Smart Construction Site · Personnel Positioning Management

Construction Site Personnel Positioning Management System
Hard-Hat Positioning + Health Monitoring Integration

Workers wear hard-hat positioning terminals (hat cards) for real-time positioning at 1–2 m accuracy, combined with Bluetooth wristbands for real-time monitoring of body temperature, heart rate and other health parameters. Offering flexible LoRa/4G dual-version networking, with the platform integrating work-permit management, electronic fencing and multi-dimensional alarms to fully meet smart construction-site regulatory requirements.

1–2 mReal-time Positioning Accuracy
LoRa / 4GTwo Versions, Select as Needed
SOSOne-Touch Alarm & Help
❤️ Body Temperature & Heart RateBluetooth Wristband Health Monitoring
Smart Construction Site Personnel Management - Scene Illustration
01 / WHY

Why Is Construction-Site Personnel Management So Hard?

Too many workers to manage, and people cannot be located when something happens

👥

Large headcount, hard to grasp dynamics

Construction sites have high worker turnover and mixed crews; who is on-site, who is in a hazardous area, and how many are at each work face cannot be managed by roll call and visual inspection alone.

⚠️

Hazard Zones Rely on Self-Discipline

Deep foundations, edges, blasting zones and other hazardous areas lack technical controls, so unauthorized entry or lingering cannot be detected and warned in time.

🚑

Slow Emergency Response

When a worker falls suddenly ill or is in danger, location and rescue cannot be obtained immediately; high-temperature work health risks (heat stroke, etc.) lack pre-event monitoring.

02 / TWO VERSIONS

LoRa / 4G Dual Versions, Flexible Selection by Project Scale

Same hard-hat positioning terminal, two backhaul methods, adapting to different sites

📳 4G Version

For: small and medium sites with ≤ 50 workers
Construction Site ⛑️ ⛑️ Hat card has built-in 4G for direct internet access ☁️ Cloud Platform Via carrier 4G network
  • Hat card has built-in 4G module, data transmitted directly to cloud platform
  • No LoRa base station deployment required, ready to use out of the box
  • Lowest initial investment, suitable for rapid deployment
  • Each card requires an IoT SIM (data fee applies)
  • Traffic cost and concurrency pressure rise with headcount
Recommended · Medium and Large Sites

📡 LoRa Version

For: medium and large sites with > 50 workers
Construction Site ⛑️ ⛑️ ⛑️ 📡 LoRa Base Station Deployed at high points of the site ☁️ Platform 4G / Ethernet
  • Hat cards backhaul uniformly to the base station via 470 MHz LoRa
  • One base station accommodates all personnel, the larger the scale, the more cost-effective
  • LoRa is free of traffic fees, low long-term operating cost
  • Base station at a high point, covering the whole site signal
  • Can be extended with relays, no dead zones in complex terrain
💡 Selection Advice:Personnel ≤ 50 → choose4G Version, skip the LoRa base station for simplest deployment and lowest cost; personnel > 50 → chooseLoRa Version, one private network covers everyone, no traffic fee, more economical long-term. Both versions have identical platform functions and can be switched smoothly as the project scales.
03 / ARCHITECTURE

System Architecture

Wristband → hat card → base station/4G → platform; health data rides along with positioning for backhaul

Construction Site Backhaul Link (choose one of two) Cloud Platform Management Console 👷 Workers ⛑️ Hat Card MK31 ⌚ Bluetooth Wristband Body Temperature · Heart Rate Monitoring BLE 👷 More Workers… ⛑️ Hat Card MK31 Positioning accuracy 1–2 m 🚐 SOS One-Touch Alarm 📡 LoRa Base Station LoRa Version · >50 people High-point full-site coverage Free of traffic fees 📳 4G Direct Transmission 4G Version · ≤ 50 people Hat card built-in 4G No base station deployment ☁️ Smart Construction Site Positioning Management Platform Real-time positioning 1–2 m Work Permit Management Electronic Fence Multi-dimensional Alarm Engine Health Monitoring Dashboard Attendance / Man-hour Statistics 💻 Web Large Screen 📱 Mobile App 🔔 Alarm Push 📋 Report Export LoRa Version: hat card → base station → platform 4G Version: hat card directly connects to platform
Health data rides along:The Bluetooth wristband sends body temperature, heart rate and other data via BLE to the same worker’s hat card, which reports it together with positioning data over LoRa/4G—health monitoring adds no extra networking cost.
04 / PRODUCTS

Core Hardware

Hard-Hat Positioning Terminal + Bluetooth Health Wristband + LoRa Base Station (LoRa version)

Hard-Hat Positioning Terminal MK31
Personnel End · Core Terminal

Hard-Hat Positioning Terminal (MK31)

Hat-card form, LoRa / 4G dual-version optional, 1–2 m class positioning
  • Real-time positioning accuracy 1–2 m
  • 🚐 SOS One-Touch Alarm & Help
  • 🔊 Voice Alert (boundary/alarm broadcast)
  • 🔋 Low-battery alert, no loss of tracking during battery swap
  • Bluetooth-connected wristband, collects health data on its behalf
  • Rugged and durable, fits hard-hat installation
Bluetooth Health Wristband
Health End · Optional

Bluetooth Health Wristband

Real-time monitoring of body temperature and heart rate, data forwarded to the hat card via Bluetooth
  • Real-time body temperature monitoring, high-temperature heat-stroke warning
  • Real-time heart-rate monitoring, automatic alarm on abnormality
  • Bluetooth BLE transmission, ultra-low power
  • Wristband displays time/heart rate, perceivable by workers
  • Wristband wear, light and comfortable without hindering work
LoRa Base Station
LoRa Version · Networking Core

LoRa Base Station (Gateway)

Deployed at high points of the site when >50 people, all hat cards connect uniformly
  • High-gain antenna, full-site signal coverage
  • Multi-channel concurrency, hundreds of people connected simultaneously
  • Uplink 470 MHz LoRa, free of traffic fees
  • Backhaul to cloud platform via 4G/Ethernet
  • Wall-mount/pole-mount installation, IP67 protection
LoRa Relay TCS01
LoRa Version · Optional Extension

LoRa Relay (TCS01)

Signal-weak areas such as deep foundations and tunnel mouths, extended coverage via supplementary nodes
  • Signal relay, eliminating coverage dead zones
  • IP67 industrial protection, long-term field deployment
  • -20℃ ~ +60℃ wide-temperature operation
  • 3.7V power supply, low-power design
  • Supports multi-level cascading for flexible expansion
05 / PLATFORM

Core Platform Functions

Tailor-made for smart construction sites, ready to use out of the box

🆘

SOS One-Touch Alarm

Worker presses the hat card SOS key for instant reporting; platform popup + located position, linking nearby rescue

📋

Work Permit Management

Hot-work, high-altitude, confined-space and other work permits applied and approved online, verified in conjunction with personnel positioning

📍

Electronic Fence

Hazardous and work areas electronically delimited; real-time alarm on personnel crossing or straying in

❤️

Health Monitoring

Real-time dashboard of body temperature and heart rate; automatic warning beyond thresholds, preventing heat stroke and sudden illness

🕘

Attendance and Man-hour Statistics

Automatic check-in/check-out records; attendance and man-hour reports generated by team and area

🗺️

Real-Time Single Map

All personnel positions shown on one map, filterable by team/area, with history tracks replayable anytime

06 / ALERTS

Multi-dimensional Alarm System

Pre-warning + in-process alarm + post-incident tracing, tiered push with nothing missed

Alarm TypeTrigger ConditionLevelDisposition Method
🚐 SOS HelpWorker presses the hat card SOS buttonEmergencyPlatform popup + SMS/App push, location showing the incident site
❤️ Abnormal Heart RateWristband heart rate exceeds safe thresholdEmergencyPush to team leader and safety officer, verify and handle by phone
🌡️ Abnormal Body TemperatureBody temperature exceeds the set thresholdImportantWarn of heat-stroke risk, prompt rotation and rest
🚧 Crossing/IntrusionPersonnel enters a hazardous-area electronic fenceEmergencyHat card voice on-site reminder + platform alarm
⏸️ Prolonged StillnessPersonnel remains still beyond the set durationImportantSuspected fainting/trapped, notify safety officer for on-site check
🔌 Low-Battery ReminderHat card battery below thresholdNoticeRemind to replace/charge, avoiding positioning blind spots
📴 Offline AlarmHat card has not reported for a long timeImportantDevice fault or manual shutdown, check immediately
07 / ADVANTAGES

Core Advantages of the Solution

🎯

1–2 m Class Positioning

Meter-level accuracy down to work face/station, meeting refined management

🔀

Two Versions, Select as Needed

Choose 4G (no base station) for ≤ 50 people, LoRa (no traffic fee) for >50, no wasted spend

⛑️

Hard Hat as the Carrier

Hat card worn with the hard hat; must be worn on entry, naturally 100% coverage

❤️

Positioning + Health in One

Wristband data rides the hat card’s “free ride”, zero extra networking cost

📋

Aligned with Smart Construction Site Assessments

Work permits, electronic fencing and alarm logs meet regulatory requirements in one stop

⚡

Fast Deployment, Easy to Use

Hat card works on power-on; 4G version deployed same day, LoRa version networked in one or two days

08 / APPLICATIONS

Typical Application Scenarios

🏗️

Building / Municipal Construction Sites

Real-name attendance, area control, meeting smart construction-site assessment standards

⛏️

Mines / Tunnels

Personnel positioning and emergency search-and-rescue underground and in high-risk areas

🏭

Power Plant / Chemical Plant Maintenance

Work-permit linkage, area control and monitoring of maintenance personnel

🌉

Large-Scale Infrastructure

Unified dispatch and supervision of thousands of on-site personnel across multiple teams

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