Maintenance of infrastructures on section 1 of Metro Line 9

• Security, custody and protection services.
• Upkeep and maintenance of property.
• Maintenance and repair of electrical and electronic equipment and systems.
• Maintenance and repair of plumbing equipment and systems and water and gas pipes.
• Maintenance and repair of heating and air conditioning equipment and systems.
• Maintenance and repair of fire fighting and safety equipment and systems.
• Maintenance and repair of lifting and horizontal movement equipment and systems.
• General cleaning services: daily cleaning of public areas and scheduled cleaning of technical offices together with removing graffiti and maintaining anti-scratch sheets on demand.