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As of January 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)

1200 of 1460 (82%) Remaining 260days

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)

Installed girders and placement of concrete slab and parapet.

Others

 

Photographs

South Tunnel Portal
Inspection for Handing Over Electric Trench for PK 3&4
Construction of Center Drain
Installation of Formwork for Side Drain on East Side
Installation of Formwork for Electric Cable Duct on West Side
Installation of Reinforcement Steel for E-Cable Duct on West Side
Compaction of Foundation for Side Drain
Shotcrete Protection of Extension Part of E.T
Bridge No.1
Installation of Reinforced Steel for Concrete Pavement 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

Main Tunnel

Tunnel Lining

Backfill grouting for concrete lining from block Layby No. 36 to block No. 38

Placement of concrete for side drain     152.7 m (East side)

98.3 m (West side)

Placement of concrete for cable duct 

- (East side) 80m and cable trough 

- (West side) 128.3m

Placement of concrete for construction of centre drain 237.8m

Evacuation Tunnel

Excavation completely finished, construction of cut and cover section continued.

The items carried out during the month can be quantified as follows:

                    Geotextile:                                 320 m2

                    Waterproofing membrane:                   320 m2

                    CQS6:                                               320 m2

                    Shotcrete protection 100mm:                320 m2

Bridge No. 1

Continued with placement of concrete for cross beam and slab reinforcement.

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