Cliff Hall and David Cashman of Tensar International Ltd. have released a white paper, “Plotting the Road Map for Performance Specifications.” Slowly but surely, specification by performance is becoming a more accepted method for construction by highways agencies both in the UK and internationally. The results promise much needed innovation and significant economic and environmental benefits. But how should contractors and suppliers be adapting to changing client demands? Tracing the route of changing specification practice tells us that reliance on laboratory-based testing of materials cannot show how materials perform under real life site conditions.
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