Deep Tunnel Sewerage System, Phase 2
Tunnel lining, shaft and mined adit design, with geotechnical supervision.
Projects & track record
Engineering contributions to Singapore’s transport, water and airport infrastructure.
These selected projects show the scope of SGT’s consultancy work. Project owners, contractors and SGT’s role are listed separately within each profile.
Changi East inter-terminal tunnels
Temporary works and design checking to support bored tunnel construction.
Tuas Water Reclamation Plant
ERSS design and supervision for water treatment infrastructure.
Riviera Interchange Station & Tunnels
Temporary works supporting TBM operations on the CRL–Punggol Extension.
Turf City Station & Tunnels
TBM thrust frames, launch systems and temporary works for the Cross Island Line.
Tampines North to Defu tunnels
Tender design of segmental lining, adits and cross passages for the Cross Island Line.
Full project register
SGT’s supplied track record, dated October 2026. Dates and roles below refer to that record; “present” means the reporting date.
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2025
2025–present
Changi East Megaspine, T5C Advance Works & Ventilation Building
ERSS design consultancy for the ventilation building.
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2024
2024–present
P103 · Riviera Interchange Station & Tunnels
Bored tunnel temporary works, TBM facilities, conveyor assessment and lifting foundations.
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2024
2024–present
CR203 · Turf City Station & Tunnels
Temporary works for TBM launching, operation and dismantling.
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2024
2024–present
P102 · Elias Station & Tunnels
Temporary works consultancy, including TBM thrust frame design.
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2024
2024–present
CR211 · Jurong Lake District Station & Tunnels
QP geotechnical supervision.
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2023
2023–present
CR202 · Fairways Drive to Sin Ming Walk
Bored tunnel temporary works, TBM facilities and invert cast bridge.
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2023
2023–2024
CR203 · Turf City Station & Tunnels (tender)
QP tender design for tunnel lining, cross passages, TBM parameters and impact assessment.
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2022
2022–present
CR111 · Defu Station & Tunnels
QP geotechnical supervision.
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2022
2022–2024
CR102 · Aviation Park Station to Depot
Temporary works consultancy and segment precast yard substation design.
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2021
2021–2026
C3A · Tuas Water Reclamation Plant
Structural design of buried pipes, thrust blocks and fire hydrant pipe works.
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2021
2021
T215 · Mount Pleasant Station & Tunnels
Segment lining joint checks and cross-passage construction support.
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2020
2020–2023
Changi East inter-terminal bored tunnels
Temporary works, temporary-loading checks and BHS precast invert slab design.
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2020
2020–2025
C3C · Tuas Water Reclamation Plant
ERSS design and supervision, and piling instrumentation and monitoring design.
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2020
2020–2021
CR110 · Tampines North to Defu
Tender design of tunnel segmental lining, adits and cross passages.
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2019
2019
Contract 715 · North East Line Extension
Design checking of bored tunnel segment lining joints.
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2018
2018–2024
T11 · Deep Tunnel Sewerage System Phase 2
QP geotechnical supervision; segmental lining, shafts and mined adit design.
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2018
2018–2019
C883 · Cantonment Station, Circle Line 6
Underpass pipe-roofing tunnel design for Entrances A and C.
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2018
2018–2019
C1A · Tuas Water Reclamation Plant
Temporary entrance structure and shaft construction temporary works.
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2018
2018
T206 · Thomson–East Coast Line
ERSS design for water-holding facilities and enabling works.
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2018
2018
T10 · Deep Tunnel Sewerage System Phase 2
ERSS design for electrical works.
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2018
2018–2021
Pulau Tekong polder
Geotechnical bearing-capacity assessment for PVD machine.
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2018
2018–2020
Temporary Jurong East Bus Interchange & Pedestrian Overhead Bridge
Temporary works design and construction support.
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2018
2018–2019
Sumang Walk public housing development
Temporary works design and construction support.
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2018
2018–2020
70 Anson Road commercial building
Temporary works design and construction support.
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