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A growing team in a thriving city

When we need to hire the very best, it’s worth the effort to seek out those candidates. BAP Acoustics recruited Principal Consultant Andrew Williamson early this spring for our Victoria office. A 2003 University of Victoria grad with a Bachelor’s degree in Mechanical Engineering, Andrew “quickly fell in love with acoustical engineering” right out of the gate as the new hire at a small acoustics firm.
“I really enjoyed the dynamic variety of the work and its considerable overlap with architecture,” says Andrew, who in 2009 received his Professional Engineer (P.Eng.) designation from the Association of Professional Engineers and Geoscientists of the Province of British Columbia (APEGBC).
A confident speaker, he has on numerous occasions communicated technical information to the public, municipal councils, government members, and non-governmental organizations (NGOs). As well as having attended public meetings, open houses, and government-sponsored working groups, Andrew has acted as an expert witness in British Columbia’s Supreme Court and participated in a joint review panel environmental assessment hearing for a major infrastructure project.

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Something sounds fishy: mitigating noise aboard small industrial craft

I’d never before pondered that fish and noise might—even indirectly—have anything to do with each other. Little did I know! Sure, fish do tend to be quiet, but the process of harvesting them most assuredly does not.

With high casualty, accident, and injury rates, fish harvesting ranks as one of the world’s most dangerous industries. Occupational Health and Safety (OH&S) and Workers’ Compensation Board (WCB) literature from coastal communities not only confirms this; it also highlights noise-induced hearing loss (NIHL) as a primary health hazard among fish harvesters. What these regulatory bodies haven’t addressed is the noise-induced fatigue caused by insufficiently sound-attenuated crew quarters. Cumulative health effects of noise exposure over time also include cardiovascular stress, which can lead to high blood pressure and dizziness.

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That which doesn’t kill us

There’s not a lot to be said about last year that hasn’t been said ad nauseum, so I won’t waste your time or my own. And because we’re still bombarded with it when we watch the evening news, I’ll also refrain from using that C-word. (You know the one.) While most of us have cause for optimism as 2021 begins to unfold, here at BAP Acoustics we look back on 2020 with a considerable amount of gratitude. Good things happened… things that form a solid foundation for even better things to come.

Proposals were submitted. Proposals were won; enough so that we found ourselves growing the BAP team and consequently bringing that expansive energy to our clients’ projects. We couldn’t be more pleased about our recent additions, and we hope you’ll enjoy getting to know them as much as we have…

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BAP Admin

The Truth about Soundproofing

I was flipping through TV channels the other day and as I tuned in to a home improvement related show the show host pointed up to the underside of a ceiling in an old Vancouver home and cried out that “there was no soundproofing in there”. What did he mean by that I wondered? Was the ceiling cavity uninsulated? Was the ceiling put in without resilient channels? Would viewers think that, if those elements were put in, the room would be “soundproof”? Within the context of typical construction, I find the use of the words “soundproofing” or, more accurately, “soundproof” to be misleading.

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BAP Admin

Good Communication in Restaurants: Acoustic Capacity

You are sitting in a restaurant surrounded by some of your best friends. The food is great and the drinks are cold. The restaurant is gradually getting busier. Between the chatter and the background music, you begin to raise your voice to be heard by those at your table. You are not alone in this. Almost everyone else is doing the same. The background chatter gets louder and louder as everyone in the room also raises their voice to be heard. This is the Lombard Effect: the tendency for humans to raise their voice in the presence of noise.

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BAP Admin

Containing Noise from Pubs & Nightclubs

I’ve heard it said that Vancouver is a no fun city. As a relatively new immigrant from London UK, who is used to pubs closing around 11pm, I find this attitude a little hard to understand. However, one thing I have noticed since working here in the field of acoustic consultancy is how noise regulation in this city is less onerous than it is in London. Vancouver appears to be a city with lower levels of noise regulation.

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BAP Admin

Office Acoustics: Speech Privacy and Security

Speech privacy is critical aspect of office acoustics, particularly as it relates to boardrooms and meeting rooms. Many office discussions are best conducted behind closed doors, but how can you know if an eavesdropper is able to listen to your discussions? To provide guidance on this acoustics engineering issue, ASTM International Standard E2638-10 defines five levels of speech privacy/security for enclosed meeting rooms and offices (see table).

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