ANALISIS EKONOMI LINGKUNGAN TERHADAP KEBERADAAN TEMPAT PEMROSESAN AKHIR (TPA) BLONDO KABUPATEN SEMARANG

Mahardika Rachmad S, Dwi Siwi Handayani, Arya Rezagama

Abstract


Solid wastein Blondo Landfill Semarang Regency has increasedeach yearwith the number ofinhabitantsof SemarangRegency. According to data from Public Work DepartmentSemarang Regencyin 2013, the amount of wastereaching298.532m3/day.The results of a questionnairethat has been doneto the communityexplainingthat the publicarguesthe presence of Blondo Landfill provide someimpactin the form ofbenefitsanddisadvantages. The perceived benefitssuchcommunitiescan workinBlondoLandfill as scavengers, collectingused itemshave a sale value, utilizationof methane gasandorganic fertilizer granules processing. While the losscan be anuisanceflies, pollution, aestheticnuisance, andden of disease. In this research, there are three alternative for redesain of Blondo Landfill. The totalbenefits of the choosen alternative is first alternative obtainedfromthe presence ofBlondo Landfill isincome forscavengers, salesof organic fertilizer granules, andutilization ofmethane gas with vertical progressive well, worthIDR 4.563.429.654.00in the first year. The totalloss purchase ofwaterdue to pollutionof IDR 29.250.000,00. Based on theeconomic analysistechniquesonthe interest rateof 12%obtainedNPV ofIDR3.546.036.809.00, BCRof 1.06, Payback Periodof16.61 years,  IRR of15.60% and PI of 41,52%. These resultsindicatethe landfillredesignprojectBlondo Landfill SemarangRegencyfeasible to go project.

Keywords


environmental economics, engineering economic feasibility, Blondo Landfill Semarang Regency

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