EIA Scoping Report A30 to St Austell Link Road CORMAC Solutions Project number: 60539293 20 December 2017 EIA Scoping Report Project number: 60539293 Quality information Prepared by Checked by Approved by Ryan Putt Steffan Shageer Tamsin Wray Graduate Senior Environmental Technical Director Environmental Consultant Consultant and Various Technical Disciplines Revision History Revision Revision date Details Authorized Name Position 1 20/12/2017 Final for YES Tamsin Wray Technical Submission Director Prepared for: Cormac Solutions AECOM EIA Scoping Report Project number: 60539293 Prepared for: CORMAC Solutions Murdoch Building Radnor Road Scorrier TR16 5EH Prepared by: AECOM Limited Plumer House, 3rd Floor, East Wing Tailyour Road Plymouth, PL6 5DH, United Kingdom T: +44 (1752) 676700 aecom.com © This Report is the copyright of AECOM Limited. Any unauthorised reproduction or usage by any person other than the addressee is strictly prohibited. Prepared for: Cormac Solutions AECOM EIA Scoping Report Project number: 60539293 AECOM Limited (“AECOM”) has prepared this Report for the sole use of CORMAC Solutions (“Client”) in accordance with the Agreement under which our services were performed. Project number: 60539293 Date: 20 December 2017. No other warranty, expressed or implied, is made as to the professional advice included in this Report or any other services provided by AECOM. The conclusions and recommendations contained in this Report are based upon information provided by others and upon the assumption that all relevant information has been provided by those parties from whom it has been requested and that such information is accurate. Information obtained by AECOM has not been independently verified by AECOM, unless otherwise stated in the Report. The methodology adopted and the sources of information used by AECOM in providing its services are outlined in this Report. The work described in this Report was undertaken between August 2017 and December 2017 and is based on the conditions encountered and the information available during the said period of time. The scope of this Report and the services are accordingly factually limited by these circumstances. Where assessments of works or costs identified in this Report are made, such assessments are based upon the information available at the time and where appropriate are subject to further investigations or information which may become available. AECOM disclaim any undertaking or obligation to advise any person of any change in any matter affecting the Report, which may come or be brought to AECOM’ attention after the date of the Report. Certain statements made in the Report that are not historical facts may constitute estimates, projections or other forward-looking statements and even though they are based on reasonable assumptions as of the date of the Report, such forward-looking statements by their nature involve risks and uncertainties that could cause actual results to differ materially from the results predicted. AECOM specifically does not guarantee or warrant any estimate or projections contained in this Report. Where field investigations are carried out, these have been restricted to a level of detail required to meet the stated objectives of the services. The results of any measurements taken may vary spatially or with time and further confirmatory measurements should be made after any significant delay in issuing this Report. Prepared for: Cormac Solutions AECOM EIA Scoping Report Project number: 60539293 Table of Contents 1. Introduction .............................................................................................. 1 Project Overview ............................................................................................................................... 1 Site and Surroundings ....................................................................................................................... 1 Site Location and Characteristics ....................................................................................................... 1 Environmental Designations .............................................................................................................. 2 Surrounding Context .......................................................................................................................... 4 The Overseeing Organisation ............................................................................................................ 4 The Designer ..................................................................................................................................... 4 The Purpose of the Scoping Report ................................................................................................... 5 2. The Project .............................................................................................. 7 Background to the Preferred Option ................................................................................................... 7 Reasons for choosing the Preferred Option........................................................................................ 7 Project Objectives.............................................................................................................................. 8 Description of the Proposed Development ......................................................................................... 8 A Brief History of the Project ............................................................................................................. 11 Project Timeline to Date .................................................................................................................... 11 Indicative Future Programme ............................................................................................................ 11 3. Alternatives Considered ........................................................................ 12 Options Assessment Process .......................................................................................................... 12 High Level Intervention .................................................................................................................... 12 Initial Assessment of Potential Options ............................................................................................ 12 Reassessment of Potential Options ................................................................................................. 13 Preferred Options Assessment Report (OAR) .................................................................................. 15 4. Consultation .......................................................................................... 17 Context............................................................................................................................................ 17 Consultation to date ......................................................................................................................... 17 Statutory consultation ...................................................................................................................... 18 5. Approach to the assessment ................................................................. 19 The Design Manual for Roads and Bridges ...................................................................................... 19 Existing, baseline and future conditions ........................................................................................... 19 Potential significant effects and mitigation ........................................................................................ 19 Defining Assessment Years and Scenarios ...................................................................................... 19 Identifying Potential Effects .............................................................................................................. 20 Assessing significance ..................................................................................................................... 20 Mitigation measures and residual effects ......................................................................................... 23 Assessment of Cumulative Effects ................................................................................................... 23 Proposed level and Scope of the Assessment .................................................................................. 23 Technical Scope .............................................................................................................................. 23 Major Accidents and Disasters ......................................................................................................... 24 Proposed level and scope of assessment ........................................................................................ 24 Proposed Methodology including Significance ................................................................................. 25 Assessment Findings....................................................................................................................... 25 Stage 1............................................................................................................................................ 25 Stage 2............................................................................................................................................ 26 Stage 3...........................................................................................................................................