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Biometric attendance system for construction sites and infrastructure projects

Handheld terminals for sites with no fixed infrastructure. 20,000-user capacity. CLRA-ready contractor reports. Works offline.

Construction site attendance doesn’t work the way factory attendance works. Workers don’t come to a fixed terminal — the terminal has to go to workers, dispersed across a site spanning several hectares, enrolled under multiple contractors, with connectivity that drops whenever it rains. Fortuna’s construction site attendance system runs on handheld biometric and card-based devices that supervisors carry to each muster point. Every punch stores locally when the network is down and syncs the moment it reconnects. CLRA-compliant contractor summaries and BOCW muster rolls generate automatically from the same biometric data.

Trusted by India’s largest manufacturing and industrial organisations

Attendance problems every construction site manager recognises

Proxy attendance across a workforce of thousands, spread under multiple contractors

Construction sites run with large mixed workforces — a small number of permanent staff and thousands of contract workers enrolled under different contractors. Workers clock in for absent colleagues using shared ID cards, or contractors submit paper muster rolls that no one verifies against actual site presence. In a site with 5,000 contract workers, a 5% proxy rate means 250 ghost workers every day — with no way to detect it until payroll has already been processed.

No fixed walls or stable power for standard biometric terminals

Office attendance terminals are designed to mount on a wall with stable power and LAN. Construction sites have none of this. Workers are dispersed across site compounds, material yards, tower floors, and basement levels. A wall-mounted terminal at the site entrance is useless for 2,000 workers who never pass through a single gate.

Multiple contractors each billing independently from actual attendance

A construction project with ten contractors produces ten separate muster rolls at month end — each contractor's own count of how many workers attended on which day. The principal contractor has no biometric verification to dispute any of them. Overbilling of 10–15% is common in large contract workforces. Without actual attendance records per contractor, the dispute cannot be resolved with evidence.

Connectivity that drops on remote, large, and underground sites

Large construction sites span areas where cellular coverage is intermittent. Monsoon weather, underground levels, and remote rural infrastructure projects all create connectivity gaps. An attendance system that requires a live internet connection to record a punch will fail repeatedly in these conditions — and each failed punch is an attendance dispute waiting to happen.

BOCW and CLRA compliance without a dedicated site HR team

The Building and Other Construction Workers Act 1996 requires daily muster rolls, worker registration, and welfare fund contribution records. The Contract Labour (Regulation and Abolition) Act 1970 requires per-contractor attendance records and working hours documentation. Most site HR teams are too small to maintain all of this manually for a site with thousands of contract workers across multiple contractors.

How Fortuna's construction site attendance system works

Fortuna’s construction site attendance system was built for the conditions of Indian infrastructure projects — portable devices, offline-first architecture, and compliance reports designed around CLRA and BOCW requirements from the ground up.

 

Handheld devices that go to workers — not the other way around

The MicroLOG (card-based, 20,000-user capacity) and MicroLOG Bio (biometric fingerprint, up to 5,000 users) are handheld devices that supervisors carry to each muster point across the site. Workers do not queue at a fixed gate. The iCON — the world's smallest biometric terminal at under 200 grams — fits in a supervisor's pocket and runs for 8 hours on a single charge, with built-in 4G and WiFi. See construction site access control for gate-based zone control.

20,000-user card-based capacity for large contract workforces

The MicroLOG handles up to 20,000 card users from a single handheld device — enough for the largest Indian construction project workforces. Card-based authentication requires no biometric enrollment on site, which matters when a new contractor batch arrives and needs to start work the same day. Issue site cards, load worker IDs, and deploy in minutes.

Unified contractor tracking — actual vs billed headcount, per contractor

Every worker is tagged to their contractor, work order, and authorised site zone. When a contractor submits a muster roll claiming 400 workers attended, the system shows the actual biometric or card-authenticated count — per contractor, per day, per site area. CLRA-compliant per-contractor summaries and actual-vs-billed comparisons generate automatically at month end.

Offline-first architecture for real Indian connectivity conditions

Every device stores punches locally. When connectivity is restored — 4G, WiFi, or LAN — all stored punches sync to the cloud with original timestamps preserved. The MicroLOG stores 90,000 transactions; the iCON stores 100,000. No attendance event is lost due to network outage. This is the default behaviour, not an optional setting.

BOCW and CLRA compliance reports from the same attendance data

Fortuna generates BOCW-format daily muster rolls, worker registration records, and per-contractor CLRA reports from the same data that drives contractor billing verification. Site HR gets compliance-ready exports without manual assembly — daily muster to labour commissioner in the same run that reconciles contractor billing.

Get a construction site attendance system built for your project

Tell us about your site — number of workers, contractors, site area, and whether you need CLRA or BOCW compliance documentation — and we will scope a handheld-first attendance solution that fits. Free demo. No obligation.

 

Trusted by L&T, Shapoorji Pallonji, and 20,000+ organisations. Hardware designed, built, and supported in India since 1996.

 

Platform features for construction site attendance

Handheld and portable device range

MicroLOG (card-based, 20,000 users, 4hr battery), MicroLOG Bio (biometric fingerprint, 5,000 users, 6hr battery), and iCON (pocket-sized fingerprint, 5,000 users, 8hr battery, built-in 4G) cover every muster scenario — from a static site gate to a remote foundation level with no fixed infrastructure.

Multi-contractor management and billing verification

Tag every worker to their contractor, work order, and authorised site areas. Generate actual-vs-billed attendance comparisons per contractor at month end. Dispute overbilling with timestamped biometric or card-based evidence from the system — not from a supervisor's note.

BOCW and CLRA compliance reporting

Automatic generation of daily muster rolls, per-contractor working hours documentation, and worker registration records. Reports export in formats accepted by factory inspectors and labour commissioners. Worker registration records support BOCW welfare fund contribution tracking.

Worker deduplication and Aadhaar onboarding

Fortuna's onboarding module prevents the same worker enrolling under two different contractors on the same site. Aadhaar-based KYC and biometric deduplication catch duplicate registrations at enrollment. A worker cannot appear on two contractors' muster rolls simultaneously.

High-capacity card-based attendance

Card-based authentication allows same-day deployment for new contractor batches. No biometric enrollment session required. Issue site cards and deploy the MicroLOG immediately. Card user records sync to SmartFace and link to contractor and work order for reporting.

Offline sync with zero data loss

Punches store locally during network outages and sync automatically when connectivity resumes. Device uptime is independent of network availability. For sites with consistent 4G, data syncs in real time. For remote and underground areas, the device operates as a standalone unit until reconnected.

Real-time site dashboard

Live headcount by contractor, zone, and shift across all muster points from one dashboard. Understaffing alerts, contractor no-show notifications, and daily attendance summaries are available in real time. Drill from site level to contractor to individual worker in two clicks.

Payroll-ready export and HRMS integration

Processed timesheets export in XLS and CSV for payroll software, or via REST API for direct integration with SAP, Oracle, or any construction-specific HRMS. Overtime, late marks, and shift differentials are pre-calculated against per-contractor work schedules.

Construction site attendance devices

Every construction-site attendance device below is built and supported by Fortuna — handheld, 4G, and face recognition terminals that sync to one platform.

Frequently asked questions — industrial access control

What is the best attendance system for a construction site?

Handheld biometric and card-based devices are the best fit for most construction sites. They do not require fixed infrastructure — supervisors carry them to each muster point. The MicroLOG handles up to 20,000 card users from a single device, suitable for the largest Indian construction projects. The iCON and MicroLOG Bio add fingerprint biometric verification where enrollment is practical. For a fixed site office entry, the VF2000 face recognition terminal provides IP65-rated, contactless attendance.

Yes. Fortuna’s handheld devices — MicroLOG, MicroLOG Bio, and iCON — run on internal batteries for 4–8 hours and require no wall mounting or fixed power supply. Supervisors carry them to each muster location across the site. For semi-permanent checkpoints, an optional wall mounting bracket (OPT 01) is available for both the MicroLOG and MicroLOG Bio. Battery-operated attendance removes the dependency on site power entirely.

Every worker enrolls tagged to their contractor, work order, and authorised zone. When a supervisor runs attendance, the device logs the punch against the worker’s contractor assignment. At month end, the system generates actual headcount by contractor — separate from what the contractor submits on a paper muster roll. Discrepancies between the system count and the contractor’s claimed headcount are quantified automatically, giving the principal contractor documented evidence for billing disputes.

Every handheld device stores punches locally in internal memory when there is no network connectivity. As soon as a WiFi, 4G, or LAN connection is available — whether at end of shift, at the site office, or when the supervisor returns to an area with coverage — all stored punches sync to the cloud with original timestamps preserved. No attendance event is lost. The MicroLOG stores 90,000 transactions; the iCON stores 100,000 in standard mode.

Yes. The system generates daily muster rolls in BOCW format, per-contractor working hours documentation, and CLRA-compliant attendance records. Worker registration records support BOCW welfare fund contribution tracking. Reports export in formats accepted by labour commissioners and statutory inspectors. Where enrollment includes Aadhaar KYC verification, worker identity records meet BOCW registration requirements.

Card-based enrollment via MicroLOG happens same-day — issue site cards, load worker IDs into the device, and start attendance immediately. No biometric enrollment session is required. For biometric enrollment, the MicroLOG Bio and iCON allow supervisors to enroll workers in the field without a fixed station. A site of 1,000 workers can be enrolled in one day with four to five supervisors running parallel enrollment across site sections.

Yes. The system generates actual-vs-billed attendance comparisons per contractor from biometric or card-based records. Each worker’s attendance record appears under their contractor and work order — not as an aggregate site count. Contractors cannot bill for workers who did not authenticate on site. Fortuna’s construction clients have recovered significant overbilling in the first billing cycle after deployment.

A site with up to 1,000 workers deploying card-based attendance can be live in one day — device configuration, card issuance, and supervisor training included. A large project with 5,000+ workers across multiple areas typically deploys in three to five working days, including biometric enrollment and multi-device configuration. Fortuna provides on-site installation support and administrator training at every deployment.

Get a construction site attendance quote

Tell us about your site — number of workers, contractors, site area, and compliance requirements — and we will scope a handheld-first attendance solution that fits your project phase.

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