ACTO TON STORM TANKS Community Liaison Working Group Tuesday 4 February 2020
Acton Storm Tanks Josh Roy, Section Manager
Tideway Overview WEST
Tideway West Acton Storm Tanks
Curren rent t ope peration ration at Acton ton Storm rm Tanks ks Acton Storm Tanks Odour control system triggered by flows in overflow channel Storm flows overflow the weir Excess flows 2 4 discharge to the River Thames 3 1 Tanks 1 & 2 now fill only Overflow channel Stamford Brook directs flow to in scenarios where the Sewer fills up Tanks 3 & 4 river is at Tidelock during storm
Curren rent t ope peration ration at Acton ton Storm rm Tanks ks Acton Storm Tanks Problem Solution 29 discharges per year Thames Tideway Tunnel 312,000t sewage No expected discharges 2 4 3 1
Curren rent t ope peration ration at Acton ton Storm rm Tanks ks TWUL Network To Beckton To the Thames
TWUL Network
Acton Storm Tanks What we are doing
Acton Storm Tanks Timeline Project Duration: BMB took possession of the site in November 2017. The project will take just over four years to complete. Remaining Drop Shaft lining and Civil works May ‘20 Nov ‘20 Nov ‘18 June‘19 Apr ’18 Apr ‘19 Aug ‘20 Feb ‘22 Sep ‘18 Today Year 4 Year 1 Year 2 Year 3
Acton Storm Tanks – Last 4 Months Construction below Overspill Channel Phased demolition below Overspill Channel Construction of Construction of Interception Air Treatment Chamber Chamber
Acton Storm Tanks September 2019 – Demolition below Overspill Channel
Acton Storm Tanks October 2019 – Lower Chamber Wall Construction
Acton Storm Tanks November 2019 – Upper Chamber Wall Construction
Acton Storm Tanks December 2019 – Chamber Roof Construction
Acton Storm Tanks January 2020 – Construction below Overspill Channel
Acton Storm Tanks – Next 3 Months Demolition of Gallery Wall Construction of Ventilation Column Substructure Construction of Bypass Damper Chamber Installation of Ventilation Ducting & Backfill Completion of Interception and Inlet Chambers
Acton Storm Tanks – Drop Shaft Internals Vortex drop tube Cover slab and and approach pressure relief structure structure Mainline tunnel Internal baffle connection works and weir walls
Landscaping Majority of storm tanks area is hardstanding for operational access. Gabion wall structure to act as barrier to remaining storm retention area. Advance tree planting at Warple Way already in place. Soft landscaping to be implemented along northern Canham Road boundary including native wildflower meadow planting and native tree species including oak, cherry, hornbeam and birch.
Community Engagement Katie Ashton, Communications Manager
Community Engagement • 2 x Information notices sent out since last meeting for: ➢ 1 x Christmas Shutdown ➢ 1 x Road Closure & Demolition Works • 4 enquires received since last meeting: ➢ 2 x traffic and transport ➢ 1 x settlement deed ➢ 1 x site visit request All enquiries have been responded to within 24 hours (where possible)
HOW TO MAKE A CLAIM IF YOU ARE AFFECTED BY TIDEWAY’S WORK Who do I go to for advice? • Independent Advisory Service (IAS) Helpline for independent advice: 0800 917 8845 or info@tidewayias.co.uk • Tideway’s Compensation Officer, Louise Walsh , for personal assistance and advice: via Tideway Helpdesk 08000 30 80 80 or helpdesk@tideway.london or direct 07971 077165 or louise.walsh@tideway.london How do I submit my claim? • Louise can submit your claim to the Independent Compensation Panel (ICP) on your behalf, or • Y ou can submit your claim direct to the ICP: admin@tidewayicp.london • The IAS can send you a claim form, or you can download a claim form off the Tideway website: www.tideway.london/help-advice/compensation- information/Independent-Compensation-Panel 20
Community Engagement Continues in 2020 …. • Thames Water Network Challenge – 6 February • Acton Scouts STEM Event – 19 February • A.P.P.L.E site visit – 20 February • Resident visit – 27 February, 1-2.30pm. Register your place at helpdesk@tideway.london
Community Engagement Legacy since 2016 Hammersmith and Fulham Acton Community Investment 2844 (including Tideway CI) 987 Hours STEM Hours 1895 528 Volunteering 1118 335 commitments 1 placement at ACTST Work experience 18 placements from LBHF 10 placements from Ealing based on placement 69 placements at CARRR and HAMPS other sites 1 summer placement from LBHF Summer placements 11 summer placements placed at 2 CARRR/HAMPS Schools engaged 13 7 BMB staff residing in 123 9 area Apprentices working on any BMB site and residing in LBHF – 4 Apprentices working at ACTST – 0 Apprentices Apprentices working on any BMB site Apprentices working in HAMPS/CARRR and residing in Ealing - 2 - 12
How to stay up to date Information Sheets Monthly tunnelling updates Quarterly Newsletter If you would like to be added to our mailing list for works updates/notifications, email Community Liaison Working Group Meeting’s Helpdesk@Tideway.London
How to stay up to date en-gb.facebook.com/TidewayLondon/ www.linkedin.com/company/tideway-london/ twitter.com/TidewayLondon www.instagram.com/tidewaylondon/ @TidewayLondon
Overall Project Update Jamie Gray 27
Tunnelling – Carnwath Road to Acton Tunnel Boring Machine, Rachel, was launched from Carnwath Road in May 2019 and is making her journey to our Acton Storm Tanks site: • Various planned stoppages in June/July/August to install temporary logistics railway and full tunnelling set up (e.g. conveyor belt system) • Distance tunnelled in a full productive week typically varies 130m-200m • Total tunnel length = 6.9km, currently at 2.9km TBM Location Approximate Dates Currently halfway between Putney Bridge and Today Hammersmith Bridge Passes beneath Hammersmith Bridge End-March Cuts inland northwards towards Acton Mid-May Passes to west of Stamford Brook tube station End-June Arrives at Acton August Updated information regarding tunnelling via email is being sent to residents every month since October 2019, and will continue throughout the project
Where are the Tunnel Boring Machines? The Tideway TBM tracker https://www.tideway.london/tbm-tracker/
Building the Super Sewer
Time-lapse video Click the following link for our latest progress video: https://www.youtube.com/watch?v=mRRJTvSra3A 31
Questions 32
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