform, by contrast, goes
against this approach by appearing as a prominent feature sitting above the lower
element of the Tipping Hall and disrupts the view of the Crane Hall which, through its
massing and in particular the aesthetics of the facing materials, is the ‘focus element’
as set out in the submitted Design and Access Statement.
6.113 It is the local authority’s view that no particular need for this facility is provided and
although encouraging access to the facility as part of a wider community education
program is supported, this feature is not seen as key to this to outweigh the concern
regarding the impact on the appearance of the building and its relationship to the
wider area especially given the provision of EcoPark House which would also serve
as a visitor centre. Furthermore, it is not considered that the concerns of the LPA
could be overcome by careful selection of materials and the provision of signage to
this feature – as table in the Design Code Principles – would exacerbate its overall
impact and should be resisted.
6.114 In terms of the visual impact of the proposed development, whilst it is true to say that
on the whole the new buildings will be noticeably larger than the existing ones from a
number of short and long term views, the industrial context in which they sit would
not be materially different and therefore the perception of them would also not
significantly change. The local authority, therefore, accepts the results of the visual
assessment as set out in the ES Volume 3. However, the local authority does have
concerns regarding a number of detailed design matters associated with the
proposed development that must be addressed – these being ensuring the overall
design quality of the materials is high, and is not compromised by overriding costs
factors; the vacant space left once the EfW facility is decommission and demolished
and the need for this to be a high quality soft landscaped scheme in the interim rather
than subject to hard landscaping; and, finally, the visual impact of the proposed
observation platform where this is considered to detract from the overall design
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approach of stepping down the massing of the ERF building as it gets closer to the
boundary with the Green Belt-designated LVPR.
6.115 Therefore, until these matters are addressed, it is the local authority’s view that the
proposed development would have a negative effect with regards to the visual impact
of the scheme.
Other considerations
6.116 The submitted Deadline 2 Written Representations has already set out the local
authority’s views on the need for the proposed development to contribute to the
delivery of the Lee valley Heat Network (LVHN) but given the importance of this
matter it is set out again in full in this report. The Edmonton EcoPark SPD makes
clear that the development of this site is to provide the key heat source for the LVHN
and supply low carbon heat to local homes and business. This is a key strategic
policy, with policy DMD52 of the Development Management Document adding to this
by requiring certain types of major developments which provide heat and/ or energy
to contribute to the supply of decentralised energy networks. The Council’s evidence
base confirms that it is feasible to and viable for existing and future waste
development on the Edmonton EcoPark Site to provide heat to a decentralised
energy network. Given this context, the DCO proposals must explicitly address this
policy requirement by including a firm commitment to providing a heat supply to the
Lee Valley Heat Network and making adequate provision for associated
infrastructure within the site. The Edmonton Eco Park SPD and Central Leeside
Proposed Submission AAP (CLAAP) provide more specific requirements in this
regard.
6.117 It is noted that a CHP Strategy has been prepared to demonstrate the opportunity for
CHP. This opportunity is also confirmed by the Council’s own evidence which
concluded that it is feasible to and viable for existing and future waste development
on the Edmonton EcoPark Site to provide heat to a decentralised energy network.
The detailed design of the Energy Recovery Facility, specifically the arrangements
for how/when the heat off take occurs, should ensure that it does not prevent this
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identified opportunity while also ensuring the supply of energy for a decentralised
energy network is as efficient as possible and is not made less viable which could
prejudice its benefits to the wider area. The submitted DCO proposal must include a
firm commitment to supplying heat to a decentralised network in order to satisfy
national, regional and local planning policies. While it is noted that the draft DCO
contains a requirement for the provision of a CHP, the exact wording of the
requirement is not agreed at this stage and dialogue is ongoing. In particular the
LPA object to the caveat of ‘commercial arrangement’ and a reference to ‘economic
viability’. Commercial arrangements are beyond the scope of the DCO and should
not be featured as part of the requirement. Further economic viability is not defined
nor is it stated who would verify the viability of connection. The processes involved in
CHP operation inevitably provide waste heat and as such the provision of such heat
is guaranteed and whilst the heat output and associated infrastructure for the CHP
needs to be secured via the DCO and Section 106 Agreement, the detailed
contractual arrangements between the commercial operator and the applicant is not
relevant to the DCO nor is relevant to any subsequent Section 106 Agreement. Any
reference to such contractual arrangements should be removed, and until such time
as this occurs it is the local authority’s view that the failure of the scheme to commit
to providing heat to the LVHN has a negative impact on the Borough in terms of the
potential for the strategic project to not be delivered. Appendix A sets out the local
authority’s suggested change to this part of the DCO.
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7.0 CONCLUSION
7.1 In terms of the principle of the development, the local authority has already made
clear its view that it supports the proposed development at a strategic level and
considers that it is broad accordance with the Development Plan as this supports the
continued use of Edmonton EcoPark as a strategic waste site, and maximising its
use with more sustainable and efficient waste management processes.
7.2 In strategic terms it is the local authority’s view that the majority of the potential
effects identified as part of the Environmental Statement assessment would, subject
to suitable controls and mitigation set out in the various application documents (and
in particular the Code of Construction Practice), have a neutral impact on the
Borough.
7.3 There are a number of impacts that would arise that are identified as having a
negative impact on the Borough. These are (in no particular order):
- Minor impact on the Linnett protected bird species through loss of habitat;
- Loss of a number of jobs associated with the operation of the existing Energy
from Waste facility and a net reduction in overall jobs needed for the
operation of the new Energy Recovery Facility;
- There is a need to agree an employment and training strategy consistent with
the principles of the Section 106 SPD (and emerging SPD)
- Lack of an appropriate strategy for the Temporary Laydown Area in terms of
its restoration following the completion of the project, with particular regards
to the lack of an appropriate Sustainable Urban Drainage Scheme and
potential flood compensation measures for the Meridian Water regeneration
development;
- Lack of agreement of SuDS Strategy including drainage and run-off rate
- Visual impacts in terms of the design of the proposed development, with
particular regard to the proposed hardsurfacing treatment of the vacant space
following the demolition of the existing Energy from Waste facility, and
concerns regarding the impact of the proposed observation platform on top of
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the Tipping Hall where this disrupts the visual pattern of the dropping down in
height and massing of the other two elements of the Energy Recovery Facility
(the Processing Hall and the Crane Hall)
- Need for an unqualified commitment to the use of high quality materials with
no overriding caveat that the decisions on this are driven by costs at the
expense of other factors.
7.4 The local authority accepts that the impacts identified are, on the whole, modest, but
respectfully requests that there are changes to the draft DCO to overcome these.
The changes requested are:
- Removal of the proposed observation platform from the draft DCO;
- Revisions to the Design Codes Principles to amend references to the
hardsurfacing of the area of the existing Energy from Waste facility following
its demolition;
- Revisions to the Design Codes Principles to secure an explicit commitment to
high quality materials, and the installation of PV or heat generating panels;
- Revised and additional wording is proposed to the draft DCO in Appendix A to
address the issue of the Temporary Laydown Area.
7.5 With respect to the concerns expressed regarding the use of the wording
‘commercial arrangement’ and a reference to ‘economic viability’ in connection with
the connectivity to the Lee Valley Heat Network, Appendix A sets out the local
authority’s suggested changes to the draft DCO to overcome this
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APPENDIX A: SUGGESTED CHANGES TO DRAFT DCO
1. Schedule 1, paragraph 2(e)(x) be amended to read as follows:
“restoration of the temporary laydown area to include suitable landscaping,
Sustainable Urban Drainage Scheme and compensatory flood storage.”
2. Schedule 2, paragraph 19, removal of the following text from this requirement:
“…should a commercial arrangement be identified for combined heat and power
which is economically viable.”
3. Schedule 2, additional paragraph:
Temporary Laydown Area
“23. — (1) The restoration of the Temporary Laydown Area shall be in accordance
with a scheme submitted to and approved by the relevant planning authority. No
works of this stage of the development shall take place prior to the approval of the
scheme.
(2) The scheme referred to paragraph (1) shall include details of the following—
(a) suitable soft landscaping;
(b) a Sustainable Urban Drainage Scheme;
(c) compensatory flood storage.
(3) The relevant stage must be carried out in accordance with the details approved
pursuant to requirement 23(1)
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APPENDIX B: SCHEDULE OF ISSUES WITH DRAFT DCO
Reference Issue
Definitions
“authorised development”
Definition too wide – if an item does not constitute development, then the process under section 35 – 35A must be followed for a direction from the SoS. Not aware that the process has been followed here. If, alternatively, “not” has been included in error then please remove.
Definitions “carriageway”
Should reference section 329 of the 1980 Act.
Definitions
“code of construction practice”`
The LPA support the inclusion of this definition consistent with the comments of TfL at the issue specific hearing.
Definitions
“commissioning”
The LPA would agree with the comments by the Examining Authority. The definition of commissioning must be clearly defined and should not be based on a reliability test – however this test may be defined.
Definitions “commence”
Definition too wide. The LPA contend that the definition should not include “site clearance” given the scale of clearance required. Any definition must be consistent and used within the draft s106
Definitions
“design code principles”
Words after “which” not required.
Definitions
“environmental commitments and mitigation schedule”
Words after “which” not required.
Definition “maintain”
Definition too wide. Anything but very minor adjustment, alteration, removal, clearance and refurbishment is inappropriate. Reconstruction, decommissioning, demolition, replacement and improvement are far too wide and should be removed. Note that the Hinkley C DCO refers only to “maintain”.
Definition “order land”
Should this not refer to ‘book of plans’ not ‘book of references’. Is the definition of ‘Order Land’ and ‘Order Limits’ appropriately linked to the wide ranging powers conferred under subsequent articles?
Definition “relevant planning
Definition can end after Enfield
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authority”
Definition “stage” Should not include “enabling works”. “Enabling works” are only referred to in the schedule 2 definition, and here, and so effectively this is a carve out from approval by the LBE. Not clear why such enabling works as are required cannot form a defined “stage” in and of themselves.
Definition “undertaker”
Need only to name undertaker, other text not necessary – article 8 and section 156(1) achieves the same thing
Article 4(2)(b) Normal position is to specify depth in metres below the seabed. Issues relating to ground water contamination must be addressed. Upward limits of deviation are not agreed as per paragraph 8.11 of LBE written representations.
Article 5 Article 5(1) is a general provision. Why is there then a need to specify within article 5(2). If specification is necessary need to define “apparatus” – possibly could use definition in article 10(4). Why are the items in article 5(3) excluded?
Article 6(1) Article 8 would cover the circumstance of a contractor operating the plant, so wording associated with that is not needed here (bar the exclusion in article 8(4) which the LBE are proposing is removed).
Definitions are required here – potential to use the already defined term “authorised development”.
Article 8(4) This exclusion is entirely inappropriate. A wholly owned company ought to be subject to the same requirements of approval in order that the SoS can verify that the entity is an appropriate one to operate the facility.
Article 9(b)(ii) This sub clause is not needed if the requirements set out in 9(b)(i) are complied with.
Article 10(1)(e) & (f)
Support deletion of (e) and (f)
Article 12(5) Insert ‘highway’. Any public right of ways will need to be replaced and there is insufficient detail to confirm replacement rights of way are acceptable. Objections to all plots / items in this section relating to Schedule 6.
Article 13 and (6) Removal of the highway status may not be the most appropriate course of action therefore objections to the legal process. (6) This is not standard drafting and should be removed.
Article 18(4)(b) Remove “shall not be unreasonably withheld or delayed”.
Article 19 For certainty, this article should refer explicitly to schedule 10. Also unclear why it is subject to articles 23 and 27
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Article 20 The time scale should be the normal 5 years. There is no reason that we can see why it should be extended to 7 years.
Article 21 Wording relating to successor not required given the provisions in article 8.
Article 22 Not needed due to provisions of section 152 and 158 of the Act.
Article 23 Not clear how this ties in with article 21(1)(b) and schedule 12.
Article 24 Is this needed in light of articles 19 and 21?
Not clear how this ties in with article 21(1)(b) and schedule 12.
Article 24(5) Missing some words at the end – suggest include “applies”.
Article 27 Relationship with article 20(2) unclear
The end of sub-paragraph (4) and (5) are duplicated.
The requirement for restoration in sub-paragraph (4) should also be subject to the consent of LBE. Sub-paragraph (3) – two years are not justified.
Article 28 Sub-paragraph (3) should require 28 days notice (as referenced in sub-paragraph 13)
Article 32(3) This article should be removed.
Article 37 The decommissioning of the energy from waste facility should be carried out under requirement 20, and the decommissioning of the proposed electricity and heat generating station in accordance with requirement 21, but it is not clear why this article is required.
Article 38 This article is unnecessary. Instead the provisions of sections 78 and 79 of the TCPA 1990 should be imported.
If the article and schedule 3 are to be accepted, sub-paragraph (3) is not appropriate. Deemed consent is not utilised anywhere within the statutory regime and is not required in this instance.
Schedule 1 Article 3
The judgement of whether a change is material must be with the Local Planning Authority and should feature as a requirement
Schedule 2
Definition
“enabling works”
Definition is too wide. Should not include demolition.
In any event, the definition is used only in the definition of “stage” and effectively therefore operates as a carve out for a vague list of matters which ought properly to form a stage in themselves.
Schedule 2
Article 3
Requirement 3 be amended to incorporate the installation of photovoltaic (or heat generating) panels as per paragraph 4.9 of written
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representations.
Schedule 2
Article 3(3)
Wording “unless otherwise approved by the relevant planning authority” ot required
Schedule 2
Article 4
Limits of deviation are too wide. See comments in relation to article 4(2)(b) above.
Lists of works in column 1 do not tally with listed works in schedule 1
Further comments as per paragraph 8.11 of written representations
Schedule 2
Article 6
There should be a limit on the tonnage of waste to be managed/treated at the authorised development.
Schedule 2 Article 9
Confirmation of certification against BREEAM required. Relevant BREEAM Version year / number required.
Schedule 2
Article 10
Sub-paragraphs (e) and (f) are properly design issues and should be included in schedule 2, article 3.
Wording “unless otherwise approved by the relevant planning authority” not required
Cross-reference to environmental commitments and mitigation schedule and Design Code Principles required as per written representations required
Schedule 2
Article 11
Remove “reasonable”. Goes without saying that the opinion will be reasonably held.
Schedule 2
Article 12
“Access management scheme” requires definition.
Schedule 2
Article 13
In sub-paragraph (2) to drainage scheme must be constricted before the commissioning of the electricity and heat generating scheme.
Schedule 2
Article 14
The LPA would express concern that requirement 14 does not include relevant clauses for the verification and ongoing monitoring of remediation works. The LPA request that such measurements be included within the requirement.
Schedule 2
Article 15
Should be amended to “Commissioning of the electricity and heat generating…”
Cross-reference to environmental commitments and mitigation schedule and Design Code Principles required as per written representations required
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Schedule 2
Article 16
The LPA would express concern that requirement 16 does not include relevant clauses for a mechanism to amend and review the CoCP. The LPA request that such measurements be included within the requirement to be agreed with LBE in consultation with TfL.
Schedule 2
Article 17
Should be amended to “Commissioning of the electricity and heat generating…”
Schedule 2
Article 19
Should end after “its later connection to such systems”. Whether or not a commercial arrangement is available should not impact on whether the development has the ability to operate as described. This is particularly so where an agreement may not be reached before the issue of a DCO.
Also insufficiently precise as to location and provision of pipes.
Schedule 3 Not required. See comments at article 38 above.
In particular the fees cited are unacceptable and are not consistent with government direction for determination of fees.
Schedule 5 - Concerns over repositioning of the cycle ways and footways (plots 14, 15, 21, 22, 32)
- Work to Advent way access acceptable (plot 31)
- Works to Ardra Road acceptable (plot 34)
- Works to Lee Park Way acceptable (plot 28 and 29)
- Work to Deephams Farm Road not referenced with a plot. Objection.
Schedule 6 Any public right of ways will need to be replaced and there is insufficient detail to confirm replacement rights of way are acceptable. Objections to all plots / items in this section.
Schedule 7 As with Schedule 6 insufficient info on the replacement public rights of way. Objections to all plots / items in this section.
Schedule 8 Stopping up cannot be supported. Removal of the highway status may not be the most appropriate course of action therefore objections to the legal process
APPENDIX C: SUMMARY OF CHANGES NEEDED
Limits of Deviation Plans:
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- requires maximum downwards depth for excavation to be defined and if
necessary piling separately defined.
- Wider limits of deviation for works 1b need to be defined or additional
requirement for detail of structures
SuDS Strategy (and if necessary FRA) – Updated to reflect discussions and concerns of
Council. The LPA would invite continued dialogue
Design Code Principles – amended to reflect LPA requirements for high quality materials,
alternative surfacing options to the former Energy from Waste site and Requirement 3 to be
amended to reflect installation of photovoltaic or heat generating panels to the ERF, RRF
and Ecopark House
Employment and Training Strategy – needs to be agreed with the local authority via Section
106 Agreement
Highway Mitigation measures – needs to be agreed with the local authority via Section 106
Agreement