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- เผยแพร่เมื่อ 26 มี.ค. 2018
- When it’s finished, Seattle's new SR 99 tunnel will be one of the safest in the world. More than 300 cameras inside will monitor traffic and security. Automatic ventilation systems will keep air quality and visibility high. Fire suppression systems can automatically spot and activate in a targeted location of a fire. An AM/FM override communication system, loudspeakers inside the tunnel and more than 100 programmable traffic signs allow tunnel operators to communicate with travelers. This video explains how two of the many safety systems talk and listen to each other to create One Smart Tunnel.
- วิทยาศาสตร์และเทคโนโลยี
![ตรงที่เดิม - ฝน พรสุดา [ต้นฉบับ :เบส ขวางหวัน]](http://i.ytimg.com/vi/c5YnbGEztI8/mqdefault.jpg)
Well done on the tunnel design and presentation video!
Pretty good video. Thanks.
People will drive around it to avoid the toll. That's why Seattle's mayor is proposing an automobile congestion charge for the downtown area.
The mayor would propose a charge for breathing too hard if he could get away with it. Negative reinforcement through confiscation of residents' hard-earned money is not how to serve the public; it's how to rule over the unwashed masses. Want more of something? Subsidize it (the homeless). Want less of something? Tax it (getting to work).
How would you tax homelessness? A $2 surcharge on large cardboard boxes and newspapers? And why do you want more traffic congestion downtown? Having too many cars downtown prevents others from going downtown, whether they come by car, bus, Uber, or even bicycle.
It's not about taxing the homeless. It's about taxing the people who build the businesses that hire the employees who earn the money that is taxed from them to subsidize the homeless. Controlling behaviors by deciding who pays and who benefits is anathema to everything a free society is founded upon. At that point, our elected officials are no longer our servants but our rulers, deciding winners and losers through the power of taxation. This type of social engineering has been proven time and again to be counterproductive; the head tax idea is the best example of it. In a free society you're not going to eradicate homelessness -- not if we value the primacy of individual liberty over collective dependence. We have to be more realistic about our goals; if we continue to raise taxes on residents while at the same time we constrain development and artificially and arbitrarily raise the minimum wage, we will inevitably wind up with more homelessness, not less -- along with the unintended consequence of widening the chasm between the haves and the have-nots. As it is, the Puget Sound's middle class is fast dwindling just like it is in CA. We're not going to tax our way out of this problem; at some point residents are going to vote with their feet and take their money with them.
This would have saved SO many lives at Mont Blanc in 1999.
Awesome!
What Day Did The Seattle Tunnel Open?
Just wondering, is this tunnel Earth Quake protected?, if so, at what (max) magnitude? Btw, this project is #1 on my bucket list of places to visit and experience; can't wait to drive through it; should be exciting!! Good job guys! Thx for the updates!
The tunnel was designed to withstand a 9.0 earthquake, or one that happens on average every 2,500 years.
The upper limit on a full-margin rupture of the Cascadia subduction zone is 9.2 tho
www.newyorker.com/magazine/2015/07/20/the-really-big-one
@@tellleoonce If there's a full-margin rupture we won't be worried about the tunnel. Half of the state will be devastated and the coastal areas will be completely destroyed. Many people will die and countless others injured. The tunnel will probably be something that fares better-than-average and will be seen as a bright spot.
Those fans will be working overtime because the tunnel will be stop and go during commute hours :) But the tech? Very cool. Pun intended.
One smart tunnel boi...
But when is it opening?
Based on the contractor's current schedule we estimate the tunnel could open as early as this fall.
Are the pedestrian evacuation areas wheelchair accessible?
Does www.wsdot.wa.gov/Projects/Viaduct/Media/Default/Documents/Brochures%20(fact%20sheets)/2015_0730_TunnelSafety_fs_final_web.pdf answer this?
yes, thanks, link says; Travelers unable to evacuate using
the stairs could stay in the safe refuge
area, which are protected by fire-rated
doors and lighting, ventilation and fire
suppression systems. Refuge areas
will also be monitored by cameras,
provided with an emergency phone,
and will be large enough to
accommodate several people,
including those with wheelchairs. Fire,
police or WSDOT incident response
vehicles would be dispatched to help
those waiting in the refuge areas.
If someone in a wheelchair HAD to evacuate without assistance they would be dead in the water. For the billions it is costing tax payers an elevator would have been nice. Apparently the City of Seattle does not seem to follow the Legal ADA requirements since many of the Seattle public park restrooms do not have transfer bars. So there is no reason to think the State would follow the ADA requirements either.
no
@@billfleming9232 ADA doesn't require that. The college I work at has a shelter policy for those in wheel chairs as well as do most large buildings. The reality is that the cost of building elevators that could fail at the time they're needed is more than enough to pay for replacing wheel chairs that have to be abandoned in the rare case where such rescue is necessary.
They'd need probably a couple dozen elevators, or more, to cover the tunnel, all of which would need to be inspected regularly and maintained. The design of the tunnel does allow for a protected space for them to wait.
The bigger issue though is getting our of their vehicles and to the door. And that's something that's very much dependent upon the space around the vehicle.
How about clean air? It works? I thougth it is an amazing project and I would like to know how is it going :o
It's going fine. Yes, it has a giant ventilation system throughout the tunnel that we regularly test and monitor to make sure it's working properly.
Just out of curiosity, how are those I 90 tunnels ventilated?
There are giant fans inside the tunnels that keep air circulating. Typically the movement of vehicles provide circulation so the fans only really kick in when there's a fire, or a ton of congestion or something.
Is there a back-up power source for all these features if there is a power outage in the area of the tunnel?
Yes, there are two independent power sources as well as generators: www.wsdot.wa.gov/Projects/Viaduct/tunnelsafety
Bro this looked like a roblox tunnel
Indonesia mana ada sebegini
The music makes this unwatchable.
Not so smart given how it's hundreds of millions over budget and years delayed
Spoiler Alert! ...Whine much? Show me a mega project that isn't guilty of what you are suggesting. The SR99 Tunnel got built and is opening soon, so be thankful. You'll probably be the first one to drive through it....eye roll & smh.
Next, you gonna be complaining about why your internet provider is raising you monthly bill
Smart tunnel, but filled with stupid Seattle drivers--still a stupid tunnel. Not to mention, 5+ years of delay! Just stupid overall.
Cameron Well aren’t you a light
no shoulders or exits. more like a dumb tunnel.
There's an 8-foot shoulder and a 2-foot shoulder in each direction.