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HomeNews & Information2017The First Shield Tunneling for MRT in Indonesia Finished


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News & Information 2017

February 24, 2017

The First Shield Tunneling for MRT in Indonesia FinishedThe first implementation of Shield Tunneling Method in Indonesia for MRT-Jakarta Phase 1, CP 104, CP 105

The second tunneling machine utilized in the ongoing construction of the Jakarta Mass Rapid Transit (MRT) Contact Project (CP)104-CP105, conducted under the Shimizu-Obayashi-WIKA-JAKON Joint Venture (JV), has completed its task today by reaching its final destination. The CP104-CP105 project runs two tunneling machines, the first of which had finished its work two weeks before.

The MRT tunnels are constructed by the Shield Tunneling Method and it was the first time that such a method was usedin a construction project in Indonesia.

The President of the Republic of Indonesia, Joko Widodo and the Ambassador of Japan for Indonesia, Mr. Tanizaki, along with government officials, witnessed the moment that the tunneling machine reached the Setiabudi underground station area.

The Jakarta MRT Project, expected to reduce the notorious and constant traffic jams in the capital city, is funded by the Japanese Yen loan. Based on plans, the MRT will boast a total length of 23.8km and will include 21 stations stretching from the north to the south of Jakarta. Phase 1 of the north-south line is projected to consist of 6 sections, with four JVs led by Japanese contractors having been awarded with the projects.

Shimizu JV was appointed as the contactor for CP104 and CP105 which will stretch for 3.89km in length and include 4 underground stations, namely Senayan, Istora, Bendungan Hilir and Setiabudi Stations. The stations will be connected with 2 tunnels with a total length of 2.6km and an inner diameter of 6.05m. The total contract value is approximately at JPY20.1 Billion, with work commencing in August 2013.

One of the outstanding features of the CP104 and CP105 Shimizu JV sections is the adoption of the Shield Tunnel Boring Method to construct the tunnels, making this the first time that such a method is used in Indonesia. Tunneling work using the method started on 5th October 2015 with two tunneling machines. Both tunneling machines have continuously bored from the south side of the station, then moved into the station and finally, started boring from the north side of the station.

For greater detail, the first tunneling machine, which had started boring on 5th October 2015, reached the first station, Senayan Station, on 23rd December 2015. It reached the south side of Istora Station on 21st April 2016, then Bendungan Hilir Station on 3rd October 2016, before finally reaching the south side of Setiabudi Station on the 26th January 2017.

Meanwhile, machine No.2, started boring from the south end of the section on 10th November 2015, after having passed through Senayan and Istora Station. The tunneling machine restarted boring from the north end of Bendungan Hilir Station to reach Setiabudi Station, therefore marking the completion of the tunneling construction.

Although Indonesian engineers and workers had no experience with the Shield Tunnel Boring Method at the first stage of the project, productivity reached a high point once they picked up the knowledge and skills shared with them regarding the method. The monthly boring length per 1 machine reached the maximum of up to 400m in August 2016.

The interior, electrical and mechanical work are currently ongoing in the Senayan and Setiabudi Stations. The platforms for the Istora and Bendungan Hilir Stations are under construction as well. The overall work progress has reached 75% and the completion of the project is near in sight.

Shimizu JV has consistently managed the traffic jam potentially caused by the construction work and has kept good relationship with the affected communities by hosting sight visits for Jakarta residents and students. Shimizu JV also maintains work with safety, targeting the completion of the project in December 2018 as planned.

<< References >>

PT. WIJAYA KARYA (Persero) tbk (WIKA)

Location  :  Jl. D.I. Panjaitan Kav. 9, Jakarta 13340 – Indonesia
President  :  Bintang Perbowo, SE, MM
Capital  :  Rp 3,989,590,256,000 (in 2014)
Year established  :  1960
Annual turnover  :  Rp 12,463,216,288,000 (Year 2014)
Business  :  Construction (Infrastructures, Buildings etc.), Real Estate

PT. JAYA Konstruksi Manggala Pratama Tbk (JAKON)

Location  :  Kantor Taman Bintaro Jaya Gedung B, Jalan Bintaro Raya, Jakarta 12330 – Indonesia
President  :  Trisna Muliadi
Capital  :  Rp 1,763,392,541,289 (Year 2014)
Year established  :  1982
Annual turnover  :  Rp 4,717,079,531,523 (Year 2014)
Business  :  Construction (Infrastructures, Buildings etc.), Production of Precast Concrete, Mechanical and Electrical Works

Dimensions of the four stations

  Senayan Sta. Istora Sta. Ben. Hilir Sta. Setiabudi Sta
Length 200 m 220 m 200 m 200 m
Depth from the Ground Level 17.6 m 18.7 m 23.6 m 21.2 m
Width 20.9 – 24.9 m 21.9 – 25.9 m 20.9 – 24.9 m 21.4 – 25.4 m
Diaphragm wall
(1000mm thick)
9,934 m3 11,345 m3 11,871 m3 14,381 m3
Excavation Soil Volume 68,262 m3 87,663 m3 84,805 m3 81,390 m3
Concrete Volume 10,670 m3 11,979 m3 10,600 m3 10,676 m3

Underground stations consist of the concourse level and platform level. During the construction of the underground stations and in order to secure enough space for the construction, JV had diverted Jakarta’s traffic at busy main streets by creating wide pedestrian roads, center medians and 12 traffic lanes reaching 70m in width to ensure enough space for the construction process. The diversion efforts itself took one-and-a-half years. Specifically, JV managed to secure such space in the center of the streets without reducing number of lanes by removing 3 center medians, reducing the width of pedestrian roads and centralize the newly created space in the street.

Shimizu Corporation Profile

Head Office  :  2-16-1 Kyobashi, Chuo-ku, Tokyo 104-8370
Phone: +81-3-3561-1111 (Operator)
President and Director  :  Kazuyuki Inoue
Founded  :  In 1804 by Kisuke Shimizu
Incorporated 1937, as Shimizu Gumi, Ltd.
Renamed to Shimizu Construction Co., Ltd. in 1948
Renamed to Shimizu Corporation in 1987
Modal  :  JP Yen: 74,365 million
US $: 660,496 thousand
(US$1=¥112.59/Year ended March 31, 2016)
Employees  :  10,751(As of April 1, 2016)
Lines of Business  :  Construction, Architecture, Engineering, and Property Services

Information provided in this news release is current as of the date of publication. Please note that all such information is subject to change. Please feel free to contact us with any questions.


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