MOM WSH requirements
Workplace safety and electronic permit-to-work on SpatialSense
MOM requires public-sector construction projects of S$3 million and above to adopt an electronic permit-to-work system alongside vehicular safety technology. SpatialSense is the electronic permit-to-work half. Vehicle technology and cameras are separate hardware.
The requirements, and where SpatialSense fits
Each row names the rule, who it applies to and what it asks for. SpatialSense covers the electronic permit-to-work. The other rows need separate hardware.
| Requirement | Who it applies to | What it asks for | How SpatialSense helps | Status |
|---|---|---|---|---|
| Electronic permit-to-work (MOM) | Public-sector construction and construction-related projects of S$3 million and above, from 1 April 2024 | Adopt mature WSH technology, which means an electronic permit-to-work system and vehicular safety technology. | Covers the electronic permit-to-work side, from raising the permit to expiry alerts and a live dashboard. | Live |
| Vehicular safety technology (MOM) | Public-sector projects of S$3 million and above | Driver fatigue and collision detection, required alongside electronic permit-to-work. | In-vehicle and detection hardware is supplied separately. | Not covered |
| Video surveillance system (MOM) | Construction worksites with a contract value of S$5 million and above | Cameras and recorded footage on site. | Camera and recorder hardware is installed separately. SpatialSense supervises the site records alongside it. | Not covered |
Thresholds and dates are taken from the agency pages linked below, last checked on 20 October 2026. They change, so confirm with the issuing agency.
How permit-to-work runs in SpatialSense
The electronic permit-to-work, step by step.
Raised on site
The permit is created where the work happens, with the work location attached.
Approved in order
The approval chain runs in sequence and cannot be skipped.
Watched while open
Expiry alerts warn before a permit lapses, and a permit can be revoked when conditions change.
Seen at a glance
A live dashboard shows every permit in force across the site.
The same permit-to-work, elsewhere
Hong Kong's Smart Site Safety System also asks for a digitised permit-to-work for high-risk activities.
DEVB TC(W) No. 3/2023
Smart Site Safety System
The digitised permit-to-work and the centralised management platform, component by component.
BCA
Integrated Digital Delivery and site records
Site supervision records and IDD use cases on the same SpatialSense record.
Permit-to-work questions
What is an electronic permit-to-work (e-PTW) system?
An e-PTW system raises, approves, tracks and closes permits for high-risk work online instead of on paper. MOM requires one on public-sector construction projects of S$3 million and above from 1 April 2024, alongside vehicular safety technology.
Does SpatialSense meet all of MOM's mature WSH technology requirement?
Not on its own. MOM asks for an electronic permit-to-work system and vehicular safety technology. SpatialSense covers the permit-to-work. Vehicle technology is separate hardware.
Who must adopt an electronic permit-to-work?
Public-sector construction and construction-related projects of S$3 million and above, from 1 April 2024.
Does SpatialSense replace the cameras MOM requires?
No. Camera and recorder hardware is installed separately on worksites with a contract value of S$5 million and above. SpatialSense supervises the site records alongside it.
See permit-to-work on your own site
Tell us the project and the permits you run. We will show you SpatialSense against them.