Floor flaws

Article Abstract:

Precast terrazzo tiling became popular in the 80s because it is durable, easy to install and aesthetic. It is mainly used in shopping centres, foyers, airports and stations. The most common problems is cracking due to movement of the superstructure and stresses in the finish. Proper workmanship should prevent cracking. Tiles should be laid on a semi-dry sand and cement screed. If the semi-dry bedding is too deep then it will lift and curl aound the edges. If the screed is too thin then stability will be lost. Cement that is finely ground will result in shrinking. Slipperiness is another problem.

Product defects and recalls, Floors, Concrete, Concrete flooring

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Leading edge

Article Abstract:

The UK construction industry increasingly utilises tailor-made databases to classify, store and retrieve client and lead information. In-house systems can cost more to establish than specific packages. Ensure Sales Technology has developed the Ensure Plus package. The key to an internal database is currency. It is a full-time job to keep a database up-to-date. Smaller companies should decide whether they can justify the cost of a client database; a card index can be just as effective. Systems can also be linked to reporting systems to give information on individual sales and earnings.

Construction industry, Innovations, Databases

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Long-haul flight

Article Abstract:

Escalators are used as an alternative to cable cars and monorails. The world's longest escalator is 225 metres at Ocean Park, Hong Kong. The UK's longest is 50 metres in Angel underground station. The length of an escalator is not a problem. Longer units can be transported in pieces and assembled on site. Problems are alignment as sections can weigh up to 4 tons and tolerances are tight. In areas of restricted access units have to be broken down into single pieces rather than truss sections and reassembled on site.

Escalators

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