Abstract Municipal solid waste poses a significant challenge in DKI Jakarta Province. This study assumes that DKI Jakarta has distributed waste treatment facilities (ITFs) covering western, eastern, and southern service areas, employing thermal waste systems due to their efficiency in handling large waste volumes. However, its residual waste, Fly Ash and Bottom Ash (FABA), presents its own concerns. FABA accounts for 1.5% and 18.5% of the total waste volume in all ITFs, equivalent to 88.47 tons of fly ash and 1,091.07 tons of bottom ash daily. The study analyses total distance travelled and fuel consumption for FABA transportation from each ITF to designated disposal sites. The planned fleet is 12-ton capacity truck or equivalent. Arc-GIS is employed for trip assignment and generate daily trip requirements. Three FABA disposal scenarios are considered: TPST Bantargebang, certified third-party sites in Gunung Putri, and a combination of both. The daily total distance ranges from 8,247.96 to 10,026.48 km and consume 5,071.16 to 6,164.66 Liters of biosolar. The trip assignment reveals that the distance to Gunung Putri exceeds the other alternatives, while transporting FABA to TPST Bantargebang yields the lowest total distance travelled. Estimated CO2 emissions range from 11.22 to 13.64 tons per day.
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