Northern Savonia fairway hydrographic survey 2024 (NOSA2024 Fairway)

The Finnish Transport and Communications Agency Traficom is updating inland nautical charts 446, 447 and 452 of lake basins located in North Savo. Carrying out the update requires procuring comprehensive depth information of the lakes. The lake areas that the procurement concerns are Konnevesi, Pohjois-Konnevesi, Kiesimä, Sonkari, Vesantojärvi, Niinivesi, Pohjois-Niinivesi, Iisvesi, Virmasvesi, Rasvanki, Kuttajärvi, Nilakka and Pielavesi. The purpose of this procurement is to carry out full coverage fairway hydrographic surveying services including data processing and deliveries in the specified areas and neighboring areas, specified in the invitation to tender. The area to be surveyed is about 140 km² and it is defined in attached charts and shape-files (Attachment 1). The purpose is to perform hydrographic surveys in this area at least, where water depth is ≥ 2.5 m. Work shall be performed following IHO S-44 ed 6 and FIS-44/2021 Special Order and Order 1a requirements as stated in the technical specifications. Note 1: The opening angle of the MBES system is limited in hydrographic surveys, look at the attachment Technical specifications. The hydrographic surveys are to be performed with a professinal quality MBES system and in a professional manner. As an additional work tenderers are asked to provide a daily price for hydrographic surveys, including data processing and deliveries. Daily price is defined 12 and 24 hours survey work and respective data processing and deliveries. Possible additional work will be done near the areas defined in the invitation to tenders.

The procurement will be joint procurement with Finnish Transport Infrastructure Agency.