Fabricated rectangular rainwater inspection well and construction method thereof

The invention relates to an assembly type rectangular rainwater inspection well and a construction method thereof.The assembly type rectangular rainwater inspection well comprises a well lid base, a well ring, an upper shaft, a transition cover plate, a lower well chamber and a concrete base plate, the lower well chamber comprises a lower well chamber bottom plate and a lower shaft fixed to the lower well chamber bottom plate, and at least one rainwater opening connecting pipe reserved hole is formed in the side wall of the upper shaft; at least one rainwater main pipe preformed hole is formed in the side wall of the lower shaft; the lower well chamber, the transition cover plate, the upper well shaft and the well ring are inserted and matched through rabbets, and sealing rings are arranged between the lower well chamber, the transition cover plate, the upper well shaft and the well ring. The rainwater inspection well has the advantages of being reliable in quality and convenient to construct, the constructio