Case Study

How 7 Karjerai Automated Work Time Tracking and Ensured Sobriety Control with the Worksober Solution

7 Karjerai is a rapidly growing supplier of quarry materials, operating gravel and sand quarries across Lithuania since 2021. The company specializes in the extraction and trade of gravel, sand, crushed stone, and other aggregates. Currently, 7 Karjerai manages four active quarries, with expansion planned for two additional sites in the near future.

Employees work outdoors, often operating heavy machinery in active excavation zones, making sobriety, punctuality, and accurate process tracking critical for maintaining workplace safety.
Why the Company Chose Worksober?

Before implementing the Worksober solution, sobriety testing was not conducted — neither at the start nor at the end of shifts. Work time tracking was done manually, which was not only inconvenient but also time-consuming and prone to errors.

Looking for a solution that could improve both time tracking and employee reliability, 7 Karjerai chose Worksober for several key reasons:

  • Automated work time tracking: employees clock in and out automatically, without manual input or administrative effort.
  • Integrated sobriety control: ensuring that every employee begins and ends their workday sober.
  • Facial recognition: reliable identification that prevents identity swapping or false test results.
How Worksober Helped?

The company installed stationary Worksober devices in employee changing areas. Each day, workers perform a sobriety test when arriving at work and again when finishing their shift. Integrated time tracking automatically records their entry and exit times.

This solution ensures that only sober employees are allowed to work on-site while eliminating human error in attendance tracking. Sobriety checks have become a routine, seamless part of the daily workflow — requiring no supervision or additional staff.

Results

After implementing the Worksober system, 7 Karjerai achieved significant improvements:

  • Improved discipline: employees became more punctual, with fewer delays and absences.
  • Reduced administrative workload: no more manual time logging, fewer errors, and smoother reporting.
  • Increased transparency: every stage of the workday is recorded and easily accessible to managers.
  • Simplified processes: employees quickly adapted to the system, and daily operations became smoother and more efficient.
Summary

The 7 Karjerai case demonstrates that even companies operating in field conditions can successfully automate essential safety and administrative processes. Worksober became not just a prevention tool, but also an efficiency solution — ensuring that work is carried out transparently and responsibly.

“We’re very pleased with the system: it makes both time tracking and sobriety testing easy and reliable. The devices are simple to install, and the interface is intuitive and user-friendly. We can access the information we need quickly and without any issues.”

– Edgaras Domarkas, Director

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