South Northants HS2 Liaison Group. Friday 9 March 2018

Transcription

1 South Northants HS2 Liaison Group Friday 9 March 2018

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3 Julie King Director of Community Engagement

4 Main Works Civils Contract Simon Matthews Interface Manager Eiffage Kier JV Main Works Civils Contract 1MC07-CEK-SE-PRE-C

5 Outline Introductions MWCC Delivery Stages and Outcomes Design Approach Construction Approach Main Works in Northamptonshire Undertakings and Assurances Traffic Routes Short Term Works Future Engagement Questions

6 Eiffage Kier Joint Venture Experienced Multi-National Joint Venture Eiffage have successfully delivered 180km Bretagne-Pays de la Loire high speed line in France 26 Mm 3 Earthworks 240 Structures Rail Systems Track, Signalling and OLE Kier brings major project experience from Hinkley Point, Crossrail, etc and local experience

7 Stage 1 Outcomes Scheme Design Stakeholder Dialogue Delivery Proposals Supply Chain Engagement Target Price

8 Stage 2 Delivery Commences Early Access Dates Clear Route for Earthworks Completion Q Handover to Rail Systems

9 ID Task Name Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q Q2 1 Information Gathering 2 Option Selection 3 Develop Scheme Design 4 Develop Methodology 5 Initial Public Engagement 6 Pre -Application Engagement 7 Draft Final Submission 8 Final Submission 9 Notice to Proceed 10 Prepare Submissions 11 Detailed Design 12 Stage 2 Commencement 13 Site Mobilisation 14 Highways and Structures 15 Main Earthworks 16 MWCC Completion NB the timings on this slide are indicative

10 Design Approach Understand Requirements Balanced Scorecard Option Selection Key and Common Design Elements Stakeholder Engagement

11 Construction Approach Site readiness by EWC Site Clearance including Utilities Offsite mobilisation Create site infrastructure Highway access Compounds Site logistics route Temporary drainage Fencing Pre-earthworks drainage Structures Highways and Public Rights of Way Bulk earthworks Protection layer Drainage

12 HS2 in Northamptonshire Assets 14 Overbridges 2 Green Tunnels 5 Viaducts 7 Road Realignments 12 Cuttings 7.7M m 3 15 Embankments Key Mass Haul Principles Move material once and deposit material as close to the source as possible Keep material movements within the trace

13 Key Design Elements Preliminary Designs Edgcote Viaduct Viaduct design to fit into the local landscape Short, lower viaducts because of the lower alignment of the route Lower Thorpe Viaduct

14 Green Tunnels Preliminary Concept Construction Sequence

15 Undertakings and Assurances U&As allocated to MWCC Specific compliance plans drafted What we will do? When we will do it? How do we record it? Incorporate requirements into Design Planning Construction works Develop systems to ensure compliance U&As digitally mapped

16 Traffic Routes Determine traffic movements Measure against ES Identify requirements and prepare Local TMP by July 2018 Route Plans and Schedule 17 applications to be prepared from August 2018 Main routes from M40 J11 via A361 from M40 J11 via A422 and B4525 from M40 J10 via A43 and B4535 from M1 J16 via A45 and A361

17 Additional Ground Investigation Further GI planned from April 2018 Provide further design input Reduces risk in time, cost and assurance

18 Trial Cutting at Wormleighton 200,000m 3 trial hole to monitor behaviour of soil Planned May 2018 to October 2018 Schedule 4 Temporary Access Schedule 17 Lorry Route Approval from M40 J11 or A45 Daventry via A361 Chipping Warden and Banbury Road to Wormleighton

19 Trial Cutting Planned Works Fill Area Cut Area Compound Site establishment and water management Create haul road Excavate cutting to depth Install monitoring Access Point

20 Future Engagement Common Message Understand Community Issues Tiered Sharing of Design Proposals Parish Council Meetings March May 2018 Public Exhibitions June July 2018 HS2 Ltd Enabling Works Main Civils Initial discussions with local representatives County and District Councils Parish Councils Community Groups Schools Engagement From May 2018

21 Parish Meetings to be arranged: Aston le Walls Brackley Boddington Chipping Warden and Edgcote Culworth Greatworth Marston St Lawrence and Sulgrave Thorpe Mandeville Whitfield

22 Update From Fusion Enabling Works Contractor

23 Current Works in Northants Scheme Designs for highways works at: Chipping Warden Relief Road A361/Welsh Road Junction B4525/Sulgrave Road (Dump Road) Plus associated Surveys and Geotechnical Investigation Commenced works in October 2017, now 60-70% complete Due for completion in May 2018

24 Chipping Warden Relief Road Approximately 1.5km Relief Road Single Carriageway, no structures 3 tie-ins, 1 temporary Section over Green Tunnel built by EK To Wardington

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26 B4525/Sulgrave Junction

27 Next Stages Challenges to resolve at this stage: Chipping Warden southern balancing pond Chipping Warden acoustic barrier inclusion and/or location Chipping Warden speed limit of the new road All sites Highway boundary/fencing lines Will resolve in collaboration with the Highways Authority and with the Local Planning Authority Community Engagement underway, and will continue throughout design and build

28 Next Stages Detailed Design start April 2018 Mobilisation of Construction Works Summer 2018 Start Construction Summer/Autumn 2018 Completion Spring 2019

29 Fusion Works Other enabling works being undertaken by Fusion nearby: Other highways schemes in Wardington Village, M40 J11 and Wills Pasture Road in Warwickshire Construction of ecological mitigation sites at Halse Copse (two sites) and Turweston (two sites), Culworth Archaeological investigations Environmental and ecological surveys