The laboratory exercise of Principles of Irrigation Engineering had been conducted in Saturday, December 5, 2009 in Sleman District. The sample sites were Van der Wicjk dan Pelem A Irrigation Systems which administratively located in Minggir and Turi Sub Districts, respectively.
Topics to learn consisted of flow measurements and irrigation structures. Flow measurements were acomplished in Kergan Secondary Canal of Van der Wijck Irrigation System using three methods, i.e. measuring structures, current meter, and bouyant balls. Irrigation structure topic was conducted in the both irrigation systems by introducing weir, canal, diversion structure, offtake structure, drop structure, flume, their parts as well as their functions.