Topographic Audit of Fertiliser Silos with Inventory of Stores, Distribution Centres and Factories
Case Study
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Warehouses
5
Auditors
9 to 15
Pieces counted
2,000,000
Located in the state of Colima, Peña Colorada is one of the largest iron ore operations in Mexico. The project is owned in equal parts by ArcelorMittal and Ternium. Peña Colorada is a mining company that produces about 30 percent of the iron ore used in the national steel industry.
THE CHALLENGE
The customer required RGIS to provide the following:
- Complete a count of all five warehouses
- Identify variances to expected stock levels
- Update stock on hand levels for all stock
- Perform an operational audit
- Provide accurate reports to identify any operational issues
- Adhere to the strict health and safety measures in a mining environment
Why RGIS?
Peña Colorada has five warehouses of materials and spare parts used to maintain machinery and equipment used for the extraction of the mineral iron ore. The mining company needed a solution to complete inventories and an operational audit.
Our Solutions
Peña Colorada partnered with RGIS to complete the warehouse inventory and operational audit project, and RGIS provided the following:
All auditors received safety training and security checks in accordance with accessing a mine site
Scheduled a team of 9-15 experienced RGIS auditors, per day over 16 days, for the warehouse counts
The operational audit was carried out by 1-3 experienced RGIS auditors, per day over 21 days, reviewing the labelling and variances identified
Reported on any variances to the customer’s system
Results
Peña Colorada found by outsourcing warehouse inventory and operational audit project to RGIS, the following results were achieved:
RGIS teams accurately counted just under 2,000,000 pieces
The inventory was carried out within the deadlines established by the customer, the operating and results expectations were also met
The customer was very satisfied with the services performed by RGIS, and was able to update the system with up-to-date and accurate data provided
RGIS teams performed a more reliable and efficient service compared to previous providers that have worked with the customer
Conclusion
By partnering with RGIS to deliver both a full warehouse inventory and operational audit, Peña Colorada achieved accurate, system-aligned visibility of nearly two million spare parts across five critical mining warehouses. RGIS’s disciplined counting methodology, variance reporting, and operational review—conducted under strict health and safety controls—provided actionable insight into stock accuracy and process efficiency. As a result, the mining company updated its stock on hand records, strengthened operational controls, and established a more reliable, performance-driven inventory framework compared to previous providers.
