Marthinsen & Duvholt has an impressive portfolio within water and wastewater infrastructure, recognised for delivering well‑planned and efficient projects. Our range of VA projects extends from large-scale water supply developments to smaller upgrade initiatives.
From new water supply infrastructure for Oslo to the upgrade of Toldergata in Åsgårdstrand — our water and wastewater projects cover everything from major water supply installations to the modernisation of urban VA systems and smaller municipal utility upgrades.
Our teams consist of some of the most skilled professionals in the industry. Their pride in their work and their ability to plan with precision ensure that we deliver high‑quality results with minimal impact on third parties.
We have experience with a wide range of contract models, including design‑build and collaborative delivery, making us well equipped to meet the project requirements of tomorrow together with our clients.
For Marthinsen & Duvholt, maintaining strong local roots through municipal water and wastewater projects is essential. Our commitment to sustainable VA solutions contributes to improved water quality and makes these projects an important strategic focus area for us.
We are happy to answer any questions or discuss the projects and experience we have built over 25 years as a contractor.
Øyvind Utne Larsen
Project Director Buskerud, Vestfold and Telemark
Håvard Kjendseth
Project Director Greater Oslo Region