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Noise and its measurement (Part 4)

By: The Technical Manual for Waste Systems by Valsir

In part 4 of this series on noise pollution, we look at ways to reduce airborne sound in waste systems

Waste systems are characterised by airborne and structure-borne sound; it is therefore necessary to adopt measures in planning and installation aimed at reducing both

Read more: Noise and its measurement (Part 4)

Noise and its measurement (Part 3)

By: The Technical Manual for Waste Systems by Valsir

In part 3 of this series on noise pollution, we look at the prediction of passive acoustic requirements

The prediction of passive acoustic requirements is an extremely important topic for planners during project design when choosing construction and plant technologies that meet the limits imposed by the Italian prime minister’s Decree – Determination of the passive acoustic requirements of buildings – on 5 December 1997.

Read more: Noise and its measurement (Part 3)

New plastic piping systems for internal plumbing and heating

By: Antti Tynys, Cristian Hedesiu, Mario Andrade, Dongyu Fang – Borouge*

Are plastic materials more effective that metals for internal plumbing and heating systems?

Over recent years, plastic materials have replaced metals for internal plumbing and heating systems because they are lower in cost and easier to install. These cost savings are particularly relevant in the large high rise developments favoured in the Middle East and Asia, because lightweight plastic systems require much less anchorage than metallic systems. In addition, metallic systems suffer from corrosion which shortens the life of the system and reduces water quality, whereas plastic materials are completely resistant to corrosion.

Read more: New plastic piping systems for internal plumbing and heating

Noise and its measurement (Part 2)

By: Valsir

In part 2 of this series on noise pollution, we look at the measurement of noise

Noise is one of the primary causes of the reduction in the quality of life in cities nowadays. In fact, although the tendency in individual environments shows a fall in the highest levels of noise in areas at greater risk, there has been a parallel amplification of trouble areas that has resulted in the increase of the population exposed.

Read more: Noise and its measurement (Part 2)

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