Saturday 31 December 2016

Gardens By The Bay Cast

Casting of the base slab is progressing at the station box. The base slab is completed at Entrance C, and excavation of the adjacent subway has started. Initial drive of the TBM is presumably completed.

Gardens By The Bay Station

Friday 30 December 2016

Marina South Cast

Excavation works for the station are nearing completion and falsework is visible at the center zone for the subsequent casting of the concourse level, while rebar installation for the cut and cover tunnel base slab is being done. Launching of the TBM is hindered most likely by the surface ground improvement works, making this the last project to commence any bored tunnel works.

Excavation works at the concourse level at GL10-15

Thursday 29 December 2016

Marina Bay Cast (II)

Bulk excavation works for the NSL and CCL linkways are underway. The transfer level (B3) has been cast at the station and excavation works are progressing to the upper platform level.

Excavation of Circle Line linkway

Wednesday 28 December 2016

Shenton Way Excavation

Excavation works are in full swing at the station box, with varying progress between the concourse and plantroom level (B2/B3). Excavation of LS3 is still in progress, and LS4 is being handed back to Taisei for the upper tunnel slab casting works.

Installation of gantry cranes for top-down construction of the station

Tuesday 27 December 2016

Maxwell D-walls (VIII)

A minor realignment of the Neil Road intersection took place earlier this month for the final few d-wall panel construction. RC works presumably for the concourse slab is being done at the north wall.

Maxwell Station

Monday 26 December 2016

Outram Park Excavation

Excavation and casting works are progressing at the station box.

T222 Outram Park

Havelock Excavation

Bulk excavation works for the Havelock station have finally started and should continue till the second half of 2017 for the bottom up construction of the station. Tunnelling works for the rectangular box jacking machine completed in mid November, and dismantling of the machine is in progress.

Commencement of excavation works for the station box

Thursday 22 December 2016

Great World Cast (II)

Preparations for the heavy lifting works for the lowering of the project's first Herrenknecht TBM is underway now with the arrival of the 1200t Demag mobile crane. Lowering of the TBM will be completed by Christmas and tunnelling works for the Woodlands bound drive to Orchard station should commence around the later part of 1Q17. Excavation works for the station have reached the first basement (roof) level and casting works are underway.

Unveiling of EPBM S-945 and delivery of counterweights for heavy lifting mobilization

Orchard Excavation

Excavation and casting work continues at the Orchard site.

Bulk excavation works in full swing at the cut and cover tunnel

Orchard Boulevard Cast (II)

Subsurface casting works for the Upper Concourse level is taking place at the Orchard Boulevard station.

Casting works at Orchard Boulevard

Tuesday 20 December 2016

Piling at Napier (VII)

The final stage of piling works are scheduled to complete by the end of the year. The Herrenknecht TBM has remarkably driven the 750m long mixed-ground tunnel within just 3 months from the transition to its main drive, averaging close to 6 rings a day with interventions. The TBM is slated to reach the T218 boundary by the end of the week. Excavation works at the south side of the station box are in progress.

Napier Station

Monday 19 December 2016

Stevens Diverts (III)

The next phase of traffic diversion at the station will be implemented along the southbound carriageway by the end of the month for the next phase of the diaphragm wall construction. The diaphragm wall works for entrance C/D and the escalator shaft have completed and started respectively.

Roof slab completed over the center zone for the upcoming Stage 3A traffic diversion

Sunday 18 December 2016

Mount Pleasant Excavation (IV)

Excavation works are completed at the Mount Pleasant station and RC works have commenced at the base.

Demobilization of telescopic clamshell excavators marking the end of the station box excavation

Saturday 17 December 2016

Caldecott Cast (II)

Casting works for the project continues.

Platform, tunnel walls and trackbed completed (September)

Friday 16 December 2016

Upper Thomson D-walls (IV)

The last phase of the d-wall works, together with piling works for Entrance D, have finally commenced with the full implementation of the 3rd traffic diversion scheme. Excavation works should commence by the middle of 2017.

D-wall grab mobilized back on site for the panel excavation

Thursday 15 December 2016

Piling at Bright Hill (VII)

Bored pile works at the south side of the station are completing as tunnelling works for all 4 TBMs are underway.

Realignment of westbound carriageway over the completed pile zones

Wednesday 14 December 2016

Mayflower Cast (II)

Casting works for the station have reached the platform level where all excavation works have completed. The project is currently one of the quickest along the line, with the station and entrances seemingly on track to achieve basic structural completion next year - ahead of the indicative 2018 target.

Basement roof slab completed at Entrance D

Tuesday 13 December 2016

Monday 12 December 2016

Tagore Cast (IV)

Casting of the concourse and platform structures are ongoing at Tagore.

TBM B Progress - R504 (706m, 64% completed)
TBM C2 Progress - R367 (514m, 47% completed)

Tagore C&C tunnel

Sunday 11 December 2016

Springleaf Excavation (IV)

Excavation works are ongoing at nearing completion at the station box.

Springleaf Station

Saturday 10 December 2016

Facility Building Backfill

Superstructures for the escape shafts are coming up as the TBM main drives are underway. TBM 1 and 2 are now beneath the Seletar Expressway bounded for the RTS Facility Building,  The first breakthrough of TBM 3 and 4 are expected by the next quarter.

Dismantled gantry crane, backfilling and RC works for the facility building

Friday 9 December 2016

Mandai Depot - Trackwork Begins

Commencement of the line's largest system-wide contract, led by CTCI for the design, supply, construction, testing and commissioning of trackwork and third rail system, took place this quarter with the staging ground prepared at the Mandai Depot. This is the second back-to-back trackwork project awarded to the Taiwanese contractor, with a smooth transition of resources expected from the recently completed Downtown Line 3.

Structure for the stabling yard, bus parking deck and perimeter wall mostly completed

Wednesday 7 December 2016

Woodlands South Excavation (III)

All diaphragm wall works have been completed for the project. The final section of roof slab will be constructed at the station before joining the existing bulk excavation works at the north end.

Strut installation for roof slab construction

Woodlands Cast

Bored pile works for the cut and cover tunnel have completed, and the final zone will commence strutting and excavation works. Casting of the skin wall and platform is ongoing at the station.

Shoring works at the south half of the crossover tunnel

Woodlands North Cast (II)

Casting work continues at the Woodlands North site. All ground improvement works have been cleared at the north crossover tunnel site and casting works are commencing there. To the south, casting works for the south crossover tunnel roof and walls are nearly completed. The underplatform level of the station box has been completed.

Casting ongoing at the south crossover tunnel