DefinePK

Abstract

Damage to one of the buildings of irrigation will affect the performance of existing systems, resulting in the efficiency and effectiveness of irrigation to decrease. Bissua dam is one of the dam in South Sulawesi which drains approximately 10.785 hectares of rice fields by making capacity of 25 m3 / sec. Disruption of irrigation channels in this area either primary channels, secondary channels, or tertiary channel may result in a decrease in agricultural production and negative implications for farmers' income. This study is located at the point B.Bi5 or rather the Bi tertiary channels 5 (Left) Bissua Irrigation Area, District Bajeng, Regency of Gowa and aims to provide information as well as one source of data to formulate policies in managing the irrigation network and the local communities. This research-based geographic information system (GIS) where the results of this research data in the form of software such as Map Source, Arc GIS and Google Earth. To identify tissue damage tertiary irrigation survey using GPS, then take the coordinates, dimensions and damage photo at the point of damage. Based on Ministry of Public Works the Republic of Indonesia, No. 32 in 2007, obtained the degree of damage to Bi tertiary channels 5 (Left) with 7.84% the percentage of damage is categorized in good condition (damage level <10%).