|
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)
|
1230
of 1460 (84.24%) Remaining 230days
|
|
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)
|
Continued
with placement of concrete for cross beam and
slab reinforcement.
|
|
Others
|
|
Photographs
 |
South
Tunnel Portal
|
 |
Installation
of Formwork for Side Drain on West Side
|
 |
Installation
of Formwork for Walkway Pedestrians
|
 |
Installation
of Formwork for Cover Concrete
|
 |
Embankment
Soil and Grassing
|
 |
Compaction
of Backfill Material for Cut and Cover Section
|
 |
Placement
of Concrete Pavement for Bridge No.1
|
 |
Installation
of Reinforcement Steel for Handrail of Bridge No.1
|
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.
The
items carried out during the month can be quantified as follows:
Rock gabions:
80 nos
Structural embankment:
1750 m3
Tunnel Lining
Backfill
grouting for concrete lining from block No. 169 to block No. 181
Quantity
cement: 4065 kg
Placement
of concrete for side drain: 181.5
m (East side); 207.5
m (West side)
Placement
of concrete for cable duct: (East side) 150.1m and cable trough -
(West side) 450.0m
Placement
of concrete for construction of centre drain 434.0m
Bridge
No. 1
Continued
with placement of concrete for cross beam and slab reinforcement.
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Events and Issues
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