Construction of Vigny-Longuesse sewage plant
Original notice title
France – Sewage work – OP2021/06 - CONSTRUCTION DE LA STATION D'EPURATION INTERCOMMUNALE DE VIGNY - LONGUESSE ET DE SON RESEAU DE TRANSFERT
Opportunity Score
Why this score?
Opportunity
40 / 100
Complexity
55 / 100
Risk factors
No estimated contract value, eligibility criteria, or required documents are provided in the notice. This makes it impo...
The notice and presumably all documents are in French only. Non-French speakers will need translation support.
Deep Portfolio Analysis
Uses:
- Description
- Industries & Services
- Capabilities
- Market & Experience
- Certifications
Tender facts
- Contracting authority
- SYNDICAT INTERCOMMUNAUTAIRE POUR L'ASSAINISSEMENT DE LA REGION DE CERGY-PONTOISE ET DU VEXIN - SIARP
- Country
- France
- CPV
- 45232420 - Sewage work +1 more
- Deadline
- Jul 29, 2026
Overview
Moderate opportunityKey Facts
- Works contract
- 2 lots
- Demolition of existing wastewater treatment plants (STEP) in Longuesse and partial demolition in Vigny
- Construction of a new intercommunal STEP in Vigny to treat effluents from both communes
Show full summary
This open tender by SIARP (Syndicat Intercommunautaire pour l'Assainissement de la Région de Cergy-Pontoise et du Vexin) covers the demolition of two existing wastewater treatment plants (STEP) and construction of a new intercommunal STEP in Vigny, along with a pumping station and transfer network from Longuesse. The tender is divided into two lots: Lot 1 for the main STEP construction and Lot 2 for the pumping station and transfer network. Performance location is Pontoise, France. Notice is in French only. Estimated value is not provided. EU funding status is inconsistent between structured data (EU-funded) and XML notice (no EU funds). Submission deadline is 29 July 2026. Award criteria are 60% technical quality and 40% price for both lots. Procurement documents are available online but were not analyzed.
Risks
No estimated contract value, eligibility criteria, or required documents are provided in the notice. This makes it impo...
The notice and presumably all documents are in French only. Non-French speakers will need translation support.
Analysis may be incomplete
Only part of the procurement documentation was analyzed. Additional eligibility requirements, certificates, or submission documents may exist in the remaining tender documentation.
Key Requirements
Technical
- Variants are not allowed
Administrative
- Tender must be submitted electronically via the specified platform
- Language of tender: French only (notice language FRA)
Requirements may be incomplete.
Award Criteria
Lot 1
Lot 2
Buyer
Name
SYNDICAT INTERCOMMUNAUTAIRE POUR L'ASSAINISSEMENT DE LA REGION DE CERGY-PONTOISE ET DU VEXIN - SIARP
Location
Pontoise, FRA
Website
Buyer profile
Identifier
34170
Activity
Environmental protection
Lots (2)
LOT-0001
Construction of the Intercommunal Wastewater Treatment Plant of Vigny-Longuesse
Demolition of the Longuesse STEP and partial demolition of the Vigny STEP, then construction of a new wastewater treatment plant on the Vigny site to treat effluents from Vigny and Longuesse, with treated water discharge into the Aubette river. Duration 18 months from planned start October 2026.
Location
Duration
Category
Award Criteria
Deadline
Award details
Valeur technique
Prix des prestations
Show original TED data
Original lot title
Construction de la station d'épuration intercommunale de Vigny-Longuesse
Original TED description
Les travaux de démolition de la STEP de Longuesse et la démolition partielle de la STEP de Vigny, puis construction d'une nouvelle station d'épuration (STEP) sur le site de Vigny qui recevra les effluents collectés des communes de Vigny et de Longuesse, puis un rejet des eaux traitées dans le cours d'eau de l'Aubette (milieu récepteur superficiel)
LOT-0002
Longuesse Pumping Station and Transfer Network
Creation of a pumping station for Longuesse effluents and installation of the associated pressure pipeline to transfer effluents to the new intercommunal STEP. Duration 10 months from planned start January 2028.
Location
Duration
Category
Award Criteria
Deadline
Award details
Valeur technique
Prix des prestations
Additional CPV codes
Show original TED data
Original lot title
Poste de refoulement de Longuesse et réseau de transfert
Original TED description
- La création d'un poste de pompage des effluents de Longuesse et la pose du réseau de refoulement afférant pour le transfert des effluents vers le site de la future STEP intercommunale de Vigny-Longuesse ;
Procurement Details
- Publication date
- 10 May 2026
- Languages
- French
Reference metadata
- Legal basis
- 32014L0024
Reference IDs
- Tender ID
- 319845-2026
Documents (2)
Similar tenders
Opportunity Score
Why this score?
Opportunity
40 / 100
Complexity
55 / 100
Risk factors
No estimated contract value, eligibility criteria, or required documents are provided in the notice. This makes it impo...
The notice and presumably all documents are in French only. Non-French speakers will need translation support.
Deep Portfolio Analysis
Uses:
- Description
- Industries & Services
- Capabilities
- Market & Experience
- Certifications