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L'Etacq foul sewer relining

About the project

The Liquid Waste Capital Delivery Team from the department for Infrastructure and Environment (IE) will undertake essential repairs and upgrades to the drainage network in St Ouen.

IE have recently completed a survey of the drainage infrastructure in the L’Etacq, Les Laveurs, Milano and Portinfer catchments. The survey identified existing foul sewers in a deteriorated condition and evidence of ground water infiltration.

The St Ouen drainage infrastructure repairs and upgrades aims to reline approximately 6,500 metres of drainage infrastructure throughout the Parish of St Ouen. The work is due to start on Monday 20 November 2023 and continue until April 2024.

The damaged or defective drainage infrastructure will be rehabilitated by relining the sewer using trenchless methods of construction which avoids the requirement for excavations and extensive disruption. Sewer relining restores the integrity of the drainage infrastructure to avoid pipe failure or collapse and eliminates ground water infiltration which reduces the capacity of the foul sewerage network.

The relining process requires access to manholes and buried chambers to reline the drainage infrastructure. Once installed, the liner will extend the lifespan and performance of the system.

Schedule of work and traffic management

There will be road closures and portable traffic signals in place. Diversion routes will be clearly signposted.

We’ll avoid using traffic management on Saturday and Sunday nights, and bank holidays.

Drain It Limited, IE’s appointed contractor, will contact the local properties before each road closure to:

  • confirm the programme dates
  • access requirements
  • provide contact details for any queries or concerns

Working hours

There will be 2 working hours:

  • Day working hours from Monday to Friday 8am to 6pm or Saturday 8am to 1pm
  • Night working hours from Monday to Friday 7pm to 6am

Traffic management will be in place on the following roads. We'll update the information with more details closer to the start and during the project.

Road name Working hours
La Charriere CappelainNight
La Grande Route des MiellesDay
La Profonde RueDay
La Route de L'Etacq, between Le Chemin de la Brecquette and Le HurelDay
La Route de L'Etacq, west of Le Chemin de la Brecquette to La Route des HarvesNight
La Route de la VillaiseDay
La Route de MillaisNight
La Route de VinchelezNight
La Route des HavresNight
La Route des Landes, between La Route de la Villaise and La Route du OuestNight
La Route des Landes, north of La Rue de la TrapeDay
La Route des Landes, south of La Rue de la TrapeNight
La Rue a la PendueNight
La Rue de GrantezDay
La Rue de la DeviseDay
La Rue de la PorteDay
La Rue de la TrapeNight
La Rue des CosnetsNight
La Rue des NouettesDay
La Rue des PallieresDay
La Rue des PresDay
La Rue du SudNight
La Rue du Val BachelierNight
La Rue FreuleDay
La RuetteDay
Le Chemin du MoulinDay
Le MontDay
Mont PinelNight
Rue de la PointeDay

Find the locations affected by traffic management on the below map.

Map of the St Ouen drainage infrastructure repairs and upgrades


Access to properties within the road closure will be maintained.

All temporary traffic management arrangements will be removed from the highway outside of planned working hours.


Bus stops affected by the works will have appropriate signage towards the nearest alternative bus stop.

For more information go to LibertyBus.

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