Construction Environmental Management Plan
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Construction Environmental Management Plan
CONTENTS
1 Introduction ................................................................................................................. 3
2 Construction Schedule ................................................................................................. 4
3 Deliveries and Construction Hours .............................................................................. 4
4 Construction Vehicle Details ........................................................................................ 4
5 Public Road Vehicle Routes .......................................................................................... 6
6 Contractor use of Public Transport .............................................................................. 7
7 Site Access and Internal Tracks .................................................................................... 7
8 Health and Safety ......................................................................................................... 8
9 Measures to be adopted to mitigate construction impacts in pursuance of the
Environmental Code of Construction Practice................................................................8
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Construction Environmental Management Plan
1 INTRODUCTION
On the basis that planning consent is granted for the installation and operation of a solar farm and associated infrastructure including; PV solar panels, mounting frames, inverters, transformers, fencing and pole mounted security cameras at Friths Farm, Fen Road, Boston,
Lincolnshire we have provided a Construction and Environmental Management Plan for Local
Planning Authority approval.
Fig 1. Map showing proposed site location.
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Construction Environmental Management Plan
2 CONSTRUCTION SCHEDULE
If planning permission was granted and the scheme was successful at the CfD auction (Oct 2014) construction is expected to commence August of 2015.
3 DELIVERIES AND CONSTRUCTION HOURS
Noise generating construction and decommissioning works shall be undertaken between 0800 and 1800 Monday to Friday, and 0800 to 1300 on Saturdays, with no noise generating works to be undertaken outside of those hours. Other working hours may be between 0700 and 1900
Monday to Saturday.
4 CONSTRUCTION VEHICLE DETAILS
Construction vehicles will include private cars and minibuses for staff movements and commercial vehicles up to HGV’s for component and materials delivery. It is not expected that any vehicle will require permission for abnormal load movements (wide, long or heavy) and no public road amendments will be required. The maximum size of vehicle is expected to be transporting 40 foot containers with an estimated length of 16.5m. Axle loads will be less than
11 tonne for all vehicles.
Personnel vehicle movements
It is estimated that there may be up to 60 workers on the site generating 12 car movements each day and up to 6 mini buses with a capacity of up to 12 seats per day.
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Construction Environmental Management Plan
Traffic Movements
It is anticipated that there will be an average of 7 vehicle movements per day (with a peak of 12).
The estimated number of delivery vehicles is as follows;
Transport
DNO Substation
Foundation civil works
DNO substation
Structural civil works
DNO substation
Equipment Fit-out
Materials (stone, geogrid etc.) for access track and foundations for client substation, invertor housing, transformer housing, communications housing
Construction compound setup and decommissioning
Mounting frames
Solar panel modules
Inverters and transformers
Vehicle type guideline
Tipper lorry
Flatbed lorry, concrete mixer 6
Flatbed lorry, Hyab and vans 20
Tipper lorry, concrete mixer 56
Flatbed lorry
Flatbed lorry (at 750kWp per lorry)
Flatbed lorry (at 570 modules per lorry)
Flatbed lorry
Estimated number of vehicles
6
9
36
196
9
Cables
Fence
Flatbed lorry
Flatbed lorry
6
2
Security system
Site excavation equipment
Waste removal
Total number of Vehicles
Flatbed lorry
Flatbed lorry
Waste removal trucks
2
9
9
366
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Construction Environmental Management Plan
5 PUBLIC ROAD VEHICLE ROUTES
It is suggested the site be accessed from the west on the A52 turning right onto Fen Road and finally right into Friths Farm.
Figure 2. Map Showing Suggested Vehicle Access to Site:
Public Road Cleanliness
During construction, most vehicles will be restricted to the gravel site access tracks. As and when necessary, vehicle wheels will be manually cleaned prior to release onto the public highway. The site construction manager will monitor the public highway conditions and will assess if further measures are required to maintain road cleanliness.
It is unlikely that deliveries to the site will cause any disruption to local traffic flows. To avoid any congestion the construction team would undertake to:- i.
A banks-man will be deployed if required in order to avoid congestion on the public highway. If a banks-man is deemed necessary, they will be positioned at the entrance from the highway. ii.
Temporary traffic signage will be used throughout the construction period.
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Construction Environmental Management Plan
6 CONTRACTOR USE OF PUBLIC TRANSPORT
Because of the rural location, contractors will not be able to use public transport; however, car sharing and mini buses will be used when appropriate.
7 SITE ACCESS AND INTERNAL TRACKS
Site Entrance
The site entrance will use the existing entrance to Friths Farm on the eastern side of the site.
Site Access Tracks
The existing access track will be upgraded for 400m with 10cm of gravel laid down. The top soil for other tracks will be removed to a depth of 100mm. A terrain membrane will be laid in the excavated access path and filled with 200mm of 75mm CR stone, which will then be compacted down to 100mm to provide a suitable surface for vehicles.
The access path will be approximately 3.5m in width. Figure 3 is a photo of a similar access path as recently constructed at another of our solar farms.
Figure 3. Sample Access Track
Construction Compound
A temporary construction compound will be created within the yard of Friths Farm. This area will used for lorry turning.
HGVs delivering invertors and materials for the substations may deliver directly to the area required. These deliveries will be made using the constructed site access tracks or roads and not across field tracks.
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Construction Environmental Management Plan
If wheel cleaning is required this will be undertaken manually in the compound area. All shuttle vehicles will be able to enter the site and unload within the compound area. There will be no queuing, parking or unloading on the public highway.
8 HEALTH AND SAFETY
Site safety will be detailed within the site construction Health and Safety Plan. This will include details of site management, site speed limits and control of vehicle access to site. The Principal
Contractor is responsible for site health and safety.
During construction, the site will be secured using temporary security fencing. This will be positioned in locations where the opening in the existing site boundary would allow intentional or accidental vehicle or pedestrian access to the construction area. This will prevent any unauthorised access during construction.
The Principal Contractor’s Site Manager will be responsible for monitoring and preventing unauthorised access to the site during working hours and an after-hours security guard will manage this outside of working hours.
9 MEASURES TO BE ADOPTED TO MITIGATE CONSTRUCTION IMPACTS IN PURSUANCE OF THE
ENVIRONMENTAL CODE OF CONSTRUCTION PRACTICE
The principal noise source attributable to the development of a solar farm would be from the:
- Piling machine ramming the frames into the ground; and
- Construction vehicles and tools used in trenching, earth removal, compacting access track
and lifting and distributing materials
All contractors will be required to conform to the construction noise code of practice BS 5228 and on site noise levels will be monitored when changes in process are required or in response to complaints. The adoption of Best Practicable Means, as defined in the Control of Pollution Act
1974, will be used in order to control noise. Noise levels during construction and decommissioning will not exceed an LAeq noise level of 60 dB 1-metre from the façade of any occupied residential dwelling.
In addition:
- Construction and decommissioning works will be undertaken between - 0730 and 1800
Monday to Friday, and 0800 to 1300 on Saturdays, with no noise generating works to be
undertaken outside of these hours.
- Deliveries will be programmed to arrive during daytime hours only and will be routed in
order to minimise disturbance to local residents. Delivery vehicles will be prohibited from
waiting within the site with their engines running.
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Construction Environmental Management Plan
- All plant items would be properly maintained and operated according to the manufacturer’s
recommendations in such a manner as to avoid causing excessive noise.
It is considered that the measures above would adequately protect the residential amenity of nearby neighbours due to the finite construction period and lack of residential properties close to the site.
Impact on Ground Water and Hydrology
The construction of a solar PV array is a relatively clean operation with extremely limited use of any liquid that is likely to cause pollution. Potential pollutants on site would be limited to fuel used in construction vehicles and machinery during the construction.
Plant and equipment on-site need regular supplies of diesel fuel. The EPC may occasionally organize a delivery of diesel fuel direct to the vehicles.
Refilling of equipment will take place in the open air and away from sources of ignition. Care will be taken to avoid spills and the consequences of any leak or spill assessed. Containers should be kept closed when not in use.
Any tanks will be a double walled and designed to offer the highest level of environmental protection in order to avoid spills and leaks caused by faulty pipes, couplings or fittings, which are located underneath the tank.
The inner portion of every hired tank will be made of blow-moulded, seamless high density polyethylene, and absolutely leak-proof and corrosion resistant. Any hired tank will made of galvanized steel that is also leak-proof and corrosion-resistant.
To minimize the potential danger of oil spills and leaks caused by corrosion, the tanks will be completely rust-free, inside and out.
Measures would be developed and put in place in order to manage any potential fuel spills as part of the contractor’s health and safety assessment. These measures will be maintained and monitored throughout the construction process.
Wastewater from temporary on-site facilities would be discharged via sealed containment systems by licensed contractors. Portable toilets will be hired for the duration of the construction period; therefore there will be no human waste issues on site.
A solar farm comprises of panels which are usually made of silicon layers that have similar characteristics to glass. Rainwater which falls onto the panels simply runs off onto the adjacent ground ( as it might from a greenhouse roof ).
There will therefore be no overall change in either the quantity, or quality, of water falling on the site and permeating into the ground.
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Construction Environmental Management Plan
The panels are mounted on a metal framework which is driven, or screwed, into the ground to a depth of about 1-1.5m. The depth of installation means that they do not interfere with existing groundwater patterns, or otherwise impact on the hydrology of the area. Furthermore, the upright poles are coated in an anodised material to prevent rusting and corrosion.
Thus, it can readily be concluded that the PV panels will not affect the pattern or quantity ( or quality ) of water absorption and will not have any adverse impact on water table levels which might lead to disruption of water supplies from nearby boreholes.
Waste Management
The EPC will ensure that all waste is disposed of responsibly from the site. The potential waste generated during the construction process will be:
- The pallets that the solar panels are packaged in. These will be either wood crates or
cardboard boxes. They will be removed from site on a regular basis and recycled.
- Packaging materials for various components, such as screws, cabling and mounting frames.
- Any non-recyclable waste will be stored separately.
- The development involves minor ground works and all top soil and sub soil would be
handled carefully to minimise the potential for damage to soil structure.
- Site office waste would be collected in separate containers in order to maximise the
potential for recycling.
- Kitchen waste will be taken off site in refuse containers and disposed of off-site.
Ecology
The ecological report submitted with the planning application highlighted the main ecological features of the application site and made recommendations in order to protect flora and fauna within the site. Based on this analysis and the subsequent recommendations, the following measures will be taken during construction to protect the ecology existing on site.
- Protection and retention of woodland, mature trees and hedgerows. Pollution prevention
for watercourse. Hedgerow interplanting/habitat creation; and
- Any excavations left open once any development works commence will be covered or have
a means of escape fitted should any badger fall in during non-operational hours (entire
development site).
Badger gates will be fitted to the perimeter security fence or alternatively sections of perimeter fencing, at appropriate intervals, will be raised or have underpasses installed to maintain and allow the dispersal of badgers and other wildlife through the site. The fencing will be regularly inspected and maintained to ensure no public access is gained through the site. This will prevent construction resulting in a barrier to dispersal or reducing foraging opportunities for badgers.
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