They managed civil administration, roads, bridges and waterways of Honjo and farmed out cleaning of water and sewerage, repair of water pipes and opening and closing of water pipe gate to citizens.
本所の民政・道路・橋・水路などを管理し、住民に上下水道の浚いや圦樋の修理、樋戸開閉の見回りなどを請負わせていた。