Duet advocaten B.V.

Daniel specialises in procurement law, construction law, sustainability and energy transition. He is frequently called upon to shape procurement and contracting strategies, draft tender documents, draft contracts and supervise procurement procedures. Daniel has extensive experience in advising on contracts for major infrastructure and construction works, the public transport sector and sustainability projects. For example, from 2009 until the completion of the North/South Line in 2018, he headed the team of lawyers and jurists that assisted the municipality of Amsterdam in the contracting and execution of the various construction contracts. Daniel combines his legal knowledge with a technical background. As a civil engineer, he is able to quickly get to the heart of complex technical issues and translate them into a tailor-made legal approach. Daniel specialises in both traditional construction contracts (UAV and UAV-GC) and more collaborative contract forms such as (NEC4) Cost+ contracts, construction teams and alliances, whether or not put out to tender by means of a two-phase tender. Daniel is (has been) involved in major construction projects such as the Uithoorn line (light rail), the Victory Boogie Woogie tunnel in The Hague, the new PALLAS Reactor (NEC4) and the Nuclear Health Centre (FIDIC) in Petten and the renovation of the Binnenhof. Where necessary, Daniel assists his clients in legal proceedings before the civil courts and the Council of Arbitration in construction disputes.

Eveline Snijders-Van Erp KC

Eveline is a highly experienced specialist in construction and procurement law. She focuses on guiding procurement processes, including in construction and infrastructure. Eveline is often involved from the preliminary phase of the project and advises on the tendering and contracting strategy. Eveline has special knowledge of procurement in the field of rail and public transport. For example, she successfully supervised GVB's tenders for new tram vehicles (the tram 15G) and new metro vehicles (the metro M7). She also supported the Province of South Holland in the tender for hydrogen supply and the construction of the hydrogen refueling station Heinenoord (project JIVE2). In addition, Eveline is often called in to deal with issues during the implementation phase of (construction) contracts and has extensive experience in interim injunction proceedings. Eveline is a lecturer at Conducto Opleidingen and author of Sdu Commentaar Aanbestedingsrecht.

Giulia van den Beuken KC

Giulia has extensive experience as a lawyer in construction and procurement law. Giulia specializes in procurement and contracting in the social domain. She advises various municipalities and (youth) care regions on hot topics such as healthcare fraud, exorbitant profits and effective interventions. In addition, she has successfully assisted several municipalities in legal proceedings about realistic rates for youth care and social support. Giulia also has broad experience in tendering and summary proceedings on various types of contracts, such as renovation projects, temporary staffing, debt relief and consulting services. In addition, she advises on major construction projects. Between 2018 and 2020, she was involved in project Zuidasdok as a permanent project lawyer. Since 2023, Giulia has been a permanent project lawyer for project IJburg in Amsterdam. Giulia publishes regularly at Pont | Zorg & Sociaal and in various professional journals such as JAAN. She is also author of Sdu Commentaar Aanbestedingsrecht and teaches regularly.

Martijn Claassen KC

Martijn has over 20 years of experience in construction and procurement law in medium to large construction projects in the building and infrastructure sector. He gained this experience in various roles, both on the client and contractor side and in the role of consultant. Besides extensive legal knowledge and experience, Martijn also has relevant technical knowledge and experience, both from his engineering studies (Bouwkunde, TU Delft) and from the projects he has provided contract law advice on 'from the shack'. Martijn has gained particular experience in supervising complex installation engineering projects, such as the transport engineering & dismantling contract of the North-South Line, the ICT and train security systems of the metro in Amsterdam, the tunnel engineering systems of the road tunnels in Amsterdam and the functional systems of the traffic centre in Amsterdam.

Misha Leppers KC

Misha has 15 years of experience in construction and procurement law. Besides his legal knowledge and experience, his engineering background also gives him a technical background. He enjoys deploying this unique combination on-site with clients. Misha has extensive experience in both the tendering and execution phases of complex (infrastructural) projects such as the bored tunnel and deep stations of the Noord/Zuidlijn underground, the train security system of the metro in Amsterdam and the Victory Boogie Woogie tunnel in The Hague. In addition, Misha focuses particularly on the rail sector. His experience at ProRail has allowed him to further specialize in this sector, for example in the field of superstructure renewal, train safety systems, the conversion of railway yards. He has also been involved in the High-Frequency Rail Transport Programme.

Nienke Keus-Goldberg KC

Nienke has specific expertise in the field of forms of cooperation in complex construction and renovation projects. For such projects, she drafts the tender documents and contracts and supervises the tendering procedures. Examples of projects in which Nienke has been involved include the strengthening of the Markermeer dykes for Hoogheemraadschap Hollands Noorderkwartier, the dismantling and decontamination of the phosphorus factory Thermphos, the renovation of the Dom tower, the renovation of Lelylaan railway station and various tenders for the Programme Approach to Road Tunnels Amsterdam, such as the new Amsterdam Traffic Control Centre and the framework agreement on technical consultancy services for road tunnels. Nienke also has particular affinity and years of experience in the procurement of care in the social domain (youth care and Wmo) and realistic rates. She has been a member of the Corporate Tender Board of Rijkswaterstaat since 2019, advising on the tenders and contract forms of the largest construction projects in the Netherlands. Nienke has been ranked as "Leading Individual Construction 2023" in The Legal 500.

Ria Fahner KC

Ria has over 30 years of experience as a lawyer and is a leading specialist in construction and procurement law. In this, she has built up specific knowledge in the infrastructure, non-residential construction, healthcare and social domain sectors. Ria assists various (semi-)government organisations in tenders and construction projects. She supports these organisations in every step of the tendering process, from preparation to award. Among other things, Ria advises on the choice of the type of tendering procedure and the form of contract. In construction projects, she has extensive experience with various contract forms, such as UAV, UAV-GC, construction team, alliance, two-phase contracts and Cost+. Ria has an extensive and successful track record of litigating before the civil courts, the Arbitration Council for the Construction Industry and the Netherlands Arbitration Institute. Ria has been a deputy justice at the Arnhem-Leeuwarden Court of Appeal.

Sanne Groenwold KC

Sanne specialises in construction and procurement law. She advises and litigates on a variety of procurement law issues and has extensive experience in setting up and supervising complex procurement and tendering procedures. Sanne has specific expertise in procurement and tenderprocedures within the social domain. She is aware of current social domain-related topics and trends, such as realistic rates, exorbitant profits, healthcare fraud and Bibob. Sanne also deals construction law and contract law cases. Her focus is on advising professional clients in the realisation of large construction projects such as the construction of the Victory Boogie Woogie Tunnel in The Hague, the renovation of the Binnenhof and the realization of the PALLAS Reactor and the Nuclear Health Centre in Petten. She has experience with both traditional construction contracts (UAV and UAV-GC) and more collaborative construction contracts, such as alliances, two-phase contracts (including 'bouwteams') and various Cost+ contracts (NEC4 and FIDIC). Where necessary, Sanne assists her clients in legal proceedings before the civil courts and the Council of Arbitration in construction disputes. Sanne regularly lectures and publishes on construction and procurement law for various institutes and in professional journals.

Zara Gulikers KC

Zara assists clients in the construction, infrastructure and energy sectors. She advises and litigates on various procurement and construction law issues, both in the (preparation of the) procurement procedure and during project implementation. Zara's focus includes the supervision of large complex construction projects, such as the PALLAS Reactor and Nuclear Health Centre in Petten and the sewage treatment plant in Den Bosch. Besides drafting and assessing traditional construction contracts based on the UAV and UAV-GC, she also drafts contracts with far-reaching forms of cooperation such as two-phase (including construction teams), alliances and various contracts applying Cost+ (including NEC4 and FIDIC). She also has knowledge of a variety of real estate-related topics from her previous experience in the real estate transaction practice (specializing in tenancy law). Zara is a lecturer at Conducto Opleidingen Inkoop & Aanbesteden.

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