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Lone Worker SOS · Water reservoir

Overview

Remote. Quiet.

The van is the network
The SOS button
A slip: SOS
Radio to the van
Off site by satellite
Command centre
Help is moving

Comms hub on the van

Long-range radio gatewayHears every SOS button on the site
Cellular modemUsed wherever there’s coverage
Satellite terminalUsed everywhere else

Picks the live path automaticallyHolds and forwards if all links drop

SOS panic button worn on the vest

One press sends the SOSThat is its only function
Nothing to learnNo screen, no menus, no settings
Registered to one workerControl knows whose button it is

Long-range radio Listening

SOS buttonVan gateway

SOS · button pressed
Button LW-1182
Heard by Van 04 gateway
Time-stamped

From anywhere on the siteNo towers, no phone signal

Path off site chosen automatically

Radiospillway → van
Mobile networkvan → tower
Satellitevan → sky → cloud

No link at all? The hub holds the alarm and sends it the moment one comes back.

Vehicle radio · Control → Unit 4 0:00

Case SOS-2187 logged as it happens

16:48:03SOS raisedPanic button LW-1182 pressed
16:48:04Relayed off siteRadio → Van 04 hub → satellite
16:48:05On the alarm consoleTeam chat, text, pagers alerted
16:48:17AcknowledgedA. Nguyen, operator · playbook opened
16:48:34Unit 4 dispatchedAI ranked first · one click
16:48:41Radio briefControl → Unit 4, recorded
16:55On sceneExpected

Every event time-stampedReady for investigation and audit

TOM SHAW Alarm console Command centre · Brisbane A. Nguyen · Operator AI assist online 16:48:05

Who pressed it

JM

Jess MorganField technician · Reservoir Ops · Crew 3

Button: LW-1182 · registered to J. Morgan
On shift: 07:00–17:30 · 9 h 48 m on
Supervisor: P. Walsh
Emergency contact: On file ✓
Medical notes: None recorded

Which site

Site: Reservoir Pump Station 7
Heard by: Van 04 gateway, parked inside the site geofence
Path: Radio→Van 04 hub→Satellite→Cloud
Mobile network: No coverage on site
Site hazards: Confined space · high voltage · open water

Live map · Pump Station 7

AI assist · nearest responders

Unit 4Field team · sealed road to the gate7 min
Unit 9Medic · gravel road14 min
Air 1Helicopter · on standby22 min

Site gate is open (badge entry logged). Approach from the pump station side; the spillway is wet.

Response playbook 0 / 6

Acknowledge the alarm
Alert team chat, text, pagers
Dispatch the nearest responder
Brief the crew by radio
Confirm site gate access
Notify the site supervisor

Notifications

Team chatEmergency channel16:48:05
Text4 recipients16:48:05
PagersField response team16:48:06

TOM SHAW · Lone Worker SOS · Water reservoir

Out of range.
Never out of reach.

Two minutes at a remote reservoir pump station, narrated: one press, long-range radio, satellite, the command centre, a responder on the way.

Sound on · Space to pause · ← → to jump

When a lone worker presses SOS,
help is already moving.

SOS buttonon the worker
Comms hubon the van
Satellite · cellularwhichever is live
TOM SHAW SOS cloudalarm platform
Command centreAI-assisted dispatch
Responderrouted to the site

0press

0bars of signal needed

0click to dispatch

0case, every action logged

A TOM SHAW concept walkthrough. Fictional site, people and data; illustrative only.