Kallbåda and Längden Lighthouses
Porkkala Lighthouse is located on the rock isle about 20 km south of Upinniemi. The lighthouse has 6 floors. The fuselage is of reinforced concrete and partly brick-masonry construction. The light stand is of metal construction.
Lighthouse Condition Survey in 2014, Fitness Review in 2020.
Repair design and working expert tasks of exterior surfaces and photostall structure v.2020-2022..
The inner surfaces of the beacon of the 4th floor of the concrete end wall,
The repair plan for the room space of the lighthouse keeper on the 5th floor (tower section) and the concrete stairs and light stand between the 4th and 5th floors. Repair work and expert duties continue.
Längden light house is located off Hanko and Raasepori on the open sea, about 20 km east-southeast of Hanko harbour. The lighthouse is a reinforced concrete cylindrical tower about 15 metres high set up on a rock. The foundation of the lighthouse is likely anchored to the rock by rock anchors. The lighthouse has four intermediate levels inside, i.e. the lighthouse has five floors including the light device space. Condition Inspection v.2019 and repair design and quality assurance in 2020-2021