▁position ▁of ▁cl erk / secret ary ▁ ▁was ▁awarded ▁to ▁Thomas ▁F lem ing ▁Ber gin ▁who ▁with ▁his ▁engineering ▁background ▁effectively ▁controlled ▁the ▁operation ▁of ▁the ▁railway . ▁ ▁Const ruction ▁The ▁construction ▁contract ▁was ▁awarded ▁to ▁William ▁D arg an , ▁with ▁Charles ▁Black er ▁V ign oles ▁as ▁engineer . ▁ ▁The ▁line ▁began ▁at ▁West land ▁Row ▁where ▁the ▁D & K R ▁made ▁its ▁headquarters ▁and ▁initially ▁ran ▁elev ated ▁reaching ▁street ▁level ▁around ▁the ▁River ▁D od der . ▁ ▁From ▁M err ion ▁the ▁line ▁ran ▁on ▁an ▁emb ank ment ▁built ▁across ▁the ▁str and ▁to ▁Black rock ▁which ▁later ▁led ▁to ▁the ▁formation ▁of ▁Boot erst own ▁mar sh . ▁ ▁While ▁rights ▁for ▁comp uls ory ▁purchase ▁were ▁generally ▁granted , ▁this ▁was ▁not ▁the ▁case ▁for ▁two ▁land own ers ▁who ▁ins isted ▁on ▁large ▁c ash ▁compens ations ▁and ▁in ▁the ▁case ▁of ▁Lord ▁Cl on cur ry ▁the ▁building ▁of ▁a ▁private ▁foot bridge ▁over ▁the ▁line ▁to ▁a ▁bath ing ▁area ▁complete ▁with ▁a ▁Roman es que ▁temple , ▁a ▁short ▁tunnel ▁and ▁a ▁cutting ▁to ▁maintain ▁his ▁priv acy . ▁ ▁The ▁construction ▁contract ▁was ▁signed ▁on ▁ 7 ▁May ▁ 1 8 3 3 ▁and ▁was ▁completed ▁in ▁about ▁ 1 8 ▁months . ▁ ▁Thomas ▁G ri erson , ▁the ▁D W & WR ▁chief ▁engineer ▁commented ▁in ▁a ▁presentation ▁to ▁the ▁Institution ▁of ▁Civil ▁Engine ers ▁of ▁Ireland ▁in ▁ 1 8 8 7