Swarkestone Quarry: Discharge Permit Variation Application
11 September 2020 T1.01
Swarkestone Quarry: Discharge Permit Variation Application
Prepared for Tarmac Trading Limited Meeting Street Quorn Loughborough LE12 8EX
Report reference:
330201435R1, September 2020
Report status: Final
CONFIDENTIAL
New Zealand House, 160-162 Abbey Foregate, Registered Office: Shrewsbury, Shropshire Stantec UK Ltd SY2 6FD Buckingham Court Kingsmead Business Park Telephone: +44 (0)1743 276 100 Frederick Place, London Road Facsimile: +44 (01743 248 600 High Wycombe HP11 1JU Registered in England No. 1188070
Swarkestone Quarry: Discharge Permit Variation Application
SWARKESTONE QUARRY: DISCHARGE PERMIT VARIATION APPLICATION
This report has been prepared by Stantec UK Ltd (Stantec) in its professional capacity as environmental specialists, with reasonable skill, care and diligence within the agreed scope and terms of contract and taking account of the manpower and resources devoted to it by agreement with its client and is provided by Stantec solely for the internal use of its client.
The advice and opinions in this report should be read and relied on only in the context of the report as a whole, taking account of the terms of reference agreed with the client. The findings are based on the information made available to Stantec at the date of the report (and will have been assumed to be correct) and on current UK standards, codes, technology and practices as at that time. They do not purport to include any manner of legal advice or opinion. New information or changes in conditions and regulatory requirements may occur in future, which will change the conclusions presented here.
This report is confidential to the client. The client may submit the report to regulatory bodies, where appropriate. Should the client wish to release this report to any other third party for that party’s reliance, Stantec may, by prior written agreement, agree to such release, provided that it is acknowledged that Stantec accepts no responsibility of any nature to any third party to whom this report or any part thereof is made known. Stantec accepts no responsibility for any loss or damage incurred as a result, and the third party does not acquire any rights whatsoever, contractual or otherwise, against Stantec except as expressly agreed with Stantec in writing.
Report Reference: 330201435R1 Report Status: Final Swarkestone Quarry: Discharge Permit Variation Application
Name Signature
Author Chris Woodhouse
Checked by Andrew Tait
Reviewed by Barnaby Harding
Revision record:
Issue Date Status Comment Author Checker Reviewer
For external 1 10/09/2020 Draft report CDW AWT BCH review
1 11/09/2020 Final report CDW AWT BCH
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Contents
1 INTRODUCTION 1
1.1 Background 1
1.2 Pre-application Discussions 1
1.3 Application 1
1.3.1 Application forms 1
1.3.2 Application fee 2
1.4 Data Sources: 2
1.5 Report Structure 2
2 BASELINE CONDITIONS 4
2.1 Site Setting 4
2.2 Geology 4
2.2.1 Regional geology 4
2.2.2 Infilled ground and landfilling 6
2.3 Hydrogeology 6
2.3.1 Groundwater classification and systems 6
2.3.2 Groundwater levels and flows 6
2.3.3 Groundwater quality 6
2.4 Hydrology 7
2.4.1 Rainfall 7
2.4.2 Surface water features 8
2.4.3 Surface water flows 12
2.4.4 Flooding 14
2.4.5 Surface water quality 14
2.4.6 Surface water classification 14
2.4.7 Discharges 14
2.5 Receptors 15
2.5.1 Surface water features 15
2.5.2 Buildings and infrastructure 15
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2.5.3 Highways and rights of way 15
2.5.4 Designated sites 15
2.5.5 Licenced abstractions 15
2.5.6 Private water supplies 16
3 PROPOSED VARIATION 17
3.1 Existing Discharge Activity Permit 17
3.2 Proposed Site Water Management and Variation 17
3.2.1 Outline 17
3.2.2 Dewatering 17
3.2.3 Discharge of dewatering effluent 18
4 IMPACT ASSESSMENT 20
4.1 Impacts of Dewatering on the Milton Brook 20
4.2 Impacts from the Proposed Discharge Variation 20
4.2.1 Overview 20
4.2.2 A1 Impacts on water quality 21
4.2.3 B1 Impacts on receiving flows and levels 21
4.2.4 B2 Diversion of baseflow from one catchment to another 22
4.3 Summary 23
4.4 Monitoring Plan and Proposed Conditions 23
4.4.1 Environmental management system 23
4.4.2 Proposed mitigation measures 23
4.4.3 Proposed monitoring 24
5 SUMMARY 25
5.1 Non-Technical Summary of Application 25
5.2 Permit Variation Requirements 25
5.3 Impact Assessment Summary 26
FIGURES
Figure 1.1 Site location 3 Figure 2.1 Map of LiDAR topography around the Site 5
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Figure 2.2 Neighbouring surface water features and discharge permits 11 Figure 2.3 Photograph of concrete structure looking north at downstream end of Milton Brook (Milton Brook pool to the left and River Trent on the right) 12 Figure 3.1 Proposed Site water management, including existing discharge locations and proposed variation 19
TABLES
Table 2.1 Groundwater quality summary1 7 Table 2.2 Rainfall data statistics for Clay Mills rain gauge (October 1982 – June 2020)1 8 Table 2.3 Flow statistics for the River Trent at Shardlow (CEH, 2020) 13 Table 2.4 Other discharge activity permits in the Milton Brook catchment 15 Table 2.5 Abstractions within 3 km of the Site. 16 Table 4.1 Potential impacts of dewatering and water transfer 20 Table 4.2 Qualitative assessment of impacts 23 Table 5.1 Summary of quantities requiring a discharge activity permit and proposed rates 26
APPENDICES Appendix A Application Forms
Appendix B Pre-application Advice
Appendix C Additional Information for Part A
Appendix D Existing Discharge Activity Permit
Appendix E Summary of Environmental Management System
Appendix F Hydrogeological Impact Assessment & Flood Risk Assessment
Appendix G Site Visit Photographs
Appendix H Phasing Drawings
Appendix I Impact Assessment Methodology
Appendix J Environmental Management System (Discharge)
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1 Introduction
1.1 Background Stantec UK Ltd (Stantec) has been engaged by Tarmac Aggregates Ltd (Tarmac) to prepare and submit an application for a discharge activity permit variation related to the southern extension to the existing Swarkestone Quarry in Derbyshire. The planning application for the southern extension (the Site) was approved by Derbyshire County Council (DCC) on 5 November 2018. The planning permission allows excavation of sand and gravel mineral with restoration to a mixture of agriculture and nature conservation; with some filling with inert restoration material (subject to obtaining an appropriate waste environmental permit).
The Site is located on the southern, true right, bank of the River Trent, 1.3 km south-west of Barrow- upon-Trent and 1.9 km east of Repton. Figure 1.1 shows the Site location. The Site is currently mostly used as arable agricultural land and lies south of the existing Swarkestone Quarry that is situated north of the River Trent on the opposite bank. Excavated sand and gravel will be conveyed from the Site, via a Bailey bridge (currently under construction), to the existing Swarkestone Quarry for mineral processing.
Tarmac proposes to dewater the quarry void in a series of phases to work the mineral dry and to allow deposition of imported inert fill material. Stantec, on behalf of Tarmac, submitted a transfer licence application to the Environment Agency (EA) on 13 September 2019 (ID NPS/WR/032339). This application was removed by the EA on 10 February 2020. On 8 June 2020, Stantec submitted a second transfer licence application on behalf of Tarmac (ID NPS/WR/033921).
In support of the planning application for the Site, Golder Associates (UK) Ltd (Golder Associates) prepared a Hydrogeological Impact Assessment (HIA) (Golder Associates, 2018) which is provided in Appendix F. This HIA suggests that the proposed dewatering could cause a significant impact on flows within the Milton Brook (located south of the Site – see Figure 1.1). This potential impact is to be mitigated by augmenting the Milton Brook with dewatering effluent under the terms of a discharge activity permit. The EA has advised that this can be achieved by varying the existing discharge activity permit (see Section 1.2).
1.2 Pre-application Discussions Stantec submitted a request for basic pre-application advice on 16 July 2020. The EA responded in writing on 23 July 2020 (ref. T/36/46073/T/V004). A copy of this response is provided in Appendix B. The pre-application advice from the EA states that Tarmac can vary the existing discharge activity permit (ID: T/36/46073/T) to add the Milton Brook as an additional discharge location.
Other than the correspondence provided in Appendix B, there have been no further pre-application discussions with the EA.
1.3 Application 1.3.1 Application forms This report provides the overarching document containing all necessary information for the application. It is accompanied by the required application forms (as specified by the EA in the pre-
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application advice (see Appendix B)). The application forms are provided in Appendix A and include the following:
Part A - About you (EPA Version 13, January 2020); Part C2 - General – varying a bespoke permit (EPC2 Version 13, January 2020); Part B6 – Variation to a bespoke water discharge activity and groundwater (point source) activity (EPC6 Version 11, July 2018); and Part F1 - Charges and declarations (EPF1 Version 12, January 2020).
Additional information required for Part A is provided in Appendix C. 1.3.2 Application fee Payment of the application fee will be processed via BACS (see Part F1 in Appendix A for reference number). The application fee will be £3,105, as per the pre-application advice from the EA (Appendix B). This comprises:
£2,326 – Application fee for Trade effluent and/or non-sewage effluent and/or rainfall related discharges to surface water or groundwater with a volume greater than 5 m3/day (not requiring specific substances assessment); and £779 – to cover the costs of a habitats assessment. 1.4 Data Sources: The information and assessments in this report are predominantly based on secondary data analysis associated with the Site itself and the surrounding land area. The following data sources have been used to prepare this report:
Previous reports for the Site prepared in support of planning, including the HIA (Golder Associates, 2018) and Flood Risk Assessment (FRA) (Golder Associates, 2018a); geological data from mineral exploration and monitoring boreholes provided by Tarmac; British Geological Survey (BGS) mapping; Ordnance Survey (OS) mapping; Site visit undertaken by Stantec on 28 August 2020; and Data from the EA including rainfall, historical and existing landfill data, flow data, LiDAR data, discharge activity permits and abstraction licences. 1.5 Report Structure This report consists of the following:
a description of baseline conditions at the Site and Milton Brook (Section 2); a description of the existing discharge activity permit, the proposed variation and how this relates to water management at the Site as a whole (Section 3); an assessment of the potential impacts and risks of the proposed variation, together with monitoring and mitigation measures (Section 4); and a summary of the proposals (Section 5).
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Figure 1.1 Site location
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2 Baseline Conditions
2.1 Site Setting The Site is located approximately 1.9 km east of Repton and 2.5 km south of the Derby suburb of Stenson Fields (part of Sinfin) in Derbyshire (nearest postcode DE65 6EJ and NGR SK 336 276). The Site is situated 670 m south of the A5132 and the River Trent flows to the north and east.
The Site is greenfield land, currently used as arable farmland and covers 61 ha. Tarmac has planning permission to extract 2.5 million tonnes of sand and gravel from a 46 ha extraction area over an eight year period. The existing Swarkestone Quarry lies to the east of the Site and sand and gravel extraction has been undertaken here since at least the 1990s.
Land use in the area around the Site is a combination of rural and urban. Other than the existing Swarkestone Quarry, the Site is bordered to the north (beyond the River Trent), west and south by arable and pastoral farmland. The Milton Brook lies south of the Site. A number of settlements lie within 1 km of the Site, these include Foremark (500 m south of the Site), Poplar’s Farm (500 m north), Cuckoo Barn (650 m south-east), Ingleby (650 m east), Twyford (750 m north) and Fields Farm (850 m north).
Figure 2.1 shows a map of LiDAR topography around the Site. Topography in the area around the Site is largely low-lying with low relief and is dominated by the River Trent and its floodplain. At the Site itself, ground levels vary from 36.2 – 40.1 m AOD being largely flat with a very gentle topographic gradient towards the River Trent to the north and east. South of the Site and Milton Brook, ground levels rise steeply across a sandstone escarpment, peaking at around 120 m AOD approximately 1.7 km south of the Site. North of the River Trent, there is no escarpment.
2.2 Geology 2.2.1 Regional geology The Site is underlain by sand and gravel river terrace deposits of the Hemington Member (part of the Trent Valley Formation) and alluvium in parts of the north and east of the Site. The Hemington Member comprises the economic sand and gravel at the Site. Alluvial deposits are associated with the River Trent and other watercourses. The Milton Brook is partly underlain by alluvium at its eastern, downstream end and elsewhere is underlain by sand and gravel. Superficial deposits are largely absent south of the Site, but polymict head deposits are associated with minor stream valleys.
According to the British Geological Survey (BGS), bedrock geology beneath the Site comprises three units as follows (BGS, 2020):
Gunthorpe Member (Sidmouth Mudstone Formation) – siltstone; Chester Formation – interbedded sandstone and conglomerate; and Moira Formation – conglomerate in a sandy matrix. The east-west trending Barrow Fault downthrows to the north causing the younger Gunthorpe Member, part of the Mercia Mudstone Group, to crop out in the northern part of the Site. The Chester and Moira formations form part of the Sherwood Sandstone Group. South of the Site, the Milton Brook is underlain by the Chester Formation and it is the Chester Formation that forms the escarpment that runs parallel to the Milton Brook south of the Site (see cover photo).
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Figure 2.1 Map of LiDAR topography around the Site
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2.2.2 Infilled ground and landfilling Data from the EA indicates that the closest operational landfill is located immediately east of the Site on the opposite (northern) bank of the River Trent. This landfill is operated by Tarmac at the existing Swarkestone Quarry and was licenced in August 1998 to accept “other wastes”.
The closest operational or historical landfill located south of the River Trent is Lime Yards located 3.9 km to the south, which accepted inert and industrial waste, closing in 1986.
2.3 Hydrogeology 2.3.1 Groundwater classification and systems The sand and gravel deposits at the Site are designated by the EA as a Secondary A Aquifer. Secondary A aquifers are permeable layers capable of supporting water supplies at a local rather than strategic scale and can be an important source of baseflow to rivers. The Sherwood Sandstone Group is classified as a Principal Aquifer. Principal aquifers are permeable layers capable of supporting water supplies and river baseflow on a strategic scale.
The southern part of the Site, south of the Barrow Fault, is within the Tame Anker Mease – Permo- Triassic Sandstone Burton Groundwater Body (ID GB40401G301200). In 2016, this groundwater body was classified under the Water Framework Directive (WFD) as having a “good” quantitative status, a “poor” chemical status and a “poor” overall status. The northern part of the Site lies within the Lower Trent Erewash – Secondary Combined Groundwater Body (ID GB40402G990300). In 2016, this groundwater body was also classified as having a “good” quantitative status, a “poor” chemical status and a “poor” overall status.
2.3.2 Groundwater levels and flows Groundwater levels are recorded on an approximately monthly basis in four piezometers located around the Site perimeter. Each of these installations is understood to be installed within the sand and gravel aquifer. Groundwater levels typically vary by around 1 – 1.5 m in each borehole and the water table is relatively shallow, being typically around 0.5 – 2 m below ground level.
For the most part, groundwater flow appears to be broadly eastwards across the Site in the west, becoming south-eastwards in the east. Discharge from the sand and gravel aquifer is primarily to the River Trent. During times of high river flow, the River Trent may lose to the sand and gravel aquifer. It is expected that the Milton Brook, and other surrounding watercourses, are hydraulically connected to the sand and gravel aquifer and receive groundwater inflow. It is also thought that the Sherwood Sandstone Group aquifer and sand and gravel are in hydraulic continuity. Groundwater discharges from a spring in the Chester Formation approximately 70 m south of the Site. This was flowing at the time of the Site visit, with the discharge joining the Milton Brook.
2.3.3 Groundwater quality Groundwater quality is monitored in the four groundwater monitoring wells at the Site (thought to be screened across the sand and gravel) on a monthly basis beginning in November 2016. The boreholes have been monitored for a small selection of parameters. A summary of groundwater quality results for the Site is provided in Table 2.1.
The data indicate that groundwater quality is generally good with respect to major ions and metals. Exceedances of the UK Drinking Water Standard (DWS) are recorded for ammoniacal nitrogen in
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11% of samples and a single exceedance of the sulphate DWS. The sulphate exceedance occurred as a single spike in December 2019, 205 mg/l higher than any other recorded concentration, and is therefore thought to be anomalous. Concentrations of ammoniacal nitrogen tend to peak over the summer months. Such concentrations are not unexpected in this aquifer environment and are likely related to agricultural practices.
Table 2.1 Groundwater quality summary1
Concentration (mg/l) Determinand < LOD (%) > DWS (%) Minimum Mean 95th Percentile Maximum
pH 6.7 7.52 8.2 8.58 0 -
Chloride 15 35.1 55.7 94 0 0
Sodium 9 19 31 131 0 0
Sulphate 51 80.3 119 342 0 0.7
Ammoniacal <0.01 0.174 0.583 4.7 44.6 10.8 Nitrogen
Cadmium 3.0 x 10-8 1.72 x 10-4 5.7 x 10-4 0.002 20.5 0
Nickel <0.001 0.00268 0.007 0.016 20.9 0
1Values in red exceed the DWS
2.4 Hydrology 2.4.1 Rainfall Rainfall data provided by EA for October 1985 to June 2020 is available from the Clay Mills rain gauge located approximately 6.6 km south-west of the Site. Table 2.2 summarises the rainfall statistics from the Clay Mills rain gauge. These indicate that annual rainfall varies from 392 mm (2011) to 947 mm (2019). Mean monthly rainfall ranges between 43 mm (February) and 66 mm (December). There is little seasonality, with late winter and early spring being slightly drier and early winter being wetter. Annual rainfall generally decreased between 2012 and 2018 but was above the mean for five of these seven years.
The Standard Average Annual Rainfall (SAAR) for the Site of 656 mm is consistent with the mean rainfall recorded at Clay Mills (668 mm). Given this, rainfall data from Clay Mills is considered to be representative of rainfall at the Site.
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Table 2.2 Rainfall data statistics for Clay Mills rain gauge (October 1982 – June 2020)1
Period Rainfall (mm)
January 53.4
February 43.0
March 48.1
April 48.5
May 48.9
June 59.5
July 55.1
August 57.2 Mean monthly rainfall rainfall monthly Mean
September 53.3
October 65.5
November 62.4
December 66.0
Total 661
Mean annual rainfall (1984 – 2019)2 668
Median annual rainfall (1984 – 2019)2 703
Minimum annual rainfall (1984 – 2019) 392
Maximum annual rainfall (1984 – 2019) 947
1Data missing for September 1983, October 1985, and March 1995 2Calculation excludes 1983, 1985 and 1995
2.4.2 Surface water features Figure 2.2 shows neighbouring surface water features around the Site. The River Trent is the dominant surface water feature in the region around the Site. The Site is situated on the true right bank of the River Trent which meanders past the Site being located around 60 m away to the north and east. The River Trent flows broadly eastwards in the area around the Site and is sourced around
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52 km north-west of the Site in the Staffordshire Moorlands. Approximately 110 km north-east of the Site it reaches its confluence with the River Humber.
The Milton Brook lies south of the Site and flows eastwards to the River Trent 90 m east of the Site. Photographs of the Milton Brook along its length in the Site vicinity are provided in Appendix G. The Milton Brook rises 2.7 km south of the Site just north of Foremark Reservoir. It flows broadly northwards through Milton village and along Meadow Lane before taking a sharp eastward turn 740 m west of the Site at its confluence with another stream (referred to as Stream A) that is sourced from agricultural land 1.3 km west of the Site. This sharp turn, together with the straight-sided alignment of the watercourse indicates that the Milton Brook has been anthropogenically modified, likely to improve field drainage. From the confluence with Stream A, the Milton Brook passes beneath Meadow Lane and flows eastwards past the Site. Approximately 290 m upstream of the Site, OS mapping suggests that the Milton Brook is joined by a field drain. However, this drain, which drains water-logged agricultural land to the west of the Site, reportedly does not join the Milton Brook (Golder Associates, 2018).
Another tributary (referred to as Stream B) joins the Milton Brook 25 m south of the Site, north of Mill Plantation. Stream B flows northwards from Home Farm 900 m south of the Site and turns sharply east as it flows through Mill Plantation before its confluence with the Milton Brook. A further minor tributary joins the Milton Brook downstream of its confluence with Stream B and is sourced from the south-east corner of Mill Plantation.
In the vicinity of the Site, water levels in the Milton Brook are around 1 – 1.5 m deep (at the time of the Site visit) and approximately 4 m wide. The channel is heavily vegetated in places and becomes narrower (2.5 – 3 m) and more incised in the western part of the Site.
Approximately 305 m west of the River Trent, the Milton Brook widens significantly, from an approximately 4 m wide channel to form a pool 20 – 25 m wide. This pool is 300 m long and continues to the confluence with the River Trent. A concrete structure forms the eastern end of the pool. This appears as a solid wall and there is no evidence of any conduit through it. Figure 2.3 shows a photograph of the concrete structure. At the time of the site visit, water levels either side of the concrete were similar (likely slightly higher in the Milton Brook) and sediment was observed on the top of the concrete structure suggests that the Milton Brook and/or River Trent sometimes overtops the concrete structure. Water in both the River Trent and Milton Brook either side of the structure was stagnant (i.e. no flow) at the time of the Site visit. Based on these observations, it is inferred that the concrete structure is actually a dam and its construction has caused the Milton Brook pool to form (possibly for recreational purposes). The pool will provide additional flood storage during flood events in both the River Trent and Milton Brook.
Ecological surveys undertaken as part of the planning submission identified that the Milton Brook supports various invertebrate and fish species (David L Walker, 2015). The Milton Brook has a low suitability for supporting Water Vole and there was no evidence of Otter.
Based on LiDAR data and site observations, the Milton Brook catchment has a total area of approximately 10.8 km2. The approximate catchment is shown in Figure 2.2. Both the River Trent and the Milton Brook are classified by the EA as main rivers. The next closest main river to the Site is Old Trent Water, located 1.7 km west of the Site. There are numerous other minor watercourses in the Site vicinity. Many of these follow field boundaries and appear to be field drains.
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There are two surface waterbodies within the Site itself located in the north and south of the Site. These are reportedly ephemeral (Golder Associates, 2018). The next closest waterbody on the southern bank of the River Trent is a large pond located 340 m south of the Site at Foremark. Numerous other surface water features are associated with water management at the existing Swarkestone Quarry located north of the River Trent and east of the Site.
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Figure 2.2 Neighbouring surface water features and discharge permits
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Figure 2.3 Photograph of concrete structure looking north at downstream end of Milton Brook (Milton Brook pool to the left and River Trent on the right)
2.4.3 Surface water flows Flows in the River Trent are available from a flow gauge at Shardlow (approximately 11 km east and downstream of the Site) (CEH, 2020). Flow statistics are shown in Table 2.3. As the Site is upstream of the Shardlow gauging station, flow in the River Trent at the Site is expected to be lower. The baseflow index is relatively high for the River Trent, indicating that it may receive a relatively significant portion of baseflow from groundwater.
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Table 2.3 Flow statistics for the River Trent at Shardlow (CEH, 2020)
Parameter Value
Time range 1957 – 2019
3 95% exceedance (Q95) 17.58 m /s
3 70% exceedance (Q70) 27.81 m /s
3 50% exceedance (Q50) 36.67 m /s
3 10% exceedance (Q10) 103.9 m /s
Mean flow 51.41 m3/s
Baseflow index (-) 0.65
Catchment area (km2) 4,400
In August 2020, the EA provided spot flow gauging results for the River Trent at Willington Cableway. This gauging location is sited approximately 3.5 km west and upstream of the Site. Flow gauging has been undertaken on 36 occasions at a variable frequency between May 2005 and January 2018. Measured flows vary from 16 – 208 m3/s but, due to the irregular frequency, it is not considered appropriate to compare these to the flows given in Table 2.3. The EA also records stage of the River Trent at Willington Cableway. Daily mean stage recorded between 12 February 1997 and 16 July 2020 shows that river levels fluctuate by approximately 3.3 m however, no datum for these measurements has been provided.
The EA supplied flow gauging data for the Milton Brook by email on 27 August 2020. Data are sporadically available between April 1975 and August 1996 from eight gauging locations upstream of the Site and the confluence with Stream A. A total of 27 flow gauging results are available with most (20) being collected near Milton Wastewater treatment works, 850 m south-west of the Site (the discharge from this feature is marked as “STWL” on Figure 2.2). Due to the sporadic nature of the data, it is not possible to provide meaningful flow statistics for the Milton Brook. However, the data can be used to obtain an understanding of the possible range of flows in the Milton Brook. Flows vary from a minimum of 0.002 m3/s (recorded in September 1976 at Milton Wastewater treatment works) to a maximum of 0.099 m3/s (recorded in August 1981 at the same location). Discharge from the treatment works (see Section 2.4.7) may have a significant influence on the flow regime. Based on this data, flows in the Milton Brook are typically around four orders of magnitude lower than the River Trent.
Golder Associates visited the Site in November 2014 and observed a “strong flow” in the Milton Brook adjacent to Meadow Lane (740 m west of the Site) and within the brook adjacent to the Site. At the Site visit of 28 August 2020, a “moderate flow” was observed in the Milton Brook at Meadow
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Lane. Downstream of Meadow Lane, flow velocity slowed gradually, with very low flows observed adjacent to the Site and no flow observed in the Milton Brook at the pool (adjacent to the River Trent). Very little flow was observed in the tributaries of the Milton Brook south of the Site (including Stream B). Based on observations, flow data and its catchment size, the Milton Brook is inferred to be a perennial watercourse.
If the concrete structure at the eastern end of the Milton Brook is acting as a dam, flows in the Milton Brook upstream would be expected to slow closer to the concrete structure as water “backs-up” upstream. This matches with site observations. The concrete structure could therefore be artificially raising levels in the Milton Brook upstream, which may, in turn, cause some flow loss to the sand and gravel aquifer. The balance between inflows (from the surface water catchment) and outflows (to the aquifer) will determine the rise in the pool levels. This could potentially lead to overtopping where outflows to the aquifer cannot balance inflows and the available storage. Through time, the low flow velocity in the Milton Brook in the vicinity of the Site may have lead to increased deposition of fine sediment. This may have reduced the permeability of the bed of the Milton Brook, reducing flows to the aquifer and increasing the frequency of discharge to the River Trent.
2.4.4 Flooding An FRA was undertaken in support of the planning application; this is provided in Appendix F (Golder Associates, 2018a). The Site is within the functional floodplain of the River Trent and is entirely within fluvial Flood Zone 3b, indicating that there is an annual probability of fluvial flooding of at least 1%. The Site does not benefit from flood defences.
The EA pluvial (rainfall and runoff) flood risk maps indicate that localised areas of the Site are at risk of surface water flooding. Areas at a greater than low risk (> 1% chance of flooding) are associated with topographic depressions and existing water features, including the Milton Brook and waterbodies at the Site.
2.4.5 Surface water quality In response to a data request received in August 2020, the EA did not provide any surface water quality data for the area around the Site.
2.4.6 Surface water classification The northern and eastern parts of the Site that drain to the River Trent lie within the Trent from Dove to Derwent catchment (ID GB104028047420). In 2016, this catchment was classified under the WFD as having a “moderate” ecological status, a “good” chemical status and a “moderate” overall status. The southern and western parts of the Site draining to the Milton Brook lie within Milton Brook Catchment (ID GB104028047360). This catchment is hydromorphologically designated as being heavily modified which is consistent with the existing alignment based on OS mapping and site observations. In 2016, this catchment was also classified as having a “moderate” ecological status, a “good” chemical status and a “moderate” overall status.
2.4.7 Discharges The EA provided information on neighbouring discharge activity permits in August 2018. There are three existing discharge activity permits within the Milton Brook catchment. These are given in Table 2.4 and the locations of neighbouring discharges are shown in Figure 2.2. The closest of these is the STWL discharge at Milton Wastewater Treatment Works. Based on data from the EA, there are
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three active discharges within the Milton Brook catchment but none directly to the Milton Brook. Based on the plotted locations of the discharges, it appears that these are to ground or to minor tributaries.
STWL also discharges to the River Trent under two discharge activity permits, both of which are 3 km west and upstream of the Site. The only other discharges to the River Trent within 3 km of the Site are related to Tarmac’s quarrying operations.
Table 2.4 Other discharge activity permits in the Milton Brook catchment
Discharge Permit ID Permit Holder Distance from Site Discharge Activity
T/36/45730/R STWL 970 m south-west Wastewater treatment works effluent
T/36/40203/SG Bendalls Farm 2.2 km south Wastewater treatment works effluent
T/36/46164/SG Brookdale Farm 2.6 km south-west Domestic property
2.5 Receptors 2.5.1 Surface water features The Milton Brook and its tributaries and the River Trent could be susceptible to impacts from the proposed discharge variation.
2.5.2 Buildings and infrastructure The closest buildings and infrastructure are Foremark (500 m south of the Site) and Poplar’s Farm (500 m north). Neither of these are downstream of the Site. The closest downstream property to the Site is Elm Farm (part of Ingleby), located 650 m east of the Site.
2.5.3 Highways and rights of way There are no highways downstream of the proposed discharge of dewatering effluent. A public footpath is located on the southern, true right, bank of the Milton Brook.
2.5.4 Designated sites The closest designated site is Ticknall Quarries Site of Special Scientific Interest (SSSI), located approximately 3.5 km south-west of the Site. This site is designated for its woodland, grassland and open water flush habitats, but is not considered a receptor as it is upstream of the proposed discharge location.
2.5.5 Licenced abstractions The EA provided data on neighbouring licenced abstractions in August 2020. Table 2.5 summarises the neighbouring surface water abstractions. There are no licenced surface water abstractions from the Milton Brook. The closest surface water abstractions are sourced from the River Trent around 100 m from the Site by Eurofins Agroscience Services Ltd for direct spray irrigation. None of these locations are downstream of the proposed discharge of dewatering effluent.
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Table 2.5 Abstractions within 3 km of the Site.
Distance from Volume Licence ID Licence Holder Source Purpose Site (m3/year)
100 – 320 m east and north Direct spray MD/028/0036/005 Eurofins River Trent 10,000 (from five irrigation points
300 m north- Direct spray MD/028/0036/006 Ferry Lane Farms River Trent 30,000 west irrigation
Four points, closest is Public Water 03/28/36/0032 STWL Groundwater 1,500,180 580 m south- Supply west
680 m north- Mineral 03/28/36/0172 Tarmac Groundwater 1,000,000 east washing
03/28/36/0154 Tarmac 1.7 km east River Trent Water transfer 250,000
Non- MD/028/0036/002 MPF Generation 2.4 km west River Trent evaporative 9,986,400 cooling
2.7 km north- 03/28/36/0144 MPF Generation Groundwater Process water 600,000 west
Mineral 03/28/36/0155 Tarmac 2.7 km east Groundwater 1,000,000 washing
Foremark Public Water 03/28/36/0148 STWL 2.8 km south 73,200,000 Reservoir Supply
Samuel Jackson Direct spray 03/28/36/0145 2.9 km east River Trent 30,000 Growers irrigation
2.5.6 Private water supplies South Derbyshire District Council (SDDC) provided details of neighbouring private water supplies in August 2020. There are six private water supply abstractions within 3 km of the Site. All of these are sourced from groundwater (boreholes or springs). None of these locations is downstream of the proposed discharge of dewatering effluent.
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3 Proposed Variation
3.1 Existing Discharge Activity Permit The existing discharge activity permit (ID T/36/460734/T) (see Appendix D) allows discharge to two reaches of the River Trent. Figure 3.1 shows the locations of the reach of the River Trent where the discharge from the Site is permitted. This reach is defined as “Outlet 2” on the discharge permit. The second reach (located further downstream) is for discharge from the existing Swarkestone quarry and is defined as “Outlet 1”. The permit allows discharge of trade effluent consisting of sand and gravel washing and dewatering effluent to the two reaches.
The discharge activity permit has the following limits:
maximum daily discharge of 20,000 m3/day; maximum instantaneous discharge of 232 l/s; suspended solids concentrations of up to 40 mg/l; and no visible oils or grease. The discharge to each outlet must also be made from one point only at any one time and must not cause any scouring of the banks or bed of the River Trent.
Discharge from the Site to the River Trent will only be through Outlet 2 (i.e. the reach of the River Trent adjacent to the Site).
3.2 Proposed Site Water Management and Variation 3.2.1 Outline Sand and gravel mineral will be worked sequentially in a series of five phases as shown in the phasing drawings presented in Appendix H. To facilitate dry working of the sand and gravel and deposition of imported fill, groundwater, rainfall and runoff ingress will be abstracted in each of the worked phases at the Site. This dewatering effluent will be primarily discharged to the River Trent (this is currently permitted by the discharge permit (see Section 3.1)). Dewatering effluent will also be discharges to the Milton Brook to mitigate impacts on levels and flows (this is the reason for the normal variation). Figure 3.1 shows the proposed water management arrangement that will be applied at the Site with Outlet 3 to the Milton Brook.
In accordance with the FRA submitted with the planning application, during fluvial flood events in the River Trent, pumping equipment and plant will be removed from the excavation area and stored outside the floodplain (Golder Associates, 2018a). There will be no pumping or discharge of dewatering effluent at the Site during times of fluvial flooding.
3.2.2 Dewatering Pumping will take place from a sump in the topographically lowest part of the active phase. The precise location of the sump within each phase will change through time as the excavation progresses. Settlement of entrained sediment will occur within the sump in the first instance. If this is insufficient to meet the water quality limit specified by the discharge activity permit, abstracted water will be passed to settlement lagoons to facilitate settlement prior to discharge off-site of the dewatering effluent. The location of these settlement lagoons (if required) will also vary through time as the quarry develops and earlier phases are progressively restored.
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Dewatering will occur to the base of the sand and gravel deposits. According to calculations undertaken for the HIA submitted in support of the planning application, groundwater inflows are estimated to be up to 11,630 m3/day (135 l/s) (Golder Associates, 2018). All mineral processing and wheel washing etc. will be undertaken at the existing Swarkestone Quarry and hence will not utilise any of the water removed from the Site. Dewatering will commence once a transfer licence has been granted by the EA and will cease after all sand and gravel has been excavated and imported fill has been emplaced.
3.2.3 Discharge of dewatering effluent It is proposed that dewatering effluent will be discharged to the River Trent and Milton Brook from the sump or settlement lagoons. Discharge of dewatering effluent from the Site will be of water sourced from dewatering of the excavations only.
The HIA indicates that dewatering could cause flow depletion in the Milton Brook (Golder Associates, 2018). Therefore, Tarmac proposes to discharge dewatering effluent to the Milton Brook as required to maintain levels. The discharge activity permit currently allows discharge of dewatering effluent along the River Trent reach shown in purple in Figure 3.1. It is proposed to vary the discharge activity permit to also allow discharge of dewatering effluent to the Milton Brook in the reach shown in orange in Figure 3.1. Discharge of dewatering effluent to the Milton Brook would be to the reach upstream of the pond located upstream of the confluence the River Trent and downstream of the western Site boundary. It is not proposed that any other changes will be made to the permit – i.e. all conditions, limits and volumes will remain the same as the existing permit.
It is proposed that the discharge of dewatering effluent will be to a single location along each reach at any one time (i.e. one location along the River Trent and/or Milton Brook). The precise location of the discharge of dewatering effluent will be varied along these reaches dependent on the phase being worked, but will always be upstream of the dewatered area. This is to ensure that there is no flow depletion in the River Trent or Milton Brook, particularly during times of low flow.
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Figure 3.1 Proposed Site water management, including existing discharge locations and proposed variation
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4 Impact Assessment
4.1 Impacts of Dewatering on the Milton Brook The HIA accompanying the planning application indicates that the proposed dewatering could reduce flows in the Milton Brook (Golder Associates, 2018). The HIA estimates the radius of influence to be up to 1.5 km, but probably <1 km based on the evidence from the dewatering at the existing quarry north of the River Trent. Therefore, dewatering of all phases at the Site could impact on flows in the Milton Brook. Dewatering impacts will be greatest for phases closest to the Milton Brook (Phase 2 and Phase 5) and least for phases further from the Milton Brook (Phase 3 and Phase 4).
Site visit observations indicate that flow in the Milton Brook is very low in the reach adjacent to the Site. This is due to the presence of the concrete structure at the downstream end. When levels in the Milton Brook pool are below the concrete structure, there will be no flow across the pool. Given the very low flow velocity in the Milton Brook adjacent to the Site, effects from dewatering on flow alone would likely be small, but impacts on levels could be significant. Impacts would be greatest during times of low flow/level, over summer or during periods of low rainfall.
4.2 Impacts from the Proposed Discharge Variation 4.2.1 Overview The array of potential impacts associated with the discharge of dewatering effluent from quarries is well understood. The main potential impacts are summarised in Table 4.1.
In the following sections the potential for the general impacts listed above to apply to the receptors identified in Section 2.5 are discussed. The impact assessment methodology applied is set out in Appendix I.
Each of the identified receptors has been assigned a value from low to high and, along with the magnitude of effect at each receptor, an associated degree of impact has been deduced. Where the degree of impact is more than minor, the potential impact is considered significant and mitigation measures have been proposed. Proposed mitigation measures are detailed in Section 4.4.
Table 4.1 Potential impacts of dewatering and water transfer
No. Type of Impact Typical Mitigation Measures
A Impacts from discharge causing deterioration in water quality
Settlement lagoons, best environmental Impacts on water quality in the receiving watercourse management practice regarding bunding of fuel A1 and downstream receptors tanks, appropriate spill response procedures etc.
B Impacts from discharge causing increase in flows and levels
Impacts on receiving watercourse flows and levels B1 Control of outflows and pumping rates and downstream receptors
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No. Type of Impact Typical Mitigation Measures
B2 Diversion of baseflow from one catchment to another Re-distribution of flows to other catchments
4.2.2 A1 Impacts on water quality Discharge of dewatering effluent from the Site to the Milton Brook could impact on water quality within the watercourse. Based on the WFD status, site visit observations and ecological information the Milton Brook is considered to be a medium value receptor. There are no downstream abstractions from the Milton Brook that could be impacted.
Site data indicates that groundwater quality in the area is generally good. Dewatering effluent discharged to the Milton Brook will be comprised of pumped groundwater from the excavation area, runoff and direct rainfall. As groundwater and surface water are in hydraulic continuity at the Site, groundwater and surface water quality is expected to be broadly similar and there will be no significant change in water quality from this aspect alone. There will be no discharge of hazardous substances.
Prior to discharge of dewatering effluent, water quality could be affected either by chemical spillages or mobilisation of suspended solids. Spills at the Site could feasibly occur from the accidental loss of fluids from mobile and fixed plant equipment. Any spill would be dealt with in accordance with standard operational procedures from Tarmac’s environmental management system – ISO14001. Dewatering and discharge of dewatering effluent to the Milton Brook and River Trent, would cease in the event of any spillage. Therefore, effects on the Milton Brook are considered to be negligible leading to a negligible degree of impact.
Water in the quarry sump will primarily be groundwater, and hence is expected to be clean with low suspended solid concentrations. Suspended solid concentrations in the water may become elevated due to the movement of mobile plant equipment or from runoff. Suspended solids will be given time to settle out of suspension prior to discharge of dewatering effluent to the Milton Brook. Further settlement will occur in settlement lagoons, if required, to achieve the water quality required by the discharge activity permit (suspended solids concentrations of < 40 mg/l). Monitoring of suspended solids concentrations will be undertaken to inform whether the discharge of dewatering effluent needs to pass via settlement lagoons to facilitate settlement of suspended solids.
There would be no discharge of dewatering effluent to the Milton Brook or River Trent if concentrations exceed the suspended solids limit. Suspended solids concentrations would therefore remain at acceptable levels and effects on the Milton Brook are expected to be negligible with a negligible degree of impact.
In order to ensure that water quality impacts do not occur in the Milton Brook, a series of monitoring and mitigation measures have been proposed and these are outlined in Section 4.4.
4.2.3 B1 Impacts on receiving flows and levels Discharge of dewatering effluent to the Milton Brook could lead to elevated flows and levels, potentially increasing flood risk to downstream receptors and erosion of the banks. Continued discharge of dewatering effluent to the Milton Brook during times of high flows could cause flooding to downstream receptors. The potential receptors along the Milton Brook downstream of the Site are the Milton Brook itself and the adjacent (to the south) public right of way.
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The EA has already approved the variation to the discharge activity permit that allows discharge of dewatering effluent to the River Trent from the Site. Therefore, as there are no proposed changes to the dewatering effluent volume or quality, impacts on the River Trent are already covered by the existing discharge activity permit.
If the proposed discharge of dewatering effluent to Milton Brook exceeded normal flows and/or levels, this could causing scouring of the bed and increased erosion of the banks potentially damaging habitats. It could also lead to more frequent overtopping of the concrete structure and a reduction in available flood storage. Without mitigation, effects on the Milton Brook itself could be medium – high producing a major level of impact. This is considered further in Section 4.4.2.
4.2.4 B2 Diversion of baseflow from one catchment to another Milton Brook lies in the same catchment as the southern part of the excavation area, with the remainder lying in the River Trent catchment. It is proposed to discharge dewatering effluent to both the Milton Brook and River Trent and consequently, there is expected to be no loss of flow within either catchment. However, dependent on the baseline groundwater flux to the watercourses and the distribution of discharge of dewatering effluent on any particular day, there could be some diversion in baseflow from the River Trent to the Milton Brook (or vice versa).
Given that the Milton Brook discharges naturally to the River Trent downstream of the Site when the concrete structure is overtopped, effects on the River Trent from discharging disproportionately more water to the Milton Brook are considered negligible and the degree of impact is also negligible. There could be a baseflow diversion from the Milton Brook if there is insufficient discharge of dewatering effluent to this watercourse, particularly during times of low flow. The degree of effect is expected to be low-medium and the degree of impact will be minor-moderate. Mitigation measures have been proposed to ensure that levels/flows within the Milton Brook are maintained.
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4.3 Summary Table 4.2 provides a summary of the impacts from the proposed discharge activity permit variation.
Table 4.2 Qualitative assessment of impacts
Degree of Receptor Degree Mitigable to No. Potential Impact Receptor effect value of impact insignificant impact
A Impacts on water quality
Treatment (settlement) if required supported Impacts on receiving by monitoring will A1 Milton Brook Negligible Medium Negligible watercourse quality ensure that there will be no impacts on water quality
B Impacts on flows and levels
Discharge plan set out in Section 4.4.2 will Impacts on receiving Medium – Moderate- ensure that there will B1 watercourse flows and Milton Brook Medium High Major be no increase in flow levels above baseline conditions
Discharge plan set out in Section 4.4.2 will Diversion of baseflow Low - Minor - ensure that there will B2 from one catchment to Milton Brook Medium medium Moderate be no decrease in flow another below baseline conditions
4.4 Monitoring Plan and Proposed Conditions 4.4.1 Environmental management system In accordance with EA guidance, the discharge of dewatering effluent will operate an Environmental Management System (EMS) for the proposed discharge variation. A copy of the EMS is presented as Appendix J. A copy of this EMS should be kept in an appropriate place, with persons responsible for operation and maintenance of the proposed discharge variation made aware of the contents. For the purposes of this EMS, Tarmac is the Operator. The Manager will be the Site manager or Environmental Manager as appointed by the Operator. It should be updated as required and reviewed regularly to check it remains appropriate.
4.4.2 Proposed mitigation measures The following potentially significant impacts could be caused by the proposed discharge variation without mitigation measures:
Increase in flood and erosion risk due to increased flows in the Milton Brook; and
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diversion of baseflow from the Milton Brook to the River Trent. Tarmac will install a gauge board at the concrete structure (i.e. downstream end of the Milton Brook). This gauge board is referred to as GB1 throughout the remainder of this report. To maintain levels within the Milton Brook, levels at GB1 will be monitored daily. Levels recorded at GB1 will be used to control the frequency of discharge of dewatering effluent to the Milton Brook as follows:
Discharge of dewatering effluent to the Milton Brook will commence if levels at GB1 fall to 0.4 m or more below the top of the concrete structure (i.e. the overspill level). Discharge of dewatering effluent to the Milton Brook will cease if levels at GB1 rise to 0.2 m or less below the top of the concrete structure. The first of these conditions will ensure that levels in the Milton Brook are maintained at least at pre- existing baseline levels (based on site visit observations). The second will ensure that flood risk is not increased.
4.4.3 Proposed monitoring During the dewatering phase of the quarry operation, the following monitoring would be undertaken:
Daily recording of stage in Milton Brook at GB1; Metering of discharge rates to Milton Brook and River Trent; Monthly water quality monitoring for suspended solids concentration at the outlets; and Daily visual monitoring for signs of visible contamination such as sediment and oil and grease in the discharge of dewatering effluent, the receiving watercourses and the excavation area (and settlement ponds if required). Monitoring of effluent suspended solids concentrations will be undertaken in the active quarry sump and/or settlement lagoon(s). These locations will vary with time as the quarry is progressively worked.
The proposed monitoring scheme is considered appropriate to ensure that impacts caused by the discharge of dewatering effluent will be negligible. If at any time the discharge of dewatering effluent is found to be in breach of permit conditions, the discharge of dewatering effluent will cease and the EA will be notified. An investigation would be undertaken and remedial action taken to ensure that the discharge of dewatering effluent then continues in line with the permit conditions.
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5 Summary
5.1 Non-Technical Summary of Application Tarmac proposes to dewater the southern extension to Swarkestone Quarry to facilitate dry working of the in-situ sand and gravel. The southern extension to Swarkestone Quarry has been granted planning permission but is currently undeveloped agricultural land. Tarmac has submitted a transfer licence application to allow water pumped from the excavation area to be transferred to the River Trent and Milton Brook.
Both the Milton Brook and River Trent are classed as main rivers and flow broadly eastwards. Milton Brook is a tributary of the River Trent and its confluence is downstream of the Site to the east. A concrete structure is present at the confluence and the Milton Brook likely only discharges to the River Trent during period of high levels and/or flows.
To prevent potentially significant flow depletion in the Milton Brook from dewatering the excavation area, the HIA proposes that the Milton Brook will be augmented. Tarmac already holds a discharge activity permit that allows discharge of dewatering effluent to the River Trent. Through pre- application discussions, the EA has advised that a variation to the existing discharge activity permit is required to allow discharge of dewatering effluent to the Milton Brook.
This application is to vary discharge activity permit T/36/460734/T to allow discharge of dewatering effluent to the Milton Brook as well as the River Trent. It is not proposed to vary anything else of the discharge activity permit. The discharge volume through Outlet 2 will be allowed to either the River Trent or the Milton Brook. If required, water will be discharged to the receiving watercourses via settlement lagoons to facilitate settlement of suspended solids and improve water quality.
It is proposed to discharge of dewatering effluent to the Milton Brook over a reach adjacent to the excavation area. The proposed discharge reach is shown in Figure 3.1. An impact assessment has been prepared by Stantec to consider the risks of the proposed discharge of dewatering effluent and deems it to be of ‘low’ risk after mitigation has been applied. Mitigation measures have been proposed to prevent any increase in flood risk downstream.
The discharge of dewatering effluent will be operated in accordance with an accredited Environmental Management System.
5.2 Permit Variation Requirements Tarmac is proposing to dewater the excavation area at the Site and transfer the dewatering water to the River Trent. As a means to augment the predicted reduction in flows in the Milton Brook to the south of the Site, Tarmac is proposing to discharge some of this dewatering effluent to the Milton Brook. This activity will be subject to a variation to the existing discharge activity permit (T/36/460734/T) that allows discharge of dewatering effluent and sand and gravel washings to the River Trent, and this report constitutes an impact assessment prepared in support of this application.
The current permit allows discharge of up to 20,000 m3/day (231 l/s) of groundwater and surface water to the River Trent. It is proposed to vary this to allow discharge of this quantity to either the River Trent (at Outlet 2) or the Milton Brook.
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Table 5.1 Summary of quantities requiring a discharge activity permit and proposed rates
Maximum daily Maximum Type (m3/day) instantaneous rate (l/s)
Discharge to Milton 20,000 232 Brook
Discharge to River 20,000 232 Trent
Total discharge 20,000 232
5.3 Impact Assessment Summary Effects on neighbouring receptors including abstractions, sensitive sites and surface water features have been considered. Impacts are considered to be insignificant with the exception of flood risk. The discharge will have a mitigating effect on the potential loss of baseflow in the Milton Brook from the quarry dewatering. Water quality impacts can be mitigated to insignificant through the application of robust environmental management practices. Monitoring of surface water levels in the Milton Brook adjacent to the Site is proposed to inform when the discharge of dewatering effluent should be permitted to protect the watercourse from flow depletion and flood risk.
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References
BGS. (2020, April). BGS 1:50,000 WMS UK geology datasets.
CEH. (2020). National River Flow Archive. Retrieved May 2020, from https://nrfa.ceh.ac.uk/data/search
David L Walker. (2015). Planning application for a 61 hectare extension to existing sand and gravel quarry including use of existing processing plant with restoration to a mixture of agriculture and nature conservation. Environmental Statement.
Golder Associates. (2018). Swarkestone Quarry Southern Extension Hydrogeological Impact Assessment and Flood Risk Assessment for Proposed Extraction of Sand and Gravel.
Golder Associates. (2018a). Swarkestone Quary Southern Extension Flood Risk Assessment (2D Flood Modelling Update).
Report Reference: 330201435R1 Report Status: Final
Appendices
Appendix A Application Forms
Appendix B Pre-application Advice
Tarmac Aggregates Limited Our Ref: T/36/46073/T/V004 Portland House Date: 23/07/2020 Bickenhill Lane Solihull Birmingham B37 7BQ
Dear Sir / Madam
Pre application checks – Basic service Swarkestone Quarry, Twyford Road, Barrow on Trent, Derbyshire
Following your pre-application request dated 16/07/2020 we have the following advice:
Application T/36/46073/T/V004 reference number Please find below a summary of our discussions and advice based on information provided on the online form and in our telephone call with Christopher Woodhouse on 22/07/2020:
The pre-application request form listed the applicant as Tarmac Trading Limited. It was confirmed by Christopher Woodhouse via voicemail on 22/07/2020 that the application is Tarmac Aggregated Limited.
You are proposing to add an additional discharge point to Activity 2 of Summary and the existing permit. The effluent quality and volume for this activity will advice remain the same. The discharge reach will be on the Milton Brook (a tributary of the River Trent) from approximately SK3309527246 (bridge) to the confluence with the River Trent. The discharge location is potentially seasonally dry.
The new discharge watercourse will require an assessment and therefore a normal variation will be required.
Please find guidance for the permit variation below:
Based upon the information in your pre-application request your site is Habitats screening located within/in proximity of a designated area and a habitats assessment will be undertaken during the determination of your application, you will need to pay an extra charge of £779 to cover the costs of this assessment. Further details of what “habitats assessment” refers to can be found in the charging guide at the following link: https://assets.publishing.service.gov.uk/government/uploads/system/u ploads/attachment_data/file/790217/EPR-charging-scheme-with- schedule-consolidated-2019.pdf
Your normal variation will attract an application fee of 2,326 as detailed in section 1.3.13 - Trade effluent and/or non-sewage effluent and/or rainfall related discharges to surface water or groundwater with a volume greater than 5m3 a day (not requiring specific substances assessment) of the Environment Agency’s Charging Scheme: https://www.gov.uk/government/publications/environmental-permitting- charging-scheme-2019 As the discharge volume and quality is unchanged, the subsistence fee will remain the same. Please note that a subsistence charge is an annual charge which is Baseline fee based on the type and scale of a permitted discharge. Payment of this required charge must not be included with payment of an application fee. Subsistence charges are invoiced to operators annually, after a permit is issued. The subsistence charge given above may change if we issue you a permit for a discharge of a different type and/or scale to the proposed discharge in this pre-application request. Please ensure all relevant sections of the application forms are completed accurately and all required documents are submitted and fully completed – failure to do so could cause delays in processing and the potential for us to retain a portion of the application fee should we need to return the application because it is incomplete and you fail to provide us the outstanding information in due time.
Please provide a fully completed version of Forms A, C2, C6 and F1.
If sections are not applicable to your permit please indicate this rather than leaving a section blank. Please find links to these forms below:
- A https://www.gov.uk/government/publications/application-for- Forms required to an-environmental-permit-part-a-about-you be submitted - C2 https://www.gov.uk/government/publications/application-for- an-environmental-permit-part-c2-varying-a-bespoke-permit - C6 https://www.gov.uk/government/publications/application-for- an-environmental-permit-part-c6-varying-a-water-discharge- activity-and-groundwater-point-source- - F1 https://www.gov.uk/government/publications/application-for- an-environmental-permit-part-f1-opra-charges-declarations
When you send your application you will also need to include: Additional - a summary of your management system (see section 3d of both documents Form C2 and Guidance form for C2 – you can find the link in required the previous section). - a risk assessment (section 8 of form). - any other supporting documents mentioned in the forms and forms guidance, e.g. site plans (section 5a of form/guidance form C2), non-technical summary (section 5c of form/guidance form C2), etc.
Disclaimer
The advice given is based on the information you have provided, and does not constitute a formal response or decision of the Environment Agency with regard to future permit applications. Any views or opinions expressed are without prejudice to the Environment Agency’s formal consideration of any application. Please note that any application is subject to a full technical check during duly making and determination, and additional information may be required based on your detailed submission and site specific requirements.
This advice covers Water Discharge Activities only. Other permissions from the Environment Agency and/or other bodies may be required for associated or other activities.’
What happens next?
This pre-application request is now closed. Further enquiries resulting from this response must be logged as a new request using the online form: https://www.gov.uk/government/publications/environmental-permit-pre-application-advice- form
If you need more extensive or technical pre-application advice, you can ask for our Enhanced service. The enhanced pre-application advice is charged at £100 per hour plus VAT. You will need to complete and submit a new online pre-application request to request enhanced pre-application advice.
Applying for a permit
If you submit an environmental permit application then please quote this pre-application reference number T/36/46073/T/V004.
Completed applications should be sent via email to:
Or by post to Environment Agency Permitting Support Centre Quadrant 2 99 Parkway Avenue Sheffield S9 4WF
A complete application must contain the following information;
Declaration Please ensure the Declaration section is completed by each “relevant person”. For an application from an individual, a relevant person is the person to be named on the permit. For an application from more than one individual, each person who is applying for their name to be on the permit must complete the declaration – you will have to print a separate copy of the declaration page for each additional individual to complete. In the case of a company, a relevant person must be an active director/company secretary as listed on Companies House – https://beta.companieshouse.gov.uk/ For a charity, a relevant person is a key postholder, ie, chair, chief executive, director or trustee.
Please ensure the declaration tick box is completed. Site Plan The site plan must be clearly marked and labelled with the locations of the treatment and discharge systems, discharge point(s) and sample point(s) if applicable. Application Fee Please note that your application will not be processed until we receive the full application fee payment.
We look forward to working with you on this project.
If you have any questions please call 03708 506 506.
Yours sincerely
Dave Pownall Permitting Officer, National Permitting Service [email protected]
Appendix C Additional Information for Part A
Second Contact Regarding Application
Company Name: Stantec UK Limited Companies House Link: Andrew Tait Address: New Zealand House 160 Abbey Foregate Shrewsbury SY2 6FD Email Address: [email protected] Mobile: 0770 367 8709
Date of birth information for Directors and Secretaries
Company Name: Tarmac Aggregates Limited Companies House Link: https://beta.companieshouse.gov.uk/company/00297905/officers Date: 7 August 2020
Name Date of Birth 1 Shaun Davidson 18/08/1968 2 Robin John Doody 12/02/1975 3 Paul Fleetham 14/02/1961 4 Jeremy Michael Greenwood 23/05/1966 5 Johanna O’Driscoll 09/01/1976 6 Martin Kenneth Riley 20/01/1967 7 Mark Thomas Wood 21/01/1973
Appendix D Existing Discharge Activity Permit
Appendix E Summary of Environmental Management System
Summary of Environmental Management System
In accordance with EA guidance (Environment Agency, 2018b), the discharge will operate an Environmental Management System (EMS) for the proposed discharge. A copy of the EMS is presented as Appendix CK. A copy of this EMS should be kept in an appropriate place, with persons responsible for operation and maintenance of the proposed discharge made aware of the contents. For the purposes of this EMS, Tarmac are the Operator. The Manager will be the Site manager or Environmental Manager as appointed by the Operator. It should be updated as required and reviewed regularly to check it remains appropriate.
Appendix F Hydrogeological Impact Assessment & Flood Risk Assessment
Appendix G Site Visit Photographs
Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 1 Photo Location: Milton Brook from bridge, north-east of Mill Plantation Direction: West Survey Date: 28/08/2020 Comments: Looking upstream, low flow velocity, approx. 4 m wide & 1.5 m deep
Photograph ID: 2 Photo Location: Milton Brook from bridge, north-east of Mill Plantation Direction: East Survey Date: 28/08/2020 Comments: Looking downstream, view obscured by vegetation growing across channel
Page 1 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 3 Photo Location: West of Anchor Church on true right bank of Milton Brook Direction: North-west Survey Date: 28/08/2020 Comments: Looking north across the Site, Milton Brook in foreground. Taken from break in sandstone escarpment.
Photograph ID: 4 Photo Location: On sandstone escarpment Direction: North Survey Date: 28/08/2020 Comments: Existing Swarkestone Quarry and River Trent
Page 2 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 5 Photo Location: By Anchor Church on true right bank of Milton Brook Direction: East Survey Date: 28/08/2020 Comments: Milton Brook pool looking downstream, very low flow.
Photograph ID: 6 Photo Location: West of Anchor Church on true right bank of Milton Brook Direction: North-west Survey Date: 28/08/2020 Comments: Milton Brook pool looking upstream, very low flow.
Page 3 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 7 Photo Location: East of Anchor Church on true right bank of Milton Brook Direction: East Survey Date: 28/08/2020 Comments: Milton Brook pool looking downstream, very low flow.
Page 4 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 8 Photo Location: Eastern end of Milton Brook Pool Direction: North Survey Date: 28/08/2020 Comments: Concrete structure separates River Trent and Milton Brook pool. No obvious flow in River Trent (eddy of River Trent east of structure) or Milton Brook pool at the this point. Levels in Milton Brook pool appear to be slightly higher than River Trent. Concrete structure may be a dam? Sediment deposited on concrete indicates that flow has occured over this feature (direction unknown).
Page 5 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 9 Photo Location: Eastern end of Milton Brook Pool Direction: West Survey Date: 28/08/2020 Comments: Milton Brook pool, looking upstream from concrete structure.
Photograph ID: 10 Photo Location: Eastern end of Milton Brook Pool Direction: East Survey Date: 28/08/2020 Comments: River Trent looking downstream from concrete structure.
Page 6 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 11 Photo Location: West of Anchor Church on true right bank of Milton Brook Direction: North-west Survey Date: 28/08/2020 Comments: Upstream of Milton Brook pool looking downstream, low flow.
Photograph ID: 12 Photo Location: Tributary of Milton Brook, east of Mill Plantation Direction: West Survey Date: 28/08/2020 Comments: True right bank of tributary of Milton Brook. Overgrown channel, water present, but very little flow.
Page 7 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 13 Photo Location: Confluence between Milton Brook and minor tributary, north of Mill Plantation Direction: South Survey Date: 28/08/2020 Comments: Confluence between northly flowing tributary of Milton Brook and the Milton Brook. Little flow in tributary.
Photograph ID: 14 Photo Location: Milton Brook from minor road bridge upstream of Site Direction: East Survey Date: 28/08/2020 Comments: Looking downstream from bridge. Narrower channel than at Site (2.5 - 3 m) more overgrown and incised than at Site.
Page 8 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 15 Photo Location: Milton Brook from minor road bridge upstream of Site Direction: West Survey Date: 28/08/2020 Comments: Looking upstream from bridge.
Photograph ID: 16 Photo Location: Milton Brook upstream of tributary Direction: South Survey Date: 28/08/2020 Comments: Point at which Milton Brook becomes more steeply incised.
Page 9 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 17 Photo Location: Milton Brook upstream of Milton Brook pool Direction: South Survey Date: 28/08/2020 Comments: Very little flow.
Photograph ID: 18 Photo Location: True left bank of Milton Brook adjacent to Milton Brook pool Direction: South-east Survey Date: 28/08/2020 Comments: Milton Brook pool from true left bank opposite Anchor Chruch. View is towards concrete structure adjacent to River Trent.
Page 10 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 19 Photo Location: True left bank of Milton Brook adjacent to Milton Brook pool Direction: South-west Survey Date: 28/08/2020 Comments: Milton Brook pool from true left bank opposite Anchor Chruch. View is towards where Milton Brook joins Milton Brook pool.
Photograph ID: 20 Photo Location: Road bridge north of Water Reclamation Works Direction: West Survey Date: 28/08/2020 Comments: Milton Brook looking upstream from bridge.
Page 11 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 21 Photo Location: Road bridge north of Water Reclamation Works Direction: East Survey Date: 28/08/2020 Comments: Milton Brook looking downstream from bridge.
Photograph ID: 22 Photo Location: Bridge south of Milton Direction: North Survey Date: 28/08/2020 Comments: Milton Brook looking downstream from bridge.
Page 12 of 13 Photographic Log Client: Tarmac Trading Ltd Project: 330201435 Swarkestone Quarry Site Name: Swarkestone Quarry Southern Site Location: Derbyshire, UK Extension Photograph ID: 23 Photo Location: Bridge south of Milton Direction: South Survey Date: 28/08/2020 Comments: Milton Brook looking upstream from bridge.
Page 13 of 13
Appendix H Phasing Drawings
W.L
Pz MBH01 CL=39.71 GL=39.11
G2 Silt pond 2 Legend 41.099
Silt pond 3 Other Land Under Applicants Control
40 40 Application Area
Proposed Revised Phasing 40 G1 42.187
40 40
River Trent ED & Ward Bdy 40 CR 40
SW2 40 CL=39.04 GL=38.42 Pz 40
Pz WM 4
W.L
SILT
SILT
CS
ED & Ward Bdy
Pz Def WM3 CR Def
ED & Ward Bdy
W.L SILT 0.55m Culvert River Trent
IL
FOOT BRIDGE
SILT
SILT Restored Lake 1 W.L. 36.38m 14/03/17 CD PHASE 3
ED & Ward Bdy
PHASE 4
W.L
River Trent
Tk D
CR
35
35
Restored Lake 2 W.L. 33.28m
14/03/17 35
Exposed Ballast PHASE 1 & 35
Pz WM 5 SOIL STORE 1.22m FF
Exposed Mineral
35
Quarry Base
35
PHASE 5 35
Backfilled Restoration
ED & Ward Bdy 40
35 35 Und 35
BRIDGE MON POINT 40 Pond peg peg BRIDGE MON POINT Topsoil 7294 BRIDGE MON POINTpeg 39.879 peg 40 BRIDGEW.L MON POINT peg
PROPOSED BH 02/2017 Pz
SW6 CL=39.67 BRIDGE MON POINT GL=38.91 peg 35 1.22m RH peg BRIDGE MON POINT
peg BRIDGE MON POINT
peg BRIDGE MON POINT 35
PHASE 2 FB
SP
WM1 Pz
IL Pond Path (um) Def
Und
Anchor Church CS Cave Site Name:
40 Spring
Def FOOT Cave
BRIDGE 40 40 S346 - Swarkestone IL
Path (um)
Drawing Name:
Drain Southern Extension
1.22m RH Proposed Revised Phasing and Soil 40
Path (um) Storage 40
Mill Plantation Def Drawn By: Scale @ A3:
41.1m Def G.Burdell 1:5,000
Date: Drawing Number:
46.6m 13/07/2018 S346.00053a 432800E 432900E 433000E 433100E 433200E 433300E 433400E 433500E 433600E 433700E 433800E 433900E 434000E 434100E 434200E 434300E
© Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.4 38.9 39.1 39.0 39.0 39.3 39.0 39.0 39.5 39.0 38.9 38.7 38.3 38.7 Legend 39.1 39.1 39.1 39.3 39.1 39.0 39.1 39.1 39.3 39.1 39.0 38.8 39.2 Other Land under Applicants Control PHASE 3 38.7 39.3 39.2 39.1 39.1 39.2 38.6 ED & Ward Bdy 39.0 39.1 38.9 38.8 38.9 39.3 Planning Application Boundary 39.3 39.1 38.3 39.2 39.2 39.2 38.9 38.3 39.0 38.6 39.1 39.1 38.9 Proposed Revised Phasing 39.3 38.6 PHASE 4 39.2 39.0 39.2 38.9 38.9 39.1 39.2 39.1 39.2 39.0 38.6 Topsoil Store / Placement 39.1 38.7 38.6 39.2 38.7 39.3 39.1 River Trent 39.3 39.3 39.0 CR 39.0 39.2 Topsoil Movement 38.8 38.7 1 39.2 38.7 39.2 39.0 39.1 38.8 39.3 39.0 Overburden Store / Placement 39.1 39.1 38.7 38.8 39.2 39.2 39.0 39.3 39.0 38.4 38.7 38.9 39.0 39.2 Overburden Movement 39.2 39.1 39.2 2 39.2 38.9 38.8 38.7 39.0 39.1 39.0 38.6 38.7 38.9 38.9 Mineral Excavation 39.0 38.6 38.6 39.2 39.1 35 39.3 39.1 39.0 39.0 39.0 39.0 39.3 38.3 39.3 Imported Fill 39.2 38.5 38.8 39.4 39.1 39.0 39.4 39.0 39.1 39.1 39.2 Anchor Church archaeological stand 38.9 40 34.7 off area 39.2 36.334.8 35.1 38.6 36.2 39.2 39.2 2 39.2 PHASE 1 & 39.3 35.8 38.5 38.8 39.0 Schedule of Soil Movements 39.0 35.8 32.3
38.7 39.4 32.3 SOIL STORE 40 36.1 39.2 39.3 38.6 1. PñWRSVRLO#PPIURP3KDVH Pz 38.9 36.1 WM 5 39.1 30.8 39.1 40 36.4 footprint to southern screening mound. 38.3 38.9 39.1 36.1 39.0 38.7 39.1 2. PñRYHUEXUGHQIURP3KDVHDWR 35.9 39.2 39.0 33.0 temporary store on Phase 1b. 38.8 35.7 38.9 35.7
2 35.735 38.9 38.7 38.3 39.2 39.0 39.1
38.4 35.4
39.2 38.4 35 35.4 35.6 39.0 40 39.1 39.0 37.2 39.0 38.8 38.9 38.6 Backfilled Restoration 38.6 ED & Ward Bdy 38.8 38.5 38.9 39.0 38.1 38.8 38.1 39.2 39.1 38.9 38.1 38.1 38.8 38.7 38.7 38.3 38.5
38.7 38.4 38.6 38.8 35 38.7 38.8 38.8 38.6 39.2 38.8 38.6 38.1 38.3 39.0 38.7 38.1 38.1 W.L 40 39.1 37.9 38.9 37.838.7 38.7 1 38.9 39.1 38.4 38.8 38.6 35 38.7 1 1 38.8 38.6 38.8 38.9 38.9 38.8 38.7 38.2 38.9 38.6 38.6 38.5 38.8 38.5 38.8
38.7 40 38.7 38.8 38.9 38.1 40 38.6 38.8 38.2 38.6 PHASE38.6 2 38.5 38.6 38.0 38.0 38.9 38.7 38.7
37.6 37.9 SP 36.3 38.6 38.8 38.0 40
38.4 38.3 Site Name:
Pond 38.6 38.8 Def 45
38.6 37.2 38.6 38.5 55 S346 - Swarkestone 38.3 38.0 Und 38.4 38.5 38.4
38.5 40 37.9 Drawing Name: Anchor Church 40 37.0
38.6 38.2 CS 55 Southern Extension 37.9 37.1 Cave
38.3 37.3 40 Soil Handling Scheme
39.1 50 Spring Phase 1a
36.7 Cave
38.8 39.2 39.0 45 Drawn By: Scale @ A3: IL 39.0 FOOT 37.5 37.4 38.7 BRIDGE Path (um) G.Burdell 1:2,500
38.9 39.0 50 Date: Drawing Number: 38.7 38.5 38.6 38.7 13/07/18 S346.00054a 38.7
© Crown copyright and database rights 2017 Ordnance SurveyDrain 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.4 38.9 39.1 39.0 39.0 39.3 39.0 39.0 39.5 39.0 38.9 38.7 38.3 38.7 Legend 39.1 39.1 39.1 39.3 39.1 39.0 39.1 39.1 39.3 39.1 39.0 38.8 39.2 Other Land under Applicants Control PHASE 3 38.7 39.3 39.2 39.1 39.1 39.2 38.6 ED & Ward Bdy 39.0 39.1 38.9 38.8 38.9 39.3 Planning Application Boundary 39.3 39.1 38.3 39.2 39.2 39.2 38.9 38.3 39.0 38.6 39.1 39.1 38.9 Proposed Revised Phasing 39.3 38.6 PHASE 4 39.2 39.0 39.2 38.9 38.9 39.1 39.2 39.1 39.2 39.0 38.6 Topsoil Store / Placement 39.1 38.7 38.6 39.2 38.7 39.3 39.1 River Trent 39.3 39.3 39.0 CR 39.0 39.2 Topsoil Movement 38.8 38.7 1 39.2 38.7 39.2 39.0 39.1 38.8 39.3 39.0 Overburden Store / Placement 39.1 39.1 38.7 38.8 39.2 39.2 39.0 39.3 39.0 38.4 38.7 38.9 39.0 39.2 Overburden Movement 39.2 39.1 39.2 2 39.2 38.9 38.8 38.7 39.0 39.1 39.0 38.6 38.7 38.9 38.9 Mineral Excavation 39.0 38.6 39.2 39.1 39.3 39.1 39.0 39.0 39.0 39.0 39.3 38.3 39.3 Imported Fill 39.2 38.8 39.4 39.1 39.0 39.4 39.0 39.1 39.1 39.2 Anchor Church archaeological stand 35 38.9 40 34.7 off area 39.2 36.334.8 36.235.1 39.2 39.2 39.2 1 39.3 35.8 38.8 39.0 Schedule of Soil Movements 39.0 35.8 32.3 38.7 39.4 32.3
39.3 40 36.1 39.2 1. PñRIVWRUHGDQGLQVLWXRYHUEXUGHQ Pz 38.9 36.1 WM 5 39.1 30.8 39.1 PHASE 1 & 36.4 from footprint of Phase 1b placed into Phase 38.9 1a to create a material storage pad below 39.1 36.1 39.0 SOIL STORE 38.7 39.1 ground level. 35.9 39.2 39.0 33.0 38.8 35.7
38.9 35.7 35.735 38.9 1 38.7 38.3 39.2 39.0 39.1
38.4 35.4
39.2 38.4 35 35.4 35 35.6 39.0 39.1 39.0 37.2 39.0 38.8 38.9 38.6 Backfilled Restoration 38.6 ED & Ward Bdy 38.8 38.5 38.9 39.0 38.1 38.8 38.1 39.2 39.1 38.9 38.1 38.1 38.8 38.7 38.7 38.3 38.5
38.7 38.4 38.6 38.8 35 38.7 38.8 38.8 38.6 39.2 38.8 38.6 38.1 38.3 39.0 38.7 38.1 38.1 W.L 40 39.1 37.9 38.9 37.838.7 38.7 38.9 39.1 38.4 38.8 38.6 35 38.7 38.8 38.6 38.8 38.9 38.9 38.8 38.7 38.2 38.9 38.6 38.6 38.5 38.8 38.5 38.8
38.7 40 38.7 38.8 38.9 38.1 40 38.6 38.8 38.2 38.6 PHASE38.6 2 38.5 38.6 38.0 38.0 38.9 38.7 38.7
37.6 37.9 SP 36.3 38.6 38.8 38.0 40
38.4 38.3 Site Name:
Pond 38.6 38.8 Def 45
38.6 37.2 38.6 38.5 55 S346 - Swarkestone 38.3 38.0 Und 38.4 38.5 38.4
38.5 40 37.9 Drawing Name: Anchor Church 40 37.0
38.6 38.2 CS 55 Southern Extension 37.9 37.1 Cave
38.3 37.3 40 Soil Handling Scheme
39.1 50 Spring Phase 1b
36.7 Cave
38.8 39.2 39.0 45 Drawn By: Scale @ A3: IL 39.0 FOOT 37.5 37.4 38.7 BRIDGE Path (um) G.Burdell 1:2,500
38.9 39.0 50 Date: Drawing Number: 38.7 38.5 38.6 38.7 13/07/18 S346.00055a 38.7
© Crown copyright and database rights 2017 Ordnance SurveyDrain 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.4 38.9 39.1 39.0 39.0 39.3 39.0 39.0 39.5 39.0 38.9 38.7 38.3 38.7 Legend 39.1 39.1 39.1 39.3 39.1 39.0 39.1 39.1 39.3 39.1 39.0 38.8 39.2 Other Land under Applicants Control PHASE 3 38.7 39.3 39.2 39.1 39.1 39.2 38.6 ED & Ward Bdy 39.0 39.1 38.9 38.8 38.9 39.3 Planning Application Boundary 39.3 39.1 38.3 39.2 39.2 39.2 38.9 38.3 39.0 38.6 39.1 39.1 38.9 Proposed Revised Phasing 39.3 38.6 PHASE 4 39.2 39.0 39.2 38.9 38.9 39.1 39.2 39.1 39.2 39.0 38.6 Topsoil Store / Placement 39.1 38.7 38.6 39.2 38.7 39.3 39.1 River Trent 39.3 39.3 39.0 CR 39.0 39.2 Topsoil Movement 38.8 38.7 1 39.2 38.7 39.2 39.0 39.1 38.8 39.3 39.0 Overburden Store / Placement 39.1 39.1 38.7 38.8 39.2 39.2 39.0 39.3 39.0 38.4 38.7 38.9 39.0 39.2 Overburden Movement 39.2 39.1 39.2 2 39.2 38.9 38.8 38.7 39.0 39.1 39.0 38.6 38.7 38.9 38.9 Mineral Excavation 39.0 38.6 39.2 39.1 39.3 39.1 39.0 39.0 39.0 39.0 39.3 38.3 39.3 Imported Fill 39.2 35 38.8 39.4 39.1 39.0 39.4 39.0 39.1 39.1 39.2 Anchor Church archaeological stand 38.9 40 34.7 off area 39.2 36.334.8 36.235.1 39.2 39.2 39.2 39.3 35.8 38.8 39.0 Schedule of Soil Movements 39.0 35.8 32.3 38.7 39.4 32.3
39.3 40 36.1 39.2 1. PñWRSVRLOH[FDYDWHGIURPVWRUHVRXWK Pz 38.9 36.1 WM 5 39.1 30.8 39.1 PHASE 1 & 36.4 of Phase 2, within extraction footprint and
38.9 40 placed into store below ground level on 39.1 36.1 39.0 SOIL STORE 38.7 39.1 overburden pad in Phase 1a. 35.9 39.2 33.0 38.8 39.0 35.7 2. PñWRSVRLOVWULSSHGIURP3KDVH 38.9 35.7
footprint and placed into store below ground 35.735 38.9 38.7 38.3 39.2 39.0 39.1 level on overburden pad in Phase 1a. 38.4 35.4
39.2 38.4 35.4 35 35.6 39.0 39.1 3. PñRYHUEXUGHQVWULSSHGIURPIRRWSULQW 39.0 37.2 39.0 38.8 38.9 38.6 Backfilled Restoration 38.6 ED & Ward Bdy of Phase 2 and placed into Phase 1b to 38.9 38.8 38.5 create material storage pad below ground 38.1 38.1 39.2 39.1 38.9 35 38.1 38.1 level. 38.7 38.7 38.3 38.5
38.7 38.6 35 38.7 38.8 38.8 3 38.1 38.6 39.2 38.3 39.0 38.7 38.1 W.L 40 39.1 2 37.9 38.9 37.838.7 38.9 39.1 38.4 35 38.7 38.8 38.9 38.9 38.8 38.2 38.9 38.6 38.6 38.5 1 38.5 38.8
38.8 40 38.7 38.1 40 38.6 38.6 PHASE 2 38.5 38.6 38.0 38.0
38.9 38.7
37.6 37.9 SP 36.3
38.0 40 38.6 35
38.3 Site Name:
Pond 38.6 Def 45
38.6 37.2
38.5 55 S346 - Swarkestone Und 38.3 40 38.0 38.4 38.5 37.9 Drawing Name:
Anchor Church 35 37.0
38.6 38.2 CS 55 Southern Extension 37.9 37.1 Cave
38.3 37.3 40 Soil Handling Scheme
39.1 50 Spring Phase 2 36.7 Cave
38.8 39.2 40 39.0 45 Drawn By: Scale @ A3: IL 39.0 FOOT 37.5 37.4 38.7 BRIDGE Path (um) G.Burdell 1:2,500
38.9 39.0 50 Date: Drawing Number: 38.7 38.5 38.6 38.7 13/07/18 S346.00056a 38.7
© Crown copyright and database rights 2017 Ordnance SurveyDrain 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.4 38.6 39.1 39.0 39.0 39.3 39.0 39.0 39.5 35 38.7 Legend 39.1 39.1 39.1 39.3 39.1 39.1 39.3 39.0 39.1 39.1 Other Land under Applicants Control PHASE 3 39.3 39.2 39.1 39.1 39.2 ED & Ward Bdy 39.0 39.1 38.8 38.9 39.3 Planning Application Boundary 39.3 39.1 35 39.2 39.2
39.0 39.1 39.1 38.9 Proposed Revised Phasing 39.3 38.6 39.2 PHASE 4 39.2 39.2 39.1 39.2 39.0 38.6 Topsoil Store / Placement 39.1 38.6 39.2 39.1 River Trent 39.3 39.0 CR 39.0 39.2 Topsoil Movement 38.7 1 39.2 38.7
35
39.2 35 39.1 39.3 38.8 Overburden Store / Placement 39.1 1 39.2 39.0 39.3 39.0 38.4 38.7 38.9 39.0 Overburden Movement 39.2 39.1 39.2 2 39.2 38.9 38.8 38.7 39.0 39.1 39.0 38.6 38.7 38.9 38.9 39.0 39.2 Mineral Excavation 39.1 39.1 39.0 39.0 39.0 39.0 38.3 39.3 Imported Fill 39.2 38.8
39.4 39.1
2 39.0 39.4 35 39.1 39.1 39.2 Anchor Church archaeological stand 38.9 40 34.7 off area 39.2 36.334.8 36.235.1 39.2 39.2 39.2 39.3 35.8 38.8 39.0 Schedule of Soil Movements 39.0 35.8 32.3 38.7 39.4 32.3
39.3 40 36.1 39.2 1. PñWRSVRLOVWULSSHGIURPIRRWSULQWRI Pz 38.9 36.1 WM 5 39.1 30.8 39.1 PHASE 1 & 36.4 Phase 3 and placed into storage below
38.9 40 ground level on overburden pad in Phase 1a. 39.1 36.1 39.0 SOIL STORE 38.7 39.1 35.9 39.2 33.0 38.8 39.0 2. PñRYHUEXUGHQVWULSSHGIURPIRRWSULQW 35.7 of Phase 3a and placed into storage below 38.9 35.7
ground level on overburden pad in Phase 1b. 35.735 38.9 38.7 38.3 39.2 39.0 39.1 38.4 35.4 39.2 38.4 35.4 3. PñLPSRUWHGILOOSODFHGLQWR3KDVH 35.6 39.0 39.1 excavation to pre-soil formation profile. 39.0 37.2 39.0 38.8 38.9 38.6 Backfilled Restoration 38.6 ED & Ward Bdy 38.8 38.5 38.9 38.1 38.1 39.2 39.1 38.9 35 38.1 38.1 38.7 38.7 38.3 38.5
38.7 38.6 35 38.7 38.8 38.8 38.1 38.6 39.2 38.3 39.0 38.7 38.1 W.L 40 39.1 37.9 38.9 37.838.7 38.9 39.1 38.4 35 38.7 3 38.8 38.9 38.9 38.8 38.2 38.9 38.6 38.6 38.5 38.5 38.8
38.8 40 38.7 38.1 40 38.6 38.6 PHASE 2 38.5 38.6 38.0 38.0
38.9 38.7
37.6 37.9 SP 36.3
38.0 40 38.6 35
38.3 Site Name:
Pond 38.6 Def 45
38.6 37.2
38.5 55 S346 - Swarkestone Und 38.3 40 38.0 38.4 38.5 37.9 Drawing Name: 37.0 Anchor Church
38.6 38.2 CS 55 Southern Extension 37.9 37.1 Cave
38.3 37.3 40 Soil Handling Scheme
39.1 50 Spring Phase 3a 36.7 Cave
38.8 39.2 40 39.0 45 Drawn By: Scale @ A3: IL 39.0 FOOT 37.5 37.4 38.7 BRIDGE Path (um) G.Burdell 1:2,500
38.9 39.0 50 Date: Drawing Number: 38.7 38.5 38.6 38.7 13/07/18 S346.00057a 38.7
© Crown copyright and database rights 2017 Ordnance SurveyDrain 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.1 39.0 39.3 39.0 Pz 39.1 39.0 WM 4 39.6 39.2 35 38.9 39.5 38.8 39.4 39.4 38.8 39.6 39.4 Legend 39.3 38.9 39.5 39.1 39.7 39.0 38.7 39.7 39.2 39.2 Other Land under Applicants Control 39.6 38.8 39.1 39.1 39.8 39.4 38.8 39.7 38.9 38.7 39.0 38.9 Planning Application Boundary 39.7 39.6 39.4 38.7 39.1 39.3 38.7 39.6 39.8 38.7 39.4 38.9 Proposed Revised Phasing 39.1 38.9 39.3 38.9 38.8 CR 39.8 39.4 39.1 Topsoil Store / Placement 38.5 39.8 W.L 39.9 39.1 39.2 39.1 39.0 38.7 39.3 38.8 38.8 Topsoil Movement 39.3 38.6 1 39.9 39.4 39.2 39.0 39.4 35 39.7 39.2 38.8 38.8 Overburden Store / Placement 39.2 39.1 39.0
39.4 39.1 39.0 39.0 Overburden Movement 39.3 39.0 39.0 2 39.5 1 38.7 39.1 39.1 39.1 39.3 Mineral Excavation 39.1 39.0 39.1 39.1 39.3 39.1 PHASE 3 39.3 35 Imported Fill 39.2 39.1 39.1 39.2 ED & Ward Bdy 39.0 39.1 38.8 38.9 39.3 39.3 39.1 Anchor Church archaeological stand 39.2 39.2 off area
39.0 35 39.1 39.1 38.9 39.3 38.6 39.2 PHASE 4 39.2 Schedule of Soil Movements 39.2 39.1 39.2 39.0 38.6 39.1 1. PñRYHUEXUGHQVWULSSHGIURP
35 38.6 39.2 39.1 River Trent footprint of Phase 3b and direct placed into 39.3 39.0 CR 39.0 39.2 restoration landform in Phase 3a 38.7 39.2 38.7 2. PñLPSRUWHGILOOSODFHGLQWR3KDVH 39.2 39.3 39.1 38.8 39.1 excavation to complete pre-soil formation
39.0 35 39.2 39.3 39.0 profile 38.4 38.7 38.9 39.0 39.2 39.1 38.9 38.8 39.2 39.2 38.7 39.0 39.1 39.0 38.6 38.7 38.9 38.9 39.0 39.2 39.1 39.1 39.0 39.0 39.0 39.0 38.3 39.3 39.2 38.8 39.4 39.1 39.0 39.4 39.1 39.1 39.2 38.9 40 34.7 39.2 36.334.8 36.235.1 39.2 39.2 39.2 39.3 35.8 38.8 39.0 32.332.3 39.0 35.8 32.3
38.7 39.4 32.3 40 36.1 39.2 39.3 Pz 38.9 36.1 WM 5 39.1 30.8 39.1 PHASE 1 & 36.4
38.9 39.1 40 36.1 39.0 SOIL STORE 38.7 39.1 35.9 39.2 39.0 33.0 38.8 35.7 38.9 35.7 Site Name:
Quarry Base 35.735 38.9 38.7 38.3 39.0 39.1 38.4 35.4 S346 - Swarkestone 39.2 38.4 35.4 39.0 35.6 39.1 35.6 39.0 37.2 39.0 38.8 38.9 38.6 BackfilledDrawing Restoration Name: 38.6 ED & Ward Bdy 38.8 38.5 38.9 38.1 38.1 39.2 Southern Extension 38.9 38.1 38.1 38.7 38.7 38.3 Soil Handling Scheme 38.5
38.7 38.6 35 38.7 38.8 Phase 3b 38.8 38.6 39.2 38.8 38.1 38.3 38.8 39.0 38.7 40 Drawn By: Scale @ A3: 39.1 37.9 38.1 W.L 37.8 38.9 38.9 38.4 38.9 38.7 2 39.1 G.Burdell 1:2,500 35 38.7 38.8 38.9 Date: Drawing Number: 38.9 38.8 38.2 38.6 38.6 13/07/18 S346.00058a 38.5 38.5 38.8 © Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.9 39.4 39.2 39.0 39.4 35 39.7 39.2 38.8 38.8 39.6 39.2 39.1 39.0 Legend
39.4 39.0 39.1 39.3 39.0 39.0 Other Land under Applicants Control 39.5 38.7 39.1 39.1 39.1 39.3 39.1 Planning Application Boundary 39.0 39.1 39.1 39.3 39.4
PHASE 3 39.3 35 39.2 39.1 ED & Ward Bdy Proposed Revised Phasing 39.1 39.2 39.0 39.1 38.9 39.3 39.3 39.1 39.2 39.2 Topsoil Store / Placement
39.0 35 39.1 39.1 38.9 39.3 39.2 PHASE 4 39.2 Topsoil Movement 39.2 1 39.1 39.2 39.0 38.6
39.1 35 39.2 39.1 River Trent Overburden Store / Placement 39.3 39.0 CR 39.0 39.2 38.7 39.2 38.7 Overburden Movement 39.2 39.3 39.1 38.8 2 39.1
39.0 35 39.2 39.3 39.0 Mineral Excavation 38.4 38.7 38.9 39.0 39.2 39.1 39.2 39.2 38.9 38.8 38.7 39.0 39.1 39.0 Imported Fill 38.6 38.7 38.9 38.9 39.0 39.2 39.1 39.1 Anchor Church archaeological stand 39.0 39.0 39.0 39.1 39.0 38.3 39.3 off area 39.2 38.8 39.4 39.1 39.0 39.4 39.1 Schedule of Soil Movements 39.1 39.2 38.9 40 39.2 1. PñRYHUEXUGHQVWULSSHGIURPVWRUHLQ 39.2 39.2 Phase 1 and placed as subsoil to cap infill 39.2 39.3 35.8 38.8 39.0 39.0 35.8 cell in Phase 2
38.7 39.4 40 36.1 39.2 39.3 2. PñH[FDYDWHGIURPVRLOVWRUHVRXWKRI Pz 38.9 36.1 WM 5 39.1 30.8 39.1 PHASE 1 & 36.4 Phase 2 and placed into restoration of Phase 38.9 2 to final level 39.1 36.1
39.0 SOIL STORE 38.7 39.1 40 35.9 39.2 39.0 3. PñH[FDYDWHGIURP3KDVHVWRUHDQG 38.8 35.7 38.9 35.7 placed into restoration of Phase 2 to final
level 35.735 38.9 38.7 38.3 39.2 39.0 39.1 38.4 35.4 3 39.2 38.4 35.4 39.0 39.1 39.0 37.2 39.0 38.8 38.9 38.6 38.6 ED & Ward Bdy 38.8 38.5 38.9 38.1 38.1 39.2 39.1 38.9 38.1 38.7 38.7 38.3
38.7 38.6 35 38.7 38.8 1 38.1 38.6 39.2 38.3 39.0 38.7 38.1 W.L 40 39.1 37.9 38.9 37.838.7 38.9 39.1 38.4 35 38.7 38.8 38.9 38.9 38.8 38.2 38.9 38.6 38.6 38.5 38.5 38.8
38.8 40 38.7 40 38.6 38.1 Site Name: 38.6 PHASE 2 38.5 38.6 38.0 38.0 38.9 38.7 S346 - Swarkestone 37.6 37.9 SP 36.3 38.6 38.0
38.3 Drawing Name:
Pond 38.6 Def 45 38.6 37.2 Southern Extension 38.8 38.5 38.3 38.0 Und Soil Handling Scheme 38.4 2 38.5 37.9 Completed Restoration of Phase 2 37.0 Anchor Church 38.6 38.2 CS
38.7 37.9 37.1 Cave 55 Drawn By: Scale @ A3:
38.3 37.3 40
39.1 50 G.Burdell 1:2,500 Spring
36.7 Cave
38.8 39.2 Date: Drawing Number: 39.0 45 38.4 IL 39.0 FOOT 37.5 37.4 37.5 38.7 BRIDGE 13/07/18 S346.00059a Path (um) 38.9 39.0 © Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.3 39.4 38.9 39.5 39.2 38.8 38.7 39.4 39.2 39.6 39.5 39.2 39.0 38.7 39.6 39.1 39.0 39.3 39.0 Pz 39.1 Legend 39.0 WM 4 39.6 39.2 39.435 38.9 39.5 38.8 39.4 39.4 38.8 39.6 39.4 39.3 38.9 Other Land under Applicants Control 39.5 39.1 39.7 39.0 39.2 39.7 39.2 39.1 39.6 38.8 39.1 39.8 39.4 Planning Application Boundary 38.8 39.7 38.9 38.7 39.0 38.9 39.7 39.6 38.739.4 38.7 39.1 39.3 Proposed Revised Phasing 39.6 39.8 38.7 39.4 38.9 35 39.1 Topsoil Store / Placement 35 39.3 38.9 38.9 CR 39.8 39.4 39.1 38.5 39.8 Topsoil Movement W.L 39.9 39.2 39.1 39.0 38.7 1 2 39.3 38.8 39.5 35 39.3 38.6 39.9 Overburden Store / Placement 39.4 39.2 39.0 39.4 35 35
39.7 35 38.8 38.8 39.6 39.2 39.1 39.0 2 Overburden Movement 39.4 39.1 39.3 39.0 39.0 39.5 Mineral Excavation 38.7 39.1 39.1 39.1 Imported Fill 39.3 39.0 39.4 PHASE 3 39.3
35 35 39.2 39.1 Anchor Church archaeological stand ED & Ward Bdy 39.0 38.9 39.3 off area 39.3 39.2 39.2 Schedule of Soil Movements 35 39.1 39.1 38.9 PHASE 4 1. PñWRSVRLOVWULSSHGIURP3KDVHDDQG 39.2 39.1 39.2 39.0 38.6 direct placed into restoration of Phase 3a
35 35 39.2 39.1 River Trent 35 2. PñRYHUEXUGHQH[FDYDWHGIURP3KDVH 39.0 CR 39.0
35 39.2 4a and direct placed into restoration of 38.7 Phase 3b to restoration profile 1 39.1 38.8
39.0 35 35 39.2 39.3 39.0 38.4 38.9 39.2 38.9 38.8 39.2 38.7 39.0 39.1 39.0 38.6 38.7 38.9 38.9 39.0 39.2 39.1 39.1 39.0 39.0 39.0 39.1 39.0 38.3 39.3 39.2 38.8 39.4 39.1 39.0 39.4 39.1 39.1 39.2 38.9 40 39.2
39.2 39.2 39.2 39.3 38.8 39.0 39.0 35.8
38.7 39.4 40 40 36.1 39.2 39.3 Pz 38.9 36.1 WM 5 39.1 30.8 39.1 PHASE 1 & 36.4 38.9 39.1 36.1
39.0 SOIL STORE 38.7 39.1 40 40 35.9 39.2 39.0 Site Name: 38.8 35.7
38.9 35.7 S346 - Swarkestone
35 35.735 38.9 38.7 38.3 39.2 39.0 39.1 PHASE 5 38.4 35.4 39.2 38.4 35.4Drawing Name: 39.0 39.1 39.0 37.2 Southern Extension 39.0 38.8 38.9 38.6 38.6 ED & Ward Bdy 38.8 38.5 38.9 Soil Handling Scheme 38.1 38.1 39.2 39.1 38.9 38.1 Phase 4a 38.7 38.7
38.7 38.6 Drawn By: Scale @ A3:
35 35 38.7 38.8 38.6 39.2 38.1 38.3 G.Burdell 1:2,500 39.0 38.7 38.1 W.L 40 39.1 37.9 38.9 37.838.7 38.9 39.1 38.4 35 38.7 Date: Drawing Number: 38.8 38.9 13/07/18 S346.00063 38.9 38.8 38.2 © Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 40 40.7 39.6 39.3 39.4 39.6 38.7 39.3 39.3 39.8 38.9 39.4 40 39.5 38.6 38.8 Legend 39.3 39.1 38.6 39.4 39.1 38.3 39.5 39.0 38.7 39.6 39.6 39.2 39.3 39.4 38.9 39.5 Other Land under Applicants Control 38.7 39.4 39.2 39.6 39.1 39.2 39.0 39.5 39.1 38.7 38.9 39.3 39.0 Pz 39.0 WM 4 39.6 39.2 39.2 39.4 Planning Application Boundary 38.9 39.5 39.4 39.4 38.8 39.6 39.5 39.0 39.9 39.4 39.5 39.2 39.7 Proposed Revised Phasing 39.3 39.7 39.2 39.6 38.8 39.1 39.6 39.8 39.4 Topsoil Store / Placement 39.7 38.7 39.4 39.8 39.7 39.6 38.739.4 1 39.3 39.338.3 39.6 39.8 38.7 Topsoil Movement 39.4 1
39.4 38.9 35 39.8 Overburden Store / Placement CR 39.4 39.1 38.5 ED & Ward Bdy W.L 39.9 0.55m 39.2 39.3 Overburden Movement River Trent Culvert 35 2 39.2 IL38.5 39.5 35 38.4 39.3 38.6 39.9 39.4 39.6 39.6 39.2 Mineral Excavation 39.7 39.6 39.4 35
39.7 35 38.8 39.7 39.639.6 39.6 39.2 39.6 39.4 Imported Fill 39.4 39.3 39.1 39.4 39.5 Anchor Church archaeological stand 38.7 off area 39.3 39.0
39.3
PHASE 3 35 Schedule of Soil Movements 39.2 38.8 2 35 38.9 39.0 1. PñWRSVRLOVWULSSHGIURP3KDVHEDQG 35 Cut area : 31111.503m² direct placed into restoration of Phase 3b 39.2 Cut volume : -96823.388m³ Saleable Tonnage :156,800T 35 39.1 2. PñRYHUEXUGHQH[FDYDWHGIURP3KDVH 38.7 PHASE 4 4b and direct placed into restoration of 39.1 Phase 3b to restoration profile
39.3 35 3. PñRYHUEXUGHQH[FDYDWHGIURP3KDVH 35 39.1 39.0 4b and direct placed into restoration of 38.8 CR Phase 3a to complete the Phase 3 inert fill
3 cell
35 35 39.3 39.0 38.4 37.9 38.9 38.9 38.8 39.0 38.7 39.0 39.1
38.6 38.9 35 38.9 38.9 39.0 38.7 39.0 39.2 38.9 39.1 39.1 39.0 39.0 39.4 39.1 39.0 38.3 39.2 39.2 39.4 39.1 39.5 39.0 39.4 Fill area : 12875.520m² 39.4 39.2 39.1 Fill volume : 35653.631m³ 39.3
39.4 39.2 39.2 39.3 39.3 39.2 39.0 38.8 38.7 39.5 39.2 39.3 Site Name: Pz 39.1 WM 5 39.1 PHASE 1 & S346 - Swarkestone 39.8 39.4 39.1
39.0 Fill area : 8325.081m² 38.7 40 SOIL STORE Drawing Name: 39.3 39.2 Fill volume : 21797.068m³ 39.7 38.8 39.3 Southern Extension 39.4 38.9 Soil Handling Scheme 38.9 38.7 39.2 39.0 39.3 39.3 PHASE39.1 5 38.4 Phase 4b 39.0 Drawn By: Scale @ A3: 39.2 39.0 38.8 38.9 38.6 39.1 39.0 38.6 38.5 G.Burdell 1:2,500 39.0 39.4 38.1 38.1 39.1 38.9 38.1 38.7Date: Drawing Number: 39.1 38.7 39.3 13/07/18 S346.00064 38.8 38.1 38.6 39.0 &URZQFRS\ULJKWDQGGDWDEDVHULJKWV2UGQDQFH6XUYH\7KLVLV&URZQ&RS\ULJKWDQGLVUHSURGXFHGZLWKWKHSHUPLVVLRQRI/DQG 3URSHUW\6HUYLFHVXQGHUGHOHJDWHGDXWKRULW\WKH&RQWUROOHURI+HU0DMHVW\¶V6WDWLRQHU\2IILFH&URZQ&RS\ULJKWDQGGDWDEDVHULJKW/LFHQFH1XPEHU 39.0 This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] &URZQ&RS\ULJKW'HSDUWPHQWRI,QIUDVWUXFWXUH,VOHRI0DQ 39.5 39.0 39.9 39.4 39.5 39.2 39.7 39.3 39.7 39.2 39.6 38.8 39.1 Legend 39.6 39.8 39.4
39.7 38.7 39.4 39.8 Other Land under Applicants Control 39.7 39.6 38.739.4 39.3 39.338.3 39.6 39.8 38.7 39.4 Planning Application Boundary 39.4 38.9 35
CR 39.8 39.4 Def Proposed Revised Phasing ED & Ward Bdy 38.5
W.L 39.9 39.2 39.3 0.55m Culvert River Trent 39.2 IL38.5 39.5 35 Topsoil Store / Placement 39.639.3 38.4 39.3 38.6 39.9 39.5 39.4 39.6 39.6 39.2 39.7 39.6 39.4
39.7 35 38.8 Topsoil Movement 39.7 39.639.6 39.6 39.2 1 39.6 39.4 39.4 39.3 Overburden Store / Placement 39.3 39.1 39.4 39.5 38.7 39.3 39.0 Overburden Movement 39.3 2
35 PHASE 3 39.3 35 Mineral Excavation
39.2 38.8
39.3 35 38.9 39.0 Imported Fill 39.2 39.1 39.1 38.7 Anchor Church archaeological stand PHASE 4 off area 135 35 39.1
39.3 35 Schedule of Soil Movements 39.1 38.8 2 39.2 1. PñWRSVRLOVWULSSHGIURP3KDVHDDQG direct placed into restoration of Phase 3b
39.2 with remainder into store in Phase 1 38.7 39.0 35 38.4 2. PñRYHUEXUGHQH[FDYDWHGIURP3KDVH 37.9 5a and direct placed into restoration of 38.9 38.8 38.7 39.0 39.1 Phase 4a to restoration profile 38.6 38.7 38.9 38.8 3. PñLPSRUWHGILOOWRUHVWRUHSDUWRI 39.0 Phase 3 cell to formation level 38.7 39.4 39.2 39.4 38.9 39.0 39.2
39.1 39.7 39.2 3 39.3 35 39.0 39.4 39.3 PHASE 1 & 39.8
39.5 SOIL STORE 39.5 40 39.2 39.7 1 38.9
38.9 38.9
39.3 PHASE 5 38.4 39.0 35 Site Name: 39.2 39.0 38.8 38.9 38.6 39.2 39.1 39.0 38.6 38.5 S346 - Swarkestone 39.0 39.4 38.1 38.1 39.1 38.9 38.1 Drawing Name: 39.1 39.0 38.7 39.3 Southern Extension 38.8 39.0 Soil Handling Scheme 39.0 39.0 39.0 38.8 39.1 37.9 38.1 37.838.7 Phase 5a
Drawn By: Scale @ A3: 39.0 38.9 38.9 38.9 38.9 39.2 38.8 38.2 G.Burdell 1:2,500 38.9 39.1 38.5 38.5 38.9 39.1 38.8 Date: Drawing Number: 39.0 38.8 38.1 38.9 13/07/18 S346.00065 38.8 PHASE 2 © Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.6 39.6 39.2 39.6 35 39.4 39.4 39.3 Legend 39.3 39.1 39.4 39.5 38.7 39.3 39.0 Other Land under Applicants Control 39.3 35 PHASE 3 39.3 35 39.2 38.8 Planning Application Boundary 39.3 35 38.9 39.0 Proposed Revised Phasing 39.2 39.1 39.1 38.7 PHASE 4 Topsoil Store / Placement
39.1
39.3 35 Topsoil Movement 39.1 1 39.0 38.8 39.2 Overburden Store / Placement
39.2 35 Overburden Movement 39.0 39.3 2 38.7 38.4 37.9 38.9 38.8 38.7 39.0 39.1 Mineral Excavation 38.6 38.7 38.9 38.8 Imported Fill 39.0 39.4 39.2 Anchor Church archaeological stand 39.4 39.0 off area 3 39.2 39.7 Schedule of Soil Movements 2 1 35 39.3 39.2 38.8 39.0 1. PñWRSVRLOVWULSSHGIURP3KDVHEDQG 39.3 direct placed into restoration of Phase 4a Pz WM 5 PHASE 1 & 2. PñRYHUEXUGHQH[FDYDWHGIURP3KDVH 39.8
39.5 SOIL STORE 5b and direct placed into restoration of 40 Phase 4b to restoration profile 39.2 39.7 38.8 38.9 3. PñLPSRUWHGILOOWRUHVWRUH3KDVHFHOO
38.9 38.9 to formation level 39.3 PHASE 5 38.4 39.0
39.0 38.8 38.9 38.6 39.2 38.6 38.5 39.0 38.1 38.1 38.9 38.1
39.0 38.8 39.0 38.1 39.0 38.1 38.8 35 37.9 37.838.7
39.0 38.9 38.8 38.2 39.1 38.5 38.5 39.1 38.8 38.1 PHASE 2 39.2 38.7 37.6 Site Name: 39.0 Pz WM1 38.9 38.6 38.0 38.3 IL S346 - Swarkestone 37.4 39.0 Def 39.1 38.9 38.6 37.2 38.9 38.5 Drawing Name: 38.9 38.3 38.0 39.5 39.2 38.4 35 37.9 Southern Extension 39.2 38.8 CS 37.0 39.4 39.6 38.8 38.6 38.2 Soil Handling Scheme 38.7 37.9 Cave
39.2 37.1
38.3 Phase 5b 37.3 40
39.3 39.1 50 Spring Drawn By: Scale @ A3: 39.2
39.3 36.7 Cave
38.8 39.2 39.0 45 G.Burdell 1:2,500 39.1 38.4 IL 39.0 FOOT 39.2 37.5 37.5 37.4 39.1 38.7 BRIDGE 39.2 Path (um) Date: Drawing Number:
38.9 39.1 39.0 38.9 39.0 39.1 50 13/07/18 S346.00066 38.5 38.7 38.738.5 39.0 38.2 38.6 © Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.6 39.6 39.2 39.6 35 39.4 39.4 39.3 Legend 39.3 39.1 39.4 39.5 38.7 39.3 39.0 Other Land under Applicants Control 39.3 35 PHASE 3 39.3 35 39.2 38.8 Planning Application Boundary 39.3 35 38.9 39.0 Proposed Revised Phasing 39.2 39.1 39.1 38.7 PHASE 4 Topsoil Store / Placement
39.1
39.3 35 Topsoil Movement 39.1 1 39.3 39.0 38.8 39.2 Overburden Store / Placement 39.2 39.2 Overburden Movement 39.0 39.3 2 38.7 1 38.4 37.9 39.2 38.9 38.8 38.7 39.0 39.1 Mineral Excavation 38.6 35 38.9 38.9 38.7 38.8 39.0 Imported Fill 35 39.0 39.4 39.2 Anchor Church archaeological stand 39.4 39.5 39.0 off area 39.2
3 39.7 39.5 Schedule of Soil Movements
35 39.3 39.2 35 3 39.0 38.8 33.9 Cut area : 67542.401m² 1. PñVWRUHGWRSVRLOH[FDYDWHGIURP Cut volume : -304036.036m³ 39.5 39.3 39.3 Phase 1 and placed into temporary store in 2 Pz Phase 3 39.3 PHASE 1 & WM 5 39.8 39.4 Fill area : 95260.404m² 35 39.5 2. PñRIVWRUHGRYHUEXUGHQH[FDYDWHG Fill volume : 355250.924m³ SOIL STORE from Phase 1 and placed into restoration of 39.3 39.2 39.2 39.7 39.3 33.9 38.8 Phase 5b to formation level 39.4 38.9 3. PñRIEDVDOPDWHULDOWREHH[FDYDWHG 38.9 39.2 38.9
39.3 39.3 PHASE39.1 5 38.4 from base of lakes to complete restoration
39.0 35 of Phase 5b to formation level
39.2 39.0 35 38.8 38.9 38.6 39.2 38.6 38.5 4. PñVWRUHGWRSVRLOH[FDYDWHGIURP 39.0 38.1 38.1 Phase 1 and placed into restoration of 37.5 38.9 38.1 35 Phase 5b 39.0 4 39.3 38.8 39.0 38.1 39.0 38.8 37.9 38.1 37.838.7
39.0 38.9
35 38.8 38.2 39.1 38.5 38.5 39.1 38.8 38.8 38.1 PHASE 2 39.2 38.9 38.7 37.6 Site Name: 39.0 Pz WM1 38.9 38.6 38.0 38.3 IL S346 - Swarkestone 37.4 3 39.0 Def 39.1 38.9 38.6 38.6 37.2 38.8 38.9 38.5 Drawing Name: 38.9 38.3 38.0 39.5 38.4 39.2 38.5 37.9 Southern Extension 39.2 38.8 CS 37.0 39.4 39.6 38.8 38.6 38.2 Soil Handling Scheme 38.7 37.9 Cave
39.2 37.1
38.3 Phase 5b Restoration 37.3 40
39.3 39.1 50 Spring Drawn By: Scale @ A3: 39.2
39.3 36.7 Cave
38.8 39.2 39.0 45 G.Burdell 1:2,500 39.1 38.4 IL 39.0 FOOT 39.2 37.5 37.5 37.4 39.1 38.7 BRIDGE 39.2 Path (um) Date: Drawing Number:
38.9 39.1 39.0 38.9 39.0 39.1 50 13/07/18 S346.00067 38.5 38.7 38.738.5 39.0 38.2 38.6 &URZQFRS\ULJKWDQGGDWDEDVHULJKWV2UGQDQFH6XUYH\7KLVLV&URZQ&RS\ULJKWDQGLVUHSURGXFHGZLWKWKHSHUPLVVLRQRI/DQG 3URSHUW\6HUYLFHVXQGHUGHOHJDWHGDXWKRULW\WKH&RQWUROOHURI+HU0DMHVW\¶V6WDWLRQHU\2IILFH&URZQ&RS\ULJKWDQGGDWDEDVHULJKW/LFHQFH1XPEHU This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] &URZQ&RS\ULJKW'HSDUWPHQWRI,QIUDVWUXFWXUH,VOHRI0DQ 39.4
39.7 35 38.8 38.8 39.6 39.2 39.1 39.0 35 Legend 39.4 39.1 39.0 39.3 39.0 39.0 39.5 Other Land under Applicants Control 38.7 39.1 39.1 39.1 39.0 39.3 39.1 Planning Application Boundary PHASE 3 39.3 35 39.2 39.1 ED & Ward Bdy
35 39.0 38.8 38.9 39.3 Proposed Revised Phasing
39.2 39.2
39.1 39.1 38.9 Topsoil Store / Placement PHASE 4 38.6 39.2 39.1 39.2 39.0 Topsoil Movement 38.6 1 35 38.6 39.1 River Trent 39.3 39.0 CR 39.0 39.2 Overburden Store / Placement 38.7 38.7 39.2 39.1 38.8 2 Overburden Movement 39.2 39.0 39.3 39.0 38.4 38.9 Mineral Excavation 39.2 38.9 38.8 39.2 38.7 39.0 39.1 39.0 38.6 38.7 38.9 38.9 Imported Fill 39.2 39.0 39.1 39.0 38.3 39.3 39.0 Anchor Church archaeological stand 39.2 38.8 off area 39.4 39.1 39.0 39.2 39.1 38.9 40 34.7 Schedule of Soil Movements 39.2 36.334.8 36.235.1 39.2 39.3 35.8 1. PñLPSRUWHGILOOWRUHVWRUH3KDVHWR 39.0 38.8 39.0 33.9 35.8 32.3 formation level 38.7 39.4 32.3
39.3 40 36.1 Pz 38.9 36.1 WM 5 39.1 30.8 PHASE 1 & 36.4 35 38.9 36.1 SOIL STORE 38.7 39.1 35.9 39.2 39.0 33.0 33.9 38.8 35.7 38.9 35.7
38.7 38.3 35.735 38.9 39.1 38.4 35.4 3 39.2 38.4 35.4 35.6 39.1 35.6 39.0 37.2 38.8 38.9 38.6 Backfilled Restoration 38.6 ED & Ward Bdy 38.8 38.5 38.9 38.1 38.1 39.2 38.9 38.1 38.1 38.7 38.7 38.3 38.5
38.6 35 38.7 38.8 38.8 38.1 38.6 39.2 38.3 39.0 38.7 38.1 W.L 40 37.9 38.9 37.838.7 38.9 39.1 38.4 35 38.7 38.8 38.9
35 38.8 38.2 38.6 38.6 38.5 38.5 38.8
38.8 40 38.7 38.1 40 38.6 38.6 PHASE 2 38.5 Site Name: 38.6 38.0 38.0
38.9 38.7
37.6 37.9 SP 36.3 40 S346 - Swarkestone 38.6 38.0 38.3
Pond 38.6 Def 45 Drawing Name:
38.6 37.2 38.5 55 38.3 38.0 Und Southern Extension 38.4 38.5 37.9 Soil Handling Scheme 37.0 Anchor Church
38.6 38.2 CS 55 Phase 1 Imported Fill 37.9 37.1 Cave
38.3 37.3 40 Drawn By: Scale @ A3:
39.1 50 Spring G.Burdell 1:2,500
36.7 Cave
38.8 39.2 39.0 45 IL 39.0 FOOT Date: Drawing Number: 37.5 37.4 38.7 BRIDGE Path (um) 38.9 39.0 13/07/18 S346.00068
© Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority 50 the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man 39.4
39.7 35 38.8 38.8 39.6 39.2 39.1 39.0 35 Legend 39.4 39.1 39.0 39.3 39.0 39.0 39.5 Other Land under Applicants Control 38.7 39.1 39.1 39.1 39.0 39.3 39.1 Planning Application Boundary PHASE 3 39.3 35 39.2 39.1 ED & Ward Bdy
35 39.0 38.8 38.9 39.3 Proposed Revised Phasing
39.2 39.2
39.1 39.1 38.9 Topsoil Store / Placement PHASE 4 38.6 39.2 39.1 39.2 39.0 Topsoil Movement 38.6 1 35 38.6 39.1 River Trent 39.3 39.0 CR 39.0 39.2 Overburden Store / Placement 38.7 38.7 39.2 39.1 38.8 2 Overburden Movement 39.2 39.0 1 39.3 39.0 38.4 38.9 Mineral Excavation 39.2 38.9 38.8 39.2 38.7 39.0 39.1 39.0 38.6 38.7 38.9 38.9 Imported Fill 39.2 39.0 39.1 39.0 38.3 39.3 39.0 Anchor Church archaeological stand 39.2 38.8 off area 39.4 39.1 39.0 39.2 39.1 38.9 40 34.7 Schedule of Soil Movements 39.2 36.334.8 36.235.1 39.2 39.3 35.8 1. PñWRSVRLOH[FDYDWHGIURPVWRUHWR 39.0 38.8 39.0 33.9 35.8 32.3 restore Phase 1, Haul Road and Bridge 38.7 39.4 32.3
39.3 40 36.1 Abutment to final restoration profile Pz 38.9 36.1 WM 5 39.1 30.8 PHASE 1 & 36.4 35 38.9 36.1 SOIL STORE 38.7 39.1 35.9 39.2 39.0 33.0 33.9 38.8 35.7 38.9 35.7
38.7 38.3 35.735 38.9 39.1 35.4 39.2 38.4 35.4 35.6 39.1 35.6 39.0 37.2 38.8 38.9 38.6 Backfilled Restoration 38.6 ED & Ward Bdy 38.8 38.5 38.9 38.1 39.2 38.9 38.1 38.1 38.7 38.7 38.3 38.5
38.6 35 38.7 38.8 38.8 38.6 39.2 38.3 39.0 38.7 38.1 W.L 40 37.9 38.9 37.838.7 38.9 39.1 38.4 35 38.7 38.8 38.9
35 38.8 38.2 38.5 38.5 38.8 38.8 38.1 38.6 38.6 PHASE 2 38.5 Site Name: 38.6 38.0 38.0
38.9 38.7
37.6 37.9 SP 36.3 40 S346 - Swarkestone 38.6 38.0 38.3
Pond 38.6 Def 45 Drawing Name:
38.6 37.2 38.5 55 38.3 38.0 Und Southern Extension 38.4 38.5 37.9 Soil Handling Scheme 37.0 Anchor Church
38.6 38.2 CS 55 Phase 1 + Access + Bridge Restoration 37.9 37.1 Cave
38.3 37.3 40 Drawn By: Scale @ A3:
39.1 50 Spring G.Burdell 1:2,500
36.7 Cave
38.8 39.2 39.0 45 IL 39.0 FOOT Date: Drawing Number: 37.5 37.4 38.7 BRIDGE Path (um) 38.9 39.0 13/07/18 S346.00069
© Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority 50 the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man W.L 07/04/2010 MBH01 Pz CL=39.71 20/5mm stock 40 GL=39.11 G2
41.099 Silt pond 2 Legend 40 Silt pond 3 Other Land under Applicants Control
Planning Application Boundary 40
Proposed Revised Phasing G1 42.187
Restored area 40
River Trent ED & Ward Bdy 40 CR 40 SW2 Topsoil Placement CL=39.04 GL=38.42 40
40
Pz WM 4 40
W.L
SILT
SILT
Lagoon 6 W.L. 35.77m W.L 14/03/17 35 WM3 CR Def
ED & Ward Bdy SILT W.L 0.55m SILT Culvert River Trent
IL 35 35 W.L. 35.73m 15/03/17 35
SILT MBHSW4 Cover Level = 38.47 Ground Level = 38.01
35 SILT Restored Lake 1 PHASE 3 W.L. 36.38m 35 14/03/17
ED & Ward Bdy
35
40
PHASE 4 40 W.L Restored Lake 3 Current Restoration Area
35 W.L. 35.60m
River Trent 14/03/17
CR
35 35
35
W.L
Restored Lake 2 W.L. 33.28m 14/03/17
40 35 Exposed Ballast
PHASE 1 & 40 Restored Lake 4 Pz WM 5 W.L W.L. 36.50m SOIL STORE 18/04/11
35
Exposed Mineral
Quarry Base 35 35 PHASE 5
Backfilled Restoration ED & Ward Bdy 40
35 35
35 Topsoil 7294 40 39.879 W.L Exposed Ballast
35 SW6Pz CL=39.67
GL=38.91 35
PHASE 2 FB
SP PzWM1 40
CR River Trent
IL Pond Path (um)
45
Def 50 ED & Ward Bdy 55
Und
Anchor Church
CS
Cave 55
40 50 Spring Site Name:
Cave IL FOOT 45 BRIDGE
Path (um) S346 - Swarkestone 50
Drawing Name: Drain
60 Southern Extension 40 55
Path (um)
60 45 Soil Handling Scheme
Mill Plantation 40 Completed Restoration
55 Drawn By: Scale @ A3:
G.Burdell 1:2,500 45
65
46.6m
Date: Drawing Number:
50 60
45 13/07/18 S346.00070 55
© Crown copyright and database rights 2017 Ordnance Survey 0100031673 / This is Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority the Controller of Her Majesty’s Stationery Office, © Crown Copyright and database right 2017 Licence Number 100,220-339663 / This drawing is copyrighted - Call: 01634 248260 / Email: [email protected] © Crown Copyright. Department of Infrastructure, Isle of Man
Appendix I Impact Assessment Methodology
Hydrogeological Impact Assessment Methodology Page 1
1 Introduction
1.1 Background and Objectives Stantec UK Limited (Stantec) has developed an impact assessment methodology for determining the degree of impact of quarrying activities on neighbouring receptors. The objective of this technical note is to outline a methodology for assigning a degree of impact to potential effects on neighbouring receptors that have been identified in a Hydrogeological Impact Assessment (HIA). This methodology will also determine whether an effect is significant and if any mitigation measures are required. This methodology is to be applied across all HIAs undertaken by Stantec to ensure a consistent approach.
Hydrogeological Impact Assessment Methodology Page 2
2 Impact Assessment Methodology
2.1 Overview A source-pathway-receptor methodology has been applied to the impact assessment. In the context of the impact assessment for the Site these elements may be defined as: Source: Activities associated with mineral extraction, including dewatering, water quality effects, and the quarry discharge; Pathways: The groundwater flow pathways or hydrogeological linkages identified in the conceptual model; Receptors: Abstractions, designated sites, rivers, aquifers and other key water features. The risk assessment process can be subdivided into a number of steps as described below. 2.2 Identification of Receptors The identification of a risk requires the presence of all three elements in the source-pathway- receptor chain. The source for this assessment is, by definition, the proposed extraction activities within the Application Area. The first task in the risk assessment process is therefore to identify any relevant receptors. As a minimum, the following should be considered: • Neighbouring groundwater and surface water abstractions including both licenced and private supplies; • Underlying aquifers; • Neighbouring surface water features (including waterbodies and watercourses); and • Neighbouring water-dependent designated sites. 2.3 Identification of Pathways Having established all potential impact sources and receptors, it is necessary to identify potential pathways between the quarry (the source) and each receptor (i.e. determine all source-pathway- receptor linkages). The assessment process must establish whether the quarrying activities could potentially affect any of the identified receptors. This is achieved by considering each potential source-pathway-receptor chain in the context of the conceptual model. Where there is believed to be no significant groundwater pathway between the quarry and a given receptor, this receptor can be removed from the impact assessment process. Where a pathway linkage is unclear, possibly due to uncertainty in the conceptual model, the pathway is assumed to exist at this stage of the assessment process. This risk assessment approach serves to filter the list of potential receptors, and only those that are considered vulnerable (i.e. within the radius of influence or with a linking pathway) are considered in the impact assessment. 2.4 Quantification of Effects The presence of a hydrogeological pathway between the quarry and receptor does not indicate that an effect will occur at the receptor. The next step in the impact assessment process must therefore be to address whether or not there is likely to be an effect at each potential receptor resulting from quarry development and restoration. This may require quantification, for example of the degree of groundwater level change at a receptor. As a minimum a qualitative assessment will be provided. 2.5 Assessment of Level of Impact and Significance The demonstration and quantification of a potential effect does not necessarily indicate that the impact will be significant. The significance of potential effects is assessed individually for each receptor. There are two aspects to the assessment of significance.
Hydrogeological Impact Assessment Methodology Page 3
• The size of the potential effect should be compared with a criterion that indicates the smallest significant impact. If the size of effect is smaller than the criterion then the effect does not represent a significant impact. In some cases it may be more appropriate to determine this on a qualitative basis. • If the size of effect is potentially greater than the relevant criterion, it is necessary to assess the significance that the potential impact represents. The significance of an impact is dependent on the magnitude of the effect and the importance of the receptor. 2.5.1 Importance of receptors Receptors have been assigned to one of three status categories; low, medium or high. The methodology for assigning to a particular category is based on the following criteria: • Low Status: Unlikely to be of significant ecological or societal value (e.g. small ephemeral pond); surface water and groundwater abstractions that supply or impact on an individual or small number of people (e.g. farm or home supply), although this may be locally significant; • Medium Status: Of local ecological or societal value or supporting medium or high status ecological features (e.g. springs); surface water or groundwater abstractions that supply or impact on a local community (e.g. local water supply or water supply to a local amenity); • High Status: Nationally and internationally designated ecological sites (e.g. SACs) or features supporting these (e.g. springs); surface or groundwater abstractions that are utilised for public water supply. Also includes aquifers that are defined as Source Protection Zones (SPZs) or similar. 2.5.2 Degree of effect The degree of effect at each receptor is to be evaluated separately on the basis of the conceptual model. The degree of effect is assessed without the application of mitigation measures. To assist in this evaluation, the following conservative guidelines have been adopted for screening purposes. • For licensed groundwater abstraction boreholes a predicted groundwater level reduction in excess of 0.5 m is taken to indicate a medium to high degree of effect, with the exact category dependent on the magnitude of the predicted change and the available drawdown. • For shallow wells and ponds, a predicted reduction in level in excess of 0.25 m is taken to indicate a medium to high degree of effect, with the exact category dependent on the magnitude of the predicted change and the available drawdown or degree to which levels fluctuate. • For spring flows or baseflow-dependent watercourses, a derogation of flow in excess of 10% of mean low flows is taken to indicate a medium to high degree of effect. The exact category is dependent on the magnitude of the predicted change and the degree to which flows are groundwater dependent. • Potential water quality effects will be greatest in the shallowest aquifer. Deeper aquifers will be less likely to be affected, and the level of effect will also be correspondingly lower, given the increased capacity for dilution and attenuation with depth. Effects on surface water will be dependent on the distance between the quarry and the relevant surface water feature. Where an effect falls below the threshold criteria described above, it is taken to be negligible. Where it exceeds the critical thresholds, the degree of effect (low, medium, or high) is assessed, based on the particular conditions at that receptor. This assessment should relate the predicted effect to measured baseline conditions. For example, for groundwater levels, the effect should be compared to seasonal variability, and for stream flows, the change should be compared to measured baseflows.
Hydrogeological Impact Assessment Methodology Page 4
2.5.3 Degree of impact Table 2.1 shows how the receptors value and degree of effect are brought together to determine the degree of impact. A moderate or major degree of impact is considered to be significant. When a degree of impact is significant, mitigation measures are required. Table 2.1 Impact assessment matrix
Receptor Value
Low Medium High
Negligible Negligible Negligible Negligible
Low Minor Minor Moderate
Medium Minor Moderate Major
Degree of of Effect Degree High Moderate Major Major
Appendix J Environmental Management System (Discharge)
TARMAC Swarkestone Quarry
Summary of Environmental Management System
Tarmac Trading Limited has in place an Environmental Management System (EMS) that is accredited to the international ISO 14001 standard. The site will be operated under the overarching EMS which covers a number of Tarmac sites across the UK. The specific EMS procedures to support the operation of this type of regulated facility under an Environmental Permit in England have been developed with reference to relevant guidance produced by the EA. The EMS follows the Plan Do Check Act (PDCA) cycle described in EA guidance 1 as illustrated below:
A copy of the EMS will be held at the site and will be available for inspection once the site is operational following the issue of the Environmental Permit for the site. A summary of the key elements of the EMS is provided below.
Company Environmental Policy The EMS is underpinned by the company environmental policy which outlines how it expects operations to be managed and its environmental performance to be communicated to its stakeholders and to enable the effective deployment of the related principles across its operational sites.
1England and Wales - How to comply with your environmental permit. Scotland – Northern Ireland -
Swarkestone Quarry Discharge 1 February 2019 TAL_SWA_Feb19-Appendix K - TAL_SWA_FEB19 - EMS Summary.docx
TARMAC Swarkestone Quarry
Tarmac is committed to preventing its activities polluting the environment and the continual improvement of its environmental performance. Through a dedicated environmental and sustainability panel business objectives are developed. Environmental performance measures are also monitored by these forums and targets set to enable performance levels to be continuously improved.
Tarmac aims to minimise the environmental impact of its activities by: • regularly monitoring the effective deployment of the EMS through a series of graded audits • prior to undertaking work on behalf of Tarmac, all sub-contract personnel will be made aware of site-specific environmental concerns and vulnerabilities through the site induction process • reducing the amount of waste materials generated by their activities; attempting to recycle and reuse such materials wherever practical and where this is not achievable, disposing of such waste in a responsible manner • seeking to use raw materials in an efficient manner, replacing them with substitute recycled raw materials where practicable and safe to do so • promoting the efficient and reduced use of water, fuels and energy, thereby reducing carbon emissions and mitigating the potential for climate change • purchasing, utilising and storing materials in a manner which poses minimal risk to both individuals and the environment, as far as is practical. • Monitoring of consented discharges
The EMS will be deployed effectively through the company’s management organisation. Managers and employees will be assigned environmental responsibilities and will be expected to play a full and active part in managing the environmental aspects of the activities for which they have responsibility. Operational management will be supported by a team of competent advisors and performance will be monitored by environmental auditors.
Company Environmental Standards A core suite of aspects applied to activities controlled by LT is audited to monitor compliance to the relevant environmental standards. All operational sites will be the subject of an Environmental Assessment and will maintain an up to date Site Environmental Management Plan (SEMP).
Swarkestone Quarry Discharge 2 February 2019 TAL_SWA_Feb19-Appendix K - TAL_SWA_FEB19 - EMS Summary.docx
TARMAC Swarkestone Quarry
Permit for Discharge specific aspects The following aspects have been identified having regard to the protection of the environment, compliance with any environmental permits and the highest standards of operation. These are in addition to the core company aspects described above.
The following aspects relevant to the discharge at Swarkestone will be managed in accordance with any relevant company policies and procedures, site authorisations and statutory obligations.
1. Monitoring of site environmental impacts and aspects 2. Pollution of surface waters affected by the discharge 3. Identifying potentially polluting activities and substances 4. Visual monitoring and reporting of incidents to ensure prevention of spillages 5. Monthly monitoring of consented discharges to controlled waters 6. Remedial action and continuous improvement for environmental performance 7. Surface water from areas producing pollution runoff
Environmental Impact Review The Site Manager shall be responsible for the Environmental Impact Review of the operations, in normal and abnormal conditions, to identify the key environmental aspects of its activities. Through this process the aspects of the operations, that may have a significant impact on the environment, can be identified, prioritised for corrective action and improvement together with an evaluation of legal compliance at the site. The site manager/ supervisor, together with representatives from the site/area and the compliance and environmental permitting personnel shall identify and prioritise the potential significant environmental impacts of the operations. The potential impacts most relevant to the discharge at Swarkestone have been identified to be:
1. Pollution of surface waters from contaminants in the discharged waters 2. Bio-diversity and Ecological Management Visual Impact 3. Fuel & Chemical Storage 4. Groundwater monitoring Management 5. Legislation and Documentation 6. Surface water management 7. Groundwater management
Swarkestone Quarry Discharge 3 February 2019 TAL_SWA_Feb19-Appendix K - TAL_SWA_FEB19 - EMS Summary.docx
TARMAC Swarkestone Quarry
Site Environmental Management Plan The Environmental Impact Review provides the prioritised potential significant environmental impacts for inclusion in the SEMP. The plan shall identify objective(s)and target(s) for each significant impact and ensure that they are relevant to achieving the overall objectives of the Business Unit. The objective (the improvement action) shall be specific to the corrective/preventative action. The target for the improvement shall have a date for completion, the person responsible for the action and verification of the completion by the authorising person. The SEMP shall be reviewed regularly and shall be consistent with legislation, environmental procedures and the Tarmac environmental policy. The SEMP may be updated at anytime in order to implement changes/corrective actions identified by any management mechanism.
Each site shall undertake all necessary monitoring and measuring of operational activities, as required by legislation, such as environmental permits and planning consents. All such monitoring and measuring information shall be documented and recorded on a monitoring schedule.
Environmental occurrence/non-conformance reporting system The environmental occurrence/non-conformance reporting system has been developed in order to document, investigate and mitigate significant impacts on the environment and for initiating and implementing corrective and preventative action. All incidents shall be reported, whether or not an external person/agency is involved. Any system non-conformances are also to be documented for corrective and preventative action.
Inspection regime and audit The area manager shall establish and monitor an annual inspection programme ensuring that all sites under their control are audited by an ‘independent’ manager who has no responsibility for the site. The auditor shall complete an associated audit summary sheet, agreeing and summarising as necessary a list of recommended actions in consultation with the host manager. The audit summary sheet shall then be included in the SEMP and priorities and timescales assigned. A date for a follow-up visit to ensure close out of any actions has been completed will be set up by the visiting auditor and the manager/ supervisor. The follow up visit must also be used to ensure previous actions implemented are continuing to work and are effective.
Swarkestone Quarry Discharge 4 February 2019 TAL_SWA_Feb19-Appendix K - TAL_SWA_FEB19 - EMS Summary.docx
TARMAC Swarkestone Quarry
In addition, the Company’s own internal monitoring compliance team will carry out monthly monitoring across a range of determinands relevant to the discharge and watercourse to ensure that the compliance levels and consent are being complied with.
Management Review There will be a tiered review of the EMS at top management level, local area level and at site management level including the procedures, environmental policy and the objectives and targets for the company in order to support its ongoing effectiveness, suitability, adequacy and stability.
Staff Training All staff will be suitably trained through various mechanisms in line with company procedures and training schedules. Site staff are made fully aware of permit and other compliance requirements in line with legislative requirements to ensure legal compliance. Internal audits and inspection by the Compliance team and internal auditors will ensure that training has been completed and actions are in line with this by staff.
Toolbox talks, regular training updates and ensuring new staff to the company or activities are fully trained on these and how this can affect compliance and legislative requirements, further ensure that compliance is achieved. The company is committed to ensuring relevant site and compliance staff are fully aware of new legislation and guidance and that this is implemented while ensuring business unit continuity.
Maintenance Plant and machinery are subject to maintenance schedules in line with manufacturer recommendations and requirements. Site staff report problems with equipment and this is then assessed and auctioned as necessary and as soon as possible.
It is in the company’s interests to ensure all plant is operation and maintained which ensures both continuity of business and also greater environmental protection.
Swarkestone Quarry Discharge 5 February 2019 TAL_SWA_Feb19-Appendix K - TAL_SWA_FEB19 - EMS Summary.docx