SINGAPORE PROJECT
ACRE WORKS J107 Edge Protection Project in Singapore
A modular clamp-based temporary edge protection solution for elevated precast viaduct works on Singapore's Jurong Region Line.
APAC supplied the Safedge system for the design and construction of Gek Poh Station, Tawas Station and associated viaduct works, helping the contractor protect exposed precast concrete edges as construction progressed. The supplied configuration combined Multi Slab Clamps, 1.2 m Safety Posts and two lengths of Mesh Barrier to provide a flexible system for changing edge conditions along the structure.
Singapore
Project Location
2021–2024
Project Period
Nearly 2 km
Edge Protection Supplied
930
Mesh Barriers
PROJECT CHALLENGE
Temporary Edge Protection for Elevated Precast Viaduct Works
The project required temporary edge protection that could follow the construction sequence without introducing an unnecessarily complicated permanent fixing arrangement along the precast viaduct edges.A System That Could Move With the Project
As construction progressed along the viaduct, the protected edge was not static. The contractor needed a system that could be installed, removed and relocated to support changing work areas. Different sections of the structure also required different protection lengths, so relying on one barrier size alone would reduce flexibility around long runs, shorter end sections and changing site conditions.- Suitable for elevated precast concrete edges
- Avoid complicated permanent fixing where possible
- Allow efficient relocation as construction progressed
- Adapt to different edge lengths and site conditions
- Maintain a modular system configuration across the project
APAC SOLUTION
A Modular Safedge Clamp-Based Configuration
APAC supplied a Safedge edge protection configuration combining Multi Slab Clamps, 1.2 m Safety Posts and 2.6 m / 1.3 m Mesh Barriers.Clamp Directly to the Precast Concrete Edge
The Multi Slab Clamp provided the fixing interface between the temporary edge protection system and the precast concrete structure. This clamp-based configuration allowed the system to be installed directly along suitable concrete edges without relying on a complicated permanent fixing arrangement. The Safety Posts and Mesh Barriers then formed the protective edge, creating a modular configuration that could be dismantled and relocated as the working area moved.
FIXING
Multi Slab Clamp
Provides the temporary fixing interface to suitable precast concrete edges and supports relocation as work progresses.
SUPPORT
1.2 m Safety Post
Forms the vertical support between the slab clamp and mesh barrier as part of the complete Safedge configuration.
BARRIER
2.6 m & 1.3 m Mesh Barriers
Two barrier lengths provide greater flexibility when protecting long straight runs, shorter sections and changing edge conditions.
SYSTEM FLEXIBILITY
Two Barrier Lengths for Changing Viaduct Edge Conditions
Using both 2.6 m and 1.3 m Mesh Barriers gave the project team more flexibility than relying on a single standard barrier length throughout the structure.
LONG RUNS
2.6 m Mesh Barriers
Longer barriers can efficiently cover extended sections of relatively continuous precast edge.
SHORT SECTIONS
1.3 m Mesh Barriers
Shorter barriers provide additional flexibility around end sections, transitions and areas where the available edge length changes.
MODULAR SYSTEM
Adapt as Construction Progresses
The two barrier lengths could be used within the same modular system, helping the contractor adapt the protection layout as site conditions changed.
PROJECT SCALE
The main quantities supplied for the project were:
Safedge System Supplied for Nearly 2 km of Edge Protection
The project required more than individual edge protection components. The supplied quantities were planned as a complete modular system using compatible clamps, posts and mesh barriers.| Component | Specification | Quantity | Function |
|---|---|---|---|
| Multi Slab Clamp | Safedge clamp-based fixing | 1,010 | Temporary fixing interface to suitable concrete edges |
| Safety Post | 1.2 m | 1,010 | Vertical support for the mesh barrier system |
| Mesh Barrier | 2.6 m / 1.3 m | 930 | Collective temporary edge protection barrier |
| Total Protected Length | Project supply | Nearly 2 km | Approximate total linear edge protection supplied |
System Quantities Should Be Planned Together
A project bill of materials should consider the relationship between fixing points, posts, barrier lengths, corners, end sections and the construction sequence rather than calculating each component independently.
PROJECT VIEW
Safedge System on the J107 Viaduct Project
The project images show how the clamp-based edge protection configuration was used along the precast concrete structure during construction.
A Repositionable System for Repetitive Viaduct Work
Viaduct construction can involve repetitive work zones progressing along a long structure. A modular temporary system allows the edge protection components to follow that construction sequence rather than remaining permanently fixed in one location. For similar projects, the correct clamp, post spacing, barrier configuration and quantity should still be reviewed against the actual structure and site requirements before supply.- Precast concrete edge condition
- Available clamp fixing position
- Required protected edge length
- Construction sequence and relocation plan
- Barrier length combination
PROJECT TAKEAWAYS
What This Project Demonstrates
The J107 project provides a practical reference for buyers evaluating temporary edge protection for elevated concrete and infrastructure applications.Temporary Clamp-Based Fixing
A clamp-based approach can provide a practical fixing method where the concrete edge and project conditions are suitable.
Flexible Barrier Configuration
Combining different barrier lengths can help the protection layout respond to long runs, shorter sections and changing structure geometry.
Modular Repeat Use
Repositionable components can support construction sequences where the protected work zone moves progressively along the structure.
Previous Projects Are a Reference, Not a Universal Specification
The J107 configuration should not automatically be copied to another project. Structural dimensions, fixing conditions, required protection length and applicable technical requirements should be reviewed before selecting a system.
PROJECT SUPPORT
Planning Edge Protection for a Similar Concrete or Viaduct Project?
Send the basic project information first. APAC can review the application before discussing the system configuration and quantities.
01
Structure
Send drawings, concrete edge dimensions or site photos showing where temporary protection is required.
02
Protection Length
Provide the approximate linear metres, construction stages or available quantity information.
03
Project Requirements
Tell us the project location and any known requirements for drawings, installation information, testing or technical documentation.
RELATED RESOURCES
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Formwork Edge Protection System
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FAQ
J107 Edge Protection Project FAQs
What edge protection system was supplied for the J107 project?
APAC supplied a modular Safedge clamp-based system combining Multi Slab Clamps, 1.2 m Safety Posts and 2.6 m / 1.3 m Mesh Barriers.Why was a clamp-based system selected?
The contractor required a temporary solution that could be installed along the precast concrete edges without a complicated permanent fixing arrangement and relocated as the construction work progressed.Why were two mesh barrier lengths used?
The 2.6 m and 1.3 m barrier lengths provided flexibility for longer runs, shorter end sections and changing edge lengths along the structure.How much edge protection was supplied?
The project supply included 1,010 Multi Slab Clamps, 1,010 Safety Posts and 930 Mesh Barriers, covering nearly 2 km of total linear edge protection.Can the same Safedge configuration be used on another project?
It may provide a useful reference, but the actual fixing condition, concrete dimensions, barrier layout, quantities and technical requirements should be reviewed for each project before the system is selected.Need Edge Protection for a Similar Infrastructure Project?
Send us your structural drawings, site photos, required protection length or bill of quantities. APAC can review the fixing condition, system configuration and supply requirements with you.