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As of June 30, 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)

1350 of 1460 (92.46%) Remaining 110days

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)

Complete the concrete placement and concrete at two ends of bridge approach slab.

Others

 

 

Photographs

South Tunnel Portal
Construction Drain System
Construction Drain System
Support Shortcrete for Slope of Cut & Cover Section
Construction Steps of Painting Work
Construction of Road Pavement

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.

Support Shotcrete for slope                                     350 m2    

  • South Portal

Electric system

At present, They have completed construction for electric system of South tunnel portal.

Water system

At present, They have completed: OS, CSC, MH9, MH10, MH11, Collecting basin, Trench drain, MH4, MH5, MH6, MH7, MH-C, EV.

They are continuing to execute construction for remaining item of water system; Surface drainage system of STPP, OS1, MH1, leach field type A and pipe systems.

Main Tunnel Rear Work

  • Finished

Road work

Concrete pavement East side : 1184 (ml).Total 1262/2423(ml)

Tunnel lining painting West side : 1150 (ml). Total 2100/2423(ml)

Tunnel lining painting East side : 300 (ml). Total 300/2423(ml)

Installation of hand rail : 150 (ml). Total 150/2423(ml)

Evacuation Tunnel Rear Work

Placement side drain: 780 (ml). Total 2000/2435(ml)

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