at , ▁the ▁' Bob ▁Turn b ull ' ▁and ▁off sh ore ▁lif eb o at , ▁the ▁' R NL B ▁Es me ▁Anderson '. ▁ ▁Off sh ore ▁wind ▁farm ▁The ▁Th an et ▁Off sh ore ▁Wind ▁Project ▁required ▁the ▁construction ▁of ▁a ▁ 2 8 0 m ▁qu ay ▁for ▁the ▁assembly ▁of ▁wind ▁tur b ines . ▁Tur b ines ▁for ▁the ▁London ▁Array ▁are ▁maintained ▁from ▁an ▁operations ▁and ▁maintenance ▁base ▁at ▁the ▁port . ▁ ▁Walk way ▁collapse ▁On ▁ 1 4 ▁September ▁ 1 9 9 4 ▁there ▁was ▁a ▁failure ▁of ▁a ▁ship - to - sh ore ▁structure ▁for ▁the ▁transfer ▁of ▁foot ▁passengers ▁onto ▁fer ries . ▁It ▁col lapsed ▁in ▁the ▁early ▁hours , ▁causing ▁the ▁death s ▁of ▁six ▁people ▁and ▁seriously ▁inj uring ▁seven ▁more . ▁The ▁investigation ▁into ▁the ▁accident ▁revealed ▁that ▁the ▁same ▁basic ▁mis calcul ation ▁had ▁been ▁made ▁by ▁both ▁the ▁designer ▁( S wed ish ▁firm ▁FK AB , ▁a ▁subs idi ary ▁of ▁the ▁Matt son ▁Group ) ▁and ▁cert ifying ▁organisation ▁Lloyd ' s ▁Register . ▁The ▁parties ▁involved , ▁including ▁the ▁client , ▁Port ▁R ams gate , ▁were ▁pro sec uted ▁and ▁f ined ▁a ▁total ▁of ▁£ 1 . 7 m , ▁which ▁at ▁the ▁time ▁was ▁the ▁largest ▁fine ▁in ▁the ▁United ▁Kingdom ▁for ▁a ▁bre ach ▁of ▁health ▁and ▁safety ▁laws . ▁▁ ▁The ▁Swedish ▁fir ms ▁refused ▁to ▁pay ▁the ▁£ 1 m ▁fine ▁and