 2 Road North Drainage Pump Station in Richmond B.C., which was awarded the Public Works Association of British Columbia 2018 Project of the Year award.In 2018, Koh became the first artist-in-residence in the City of Vancouver engineering department.The project by Koh and Geoffrey Brown titled “ad hoc gallery” received a review from Gunter Nolte, Visual Arts Department Head at University of Ottawa, as he comments “They are making an enormous contribution to the community art scene.