Project:
OH&S equipment noise emission study for Oil Sands Upgrader Project in Calgary & Fort McMurray, Alberta. |
Technical Information:
Based on the mandatory requirements of the Alberta Occupational Health and Safety Code, 2003 – Part 16, the noise level target was set at 85 dBA.
Out of a total of approximately 2,500, seven hundred noise sources were found to be significant contributors to the plant noise environment.
Typical plant noise sources on this project included:-
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Multi-stage centrifugal pumps
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Reciprocating and centrifugal compressors
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Combustion noise
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Large electric motors – TEFC, WPII, TEWAC, TEAAC
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Steam turbines
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Ejectors
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Pressure relief valves
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Force-draft heat exchangers
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Cooling towers
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Scope of Work:
This project examined occupational health and safety noise exposure from a plant noise emissions perspective. The Oil Sands Upgrader project involved a vast array of mechanical, piping and electrical plant – some of which in “standard” configuration, emits noise levels beyond the exposure limits of the Alberta Occupational Health & Safety Code.
ATCO was requested to complete the plant noise study in parallel with the detailed engineering phase of the project, such that any necessary equipment noise control measures could be integrated into the equipment procurement phase, and therefore avoid costly noise control retrofit work on site, in the post-commissioning phase.
The project was divided into multiple main process areas, each being managed by a separate EPC company. The noise study required not only direct interface with the principal Client, but also with each of the EPC’s. ATCO ensured the accurate and consistent exchange of information across all parties. The plant and equipment for this project was procured from all across the globe. Communicating the Alberta Occupational Health and Safety Code to all parties involved was essential in ensuring a focus on implementing engineering noise control measures. |

The site was extremely complex to model, as a result of a high equipment density and multiple personnel access elevations in most plant areas. Through a combination of on-site acoustic measurement, in-depth background research and face-to-face consultation with client representatives, ATCO determined source noise levels for each individual piece of plant. The data was then used to model and predict noise levels throughout the plant, to identify sources of unacceptable noise exposure and to make recommendations for various possible noise control measures.
The final stage of this project involves site verification of the plant noise emissions after the project commissioning phase is complete – scheduled for 2012
As of the first quarter of 2008, the project is entering the final stages of detailed engineering. |
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