1 / 30

E20 TALLINN - NARVA RECONSTRUCTION MAARDU - VALGEJÕE

E20 TALLINN - NARVA RECONSTRUCTION MAARDU - VALGEJÕE. MAIN OBJECTIVE. Reconstruction of various road sections to improve the road condition, traffic safety and road environment. MAIN PARAMETERS. pavement - 11,5 m (1 + 2 x 3,75 + 3) embankment - 10 - 12,25 m road - 35,5 - 37,5 m

gretchen-nichols
Download Presentation

E20 TALLINN - NARVA RECONSTRUCTION MAARDU - VALGEJÕE

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. E20 TALLINN - NARVARECONSTRUCTIONMAARDU - VALGEJÕE

  2. MAIN OBJECTIVE Reconstruction of various road sections to improve the road condition, traffic safety and road environment

  3. MAIN PARAMETERS • pavement - 11,5 m (1 + 2 x 3,75 + 3) • embankment - 10 - 12,25 m • road - 35,5 - 37,5 m • central reserve ~ 11 m

  4. TRAFFIC VOLUME 20032020 • Jägala km 26,4 7270 9880 • Kuusalu km 40,3 6040 8640 • Liiapeksi km 52,0 4550 6500

  5. TRAFFIC SAFETY • 2000 - 2003 - 42 traffic accidents • 5 people killed • 59 injured • walking along the road - 13 • collision with animals - 7 • dark time - 54% of the accidents

  6. PAVEMENT CONDITION LAST CONSTRUCTED • Section 1 - 1982 - 1988 • Section 2 - 1962 - 1988 • Section 3 - 1989 - 1990 • Section 4 - 1979 • Section 5 - 1980

  7. PAVEMENT CONDITION IRIrutsdefectsbearing capacity Section 1 4,76 13,4 1 - 5% 345 Section 2 5,99 14,4 2 - 8% 390 Section 3 4,13 13,5 1 - 8% 335 Section 4 5,85 10,5 2 - 5% 315 Section 5 6,51 13,5 3 - 7% 299 Critical value 3,5 - 8 % 230

  8. SCOPE OF MAIN WORKS • Construction of the new payment courses • Improvement of embankments • Improvement of the drainage system • Construction of a new bridge • Renovation of viaducts and bridges • Traffic arrangement and safety measures • Environmental mitigation measures

  9. MAIN INDICATORS • Reconstruction of main road 62,7 km • Earthworks 305 000 m3 • Pavement of main road 820 000 m2 • Pavement of road junctions 98 000 m2 • Renovation of viaducts 7 pcs • Construction of a bridge 1 pcs • Renovation of bridges 5 pcs • Renovation of pedestrian tunnels 2 pcs • Renovation of cattle creep 1 pcs • Safety barriers 30 000 m • Wildlife fence 5 500 m • Road lighting 3 500 m • Culverts and drainage pipes 4 600 m

  10. PAVEMENT CONSTRUCTION Main road • Milling of existing pavement - 4-5 cm • TAB 16 II - 4-5 cm • KMA 12 - 4 cm (8,75) / TAB 12 I - 4 cm (2,75) • Geogrid Road junctions • Milling of existing pavement - 4-5 cm • PAB 16 • TAB 12 I - 4 cm

  11. CROSS-SECTION TYPE II

  12. CROSS-SECTION TYPE III

  13. CROSS-SECTION TYPE IV

  14. EARTHWORKS • Widening of embankment (junctions, U-turns) • Reconstruction of embankment - km 26,1 - 30,9 - excavation of unsuitable material - excavation of peat - 11 000 m3 - demolition of concrete slabs - filling of new material - geotextile

  15. DRAINAGE SYSTEM • Cleaning of existing ditches • Excavation of new ditches • Cleaning and repairing of existing drainage system • Construction of new drainage system • Cleaning of existing culverts • Construction of new culverts

  16. RENOVATION OF VIADUCTS AND BRIDGES • Construction of new waterproofing layer • Replacement of expansion joints • Repair of all deteriorated concrete on the bridge (footways) and other exposed surfaces • Replacement of guardrails • Repair of handrails • Reinforcement of slopes • New asphalt concrete layer on bridge deck

  17. JÄGALA VIADUCT

  18. JÄGALA II BRIDGE

  19. JÄGALA II BRIDGE

  20. JÄGALA II Length - 18 + 2 x 15 m; L = 53,6 m Width - 15,6 m Type - 3-span continuous steel concrete composite bridge

  21. TRAFFIC SAFETY • Improvement of road junctions • Elimination of entrances, U-turns, technologic turns • Improvement of visibility • Renovation of pedestrian tunnels - 2 pcs • Sidewalks - 2,7 km • Guard-rails - 30 km • Road lightning - 3,5 km • Road marking - rumble strips

  22. ENVIRONMENTAL MITIGATION MEASURES • Wildlife passages • Wildlife fence • Wildlife bank tracks • Noise barriers • Warning signs • Hedge • Top soiling and grass seeding • Roadside clearing and crubbing

  23. Wildlife passage

  24. Wildlife bank track under the Valgejõe bridge

  25. “Image of elk” on pavement (6m x 1,5m)

  26. Dwellings at the roadside where a noise barrier will be constructed

  27. BUDGET Main works 22 000 000 Supervision 1 100 000 Contingencies 2 200 000 Total25 300 000

More Related