Perwez - Extension, Upgrading to Tertiary, and Renovation of the Perwez Wastewater Treatment Plant | Tenderlake

Perwez - Extension, Upgrading to Tertiary, and Renovation of the Perwez Wastewater Treatment Plant

Contract Value:
-
Notice Type:
Contract Notice
Published Date:
09 July 2026
Closing Date:
30 September 2026
Location(s):
BE310 Arr. Nivelles (BE Belgium/BELGIQUE-BELGIË)
Description:
The project involves civil engineering and electromechanical works for the extension, upgrading to tertiary treatment, and renovation of the Perwez wastewater treatment plant, including the construction of new treatment lines and facilities while maintaining operational continuity.

The current contract is for the EXTENSION, UPGRADING TO TERTIARY, AND RENOVATION OF THE PERWEZ WASTEWATER TREATMENT PLANT.
The enterprise involves carrying out civil engineering, dismantling, electromechanical, electrical, automation, and supervision works for the extension, upgrading to tertiary, and renovation of the wastewater treatment plant, in accordance with the documents and specifications of the current special conditions.
The plant must be able to biologically treat domestic pollution equivalent to 7000 PE, at 180L/PE.d, considering the COD at 120 g/PE.d and the SS at 120 g/PE.d. The chosen treatment process for the water treatment line is activated sludge. The new imposed treatment standards are included in the technical clauses of the current specifications.

The current contract includes:
• The construction of a new water treatment line including the 7,000 PE;
• The construction of a sludge treatment line;
• The construction of a new technical and administrative building;
• The dismantling of the old water treatment line, including the old EM equipment;
• The dismantling of the old technical and administrative building;
• Transitional measures and temporary equipment to keep the station operational during the works.
The current dossier concerns the general mode of implementation of the installation, with the understanding that the technical studies of the equipment as well as the stability studies will be provided by the bidder. The plans and documents to be provided are defined in the clauses.
The volumes and dimensional conditions being prescribed by the specifications, the bidder commits to implementing the process in the general sense (construction, water line, automation, adjustment) to ensure the required performance for treatment.


LOT-0001
25084/01/E004_1
Perwez - Extension, Upgrading to Tertiary, and Renovation of the Perwez Wastewater Treatment Plant.
The current contract is for the EXTENSION, UPGRADING TO TERTIARY, AND RENOVATION OF THE PERWEZ WASTEWATER TREATMENT PLANT.
The enterprise involves carrying out civil engineering, dismantling, electromechanical, electrical, automation, and supervision works for the extension, upgrading to tertiary, and renovation of the wastewater treatment plant, in accordance with the documents and specifications of the current special conditions.
The plant must be able to biologically treat domestic pollution equivalent to 7000 PE, at 180L/PE.d, considering the COD at 120 g/PE.d and the SS at 120 g/PE.d. The chosen treatment process for the water treatment line is activated sludge. The new imposed treatment standards are included in the technical clauses of the current specifications.

The current contract includes:
• The construction of a new water treatment line including the 7,000 PE;
• The construction of a sludge treatment line;
• The construction of a new technical and administrative building;
• The dismantling of the old water treatment line, including the old EM equipment;
• The dismantling of the old technical and administrative building;
• Transitional measures and temporary equipment to keep the station operational during the works.
The current dossier concerns the general mode of implementation of the installation, with the understanding that the technical studies of the equipment as well as the stability studies will be provided by the bidder. The plans and documents to be provided are defined in the clauses.
The volumes and dimensional conditions being prescribed by the specifications, the bidder commits to implementing the process in the general sense (construction, water line, automation, adjustment) to ensure the required performance for treatment.

The Buyer:
in BW association intercommunale SC
Additional information:
Link:
View Full Notice
Link:
Additional document: DOC 01
Link:
Download Full Notice as PDF
CPV Code(s):
45232420 - Sewage work