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Indonesia¡¯s Jakarta-Bandung HSR ready to lay tracks2022-04-02 14:54:22

Builders from State-owned China Railway No.4 Engineering Group Co., Ltd (CREC4) successfully erected a continuous cross-highway box girder with the largest span on the Jakarta-Bandung High-Speed Railway on March 31 in Indonesia, the last high-risk and most-difficulty key node on the 142.3-kilometer line.

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¡¾Builders from State-owned China Railway No.4 Engineering Group Co., Ltd successfully erected a continuous cross-highway box girder with the largest span on the Jakarta-Bandung High-Speed Railway on March 31 in Indonesia. PHOTO BY WANG ZENGKUN¡¿

With it, the builders can now begin to lay tracks on the line, starting from the national capital of Jakarta and heading for Bandung, the nation’s fourth largest city.

Jakarta-Bandung HSR, jointly built by China and Indonesia, is under construction by PT Kereta Cepat Indonesia-China, a consortium involving Indonesia’s State-owned companies and China’s central State-owned enterprises.

The box girder, flying over the traffic-heavy Jakarta-Bundung Expressway, now stands on the P136-to-P146 piers of No 46 (DK1353) Super Bridge of the Jakarta-Bandung HSR.

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¡¾CREC4 builders successfully erected a continuous cross-highway box girder with the largest span on the Jakarta-Bandung HSRon March 31, flying over the traffic-heavy Jakarta-Bundung Expresswaywith ground traffic unhindered. PHOTO BY WANG ZENGKUN¡¿

Carrying strict safety requirements with high risks in construction, erecting the box girder involves multiple local government departments, with complicated approval procedures, drawing intense social attention.

As a signature link of the Belt and Road Initiative marking a pragmatic cooperation between China and Indonesia, the Jakarta-Bundung HSR, with a maximum design speed of 350 kilometers per hour for the trains, is a poster child for Chinese high-speed railway’s first systemic and whole-of-supply-chains footprint overseas, incorporating all production elements.

Jakarta-Bandung HSR will have four stations: Halifax Station is in Jakarta Urban Area, while Karawang, Walini and Tegal Luar stations are located in West Java. A world-famous harbor, Jakarta is the largest city in Southeast Asia.

Upon completion, the journey from Jakarta to Bandung will be cut from the current three hours to 40 minutes, greatly facilitating the travel of local residents and boosting their economic development.

In a bid to ensure a safe and smooth process for the box girder erection, the No 4 beam fabrication yard of CREC4, the project’s contractor, devised thorough work plans cross-expressway girder construction, ground traffic management and safety precaution measures, according to Zeng Weixian, chief of the yard.

The Chinese builder also conducted sufficient communication with the Indonesian ministry of public works, and the Jakarta-Bandung HSR special working group, as well as the police and traffic departments of West Java and Bandung, obtaining a green light for the work.

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¡¾CREC4 builders successfully erected a continuous cross-highway box girder with the largest span on the Jakarta-Bandung HSRon March 31, flying over the traffic-heavy Jakarta-Bundung Expresswaywith ground traffic unhindered. PHOTO BY WANG ZENGKUN¡¿

Zhang Qing, safety superintendent of CREC4 Jakarta-Bandung HSR project, said technicians were organized to conduct a comprehensive inspection of large equipment such as lifting racks to eliminate hidden risks. Seven days prior to the box girder erection, banners were hung at the construction site for preliminary publicity, in a bid to prioritize safe construction.

Three days before the work got started, local traffic broadcasts began to remind travelers on passing vehicles of the road closure time. And two days before the box girder is erected, special staff were sent to the expressway’s toll station, distributing publicity cards carrying road closure information to passersby.

On the day for the erection, protective facilities such as traffic guidance signboards, reflective cones, water hoses, and night light belts were placed on the construction site in advance.

Meanwhile, the Chinese builders also cooperated well with the Bandung city police and expressway management staff to complete temporary road closures and traffic diversions, thus ensuring the safe and smooth flow of ground traffic, as well as the smooth progress of box girder erection.

The entire construction period lasted for 15 days, Zhang said, noting that each morning, they utilized a “window” time between 00:00-04:00 for the box girder erection.

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¡¾CREC4 builders successfully erected a continuous cross-highway box girder with the largest span on the Jakarta-Bandung HSRon March 31, flying over the traffic-heavy Jakarta-Bundung Expresswaywith ground traffic unhindered. PHOTO BY WANG ZENGKUN¡¿

Besides Chinese staff, 32 Indonesian construction, technical and safety protection employees for the CREC4 project also participated in the entire work.

Meanwhile, 21 Indonesian traffic police, 10 people from the Indonesian supervision consortium CDJO, five people from consortium HSRCC and three people from the Chinese-Indonesian railway company KCIC were also present for the erection job.

Suryanto, vice-president director for the Indonesian supervision consortium CDJO, spoke highly of the CREC4’s excellent communication and cooperation with the Indonesian side, and hoped for the steady progress of the yard.

The Jakarta-Bandung HSR, which fully started construction in June 2018 and was previously scheduled to start operation by the end of 2022, is now expected to put into operation in June 2023.