"Preparation Of Documentation For Part 1 - Renovation Of The Wd-54 Viaduct Over The A4 At Km 667+707, Part 2 - Renovation Of The Wa-53 Viaduct (Right And Left Road) Along The A4 At Km 666+682 And 666+686, Part 3 - Renovation Of The Wd-39 Viaduct Over The A4 At Km 653+084, Part 4 - Renovation Of The Wa-35 Viaduct (Right And Left Carriageway) Along The A4 At Km 648+744, Part 5 - Renovation Of The Wd-38 Viaduct Over The A4 At Km 652+269, Part 6 - Renovation Of The Pz-48 Tunnels (Right And Left Carriageway Along The A4 At Km 662+883).