Abstract

In Jombang district, waste management is the responsibility of the Environmental Agency (DLH), whose implementation is the task and function of the Waste Management and Green Open Space Sector. Garbage transported from waste sources, both household waste and non-household waste, is taken to the Banjardowo Final Disposal Site (TPA) in Banjardowo Village, Jombang District. Based on the evaluation by the AHT Consultant as an AMC (Acompanying Management Consultant) in the ERiC (Emition Reduction in Cities) program, the amount of waste that is managed is 28% of the total waste produced (Toll Box Technical Field, AMC). In 2018, the amount of waste entering the TPA ranged from 89–96 tonnes / day. Through the ERiC program, an auction process is currently being carried out for the construction of a sanitary landfill TPA and is expected to be operational in 2021 or early 2022. When the sanitary landfill landfill begins to operate, the cells currently used to collect waste must be closed. It is necessary to calculate the cost of closing the landfill as well as operational and maintenance costs after the closure of the landfill. Currently, the garbage handlers at TPA Banjardowo still do not use a system that meets the standard (System Sannitarry landfill). Garbage is only abandoned and piled up at the TPA location. The liquid produced from the process that occurs in the refuse dump (leachate) but is currently being streamed and stored in the leachate processing tank (ILP), but the leachate processing results have not met the quality standards set by the Ministry of Environment and Forestry . The closure of the landfill will produce methane gas which requires management or if possible can be used as a fuel source. Methane gas that is not managed properly will even pose a danger to the environment because it can cause fire. To manage a closed landfill and landfill, a strong management institution is needed. Currently, the TPA is managed by the Waste Management Unit at the Environmental Service Office of Jombang Regency. Strengthening the existing institutions is needed so that they can work optimally. A green city is a city designed with environmental impacts in mind, inhabited by people who have the awareness to conserve energy, water and food use and minimize waste disposal, water pollution and air pollution. Green waste is an effort to manage waste / waste in order to create zero waste by implementing the 3R concept, namely reduce (reduce waste), reuse (add value to waste resulting from the recycling process), and recycle. Urban open space is a space that is always located outside the mass of the building which can be utilized and utilized by everyone and provides the opportunity to carry out various activities in urban areas. The open spaces in question include pedestrians, roads, environmental parks, sports fields, plazas, recreational parks and city parks. Every public space has its own spatial, historic, social, environmental and economic features. The indicator for the proportion of urban open space is a global indicator that needs to be developed. A green city is a city designed with environmental impacts in mind, inhabited by people who have the awareness to save energy, food and water and minimize waste, air pollution and water pollution. According to Law Number 26 of 2007 concerning Spatial Planning. Green Open Space (RTH) is a path / area that extends and / or in groups, the use of which is more open, a place to grow plants, both those that grow naturally or those that are intentionally planted. The proportion of green open space in the city area is at least 30% of the city area. The research objective is to create a Sustainable Cities Design and Design Model, Revitalization of the Banjardowo Landfill, Jombang Regency, to Improve the Quality of Life of the Community. The research method began with the collection of primary and secondary data, data analysis, followed by the compilation of digital data and the preparation of geographic information technology 4.0 in the form of a GIS web. A Geographic Information System (GIS) is a special information system that manages data that has spatial (spatial reference) information. Or in a more narrow sense, is a computer system that has the ability to build, store, manage and display geographically efficient information, for example data identified by location, in a database. In general, the notion of a Geographical Information System is a component consisting of hardware, software, geographic data and human resources that work together effectively to enter, store, repair, update, manage, manipulate, integrate, analyze and display data in information. geographically based