Berbera Tog Wajaale Road Herb Miedema Manager Design HP Gauff - - PowerPoint PPT Presentation

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Nov 30, 2022 1.31k likes •1.59k views

Berbera Tog Wajaale Road Herb Miedema Manager Design HP Gauff Ingenieure JBG Connects Berbera Port to Addis Ababa Important for Regional and Local Trade 240 Km in Somaliland Built 30 years ago No substantial maintenance

SLIDE 1

Berbera – Tog Wajaale Road

Herb Miedema Manager Design HP Gauff Ingenieure – JBG

SLIDE 2

Connects Berbera Port to Addis Ababa
Important for Regional and Local Trade
240 Km in Somaliland
Built 30 years ago
No substantial maintenance received

SLIDE 3

Causeway to Berbera Port

SLIDE 4

Road Section Berbera – Hargeisa. Potholes, bleeding and stripping of the road surface are hazards for traffic.

SLIDE 5

Road Section Hargeisa Town – cattle, turning traffic, hand- carts all fighting for space

SLIDE 6

Road Section Hargeisa Town – parked cars, pedestrians and road side stalls also fighting for space

SLIDE 7

Road Section Hargeisa – Tog Wajaale. One of the 35 drifts in the alignment. Traffic is sometimes blocked for hours.

SLIDE 8

Road Section Hargeisa – Tog Wajaale. Flash floods eat away the protection of the drift and will collapse soon.

SLIDE 9

Road Section Berbera - Hargeisa. Many new culverts have been constructed. The design has included these.

SLIDE 10

Design Study

– Appropriate solution for rehabilitation – Widening of existing road – Raises alignment and provides bridges – Provides parking lanes in Hargeisa Town Center – Provides bypass for Hargeisa Town – Improves Safety

SLIDE 11

ESIA

Carried out according to World Bank

Standards

Cons:

– Some destruction of property – Loss of habitat, biodiversity – Soil erosion – Increased dust levels, noise, poor waste management etc.

SLIDE 12

ESIA

Pros

– Improved connection to Berbera Port – Increase in international transit trade – Increase livestock, agricultural trade – Stimulation of local trade and business in area of influence – Decrease in road accidents – Decongestion of Hargeisa Town

SLIDE 13

X-Section

Outside Hargeisa

– 7 m wide carriage way + 2 m wide hard shoulders

n either side
Inside Hargeisa

– Median + 3.5 m wide lane + 3.5 m parking lane + 2.5 m footpath*

*Where space allows

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SLIDE 15

Six sections:
1. Berbera – Dacarbuduqh
2. Dacarbuduqh – Hargeisa East
3. Hargeisa East – Hargeisa West
4. Hargeisa West – Kalabaydh
5. Kalabaydh – Tog Wajaale
6. Hargeisa Bypass

SLIDE 16

SLIDE 17

Section 1

Construction length: 90.9 Km inclusive of 2.2 Km in Berbera

Town

Section includes 4 major bridges (10.4m USD)

– Length: 80 meter (Km 36.6, Km 67.0) – Length: 96 meter (Km 53.5) – Length: 128 meter (Km 64.6)

Section includes 1 climbing lane

– Length 825 meter (Km 85.5)

Estimated construction cost: 66.8m USD
Contingencies: 17.7m USD
Total cost: 84.5m USD – EIRR 8.6%
Section includes works on road through Berbera to port as

well as causeway to port

Streetlights foreseen in section through Berbera town

SLIDE 18

Section 2

Construction length: 61.5 Km
Section includes one major bridge (2.3m USD)

– Length: 80 meter (Km 124.3)

Estimated construction cost: 39.2M USD
Section include two climbing lanes

– Length 867 meter (Km 97) – Length 520 meter (Km 117)

Contingencies: 10.3m USD
Total cost: 49.5m USD – EIRR 14.0%

SLIDE 19

Section 3

Construction length: 15.7 Km
Urban town section
Parking lanes, footpaths, streetlights where

possible/necessary

Estimated construction cost: 19.3m USD
Contingencies: 5.1m USD
Total cost: 24.4m USD – EIRR 16.3%

SLIDE 20

Section 4

Construction length: 62.8 Km
Section includes 1 major bridge (3.3m USD)

– Length: 96 meter (Km 197.1)

Estimated construction cost: 46.5m USD
Contingencies: 12.3m USD
Total cost: 58.9m USD – EIRR 12.4%

SLIDE 21

Section 5

Construction length: 19.2 Km
Construction on Black Cotton Soil
Estimated construction costs: 27.7m USD
Contingencies: 7.3m USD
Total cost: 35.0m USD – EIRR 21.9%

SLIDE 22

Section 6

Construction length: 18.1 Km
New alignment
Section includes one climbing lane

– Length 825 meter (Km 7)

Estimated construction cost: 18.2m USD
Contingencies: 4.8m USD
Total cost: 23m USD – EIRR 24.3%

SLIDE 23

Overall

Total overall project length: 268.2 Km
Total overall project costs: 217.8m USD
Contingencies: 57.7m USD
Total overall cost: 275.5m USD
Overall EIRR 14.2%

SLIDE 24

Summary

in million USD:

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Total

Total 66.8 39.2 19.3 46.5 27.7 18.2 217.8 Cont. 17.7 10.3 5.1 12.3 7.3 4.8 57.7 Overall Total 84.5 49.5 24.4 58.9 35.0 23.0 275.5 EIRR (%) 8.6 14.0 16.3 12.4 21.9 24.3 14.2