Question 73: Policy MP13 'Areas of Search for silica sand extraction'

There are specific points I wish to make regarding two sites in the consultation document but I would also wish to make a point regarding the consultation process:-
1. The process does not really wok. Using just the prescribed media not longer is fit for purpose. Only specific people will use the Statutory Notices pages of the selected media, not people in general. I was fortunate in that my local parish council clerk had me on an e-mail list otherwise I would not have known of this at all. Out West - well away from the cauldron of Norwich we have minimal contact with NCC, even less regarding any planning consultation process. You have to be actively looking for information especially through a broadcast medium such as the internet and clearly this has not worked other than through the very narrow base of local government contacts.
The consultation system needs a complete overhaul to become meaningful.

With regard to two sites in the consultation document I have some comments to make. One is site SIL2 west of Marham and the other AOS Site E North of Shouldham and the Main Policy 13.

Regarding SIL2 I would anticipate RAF Marham wold be concerned should the proposed extraction method (dredging) result in a rise in birds strike risk especially as each new aeroplane will cost more than the probable profit arising from the extraction of sand from this site.
Also SIL2 overlaps with the AOS Site E to some degree and it is not acceptable that SIL2 is also and AOS Site E because it provides doubt on the validity of SIL2 and really confirms AOS Site E is not a search area but a really long term proposal being put on hold until SIL2 is worked out.

Regarding the drawn area of AOS Site E the summary of the evaluation leaves aside any planning factor which does not support the proposal or can be summarily ignored in that evaluation. I am sure many others will raise a number of concerns but I will summerise mine with a few factors.
1. Shouldham Warren is a widely used area for recreation - perhaps 50,000 visits each year. The closure of the land for recreational purposes (including people from outside the Kings Lynn catchment area) should be taken into account.
2. The area contains colony of adders (however many people hate them, especially when they kill pet animals) and maybe other species and their right to exist should be acknowledged in the evaluation.
3. I suspect that the AOS does not exclude all residential properties within that area. Working from a OS map is suspect as it has not been updated in detail for twenty years or more. Being a rural area not enough units of change in any density have resulted in any detailed updates being made to the map base for 15 years or more.
4. The forestation is at risk for any scale of mineral extraction. The life of a tree before felling will be towards 30 years. Mineral extraction will put maybe fourty year break on this - and then only if the area was to return to being a managed forest - and this would seriously dent the carbon capture affect of trees in this area.
5. There is no benefit of SIL2 becoming a recreation area (water based) after extraction finishes because it is different to the value of Shouldham Warren (foot, bicycle and horse based). There are other worked out quarries in the area providing water based recreational facilities but no alternative to Shouldhan Warren exists in this area.
6. As AOS-E is adjacent to (and overlaps) SIL02. in these proposals then it would make sense to extend the proposed pipeline from SIL02 to AOS-E as a requirement of any extraction taking place there (should that come to pass).
7. SIL01, AOS-F, AOS-I, AOS-J and MN40 also mention silica sand. As SIL02 would be the largest extraction proposal the promoters of this site would clearly wish to concentrate their resources at one place than spread across a collection of smaller sites although some are already being worked. It should be made clear if the other sites are alternatives or additional sites to be added to a very long term list of proposals and the consequent time scale involved - after all this plan is supposed to be until 2036 not 2066.

With regards to MP13 I find the statements contained and in comparison with the indicative maps shown in the document most confusing. The maps clearly show a protection zone around residential premises but the policy does not include any comment on the evaluation of proposals against its effects on people. It concentrates on flora, forna and ground conditions with absolutely no reference to the destruction of dwellings or any activity of people as though people do not exist. One should either confirm the content of MP13 by showing and dwelling or any structure actually affected by the proposals by not excluding them, or preferably adding to MP13 reference to the effect the proposals would have being judged against any affect on individuals or people in general. (It is not clear if another MP does include that as a factor in the evaluation). Either way this part of the consultation seems to be both a cake and the eating of it!
If residential premises can be excluded for sites then recreational areas should also be excluded, meaning AOS-E should fall as a potential extraction site.

 the loss of landscape and amenity would be obtrusive and detrimental to the visual amenity of the area as a whole.
 desirability of the adjacent properties in question, or the locality, may affect the potential property values, particularly in the stage up to the permission being granted when the uncertainty of whether the sand extraction is to proceed.
 the quarry sites will be used as landfill, which is a concern due to the inappropriate current regulations of the Landfill Directive.
 assurance must be given that each quarry site is reinstated prior to moving onto the next site throughout the development.
 that a corridor of trees is supplied in Spring Lane, the main adjacent landholding to the proposed development.
 that the current Public Right of Way (PRoW), which provides the present link from the village to the river and Shouldham Warren, is retained as it would be detrimental to the village as a whole if this was lost.

Agree.

Question 1: 'Minerals and Waste Local Plan Vision'
The Vision should refer the provision of minerals supply to be in accordance with and as required by National Policy
Mineral Safeguarding should refer to paragraph 182 of the revised National Planning Policy Framework such that the applicant for adjacent development ('agent of change') should be required to provide suitable mitigation to take account of existing and allocated development.

Question 3: 'Minerals Strategic Objectives'
The following amendments are proposed (in CAPITALS):
MSO2. To provide a steady and adequate supply of industrial minerals by identifying adequate mineral extraction sites/areas within Norfolk sufficient to meet the forecast need AND STOCKS OF PERMITTED RESERVES OF SILICA SAND OF AT LEAST 10 YEARS PRODUCTION FOR INDIVIDUAL SILICA SITES AND AT LEAST 15 YEARS FOR SILICA SAND SITES WHERE SIGNIFICANT NEW CAPITAL IS REQUIRED and safeguarding existing infrastructure. (To accord with NPPF 2018 paragraph 208 footnote 68)

MSO4. To safeguard silica sand, carstone, and sand and gravel resources for future use. Avoiding unnecessary sterilisation by encouraging the extraction of minerals prior to other development taking place where practicable and using minerals in construction on the land from which they are extracted. THE 'AGENT OF CHANGE' PRINCIPLE WILL BE APPLIED TO ANY NEW PROPOSED DEVELOPMENT IMPACTING ON SAFEGUARDED AREAS OR SITES.

MSO5. To promote the sustainable transport of minerals by rail, road and water, including the safeguarding of railheads and wharfs for the import of minerals to and export of minerals from Norfolk. THE 'AGENT OF CHANGE' PRINCIPLE WILL BE APPLIED TO ANY NEW PROPOSED DEVELOPMENT IMPACTING ON SAFEGUARDED SITES.

MSO8. To ensure that mineral development addresses and minimises the impacts it will have on climate change by: REDUCING greenhouse gas emissions during the winning, working and handling of minerals, SEEK TO PROVIDE sustainable patterns of minerals transportation, and WHERE POSSIBLE integrating features consistent with climate change mitigation and adaption into the design of restoration and aftercare proposals.
MSO9. To positively contribute to the natural, built and historic environments with high quality, progressive and expedient restoration to achieve a beneficial after use. The after use will protect and enhance the environment, including landscape and biodiversity improvements.

Comment: the restoration of mineral sites can deliver landforms to facilitate different after uses of land, however mineral planning has no role in the after use of itself.

MSO10. WHERE PRACTICAL to increase public access to the countryside and enhance biodiversity through enhancing the amenity value of land when restoring extraction sites.

Question 4: Policy MW1 'Presumption in favour of sustainable development'
This policy is supported including the recognition in the preamble that the three pillars of sustainability have equal standing.
 
Question 5: Policy MW2 'Development Management Criteria'
Where appropriate AND PRACTICAL, enhancement of the environment would be sought, including, but not exclusively, the enhancement of the Public Rights of Way Network, creation of recreation opportunities and enhancement of the natural, historic and built environment and surrounding landscapes.

Question 6: Policy MW3 'transport'
WHERE PRACTICAL AND REALISTIC measures to reduce car travel to the site by workers and visitors and encourage walking, cycling and use of public transport.

Question 7: Policy MW4 'climate change mitigation and adaption'
b) be planned so as to REDUCE carbon dioxide and methane emissions ON A SITE UNIT BASIS
c) endeavour to SOURCE a minimum of 10 per cent of the energy used on site from decentralised and renewable or low-carbon sources.
d) WHERE PRACTICAL AND RELEVANT to demonstrate the use of sustainable drainage systems, water harvesting from impermeable surfaces and layouts that accommodate waste water recycling
e) WHERE RELEVANT TO take account of potential changes in climate including rising sea levels and coastal erosion
g) incorporate proposals for sustainable travel, including travel plans where PRACTICAL AND appropriate.

Question 9: Policy MW6 'agricultural soils'
This policy should be applied flexibly since minerals can clearly only be worked where they exist and for silica sand for glass making the potential land is further restricted by virtue of the scarcity of this mineral.

Question 27: Policy MP1 'Provision for minerals extraction'
No as it does not accord with National Policy and is unsound. Suggested wording for silica sand:
STOCKS OF PERMITTED RESERVES for silica sand will be maintained at 10 years' PRODUCTION FOR EACH SILICA SAND SITE. Sufficient sites and/or areas to deliver at least 12,380,000 tonnes of silica sand will be allocated TO THE END OF THE PLAN PERIOD WITH FURTHER PROVISION TO ENSURE A STOCK OF PERMITTED RESERVES BEYOND THE PLAN PERIOD.
In the table on page 63 in the preamble to Policy MP1 is should read:
B Silica sand permitted reserve at 31/12/2016

Question 28: Policy MP2 'Spatial strategy for minerals extraction'
"Within the resource areas identified on the key diagram, specific sites or preferred areas for silica sand extraction should be located where they are able to access the existing processing plant and railhead at Leziate via conveyor, pipeline or off-public highway routes". This contradicts wording in proposed Policy MP13 and the Single Issue Silica Sand Review of the Minerals Site Specific Allocations DPD (adopted in December 2017) which discussed highway routes from Areas of Search to the Leziate processing site.
There should be no buffers applied to the so-called planning constraints. The acceptability or not of approaching such constraints will be a matter for the EIA.
Agricultural land grades 1 and 2 should not be excluded. This contradicts Policy MW6 which should in all circumstances be adopted and applied flexibly.

Question 33: Policy MP7 'Progressive working, restoration and after-use'
After use is noted several times in the policy but after use is not a matter for mineral planning.
There is no mention of restoration to agricultural land
Any important geology or geomorphology on the site will be retained in sample exposures for study purposes ONLY WHERE PRACTICAL AND SAFE TO DO SO

Question 36: Policy MP10 'Safeguarding of port and rail facilities, and facilities for the manufacture of concrete, asphalt and recycled materials'
The 'agent of change' principle will be applied to all development in proximity to safeguarded sites.


Question 37: Policy M11 'Mineral Safeguarding Areas and Mineral Consultation Areas'
The 'agent of change' principle will be applied to all development in proximity to safeguarded sites.

Question 67: Proposed Site MIN 40 'land east of Grandcourt Farm, East Winch'
The site is allocated as a specific site for silica sand extraction in the Adopted in the Core Strategy and Minerals and Waste Development Management Policies Development Plan Document 2010-2026 (adopted September 2011) and identified in the Minerals Site Specific Allocations Development Plan Document (DPD) (adopted October 2013, amendments adopted December 2017).

The Initial conclusion on the MIN40 site in the May 2018 consultation document notes that "the site is considered suitable for allocation for silica sand extraction, subject to any planning application addressing the requirements below: [requirements are detailed in the Initial Consultation document]

Sibelco has submitted a planning application for an extension of Grandcourt Quarry into the MIN40 site and has the following comments on some of the "requirements" noted in the Initial Consultation document.

* Opportunities during working for any geodiversity assets to be studied, and if compatible with the landscape and ecology objectives, an open face to be retained as part of the restoration scheme

Sibelco will examine working faces during operation and can take photographic records of any features of note observed, if any. Following extraction being completed in each phase, Carstone material will be used to cover and stabilise the Leziate Sand faces to create safe long term slopes as described in Appendix 9 to the submitted Planning Statement (Geotechnical Design and Assessment).
Opportunities could be afforded during working to geology students to inspect and study open faces and overburden areas under supervision where consistent with health and safety of the site. Bearing in mind the proposed open water restoration with peripheral broadleaved woodland and shrub/grassland it is not been possible to incorporate any open face in the restoration, which would in addition be difficult to maintain safely due to the nature of the geology, which makes it vulnerable to erosion and a potential safety hazard.

* A restoration scheme incorporating heathland or a heathland/arable mix with blocks of woodland which provides biodiversity gains and does not result in permanent dewatering of a perched water table in the carstone aquifer if one is identified in a hydrogeological risk assessment
*
The lodged planning application proposes a combination of restored areas of open water (51.4%), native broadleaved woodland (8.8%), hedgerows (increase of 920 linear metres), scrub & species rich grassland (20.7%), agricultural land (15.2%) and public rights of way for the restored site with biodiversity gains. The hydrogeological assessment of the site showed there were no significant impacts on the perched water table in the Carstone as a result of working and restoration.

The proposed restoration is primarily to water since the excavation will be several metres below the natural groundwater level in order to release the proven mineral. It will not be possible to deliver a dry restoration using on-site overburden materials. For the same reason it will not be possible to deliver a requirement of MIN40, which is to incorporate heathland into the restoration. The proposed site for the former Site Specific Allocations DPD was considerably reduced in area at examination which removed land which may have been suitable for heathland restoration. The much reduced currently allocated area reflects very closely the area of excavation. Once the restored margin areas are accounted for, the remaining area of land restoration is at the lake margins on mostly slopes to the water's edge, which is not suitable for heathland. Significant heathland restoration has been delivered by the Applicant on former mineral sites to the north of Middleton Stop Drain.

The proposed restoration scheme is shown on the submitted restoration drawings. This scheme has been designed with due regard for the precise setting of the site; the local geology; local topography; position of the natural groundwater table and the volumes of different overburden materials identified within the site by drilling programmes.

Policy Min 40 states that a restoration scheme for the site should seek to incorporate heathland or a heathland/arable mix with blocks of woodland which provides biodiversity gains. Given the volumes of sand and overburden materials present and the position of the local groundwater table this is not possible in its entirety in this case.

Sibelco has restored former mineral extraction area locally to heathland (for example Wicken North and Wicken South), however, these areas have very different physical parameters which allowed such restoration to be designed and implemented. Wicken North and Wicken South are located on lower ground and had relatively low sand to overburden ratios which allowed significant areas to be restored to generally level ground above the local groundwater level. Grandcourt Quarry extension is located on higher ground, has a different ratio of sand to overburden (higher ratio) and a different relationship of ground levels to groundwater level. Final restored slopes must be stable in the long term and at the same time utilise only suitable overburden materials from the site (there are no proposals to import any materials from elsewhere to effect the restoration). Tailings materials from the mineral washing (silts and lays) are unsuitable for restoration in this area due to high water content of the tailings and distance from the processing plant. The company has sufficient permitted tailings space elsewhere on the wider site.

The restoration scheme proposed for the extension area in the lodged planning application does include agricultural land, woodland blocks and scrub with a lake of some 9.2 hectares representing the natural groundwater level. The proposed restoration of the MIN40 site reflects the permitted restoration of the existing Grandcourt Quarry site and has been designed to complement and fit in with this overall restoration which is dictated by the geotechnical assessment and local geological circumstances.

The overburden volumes in the Grandcourt extension area and volumes required to restore the site as per the submitted proposed restoration scheme are as follows:

Overburden materials identified by drilling programmes:
Soils 78,000m3
Carstone 1,300,000 m3
Clay 420,000 m3
Material required to create the proposed landform in the MIN40 site:
Material required to create 1:4 slopes on final sand and overburden faces 1,020,000 m3
Material required to create embankment for bridleway and farm access 736,000 m3
Given the material balance for the site as shown above and with no proposal to import any material for restoration or other purposes, the final landform and restoration scheme proposed is the only one which can reasonably be implemented. The MIN40 site is not suitable for heathland restoration.

The submitted Environmental Statement contains a hydrogeological risk assessment which identifies potential impacts on groundwater including the perched water table in the Carstone. The proposed eastern extension will have little or no additional significant impacts to the north, south and west. The area over which drawdown in groundwater levels will occur will increase to the east, but no water sensitive receptors have been identified within the predicted area of influence in this direction. It is proposed that the potential additional impacts to surface and groundwater are monitored and controlled via a minor revision of the existing Water Management Plan.
There is electricity infrastructure within MIN40 site
Subject to the above comments Sibelco supports the inclusion of MIN40 as a Specific Site.

Question 68: Proposed Site SIL 01 'land at Mintlyn South, Bawsey'
Sibelco supports the inclusion of SIL01 as a Specific Site

Question 69: Area of Search AOS E 'land to the north of Shouldham'
Area of Search E
Sibelco supports the inclusion of Area E as an Area of Search for silica sand

Question 73: Policy MP13: 'Areas of Search for silica sand extraction'
Sibelco supports Policy MP13 on Areas of Search for silica sand, subject to our response to Question 9

Question 74: Proposed Site SIL 02 'land at Shouldham and Marham'
Sibelco supports the inclusion of SIL02 as an allocated site and would propose that given the promoters knowledge of the local geology, the site should be allocated as a Specific Site. Further silica sand provision will be required at the end of the Plan period
The National Planning Practice Guidance says:
a) designating Specific Sites - where viable mineral resources are known to exist, landowners are supportive of minerals development and the proposal is likely to be acceptable in planning terms ....

This definition applies to SIL02

Thank you for the opportunity to comment on the Initial Consultation for the Norfolk Minerals and Waste Local Plan. We have commented on the Policies and the Allocated Sites.
Policy MW2: Development Management Criteria
The Water Framework Directive (WFD) is an important piece of legislation when reviewing planning applications. Applicants will need to demonstrate their activities will not lead to deterioration, taking account of WFD objectives and River Basin Management Plans.
Biodiversity and geological conservation
Much of this section is focused on the terrestrial environment. We would like to see the potential impacts of waste extraction on aquatic ecology addressed in the document. Aquatic ecology assessments should be carried out to determine the potential impacts on fish, invertebrates and aquatic habitat. The need for WFD assessments should be reiterated here.
Developments are likely to encounter a number of protected species issues in Norfolk which they will need to address. Species records can be obtained from the Norfolk Biodiversity Information System (NBIS). This data can be used to inform desk based studies and future surveys.

Land and Soil Resources
We welcome this section but recommend that the last sentence is expanded to address soil erosion. Our proposed wording would be: The overall integrity of land and soil should be protected, with measures taken to prevent/control soil erosion where applicable, during working and long-term use of the site once it is fully restored

Flooding
We are pleased to see that flood risk is a consideration in the policy, however it is limited to pluvial and fluvial. Tidal, groundwater and reservoir flooding should be considered. Therefore we recommend removing the words 'Pluvial and fluvial' so that all sources of flood risk are considered.
Minerals and Waste sites have strong potential to offer betterment through reducing the runoff rates, thereby reducing the flow to adjoining watercourses. Each application should explore the potential for betterment in the site specific Flood Risk Assessment (FRA), particularly when it comes to restoration. Ideally the requirement for Minerals and Waste sites to provide flood risk betterment where possible should be identified in Policy MW2 and may be most appropriate in the last paragraph.
The first paragraph on page 30 discusses the need to ensure flood risk is not increased. The NPPF states that all plans should use opportunities offered by new development to reduce the causes and impacts of flooding. The PPG, paragraph 050, states that authorities and developers should seek opportunities to reduce the overall level of flood risk in the area and beyond. There is great opportunity for minerals and waste development to provide flood risk betterment both locally and downstream, particularly during the restoration phase. It would be beneficial to see something in the plan that encourages opportunities for betterment.
In order to comply with the Planning Practice Guidance, we would require any planning application to consider the following issues if a site is at risk of flooding; this includes a number of the sites that have been allocated within this Plan:
 An FRA would be needed to demonstrate the risk of flooding to those working onsite and to ensure that flood risk is not increased.
 Climate change should be considered to determine the risk to the site in the future. In areas that benefit from defences, residual risk will need to be considered and what may happen in an overtopping or breach scenario. We would expect bunds and materials to be stored outside of the floodplain, otherwise we would expect flow paths to be considered to ensure there is no increase in flood risk and bunds to have gaps in for flood water.
 We would recommend that a flood plan is prepared for the development, which should include an appropriate method of flood warning and evacuation, to ensure the safe use of the development in extreme circumstances.
 Some of the allocated sites are extensions to existing sites. In this instance, appropriate measures should already be in place to manage flood risk. The application should however consider the impacts of extending the works and any site specific issues.

Environmental Permit for Flood Risk Activities
An environmental permit for flood risk activities may be required for work in, under, over or within 8 metres (m) from a fluvial main river and from any flood defence structure or culvert or 16m from a tidal main river and from any flood defence structure or culvert.

Application forms and further information can be found at: https://www.gov.uk/guidance/flood-risk-activities-environmental-permits. Anyone carrying out these activities without a permit where one is required, is breaking the law.
The Local Plan should consider this when allocating development sites adjacent to a 'main river'. A permit may be required and restrictions imposed upon the work as a result in order to ensure the development does not have a detrimental impact upon the environment and flood risk.
Water Quality
This section addresses water as a resource, but does not expand upon pollution in relation to environmentally sensitive locations. We suggest the following wording could be used:
As well as flood risk, the effect of minerals and waste management development on all water bodies should be addressed in accordance with the WFD. This includes the quality and quantity of surface water and groundwater. A further consideration could be the protection of sources of drinking water, identified via designated Source Protection Zones. Development proposals must therefore prevent the pollution of surface water and groundwater by fuels, chemicals and other contaminants (e.g. sediments), and include pollution prevention planning for incidents such as fires (and the risks posed by contaminated fire-fighting water), collisions and vandalism. Minerals development must also ensure there will be no significant change to groundwater or surface water levels, including careful monitoring of any 'dewatering' operations (whereby water is pumped out of a pit to allow dry working below the water table) to ensure no adverse impacts on surrounding water availability and/or the water environment.
Point b) should be expanded to recognise the sensitive areas in Norfolk such as the Broads and SSSIs. Suggested wording would be: The quality of surface waterbodies and groundwater, with particular regard to preventing the deterioration of their existing status, and the quantity of water for resource purposes within water bodies and in environmentally sensitive areas that may be affected by water quantity and quality;

Environmental Permit for Dewatering
Dewatering for quarrying or mineral extraction purposes now falls under water abstraction licencing legislation. Any developer of a quarry or mineral extraction should contact the Environment Agency to discuss obtaining such a licence. The Environment Agency would normally expect dewatering water to be returned to the local aquifer within a short time period
Policy MW4: Climate Change Mitigation and Adaption
Part F may be better suited in the flooding, water resources and water quality section on page 30. However, it is important that climate change is considered when assessing flood risk. Therefore this section could specify that: 'site specific FRAs should include an assessment of the impact of climate change on flood risk using appropriate climate change allowances'.
Policy MW5: The Brecks Protected Habitats and Species
We support this policy's statement to protect the important flora and fauna within The Brecks. The allocated sites are mostly located away from sites supporting aquatic ecological features in Norfolk such as The Broads and North Norfolk Coast, but if any come forward in future then a further policy to address these features would assist in avoiding inappropriate development at these locations.

Policy MP5: Core River Valleys
Whilst recognising that mineral deposits have to be worked where they occur, new developments should be restricted to higher ground avoiding river valleys where possible to reduce the risk of mineral extraction impinging on groundwater.
Various authorities are restoring sections of river valley throughout Norfolk in order to enhance the ecology and condition status of water bodies. Developments which impact the success of existing restoration schemes will hinder the water bodies' potential to reach good status. This is particularly relevant to proposed sites MIN 55, MIN 202 and MIN 58. The location of these sites is close to an ongoing project to restore the River Wensum SSSI/ SAC/ SPA. If the developments are accepted there would be scope to work in partnership with the EA to create some enhancements which could include the use of natural flood management measures such as woody debris, planted berms, floodplain reconnection and tree planting.

Policy MP2: Spatial strategy for mineral extraction
We agree that each designated site and sensitive receptors will have different interest features and sensitivities. Therefore, proposed developments will need to be assessed to determine their potential impacts on the features for which each site is designated. Appropriate mitigation should be applied to reduce potential impacts. These may include planting buffer zones of trees around sites to act as dust suppression, and limit noise and light pollution from the development.
Policies MP7: Progressive Working, Restoration and After-use and MP8: Aftercare
The aggregate industry has the potential to create opportunities for delivering the UK BAP targets for conserving habitats and species. Topsoil at sites post-extraction can be reinstated and used to create wildflower meadows rich in pollinating insects.
Where possible green corridors should be strategically placed to link wildlife sites, creating a larger area for biodiversity which is consistent with the Biodiversity 2020 strategy to advocate the creation bigger and less fragmented areas for wildlife.

Native crayfish Ark sites
Using mineral extraction sites can provide highly suitable, inexpensive Ark sites for the rapidly declining white clawed crayfish. Norfolk contains some of the few remaining white claw crayfish populations but these are under threat from disease and non-native crayfish. Extraction operations can create permanently filled water bodies, isolated from existing rivers containing invasive crayfish and the virulent crayfish plague. We would encourage the creation of Ark sites to be a component of aftercare, thereby the industry will be contributing to regional and national BAP targets, adding greater value to restoration strategy. There would be opportunities for working in partnership with the EA, Norfolk Rivers Trust and Buglife to establish Arks at sites post extraction.

Policy WP15: Whitlingham Water Recycling Centre
Water Recycling Centres have the potential to cause significant impact on the water environment, and inhibit the ability for water bodies to achieve 'good' status under the WFD. We therefore welcome Whitlingham Water Recycling Centre having a long term policy to ensure that further capacity is provided in line with further growth.
Allocated Sites
In this section we have provided bespoke guidance relating to ecology, groundwater protection and flood risk at certain sites. MIN 38, Land at Waveney Forest, Fritton is of considerable concern.

MIN 38, Land at Waveney Forest, Fritton
We have significant concerns regarding the allocation of this site from both a Groundwater Protection and an Ecology perspective.
Groundwater Protection at Waveney Forest
Protection of groundwater quality and potable drinking supplies are of paramount concern to us.
It is highly likely that the quarry operators at this site would need to excavate below the water table, which is very shallow at this location. As such, significant dewatering would most likely result in groundwater level drawdown outside the boundary of the quarry and would affect/derogate nearby abstractions. We are aware of some local, licenced and unlicensed, abstractions which would most likely be affected.
For additional reference there is a public water supply (Northumbrian Water/Essex & Suffolk) abstraction from Fritton Lake. This is technically classed as a surface water abstraction because it is taken from the lake, but the lake is virtually a groundwater fed body, and so it is in hydraulic continuity with the same geological strata that the quarry wishes to excavate, as are the surrounding marshes. Unfortunately, our system will not assign a source protection zone to the abstraction because it only recognises the abstraction as being from surface water. While it is probably unlikely that the Lake would be impacted to the extent that it affects the public water supply abstraction, there remains the concern of contamination from air borne and groundwater pollutant resulting from quarry activities. This would otherwise have been more rigorously assessed should a Source Protection Zone have been assigned to this abstraction.
As of January this year dewatering is now a licensable activity as a New Authorisation. If we were consulted over this application, we would take a hard line, requesting detailed risk assessments and environmental impact assessments, including implications for impact to features assessed under the Water Framework Directive. We would expect detailed calculations of impact to Fritton Marshes, flow to the Waveney, Fritton Warren South County Wildlife Site, Fritton Lake, effects to local abstractors (including an updated search for domestic sources) and the Public Water Supply.
Ecology at Waveney Forest
This site has been raised in previous plans and we remain concerned that the size of the removal of aggregate could cause negative impacts on visual amenity, character and wildlife.
Numerous protected species in the area linked to fringing wetland habitat such as water vole, otter, Norfolk hawker, grass snake. Others linked to heathland and mire habitat to be lost include adder, lizard, slow-worm, nightjar and turtle dove. The narrow-mouthed whorl snail has also been recorded in habitats fringing the Waveney.
Impacts on the quality of water from run-off and draining down of surrounding wetland habitats (marshes, Fritton Lake) are likely to be severe. There is potential to compromise projects and eel passage improvements on nearby Blocka Run.
Several County Wildlife Sites (mainly heathland) will be lost to development, and it is unclear how impacts will be offset and even whether it is possible.

Allocated Sites with Ecological Constraints
The following section outlines the constraints at certain sites, which will need to be considered at the application stage to ensure that ecology is not adversely affected.
MIN 48 The proximity of the site to Swannington Upgate Common. Potential impacts on features of interest and Swannington beck, a chalk stream with associated priority habitat and species.
MIN 96 Close proximity to Spixworth Beck, concerns over impacts on the associated habitat including coastal and floodplain grazing marsh.
MIN 45 Potential impacts to ancient woodland, and county wildlife sites, particularly the hydrology and ecology of Syderstone Common SSSI which supports a population of protected natterjack toad.
MIN 202 The proximity to ancient woodland and county wildlife sites could cause habitat fragmentation.
MIN 115 Potential loss of deciduous woodland priority habitat.
MIN 25 Potential impacts on Priority Habitats - deciduous woodland and coastal and floodplain grazing marsh.
MIN 71 Proximity to Holt Lows SSSI and potential impact on groundwater dependant habitat.

Allocated Sites with Groundwater Protection Constraints

In this section we have provided guidance on the pollution prevention measures that we would expect to be considered at these allocated sites.

MIN 200, Land west of Cuckoo Lane Carbrooke
It is unclear whether de-watering is proposed. There is mention of the proximity to Scoulten Mere Wetland SSSI. If no de-watering is to take place then there would be no impacts, however if de-watering is to take place, by inference, there may be impacts. We welcome the recommendation for a hydrogeological impact assessment to determine if de-watering is acceptable, and if not then the mineral may have to be worked wet. With this proviso we agree with the conclusions that the site is likely to be suitable for complete sands and gravel extraction. The need for hydrogeological impact assessment should be added to the list of the requirements that need addressing in the initial conclusion.
We are aware of the proposed restoration of this site. The site lies within an SPZ 2 so it is recognised that sufficient protection of groundwater is required at the site. Groundwater has been identified at the base of excavation, and de-watering is a potential issue.As such any waste management development must employ pollution prevention measures where possible. The aquifers on site must be adequately protected from potential contamination, and any waste management development will require robust risk assessment. When this site is progressed, we will be heavily involved to ensure environmental protection.

MIN 35, land at Heath Road Quidenham
The site is located approximately 2km from Swangey Fen (wetland SSSI) and also close to Banham Fens and Quidenham Meres SSSI. This is proposed to be worked dry so, we have no de-watering concerns. The site is considered suitable provided there is no working below the water table.

MIN 102, land at North Farm Snetterton
The site is adjacent to Swangey Fen SSSI and therefore we do not consider it suitable for mineral extraction. A stronger argument is required than that presented in the recommendations, which state that 'this is a significant constraint to the development of the site and therefore the site is considered less deliverable than other sites that have been proposed for extraction'. If it is taken forward as a site it would have to be worked wet because we would not grant a de-watering licence, and we would request with strict planning conditions.
As the excavated void is to be utilised for waste disposal or recovery, a robust risk assessment will be required. We would expect waste disposal here to meet all best practice techniques. Due to the sensitivity of groundwater (within an SPZ2) it will not be possible to accept reduced liner thickness or design at this site. The aquifers on site must be adequately protected from potential contamination, and if this site is progressed the Environment Agency will be heavily involved to ensure environmental protection.

MIN 201, land at Swangey Farm Snetterton
The site is adjacent to Swangey Fen SSSI and therefore we do not consider it suitable for mineral extraction. If it is taken forward as a site it would have to be worked wet because we would not grant a de-watering licence, and we would request with strict planning conditions.

MIN 6, land off East Winch Road Middleton
We agree that a hydrogeological impact/risk assessment is needed for working beneath the water table. It may be necessary to apply constraints such as a limiting or precluding de-watering at the site, which will be dependent on the results of the hydrogeological risk assessment. The assessment should include impacts on protected rights (water features and other lawful users) and the risk of pulling in contaminated groundwater due to the proximity of black borough end Landfill. The issue of contaminated groundwater being mobilised from Blackborough End landfill is not addressed in the current assessment report.

MIN 204, land off Lodge Road Feltwell
It is not clear whether de-watering is proposed. Planning requirements in the initial conclusion should include the need for 'an appropriate hydrogeological risk assessment'.

MIN 40, land east of Grandcourt Farm East Winch
We agree with the need for an appropriate hydrogeological risk assessment as set out in the initial conclusions. This should also consider the proposed restoration scheme as well as the de-watering phase. Restoration and de-watering phases should consider thepossibility of a perched aquifer in the Carstone Formation. We would not accept any passive de-watering of this aquifer.

SIL 01: This is potentially a high risk site with a County Wildlife site situated within it. However we agree with the recommendation to allocate

Further Guidance
Sites MIN 40, MIN 19, MIN 205, MIN 201, MIN 35, MIN 51, MIN 13, and MIN 32 propose low level restoration using inert material to restore the site. Whilst these sites do not lie within an SPZ we would expect groundwater to be sufficiently protected. This would involve a robust waste acceptance criteria. We would expect diligence is maintained to ensure non-inert wastes are not accepted at this site. If deposition will be sub-water table, as at sites MIN 200 and MIN 102, the applicant should refer to the EA technical guidance note 30_18 'Compliance with the Landfill Directive when depositing inert waste into water'.

At sites MIN 12, MIN 08 and MIN 45, the the excavated void is to be utilised for waste disposal or recovery, so a robust risk assessment will be required. We would expect waste disposal here to meet all best practice techniques. Due to the sensitivity of groundwater (within an SPZ3) it will not be possible to accept reduced liner thickness or design at this site. The aquifers on site must be adequately protected from potential contamination, and if this site is progressed we will be heavily involved to ensure environmental protection.

At sites MIN 6, MIN 204, MIN 23 and MIN 116 it is not stipulated if these sites are to be utilised for waste disposal or recovery. If either of the options are progressed a robust risk assessment will be required. We would expect waste disposal here to meet all best practice techniques. Whilst the site does not lie within an SPZ we would expect groundwater to be sufficiently protected.

Allocated Sites with Flood Risk Constraints

MIN 102, Land at North Farm, south of the River Thet, Snetterton
As stated on p133, the majority of site MIN 102 is situated within flood zone 1, however there is a small percentage of the site within flood zones 2 and 3 which align the River Thet. There is also a small percentage shown at risk of surface water as shown on the risk of flooding from surface water flood map.
Although the site is currently considered to be unsuitable for allocation, should this change a FRA would be needed to demonstrate the risk of flooding to those working onsite and to ensure that flood risk is not increased. The impact of climate change on flood risk will also need to be considered.

MIN 76, land at West Field, Watlington Road
The plan incorrectly states that MIN 76 is situated in Flood Zone 1. The North West corner of the site is situated in Flood Zones 2 and 3, as shown on our Flood Map for Planning. This should be updated to ensure flood risk is addressed and mitigation measures considered.

Policy MP13: Areas of Search for silica sand extraction
Policy MP13 does not address the need for an FRA, although the requirement to follow the sequential approach to flood risk has been listed. An FRA is vital if the planning authority is to make informed planning decisions. In the absence of an FRA, the flood risk resulting from the proposed development are unknown.

Planning Advice Service
We trust the advice we have given is useful and will contribute to the soundness of the emerging local plan. We will continue to provide further advice and comments at future statutory stages of the emerging local plan. Should you wish us to review any draft policies and text as well as technical documents and background studies, such as strategic flood risk assessments or water cycle studies which may be used to support your plan, we can offer this as part of our planning advice service.
This service will ensure that your evidence documents fully support the local plan and ensure that environmental issues are addressed in an effective and timely way contributing to sustainable development. As part of the planning advice service we will provide you with a single point of contact who will co-ordinate access to our technical specialists, who will be able to provide bespoke advice and help you prepare any supporting documents. We will be pleased to provide you with an estimated cost for any work we would undertake as part of the service.