Pasar Bakti (Bakti Traditional Market) located in the city of Medan, Pasar Bakti is one of the traditional market is still active and frequently visited by the public. With environmental conditions and problems that exist today, Pasar Bakti designed with green architecture approach that emphasizes natural lighting system, natural aeration, as well as maximum utilization of water such as rain water harvesting. This Design was collaborate with Hajar Suwantoro and Achmad Delianur Nasution