Larger-than-life energy facts m ag e ro o n io m ro o n En gi n m e od at H io os n pi ta Li l br ar y Pr op G ul s ym M m ro o om io cc cc om Pu m p m ro o m od at A de ck C W or ks Accommodation de ck M ai n de ck ho A p de ck Pu m p B ro o m A de ck St or um si es ‘s in pt a Ca D ay D de ck na s ca bi Br n id ge A m pe lm an n ga ng w ay Service operation vessels (SOV) Tw ee n Cinema / play room Ta nk to p Office Ta nk to p Conference room Coffee bar Laundry Main particulars Dimensions Length 83.70 m Capacities Draught Width 18 m Deck area ~ 305 m2 6,50 m Speed 14 knots Accommodation 60 persons Deadweight Fresh water Fuel oil ~ 850 m3 ~ 950 m3 Technical water Water ballast 3200 t ~ 2500 m3 ~ 2500 m3 SOVs save valuable time replenishment of supplies and equipment. This means that maintenance work with SOVs entails far less transport and unproductive time, which in turn improves productivity and turbine availability. That's why SOVs are especially suitable for wind power plants that are far from shore. While crew transfer vessels (CTVs) transport small teams of up to 12 technicians to offshore wind power plants on a daily basis, service operation vessels (SOVs) can accommodate up to 40 technicians. They stay at sea for several weeks and only need to return to port for fueling and the Effective working hours for a technician during a 12 hour shift CTV 11 = 7h 12 SOV 1 11 2 10 9 6 1 2 9 3 8 4 7 12 10 3 8 = 10 h 5 4 7 6 5 Shift start Shift start Effective working time Work preparation Transit Lunch Pre- / post-processing Yearly offshore weather uptime of CTVs and SOVs Wave height 2.5 m 1.5 m m 3,0 m 2,5 m 2,0 m 1,5 m 1,0 m 0,5 SOV 78 %* = 285 days m 3,0 m 2,5 m 2,0 m 1,5 m 1,0 m 0,5 365 days CTV 60 %* = 219 days * Offshore weather uptime per year Find more exciting facts from the world of energy at SOVs provide a larger weather window, because their motion-compensated Ampelmann gangway system enables technicians to access the turbines at wave heights of up to 2.5 meters. siemens.com/energy