Preventing Unexpected Start-up with Interlock Blocking
Heineken needed to protect personnel against unexpected start-up at a Johannesburg plant (South Africa). Although interlocks were installed on machine guards, there was no system in place to prevent personnel from being exposed to the risk of unexpected start-up. To address this issue, Heineken chose interlock blocking (IBL) solutions from Fortress Safety’s Osbourn range.
IBL devices are equipped with a personnel key and a guard blocking plate. When the key is present, the plate prevents opening of the guard. Rotation and removal of the key rotates the plate and allows opening of the guard when the hazards are in the safe state, permitting opening of the interlock. At the same time, an interlock blocking plate is driven by the rotation, preventing the guard and interlock from closing. The personnel key is kept by the operator until the end of tasks, preventing reset while inside the safeguarded space.
IBL devices are versatile mechanical solutions that work with existing interlocks and machines without the need for wiring or programming, resulting in considerable monetary savings compared to a full machine upgrade. This flexibility was crucial for easy integration into Heineken’s existing systems. A total of 126 IBL units were installed on multiple lines across the site, including bottling and palletizing areas, on both sliding and hinged guards, providing an additional level of protection to employees whilst ensuring easy integration in a cost-effective manner.
About Heineken
Heineken N.V., founded in 1864 in Amsterdam, is one of the world’s largest brewing companies, operating in over 65 countries with a diverse portfolio of beer brands. In South Africa, Heineken owns the Sedibeng Brewery, located southeast of Johannesburg, which has been operational since 2010 and expanded to meet growing demand. The brewery emphasizes sustainability, incorporating a solar power plant and water reclamation facility to reduce its environmental impact. In 2023, Heineken Beverages was formed through a merger, reinforcing the company’s commitment to the South African market and broader African expansion.
Working Closely with Deebar
Deebar Pty Ltd, founded in 1976, specializes in manufacturing and supplying electro-mechanical products to a diverse range of industries. With 50 years’ of experience, we prioritize creating safe workplaces where employees are safeguarded from injury and equipment is protected from damage. Deebar manufacture, supply and install a wide range of underground mine shaft signaling and station area safety equipment. To achieve this, our team of over 100 staff members are committed to quality and exceptional service which has been the cornerstone of our success.
