Jakarta LRT Phase 1B Construction Enters Girder Beam Removal Stage
Construction of the Jakarta LRT Phase 1B is currently at 10.4291 percent and the "test track" is targeted to be carried out in September.
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Construction of the Jakarta Phase 1B Velodrome-Manggarai LRT project
JAKARTA, KOMPAS — The construction of the Jakarta Phase 1B LRT (light rail transit) project has begun lifting the girder beams at their supports. It is targeted that by September 2024 a test track can be carried out, namely that the train can run from Velodrome Station to Rawamangun Station.
President Director of PT Jakarta Propertindo (Jakpro) Iwan Takwin said that currently the construction of the LRT Jakarta Phase 1B with a 6.4 kilometer (km) route connecting the Velodrome-Manggarai has entered its second week. -31. This LRT project has fulfilled the development percentage of 10.4291 percent, which indicates a positive deviation from the overall Jakarta LRT project plan.
"In this 31st week, the construction of LRT Jakarta Phase 1B has reached one of the important milestones, namely erection girder (lifting the girder beam to its support), "which was carried out for the first time on April 20 2024," said Iwan, Monday (29/4/2024).
Also read: LRT Jakarta Needs Additional 10 "Trainsets" to Optimize Operations
The girder is one of the main supporting structures for the track of the Jakarta LRT train. Iwan explained that the first girder lifting was carried out in the Pemuda Street area, Rawamangun, precisely in the P06-07B span area, which is adjacent to Jakarta International Velodrome (JIV) and Mall Arion. The girder used is the PCU girder type with a length of 31.5 meters, where each span will use two PCU girders to support the two rail lines that will be built in the next phase.
Before the process of lifting the girder, the Jakpro team (Perseroda) assisted by the Project Management Consultant (PMC) and contractor, thoroughly analyzed the safety and risk related to the lifting method.
Jakarta LRT users from Velodrome LRT Station, Rawamangun, Pulo Gadung, East Jakarta, Saturday (11/2/2023).
"After that, certification of the lifting equipment is carried out in the form of non-destructive test (NDT) and wire sling checks by the assessment team of the Occupational Safety and Health Services Company (PJK3) of the Manpower Service. DKI Jakarta," said Iwan.
The girder lifting process is carried out using two crawler cranes, each with a capacity of 275 tons, which are placed on both sides of the girder (P06B and P07B). Then the girder that has been stretched between the two is lifted from ground level to the top of the main column head.
Overall, the preparation process until the girder removal uses a window time, namely 22.00-04.30 WIB. The lifting process itself only takes around 30 minutes to 1 hour per girder.
The type of girder used is PCU girder with a length of 31.5 meters, where each span will use two PCU girders.
Iwan stated that safety aspects have always been the main point in the Jakarta LRT project, including the girder lifting works. In addition to equipment readiness, traffic engineering is also carried out in the lifting area.
"In this process, the Jakpro team also involved the Indonesian Police's Traffic Unit and the Jakarta Transportation Department to ensure the smooth flow of traffic," said Iwan.
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The construction of Jakarta's LRT Phase 1B, which covers the route from Velodrome to Manggarai, has begun since the laying of the first stone at the end of October 2023. The construction will take three years to complete.
After the girder lifting process, the next construction phase is the diaphragm or connecting two girders to make one building structure. After this stage is complete, the next step will be construction of the slab deck which will become the work floor for track work, such as installing sleepers and rails. tracks.
Iwan stated that once completed, the Jakarta LRT Phase 1B project costing up to Rp 5.5 trillion from the Jakarta provincial budget will connect Velodrome-Manggarai with a stretch of 6.4 kilometers and will consist of five stations, namely Rawamangun Station, Pramuka BPKP Station, Pasar Pramuka Station, Matraman Station, and Manggarai Station.
After the completion and operation of Phase 1B construction, LRT Jakarta will have 11 stations with a track length of 12.2 kilometers that can be traveled in 26 minutes.
According to Iwan, in addition to improving inter-regional connectivity, the development of LRT Phase 1B also has the potential to increase the competitiveness of Jakarta city while providing economic impacts. For example, an increase in income for residents around the station will follow the increasing activities of the community in the surrounding area.
Also read: Don't chase Jakarta 1B LRT construction
Regarding this project, Chairman of the Transportation Forum for Roads and Railways of the Indonesian Transportation Society (MTI), Aditya Dwi Laksana, stated that upon examination, the LRT Jakarta Phase 1B route is much more complex compared to the Phase 1 route from Velodrome to Kelapa Gading. The level of mobility density and traffic in the Velodrome to Manggarai route differs from the level of mobility density and traffic in the Velodrome to Kelapa Gading route.
In Phase 1B from the Velodrome to Manggarai, according to Aditya, there were quite a lot of obstacles. Starting from the density on Jalan Pramuka, Jalan Pemuda, Jalan Tambak, then there is a flyover and underpass in Matraman, there is also a by pass on Jalan Pemuda. With the complexity mentioned, he asked PT Jakpro not to rush into broadcasting in Phase 1B development.
"The most important thing is the study and planning, traffic environmental impact analysis, traffic management, and traffic engineering," said Aditya (Kompas.id, 19 June 2023).
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The atmosphere of the Jakarta LRT phase 1B construction project for the Velodrome-Manggarai route on Jalan Pemuda, Rawamangun, East Jakarta, Saturday (16/12/2023).
Hope it will be finished soon
A number of residents, both from Jakarta and outside of Jakarta, also hope for the timely completion of the Jakarta LRT Phase 1B development project. Vella Intan (22), a student at the State University of Jakarta (UNJ) from Bogor, West Java, is eagerly awaiting the completion of the new LRT Jakarta route construction.
To get to UNJ, Vella commutes from Bogor every day using the train. She gets off at Manggarai Station and then transfers to Transjakarta to get to Velodrome Bus Stop. With the existence of LRT, the travel time to her campus will be faster because she won't get stuck in Transjakarta traffic.
"If it is already operational, we can use the LRT from Manggarai as a transit from the KRL train station to go to college. If we use the LRT, we can rest comfortably during the journey," he continued.
Also read: ”Groundbreaking” LRT Jakarta Phase 1B Velodrome to Manggarai
Vella hopes that with the operation of the new LRT route in Jakarta, residents of Jakarta and its surrounding areas can use public transportation as their daily mode of transportation. In addition to reducing traffic congestion, public transportation is also a solution to reduce pollution.
East Jakarta resident, Ihsan Satria (27), said the LRT could be a public transportation option for people who often go to Rawangun for activities.
"My hope is that this phase of the Jakarta LRT can be completed quickly, so there is a transportation option to UNJ or the Rawamangun area. I work in Rawamangun and commute from Grogol to Rawamangun every day. With the LRT, I can just take the train," he said.
The development of the entire Jakarta LRT Phase 1B is targeted to be completed by 2026. Meanwhile, Acting Governor of DKI Jakarta, Heru Budi Hartono targets that the Jakarta LRT Phase 1B can be completed up to Pemuda Station by 2024.
