STUDI PEKERJAAN LAPIS TAMBAH (OVERLAY) BESERTA RANCANGAN ANGGARAN BIAYA (RAB) DI RUAS JALAN BOJONEGORO-NGAWI STA 0+000-STA 2+800 (Studi Kasus: Kecamatan Padangan, Kab. Bojonegoro, Provinsi Jawa Timur)

The road is one of infrastructure that used by human to cross, either by walk or using land transportation. Bojonegoro-Ngawi road is the province causeway from the south that is Ngawi city, to the north that is Bojonegoro. Flexible road pavement maintenance can be done by adding overlay layers. Additional layer planning using the Component Analysis 1987 method can be carried out in several steps like; traffic analysis (LHR), Equivalent Cross calculation (LER), determination of CBR (California Bearing Ratio) value based on subgrade data, regional factors (FR), Surface Index, and calculation of the need for additional layers (overlay). After the calculation, choose the most economical and efficient methods, based on the thickness of the overlay layer, then the total bill of quantity is Rp 4.510.329.698