Tarmac Group mixed concrete, asphalt and contracting businesses in the United Kingdom. Projects undertaken by or involving Tarmac Construction prior to demerger of that business in 1999 included the Preston Bypass completed in 1958, the St Albans Bypass completed in 1960, the Ahmed Hamdi Tunnel in Egypt completed in 1981, the Thames Barrier, the Joint European Torus and Drax Power Station all completed in 1984, the Merry Hill Shopping Centre completed in 1985, the Albert Dock refurbishment completed in 1988, the Conwy Road Tunnel completed in 1991, the Channel Tunnel completed in 1994, the Medway Road Tunnel completed in 1996, the Swindon
Playground surfacing Playground surfacing A playground surface is the material that lies under and around swings, slides, monkey bars and other playground equipment. The surfaces are usually made of wood or rubber and designed specifically for aesthetics, child safety, and/or ADA wheelchair accessibility. Playground safety surfacing often involves the use of recycled rubber tire products such as poured rubber, rubber tiles or loose rubber mulch. Applies only if a drainage system is installed. OF PLAYGROUND SURFACES. In the United States, playground-related injuries send 200,000 children to an emergency room every year. If visits to doctors are included, the figure rises to 500,000