Modern Quarrying

Specifiers of floor grating often stress the purchase price of the material at the expense of structural integrity and loading capacity. “Cost and price are two separate factors which need to be acknowledged, and this is especially so with floor grating as the quality of the material underpins both its safety and ultimate performance,” Lance, Quinlan, national technical sales consultant at Andrew Mentis cautions.

Material specifiers are dropping the safety and performance ballAndrew Mentis is the largest single producer of floor grating in southern Africa and has been manufacturing Rectagrid RS40 (40/40) floor grating for 68 years. It operates from a world-class facility at Elandsfontein, Johannesburg, and its Rectagrid products are the benchmark in floor grating in South Africa.

“However, with increasing pressure to cut costs, specifiers often take the short-sighted approach of opting for bottom line, sub-standard products. These may be cheaper in the short term, but do not offer the same benefits in terms of quality and durability. Health and safety is also compromised using inferior products,” Quinlan says.

Rectagrid RS40 (40/40) floor grating is manufactured using a pressure locking system pioneered by Andrew Mentis. Quality control during the manufacturing process ensures that close tolerances are maintained, and that the round transversal bar fits tightly through the pierced bearer bar. This not only guarantees the superior structural integrity of the product, but also eliminates its vulnerability to corrosion – which, in turn, ensures the superior locking characteristics. Rectagrid RS40 (40/40) is formed through a process of compressive locking of bearer bars and transversals to form an exact pitch with openings of 35.5 mm by 32.4 mm.

“In an effort to cut costs even further, specifiers are even reducing the number of bearer bars and round bar transversals on each section of grating. This reduces the loading capacity of the grating, as well as weakening it and, in some cases, even rendering it unsafe,” Quinlan explains.

“An added problem of such short-sighted cost-cutting measures is that the safety implication is only apparent after installation, when it is clear that the compromised floor grating is unable to perform according to the original specifications.”

Rectagrid RS40 (40/40) is a highly engineered product that has been tested extensively in the field. Andrew Mentis’s entire product range is manufactured locally from raw materials supplied by Mittal. Quinlan says the company’s main challenge is to continue to produce world-class products without sacrificing on either materials or quality.

“It is also critical to educate the end-user market, as well as ensuring that specifiers make informed purchase decisions that take into account the full ramifications of cost versus price,” he concludes.

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