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Following one of the wettest Autumns and Winters on record, some of the works to relocate the gas pressure reduction system (GPRS) as part of the wider Chelmer Waterside project were delayed. With the drier weather now here, works are now continuing. You will start to see more site activity and contractors from Morrison Energy Services and Cadent delivering the works on behalf of Chelmsford City Council. |
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 Over the last few weeks, the following works have been completed:
- A new secure hoarding in the meadow area has been erected where the underground high pressure pipeline is being diverted. The new lighting to serve the footpath/cycleway has been vandalised and has been replaced.
- A de-watering system in the meadow area has been installed around the working area, for both surface and sub-surface water to help the progress of construction activities. 87 wells have been drilled, with water being pumped into a silt buster to capture all sediment to ensure clean water is discharged out of site.
- Within the area of site where the above ground equipment is being built four kiosks have been installed. These all have various functions within the Gas Pressure Reduction System and have been built on stilts to mitigate any future flood events in this location.
- Fabrication of other above equipment has continued to be manufactured in Bristol and transported to site ready for installation later this year.
- Phase 1 of the low-pressure pipeline works have progressed, alongside the Essex Record Office through laying approximately 650m of new pipeline.
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 The stages of the works over the next few weeks will include:
- Recommencement of the excavations in the meadow area for the high-pressure diversion.
- Installation of further above ground equipment in the area next to the 4 kiosks.
- Completion of the Phase 1 low pressure diversion works alongside the Essex Record Office.
The table below shows the current high-level programme for the works:
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Activity
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Start
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Finish
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Phase 1 - Mobilisation & site establishment
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10/11/2022
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12/04/2023
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Phase 2 & 3 - GPRS civil works
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10/03/2023
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19/04/2024
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Phase 4 - GPRS mechanical works
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06/05/2024
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06/05/2025
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Phase 5 - GPRS electrical & instrumentation works
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06/07/2025
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06/05/2025
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Phase 6 & 7 - Meadow pipeline operations
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04/12/2023
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29/07/2025
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Phase 8 - Commissioning
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14/04/2025
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03/05/2025
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Phase 9 - Wharf Road Governor Installation
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30/03/2025
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31/05/2025
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Phase 10 - Decommission Old GPRS
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29/06/2025
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15/08/2025
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Phase 11 - Fence and civil works
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03/05/2025
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15/08/2025
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Phase 12 - Demobilisation
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15/08/2025
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15/08/2025
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Key Dates:
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Construction works in the vicinity allotment
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26/01/2023
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15/08/2025
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Temporary allotment access arrangements
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26/01/2023
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15/08/2025
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Meadow cycle path diversion
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29/03/2023
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29/07/2025
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Commission GPRS
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14/04/2025
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03/05/2025
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Please note the above programme is subject to change
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