Welcome to Our Site!


Project Information > Contract Packages

Package IV - Mechanical Works

Executing Agency Ministry of Transport and Communication
Employer Project Management Unit 85 (PMU 85)
Loans Under JBIC-Japan Bank for International Cooperation

Joint Ventuve of NIPPON KOEI CO., LTD. (Japan) and LOUIS BERGER INC. (USA) in association with TEDI (Vietnam)

Contractor Matsushita - Itochu Consortium


Package Data

  • Scope of Works

The Contract Package IV - Mechanical Works shall consist engineering, manufacturing, supply, installation, testing and commissioning, operation personnel training and guidance on maintenance of:

1. Water Supply and Treatment System consisting of:

(a) Water catchment and pre-treatment system consisting of weir, grit chamber, rough filter and intake reservoir;

(b) Pump station and treatment system - two pump with capacity of 5.5 m3/h each;

(c) A 100m3 capacity high water reservoir for fire fighting and service water reserve - two rectangular water chambers with 50m3 capacity each;

(d) An approximately 62 meter long down pipe from the high water reservoir down to tunnel niche level; and

(e) Approximately 6,274 meters long main fire suppression pipe installed along the walkway of the main tunnel including hydrant niches at 100 meter intervals with hydrants, niche covers, hoses, and fire extinguishers.

2. Tunnel Ventilation System consisting of

(a) Three 260 m3/s electrostatic precipitator including panels and auxiliary facilities;

(b) Six 2500 mm fans in electrostatic precipitator chambers;

(c) Two 3000 mm supply fans and two 3000 exhaust fans panels and auxiliary facilities in the ventilation building;

(d) Thirty-two 1530 mm jet fans in the main tunnel;

(e) A ventilation control system including:

- Five visibility meters

- Two CO meters

- Five anemometers

- Two traffic counters; and

(f) A ventilation building.

  • Overall Construction Work Schedule

This homepage is presented by the Consultant Team

Any further question should be forwarded to Webmaster or Consultant Team

Progress To Date

By Figure
By Primavera

Tunnel Excavation

By Number
By Figure
By Plan
By Chart

Monthly Progress

Package IA
Package IB
Package IIA
Package IIB
Package III
Package IV
Package V
Package VI
Package VII

News and Events
Public Media
Visitor List

Organization Charts

The Employer
The Consultant
The Contractors

Consultant Office

List of Staff
Members Only

Project Information
Project Map
Major Features
Contract Packages
Package IA
Package IB
Package IIA
Package IIB
Package III
Package IV
Package V
Package VI
Package VII
Natural Conditions
Socio-Economic Dev.

Public Relations
Site Map
Contact Us
Related Agencies
Guest Book

Our Gallery
Computer Graphics
Photo Selection

Around Project
Highway Network in
Projects in Central
of Vietnam

Tiếng Việt