▁over ▁the ▁R im ut aka ▁R anges ▁when ▁the ▁R im ut aka ▁De viation ▁opened ▁in ▁ 1 9 5 5 . ▁ ▁History ▁ ▁The ▁M ung aro a ▁Cont ract ▁for ▁the ▁construction ▁of ▁the ▁W air ar apa ▁Line ▁between ▁Upper ▁H utt ▁and ▁the ▁Pak ur ata hi ▁Valley ▁included ▁a ▁station ▁near ▁the ▁termin us ▁of ▁the ▁contract , ▁originally ▁called ▁Pak ur ata hi ▁Station . ▁ ▁The ▁contract or ▁for ▁this ▁section ▁was ▁Charles ▁McK ird y , ▁who ▁was ▁to ▁have ▁completed ▁the ▁contract ▁between ▁ 3 ▁June ▁ 1 8 7 4 ▁and ▁ 3 ▁March ▁ 1 8 7 6 ▁but , ▁as ▁was ▁common ▁with ▁contract s ▁for ▁the ▁construction ▁of ▁the ▁W air ar apa ▁Line , ▁work ▁was ▁not ▁completed ▁on ▁time . ▁ ▁Having ▁run ▁out ▁of ▁money ▁with ▁two ▁months ▁of ▁work ▁left ▁to ▁complete , ▁the ▁contract ▁was ▁picked ▁up ▁by ▁McK ird y ’ s ▁gu ar ant ors , ▁Walter ▁Turn b ull ▁and ▁John ▁McK en zie . ▁ ▁They ▁applied ▁for ▁and ▁received ▁further ▁funds ▁to ▁continue ▁the ▁work , ▁which ▁was ▁completed ▁on ▁ 1 6 ▁December ▁ 1 8 7 7 . ▁ ▁When ▁work ▁was ▁near ing ▁completion , ▁the ▁Government ▁called ▁for ▁tend ers ▁to ▁ere ct ▁a ▁fourth - class ▁station ▁building ▁and ▁station master ’ s ▁house . ▁ ▁The ▁contract ▁was ▁let ▁to ▁W . ▁H . ▁R id ler ▁for ▁the ▁sum ▁of