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Hydraulic crushers reduce demolition noise |
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Over the past year, the public lodged 109 complaints about noisy contractors on our construction sites. This is slightly up from the previous year. Despite the rise, contractors actually incurred fewer convictions for noise offences than last year (38 compared to 52). To keep a close eye on our contractors, we have set up a database for monitoring complaints and convictions against them. In future, we will be hiring contractors taking into account their environmental performance. |
| In 2000/ 2001 we completed trials on using hydraulic
crushers to reduce noise nuisance. Because they are good at reducing
noise we are telling contractors to use them more, particularly where
works are close to residents or the public. For instance, we have
identified two demolition projects where using the hydraulic crusher
will be mandatory. We are continuing to seek out more ways to reduce noise from our construction activities. We tested hydraulic pile jacking and found this piling technology to be quieter, so we are now liasing with the Buildings Department to use it more. Also we are using more off-site prefabrication and precasting to reduce noise from our construction sites. Over the past year we received 5 Noise Abatement Notices on our estates. On each occasion we carried out corrective measures in the required time period. As at 31st March 2002, work to remedy 3 cases were completed while 2 were in progress. In the past year, we have improved inspection procedures for noise in our water pump and building services plant rooms. |
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To protect our residents from pump room
noise, we have continued our programme of replacing water pumps with
quieter pumps. In 2001/ 2002 we replaced 66 pumps out of the 82 scheduled.
The remaining 16 pumps were replaced in April 2002. All new estates
also have these quieter pumps. |
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