At 12 o’clock Friday let the Norwegian Water Resources and Energy Directorate (NVE) presented its report on why the southbound course of Skjeggestad Bridge in Holmestrand collapsed on February 2.
report shows that there was foundation work under the bridge shortly before the collapse that triggered the landslide. This shows how important it is to do thorough preliminary investigations even before minor earthworks are underway, says Department Anne Britt Leifseth in NVE.
Extensive damage
Several trailers and cars were standing in several day on the edge of the cliff before it was considered safe to move them.
Since then, all traffic has been directed via Holmestrand or Episcopal road.
100,000 cubic meters of rock was moving under avalanche.
-Grunnarbeider Causes
The research team has determined that it is sufficiently probable that it was completing work on the site to Solum Golf Club in the days immediately preceding the landslide that has been the trigger for landslide, says Stein Are Strand, who has headed the expert group.
It was after the slide found quick clay as far as 500 meters downstream from rasstedet.
Chairman of Solum Golfklubb, Bear Pattern, has previously said that the work has gone out of moving mass from a quarry near the golf course, and that the bulldozer work around 50 meters from the bridge.
Construction Work
In the years 2006 to 2013 had taken extensive work in the area under the bridge, which was critical because fillings done before this time had reduced safety margins in the area.
Still, the report concludes that it was a bulldozer working in the area in the hours before the slide that helped to destabilize the masses.
Hoping to open July 3
This week released Public Roads to the remaining bridge; The objective is that traffic can be directed over this within three weeks time:
– We must jack up the deck to get triggered tensions in the bridge. Two of the columns were deformed in the avalanche, and we need to replace a couple brolagre, says project for reconstruction, Arvid Veseth.
50 millions collapse
Friday 3 July, when the summer holiday begins and the queues building up in the direction Vestfold and southern Norway, is still current date, confirms Deputy Inngunn Foss in NPRA.
-Fremskrevet in value to 2015 crowns cost bridge that collapsed 50 million kroner. We will now read the report thoroughly before we decide what we will do next, says Foss.
-Don’t illegal
The landowner had not received notice from these groundwork in advance .
-When I bought the site of NPRA they said nothing about it was quick clay there. I was sincere when I started. Are you going to dig a little in the kitchen garden, you do not apply for any permits, says the landowner bear Hundstad.
-Now wealth completing 3,500 cubic meters of nothing but dig a little kitchen garden – had you made thorough enough research?
No, in hindsight, so I had not present it. But I did not know that because conditions were so bad.
– Do you fear that NPRA can set you accountable?
– If that happens I have to go out of house and. The report says that I must take responsibility for ten to fifteen percent of the destabilization that had happened. This means then that the road authorities must take responsibility for the rest, says Hundstad.
Police case
Vestfold Police awaited report from NVE before they determine what they will now carry out further investigative steps.
Police Attorney Rina Stokke commented that they have decided not to make any comments until they have received the report through the official channels.
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