NewsletterIssue No. 3 - July 2018

ESCP News

Contents in this issue:

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Late last year, two of our coastal engineers took a trip to the Flying Ball Academy to help their year 4 students with their STEM (science, technology, engineering & mathematics) project. The presentation focused on the existing defences and their problems. Followed by an exciting Q&A session about topics such as sea level rises and what materials are used.

At the National Trust Shifting Shores conference in Belfast, Mark Stratton was invited to present on how the ESCP effectively use coastal data in every level of shoreline management. At Flood and Coast 2018 he presented alongside the Local Government Association (LGA) Coastal Special Interest Group about the challenges Local Authorities face when trying to deliver multi partner, multi benefit FCERM projects.

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Our engineers visiting a local school to teach the children about their local sea defences

Mark presenting at the Flood and Coast conference with the LGA coastal special interest group

• The Wallington Gabion replacement works are now complete after being replaced with a like-for-like rock filled gabion basket system

• Stokes Bay coastal repair works to the damaged Seawall following Storm Eleanor on 3rd January

• Significant progress on the Tipner Lake Coastal Defence Scheme over last six months, including approx 400m of walls and stepped bases

• Assessments at Long Curtain Moat and Southsea Castle to assess the strength of the historic structures

• Repair works to the Stokes Bay Seawall along the Alverbank East Car Park

• Developed outline designs for the Seafield, Alverstoke and Forton coastal defence schemes.

Important work which will help inform the designs of new defences in Southsea has continued.A second phase of ground investigation work took place in February, which included extra boreholes and concrete cores.

There has been significant progress on the Tipner Lake Coastal Defence Scheme.

Work Continues To Secure The Future Of Southsea

Significant Progress Over At Tipner Lake

Following engagement events at the end of last year, the team are going to be out and about across the city in July holding a new series of consultation events on our emerging designs. There will be lots of sketches and visualisations of design ideas as well as the opportunity to sign up to workshops where attendees can interrogate the emerging designs with the help of experts, who will explain the opportunities and constraints in each area.The team will be back out across the city in Autumn with further consultation and a preferred design. It will demonstrate how public views have been taken into consideration and will explain the reasoning behind the decisions made. The final design will be submitted for planning approval and central government to access the funds for construction. If approved, construction is due to begin end of 2019. This will be done in several phases along the seafront, completing in approximately 2025/26.

Communications Update

Ground investigations along Long Curtain Moat

Marine surveys for intertidal and sub-tidal habitats

(www.southseacoastalscheme.org.uk/)

As we move into the summer, the construction of new defences in the southern section of our site (Twyford Avenue to Spinnaker Drive) is over 80% complete. The hard landscaping work has started. So far, we have raised land in some areas and poured the foundations for the tiered seating area. When it is completed this will provide a lovely view across the lake, under the M275 bridge, to Portchester Castle. Further landscaping features will include new benches and lighting columns on the shared use cycle path.

In the northern part of the site (Spinnaker Drive to Hilsea Lido) construction is going well, with almost 700m of piling in place already. (www.escp.org.uk/tipner-lake)

Seawall construction

The winter period provided the opportunity to work within two areas of the site, with restrictions on certain activities put in place in order to reduce disturbance to the Brent geese and wading birds that occupy the harbour. All works were undertaken with a watching brief in place, with minimal disturbance reported throughout the winter.

Seawall construction

Assessments were carried out to assess the strength of the historic structures at Long Curtain Moat and Southsea Castle.

Contractors were also busy carrying out marine surveys which will assess the intertidal and sub-tidal habitats along the frontage, and identify any areas that could be affected by the scheme.

EASTNEY COMMUNITY CENTRE:CANOE LAKE TENNIS PAVILION:ASPEX GALLERY, GUNWHARF:ANCHORAGE PARK COMMUNITY CENTRE:ST JUDE’S CHURCH, SOUTHSEA:COSHAM COMMUNITY CENTRE:ROYAL NAVAL CLUB & ROYAL ALBERT YACHT CLUB:FRATTON COMMUNITY CENTRE:

4 July, 1pm-7pm6 July, 1.30pm- 7.30pm10 July, 1pm-7pm

11 July, 3pm-7pm12 July, 1pm-7pm16 July, 3pm-7pm

17 July, 1pm-7pm20 July,1pm-7pm

The first year of beach management under the new five-year Beach Management Plan has been completed. With completion of the first phase of works in September 2017, winter storms seriously impacted the beach frontage at Eastoke. Storms caused overtopping of the beach crest, and loss of beach material offshore.

During January 2018, 8,000m3 of shingle was imported via road to Hayling Island to raise beach volumes and levels to reduce the flood risk at this location. Following these urgent January works, a smaller beach recycling

South Hayling Beach Management Activities (BMA)

January and February 2018 saw repairs carried out on timber sea defence structures along the South Coast of Hayling Island. These works included replacing damaged planking and piles to groynes, the sloping timber revetment at the Coastguard Station and West Beach; alongside the reinstatement of navigation markers on the ends of some structures.

South Hayling Timber Maintenance

The ESCP, on behalf of Havant Borough Council, have secured a £301,000 grant from the Regional Flood and Coastal Committee (RFCC) Local Levy fund to carry out an option appraisal and outline design works for the Langstone coastline. This is in addition to £75,000 of CIL funding provided by Havant.

The project will look at options to reduce flood and coastal erosion risk over the next 100 years for 86 properties at Langstone and critical infrastructure including the A3023. Before the option process begins the project team will be letting the public know about the successful funding bid and engaging with the local community to seek their views on the future of the shoreline at Langstone.

Langstone Funding Announcement

The Royal Oak pub in Havant Flooding by The Ship Inn pub

Beach renourishment work

Groyne structures before maintenance at low tide

Groyne structures after maintenance at low tide

Tracer pebbles have been deployed on the beach following the Easter holidays this year, tagged with radio-frequency identification devices (RFID), will allow us to record their location using GPS. These pebbles will be tracked to inform us of the direction and speed of sediment transport along the South Hayling frontage.

Beach renourishment workcampaign was undertaken in March 2018 to ensure the design profile was returned for the summer months.

(www.escp.org.uk/news/timber-maintenance-works-2018)

(www.escp.org.uk/beach-recharge-eastoke-2018)

We also removed five badly dilapidated and unsafe timber groynes at West Beach identified as a considerable health and safety risk to the public and navigation. The beach will continue to be monitored to identify any significant changes since the removal of the timber structures.

The Wallington Gabion Replacement Works are now complete.

The existing erosion barrier which had reached the end of its serviceable life and was no longer maintainable, was replaced with a like-for-like rock filled gabion basket system. The system is designed to manage and reduce the risk of erosion to the eastern river bank, adjacent to Wallington Shore Road, Wallington Village.

P T Contractors Ltd. seeded the river bank and verge in April, when growing conditions are more favourable.

The works were funded by Fareham Borough Council and supervised by the Eastern Solent Coastal Partnership.

(www.escp.org.uk/wallington-gabion-replacement-works)

Wallington

Stokes Bay Maintenance

Earlcoate Construction and Plant Hire Ltd. were appointed by the Council to undertake the repair works to infill the void. The lower walkway on the Western Promenade remains closed, while investigations continue into the poor condition of this structure and potential repair options.

We apologise for any inconvenience caused and thank you for your cooperation throughout the works.(www.escp.org.uk/stokes-bay-2018)

Coastal repair works to the Seawall along Stokes Bay, adjacent to the Alverbank East Car Park were carried out at the end of March 2018, enabling the eastern promenade to re-open.

During construction

After construction at Wallington Gabion

Seafield, Alverstoke and Forton Coastal Defence SchemesThe ESCP have developed outline designs for all 3 of these priority coastal defence schemes. Once built these schemes will reduce flood risk to 541 Gosport homes until 2060. Going forward the project team has submitted a further funding bid to the Environment Agency for detail design, consenting and construction funds for the Alverstoke Scheme which, if approved, could see construction commence in summer 2019.

The project team has also bid for additional funds for the Seafield scheme to provide an enhanced outline design and carry out additional environmental investigations required. This will allow more cost certainty for the Council and provide greater assurance that the scheme will comply with the relevant environmental & planning legislation.

The Forton scheme is currently on hold to allow the St Vincent’s College (frontage owner) re-development scheme and GBC FCERM scheme objectives to align. This will allow a more collaborative solution to the benefit of the community and the College.

This section of seawall was damaged following Storm Eleanor on the 3rd January 2018, where beach levels lowered, resulting in a large void forming under the promenade. Gosport Borough Council fenced off this area to members of the public for health and safety reasons, while the council’s engineers at the Eastern Solent Coastal Partnership developed an appropriate repair.

After construction

(www.escp.org.uk/gosport-schemes)