Assessment of the Suitability of Basic Infrastructure Design to Spatial Land Use Patterns in Slum Settlements: A Case Study of Sepaso, East Kutai
Abstract
Basic infrastructure plans that are misaligned with an area’s spatial needs are among the causes of the low quality of slum settlements in Indonesia. This study aims to evaluate the correspondence between basic infrastructure design and spatial land-use patterns in the Sepaso slum area, East Kutai, based on the 2024 Detail Engineering Design (DED) document. The study adopts a descriptive-quantitative and spatial approach, analyzing the ratio of road network length and drainage channel length to the area of residential, public facilities, buffer/green open space, and access road zones. The results show that the access road zone has the highest infrastructure ratios, namely 30 m of roads and 11 m of drainage channels per 100 m². In contrast, the residential zone, which is the largest zone (4,600 m²), has no internal road network and a relatively low drainage ratio (2.61 m/100 m²). This disparity indicates that the planning has not fully accounted for the intensity of space utilization in each zone. A graphical visualization reinforces these findings, showing that infrastructure distribution tends to be sectoral and not yet spatially equitable. The study concludes that micro-scale design adjustments are needed such as adding local access roads and tertiary drainage channels in the residential zone so that infrastructure can reach the entire area in an equitable and functional manner. These findings have important implications for the planning of other slum areas with similarly dense and spatially fragmented characteristics.
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