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Noise caused by construction works at night in Netizen

A video she had filmed of the construction site shows the drone of the machinery could be heard reverberating along with the backup beeper of a truck at the site. This can go on up to 3 am as reported by the netizen.

Singapore — A member of the public has taken to Facebook after she realized that construction works were being carried out near her apartment even at night, causing a lot of noise in the area. 

She put up a post on the Facebook group “Complaint Singapore” to seek advice from other netizens who might have encountered a similar situation before.

In her post, a member of the public also included a video she had filmed of the construction site. In the video, the drone of the machinery could be heard reverberating along with the backup beeper of a truck at the site.

According to the caption of the post, this was not the first time that such an incident had occurred. The member of the public also mentions that the construction works had gone on until 3 AM on a previous occasion. As such, she asked other netizens for help on who to contact on the issue, since the sounds generated by the construction works can be quite loud and disruptive.

Other netizens shared their views on the matter and offered suggestions in the comments section. 

A few netizens chalked the nighttime construction down to urgency, saying that there might be an emergency that needs fixing quickly and promptly.

Some other netizens thought that carrying out construction work at night, would impede the flow of traffic less since there are fewer commuters during the night.

A few other netizens suggested that the poster bring the issue up to the relevant authorities such as the National Environment Agency (NEA), the Land Transport Authority (LTA), or the Singapore Police Force (SPF).

After contacting NEA, the poster replied that they were helpful in stopping the works at an earlier hour.

According to NEA, construction sites need to observe the noise level and exercise construction noise control with effect from 1 Oct 2007. 

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Asia Noise News

Singapore to Ban Older Motorcycles

As motor vehicle emissions regulations tighten around the world, it should come as no surprise that Singapore is set to restrict motorcycles registered before July 1, 2003, and effectively ban them after June 30, 2028. The island city-state is under 800 km2 in area, yet is home to 5.7 million residents (denser than Hong Kong), and is known for its strict laws, cleanliness, and low crime rate.

The restrictions were introduced in 2018, and Singapore’s National Environment Agency (NEA) released new information and guidelines on the emissions regulations and standards in April of this year. The laws come into effect on April 26, 2023, after which time, qualifying motorcycles must meet tighter emissions standards of “4.5% Carbon Monoxide (CO) by Volume; and 7,800 ppm Hydrocarbons (HC) (for 2-stroke engine) or 2,000 ppm HC (for 4-stroke engine)”, as per the NEA documentation. After June 30, 2028, these motorcycles will either be banned, or the owner can apply to be given a temporary permit with usage stipulations, until such time as they are eligible for Classic Vehicle status, which in Singapore is 35 years or older.

The NEA estimates that most of the eligible motorcycles will be able to pass the required emissions standards with proper, regular maintenance. Owners can have their vehicles tested at an approved inspection station to ensure they pass the standards.

The new laws will apply equally to locally owned, as well as foreign motorcycles entering Singapore. Foreign motorcycles must also meet local noise regulations, and must not emit any smoke or visible vapor. Enforcement is planned via random emissions testing blitzes at land entry checkpoints.

For owners of older motorcycles, the NEA is offering an early de-registration incentive of up to $3,500, to encourage owners to get these bikes off the road. According to the NEA, almost 60% of the 27,000 eligible motorcycles have so far been de-registered via this program.

Sources: motopinas.com, http://nea.gov.sg

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Noise and Vibration Product News

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Uncategorized

Noisy exhaust eradication a joint effort in Malaysia

Illegally modified motorcycle exhausts, or the eradication thereof, should be a collective effort by all relevant Malaysian agencies, says Transport Minister Datuk Seri Wee Ka Siong. Speaking during the launch of the Diesel Multiple Unit train at Pasir Was, Kelantan, Wee said the import and sale of illegally modified motorcycles and components needed to be addressed, as reported in The Star.

“Some say loud exhausts should be banned but it may not come under the Transport Ministry’s jurisdiction as it could involve the Customs Department and such,” said Wee, responding to social media posts accusing several ministries of allowing the sale of modified motorcycle parts. “Some people questioned how these exhausts entered the market and accused the Domestic Trade and Consumer Affairs Ministry of not stopping the sale of such prohibited items,” he said.

Saying that the sale of modified parts for vehicle use does not fall under the jurisdiction of the Transport Ministry, Wee suggested the relevant ministries collaborate on finding a solution. “We don’t want to trouble the people but there are complaints that the loud sound from these exhausts is causing some to lose sleep,” said Wee.

Wee emphasized the Ministry of Transport is taking an advocacy approach to the issue of noisy motorcycles, with offenders being called up for interviews by JPJ under Article 114 of the Road Transport Act, instead of being issued a summons. Those found guilty of modifying their motorcycle exhaust face a maximum fine of RM2,000 or six months jail, with the seizure of the non-compliant motorcycle an option under Section 64 of the Road Transport Act 1987.

The issue of motorcycle exhaust noise came to the fore around mid-February this year, after police and JPJ took what was felt by some in the riding community to be excessive action. Riders were subject to roadblocks and checks, leading to allegations from the public a minority segment of the vehicle population in Malaysia was being unfairly targeted and persecuted.

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Asia Noise News

Malaysian police conduct noise checks on their own

Malaysian police conduct noise checks on their own

Perhaps in an effort to show the Malaysian public that the law is being applied equally, police conducted motorcycle noise and modification checks on police personnel. The operation was held by the Traffic Investigation and Enforcement Department (JSPT) on police personnel exiting police headquarters at Bukit Aman, Kuala Lumpur.

This was held in response to public sentiment on social media saying the recent over the top police action against motorcycles was only targeted at the riding public. The vehicle examination special op involved 15 officers and 35 other JSPT personnel, accompanied by 5 officers from the police Integrity and Standard department (JIPS), along with personnel from the Department of Environment (DOE).

During the operation, 280 vehicles were inspected, resulting in 146 summons issued for offences such as “fancy” number plates, no side mirrors, no road tax and exhaust modifications. The main objective of this surprise check is to ensure police personnel complied with the law and road rules, showing an example to the public, as stated on the JSPT Facebook page.

Malaysia traffic noise checks

What do you think dear reader, are the police doing the job we pay them to do or is this just mere window dressing and playing to the public gallery? The recent persecution of road users, notable motorcyclists, has reportedly become overbearing and many feel the police are targeting the lower-income and disadvantaged group in these times of pandemic and lockdown with the resulting economic downturn across Malaysia.

While overbearingly noisy exhausts are a nuisance, the current disproportionate response starts to bring to mind images of a police state. 

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Asia Noise News

Brunei, Sabah: Mystery blast heard, early signs point to sonic boom or meteorite

Mysterious explosion heard in Sipitang, Labuan, Lawas (Sarawak) might originate from a sonic boom high in the skies...

KOTA KINABALU: The mysterious explosion heard by many in Sipitang, Labuan, Lawas (Sarawak), and parts close to these areas on Sunday (Jan 31) could have been a sonic boom or a meteorite which exploded in mid-air.

The Astronomical Society of Brunei Darussalam (PABD) said it received numerous reports from Bruneians who also heard the mysterious loud noise.

The PABD then issued a notice seeking eyewitness accounts of the phenomenon, which is believed to have occurred at about 11 am.

Some Bruneians later shared their experiences and uploaded blurry pictures of what appears to be a fireball trailing smoke to PABD’s Facebook page.

A Sabahan in Brunei, Joey Yong, said she heard something like extremely loud thunder but did not know what it was.

The accounts from these witnesses may be found here.

Earlier, authorities in Sabah, including the navy, police and fire brigade, said they did not receive reports of any incidents that could have caused the blast.

Sabah Meteorological Department director Amir Zudi Hashim said the department did not record any seismic activity that could have caused the sound.

Sonic boom cause of explosion like noise Sabah

 

People in Sabah who claimed to have heard the blast said they felt the earth shake when the explosion was heard.

Source

 
 
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Building Accoustics

How much sound can your walls block? With STC testing in Field Sound Transmission Class measurement

How much sound can your walls block? With STC testing in Field Sound Transmission Class measurement

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Asia Noise News

Malaysian man apologises for making 11 speed bumps near his home

Malaysian man apologises for making 11 speed bumps near his home

BESUT (THE STAR/ASIA NEWS NETWORK) – A man who illegally installed 11 asphalt speed bumps on the street next to his house in Kampung Padang Luas, Jertih, has apologised for his action.

Mr Nor Muhamad Roslam Harun, 40, admitted his mistake in building so many speed bumps on a 40m stretch and causing a hassle to other residents.

“Police officers came to see me on Wednesday morning and asked me to remove all the speed bumps that I had installed.

“So I hired a bulldozer operator to remove all the speed bumps on the street, including the two original ones,” he told Bernama.

The case went viral on social media a few days ago after a man uploaded a picture of the “new speed bumps” on the street leading to his house, which he claimed had been installed by his neighbour.

Mr Nor Muhamad said he installed the speed bumps because he was often disturbed by the noise of passing vehicles.

“The noise from cars and motorcycles disrupts my sleep. I’m so stressed out and I also have other health issues.

“Actually, I wanted to make speed ‘humps’, but the asphalt hardened so quickly before they could be flattened, causing them to become bumps.

“This made the road inaccessible to all cars except four-wheel drives,” he said.

Mr Nor Muhamad revealed that he spent RM1,080 (S$355) of his Employees Provident Fund i-Sinar money to install the speed bumps.

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Environment Industrial Noise and Vibration Product News

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Asia Noise News Environment Home Industrial

Scientists have pioneered a new technique to produce arrays of sound produced entirely by heat

The team of researchers from the Centre for Metamaterial Research and Innovation at the University of Exeter used devices, known as thermophones, to create a fully controlled array from just a thin metal film attached to some metal wires.

The results, published in Science Advances, could pave the way for a new generation of sound technology, including home cinema systems.

Traditionally, arrays have been used in a host of every day applications, including ultrasound and sound systems. Arrays allow sounds from several sources to be ‘steered’ in a certain direction, to gain greater control and clarity of the sound produced.

Conventional speaker arrays rely on the production of sound through driven movement of some object — such as a speaker cone. The new study, however, pioneers arrays of speakers that produce sound entirely by heat: thermophones.

Although thermophones have been in existence for more than 100 years, they have, until now, had limited real-world application. However, they have a host of advantages from their mechanical counterparts — including no moving parts and the ability to be mass produced from inexpensive, sustainable materials.

Crucially, they can even be made transparent and flexible, which is desirable for the new wave of flexible technologies being produced.

For the study, the researchers found that, when combined into an array, thermophones are able to reproduce the same control over sound fields as traditional arrays.

However, they do much more than this: as they are driven by electrical currents, the sound they produce mirrors the subtle movement of the current carriers as they flow through the device and, as a result, they create a much richer sound field than traditional arrays.

The researchers suggest that the study opens a route to radically simplify array design, showing that with thermophone technology, it is possible to create a fully controlled array from nothing more than a thin metal film attached to some metal wires.

David Tatnell, lead author of the study and a PhD researchers at the EPSRC Centre for Doctoral Training in Metamaterials said: “Using heat to produce sound is a game changer as it allows us to make speaker arrays smaller than ever before. This, as well as the ability to make the speakers flexible and transparent, has a lot of exciting potential applications, such as haptic feedback systems in smartphones and other wearables.

Credit: https://www.sciencedaily.com/releases/2020/07/200702113652.htm