Landscaping works for roads and motorways

Summary

The contract covers landscaping and related construction works for the fundamental renewal of Unter den Linden in Berlin, including the redesign of the central promenade between Wilhelmstraße and Universitätsstraße. The works include planting approximately 157 Brabant silver lime trees, removing around 80 declining existing trees, preserving 2 trees from 1936 and transplanting approximately 21 existing trees. The contracting authority will provide the new and transplanted trees and the site-specific benches. The contractor must construct planting trenches, remove and dispose of excavated material, install structural tree substrate, topsoil and mineral mulch, create perennial planting areas and paved paths, install raised granite edging with railing, construct irrigation and utility trenches, lay empty conduits and coordinate with other parties responsible for lighting works. Completion care will last up to one year, followed by three years of development care. The works are planned in five sections, with construction expected to start in the fourth quarter of 2026 and construction including completion care to finish by mid-2029; development care is planned until mid-2032. Precise exclusion, qualification and compliance requirements were not included in the machine-readable notice and must be checked in the official tender documents.