in the townland of meenamullan, near killeter, county tyrone · 2014. 9. 9. · local government...
TRANSCRIPT
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MEENAMULLAN WIND FARM In the townland of Meenamullan, near Killeter, County Tyrone
Environmental Statement
Volume 4 – Non-Technical Summary
RES UK & Ireland Ltd, Unit C1 & C2, Willowbank Business Park, Willowbank Road, Millbrook, Larne, County Antrim, BT40 2SF
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Meenamullan Wind Farm RES
Volume 4: Non-Technical Summary
Table of Contents
Preface
Introduction 1
Rationale for the Scheme 2
Project Description 4
Environmental Assessments 7
Conclusion 19
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Meenamullan Wind Farm RES
Volume 4: Non – Technical Summary
Preface
This Non Technical Summary (NTS) has been prepared in support of a planning
application for the proposed Meenamullan Wind Farm. The proposed wind farm is
located in the townland of Meenamullan, near Killeter in County Tyrone.
A planning application has been submitted to Northern Ireland Planning Service
(NIPS) in accordance with the Planning (Environmental Impact Assessment)
Regulations, 2012. The regulations require an Environmental Impact Assessment
(EIA) to be carried out and the results of the EIA to be included in an Environmental
Statement (ES) to accompany the planning application.
This document is Volume 4 of the ES, which comprises:
- Volume 1 – Environmental Statement (main text);
- Volume 2 – Figures;
- Volume 3 – Appendices; and
- Volume 4 – Non Technical Summary.
The ES has been prepared by RES UK & Ireland Ltd (RES) in consultation with
Northern Ireland Planning Service, various consultees, interest groups and in
collaboration with the various specialists outlined below.
ES Technical Support
Technical Specialism
Organisation
Landscape and Visual Impact Assessment Shanti McAllister
Landscape Planning &
Design.
Ornithology Assessment
David Steele.
Ecology Assessment
Blackstaff Wildlife
Consultants.
RPS.
Fisheries Assessment
Paul Johnston
Associates.
Archaeology and Cultural Heritage Assessment
Gahan & Long.
Geology and Hydrogeology Assessment
AECOM.
Hydrology Assessment
McCloy Consulting.
Peat Slide Hazard & Risk Assessment SKM Enviros.
Planning Policy; Acoustic Assessment; Transport Assessment; Shadow
Flicker Assessment; Electromagnetic Interference & Aviation; Air,
Climate and Renewable Energy; Health and Safety Assessment and
Socio – Economic & Tourism Assessment.
RES.
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Meenamullan Wind Farm RES
Volume 4: Non-Technical Summary
An electronic version of the Non Technical Summary and other details about the project can be viewed at: http://www.meenamullan-windfarm.co.uk/
Reference copies of the ES may be viewed and / or purchased during normal
opening hours at the following location:
Killeter Post Office,
17 Main Street,
Castlederg,
BT81 7EL
Paper Copies of the Non Technical Summary are available free of charge, the Main
Report, Figures and Technical Appendices can be purchased on CD for £10 each or
in paper form at a cost of £50 each from the address above or by contacting RES.
Cheques should be made payable to RES UK & Ireland Ltd.
RES UK & Ireland Ltd
Willowbank Business Park
Willowbank Road
Millbrook
Larne
County Antrim
BT 40 2SF
028 28440580
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Meenamullan Wind Farm RES
1-1 Volume 4: Non-Technical Summary
1 Introduction
The Application
1.1 RES UK and Ireland Limited, hereafter referred to as ‘RES’, is applying to the
Northern Ireland Department of the Environment (DOE) Planning Service for
permission to construct, operate and decommission a wind farm known as
Meenamullan Wind Farm. The application follows a detailed assessment of the
environmental and technical aspects of the site’s suitability for development.
1.2 The proposed Meenamullan Wind Farm is located within an existing coniferous
forest, approximately 3 km southwest of Killeter and 10.5 km southwest of
Castlederg. The centre of the site is located at Irish Grid Reference (IGR) 218500,
377000. The location of the proposed wind farm is shown in Figure 1.1.
1.3 The site has been designed to accommodate turbines in the 1.8 – 2.5 MW range with
a maximum height to blade tip of 125 m above ground level. The turbines will be
of the horizontal axis type, with a rotor consisting of three blades with a maximum
rotor diameter of 90.0 m. The dimensions are illustrated in Figure 1.2.
1.4 The proposed project entails the construction of up to five turbines (each with an
overall maximum height of 125 m above ground level) and associated infrastructure
including an upgraded site entrance, new onsite access tracks, an onsite substation
and control building, underground cables, two temporary monitoring masts, a
permanent meteorological mast, a temporary construction compound, a temporary
enabling works compound, permanent crane hardstandings and road widening and
improvement works on sections of the transport route (road improvement works).
The proposed Infrastructure Layout is illustrated in Figure 1.3.
1.5 Based on nominal 1.8 MW capacity turbines the wind farm would be capable of 9
MW total capacity and would produce electrical energy equivalent to the average
requirements of approximately 7000 homes every year. This would be the
equivalent electricity demand of approximately 47.24 % of the households in the
Local Government District of Strabane.
1.6 The wind farm would also prevent an estimated 254,250 tonnes of carbon dioxide
(CO2) emissions from entering the atmosphere annually that would otherwise be
produced by conventional fossil fuelled generators.
The Applicant
1.7 RES is one of the world’s leading wind energy developers. It has constructed or
developed medium-large scale wind farms around the world with a combined
capacity of over 7 GW and has a large portfolio under construction and
development. RES has been developing wind farms in Ireland since the early 1990s.
It has developed 18 operational wind farms in Ireland to date, totalling over 241
MW (Corkey, Elliott’s Hill, Wolf Bog and Gruig in County Antrim; Rigged Hill,
Altahullion Phase 1 & 2, and Curryfree in County Londonderry; Lendrum’s Bridge
Phase 1 & 2, Lough Hill, Slieve Divena Phase 1, and Hunter’s Hill in County Tyrone,
Callagheen in County Fermanagh, Cark in County Donegal, Beenageeha in County
Kerry and Milane Hill and Taurbeg in County Cork).
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Meenamullan Wind Farm RES
Volume 4: Non – Technical Summary 1-2
Rationale for the Scheme
Combating Climate Change
1.8 Change in global and regional temperatures and precipitation patterns is a natural
phenomenon and there have been a number of cooling and warming periods
recorded over the last millennium. However, in the late 1980s a growing concern
emerged that climate change was being influenced by anthropogenic activity
beyond the normal fluctuations. The main contributing activities include emissions
of the so-called greenhouse gases in particular carbon dioxide (CO2), sulphur
dioxide (SO2) and oxides of nitrogen (NOx) into the atmosphere and other effects
such as land use changes, which reduce the ability of the natural environment to
recycle these gases. A significant proportion of the increased greenhouse gas
emissions arise from the burning of traditional fossil fuels such as coal, oil and gas
for energy generation and transportation.
1.9 The EU is responsible for about 14% of the world’s greenhouse gas emissions, but
has only 5% of its population (EU, 2009). The EU recognises that it must take a lead
in reducing emissions and has responded to the threat of climate change. The
European targets for greenhouse gas reductions under the Kyoto Protocol are set at
an 8% decrease in greenhouse gas emissions by 2012 compared to 1990 levels of
14%. Furthermore, all countries will need to make an additional effort, including
cuts of 80-95% by 2050 by developed countries. An EU target of 20% by 2020 is just
the first step to put emissions onto this path (EU, 2010).
1.10 The need to promote electricity produced from renewable energy sources within
the internal electricity market of the EU was established in September 2001 within
Directive 2001/77/EC. Article 3 of this Directive required Member States to “take
appropriate steps to encourage greater consumption of electricity produced from
renewable energy sources in conformity with…national indicative targets”.
1.11 Power from the wind can be harnessed and used to generate electricity. Wind farms
offer important advantages. Firstly, the carbon cost of wind power is significantly
smaller than that of other forms of conventional and renewable energy production.
Secondly, they contribute to a reduction in our dependence on finite reserves of
fossil fuels, which are being rapidly depleted and the costs of which are escalating.
Thirdly, they reduce our dependence on oil and gas imports and increase our self-
sufficiency in energy production. Additionally, wind farm developments are
reversible and a site can be decommissioned to the extent that no visible trace of
them existing is apparent.
1.12 In recent years, the UK Government has undertaken a number of studies designed
to inform its renewable energy policies. Key policies to emerge from these studies
include:
Meeting the Energy Challenge: UK White Paper on Energy 2007
1.13 The UK Government’s Energy White Paper, ‘Meeting the Energy Challenge’ sets out
a framework for action to address the energy challenges facing the UK. It sets out
four key energy policy goals:
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1-3 Volume 4: Non-Technical Summary
- to put the UK on a path to cutting CO2 emissions by 60% by 2050, with real
progress by 2020;
- to maintain the reliability of energy supplies;
- to promote competitive markets in the UK and beyond; and
- to ensure that every home is adequately and affordably heated.
1.14 This Paper states that renewables are key to the UK strategy to tackle climate
change and deploy cleaner sources of energy. It also highlights the importance of
lowering practical barriers to renewables investment, such as improved planning
inquiry rules.
UK Renewable Energy Strategy (Action Plan) 2009
1.15 The UK Renewable Energy Strategy provides an action plan to ensure 15% of energy
comes from renewable sources by 2020, in implementation of Directive
2009/28/EC. It aims to tackle climate change, reducing the UK’s emissions of CO2
by over 750 million tonnes between now and 2030. It also promotes increasing the
security of energy supplies, reducing overall fossil fuel demand by around 10% and
gas imports by 20–30%, against what they would have been in 2020.
1.16 The strategy recognises that acceleration of the uptake of renewable energy will
help meet the goal of decarbonising energy production in the UK, while ensuring
secure and safe energy supplies and exploiting the significant economic
opportunities of the move to a low-carbon economy. The strategy will enable the
UK to meet its EU renewable energy target to source 15% of energy from
renewables by 2020. Renewable energy is therefore a key part of the overall UK
Low Carbon Transition Plan, which outlines how the UK will meet the 34% cut in
emissions on 1990 levels by 2020.
1.17 The strategy identifies Northern Ireland’s potential to make significant progress in
increasing the amount of energy from renewable sources in order to contribute to
policy goals on security of supply, reduction of greenhouse gases, as well as
contributing to business competitiveness, increasing competition in power
generation and presenting opportunities for enterprise activity.
The Challenge for Northern Ireland
1.18 A key policy driver for the development of renewable energy in Northern Ireland is
the need to increase security of supply. There are also potential adverse impacts on
local populations and the economy through high volatile fuel costs, contributing to
fuel poverty and high energy costs for businesses and industry. In addition,
increasing focus on renewable energy can deliver environmental and climate
change gains, reductions in carbon emissions, as well as investment and
employment opportunities. With a lack of indigenous fossil fuel and no nuclear
power stations, Northern Ireland is keen to develop the full range of its available
renewable energy resources to optimise the contribution that renewables make to
the overall energy mix.
1.19 Northern Ireland’s current renewable energy target is that 40% of electricity
consumption should be met from renewable sources by 2020 (DETI 2010). The 40%
target is the equivalent of 1600MW. Wind energy will be the main focus of
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Meenamullan Wind Farm RES
Volume 4: Non – Technical Summary 1-4
renewable electricity development on the island of Ireland, and certainly in
Northern Ireland, through to 2020.
1.20 As of 31st March 2012 there were 450.9 MW of onshore wind farms operational, this
comprises 29 operational wind farms (SONI 2013).
1.21 If approved, the proposed Meenamullan Wind Farm could account for between 9
MW and 12.5 MW, a material contribution to achieving the 40% renewable energy
target for 2020.
Public Information Programme
1.22 A Public Information Programme was implemented for the proposed Meenamullan
Wind Farm to inform local residents, communities and their elected representatives
about the proposal and to provide them with a contact point for information.
1.23 In June 2012, RES undertook door-to-door visits to 73 houses along sections of
Aghalougher Road, Meenamullan Road, Magherakeel Road, Shannaghy Road,
Aghalunny Road, Crilly’s Hill Road, Seegronan Road and Aghamore Road to provide
local residents with details of the project, to inform them of the public exhibition
dates and times, to provide people with the opportunity to respond, ask questions
or provide feedback.
1.24 In addition to the door-to-door visits, information about the project was sent to the
local community, including elected representatives, councils, community groups,
schools and churches.
1.25 RES also held a public exhibition in the Killeter Heritage and Enterprise Centre in
June 2012, to provide detailed information, including maps and photomontages, to
the local community. The exhibition provided visitors with an opportunity to
discuss the proposals in detail, to ask questions and provide feedback. The
exhibition was publicised through adverts in the local newspapers.
Project Description
Site Selection and History
1.26 RES undertook a Geographical Information System (GIS) search of Northern Ireland
as a first step towards identifying areas of land with the potential to accommodate
wind farm development. The search identified land which:
- Expected wind speeds would allow the development to be commercially viable;
- The site is not located within a designated landscape e.g. Area of Outstanding
Natural Beauty (AONB);
- Identified that a significant area of land was potentially available for
development.
1.27 Feasibility investigations were undertaken to determine the compatibility with
Planning Policy Statement 18 – Renewable Energy (PPS18). This included an
assessment of proximity to land designations and dwellings.
1.28 The wind farm layout evolved through a series of design reviews whereby
environmental and technical constraints identified during the EIA were taken into
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1-5 Volume 4: Non-Technical Summary
account in the design. The proposed layout for the Meenamullan Wind Farm has
evolved in response to a number of policy recommendations, environmental,
technical, engineering and landscape design considerations and as a result of
feedback from key consultees.
Land Take
1.29 The land take for a wind farm development is relatively small. The wind turbines
have a necessity to be spaced apart, so as to not interfere aerodynamically with
one another (array losses). The actual permanent land take is limited to the area of
the towers themselves, the access tracks leading to them, the crane hardstandings,
control building, substation and permanent meteorological mast.
1.30 Only approximately 2.13 % of the land within the planning application boundary will
be utilised by the development due to the relatively small footprints of the
infrastructure and the wind farm design criteria applied in the design process. The
area of land expected to be utilised by the development is approximately 2.43 ha.
The Turbines
1.31 Each turbine would begin generating power automatically at a wind speed of
around 3.0 ms-1 (6.75 mph) and would shut down at a wind speed of around 25 ms-
1
(56 mph). A transformer unit would be located at the base of the turbine or within
the turbine tower. It is proposed that the turbines will be a uniform light grey
colour with a semi-matt finish to reduce their contrast with the background sky and
minimise reflections. The turbines will be uniform in colour and will not feature any
company logo.
Grid Connection
1.32 All electrical cabling between the turbines and the wind farm sub-station on the
site would be underground. The offsite grid connection will be provided by
Northern Ireland Electricity (NIE). NIE will be responsible for the design, acquisition
of planning permission, way leaving, construction and operation of the grid
connection line and it will remain in their ownership.
Construction
1.33 It is anticipated that the construction phase will take approximately 12-18 months
from starting on site to commissioning the wind turbines and electrical system.
However the programme is weather dependant and may vary accordingly. HGV
traffic movements will only occur between Mondays and Saturdays (i.e. none on
Sundays) from 07.00 to 19.00. However during turbine erection and commissioning,
and construction of concrete foundations, site working could extend outside these
times but at all times in accordance with the terms of any planning permission
granted for the proposed development.
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Volume 4: Non – Technical Summary 1-6
1.34 The civil engineering works will comprise:
- the upgrading of the site entrance;
- the preparation and establishment of temporary site facilities;
- construction of a watercourse crossing;
- the provision of new access tracks to the turbine locations;
- construction of the on-site control room and substation;
- the preparation of hardstanding areas for cranes;
- at each turbine location, the preparation and construction of the concrete
foundation to support the turbine structure and the individual turbine
transformer; and
- foundation and hardstanding for permanent mast.
- all associated drainage & SuDS requirements;
- erection of site fencing, stockproofing and security requirements;
- public road widening.
1.35 A Construction and Decommissioning Method Statement (CMS) will be prepared
once planning consent has been gained. This will be submitted to Planning Service
prior to any construction works taking place. This will describe the detailed
methods of construction and working practices, work to reinstate the site following
completion of construction activities, and methods to reinstate the site post
operation.
Health and Safety Assessment
1.36 This assessment examined the potential impacts on health and safety during the
construction and operation on the proposed Meenamullan Wind Farm. It also
assessed the potential impacts of health and safety on the environment and
identified mitigation measures that can avoid or reduce impact.
1.37 The assessment has determined that if the appropriate legislation and guidance is
adhered to during the design, construction and operation phases of the
development, and the best available technology is utilised in the selection of the
turbine design, there will be no risk to the safety of the operators during
construction and maintenance of the wind farm, or to the general public during the
construction or operation. RES will ensure that the appropriate legislation and
guidance is followed through the different phases of the project.
Operation and Maintenance
1.38 Routine maintenance of the turbines will be carried out approximately twice a
year. In addition regular site checks will be carried out twice a month, throughout
the life of the project. This would not usually involve any large machinery and site
traffic would be limited to small maintenance vehicles.
1.39 Wind turbines are designed to have a minimum operational life of 25 years and the
design requirements are based on the local climatic conditions of a site. During the
design life of a turbine it is anticipated that the replacement of a major
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1-7 Volume 4: Non-Technical Summary
component, typically a gear box or generator, will be required approximately
twice.
1.40 If the replacement of a major component is required it would be necessary to use
mobile cranes and heavy vehicles to repair the turbine or replace a major
component, and it is these activities which are defined as Non-Routine Maintenance
Works.
Decommissioning
1.41 One of the main advantages of wind power generation over other forms of
electricity production is the ease of decommissioning and the simple removal of
artefacts from the site. The residual impact on the site is limited to the continued
presence of the foundations and access tracks. All above ground structures can be
removed from the site.
1.42 At the end of the wind farm’s operational life RES proposes to decommission the
scheme. If the proposed wind farm obtains planning approval it is expected that a
planning condition would be set to provide for the decommissioning of the site in
accordance with a scheme agreed in writing with Planning Service.
1.43 The wind farm will be decommissioned in accordance with best practice and/or in
compliance with any planning conditions. Current best practice includes the
removal of all above ground structures; the removal of all underground structures
to one metre below ground level; and reinstatement of disturbed areas.
Landowners will be given the option to retain the access tracks for their own
purposes.
Environmental Assessments
EIA and the Design Process
1.44 In accordance with EIA process and best practice the project team employed an
iterative approach to the design of Meenamullan Wind Farm. The design evolved
throughout the EIA process as different constraints and adverse/ beneficial effects
were identified and evaluated. This approach allowed mitigation measures to be
integrated into the design in order to alleviate or remove significant effects of the
proposed development. It also allowed measures to enhance beneficial effects of
the proposed development to be incorporated into the design. The table below
shows how known constraints influenced the layout design process.
Key Design Iterations
Iteration Detail of Change Resulting Layout
Layout 1:
An initial site selection wind turbine layout was
established to determine whether the scheme, within
the land under the applicants control, had potential
for development. The layout was based on 8 turbines
each of which had a 90 m rotor diameter and 125 m tip
height and included the following constraints:
• A preliminary occupied residential property
separation distance of 900 m. H 34 was
Layout 1: Figure 5.1 –
Turbine Layout 1 – Initial
Site Selection
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Volume 4: Non – Technical Summary 1-8
Iteration Detail of Change Resulting Layout
identified as an unoccupied farm building.
None of the turbines fell within the indicative
buffer;
• Preliminary avoidance to mapped
watercourses (50 m buffer);
• A 4d (360m) avoidance of the Church Hill
(constructed) and the Seegronan (consented)
wind farms.
Layout 2:
Following completion of the ecological baseline
surveys, advice was received from technical and
environmental specialists on the main constraints to
development, the likely significance of potential
environmental impacts and possible mitigation that
could reduce or alleviate detrimental impacts.
The layout was revised to incorporate the following
additional/amended considerations:
• Areas identified as ‘potential ecologically
sensitive’ of blanket bog and dry modified bog
was avoided.
• Buffer zones of 50 m around major
watercourses and 10 m around minor
watercourses were confirmed by the
hydrological consultant.
• Orange link was confirmed to the south west
of the development area and a 100m to blade
tip buffer was applied.
• A 25m buffer was applied to the badger sett
which was identified to the north east of the
site.
• The approximate location of a geological fault
was avoided with a 25 m buffer to turbine
foundation edges applied.
• The proposed Gronan wind farm was
identified and a 4d avoidance buffer was
applied.
The resultant impact was the removal of 3 turbines,
the remaining turbines were then re-configured to
ensure maintenance of adequate inter-turbine spacing
whilst maximising energy capture.
Layout 2: Figure 5.2 –
Turbine Layout 2 –
Baseline Surveys Review
Layout 3:
Prior to the turbine layout being finalised, further
advice was received from technical, engineering and
environmental specialists as a result of ongoing survey
work.
As a result T1 moved slightly to the west in order to
increase the separation between the area of blanket
bog. T2 moved slightly to the north east in order to
increase its separation distance from an area of slope
constraint.
Layout 3: Figure 5.3 –
Turbine Layout 3 – Pre
Layout Freeze
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Iteration Detail of Change Resulting Layout
Layout 4:
A final technical and engineering assessment was
undertaken of the proposed layout including a site
walk over to assess the impacts of the proposed
layout.
Further advice was also received from the ecological
consultant who suggested that T3 should be moved to
the north east in order to maximise the distance which
the turbine is from the existing forest break to the
west.
Layout 4: Figure 5.4 –
Turbine Layout 4 – Final
Layout
1.45 The following sections provide summaries of the findings of the technical
investigations of the EIA.
Landscape and Visual Impact Assessment (LVIA)
1.46 An LVIA has been carried out to establish the full extent of likely landscape and
visual effects arising from the proposed wind farm at all stages of its development
within a Study Area that extends in a 30 km radius from the site. Following
detailed baseline assessment and field survey, where the nature of the existing
landscape and visual character was established and the potential impacts of the
proposed development analysed, conclusions on landscape and visual impacts have
been reached.
1.47 The LVIA process concludes that the significant impacts of this proposed
development are limited to its immediate surroundings. This is due largely to the
fact that the site is encircled higher ground on all sides, and also because of the
screening properties of other uplands in the Study Area. There are some clear
views from longer range Viewpoints but their distance from the proposed
development, and the wide extent of these sorts of Viewpoint, means that
individual elements such as the proposed wind farm are often insignificant visual
features.
Summary of Effects on Landscape Character
1.48 The proposed wind farm is in the southern part of the Killeter Uplands LCA within a
large area of coniferous forestry which already exerts a strong man-made influence
on the character of the site and surrounding landscape character. It would have a
direct physical effect on small parts of this coniferous forestry which would be
felled to facilitate construction of the proposed wind farm. However, the felling of
forestry is not an unusual activity in this LCA and the majority of the site will
remain as forestry throughout the lifetime of the wind farm. The remaining areas
will be replanted on completion of the construction works. The site will continue
to be managed as commercial forestry in the long term.
Summary of Effects on Visual Character
1.49 The proposed wind farm is not visually prominent or visible over a wide area.
Although it occupies an upland site, the encirclement of the proposed wind farm by
higher ground in all directions would limit the extent of its visibility in the wider
Study Area. In particular it is not visible from low lying land around the River Derg
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and Fairy Water Valleys. In the majority of Viewpoints it would be barely visible.
The two primary areas of theoretical visibility would be from the landscape
immediately surrounding the proposed wind farm, and south facing lowlands and
hill slopes that contain the north east to north-west of the Derg river valley at
distances of 2 – 7 km. This area of visibility would also extend into upland areas to
the north east of Castlederg town and the lower slopes of the Sperrin Mountains to
the north and east of Strabane, as well as south-facing slopes along the southern
border of County Donegal around Ballybofey and Stranorlar.
1.50 Visibility from settlements at close range would often be limited by the acute
angles of view that are available towards the upland landscape on which the
proposed wind farm would be located. There would be clear views of the proposed
wind farm from areas immediately to the west and north-west of the site but views
from other close range views would be more restricted by topographic variation,
acute angles of view, and vegetation.
1.51 In the wider Study Area, the visibility of the proposed wind farm would be limited
by its sheer distance from available Viewpoints. In addition, elevated distant
Viewpoints often encompass very wide open views where individual elements, such
as the proposed wind farm, become insignificant. Topographic variation and land
cover elements contribute significantly to the screening of some medium to long
range views, particularly in the southern part of the Study Area around Lower Lough
Erne and Ballinamallard, and around Bessy Bell and Baronscourt in the east. The
presence of existing wind farms in the same area as the proposed wind farm mean
that it would be not an individually distinguishable feature, particularly in longer
range views.
Summary of Cumulative Landscape & Visual Effects
1.52 There are 53 other wind farms in this Study Area, of which 21 are existing, 10 are
consented, and 22 are proposed. Most of these are located in eight identifiable
clusters in the central belt of the Study Area, and to the north-west, north-east and
east. Many of these wind farm clusters are intervisible, or visible simultaneously
with each other and are also visible sequentially from the local road network, by
virtue of their location in upland areas.
1.53 The proposed wind farm would be located on lower ground within the Church Hill
cluster which comprises 2 existing, 2 consented, and 4 other proposed wind farms.
Although it would have a blade tip height of 125 m, which is slightly greater than
other wind farms that immediately surround it (they range from 99.5 – 110 m), it
would be encircled by adjacent higher ground which would reduce the apparent
size of the proposed turbines and ensure that they appear to be of a relatively
consistent size and scale with other wind farms in the same cluster. Its
encirclement also means that it would nearly always be viewed in the context of
other existing and consented wind farms, and would be most closely related to
Church Hill and Seegronan. The proposed wind farm’s location on lower ground
also avoids the potential for it to have an incremental flattening effect on the
profile of this part of the Killeter Uplands. Wider views of the proposed wind farm
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would often be filtered or lessened by distance and also by preceding clusters of
wind farms.
1.54 Non-commercial single turbines are present in small numbers within lowland
agricultural landscapes throughout the Study Area. The proposed wind farm tends
to be far less visible from lowland landscapes and, in general, single turbines
appear visually separate from commercial wind farms. There are a small number
of Viewpoints at close range to the proposed wind farm where single turbines
appear to be closely related to wind farms in upland areas but, because they occur
at relatively low densities (there are only 6 single turbines in close proximity - 5 km
- of the proposed wind farm) they make a very minor contribution to the
Cumulative Baseline.
1.55 The proposed wind farm is sited in accordance with the principles identified by the
SPG in relation to the development of wind farms in the North West of Northern
Ireland:
• It is not located on a prominent ridgeline in the Killeter or Lough Bradan LCAs;
• Its visibility along the skyline on the north shores of Lower Lough Erne are
negligible;
• It is not within an area of wild landscape character. Instead it is within an area of
upland forestry that is encircled by higher ground on all sides and which includes
several existing, consented and proposed wind farms;
• It will not have any significant landscape effects on the setting of the A5 transport
corridor and its incremental effects on views from the South Sperrins Scenic Drive
would be negligible, and;
• It would have no significant effects on the landscape character of the Erne
Lakelands to the south because, at this distance, it is very hard to perceive with
the naked eye.
1.56 The assessment of Cumulative Visual Effects found that the proposed wind farm
would have no significant effects on any of the 20 shortlisted Viewpoints although
four Viewpoints were judged to experience Moderately Significant effects. The
effects on the remaining 16 Viewpoints were judged to be Not Significant.
Acceptability of the Proposed Wind Farm
1.57 In relation to both landscape and visual effects, the proposed wind farm’s
significant effects are limited to its immediate surroundings. This is due largely to
the fact that it is encircled higher ground on all sides, and also because of the
screening properties of other uplands in the Study Area. There are some clear
views from longer range Viewpoints but their distance from the Development, and
the wide extent of these sorts of Viewpoint, means that individual elements such as
the proposed wind farm are often insignificant visual features. On this basis the
proposed wind farm is deemed to be acceptable.
Ecology
1.58 An assessment has been undertaken to assess the potential impacts on ecology
within the site and the wider landscape was undertaken. Detailed surveys were
undertaken to establish the baseline conditions for the various habitats and for the
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species groups that are likely to occur in the area of the proposed scheme. The
purpose of an ecological survey is to identify ‘valued ecological receptors’, those
species and habitats that are valued in some way for their ecological function, their
contribution to biodiversity or are protected by specific legislation.
1.59 The following specialist surveys were undertaken:
- Phase 1 Habitat Survey.
- Badger Survey.
- Otter Survey.
- Bat Survey.
- Common Lizard Survey.
- Marsh Fritillary Survey.
- Newt Survey.
1.60 The turbine and infrastructure layouts have been carefully designed to ensure that
the integrity of habitats of higher conservation value is maintained.
1.61 The proposed Meenamullan wind farm will result in a loss of poor quality habitats,
which are of lower conservation value. Restricted areas of habitat of higher
conservation value have been avoided and their interest maintained. In the case of
Meenamullan, this additional loss of habitats is considered to be not significant
because the coniferous forestry plantation is of low conservation value and are
widespread both locally and throughout the region. It is therefore within the ability
of the resource to absorb this loss. Those habitats that are of greater value,
principally residual areas of blanket bog and marshy grassland, have been avoided
and there will be no significant impact on them.
1.62 The potential impact on the ecological interest of the site on watercourses and
their associated wildlife will be mitigated through the implementation of
appropriate mitigation practices which will result in a neutral impact on fish and
aquatic invertebrates.
1.63 Overall the cumulative impacts on the ecology of the area are considered to be of
minor significance.
Fisheries Assessment
1.64 An assessment has been undertaken to assess the potential impacts of the proposed
wind farm on fish stocks and habitats in the river network both within the site
boundary and in other areas of the catchment directly connected to the site.
1.65 The proposed Meenamullan Wind Farm is located mostly within the catchment of
the River Derg which forms a significant part of the River Foyle and Tributaries
Special Area of Conservation (SAC), with Atlantic salmon noted as the primary
reason for selection of the site.
1.66 A small area of the site is located in the catchment of the Termon River which
forms part of the Lough Erne catchment.
1.67 The construction and operation of the proposed wind farm development will have a
neutral impact on fish stocks and aquatic biology of the River Derg and tributary
streams, along with the Termon River and its tributaries.
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1.68 A series of specific mitigation measures have been designed to avoid adverse
effects on fisheries with regard to both construction and operational phases of the
project.
1.69 With implementation of the mitigation measures proposed, the proposed
Meenamullan wind farm will have a neutral impact on the Atlantic salmon as the
primary feature of the River Foyle & Tributaries SAC. There are no other fish
species listed as qualifying features of the SAC.
Ornithology Assessment
1.70 An assessment has been undertaken to assess the potential impacts on bird species
utilising the proposed Meenamullan Wind Farm site. The bird communities on the
site and in appropriate surrounding buffer areas have been surveyed over three
consecutive years covering the breeding and non-breeding seasons. The surveys
have been carried out in accordance with standard methodologies and protocols
and by experienced ornithologist surveyors.
1.71 One pair of curlew (Red-listed SOCC) was located on the extreme outer edge of the
buffer area but in just one of the three baseline years and breeding was not
confirmed and the evidence suggests that curlew is not an established breeding bird
in the area. No Red-listed SOCC were found breeding on the site.
1.72 Four Amber-listed SOCC were found breeding on the site - swallow (two pairs) and
starling (one pair) were nesting in a small abandoned building and whinchat (1-2
pairs) and grasshopper warbler (5-7 pairs) were associated with the young second-
rotation conifer habitat. Two additional Amber-listed SOCC were found breeding in
the buffer – snipe (2-3 pairs) and skylark (seven pairs).
1.73 Hen harrier (Annex 1 species) was confirmed breeding on the site in one of the
three baseline years. Two other Annex 1 raptor species (peregrine and merlin)
were recorded but were non-breeding. During the baseline period up to two pairs
of kestrel (Amber-listed SOCC) and one pair each of buzzard and sparrowhawk (both
Green-listed) were recorded breeding at locations approximately 1 km distant from
the site.
1.74 Annex 1 migratory species recorded passing over the site and / or buffer area
during the baseline period were Greenland white-fronted goose, whooper swan and
golden plover. However observations of these species were infrequent and flock
size was small – there was just one record of Greenland white-fronted goose (of two
birds).
1.75 Potential effects of the proposed wind farm on birds have been assessed using
defined criteria and where possible quantified. In most cases effects have been
assessed as negligible. Where potential adverse effects have been identified and
are likely to be significant then mitigation measures have been recommended and
the resulting residual effects assessed.
1.76 Potential effects have been identified only in relation to possible disturbance to
breeding birds on the site (including hen harrier) by construction work and this can
be avoided by the implementation the appropriate mitigation measures.
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1.77 Cumulative effects have been assessed using the same defined criteria as for the
main assessment. Possible cumulative effects on curlew have been assessed in
relation to other built, consented or planned wind farms within 2 km radius of the
site and are assessed as negligible. Possible trans-boundary effects of the proposed
wind farm on migratory bird species recorded passing over the site and the relevant
buffer areas during the baseline period have also been assessed and no significant
effects can be identified.
1.78 The proposal is for a five turbine development on a site that is currently a
commercial conifer forest and therefore already significantly modified from the
natural / semi-natural state. It is concluded that, assuming implementation of the
recommended avoidance / mitigation measures then the proposed wind farm
should not have any significant adverse effects on bird populations on the site or in
surrounding buffer areas.
Acoustic Assessment
1.79 An assessment of the acoustic impact from both the construction and operation of
the proposed Meenamullan Wind Farm was undertaken taking into account the
identified most sensitive receptors.
1.80 The operational noise impact was assessed according to the guidance described in
the ‘The Assessment and Rating of Noise from Wind Farms’ referred to as ‘ETSU-R-
97’, as recommended for use in relevant planning policy. The methodology
described in this document was developed by a working group comprised of a cross
section of interested persons including, amongst others, environmental health
officers, wind farm operators and independent acoustic experts. It provides a
robust basis for assessing the noise impact of a wind farm and has been applied at
the vast majority of wind farms currently operating in the UK. ETSU-R-97 makes
clear that any noise restrictions placed on a wind farm must balance the
environmental impact of the wind farm against the national and global benefits
that would arise through the development of renewable energy sources.
1.81 Representative baseline conditions (the “background noise level”) at nearest
neighbours were established by undertaking noise surveys at two nearby properties.
These measured levels were then used to infer the background noise levels at other
nearby properties as the ETSU-R-97 document recommends. As background noise
levels depend upon wind speed, as indeed do wind turbine noise emissions, the
measurement of background noise levels at the survey locations were made
concurrent with measurements of the wind speed and wind direction, which
covered a representative range. These wind measurements are made at the wind
turbine site rather than at the properties, since it is this wind speed that will
subsequently govern the wind farm’s noise generation.
1.82 An estimate of noise levels at the nearest neighbours, using a sound propagation
model, were made over a range of wind speeds taking into account the position of
the proposed wind turbines, the nearest neighbours, and the candidate wind
turbine type. The model employed (which considered downwind conditions at all
times) took account of attenuation due to geometric spreading, atmospheric
absorption, ground effects and barriers. It has been shown by measurement based
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verification studies that this model tends to slightly overestimate noise levels at
nearby dwellings.
1.83 The relevant noise limits were then determined through analysis of baseline
conditions and the criteria specified by the ETSU-R-97 guidelines. The general
principle regarding the setting of noise criteria is that limits should be based
relative to existing background noise levels, except for very low background noise
levels, in which case a fixed limit may be applied. This approach has the advantage
that the limits can directly reflect the existing noise environment at the nearest
properties and the impact that the wind farm may have on this environment.
Different limits have been applied during day and night-time hours. The daytime
limits are intended to preserve amenity (outdoor), while the night-time limits are
intended to prevent sleep disturbance (indoor).
1.84 For those properties considered, the predicted noise levels are within noise limits
at all considered wind speeds. The proposed Meenamullan Wind Farm therefore
complies with the relevant guidance on wind farm noise and the impact on the
amenity of all nearby properties would be regarded as acceptable.
1.85 An assessment of the cumulative operational impact of the consented and existing
wind farms, and the consented, existing and proposed wind farms has also been
undertaken. At all wind speeds considered the predicted noise levels are within
noise limits.
1.86 A construction noise assessment, which has incorporated the impact from increased
traffic noise, indicates that predicted noise levels likely to be experienced at
representative critical properties are below relevant construction noise criteria at
all but one property which has higher predicted noise levels due to construction
traffic at peak activity, and may not occur in practice.
Archaeology & Heritage Assessment
1.87 An assessment of the potential impact on the known and potential archaeological
and cultural sites within the sites itself and its wider landscape was undertaken.
To facilitate the assessment of the wider landscape a 5 km search radius was
utilised. The assessment of the proposed wind farm looked at both the potential
physical impact upon any known or potential sub-surface archaeological features
within the development boundary further assessed the impact upon the setting of
those monuments of regional importance within the 5 km search area.
1.88 The desktop survey and site inspection determined that there are no known sites of
archaeological interest located within the proposed development site. The survey
did identify the former road between Killeter and Pettigo which extends across the
northwest section of the site. Much of this road has now reverted to a trackway
across the bog, the main extent of which extends beyond the application site and is
known locally as the Causeway Hill Walking Route. The desktop survey indicated
that the development site is situated within a wider area of archaeological interest,
with a total of 33 recorded archaeological sites situated within a 5 km radius of the
development site, 8 of which area of regional importance. The earliest of the
known archaeology located within the 5 km search radius dates to the Neolithic
(4000BC to 2500BC) and Bronze Age (2500BC to 300BC) periods, whilst the majority
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is either known or thought to date to the Early Christian period (400AD to 1177AD).
This illustrates that the area within which the development site is located has been
experiencing human activity and settlement from around 4000BC, with an increase
in activity from around 400AD to around 1177AD. This, coupled with the fact that
the proposed wind farm site represents a large area of land which, is developed as
a commercial forest, gives rise to the low potential for previously undiscovered,
sub-surface archaeological remains to exist within the development site
boundaries.
1.89 Overall the impact assessment concludes that the construction of the Meenamullan
wind farm will have no significant effects upon the known archaeology within the
development area and its wider context.
Geology & Hydrogeology Assessment
1.90 An assessment of the likely potential geological and hydrogeological impacts was
undertaken and includes a peat slide risk assessment due to the presence of peat
on-site, the likely potential hydrogeological impacts due to the risk of pollution of
the groundwater and watercourses on-site and the proximity of the River Foyle and
Tributaries which is designated as an Area of Special Scientific Interest (ASSI) for its
ecological value, which is to a large extent underpinned by the geology, channel
form and sediment characteristics of the constituent watercourses. River Foyle and
Tributaries is also designated as a Special Area of Conservation (SAC) for its
biological features.
1.91 The assessment involved:
• Analysis of current policy and guidance in relation to wind energy and the
effects of development on the geological and hydrogeological environment;
• Desk study to establish the existing baseline geological and hydrogeological
conditions at the site;
• Site walkover survey to verify the accuracy of the baseline information;
• Evaluation of the potential effects of the proposed wind farm on the geological
and hydrogeological environment;
• Identification of measures to mitigate against any potential adverse effects; and
• Assessment of the significance of residual effects following mitigation taking
into account the sensitivity of receptors, magnitude of effects and the
probability of these effects occurring.
1.92 A site visit was undertaken 03 October 2012 and included a site walkover survey to:
• Note features of geological and hydrogeological interest; and
• Assess the topography of the site.
1.93 The site is generally underlain by superficial deposits of peat, overlying
metamorphosed bedrock and carboniferous basalt clastics. A Peatslide Hazard Risk
Assessment has been undertaken and areas of medium or high risk have been
avoided during the design stage of the infrastructure layout.
1.94 The likely residual effect on peat and groundwater is considered to be
neutral/slight adverse and therefore not significant.
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Hydrology Assessment
1.95 An assessment of the likely effects of the proposed wind farm on hydrology and
surface water quality was carried out. The assessment covers the construction,
operation, maintenance, and decommissioning of the development. The report
identifies and assesses the potential effects on existing natural and artificial
drainage patterns; runoff rates and volumes; flooding and impediments to flows;
surface water dependant ecosystems including hydrological units of peat bog; and
water quality of surface waters including abstractions.
1.96 The assessment demonstrates the potential effects of the development of
Meenamullan wind farm on the receiving hydrological environment, including
surface water quality. It summarises the relevant legislation and guidance and
provides appropriate baseline information, enabling the potential effects to be
identified.
1.97 Mitigation measures includes:
• Avoidance based on baseline constraints mapping;
• Design of site elements to minimise impact on the water environment;
• Implementation of a surface water management plan comprising the use of SuDS
(drainage) and silt management, including temporary blocking of forestry
drainage;
• Water quality monitoring particularly during construction;
• Construction phase pollution prevention procedures.
1.98 Implementation of the mitigation proposed would result in no significant residual
effects to the receiving hydrological environment as a result of the proposed
development.
Transport Assessment
1.99 An assessment of the potential traffic impacts associated with the construction of
the proposed wind farm was undertaken. The assessment has been carried out in
accordance with the IEMA - Guidelines for the Environmental Assessment of Road
Traffic (IEMA Guidelines 1993), and other relevant documents.
1.100 Background information necessary for the completion of this assessment has been
acquired through site visits, discussions with landowners and DRD Roads Service,
and by means of traffic and topographical surveys, and route assessments.
1.101 The proposed access route for large turbine components (abnormal loads) will be
from either Belfast or Derry travelling to Omagh and leaving Omagh on the A5
travelling along the A32 Dromore/Clanabogan road. From the Clanabogan road the
delivery will turn right onto the B4 Drumlish road through the villages of Lack and
Ederney and then continue on the B4 to the village of Kesh onto the A35. Then
leave the A35 onto the Corlave road turning right onto the
Derrybrick/Drumnagalliagh road the delivery would turn left onto the B72. From
the B72 turn left onto the C674 Aghamore road and then turning left onto the U146
Seegronan road. The site entrance is then at the end of this road on the right. The
proposed return route is the same as the delivery route. Once the turbine
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components have been delivered the vehicles will be shortened so they are no
longer than a typical articulated HGV.
1.102 A number of sensitive receptors have been indentified along the proposed
construction material delivery route (in line with the IEMA Guidelines (1993)),
including schools, settlements and a care home. The impacts on these receptors
have been assessed in terms of severance, driver delay, pedestrian delay,
pedestrian amenity, and fear & intimidation. The impacts range from neutral to
minor (with a moderate impact occurring twice), and mitigation measures have
therefore, been proposed to reduce the effects of the development traffic,
including:
• Design that minimises the amount of materials transported to and from the site;
• The provision of a Traffic Management Plan for approval by NI Planning Service;
• Highway upgrade works where necessary;
• Pre and post-construction road surveys to maintain the condition of the roads;
• Providing information to public and authorities; and
• Miscellaneous measures (pollution control, timing of deliveries outside busy
periods, etc.)
1.103 The mitigation measures are expected to reduce the impacts magnitude to neutral
to minor. Any negative traffic effects would be of temporary nature.
Electromagnetic Interference and Aviation Assessment
1.104 An assessment has been undertaken of the likely effects of the proposed
Meenamullan wind farm upon communication systems that use electromagnetic
waves as the transmission medium and aviation systems.
1.105 The proposed wind farm development will not have an impact on microwave or
radio links as consultation, for the most part, has confirmed adequate clearance
has been left between turbines and microwave links and RES will work with Orange
to resolve any concerns they have through further calculation or if necessary
application of mitigation.
1.106 The proposed development has been assessed through calculation and consultation
as to its potential impact on all forms of relevant electromagnetic communications.
Through applied and proposed mitigation the residual effect on such systems will be
minimal.
1.107 The proposed development has been assessed through study and consultation as to
its potential impact on aviation and military interests. This has shown that no
impact is anticipated.
Shadow Flicker Assessment
1.1 Under certain combinations of geographical position, time of day, time of year &
meteorological conditions, the sun may pass behind the turbine rotor and cast a
shadow over neighbouring buildings’ openings (i.e. windows and doors) where the
contrast between light and shade is most noticeable. To a person within that room
the shadow, depending on its intensity, may appear to flick on and off, giving rise
to an effect referred to as shadow flicker.
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1.2 A shadow flicker assessment has been undertaken assuming shadow flicker to occur
up to or equal to 10 rotor diameters (as referenced in PPS 18) from turbine
locations (900m). It has been shown that there are no houses within this distance of
a wind turbine at Meenamullan and therefore the wind farm will have a low risk of
causing shadow flicker.
Socio – Economic and Tourism Assessment
1.3 An assessment has been undertaken to assess the potential social and economic
impacts of the proposed development. It details the likely employment generation
and business related opportunities which will result from the proposal, and
predicted impacts on the current land use and recreational users of the site and the
surrounding area.
1.4 The construction is expected to provide local employment opportunities for
contractors with a workforce of between 10 – 40 persons over a period of 12 -18
months with an average of 26 temporary construction jobs expected to be
provided. During operation one - two part time jobs will be created.
1.5 RES accepts that economic benefits to the local community are largely indirect,
whilst environmental benefits, in terms of combating climate change, can be
perceived as somewhat intangible and of more regional or national consequence.
1.6 RES believes that the Community Fund is the most equitable and effective method
of ensuring local benefit. The total Community Benefit Package at Meenamullan
Wind Farm will be based on £5,000 per MW for the 25 year lifetime of the project.
Based on a 9 MW project this equates to total a community benefit package of
£45,000 per annum, with the total value of direct community benefits over the
lifetime of the project equating to £1,125,000. The impact is therefore beneficial
and considered to be of significance.
1.7 Whilst the wind farm will not directly prevent the public from visiting the area
surrounding the wind farm, there is the potential for indirect impacts on recreation
and tourism due to perceived changes in the landscape and personal opinions
relating to this type of development, however impacts upon tourism are not
considered to be significant.
Conclusion
1.8 The potential effects of the proposed Meenamullan Wind Farm have been assessed
in accordance with regulatory requirements and good practice. The ES incorporates
technical assessments of the proposed development based on the requisite
legislation and the relevant planning policy framework. The EIA has demonstrated
that significant environmental effects associated with the construction, operation
and decommissioning of the proposed wind farm have been avoided or minimised
through the use of the iterative design process and with the application of
mitigation measures.
1.9 The Meenamullan Wind Farm will provide a number of benefits. The scheme will
result in a reduction in greenhouse gas emissions from the electricity generating
industry by harnessing wind as an alternative to the burning of fossil fuels, in line
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with the government’s energy goals. It will also make a significant contribution to
the Northern Ireland government target that 40% of electricity consumed should be
sourced from renewable energy by 2020 (DETI).