Top Banner
A 14–17 Wells Mews London W1T 3HF United Kingdom T +44 (0) 20 7467 1470 F +44 (0) 20 7467 1471 W www.lda-design.co.uk LDA Design Consulting LLP Registered No: OC307725 17 Minster Precincts, Peterborough PE1 1XX The Ockendon Landfill Solar Project Environmental Statement Volume I Non-Technical Summary July 2014
22

The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

Jul 19, 2018

Download

Documents

buimien
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

A 14–17 Wells MewsLondon W1T 3HFUnited Kingdom

T +44 (0) 20 7467 1470F +44 (0) 20 7467 1471W www.lda-design.co.uk

LDA Design Consulting LLPRegistered No: OC30772517 Minster Precincts, Peterborough PE1 1XX

The Ockendon Landfill Solar Project

Environmental Statement

Volume I Non-Technical Summary

July 2014

Page 2: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

A 14–17 Wells MewsLondon W1T 3HFUnited Kingdom

T +44 (0) 20 7467 1470F +44 (0) 20 7467 1471W www.lda-design.co.uk

LDA Design Consulting LLPRegistered No: OC30772517 Minster Precincts, Peterborough PE1 1XX

This page has been left intentionally blank

Page 3: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

Contents

1.0 Introduction ............................................................................................................................................................... 1

2.0 Application Site and Project Description ....................................................................................................... 3

3.0 Assessment Methodology ..................................................................................................................................... 6

4.0 Site Selection and Design Iterations ................................................................................................................. 7

5.0 Landscape and Visual ........................................................................................................................................... 11

6.0 Ecology and Nature Conservation .................................................................................................................. 12

7.0 Cultural Heritage and Archaeology ................................................................................................................ 13

8.0 Agriculture and Land Use ................................................................................................................................... 14

9.0 Other Environmental Issues Considered ...................................................................................................... 15

Insert Document Reference

Version: 1.1

Version date: Insert today's date

Comment Insert comment about this version

This document has been prepared and checked in accordance with ISO 9001:2008.

Page 4: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

A 14–17 Wells MewsLondon W1T 3HFUnited Kingdom

T +44 (0) 20 7467 1470F +44 (0) 20 7467 1471W www.lda-design.co.uk

LDA Design Consulting LLPRegistered No: OC30772517 Minster Precincts, Peterborough PE1 1XX

This page has been left intentionally blank

Page 5: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

1

1.0 Introduction

1.1.1. An Environmental Statement (ES) has been prepared on behalf of Veolia ES Landfill Limited

(Veolia) and REG Solarpower (REGSP) to support a planning application for a solar project to

be located on a former landfill site to the east of the village of South Ockendon. The

application site (“the site”) is outlined in red on Drawing OC002, whilst the main

components of the proposed development are shown on Drawing OC004, both of which are

included at the end of this document.

1.1.2. The ES comprises this Non-Technical Summary and the following Volumes:

Volume II: ES Text and Drawings; and

Volume III: ES Technical Appendices.

1.2. The Applicants

1.2.1. Veolia, operates a number of landfill sites across the UK as well as non-active sites which it

continues to monitor and maintain. Once a landfill site has reached the approved final levels,

Veolia is responsible for capping it and undertaking restoration. The gradual restoration of

landfill sites are generally phased in line with a restoration plan.

1.2.2. Veolia is working in partnership with REGSP, an experienced renewable energy developer

having recently completed construction on its 4.5MW Goonhilly Solar Project in Cornwall.

1.2.3. REGSP is wholly owned by Renewable Energy Generation Ltd (REG) which also owns

subsidiary company REG Windpower, who have 15 operational wind projects throughout

the UK with a total installed capacity of 67MW.

1.2.4. Together, Veolia and REGSP are joint applicants for this project.

1.3. Public Consultation

1.3.1. A public consultation exercise has been undertaken in support of the Ockendon Solar

Project. During the pre-application phase, councillors and officers viewed the plans at

Page 6: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

2

information sessions. Representatives from South Ockendon Forum and Centre were met to

ask for their suggestions on the consultation process.

1.3.2. Two public consultation events were held in July 2014. The local community, a range of

community groups and other stakeholders were notified of the events in advance. A project

website was set up to communicate information and seek comment on the project.

1.3.3. Overall, 94% of responses thought that solar energy should be a part of the UK’s energy

provision with 81% of responses supporting the proposed solar project. These consultation

exercises and a detailed review of responses is referred to in more detail in the Statement of

Community Involvement, which is included in the planning application suite of documents.

Page 7: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

3

2.0 Application Site and Project Description

2.1. Location and Description of the Site

2.1.1. The site is located approximately 500m to the east of the village of South Ockendon. The

land to the south, east and north east of the site is fenland and characterized by low-lying and

level landform. Ockendon Hall and two Scheduled Monuments are located to the west of the

site and a number of Listed Buildings to the south west.

2.1.2. Existing access to the site is via Medebridge Road, which is accessed directly from the A13.

Beyond the entrance to the site is a private metalled road providing access between the

various areas within the site. PRoW 136 runs in an east to west direction through the centre

of the site and is only publicly accessible area within the site.

2.1.3. Drawing OC004 divides the site into different areas as follows:

Areas A and A+ are currently arable fields and previously undeveloped agricultural

land. Both are undisturbed by minerals extraction and landfill extraction;

For clarity, Area B is not included with the site boundary as it was removed during the

environmental appraisal and design process;

Areas C, E and F are smaller, former landfill areas and capped with clay and topsoil.

Area D, a large field, which has been landfilled and capped with clay and topsoil. It is

currently in arable use.

Area D+ is a small field located to the west of Area D and is previously undeveloped

agricultural land, undisturbed by minerals extraction and landfill extraction. There is

substantial planting around the boundary of this area.

A weighbridge, landfill gas electricity generation plant and control building used by Veolia

for site management and security are located at the southern extremity of site. There are

small blocks of mature woodland and tree belt planting located within and along the

periphery of the site, which include a mix of primarily deciduous species.

Page 8: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

4

2.2. Project Description

2.2.1. The solar project comprises rows of fixed PV panels, mounted on galvanized metal frames set

on to the ground on concrete foundation blocks, and associated ancillary infrastructure. The

proposal is a static design with no moving parts. The main purpose is to generate renewable

electricity, which can then be fed into the local distribution network. The distribution

network connection will be the responsibility of the Distribution Network Operator (DNO)

and does not form part of this planning application.

2.2.2. Agriculture will continue in the form of sheep grazing under the panels, where possible. The

proposal will also enable improved public access to the countryside and landscape and

biodiversity enhancements.

2.2.3. Key elements of the proposed development are outlined as follows:

To achieve optimum solar gain the panels will be laid in east-west rows. Each panel will

be tilted southwards at approximately 20 degrees from the horizontal;

The height of the solar panels will be around 2.6 metres from ground level to the top of

the panel frame. The lowest edge of the panels will be around 1 metre above the ground;

A 2 metre high deer-proof stock fence will be constructed around each land parcel, fixed

to the ground by concrete blocks;

Installation of approximately 20 inverter-transformer stations are required to convert

the electricity output into usable power. These stations will be housed in containers

which are approximately 3 metres high, 2.5 metres wide and 6 metres long;

Two pairs of switching stations (DNO and client-side switch-stations) are required

which comprise of cabinets mounted on concrete plinths. DNO switch-stations

measure approximately 3.5 metres high, 2.4 metres wide and 9.7 metres long and client

switch-stations measure approximately 3.5 metres high, 3.5 metres wide and 10 metres

long;

A 132kV substation will be located in Area A to ‘collect’ the electricity generated and

transmit along an underground cable into the existing Warley 275kV substation (the

cable and 275kV substation do not form part of this application – see 2.2.1). The on-site

Page 9: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

5

substation will be unmanned and visited only occasionally for monitoring and

maintenance purposes;

External lighting will not be required other than temporarily during construction and

emergency lighting for the substation. Switch-stations will be provided with ‘passive

infrared sensor’ to ensure safety of staff if visits are required outside of daylight hours.

Emergency lighting will be brought to site only as and when required; and

The site will be accessed via the existing access on Medebridge Road. Construction and

access roads will be required for each land parcel, and will generally extend from the

vehicle gate to the centre of the site.

Construction

2.2.4. The total construction period will be up to 12 months including any pre-preparation of the

site, fencing, assembly and erection of the photovoltaic arrays, installation of the

inverters/transformers and local distribution network connection.

Decommissioning

2.2.5. The proposed development will be in operation for 25 years. After this period the proposed

development will be decommissioned. However, biodiversity, public access and landscaping

improvements delivered as part of the proposed development can be retained. The total

decommissioning period will last approximately 12 months.

Page 10: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

6

3.0 Assessment Methodology

3.1.1. In accordance with the Town and Country Planning (Environmental Impact Assessment)

Regulations 2011 (“EIA Regulations”), an EIA is required if a proposed development

constitutes either:

Schedule 1 development; or

Schedule 2 development which is likely to have significant effects on the environment

by virtue of factors such as its nature, size or location.

3.1.2. The Ockendon Solar Project is classed as a Schedule 2 development under the EIA

Regulations as it falls within the description of development set out in Schedule 2 Part 3(a)

‘Industrial installations for the production of electricity, steam and hot water’.

3.1.3. In line with the EIA regulations, an EIA Screening Request was submitted to Thurrock

Council in May 2014 who responded in June 2014 stating that the proposed development

was EIA development and that an EIA was required.

3.1.4. This Non-Technical Summary is provided in accordance with the EIA Regulations.

Page 11: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

7

4.0 Site Selection and Design Iterations

4.1.1. This section provides an overview of environmental opportunities and constraints which fed

into the design process, in addition to enhancement and mitigation measures which will be

delivered as part of the proposed development.

4.1.2. Environmental Opportunities and Constraints

4.1.3. Detailed environmental constraints and opportunities which fed into the design process are

outlined below and shown on Drawing OC003:

A small overall area within the site comprise undisturbed agricultural land. The

majority of the site comprises restored landfill areas which although are no longer

active, are subject to ongoing environmental control and aftercare and well-suited to

this solar project;

The area to the east of the Scheduled Monuments and Listed Building has been kept free

from development to prevent any harm to the setting of the heritage assets;

Existing mothballed landfill and clay extraction areas were avoided to safeguard landfill

capacity and minerals;

The area of land to the west of the mothballed landfill is indicated by ‘provisional’

MAFF Agricultural Land Classification mapping to be Grade I. This area has been

avoided. Areas except for Areas A+ and D+ have been subject to an agricultural land

classification (ALC) survey in accordance with the current guidelines and criteria for

England and Wales (MAFF 1988) and has been identified as subgrade 3B (moderate)

quality agricultural land across the site, and are therefore not defined as ‘best and most

versatile’ land.

The offset between Area D and PRoW 136 (No.5 on Drawing OC003) has been left free

from solar panels to reduce visual impact, allowing space for a generous tract of

woodland and habitat enhancements.

All solar panels have been set away from roads and hedgerows, woodland, standing

water and ditch features which could provide habitat for protected species. Plantation

woodland and hedgerows on site will all be afforded a buffer of 5 m to prevent root

compaction;

Page 12: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

8

An underground gas pipeline passes under the north east parcel of land. An easement

strip to the required width has been established along the route of the pipeline which

will be kept free of development.

Parts of Area A are located within Flood Zone 2 and Flood Zone 3. While solar panels are

compatible with Zones 2 and 3, none of the essential infrastructure to support the solar

project will be placed in these areas.

4.2. Environmental Enhancement and Mitigation

4.2.1. The following habitat enhancement options will be delivered, as shown on Drawing OC005:

Wildflower meadows will be provided to support a wide range of invertebrates, small

mammals, brown hare, reptiles and birds;

Pollen and nectar strips and wild bird seed mixes will be incorporated to provide food

for pollinating insects and wild birds;

Bare uncultivated strips will benefit ground active and warmth loving invertebrates;

Habitat enhancement and management of pond P6 which will include provision for

habitat piles whilst subjecting some areas of grassland to a management regime to

provide optimal terrestrial habitat; and

Provision of artificial refugia, hibernacula and management of grassland and scrub to

provide physical structure to vegetation ranging from short open habitat to dense

tussocky and scrubbed areas.

4.2.2. All of the above will benefit foraging bats and breeding birds, whilst grassland, pond and

hedgerow enhancement measures will benefit reptiles. In addition, enhancement of existing

hedgerows through ‘gapping up’ with whips will benefit commuting and foraging bats,

breeding birds, small mammals, hibernating reptiles and amphibians and terrestrial

invertebrates.

4.2.3. Landscape

Gapping up of the hedgerow along the northern boundary of area A+, which will

prevent views into the north of field A+ from users of public footpath 135 north of the

site.

Page 13: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

9

New planting along the northern and western boundaries of area A, which will prevent

views into the north of field A from the eastern end of footpath 135 and into the west of

field A from the western end of footpath 135 in the location of The Grove;

New native planting along parts of the northern and southern boundaries of footpath

136 to fill the gap in the planting between South Ockendon Hall and the edge of field D.

This will prevent views into the lower areas of field D and D+ from this stretch of the

footpath and will continue the green corridor character of the route;

New native planting in a line across the northern part of field D, running parallel to the

south of footpath 136, offset by 50m south. This will continue the green corridor

character of footpath 136 whilst reducing views towards the lower parts of field D.

New tree planting along the eastern edge of field C to reduce views in from the

bridleway along Mar Dyke between gaps in existing tree belts.

Reinstatement of hedgerows running perpendicular to each other across field D in the

location of historic field boundaries that were lost as a result of the minerals extraction

process.

4.2.4. Planning Policy Context

4.2.5. A Planning Statement has been prepared which considers the acceptability of the

development in terms of the current planning policy framework and the material

considerations which should be taken into account in the determination of the planning

application. The Planning Policy chapter in the ES provides an overview of the Planning

Statement.

4.2.6. The development will deliver considerable benefit in respect of renewable energy

generation, an objective strongly supported through national policy and guidance and

specific local policies. Furthermore, the proposal will enable enhancements to the beneficial

use of the Green Belt and implementation of the Greengrid Strategy, in particular promoting

access and biodiversity enhancements.

4.2.7. It has been demonstrated that the proposals have been informed by, and are developed in

accordance with, national and local planning policies. The proposed development will not

have a significant impact on the Metropolitan Green Belt and meets the test of ‘very special

Page 14: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

10

circumstances’. The development has been well located and can be made acceptable through

effective mitigation measures and screening.

4.2.8. The social, economic and environmental impacts of the scheme are positive. It will

contribute positively to the local area and its economy in terms of local investment and

employment and help to sustain a well-established business and local employer.

4.2.9. As identified in the Planning Statement and the other supporting information, the solar

project is considered to be a wholly acceptable development, which has been justified in

accordance with the planning policy requirements.

4.2.10. The NPPF as a material consideration states that where development accords with the

statutory development plan and specific policies in the Framework planning permission

should be granted without delay. It is considered that the proposed development accords

with this and that the presumption in favour of granting permission for sustainable

development applies in this case.

Page 15: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

11

5.0 Landscape and Visual

5.1.1. A Landscape and Visual Impact Assessment (LVIA) was undertaken following relevant

industry guidelines. A study area of 4km was agreed with Thurrock Council as being

appropriate to cover all potentially material landscape and visual impacts.

5.1.2. The LVIA assessed the effects that the proposed development would have on both landscape

and visual receptors. The principal landscape and visual effects would occur during the

operational lifetime of the solar farm. At the end of its lifespan, the solar farm will be

decommissioned and the site restored to arable farmland.

5.1.3. The LVIA concludes that there will be Not Significant effects on the majority of landscape

and visual receptors within the 4km study area. Significant effects are limited to views from

users of public footpath 136 as it passes through the Site. Effects of moderate significance

which are judged to be additional considerations are views from users of public footpaths to

the west of the Site and east of South Ockendon and users of public footpath 135 to the north

of the Site.

5.1.4. Mitigation has been included in the proposals as an integrated part of the design. From the

wider area, the Site is generally well enclosed by existing surrounding vegetation and the

underlying topography, with exception to site area D which rises above surrounding low-

lying landform. New hedgerow and tree planting along the north, east and west of the site

boundaries have been included to reduce effects on landscape and visual receptors. In

addition, hedgerow reinstatement along historic field boundaries is proposed within site area

D to break up the massing of the proposed solar arrays.

5.1.5. The site is located within the Green Belt. The proposed solar project would not have any

effects on the five purposes of Green Belt, in landscape and visual terms.

Page 16: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

12

6.0 Ecology and Nature Conservation

6.1.1. An Ecology Impact Assessment of the proposed development was undertaken, which

followed relevant industry guidelines. Existing ecological baseline conditions were retrieved

through desk-top and onsite surveys undertaken during 2014.

6.1.2. The site is dominated by arable land fringed by semi-improved neutral grassland, semi-

natural plantation woodland and species poor hedgerows.

6.1.3. Potential ecological receptors considered in the assessment comprised statutory and non-

statutory sites, habitats and species. Features of ecological interest identified within the site

include semi-improved neutral grassland, standing water and swamp reedbed, bats, brown

hare, skylark and other breeding birds, reptiles and great crested newt.

6.1.4. There will be a loss of arable land and associated semi-improved neutral grassland. However,

mitigation and enhancement measures will result in an overall increase of permanent

grassland habitats. Effects on foraging bats, skylark and other breeding birds are temporary

and the creation and enhancement of grassland habitat across the site is likely to increase the

suitability of the site for foraging bats and breeding birds.

6.1.5. Effects on reptiles and great crested newt are associated with habitat loss and disturbance,

and mitigation strategies will be adopted to prevent disturbance to reptiles or amphibians

that may be present. Habitat enhancement measures will increase the potential of the site

for reptiles and amphibians.

6.1.6. When considering the mitigation and habitat enhancement measures, net increases in

biodiversity value at the site level are expected. Therefore, residual effects upon all ecology

features are deemed to be positive at the site level.

Page 17: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

13

7.0 Cultural Heritage and Archaeology

7.1.1. A Cultural Heritage and Archaeology assessment of the proposed development was

undertaken, which followed relevant industry guidelines.

7.1.2. A review of the available historic environment records, held by Essex County Council and

the National Heritage List, maintained by English Heritage, has indicated 89 sites of cultural

heritage interest within 1 km of the ownership boundary (the study area). In addition, there

are 64 archaeological sites within the study area, none of which lie within the red line

boundary.

7.1.3. The site has been subject to intensive disturbance caused by recent mineral extraction,

landfill and restoration. As the proposed solar panels are to be sited mainly on previously

disturbed ground, there is no potential for archaeological remains and so no archaeological

mitigation is required. Where solar panels are to be sited on previously undisturbed ground,

the non-intrusive construction method means that there will be no effects on potential

archaeological remains and so no archaeological mitigation is required.

7.1.4. There are no designated sites located within the site boundary. Two Scheduled Monuments

are located to the west of the site boundary, in close proximity to each other. Both Scheduled

Monuments are screened from the proposed development by existing vegetation.

7.1.5. There are 23 Listed Buildings within the Study Area. Five Grade II Listed Buildings were

identified in proximity to the site. The development would be screened from these buildings

by the existing vegetation and so their visual setting would not be affected. The proposed

tree planting around the north of the site will mitigate and lessen distant views that may be

afforded of the development from other receptors.

Page 18: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

14

8.0 Agriculture and Land Use

The EIA includes an assessment of the effect of the proposed development on agriculture and

soil resources. The majority of the site is actively farmed at present, with only one area (Area

D+) not used for agricultural purposes.

A survey has been undertaken across the majority of the site area to assess land quality. The

survey has shown that all land surveyed is of Subgrade 3b ‘moderate’ quality and not,

therefore, classified as ‘best and most versatile agricultural land’. A desk-based assessment

has been undertaken of two areas (Areas A+ and D+), comprising 6% of the area, which were

not investigated during the site survey. Analysis of published information and consideration

of land quality on adjacent land indicates these areas are also of Subgrade 3b quality. The

entire site is therefore identified or estimated as Subgrade 3b.

The majority of land within the site area (Areas C, D, E and F) is controlled and farmed by the

landowning business (Veolia). Arable operations are undertaken by a large firm of

agricultural contractors. Two fields (Areas A and A+) are owned by Veolia and occupied by a

tenant for arable cropping. The land is occupied on the basis that mineral extraction could

commence at relatively short notice.

Construction of the proposed solar development will have no direct impact upon land

quality. At the end of the solar farm’s operational life, the panels and cables will be pulled

out and other small items of infrastructure removed. The land will be reseeded with pasture

and be made available for the grazing of sheep throughout the duration of the solar tenancy.

Once the panels are removed, the land could return to arable production. The proposed

development will have a Negligible effect on agricultural land quality during the

construction, operational and decommissioning phases.

Arable production across the site will cease whilst the panels are in place but the effect of the

proposed development on the landowning business is considered to be Minor Beneficial.

The tenant farm business will no longer have access to the site for the production of crops,

which may necessitate some re-organisation of its arable operations. However, the effects on

the wider farm business are unlikely to be significant.

The effect on the tenant farm business is assessed as Minor Adverse.

Page 19: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

15

9.0 Other Environmental Issues Considered

9.1.1. This section provides an overview of those environmental topics which did not form part of

the EIA due to the proposed development not resulting in any related significant

environmental effects.

9.2. Flood Risk Assessment

9.2.1. A Flood Risk Assessment (FRA) has been prepared to address flood risk at the site.

9.2.2. The Environment Agency flood maps indicate the site is predominately located in Flood

Zone 1 with part of the north eastern section of the Site lying within Flood Zone 2 and Flood

Zone 3.

9.2.3. Inverter transformers, switch-stations and the sub-station will be located on that part of the

site, which is out of the floodplain and within Flood Zone 1. Therefore this infrastructure

will not be at risk of fluvial flooding. A small number of solar panels are proposed to be

located within Flood Zone 3, in the north eastern part of the site. The panels will be

positioned 1m above ground so will not be at risk of flooding. Solar panel concrete

foundation blocks will be expected to provide restraint against floatation if the site were to

be inundated by flood water.

9.2.4. The solar project will lead to a minor increase in the impermeable area of the site from solar

panel foundations, new access tracks and associated infrastructure. Post-development runoff

volumes and rates will be restricted to those for the pre-development site. Attenuation on

site will be provided within the existing surface water system by incorporating increased

storage capacity.

9.2.5. Rainfall will flow freely off the solar panels onto the ground and foundation blocks beneath.

The ground between concrete foundation blocks will be maintained as grass as long as is

practical to reduce the velocity of surface water runoff.

9.2.6. Overall, given the proposed mitigation, the development is considered appropriate and will

not increase flood risk to or from the Site or its users.

Page 20: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

16

9.3. Ground Conditions

9.3.1. In general, the geological setting of site is minor head or boulder clay overlying London Clay

which is underlain at depth by the Lambeth Group.

9.3.2. The thickness of the London Clay varies, decreasing in thickness from west to east across the

northern boundary of the site. The greatest thickness of London Clay was measured at 33.8

m decreasing to 24.1 m.

9.3.3. The site has been subject to mineral extraction under a number of planning permissions.

The voids have then been filled with household, commercial and industrial waste since 1974.

The waste is variable in its composition containing organic and inorganic fractions.

Settlement occurs due to the self-weight of the waste reducing the void space in addition to

the decomposition of organics. Landfill gas is a by-product of the waste decomposition

which is collected in gas wells and transmitted through pipework to a gas utilisation plant to

produce electricity.

9.3.4. The landfill is not currently receiving waste and is subject to various levels of restoration.

Permanently restored areas of the site have a minimum 1 m clay cap acting as a low

permeability barrier.

9.3.5. The proposed development is predominantly constructed above ground level with limited

excavations undertaken for foundations and service connections where necessary.

Excavation for shallow foundations and the loadings associated with structures located on

natural ground will have negligible effects on geology.

9.3.6. Structures such as the solar panels located on permanently restored landfill will slightly

increase the loading over the waste that is subject to settlement. The increase in loading is

minor and is not expected to significantly increase the anticipated settlement.

9.4. Transport and Access

9.4.1. A Transport and Access Appraisal has been prepared and submitted as part of the suite of

planning application documents. This document refers to existing and proposed access

arrangements, the proposed construction traffic route and construction traffic flows.

Page 21: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

17

9.4.2. The proposed solar project is located on a site with a history of heavy vehicle flows associated

with the site’s extant and historic extraction and landfill uses.

9.4.3. It is proposed that the site will be accessed via the existing main access on Medebridge Road

which is laid out and constructed to a high standard, suitable to accommodate large vehicles.

The site connects to the A13 via Medebridge Road, Stifford Clays Road and High Road and

access to the site is currently signed for HGVs. As a result, construction traffic will pass in

close proximity to only one property between the A13 and the site.

9.4.4. The proposed solar project would result in a temporary increase in traffic on the approach

route to the site along Medebridge Road. However, it is considered that this impact would be

at a low level and within the range of daily fluctuations associated with the extant land uses

on site; the clay extraction and landfill operations. Once constructed and operational, the

proposed development will result in a negligible number of vehicle trips on the highway

network. Consequently, no significant discernable environmental impacts are expected to

arise as a result of the development proposals in terms of traffic and transport.

9.5. Air Quality

9.5.1. The site was formerly a mineral extraction site which has since been used for waste

management. As such, the site and wider area has experienced industrial scale working and

associated traffic and transport requirements for many years.

9.5.2. The anticipated construction period is expected to take up to 12 months including site

clearance and preparation works, construction of fencing, assembly and erection of the PV

panels, installation of the inverters/transformers and grid connection.

9.5.3. During this period based on initial studies and typical delivery vehicle types it is expected

that the construction and decommissioning traffic will equate (on average) to a total of

approximately 13 delivery vehicles per day, based on a six day week, over the entire

construction period. Therefore the construction works are expected to have some minor

effects with regard to noise, dust and traffic but will be short term and local in nature and

will be mitigated through a Construction Traffic Management Plan. There will be no

hazardous, toxic or noxious substances emitted during the operational phase of the solar

Page 22: The Ockendon Landfill Solar Project - IEMA - Home Ockendon Landfill... · The Ockendon Landfill Solar Project ... which is included in the planning application suite of documents.

July 2014 The Ockendon Landfill Solar Project

Insert Document Reference

18

project. The only traffic generated during the operational phase would be occasional visits

from engineers and contractors for site maintenance, which would be no more than 4 to 6

times per year.

9.6. Noise Environment

9.6.1. It is envisaged that during the construction phase there would be some minor impacts in

terms of noise whilst the equipment is installed and through vehicle movements to and from

the site. However, the site is located away from sensitive receptors and it is considered that

any residual noise can be mitigated by limiting the installation phase to socially acceptable

daytime hours. Any increases in noise levels during the construction phase will be short-

term in nature and minimal given the nature of the surrounding land uses and their

associated noise emissions.

9.6.2. Once installed the solar panels will not generate any noise or vibrations. The only noise

arising from the development will be associated with the fan units used to keep the inverter

equipment cool in warm weather and will generally only occur during daytime hours. This

will be low level noise and the units will be housed within a building and unlikely to be

apparent from the surrounding areas.

9.7. Climate Change

9.7.1. Climate change is not considered to be a significant environmental issue for this proposal

due to its relatively short life span. Importantly, the generation of renewable energy from a

solar PV development of this size will have a very positive effect on climate change. The

Thurrock climate change evidence base indicates that Thurrock is particularly vulnerable to

the adverse impacts of climate change including water resource deficiencies, sea level

changes, fluvial flooding and is also likely to be at risk from subsidence. Increasing

renewable and low carbon energy generation is identified as a priority within the document

for mitigating this impact.