Transcript
Page 1: South Corridor: Drammen Stavanger Alignments and ......1 South Corridor: Drammen – Stavanger Alignments and Environmental impacts High Speed Rail Assessment phase 3 Conference 26th

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South Corridor:

Drammen – Stavanger

Alignments and

Environmental impacts

High Speed Rail Assessment phase 3

Conference 26th of January 2012

Gunnar Bratheim, Project Manager

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Quite a challenge….

Modern High Speed Railway Common Norwegian

single-track railway

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Important basis for our study

Intercity-study Vestfoldbanen (KVU)

County master plan for Grenlandsbanen (Porsgrunn –

Brokelandsheia)

National and regional environmental databases, made

available through the Avinet web map

Corridor development plan for existing line,

Sørlandsbanen (SUP) relevant for alternative B

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All alignments studied for new high speed

railway

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Overview of proposed alignments

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The B-alternative

Section

nr.

From km To km

Existing

length, km

New

length, km

Estimated

time saving

(s)

Single/

double track

(S/D) Comments

16 Kongsberg 100.2 Nedre Jerpetjønn 117.9 17,7 14,0 544 S Passing loop 1.5 km

13 Lunde 178.2 Nakksjø 193.7 15,5 13,5 454 S Passing loop 1.5 km. (Proposal in SUP: passing loops km 170 and km 185

15 Glitsjø 197.2 Drangedal 204.4 7,2 5,7 207 S Drd.st. km 205. Single track, one passing loop

7 Skorstøl 249.0 Vegårshei 262 13,0 10,2 402 S/D Single track, one passing loop 1.5 km

9 Heldalsmo 287.5 Skredfjell 294.7 7,2 5,7 206 D Double track. (Proposal in SUP: new single track along existing track)

1 Nodeland

Øygard 372.0 Breland 383.0 11,0 9,8 294 S

11 km, with passing loop 1.5 km. A passing loop has recently been built at Nodeland. The SUP

proposes to straighten the existing line at km 380 – 381

2 North of Breland 388.6 Laudal 405.7 17,1 6,1 644 S Single track and passing loop 1.5 km. SUP-proposal: straightening of existing line km 403-407

3 Øvre Laudal 409.4 Start of the

Hægebostad tunnel 419.8 10,4 8,7 290 S Single track and passing loop 1.5 km. Existing passing loops km 402 and km 419

4 After the

Kvineshei tunnel 438.9 Storekvina 446.2 7,3 6,6 193 S Single track. Existing passing loop at Kvina, km 446

11 Moi 478.2 Heskestad 490.5 12,3 11,6 345 D

Tunnel, eliminates existing track through Drangsdalen. The SUP proposes double track. The

table shows reduced running time. This section will also reduce delays caused by crossing

trains, approx. 7 min.

5 Helleland 516.8 sør for Smøråsen 521.3 4,5 4,0 106 S Single track. There will be a passing loop close to this section, at km 513, according to the

SUP-proposal

8 Egersund 525.6 Sandnes (old

station) 583.5 57,9 56,5 480 D

Partly new double track, partly new single track, parallell to existing track. (Length: between

existing stations). Running time reduction depending on stopping pattern, may be higher

12 new sections along existing line

Focus on eliminating bottle-necks with low speed

152 km new tracks, plus some passing loops

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New high speed alignments

Alternative 2* - 250 km/h with freight

Alternative D1 - 330 km/h with freight

Alternative D2 - 330 km/h without freight

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Stavanger – Egersund, alternative 2*

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Stavanger – Egersund, alternative D1

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Stavanger – Egersund, alternative D2

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Stavanger – Egersund, environmental issues

Three different

alignments with different

conflicts

2* has major conflicts

with cultural heritage and

agriculture

D1 and D2 have conflicts

with large natural

environments/landscapes

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Stavanger – Egersund, alignment issues

2* alternative

combines local/

regional traffic and

high speed traffic,

D1/D2 separate traffic

Relocation of several

stations will be

necessary in alt. 2*

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Egersund – Kristiansand, alternative 2*

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Egersund – Kristiansand, alternative D1

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Egersund – Kristiansand, alternative D2

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Egersund – Kristiansand, alignment issues

Reduced speed

through Egersund

Very high tunnel

share due to difficult

terrain

Long bridge

crossings near

Flekkefjord

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Egersund – Kristiansand, environmental issues

Low conflict level

between Egersund and

Mandal

Some conflicts with

nature areas, residential

areas and recreational

areas west of

Kristiansand

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Kristiansand – Brokelandsheia, alternative 2*

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Kristiansand – Brokelandsheia, alternative D1

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Kristiansand – Brokelandsheia, alternative D2

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Kristiansand – Brokelandsheia,

alignment issues

New station in Kristiansand,

proposed located at Eg

(Krossen is an alternative)

Bridge crossing at Kjevik

Stations in Lillesand and

Grimstad near residential

areas

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Kristiansand – Brokelandsheia,

environmental issues

In general many conflicts around the

cities Kristiansand, Lillesand and

Grimstad

Justvik area east of Kristiansand

Cultural landscapes and cultural

heritage at Topdalselva, Fyresmoen

and Dømmesmoen

Conflict with several registered

nature type locations

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Brokelandsheia – Drammen, alternative 2*

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Brokelandsheia – Drammen, alternative D1

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Brokelandsheia – Drammen, alternative D2

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Brokelandsheia – Drammen, alignment issues Challenging alignment through

Porsgrunn for all alternatives

Very complicated fjord crossing south

of Tønsberg in the chosen alternative

2* (Intercity)

Probably need for an underground

station in Tønsberg.

Layout and capacity issues at

Drammen station should be studied

further

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Brokelandsheia – Drammen, alignment issues

Alternative alignment in

Porsgrunn studied, with

station at Borgestad

Left out because of

complicated stage-by

stage development

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Brokelandsheia – Drammen, environmental issues

The Grenlandsbanen section passes

through recreational areas

Alignment north of Porsgrunn station will

affect built-up areas

In general high conflict level along the

Intercity corridor, moderate conflicts in

D1/D2 corridor

Large seizures of arable crop land in 2*

2* conflicts with cultural heritage areas

around Sandefjord and in Borre

2* tunnel in Larvik has possible conflict

with Farris mineral water source

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Technical summary and conclusions Data Alternative D1 Alternative D2 Alternative 2* Alternative B

Total length of line 452,5 km 456,1 km 495,5 km 518,0 km

Use of existing line (excl. IC) 18,0 km 18,9 km 31,4 km 353,4 km

Intercity line 0 0 118,0 km 0

Tunnels

Number of tunnels, total 152 188 162 45

Tunnels, total length 257,5 km 222,1 km 241,0 km 70,4 km

Tunnels, proportion (of new line) 56,9% 48,7% 48,6% 42,8%

Number of tunnels >10 km 2 3 2 1

Number of tunnels >5 km 16 9 12 4

Number of tunnels <1km 94 131 103 1

Bridges/viaducts

Number of bridges, total 153 188 131 43

Bridges/viaducts, total length 53,3 km 64,5 km 48,5 km 12,7 km

Bridges/viaducts, proportion (of new line) 11,8% 14,1% 9,8% 7,7%

Number of bridges > 500 m 34 30 24 6

Number of bridges > 1000 m 8 8 9 0

All lines are technically possible to build

Well-known technology

Many tunnels, but moderate tunnel lengths

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Collocation of impact assesments Section Theme B 2* D1 D2

Section 1:

Stavanger -

Egersund

Landscape 1 2 4 1

Cultural heritage 4 3 1 2

Natural environment 2 2 4 1

Natural resources 3 3 1 2

Community life and outdoor recreation 3 3 2 1

Section 2:

Egersund -

Flekkefjord

Landscape 1 2 3 4

Cultural heritage 1 2 3 4

Natural environment 1 2 3 4

Natural resources 4 3 1 2

Community life and outdoor recreation 1 2 3 4

Section 3:

Flekkefjord -

Mandal

Landscape 1 2 3 4

Cultural heritage 1 2 3 3

Natural environment 1 2 3 4

Natural resources 4 1 3 1

Community life and outdoor recreation 1 2 3 4

Section 4: Mandal -

Lillesand

Landscape 1 2 2 2

Cultural heritage 1 4 2 3

Natural environment 1 2 2 2

Natural resources 1 4 2 3

Community life and outdoor recreation 1 4 2 3

Section 5:

Lillesand - Risør

Landscape 1 2 3 4

Cultural heritage 1 2 3 4

Natural environment 1 2 4 3

Natural resources 1 4 2 3

Community life and outdoor recreation 1 3 2 4

Section 6: Risør -

Porsgrunn

Landscape 1 3 2 4

Cultural heritage 1 4 2 2

Natural environment 1 2 4 3

Natural resources 1 4 2 3

Community life and outdoor recreation 1 3 2 4

Section 7:

Porsgrunn -

Tønsber

Landscape 1 2 4 3

Cultural heritage 1 4 2 2

Natural environment 1 4 2 3

Natural resources 1 4 3 2

Community life and outdoor recreation 1 3 2 4

Section 8:

Tønsberg -

Drammen

Landscape 1 4 2 2

Cultural heritage 4 3 1 1

Natural environment 1 2 4 3

Natural resources 1 4 2 3

Community life and outdoor recreation 1 4 2 2

All sections Average Ranking 1.43 2.8 2.5 2.83

Not surprisingly, B has less

impacts than a brand new line

Alternative 2* has high

conflicts where existing line is

upgraded (Vestfold, Jæren)

D1 and D2 are quite similar,

but higher proportion of

tunnels in D1 reduces conflict

level.

Overall conflict level is not

higher than other large

infrastructure projects

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A 3D-model for the entire corridor with the

D1-alignment has been established

A taste of high speed rail in the Norwegian|

landscape - thank you for your attention !


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