 |
| 21 March 2024 - An aerial view of Boon Lay station as at end-Q1 2024. |
The Boon Lay Jurong Region Line (JRL) will be one of the tallest when completed in 2027, with the station spanning across 4 levels. Over the past quarter, works have progressed on the station's superstructure, quickly gaining height on both the northern and southern sections. The two sections will eventually meet in the middle, right atop of the existing East-West Line (EWL) viaducts. Elsewhere along contract J106's construction sites, work has been underway to complete the gaps in the viaduct spans where the movement expansion joints are located. More details can be found after the jump.
JRL's Boon Lay station will consist of 4 levels when completed - street level, the lower concourse level, the upper concourse level and the platform level. As the station straddles the existing EWL viaduct, the building is being built around the viaduct and will eventually envelope the existing railway, located at the second level. In view of this, the station site is currently divided into a northern and southern half, which will eventually be connected together at the third level. Both sides have made quick progress over the first quarter of the year.
 |
| 21 January 2024 - An aerial view of Boon Lay station in early-Q1 2024. |
 |
| 29 February 2024 - An aerial view of Boon Lay station in mid-Q1 2024. |
 |
| 21 March 2024 - An aerial view of Boon Lay station in end-Q1 2024. |
The northern half of the station has made progress with works focused on completing the second level's slab. Through the quarter, casting work has expanded the completed area of the second level atop large beams that use a portal design to straddle across the future alignment of Jurong West Street 64. The need for large beams to support the weight of the station above involves a longer process for the installation of rebar and subsequent concrete casting.
 |
| 11 January 2024 - A view of the northern half of the station building from street level in early-Q1. |
 |
| 11 January 2024 - An aerial view from the south of the second level slab works in early-Q1. |
 |
21 January 2024 - A view of ongoing works from street level, just outside Jurong Point, in
early-Q1. |
 |
| 21 January 2024 - An aerial view of the second level slab works underway in early-Q1. |
 |
| 21 January 2024 |
 |
| 21 January 2024 |
 |
18 February 2024 - A view of the completed beam for the second level slab, which will span
across the future Jurong West Street 64 when reinstated. |
 |
| 18 February 2024 - The second level slab being cast in stages as of mid-Q1 2024. |
 |
18 February 2024 - Rebar works in progress for further beams that will support the second level
slab in mid-Q1 2024. |
 |
| 18 February 2024 |
 |
| 29 February 2024 - A view of the northern half of the station building from street level in mid-Q1. |
 |
| 29 February 2024 |
 |
| 29 February 2024 - An aerial view of the supports for the station in mid-Q1 2024. |
 |
| 29 February 2024 - Concrete casting underway for the second level slab & columns. |
 |
| 29 February 2024 |
 |
| 29 February 2024 |
 |
29 February 2024 - A close up view of the second level slab, where interfaces for the connecting
linkbridges for the station's exits can be seen. |
 |
| 29 February 2024 - Rebar works in progress further south. |
 |
| 29 February 2024 - An aerial view of the rebar works in progress further south. |
 |
| 17 March 2024 - A view of the northern half of the station building from street level in end-Q1. |
 |
| 17 March 2024 |
 |
| 17 March 2024 - An aerial view of rebar works ahead of casting in the northern half. |
 |
17 March 2024 - A view of columns cast at the second level slab. Scaffolding is in place to
support rebar installation and subsequent casting of the next level. |
 |
| 17 March 2024 - A view of the northern half of the station building from street level in end-Q1. |
 |
17 March 2024 - An aerial view of the section with casting completed and other areas where
rebar installation is ongoing. |
 |
| 17 March 2024 |
In comparison, the southern half of the station uses a different design for supporting the station structure above the road. Work here has progressed to the third level slab over the first quarter of the year as the thicker beams are not required on this side of the station.
 |
| 11 January 2024 - A view of the station piers and completed second level slab from street level. |
 |
| 11 January 2024 - An aerial view of the progress made at the southern half of the station in early-Q1. |
 |
| 11 January 2024 - A close up view of the second level slab. |
 |
11 January 2024 - As the station building nears the existing EWL viaducts, the second level
slab stops short. |
 |
| 11 January 2024 - An overview of the southern half of the JRL station from the south. |
 |
| 11 January 2024 |
 |
| 29 February 2024 - A view of the southern half of the station from the existing EWL station. |
 |
29 February 2024 - The southern half had progressed to begin rebar installation work for the third
level slab. |
 |
| 29 February 2024 - Work beginning on the third level slab. |
 |
| 29 February 2024 |
 |
| 21 March 2024 - Casting has begun for the third level slab. |
 |
21 March 2024 - A view of the southern half of the JRL station from the existing EWL
station's platform. |
 |
21 March 2024 - Additional station piers located between the two existing EWL viaducts,
seen from the EWL station platform. The transfer linkway will be located here. |
 |
| 21 March 2024 - Another view of the southern half of the station in end-Q1 2024. |
 |
| 21 March 2024 |
Besides the station building, contract J10 also involves the construction of a stretch of viaduct approximately 1km long. The majority of the viaduct section is located to the north of the station and has seen progress over the past quarter with multiple viaduct spans being completed and levelled off ahead of bonding with epoxy. Closer to the station, works are still in progress for assembling the precast crossheads and launching of viaduct segments to form the spans. A number of gaps still remain, where movement expansion joints are located.
Work has begun this quarter on launching of the viaduct segments to be supported by the movement expansion joints. Large steel trusses are installed around the pier to support the viaduct segments as they are launched. Additionally, parapet wall segments have also been delivered to site for installation on the completed viaduct span sections.
South of the station building, the viaduct covers a section spanning 3 piers. Work has been underway to construct the third pier, with the other 2 largely completed. Similar works such as the installation of precast crossheads has been carried out and segment launching had begun from one of the piers.
 |
21 January 2024 - A view of viaduct piers north of the station building. Precast crossheads are being
used for these piers immediately north of the station. |
 |
| 21 January 2024 - Another view of the piers immediately north of the station building. |
 |
21 January 2024 - Installation of the precast crosshead underway for one of the movement
expansion joints, near the junction with Jurong West Central 3. |
 |
| 21 January 2024 - Progress of works for the viaduct near the junction with Jurong West Central 3. |
 |
| 21 January 2024 |
 |
| 29 February 2024 - Progress of works near the junction with Jurong West Central 3 in mid-Q1. |
 |
| 29 February 2024 - Segment launching has begun for one of the piers. |
 |
| 21 March 2024 - A view of the progress near the junction with Jurong West Central 3 in end-Q1. |
 |
21 March 2024 - Tensioning works have been completed for the movement expansion joint pier
crosshead near the junction with Jurong West Central 3. |
 |
21 March 2024 - The hanger beam is still attached to the pier crosshead. It will eventually be
switched out with a launching frame. Behind the pier, preparation work is in progress for the
installation of precast crosshead for the next pier. |
 |
| 21 March 2024 |
 |
21 January 2024 - An aerial view of the piers south of the JRL station. The movement expansion
joint pier represents the contract boundary with contract J111 to the south. |
 |
| 21 January 2024 - A close up view of 2 of the 3 piers under contract J106 south of the JRL station. |
 |
| 21 January 2024 |
 |
29 February 2024 - The third pier column can now be seen cast and awaiting installation of the
precast crosshead. |
 |
| 29 February 2024 |
 |
21 March 2024 - Installation of the precast crosshead has begun for the final pier under contract
J106 located south of the JRL station. A lifting frame is also present on another pier for the
Jurong Pier bound trackway. |
 |
| 21 March 2024 |
 |
| 21 March 2024 |
 |
| 11 January 2024 - A view of the northern section of viaducts under contract J106. |
 |
21 January 2024 - The viaduct spans near Frontier CC at the junction with Jurong West Central 3.
Segment launching has begun for the final span with segments directly bonded to the pier crosshead. |
 |
21 January 2024 - Work on the final span with segments directly bonded to the pier crosshead
underway. |
 |
| 21 January 2024 - Viaduct spans north of the junction with Jurong West Central 1. |
 |
21 January 2024 - A completed section of viaduct spans. This is where the crossover north of
Boon Lay station will begin. On the left-most pier, a wall between the two trackways can
be seen, to be connected with parapet walls to be installed. The section of viaduct to the right of
this wall will be slabbed over for tracks to be laid atop, with the crossover allowing trains to switch
from one trackway to the other. |
 |
21 January 2024 - Viaduct spans to the north. Gaps still remain where the movement expansion
joint piers are located as segment launching here requires a more complicated process. |
 |
21 January 2024 - Levelling beams, in blue, can be seen. These are used to ensure that sections
of viaduct span being stitched/bonded together are aligned as closely as possible on the horizontal
plane before epoxy is applied to join the two sections together. |
 |
| 21 January 2024 |
 |
21 January 2024 - Work underway to assemble the large steel truss for segment launching at the
movement expansion joint pier. |
 |
| 21 January 2024 - An aerial view of the works to install the steel truss. |
 |
| 21 January 2024 - Launching works near the two portal piers at the northern end of the contract. |
 |
| 21 January 2024 - A small gap of approximately 2 segments remains. |
 |
| 21 January 2024 |
 |
29 February 2024 - A view of the northern-most pier under contract J106. This also represents
the contract boundary with contract J105 and the pier will be handed over to the neighbouring
contractor for segment launching works on their end. |
 |
| 29 February 2024 - The gap of 2 segments since completed as the viaduct runs southwards. |
 |
| 29 February 2024 - Installation of the steel truss still underway. |
 |
| 29 February 2024 - Parapet segments delivered on site. |
 |
| 29 February 2024 - A view of the viaduct segment launching near Frontier CC. |
 |
29 February 2024 - Lifting frames have replaced the hanger beams for the last section of
viaduct that is directly suspended from the pier crosshead. |
 |
21 March 2024 - The completed viaduct span next to Frontier CC, seen from the junction with
Jurong West Central 3 in end-Q1. |
 |
| 21 March 2024 |
 |
| 21 March 2024 - The completed section of viaduct near the northern-most portal piers. |
 |
21 March 2024 - Segment launching has begun for the first of several movement expansion
joint piers. |
 |
| 21 March 2024 - Levelling beams in place at the northern end of the viaduct section. |
 |
21 March 2024 - A view of the completed viaduct spans with gaps remaining near the
movement expansion joint piers in end-Q1. |
 |
| 21 March 2024 - Another view of the segment launching at the movement expansion joint pier. |
 |
| 21 March 2024 |
 |
21 March 2024 - Markings on the parapet walls indicate the trackway and location to be installed.
The date in which the parapet wall section was cast is also indicated. |
 |
| 21 March 2024 |
The progress made at contract J106 is reassuring that basic structure completion can be attained for the contract next year. Following the completion of the missing gaps where movement expansion joints are located, viaduct works should be moving towards parapet wall installation and other track-related installation works. Residents in the area should be able to expect the roadways to clear up significantly in the later half of the year, once most of the viaduct segment launching works are completed along Jurong West Street 64.
This post is also available on Instagram & Facebook.
Great writeup!
ReplyDelete