Revision of contaminated sites cadastre for PFAS and site management services 2026 Tender

Original: Révision du cadastre des sites pollués par l’intégration des substances per- et polyfluoroalkylées (PFAS) et gestion des sites pollués / Location de services

Office Cantonal de l'Environnement (OCEV)

About this tender

The Office cantonal de l'environnement (OCEV), represented by the Service de géologie, sols et déchets (GESDEC), is running an open single-stage tender for the provision of staff (temporary personnel placement). The contract covers an environmental engineer who will give scientific and technical support to the Sites pollués & protection des sols (SPPS) sector. The work supports the revision of the cadastre of contaminated sites following the integration of per- and polyfluoroalkyl substances (PFAS), along with other contaminated-site projects. The assignment requires a minimum activity rate of 80% by one individual, designated as the key person of the contract, working under the direct supervision of the SPPS sector head. The work is performed at GESDEC premises in Geneva (1205), with occasional travel across the canton for site visits, construction-site visits and meetings. Exceptional travel outside the canton may also be required for meetings, conferences or professional events related to the mission. The contract runs from the expected start date in February 2027 (subject to presentation of the required OCIRT authorization) to 31 December 2029. The contract may be renewed up to two times for one year each, which would extend it to December 2031. The CPV main code is 79620000 (supply of staff, including temporary staff), with an additional code of 71313000 (environmental engineering consultancy services).

Bidder eligibility

Eligibility criteria are set out in tender document A1, which was not included in the notice text. Participation conditions are also defined in the documentation. The bidder must present the required OCIRT authorization (agrément) before the contract can take effect. Bidding consortia, subcontractors, and multiple tenders from consortia or subcontractors are not permitted. Variants and partial tenders are not permitted.

How bids are scored

Award criteria (per the notice): Key person references and experience, 35%; Organisation of the candidate and understanding of the mission, 20%; Hearing of the key person (mandatory interview, 17/12/2026, at OCEV-GESDEC premises), 20%; Overall economic quality of the offer (price), 25%. Total weighting: 100%, with price at 25% and quality criteria at 75%.

Key requirements

• ✓Single environmental engineer (personal key person) at minimum 80% activity
• ✓Scientific and technical support to the contaminated sites and soil protection sector under direct supervision of the sector head
• ✓Expertise in PFAS contaminated sites and site management, open one-stage procedure

Procurement contact

The notice names a procurement contact for clarification questions.

CPV codes

Relevant sectors

About this sector

Environmental justice funding supports communities most exposed to pollution and climate harm, with an emphasis on local leadership. It is offered by public programmes and foundations, often as grants to community organisations and partnerships. Calls typically ask how residents are involved in decisions and how benefits stay in the community.