A tender file read in full, drawings and sections included.

Chapter A carries 15% of the technical score (DCE_pole-echanges-gare.pdf p.3). Cross-checking the tender rules, the specifications and the drawings, here are the sensitive points to cover:

1. Live gas main under the platforms

• The shelter anchor blocks go down to -1.20 m, below the live gas main at -0.95 m: the excavation cuts across the main (p.8, p.7).

2. Rail interface

• 3 m strip worked at night only, 8 weeks of approval before any plant over 3.5 t (p.7).

3. Keeping bus services running

• Temporary bus station in service before any demolition, line opening on a fixed date (p.9).

+ 2 more: neighbours and local constraints, coordination between lots.