ICE East of England Merit Awards Projects 2015

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1 ICE East of England Merit Awards Projects

2 Aerial view of completed car park Core and first by of steel View of car park Addenbrooke s MSCP Cambridge Category: Technical Excellence/Innovation Award: Highly Commended Retaining walls on perimeter As part of the Cambridge Biomedical Campus Expansion masterplan, the new Addenbrooke s Multi Storey Car Park forms a key component of the infrastructure to meet the needs of the future relocation of Papworth Hospital, and the existing Children s Hospital and Addenbrooke s Treatment Centre. The facility is located close to the main London to Cambridge railway line and rises nine storeys, making it a highly visible gateway structure for Cambridge. It provides 1200 car parking spaces for hospital staff and visitors, using a space efficient Vertical Circulation Module (VCM). In this configuration the floors are themselves ramped such that main ramp lengths are minimised. This project was awarded to Vinci Park under a Design Build Finance and Operate contract. Construction began in June 2013 and the car park was opened on time and on budget in May 2014, with a high level of client satisfaction. Facade steelwork 2 ICE East of England Merit Awards Projects

3 High Barns Chalk Mine Remediation Category: Physical Achievement Award: Merit Borehole Drilling The project had significant stakeholder involvement, especially the local community who were present throughout: elements of which not only took part on and under properties but sometimes from inside homes. Advanced and developed techniques ensured efficient safe delivery whilst also minimising environmental impact. Safety was of paramount importance, not just for the workforce but also the public and residents who were present close to work activities. Project construction cost was 6.5million. Challenges of the work This was a civil/geotechnical project involving detailed investigation; identification of nature and extent of old mineworkings; drilling and grouting treatment; success validation and certificates issued to property owners. Challenges included:- Work under and around occupied domestic properties; Work under and around housing estate infrastructure/highways; Mitigation of nuisance associated with noise and dust; Ensuring residents, public and workforce health and safety; Dealing with unmapped ground conditions that could suddenly collapse; Dealing with numerous extensive buried services: sometimes uncharted; Dealing with stakeholders and third parties, i.e. public and property occupiers; Maintaining very high standards of communication and co-operation; Unified delivery team managing change and project risks; Dealing with unexpected changes in mineworkings extent; Minimising short and long-term environmental impacts on local community and chalk aquifer; Delivering value working within client budgets; Overcoming technical issues arising from PFA use ban; Maintaining very high standards of project delivery; Developing and refining processes to advance the holistic approach including 3D modelling use updating and showing mineworkings extent and degree of improvement as works progressed. Angled Borehole Drilling under Property CCTV Image of Old Workings The Highbarns Chalk Mines Treatment project has been a significant ground engineering scheme to stabilise old chalk mineworkings under and around homes on a Hemel Hempstead housing estate. The purpose was to enhance residents safety and ensure that properties, highways and public areas have reduced sinkhole development risks, as highlighted in recent news stories. Having achieved these objectives, the scheme success is measured by removal of significant blight that previously affected the area, enabling owners/occupiers to again obtain insurance and sell/improve properties. Therefore, the community can return to normal: a very beneficial social outcome highlighting benefits that civil engineering expertise brings to society. BAM Ritchies worked closely with Customer Dacorum BC and Engineer Hyder to investigate the workings nature and extent, treat and then validate the success. On completion, a comprehensive validation report was produced and certificates issued to property owners providing confidence to mortgage lenders and potential purchasers. The project used and developed an advanced, holistic approach to increasing nationwide problems of deteriorating old mineworkings and sink-holes. It ensured that funding organisations obtained value by achieving required outcomes as efficiently as possible. Grout Image of 5-19 Highbarns Road. Small area of Validation on Map

4 Huntingdon Railway Viaduct Category: Physical Achievement Award: Highly Commended Category: Technical Excellence/Innovation Award: Exceptional Merit Overnight installation of the beams I believe this phase of the project has gone exceptionally well when set against the demanding timescales and challenging technical difficulties, this reflects well on all concerned. Austin Adkins Highways England Six months possession of section of one of station s main platform was required no train services or passengers affected The Huntingdon Railway Viaduct is a strategically important structure on the A14, which links the port of Felixstowe with the Midlands. The viaduct enables over 50,000 vehicles per day to pass over both Network Rail s East Coast Mainline Railway and the B1514 Brampton Road, which forms the vital link between the east and west sides of the town of Huntingdon, particularly between the hospital and the town centre. The condition and capacity of crucial half-joints to this structure, which support the portion of the viaduct that passes over both the Railway and Brampton Road, have long been a cause of significant concern to Highways England. Huntingdon railway viaduct, Brampton Road, In 2003, interim measures were applied to safeguard the deteriorating half joints until the then anticipated decommissioning of the viaduct by 2012, as a consequence of the construction of a new A14 alignment. Completed structural replacement showing enhanced safeguarding and warning signage A series of external steel beams were installed to provide an alternative load path to the deteriorating half joints. Crucially, the beams had been required to not impose a headroom restriction on Brampton Road, which runs on a mid-level bridge below the viaduct and above the railway. Following the Comprehensive Spending Review in 2009, the A14 scheme was put on hold. A more robust and resilient safeguarding measure was needed: it was accepted that the imposition of a headroom restriction to accommodate this could now be explored

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6 M25 Section 5 Innovation Varioguard: Safety lights for Night Shift Visibility Hard shoulder and Verge Deconstruction and Reconstruction Super Span Gantry placement on a night shift Category: Technical Excellence/Innovation Award: Merit Category: Sustainability Award: Exceptional Merit Category: Physical Achievement Award: Merit Aerial photograph of clockwise to Hatfield Tunnel, November 2014 Technical Excellence/Innovation The embryonic nature of the new MM-ALR Design Standards meant that the collective project team faced several significant operational and technical challenges identified during project delivery and through stakeholder engagement activities. These challenges gave the M25 team the chance to reassess motorway design and construction; leading to the successful development and deployment of a number of technology innovations with tangible safety and whole life cost benefits. Sustainability Central Reserve Deconstruction and Reconstruction 'All Lanes Running' utilises the existing hard shoulder as a permanent running lane, effectively increasing the cross-sectional highway capacity without widening the carriageway. This gave our team the opportunity to reassess construction processes, resource use, and waste management to encompass the M25 Scheme sustainability metrics, allowing a significant reduction in our overall carbon footprint. All lanes running, November 2014 The M25 Section 5 Project is part of first Managed Motorway All Lanes Running (MM-ALR) Scheme to be completed in the UK. Section 5 was constructed by Skanska Balfour Beatty Joint Venture (SBBJV) as part of the M25 LUS (Later Upgrade Sections) totalling 321Million, under the Highways Agency M25 DBFO contract with Connect Plus. Section 5 runs from J23 (South Mimms) to J27 (Theydon Garnon) of the M25 Motorway through Hertfordshire and Essex. Physical Achievement 'Managed Motorway' describes the future of England s motorways where technology is used to monitor and inform drivers (CCTV, traffic sensors, electronic messaging etc)

7 Steeple Bumpstead FRMS Category: Team Achievement Award: Merit Intense lobbying by the local group, Flood Action Committee (FAC), led to the initiation of the project by the Environment Agency and the Project Team were charged with the delivery of the scheme. The elements of the scheme that have driven the need for strong partnerships are: the works directly affect the landowners that are adjacent to the existing watercourse; there is strong interest in the scheme from the local community; much of the village is designated a conservation area; and a number of the highway structures constructed are the responsibility of Essex County Council. Work in Progress at Steeple Bumpstead, 26 July 2013 This 4.5 million flood risk management scheme was commissioned to protect the village of Steeple Bumpstead in Essex from the devastating effects of severe flooding. The project combined a variety of construction methods with challenging conditions, restricted access and a very strong public interface. It is a leading example of innovative engineering work, close knit partnership working and highly effective community engagement. 2,000 residents of Steeple Bumpstead had suffered significant flooding in both 2007 and 2009 causing devastating damage to residential and commercial properties and the closure of vital highway routes. The flooding was ruining village life and causing emotional turmoil for residents. Completed Scheme, 12 June 2014 Project Team, 25 March 2013 The design approach for the scheme was to increase the river s capacity through widening, re-profiling and re-sectioning the channel along the downstream reach of Helions Brook and a section of Bumpstead Brook

8 Waldringfield Flood Defence Scheme Previous floods Flood wall construction This project addresses issues of managing flooding and erosion risks which threaten the development of the Waldringfield coastal economy. Carrying out defence works will both safeguard and support the jobs in local tourist related and marine businesses. Phase 1 Flood wall construction Category: Team Achievement Award: Merit Waldringfield is a picturesque village on the banks of the Deben Estuary in Suffolk which is threatened by a high risk of flooding. The risk at Waldringfield was around 1 in 5 years. Low lying land, containing residential properties and businesses in a zone between the Maybush public house and Manor House to the north of Waldringfield are vulnerable to flooding on a regular basis. Statistical projections are that this area and the whole of the estuary will become increasingly vulnerable to flooding. Partner team visit, December14 The Waldringfield Flood Defence Group (WFDG) was formed by a group of concerned businesses and residents. Their Aim: to rectify the poor Standard of Protection (SoP) that had left an inadequate level of flood defence. Phase 1 involved the construction of a number of flood gates; a demountable defence surrounding the boatyard, Art Gallery and Shop. The north flank would be protected by a defence of both a clay bank and brick construction. The EA regards this partnership project as being able to challenge some of the constraints that usually surround the delivery of relatively small-scale engineering projects. This has been achieved by the EA and JacksonHyder working closely with the WFDG. This scheme has shown best practice in developing an innovative partnership and team approach to funding. The team has worked well in challenging circumstances with the EA and the contractor JacksonHyder. The scheme was funded; designed and constructed within 12 months. Working in partnership with a local group allowed for good local engagement, attracting alternative funding streams which could produce significant reduction in costs. The team demonstrated a passion; commitment; drive & dedication in partnership to make it a success. Lessons have been learnt to identify how other small projects could benefit from similar approach. Waldringfield boatyard, completed

9 ICE East of England Merit Awards Projects 2015 ICE East of England presents its Merit Awards every year to celebrate and recognise outstanding civil engineering. The aim of the awards is to: Recognise merit within the practising profession Encourage excellence and pride in the work of civil engineers Promote the values demonstrated in the best projects Raise awareness of the contribution that civil engineering makes to society Deliver a better future for people and the environment through teamwork and ingenuity There are four Merit Awards for projects that demonstrate: Physical Achievement Technical Excellence and Innovation Sustainable Construction/Engineering Team Achievement For further information on any of the projects included in this booklet, please visit: ICE East of England RIBA Office, The Studio, High Green, Great Shelford, Cambridge. CB22 5EG Tel: Iceeastofengland@ice.org.uk ICE East of England Registered Charity No Charity Registered in Scotland No. SC038629