Concepção e Construção de Melhoramento de Emissario Residual da zona ZAPE e NAPE -Progress status

The 1st contractual milestone (Design proposal, Specification, structural and fabricating detail drawings of tunnel boring machine, ELS detail design for the launching shaft) have been achieved. Now we are working for the 2nd contractual milestone.

Furthermore, we have completed the soil improvement and mini-pile works of the launching shaft. The temporary transformer room and external QGBT room for the tunnel boring machine are ongoing. After completed the pipe-pile wall, we can start to work for the ELS and excavation of the launching shaft.