▁crossing ▁during ▁the ▁programme ▁period ▁ 1 9 8 9 – 1 9 9 3 ". ▁ ▁In ▁ 1 9 8 9 , ▁the ▁government ▁recommended ▁a ▁further ▁feas ibility ▁study ▁to ▁consider ▁the ▁need ▁for ▁a ▁crossing ▁and ▁the ▁technical , ▁economic ▁and ▁oper ational ▁aspects ▁of ▁the ▁various ▁crossing ▁options . ▁The ▁study ▁confirmed ▁the ▁find ings ▁of ▁the ▁original ▁Fe as ibility ▁Study . ▁A ▁further ▁Public ▁In qu iry ▁was ▁held , ▁with ▁hear ings ▁in ▁July ▁and ▁December ▁ 1 9 9 0 , ▁which ▁considered ▁further ▁the ▁alternative ▁of ▁a ▁four ▁l ane ▁crossing ▁rather ▁than ▁the ▁planned ▁two ▁l ane ▁crossing . ▁ ▁In ▁ 1 9 9 2 , ▁the ▁Minister ▁approved ▁a ▁Bridge ▁Order ▁for ▁a ▁four ▁l ane ▁imm ers ed ▁t ube ▁tunnel . ▁ ▁In ▁the ▁interven ing ▁time , ▁the ▁Irish ▁government ▁had ▁also ▁established ▁the ▁National ▁Ro ads ▁Author ity ▁( N RA ) ▁to ▁advance ▁the ▁long ▁term ▁development ▁of ▁the ▁national ▁roads ▁network . ▁Dec lan ▁O ' D ris coll ▁was ▁appointed ▁the ▁Chief ▁Engine er ▁of ▁that ▁authority ▁and ▁together ▁with ▁J . D . ▁Sh ink win , ▁Director ▁of ▁E w bank ▁P ree ce ▁Oh E och a , ▁and ▁W . A . ▁Fitz ger ald , ▁C ork ▁City ▁Engine er , ▁formed ▁an ▁inform al ▁Techn ical ▁Ste ering ▁Committee ▁for ▁the ▁T unnel ▁Project . ▁ ▁Fin ancing ▁and ▁contract ing ▁The ▁IR £ 7 0 ▁million