Sewer Network Project in Medan 

Medan is located in Sumatra island and the third biggest city in Indonesia. 

Population is exceeding
2million peoples. Sewer network is highly demand and inevitable infrastructure in Medan.

Congested Medan is no longer accept conventional Open cut method so Micro tunneling method was applied. 


Machine Specification

Dimensions of shield

Outer Diameter

Crushable Cobble

4800  kg 


Unclemole TCC800 


Unclemole TCC 800 is probably the best slurry boring machine to fit with Medan soil condition. Customer worried about sudden squall in that area, Iseki provide water tight lock door to prevent from flood into the machine.

Soil characteristics

Soil characteristics in Medan varies from silty sand to gravely with sand.Sometime we found cobble zone as well. 

Unclemole can cope with varius soil conditionsuch as sticky clay, sand, silt, gravel and cobble as well. 

Iseki Supervisor support local contractor, who challenges micro
tunneling project very first time, and train them how to control machine as well as manage entire tunneling process. Thanks for their enthusiasm to learning new technology, customer had become confident in controlling machine. 

Customer arranged 2shift team and achieve almost 20m per day
progress at the best record day. 

construction site


Project Name
Jacking  Length
Soil Data

Construction Period

:Medan City Sewers Link Project
:Silt, Sand, Gravel and Cobble
:Jun 2019- May 2020

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