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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)
|
1260
of 1460 (86.30%) Remaining 200days
|
|
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 of bridge surface 25.00m
and cast in place concrete parapet of 25m span
|
|
Others
|
|
Photographs
 |
South
Tunnel Portal
|
 |
Embankment
Sub-base
|
 |
Sub-base
Testing
|
 |
Paint
Test in EP3 - Plaster Motar
|
 |
Excavation
Cable Electric System
|
 |
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:
285/470 (nos)
Structural embankment:
2200/7000 (m3)
South
Portal
Carrying
out construction of electrical system
Electrical manhole 9+11
Electrical manhole 8+10
Main
Tunnel rear works
Placement
of concrete for side drain (East): 32.8m.
Total finish 2423.4m
Road
work
Embankment
of base layer 1: 2133.0/2423 (m)
Placement
of concrete for cable duct: 30.2m.
Total finish 2423.4 m
Placement
of concrete for construction of centre drain 229.0m. Total finish
2397.8 m
Main
Tunnel rear works
Placement
side drain: 50/2411.005 (m)
Bridge
No. 1
Complete concrete placement of bridge surface 25.00m
and cast in place concrete parapet of 25m span
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