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Old July 15th, 2015, 04:34 PM   #3341
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Originally Posted by ChrisZwolle View Post
tanker truck crashed and caught fire ... undersea tunnel ... filling up with water
what a nightmare
I hope everyone could evacuate and that the tunnel doesn't really leak
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Old July 15th, 2015, 05:50 PM   #3342
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The tunnel has a 10% grade on both sides. It's also not covered by the EU-tunnel security directive since it's a county road.
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Old July 15th, 2015, 05:50 PM   #3343
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Why the tunnel was filled with water? Did the roof collapsed and sea water leaked or water was pumped into deliberately to estinguish the fire?
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In real life, electronic toll collection was first introduced in Bergen, Norway in 1986, and well into the 21th century many countries still struggle to implement it.
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Old July 15th, 2015, 05:51 PM   #3344
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The tunnel has a 10% grade on both sides. It's not covered by the EU-tunnel security directive since it's a county road.
And also because Norway isn't in EU.
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In real life, electronic toll collection was first introduced in Bergen, Norway in 1986, and well into the 21th century many countries still struggle to implement it.
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Old July 15th, 2015, 05:52 PM   #3345
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And also because Norway isn't in EU.
National roads tunnels are covered by this EU-directive.

"Tunnelsikkerhetsdirektivet sier at alle tunneler på mer enn 500 meter på riksveinettet må tilfredsstille et minimumskrav til sikkerhet.

Tunneler med et forventet trafikkvolum på over 10.000 kjøretøy per døgn må i tillegg ha to separate tunnelløp."

Source: http://www.tu.no/samferdsel/2014/11/...e-en-norsk-bru

Last edited by metasmurf; July 15th, 2015 at 06:01 PM.
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Old July 15th, 2015, 06:14 PM   #3346
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Apparently the tanker trailer got separated from the truck and crashed into the wall. The tunnel is built in an S-curve with 10% grades. It opened in 2002. The trucker managed to get out of the tunnel unharmed and warn emergency services. The first car on scene was a Dutch couple who helped stopping traffic.

They are now saying there is no risk of the tunnel collapsing. There is also no leak, they say the water is coming from an automatic fire extinguisher.
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Old July 15th, 2015, 08:19 PM   #3347
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Either the trailer wasn't properly hooked up to the truck, or the kingpin failed. If it was the former, then the driver would be at fault for not checking to see that the jaws on the fifth wheel had engaged. The release handle would be in the "locked" position. A tug test would have also told the driver that the trailer was not hooked up properly, since the truck would have rolled forward freely, rather than try to pull the trailer with the trailer brakes applied.

My guess: As the truck went through the curves, the trailer slipped off the fifth wheel plate and the landing gear dug into the pavement. This would have caused the air lines (and electrical line) to disconnect from the trailer, tripping the spring brakes which engage if the air pressure falls below 30 p.s.i.

Not sure what the ignition source of the fire would have been, unless the tralier ruptured as it slid on it's side and sparks ignited the fuel, or if there was damaged electrical infrastructure as a result of the crash.
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Old July 15th, 2015, 08:28 PM   #3348
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NRK reports this photo:
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Old July 15th, 2015, 08:40 PM   #3349
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That's interesting... It looks like the assembly (hard to tell) didn't fit properly and/or the welds failed (not the greatest pic, so it's hard to tell). Thanks for the pic, Chris.
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Old July 15th, 2015, 10:43 PM   #3350
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This article states that the trailer had recently been through a check-up without errors. The trailer got disengaged in an uphill part. It did not catch fire immedietaly, but the driver discovered it was leaking and notified emergency services.

http://www.nrk.no/sognogfjordane/kan...sna-1.12457642
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Old July 17th, 2015, 10:47 AM   #3351
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And also because Norway isn't in EU.
When the European Economy Area was established, Norway and other outsiders to the EU committed to implement certain directives of the EU. Therefore, the EU Tunnel Directive applies to Norway, too.
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Old July 17th, 2015, 11:07 AM   #3352
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That's right MattiG.

Norway is spending a fortune on upgrading 200 tunnels in the next 5 years to comply with the EU Directive.
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Old July 19th, 2015, 01:20 AM   #3353
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The proposed line from statens vegvesen and jernbaneverket for the combined rail and motorway project "Ringeriksbanen" and E16 Sandvika-Hønefoss. The goal of the government is to start work in 2019. New E16 will go to the rv.7 crossing.



http://www.vegvesen.no/Hovedside/anb...ringeriksbanen
http://www.bygg.no/article/1240923
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Old July 19th, 2015, 03:04 AM   #3354
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The western and eastern alternatives for the Hordfast project have been scrapped. They are now gunning for a straight route north across Bjørnafjord, as a circa 51 - 55 kilometer long motorway from Stord to Os.

Bjørnafjord is over 500 meters deep in this area. It is 5 - 6 kilometers wide. This rules out any conventional tunnel or bridge solution. They are exploring several options, including floating bridges and floating tunnels.

Langenuen is a narrow strait between Stord and Tysnes. All alternatives call for a large suspension bridge, with a main span between 1200 and 1600 meters (i.e. as big as the Great Belt Bridge in Denmark). In addition, smaller bridges and/or tunnels are needed to cross side fjords on Tysnes.

Good thing this is a state plan or the local discussions would go on forever. The C alternative with crossing of Langenuen in the north is already scrapped.

Start by building a bridge between Stord and Tysnes and fix the roads north to reksteren and have the ferry go from Halhjem to Reksteren while they plan a floating bridge. I can't see them building it all at the same time. As far as i have seen a floating bridge is most doable.
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Old July 20th, 2015, 04:53 PM   #3355
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This is an ambitious project that is likely to be very expensive. Do you have an idea of how much it would cost?
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Old July 20th, 2015, 05:01 PM   #3356
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27.4 billion kroner (€ 3.1 billion) according to this article: http://www.midtsiden.no/ny-pris-274-milliardar
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Old July 20th, 2015, 07:23 PM   #3357
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Thanks Chris. I have also noted that the cost of the Rogfast tunnel is €1.6bn which will make the motorway link between Bergen and Stavanger incredibly expensive.
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Old July 21st, 2015, 12:03 PM   #3358
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27.4 billion kroner (€ 3.1 billion) according to this article: http://www.midtsiden.no/ny-pris-274-milliardar
A lot of money. This is why i think we have to build this in stages and start with crossing Langenuen first and construct the roads north to Reksteren. That way you could pay down much of this stage with roadtolls first while doing the planning and final design of the bridge Reksteren-Os. When the long bridge is finished the 1st stage could be payed down.
"Trekantsambandet" further south took just 13 years to pay down.
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Old July 21st, 2015, 12:45 PM   #3359
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Vegvesenet also released some new illustrations of Sotrasambandet. The hope is constructions could start 2017, cost 8-9 billion kroner. Most will be paid with roadtolls.





Some more info and illustrations here
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Old July 21st, 2015, 02:57 PM   #3360
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A much needed improvement. I drove across this bridge last year and traffic was backing up from Bergen towards Sotra.
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