A303 Sparkford to Ilchester Dualling PINS Reference: TR010036
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A303 Sparkford to Ilchester Dualling PINS Reference: TR010036 Joint Council Local Impact Report 23rd January 2019 Submitted by South Somerset District Council and Somerset County Council 1 Table of Contents 1. Introduction .................................................................................................................... 3 2. Joint Council Local Impact Report: Executive Summary ................................................ 4 3. Scheme Description ....................................................................................................... 7 4. Policy Framework .......................................................................................................... 9 5. Format of Local Impact Report (LIR) ............................................................................ 10 6. Assessment of Impacts ................................................................................................ 11 7. Concluding Statement .................................................................................................. 56 Appendices Appendix 1: Cultural Heritage Topic Paper Appendix 2: Landscape Topic Paper Appendix 3: Biodiversity Topic Paper Appendix 4: Applications received to modify the Definitive map and statement Appendix 5 (a): Modification Order Appendix 5 (b): Modification Order Appendix 5 (c): Modification Order 2 1. Introduction 1.1 This submission comprises the Local Impact Report for Somerset County Council (SCC) and South Somerset District Council (SSDC) – the “Joint Councils “to the Planning Inspectorate regarding Highways England’s (HE) application for a Development Consent Order (DCO) in relation to the dualling of the A303 between Sparkford and Ilchester. 1.2 Somerset County Council and South Somerset District Council (the Joint Councils) are “interested parties” under the Planning Act 2008 in relation to the project, are Local Planning Authorities and SCC is the Local Highway Authority in relation to the proposed works. Additionally, the Joint Councils have a number of other statutory responsibilities in relation to housing, public rights of way, flood management and environmental health, and discretionary powers in relation to well-being and enforcement. 1.3 The Joint Councils’ approach to this project is to seek delivery of the standards of assessment and mitigation of impact that are consistent with policy, following good practice and are consistent with their approach to any development project that is proposed within their respective areas. The Joint Councils are also mindful that post any consent, they may be responsible for Discharging Requirements and will also become the Enforcement authorities for the scheme in some cases. 1.4 The Joint Councils have engaged with Highways England throughout the project development and have fully responded to previous consultations with comments and concerns. Unfortunately, it was not possible to secure a Planning Performance Agreement to assist the process. Highways England has made positive efforts to address our comments in some areas, but a number of substantive issues still remain 3 2. Joint Council Local Impact Report: Executive Summary 2.1 This Executive Summary sets out the key issues of concern to South Somerset District Council and Somerset County Council. 2.2 Traffic and Transport Detailed design - The scheme submitted is still only at preliminary design stage, and whilst advanced, is not finalised. There are points of detail that SCC have raised concerns/ sought clarification upon. Such items can only be closed out/ suitably addressed once the scheme has progressed to the detailed design stage. It is noted that detailed designs are not yet programmed to be developed until appointment of a further contractor. SCC will require provision within the wording of the DCO for the Local Highway Authority to approve the remaining detailed design elements (where it relates to the Local Highway Network) and agreement for the fees associated with this. Impact on West Camel and Sparkford villages - The submitted traffic modelling shows an increase in traffic on Sparkford High Street and West Camel. SCC believes that traffic calming measures and other associated mitigation measures should be explored and considered through the DCO process and a mechanism established to secure this mitigation. Pressures on the local and strategic road network around Podimore Roundabout - The traffic modelling report includes assessments of the proposed junctions, but the assessment has shown potential issues at Podimore Roundabout in the summer peak scenario. This junction is included for improvement as part of the A303 corridor however there is currently no certainty about the nature and timing of this improvement. It is therefore suggested that an interim improvement to increase the capacity at the junction is developed. De-trunking - Further discussion is required in relation to de-trunking to agree the appropriate legal mechanism to include matters associated with process and maintenance due to the potential issue of creating future maintenance liabilities for the County Council. Details for the management of traffic during construction - Arrangements for managing traffic during construction need to be developed prior to commencement on site and a mechanism agreed to enable any unintended or unassessed impacts to be addressed. The traffic management plan has no consideration of off-road highway network so, along with the Construction Environment Management Plan should be amended to fully incorporate the management of off-road traffic. Maintenance - Where the site boundary incorporates the local highway network, confirmation of roles and responsibilities relating to winter maintenance, hedge cutting, visibility splay maintenance and gully cleansing will need to be submitted and approved by the County Council. 2.3 Public Rights of Way Concerns remain in respect of mitigation currently proposed by the applicant for the impact of the stopping up of the connection of Y30/28 with the A303. SCC has an alternative mitigation proposal which is considered to be more convenient and shorter in length for affected users. SCC has also raised concerns about how consideration is given to unrecorded rights that may exist which the development could interfere with. 4 2.4 Drainage There will be a need for the applicant to provide more detail as the proposals progress, including cross sections, levels and structures. These details should include any temporary or phased arrangements necessary for the construction of the scheme; including how and when these will be brought forward and become operational. SCC believes there are also further opportunities to include sustainable drainage systems within the scheme. 2.5 Geology, Assets and Waste SCC is satisfied with the approach, assessment methodology, identified likely effects and proposed mitigation measures presented by the applicant in the documents reviewed. A number of observations have, however been made on the baseline data presented but it is not considered that these affect the overall outcome of the assessment. 2.6 Archaeology and Cultural Heritage It is understood that the results of the archaeology fieldwork will be submitted during the application process and so it is envisaged that all required information will be available prior to any determination. The later submission of the geophysical survey and trial trenching will enable a mitigation strategy to be designed. The construction and operation of the proposed dualling of the A303 has the potential to result in adverse impacts on cultural heritage assets in South Somerset, particularly Hazlegrove Registered Park (RPG) and Garden where 14% of the RPG will be lost permanently. The District Council considers that the applicant has sought to design a scheme that minimises land take from the RPG, to avoid known archaeological sites and limit the impact on historic buildings and areas. The assessment of effects set out in the Environmental Statement is supported with the exception for a small number of heritage assets which have either been overlooked or the judgement of heritage value or magnitude of impact is challenged. The District Council seeks in these cases, a reassessment of the effects of the proposal on the heritage asset and sufficient mitigation to be secured through the DCO for these effects, including a requirement for consultation with the District Council on matters relevant to its functions at the detailed design stage. Specific details of the mitigation considered necessary to conserve, protect or enhance assets for future generations are set out in the relevant section of this report. 2.7 Air Quality and Omissions Air quality is generally good in South Somerset, with low levels of sulphur, oxides of nitrogen and particulates in comparison to the rest of England. The District Council raises no significant air quality issues as a result of the proposed scheme, although the concerns over increased traffic in West Camel and Sparkford require the applicant to undertake additional investigative work. 2.8 Biodiversity, Ecology and Natural Environment The applicant has considered the likely significant effects of the proposal on important ecological resources including designated sites, habitats and species and in their opinion have sought to design the proposed dualling scheme to avoid and minimise habitat loss in the long term. The District Council is however concerned about the potential impacts of the scheme both over the construction