▁bid ▁but ▁were ▁dis qual ified ▁for ▁non - comp liance ▁with ▁the ▁financial ▁requirements . ▁A ▁Japanese ▁bid ▁was ▁ruled ▁out ▁for ▁being ▁too ▁expensive . ▁The ▁Ang lo ▁Japanese ▁Const ruction ▁J oint ▁Vent ure , ▁compr ising ▁Cost ain , ▁M its ui , ▁and ▁T raf al gar ▁House , ▁won ▁the ▁job . ▁Const ruction ▁work ▁on ▁the ▁bridge ▁began ▁in ▁June ▁ 1 9 9 2 . ▁Gam mon ▁Const ruction ▁constructed ▁the ▁ca iss ons ▁for ▁the ▁bridge ▁to wers . ▁The ▁framework ▁for ▁each ▁ca isson ▁was ▁flo ated ▁into ▁place ▁and ▁s unk , ▁and ▁then ▁filled ▁with ▁concrete ▁under water . ▁The ▁two ▁ca iss ons ▁on ▁the ▁Ma ▁W an ▁side ▁we igh ▁ 4 , 5 0 0 ▁tons ▁each , ▁while ▁those ▁on ▁the ▁T sing ▁Y i ▁side ▁( clos er ▁to ▁shore ) ▁each ▁we igh ▁about ▁ 3 , 0 0 0 ▁tons . ▁Land ▁re clam ation ▁was ▁carried ▁out ▁at ▁both ▁ends ▁of ▁the ▁bridge . ▁The ▁more ▁substantial ▁re clam ation ▁on ▁Ma ▁W an ▁was ▁used ▁as ▁a ▁work ▁platform ▁for ▁construction ▁cre ws . ▁ ▁The ▁first ▁steel ▁deck ▁segment ▁was ▁lifted ▁into ▁place ▁in ▁late ▁ 1 9 9 4 . ▁The ▁approach ▁deck ▁segments ▁were ▁constructed ▁in ▁Britain ▁and ▁Dub ai ▁and ▁then ▁sh ipped ▁to ▁Hong ▁Kong ▁for ▁assemb ling . ▁The ▁main ▁span ▁segments ▁were ▁built ▁by ▁Cleveland ▁in ▁the ▁U . K . ▁and ▁by ▁M its