▁ob sole te ▁steam ▁locomot ives ▁at ▁Bran x hol me ▁to ▁arrest ▁er os ion . ▁ ▁Bran x hol me ▁is ▁located ▁along ▁the - then ▁W ai rio ▁Branch ▁( now ▁the ▁Oh ai ▁Indust rial ▁Branch ) ▁at ▁the ▁point ▁where ▁the ▁railway ▁cross es ▁the ▁O re ti ▁River . ▁Due ▁to ▁the ▁river ▁coming ▁alongside ▁the ▁railway ▁in ▁an ▁S - b end ▁before ▁passing ▁under ▁the ▁railway ▁bridge , ▁the ▁railway ▁emb ank ment ▁was ▁pr one ▁to ▁er os ion ▁caused ▁by ▁the ▁flow ▁of ▁the ▁O re ti . ▁Initial ▁attempts ▁to ▁control ▁this ▁using ▁large ▁quantities ▁of ▁rock ▁and ▁other ▁de br is ▁were ▁un success ful , ▁and ▁so ▁N Z R ▁decided ▁to ▁use ▁old ▁steam ▁locomot ives ▁which ▁had ▁been ▁with dra wn ▁as ▁a ▁bul w ark ▁against ▁this ▁er os ion . ▁ ▁In ▁ 1 9 2 7 , ▁N Z R ▁sent ▁the ▁h ul ks ▁of ▁fifteen ▁stri pped ▁locomot ives ▁to ▁Bran x hol me ▁for ▁er os ion ▁control ▁purposes . ▁The ▁locomot ives ▁were ▁moved ▁into ▁position ▁and ▁then ▁were ▁t ipped ▁by ▁a ▁steam ▁c rane ▁into ▁the ▁river . ▁The ▁first ▁to ▁be ▁t ipped ▁into ▁the ▁river ▁was ▁the ▁h ulk ▁of ▁P ▁ 1 3 3 , ▁which ▁subsequently ▁lod ged ▁on ▁the ▁bank ▁above ▁the ▁river ▁and ▁had ▁to ▁be ▁further ▁t ipped ▁by ▁the ▁c rane ▁to ▁fall ▁into ▁the ▁river . ▁During ▁the ▁t ipping