Scenario > The result in the execution of the road improvement business which construction expenses was high because of error in the integration of excavation and transportation charges of the gravel.

01.

Carelessness

02.

Insufficient Precaution

03.

Regular Operation

04.

Erroneous Operation

05.

Possible Damage

06.

Potential Hazard

The result in the execution of the road improvement business which construction expenses was high because of error in the integration of excavation and transportation charges of the gravel.

Field	Civil Engineering
Author	NAKAGAWA, Masafumi (The University of Tokyo)