Progress Report > Package IV - Mechanical Works

Physical Progress | Photographs | Construction Supervision

As of May 31, 2004

Physical Progress

Contractor	Matsushita - Itochu Consortium
Commencement of the Works	13 March 2002
Contract period	1080 days (Until March 12, 2005)
Time Elapsed (days)	808 of 1080 (74.81%) Remaining 272 days
Progress
	- Continue the work for Water Supply and Treatment System and Tunnel Ventilation.

Photographs

	Bell Mouth Installed for EP1
	Bell Mouth Installed for EP3
	Parts of EP Fan Pedestal
	Bell Mouth of EP1 View From Inlet Side
	Manufacturing of Guide Vane at the Factory in Danang
	Construction Work for Ventilation Adit Building

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Construction Supervision

Summary

Water Supply and Treatment System:

Reinforcing steel bars for High Level Reservoir installed.

Continue the Hydrant piping installation in the main tunnel.

Tunnel Ventilation System:

Shop drawing for machinery of Ventilation System were approved.

Start the Building work of ceiling for EP1 and EP3 and Anchoring work for EP2.

EP and auxiliary machines for EP1, 2 and 3, EP fan for EP1 and 3, Supply/Exhaust fans, EP control equipment  were imported and stored in the warehouse in Danang.

Ventilation Adit Building:

Concrete placed for columns, beams, slabs and wall.

Construction Supervision

 Water Supply and Treatment System

+ Installation of water pipes in the main tunnel

- Marking  615m,  Zone I (May 17~19), Zone J1 (May 20~24)

- Anchoring,  995m, Zone H (May 03~06), Zone I (May 20~22),

                           Zone J1 (May 24~31)

- Piping 0m       

- Pressure test  784m,  Zone N (Apr 21~May 06), Zone M (May 06~18)

Tunnel Ventilation System

+ EP1 & EP3                   - Dismantling form of RC wall and repair work

                                      - Installation of Bell mouths

+ EP2                            - Anchoring for building work, Preparing shop drawings

+ Jet Fan   - Cable supports in walkways installed

Ventilation Adit Building

+ Continuing form work for beams, columns and steel bar arrangement

+ Modification of shop drawings

Ventilation Adit Connection

+ Anchoring for building work

+ Installation of brackets

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