Progress Report > Package IV - Mechanical Works

Physical Progress | Photographs | Construction Supervision

As of March 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)	738 of 1080 (68.33%) Remaining 342 days
Progress
	- Continue the installation for water piping for Water Supply and Treatment System in main tunnel - Place the based concrete for High Level Reservoir

Photographs

	Installation of Air Inlet Side Wall for EP1
	Ceiling Work for EP3
	Backfilling - Foundation Work for Ventilation Adit Building
	Concrete Placing for Beams
	Installation of Reiforcing Steel for Chimney
	Brick Work

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Construction Supervision

Summary

Water Supply and Treatment System:

Reinforcing steel bars for High Level Reservoir installed.

Hydrant piping installation in the main tunnel started.

Tunnel Ventilation System:

Start the building works of ceiling for EP1 and EP3

EP and auxiliary machines for EP1 & EP3, Supply/Exhaust fans, EP control equipment were impoprted and stored at the warehouse in Danang.

Ventilation Adit Building

Continue the concrete placing for beams.

Construction Supervision

Permanent work

Water Supply and Treatment System

Installation of water piping in main tunnel progressed as follows:

- Marking   897m      Zone F (Mar 15~20)

            Zone K, J2 (Mar 23~25)

- Anchoring   932m      Zone F (Mar 13~20)

            Zone L (Mar 1~4), K (Mar 28~31)

- Piping   424m   Zone E (Mar 1~6), F (Mar 23~29)

            Zone L (Mar 4~9)

- Pressure test   773m   Zone C (Feb 26~Mar 9), D (Mar 10~15)

            Zone E (Mar 16~)

Tunnel Ventilation System

EP1 & EP3         Structural work of ceiling including installation of Inlet side wall and Separation wall started.

Ventilation equipment are imported and kept at warehouse in Danang

EP units and Auxiliary machines for EP3

EP control panel for EP1 & EP3

Ventilation Adit Building

Concrete is placed for

Beams                    Mar 3, 9, 15

Footings                  Mar 5, 9

Chimney                 Mar 9

Lean Concrete        Mar 8

Slabs                      Mar 9, 15, 24

Pit slabs                  Mar 20

Pit walls                  Mar 24, 27

Ventilation Adit Connection

Making Design Work

Joint Inspections for Taking Over

Walkway pit:      Mar 19   Zone F (North), Mar 29 Re-inspection

Mar 19     Zone K, J2 (South)

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