ANALISIS PEMANFAATAN AIR HUJAN DENGAN METODE PENAMPUNGAN AIR HUJAN UNTUK KEBUTUHAN PERTAMANAN DAN TOILET GEDUNG IV FAKULTAS TEKNIK UNIVERSITAS SEBELAS MARET

During the dry seasons rainwater can be utilized for plantation and toilet in Building IV Faculty of Engineering, Sebelas Maret University. Garden around the building which has length around 1031.74 m² is using. The number of toilets users in Building IV, is about 702 people consisting of active students, faculty and staff. This research was the data of rainfall conducted by quantitative descriptive method, by collecting data later analysis and conclude the research. Used rainfall data from rainfall stations Mojolaban, Pabelan, and BPSDA. Capacity analysis based Government Regulation Ministry of Publik Work No. 16/2005 About the Development of Water Supply System. PAH (Rianwater Harvesting) tank capacity to produce 70% of the total requirement is 360 m³ (based station Mojolaban rain, Pabelan, BPSDA) and 290 m³ (based station Pabelan). The draft budget for the manufacture of PAH with a capacity of 260 m³ of Rp. 113.500.000 Keywords: Water requeriment, Building IV Faculty of Engineering, Tanks PA