Noise from Yukon Power diesel mills in Riverdale exceeded pointers, research finds – Yukon Information

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Noise generated by Yukon Power's diesel mills in Whitehorse exceeded quantity limits set by the British Columbia Oil and Fuel Fee (BC OGC) and Well being Canada, in accordance with a monitoring mission.

Yukon Power launched the analysis outcomes of an unbiased advisor on June 11.

The utility employed the advisor after residents of Riverdale complained about extreme noise from close by diesel mills in April.

Yukon Power needed to run the mills because of the low water ranges which resulted within the manufacturing of much less hydropower.

Noise displays had been put in at a substation alongside Nisutlin Drive in addition to within the yard of a residence on close by Bell Crescent close to the fence of the Whitehorse Rapids energy plant between late April and the start of Could. They measured noise ranges each on days the mills had been off and when between one and 4 of them had been working.

Whereas the noise on Bell Crescent is inside an appropriate vary, noise on the Nisutlin Drive location exceeds BC OGC and Well being Canada requirements.

(The Yukon doesn’t have its personal noise requirements; the report notes that the BC OCG pointers "are extensively accepted in Western Canada and generally used within the Yukon").

BC's OCG pointers set a most daytime noise stage for operations close to properties at 61 decibels.

Noise on the Nisutlin Drive substation was measured at 66.four decibels when the mills had been working, whereas Bell Crescent measured at 52.5 decibels.

Well being Canada's pointers set a most allowable distinction between non-operating and non-operating noise ranges, with the appropriate change capped at 6.5%.

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A distinction of 11.four% was detected on the substation, whereas the noise stage truly decreased by 1.5% on Bell Crescent.

"Putting in noise attenuating louvers over current vents could also be ample to mitigate noise beneath vital ranges," the report suggests.

Yukon Power President and CEO Andrew Corridor mentioned in an interview on June 16 that the noise research outcomes had been "not essentially a shock."

The utility had obtained a number of complaints from residents of Riverdale about the issue, he mentioned, however wanted to gather information with a purpose to quantify the issue.

"It's attention-grabbing as a result of we run these diesel engines in the course of winter, you realize, in January particularly… and we don't often get any complaints," he mentioned, including that he didn't bear in mind Yukon Power ever having to do a noise survey earlier than.

"It's a little bit of a thriller what's completely different this time round, however regardless of the case we now have the information now, you realize I feel we expect it's about time that we have to… make plans to cut back the noise on our diesel engines. the blue constructing is shifting ahead.

Corridor mentioned Yukon Power will buy and set up a everlasting noise monitor on the Nutsutlin Drive substation later this summer time in order that "we're able to go for the winter," when the mills are typically working. He may also start design work on 'noise discount choices', though he mentioned it was too early to say what choices are being thought of.

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Contact Jackie Hong at jackie.hong@yukon-news.com

Yukon Power

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