Construction Overview

       Zhongxing Road (Jiangnan Road - Xingning Road) in Ningbo City is located in Yinzhou District, Ningbo, and serves as an important traffic artery in the city. The construction scope of the Municipal Project's Construction Lot II of the Zhongxing Road (Jiangnan Road - Xingning Road) Comprehensive Renovation Project covers Zhongxing Road (Jiangnan Road - Yaogai Road). According to the design drawings, the quantities of non-excavation cured-in-place lining pipe repairs in Lot II are as follows: 309 meters of DN300 pipes, 352 meters of DN400 pipes, and 554 meters of DN1200 pipes. There are also three spots for localized non-excavation repairs. Additionally, due to the collapse of some pipe sections, the micro-tunneling construction method is designed to be used for the overall repair of the WS214-WS216 section. The pipe diameter of the WS214-WS216 section is DN400, with a length of 32 meters.

Note: Prior to the repair, this pipe section suffered from Grade 4 fractures and exhibited signs of collapse.

Construction Overview