Norvège – Ouvrages annexes pour canalisations d'eau – 1000864 General Contract For Gravsbekken Stage 2

The project Gravsbekken stage 2 includes upgrading and separation of the pipeline network in the upper part of the catchment area of Gravsbekken in Bærum municipality. In the current situation, wastewater and surface water are transported in a joint pipeline in the previous bekkeleie, which mostly functions as a property border between private properties. The background for the project is the need to separate the pipeline network in order to reduce the supply of foreign water to the municipal sewage system and onwards to VEAS.

The measure shall also contribute to reducing the risk of basement flooding as a result of capacity challenges in the downstream pipeline network. The contract work includes the establishment of a separate system for wastewater and surface water in the upper part of the catchment area for Gravsbekken, upstream of the contract border to Gravsbekken stage 1. including the establishment of a joint ditch for several types of pipelines, where appropriate Connection to the existing pipeline network and the necessary adaptations to the completed installations in Gravsbekken stage 1Re-establishment of affected areas, including private garden areas. W-drawings showing an overview of the site belt for the entire project are attached as part of annex V02.

Detailed W-drawings for each property will be submitted after the contract has been signed. Site inspection: Nadderudveien 25BDate and date: 29.06.2026, 12.00 Registration by 26.06.2026, with the number of participants.