Main Tunnel - Concreting Works

The Main Tunnel Concrete Lining completed with total length of 3857.00m.

MT Rear Works Concreting:

East Side: (Left Side)

Cable Duct Bank:

Completed on 30/4/2004 with total length 3,857.00m.    

Side Drainage/Catch Basin:

Completed on 30/4/2004 with total length 3,857.00m. 

West Side: (Right Side)

Cable Duct Bank:

The conduit duct bank concreting under the walkway structure has completed with total length 3,857.00m. 

Side Drainage/Catch Basin:

Completed on 30/4/2004 with total length 3,857.00m.

Walkway Structure:

 The base concreting works has been completed from station 1+643.00 to station 5+500, totaling a length of 3,857.00m. Concreting of sidewall was started from station 1+643.0 to station 5+500.00 with a total length 3,857.0m (Completed). The casting concrete of hydrant pipe saddle inside the walkway structure was also simultaneously executed with a base concrete starting from the same station and reaching to station 5+500  totaling 3,857.0m (Completed).

On May 20, 2004, a joint site inspection between the Consultant and contractors Package IA, III and IV was held prior to handing over. The west side walkway structure was tranfered by PKIA to III/IV and east side duct bank to PKIII both Zone I and J1 from station 4+910 to Station 5+470.

Main Drainage:

Completed on 05/7/04 with total length of  3,857.00m.

MT Road Works:

Sub-grade:

Completed on 09/7/04 with total length of 3,857.00m.

Base Course:

The contractor Cienco 6 continues to carry out the spreading of the first and second layers of the base course and its compaction starting from station 1+780 to 5+500 of both sides. Prior to the second layer spreading, the Engineer requires the contractor to perform field density test at every 200meters distance per point for quality checking and to follow the requirement of Technical Specifications, Section 02580-Aggregate Sub-base and Base Course. The Field Density Test for the first layer has a good result. The FDT for the second layer was also performed and has a good rate for the compaction test and moisture rating content. The Engineer also instructs  the contractor to conduct Benkelman Test with electro-mechanical measuring device from/conducted by Danang Laboratory for the final second layer of base course.

All testing of base course materials has been performed at Danang Laboratory with the presence of Consultant Engineer and that materials test results were satisfactorily passed and accepted by the Engineer. Completing with total length of 3,857.00m.

Pavement works

West side:(Right side)

The concrete pavement for standard section of the Main tunnel, was started from station 1+643.00 to station 5+500 totaling 3,857.00m(Completed). The concrete paverment works for Lay-by Right side No. 2,4,6,8,9,11 with a length of 174 metters were completed.

East side: (Left side)

The concrete pavement for standard section of the Main tunnel, was started from station 1+643.0 to station 5+500.00 totaling 3,857.00m(Completed). The concrete pavement works for Lay-by Left side No.1,3,5 7,10 with a length of 145 metters were completed.

Painting works.

East side(left side)

was started from station 1+643.0 to station 5+500, with total length of 3.857.0m (Completed).

Wast side (Right side)

was started from station 1+643.0 to station 5+500 completed upper part, the walkway wall part the remaining.

Hand rail works.

The installation of hand rail had been started at station 5+100 to station 5+500 with total length of 400.00m (Progress 11%).

Electrostatic Precipitator No. 2

Completed and handed over to PKIII& PKIV on Mar 31,2004

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