Bertha Tunnel Project Utilized Generator Source Power
The SR 99 Tunnel In Seattle, WA Was Carved Out Of The Earth With Power Supplied By Generator Source.
The SR 99 Tunnel in Seattle, WA was carved out of the earth by the custom-made tunneling machine named “Bertha." Generators supplied by Generator Source helped play a role.

The 1.7-mile-long tunnel saw 850,000 cubic yards of soil extracted during the project. The project is aimed at replacing the Alaskan Way Viaduct.The project has been managed by Washington State DOT and Seattle Tunnel Partners and was widely viewed online with numerous videos and construction cameras.
Diesel Generators Role
Large industrial generators were purchased for this enormous task and successfully supplied key power needs for several pieces of machinery during this project. Generator Source helped equip the tunneling project with a pair of generators that were used extensively on the project.
Generators & Mining Operations
Mining operations are often located in remote places where electrical power is not easily accessible or available. Many of these sites lack the necessary electrical grid and transmission lines.
Generator sets can fulfill needs for rock crushing operations, subterranean exploration, processing, and future expansion as mining continues its growth.
All of these needs create a set of challenges when considering operating conditions. Terrain can be extremely harsh for prime power operations when reliability and durability become the focus.
Mining Industry on the Rise
Mining continues to be a growth industry and generators are often in constant use. Mining has seen a 1.6% increase in June 2017 and positive gains from the last five out of six months. The mining index has grown 9.9% year over year from June 2016.
Diesel generators continue to be the first choice for most mining applications. Diesel is an excellent fuel choice because of its; versatility, reliability, and cost effectiveness. Mine-specific environments can be very rugged therefore additional features can be very important including: weatherproof enclosures, latches and high quality hinges, and quality air filters should be considered.
Additional Details on this Project
For more details on the full timeline, budget, various projects that are still running and more visit this site.
Trust in a Team that knows Big Power
Generator Source takes great pride in continuing to provide power generation equipment projects like these throughout North America. We have been working with projects like these for over 40 years and look forward to sharing more stories like this in our blog. If you have questions or interest in buying or selling a generator contact us today.
Story Summary
What was the Bertha mining project?
The Bertha mining project involved carving out the 1.7-mile long SR 99 Tunnel in Seattle, Washington using a custom-made tunneling machine nicknamed "Bertha".
When was the project completed?
The tunneling was completed in April 2017.
What was the purpose of the project?
The project aimed to replace the Alaskan Way Viaduct in Seattle.
Why were generators needed for this project?
Large industrial generators were required to supply power for various pieces of machinery used in the tunneling operation.
Who supplied the generators?
Generator Source provided a pair of generators that were used extensively throughout the project.
How much soil was excavated?
The tunneling machine extracted approximately 850,000 cubic yards of soil.
Who managed the project?
The project was managed by the Washington State Department of Transportation and Seattle Tunnel Partners.Mining Industry Context
Why are generators commonly used in mining operations?
Mining sites are often located in remote areas without access to the electrical grid, making generators essential for powering equipment.
What are some challenges of using generators in mining?
Harsh terrain and operating conditions require generators that are reliable, durable, and able to withstand rugged environments.
Has there been growth in the mining industry recently?
Yes, the mining industry has seen growth, with a 1.6% increase in June 2017 and a 9.9% year-over-year growth from June 2016.
Diesel Admin
| 7/26/2017 8:00:57 AM
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