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Open edge detection for construction site safety

Open edge detection alerts supervisors when a worker steps too close to an unprotected slab edge or floor opening, using the CCTV cameras already on site.

Live in under 2 weeks on your existing cameras.

Trusted on 400+ projects worldwide

  • Changi Airport Group
  • Woh Hup
  • DHL
  • Obayashi
  • Laing O’Rourke
  • Land Transport Authority
  • Rogers-O’Brien Construction
  • NatSteel
  • Up to 80% reduction in safety non-compliance
  • 50+ configurable safety, security and productivity use cases
  • <2 weeks to go live on the cameras you already own

Where do manual edge checks fall short?

A step toward an unprotected edge takes seconds. Walkrounds and spot checks only catch the moments someone happens to be there.

Detect workers near open edges across existing cameras

Mark each unprotected edge on the camera view with a safety buffer set back from it. Ailytics alerts supervisors the moment a worker steps inside the buffer.

Camera looking down a construction shaft: the unprotected front edge of a deck traced by Ailytics, and two workers standing at the edge flagged inside the safety buffer.Workers near open edge
Cam 01 · Deck edge
Workers near open edge · Cam 01Deck edge · inside the safety buffer · 14:40
Sent to the site supervisorFrame, time and location attached · 14:40
Event logged for reviewAdded to the weekly safety report
  1. Mark the open edges

    Choose the cameras and levels to watch, then mark each unprotected edge and opening with a safety buffer.

  2. Detect a worker inside the buffer

    Flag a worker who steps inside the safety buffer at an open edge.

  3. Notify with frame, time and location

    Send the site supervisor the event evidence, so they can move the worker back and check the edge protection.

  4. Log events for review

    Collect events in reports for toolbox talks, audits and edge protection reviews.

Open edge checks your team can act on

Connect your cameras, mark the edges each level needs watched, and give supervisors alerts and reports that support daily fall prevention.

Safety

Flag workers inside the edge buffer

Mark unprotected slab edges and floor openings on each camera view, with a safety buffer set back from the edge. Ailytics flags any worker who steps inside the buffer. Update the marked edges as the building changes, and set grace periods and cooldowns so one approach raises one alert.

  • Slab edges and floor openings
  • Safety buffer back from each edge
  • Grace periods and cooldowns

Camera connection

Use cameras you already own

Connect existing IP cameras and compatible recording systems through RTSP or ONVIF. Add open edge monitoring to the cameras that already overlook each level, with no sensors to fit along the edge. Coverage is assessed against your work areas and camera views.

  • Existing IP cameras
  • RTSP and ONVIF connections
  • No camera replacement

Response

Give supervisors evidence to respond

Notify the right people when a worker enters the safety buffer at an open edge. Include the event frame, time, and location so the supervisor can move the worker back and check the edge protection. Grace periods and cooldowns stop one event from sending repeat alerts.

  • Open edge notifications
  • Event frame, time, and location
  • Grace periods and cooldowns

Compliance

Find the edges that need attention

Generate safety and compliance reports on demand. Use logged open edge events to spot repeat locations, and bring the evidence into audits, toolbox talks, and edge protection reviews.

  • Reports on demand
  • Logged event evidence
  • Support for audits and toolbox talks
Alerts Incident evidence
Illustrative camera evidenceCamera 01 · Deck edge
ILLUSTRATIVE INCIDENT

Worker near open edge

Camera evidence and event details attached.

Incident reportReady
Event details
Camera evidence
Review history
Report compiled with supporting evidencePDF
Evidence → event record → reportIllustrative workflow

Frequently asked questions

What is open edge detection for construction sites?

Open edge detection uses computer vision to help keep workers away from unprotected edges. Ailytics watches existing CCTV views of slab edges and floor openings, with a safety buffer set back from each edge. When a worker steps inside the buffer, it notifies supervisors with the frame, time, and location. This adds ongoing camera monitoring to the edge protection, inspections, and fall prevention procedures your team already uses.

Can open edge detection use our existing construction CCTV cameras?

Yes. Ailytics connects to existing IP cameras and compatible recording systems through RTSP or ONVIF, which are methods for accessing video feeds. You do not need to replace your cameras. Each camera needs a clear view of the edge and the slab around it, so bring representative site footage to the demo for a coverage assessment.

How does open edge detection keep up as the building goes up?

Edges move as each level is poured and edge protection is installed or taken down. Update the marked edges and safety buffers for each camera when the layout changes, so alerts follow the current work area. Bring camera views from different stages of your project to the demo to review the setup.

Does open edge detection work in rain, dust, and low light?

Ailytics' models are fine-tuned for heavy industries and conditioned for harsh site conditions, including rain, dust, and low light, with up to 99% detection accuracy depending on the scenario. Detection still depends on usable footage and a clear view of the worker and the edge. Share examples from different shifts and weather conditions so the team can assess where your current cameras provide suitable coverage.

Can we reduce repeated open edge alerts?

Set grace periods and cooldowns per camera and person to reduce repeat notifications from the same event. Match these settings to each level and the way supervisors respond during a shift.

Can open edge footage stay on our construction site's network?

Yes. The Ailyssa detection engine can run on edge, on-premise, or cloud infrastructure. On-premise deployment allows data to stay on-site. Your IT and safety teams can review the deployment approach together, including video access, storage, network requirements, and how supervisors receive alerts. Ailytics is ISO/IEC 27001 certified. Discuss your project's requirements during the demo.

Can we combine open edge detection with other construction safety checks?

Yes. Open edge detection can sit alongside suspended load detection, PPE detection, pedestrian detection near machinery, and restricted-area alerts in the same platform. Select the checks that fit each work area and its camera coverage. See the construction industry page for how Ailytics combines safety monitoring with workforce tracking and visual progress records across a construction site.

See open edge detection on your site

Bring your CCTV views and edge protection plans. See how Ailytics can help your supervisors keep workers away from unprotected edges on every level.

Request a demo