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Worker & asset visibility where GPS gives up.
ZAM-TEK deploys industrial RTLS (real-time location systems) built on Velavu tags and the Wirepas Massive self-healing mesh — for oilfields, underground mines, nuclear construction, ports, and EPC megaprojects where GPS, WiFi, and cellular cannot reach or are not approved. Use cases: mustering and evacuation accountability, geofence breach alarms, lone-worker safety, and tool, container, and equipment tracking. The mesh needs no infrastructure cabling, offers ATEX Zone 1/2 options for hazardous areas, and every deployment is pilot-first: survey in week 1, working pilot zone in month 1, scale on measured evidence.
What the system tracks
Mustering & evacuation
Live headcount at muster points during an evacuation — replacing radio calls and manual roll calls with a dashboard that shows who is still inside the zone.
Geofence breach alarms
Restricted zones become enforceable: the moment a tag crosses a boundary, the alarm fires — with the who, where, and when logged for HSE review.
Lone-worker safety
Workers in isolated areas stay visible to the control room, so response time stops depending on someone noticing an absence.
Tools & containers
Tags on tools, containers, pumps, and vehicles end the search time — where it is, where it was, and whether it left the site.
Equipment utilization
Location history becomes utilization facts: which assets earn their keep and which sit idle — evidence before the next procurement round.
HSE & ERP feed
Location events flow into your existing HSE, access control, and maintenance systems via API — your systems of record stay in place.
How does the mesh self-heal?
Every tag is a router
In a Wirepas Massive network, every tag can route messages for its neighbors. There are no fixed routers to cable and no single points of failure — the tags themselves are the infrastructure.
- No infrastructure cabling across the site
- Routes form and reform automatically
- Network densifies as tags are added
Built for hostile RF
When a node moves, fails, or is shielded by steel and concrete, traffic re-routes around it automatically. Underground drifts, steel-dense plants, and RF-restricted zones keep coverage that WiFi and cellular cannot sustain.
- Underground and steel-dense environments
- RF-restricted and nuclear-controlled areas
- ATEX Zone 1/2 tag options for hazardous areas
System profile
| Topology | Self-healing mesh |
| Routing | Every tag routes |
| Cabling | None required |
| Failure mode | Automatic re-route |
| Personnel | Worker & lone-worker tags |
| Assets | Tools · containers · vehicles |
| Hazardous | ATEX Zone 1/2 options |
| Environments | Underground · RF-restricted |
| Model | Pilot-first rollout |
| Week 1 | Walkdown + RF survey |
| Month 1 | Live pilot zone + KPIs |
| Evidence | Procurement pack included |
Deployment timeline
Walkdown & RF survey
Site walkdown, RF survey, workflow mapping, and a one-page deployment outline: coverage assumptions, tag classes, gateway count, integration points, and a bill of materials.
Working pilot zone
One operational zone goes live with real tags, gateways, dashboards, and KPI reporting — plus stakeholder training and the procurement evidence pack for your tender.
Scale on evidence
Full rollout starts only after pilot KPIs are measured. Then scaled deployment, maintenance handover, training, and recurring KPI reporting.
Answers, up front
What is RF-safe RTLS?
RF-safe RTLS is real-time location tracking designed for environments where WiFi, GPS, and cellular are restricted, unreliable, or not approved — underground mines, steel-dense plants, nuclear-controlled areas, desert oilfields. ZAM-TEK delivers it with Velavu tags on a Wirepas Massive self-healing mesh.
Does the system require WiFi or cellular coverage?
No. Wirepas Massive creates a self-healing mesh where every tag can route messages, with no infrastructure cabling. That is why it keeps working in RF-restricted, underground, and remote industrial environments.
Can RTLS work in ATEX hazardous areas?
Yes. ATEX Zone 1/2 tag options exist for hazardous areas such as oil and gas facilities, so worker tracking and mustering extend into zones where ordinary electronics are not permitted.
How fast can ZAM-TEK scope an RTLS deployment?
A technical scoping call takes 20 minutes, and a one-page deployment outline follows within one working week — coverage assumptions, tag classes, gateway count, integration points, compliance risks, and procurement inputs.
Can RTLS integrate with existing HSE and ERP systems?
Yes. The model is integration-first: keep your HSE, ERP, access control, CCTV, and maintenance systems as the systems of record, and connect location telemetry only where it improves operational decisions.
Map your site to a pilot zone.
Send the site type, headcount, and the zones that matter — we reply with a scoping path within one working day, and a deployment outline within a week.