▁custom ised ▁overhead ▁line ▁equipment ▁( O LE ) ▁for ▁the ▁elect r ification ▁scheme ; ▁according ▁to ▁Brian ▁S ween ey , ▁Network ▁Rail ▁asset ▁engineer ▁for ▁elect r ification ▁in ▁Scotland , ▁traditional ▁practices ▁were ▁over turn ed ▁where ▁real istic ▁and ▁the ▁lowest ▁possible ▁wire ▁height ▁for ▁EM U ▁operation ▁was ▁specified , ▁however , ▁the ▁pre - elect r ification ▁W 7 ▁gauge ▁was ▁retained ▁for ▁the ▁line . ▁These ▁combined ▁measures ▁had ▁the ▁effect ▁of ▁lower ing ▁the ▁scheme ' s ▁cost ▁to ▁£ 1 2 ▁million . ▁ ▁While ▁Network ▁Rail ' s ▁ 2 0 1 0 ▁route ▁plan ▁update ▁stated ▁that ▁the ▁P ais ley ▁Canal ▁elect r ification ▁programme ▁was ▁to ▁commence ▁during ▁ 2 0 1 4 ; ▁the ▁work ▁in ▁fact ▁occurred ▁two ▁years ▁earlier ▁due ▁to ▁rapid ▁and ▁fav ou rable ▁progress ▁made ▁during ▁the ▁planning ▁phase . ▁In ▁June ▁ 2 0 1 2 , ▁Bab cock ▁International ▁was ▁awarded ▁a ▁fixed - price ▁design ▁and ▁construct ▁contract ▁to ▁perform ▁all ▁P ais ley ▁Canal ▁elect r ification ▁works ▁with ▁a ▁six - month ▁programme . ▁During ▁July ▁ 2 0 1 2 , ▁elect r ification ▁of ▁the ▁section ▁of ▁line ▁from ▁C ork er hill ▁to ▁P ais ley ▁Canal ▁comm enced . ▁For ▁the ▁next ▁six ▁months , ▁the ▁majority ▁of ▁work ▁was ▁carried ▁out ▁during ▁poss essions ▁held ▁at ▁week ends ▁and ▁after ▁ 8 pm ▁on ▁Mond ays ▁to ▁Th urs days ; ▁a ▁nine