Product name: 

Maintenance Works for the Infrastructure and Superstructure of the Haramain High Speed Line between Mecca and Medina during 12 years

Description: 

Maintenance of 450 km of high-speed double track:
3 maintenance bases
Complete dynamic auscultation of the line each month
Complete geometric auscultation of the line each month
Ultrasound auscultation every six months
Preventive grinding of the line every year

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