Design and author supervision for traffic safety and traffic-calming measures on regional road P1, km 27.145–27.535

Summary

The tender covers the design of a construction project for traffic safety and traffic-calming measures on a section of regional road P1 Riga–Carnikava–Adazi, from km 27.145 to km 27.535, together with author supervision during the subsequent road works and cooperation in resolving unforeseen technical issues. The design is to be completed within the bidder’s offered period, with a planned period of 270 calendar days and an absolute maximum of 297 days. Author supervision will be performed only if the contracting authority concludes and starts the related construction contract within two years after the building permit records that the design conditions have been fulfilled. The bid must cover the entire scope and be submitted electronically. The award is based on the most economically advantageous tender: price accounts for 85 points, the proposed completion period for 10 points and an optional 3D model commitment for 5 points. The 3D model commitment requires a road model and cross-sections in the specified formats and coordinate systems.