A track record built on disciplined delivery
Proven delivery across tunnel strengthening, condition assessment, station rejuvenation and bearing replacement — from monitoring and analytics to repair, strengthening and renewal.
Featured Projects Across Rail &
Urban Infrastructure
A selection of relevant project references drawn from
Custera’s and our shareholders’ track records across
rail and urban infrastructure.

Singapore · By Shanghai Tunnel Engineering Co (Singapore)
Segment Repair & Steel Ring Reinforcement
Segment repairs, steel ring reinforcement and light-impact grouting on Singapore MRT tunnel assets.
REPAIR & STRUCTURAL STRENGTHENING

Singapore · By Shanghai Tunnel Engineering Co (Singapore)
Tunnel Scanning
3D laser scanning with 8K HD lining imaging for approximately 300km of underground MRT Tunnels in Singapore.
Condition Assessment

Shanghai Metro · Line 7
By Chengdun SuiAn Engineering
Steel Ring Reinforcement
Steel ring reinforcement for tunnel segments exceeding ovalisation of
10 cm, restoring geometry and arresting deformation.
REPAIR & STRUCTURAL STRENGTHENING

Nanchang Metro · Line 1
By Chengdun Sui An Enigneering
322 tunnel rings in one year
Installation of 322 tunnel rings within a single year, carried out during engineering hours with minimal service distruptions.
Repair & Structural Strengthening

Shanghai Metro · Zhanghuabing Station
By Shanghai Urban Operations Group
Steel roofing replacement
Replacement of steel roofing systems completed in 171 hours under full closure, with the balance under live operations.
STATION REJUVENATION

Shanghai Metro & Pudong Airport
By Shanghai Urban Operations Group
10,000+ bearing replacement
Over 10,000 elastomeric, pot and spherical bearings replaced in Shanghai
BEARING REPLACEMENT
