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As of October 31, 2004

Physical Progress

Contractor

JV of Dong Ah and Song Da

Commencement of the Works

1st October 2000

Contract Period

1460 days (Until September 30, 2004)

Time Elapsed (days)

1470 of 1460 (100.68%)

Progress

 

Main Tunnel(2417m)

Excavated 2379m in total (100%)

Evacuation Tunnel(2429m)

Excavated 2411m in total (100%)

Access Road to Water Reservoir.

Completed

Bridge No.1(58m)

Completed

Others

 

Photographs

Overall View of South Tunnel Portal
Overall Investigation of South Portal Plaza
Finishing Riprap at Cut & Cover Section
Cutting Grass on Slopes
Installation Granit Curb
Test of Emulsion Penetration at Entranne of Evacuation Tunnel
Inspection of Covers on West Walkway
Inspection of handrail of Walkway

Top

Construction Supervision

Summary from Contractor

Main Tunnel and Evacuation Tunnel excavation was completely finished. Bench excavation and tunnel lining were completed. The rear concrete works is ongoing.

Construction Supervision by Engineer

Cut and Cover Section

Construction for cut and cover section continued.

Riprap of cut and cover section continued              240 m2    

South Portal Plaza

a.      Concrete curb                 150ml

b.      Construction of Sub base layer 1+2          3400m3

c.      Construction of Base layer 1            6800m3

Main Tunnel Rear Work

Finished

Road work

Concrete pavement cross passage door: 2(nos)

Concrete wall for door: 1(nos)

Tunnel lining painting West side : 323 (ml). Total 2423/2423(ml) and completed.

Tunnel lining painting East side : 200 (ml). Total 500/2423(ml) and on going.

Installation of hand rail : 410 (ml). Total 2423/2423(ml) and completed.

Evacuation Tunnel Rear Work

Construction of base layer 2                                            1000ml.

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