Tertu gangways and bridges comply with the standards in force.
They pass the loading tests, in accordance with fascicule 61 of the CCTG (design, calculations and structural testing), with guaranteed compliance.
The design notes are based on the following DDE (French Road & Infrastructures Administration) fascicule:
- CB 71 (design rules for wooden frameworks)
- CB 61 (design and calculation of bridges
and steel structures).
Wood pressure-treated with chromium and arsenic-free preservatives