The document provides specifications for the ARENDAL SPIRIT, an offshore unit for maintenance and safety that can accommodate 500 people with over 2,000 square meters of deck area and a variable deck load capacity of around 4,500 tons. Key features include a cylindrical double hull design, 7 knot speed, accommodation for 500 people in offices and meeting rooms, and equipment like cranes, tanks, workshops, and dynamic positioning. The unit is classed by DNV and was delivered in 2015 to Petrobras for operations in Brazil.