NEXCO CENTRAL (Central Nippon Expressway Company Limited)

Contract-related Rules and Procedures

About bid contract system

Contract rules

Bid Monitoring Committee

Qualification registration

Rigging information and complaint handling

Low bid price survey


You can look at matters related to standards for low bid price surveys.



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Breakdown of construction cost composition

Supervision and inspection procedures

Inspection of construction system

Grade evaluation procedure

Criteria for changing contract fee

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