Irrigation projects, irrigation projects means that medium-sized smaller than the large irrigation projects. You must be a project that was conducted appropriately. With a volume less than 100 catchment million cubic meters. Catchment area is less than 15 square kilometres or less irrigation area 80000 Rai, which is construction of buildings such as the various types of irrigation dam dam dam to irrigate plants entrapped water pump. Water and drainage systems, etc., as well as construction output conveyor and into alternative rock.