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As of May 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)

1320 of 1460 (90.41%) Remaining 140 days

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 concrete placement for handrail 25.00m and concrete at two ends of bridge approach slab.

Others

Photographs

South Tunnel Portal
Construction of Duct Bank System at South Tunnel Portal Plaza
Construction of Leach Field Type A
Placement of Bedding Concrete for Cable Duct Bank
Painting for Tunnel Lining - West Side
Installation of Concrete Cover for West Walkway
Placement of Concrete Pavement - East Side
Construction of Mortar Riprap for Pier of Bridge No.1

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 of cut and cover section continued.

Soil embankment and sodding for slope                               1200 m2   

South Portal

Electric system: Already completion of construction for system of EMH 8+10, EMH 6+7, EMH 9+11, EMH 2, EMH 3, EMH 4, EMH 5, EMH 12, EMH 13, and some lines of electric cable ducts.

Water system: Construction for OS, OS1, CSC, MH10, MH11, MH12, Collecting basin, Leach field type A, MH9 are being executed.

Main Tunnel Rear Work: 

Finished

Road work

Embankment of base layer 2 : 1123 (m) and completed

Concrete pavement East side : 78 (m)

Tunnel lining painting West side : 950 (m)

Concrete placement cover for walk way west side : 400 (m)

Evacuation Tunnel Rear Work

Placement side drain: 670 (m). Total 1170/2435m)

Bridge No. 1: 

Complete concrete placement for handrail 25.00m and concrete at two ends of bridge approach slab.

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