A SIGNIFICANT percentage of the pipeline infrastructure for water distribution worldwide has been in service for more than 50 years, with most of the large-diameter pipelines in service today being pre-stressed concrete cylinder pipes (PCCP), reinforced concrete pipes or steel pipes.

REINFORCED concrete structures in the Middle East require effective protection against the extreme climatic conditions and chloride and sulfide intrusion, which have taken their toll on numerous buildings in the region.

ARABIAN Building Support and Rehabilitation Company (Absar), which specialises in concrete repair and marine works, reports excellent business despite the global economic downturn, with a 50 per cent increase in its turnover last year.

HYDRODEMOLITION or high-pressure water jetting of concrete structures is being increasingly used for removing deteriorated concrete and concrete rehabilitation by this method is now becoming an important aspect of civil engineering and building renovation.

RADCRETE Pacific, an Australia-based company dealing in concrete waterproofing technology, says its Radcon # 7 is used just as much for corrosion protection and repair as it is for preventing leakage of water.