▁thought ▁they ▁had ▁been ▁removed , ▁while ▁S TP ▁admitted ▁in ▁a ▁ 2 0 1 9 ▁law suit ▁that ▁they ▁had ▁knowledge ▁of ▁the ▁pipe ▁prior ▁to ▁exc av ation . ▁ ▁In ▁early ▁February ▁ 2 0 1 4 , ▁as ▁Ber tha ▁was ▁being ▁prepared ▁to ▁res ume ▁operation , ▁workers ▁discovered ▁it ▁was ▁over he ating ▁and ▁that ▁a ▁dam aged ▁main ▁bear ings ▁se al ▁needed ▁to ▁be ▁replaced . ▁Multiple ▁options ▁were ▁discussed ▁to ▁fix ▁the ▁problem , ▁but ▁Ber tha ▁was ▁expected ▁to ▁be ▁out ▁of ▁commission ▁until ▁March ▁ 2 0 1 5 . ▁In ▁December ▁ 2 0 1 4 , ▁workers ▁began ▁dig ging ▁a ▁ ▁pit ▁in ▁order ▁to ▁lift ▁Ber tha ' s ▁front ▁end ▁up ▁to ▁street ▁level ▁for ▁rep airs , ▁but ▁were ▁delayed ▁when ▁ground water ▁p ump ing ▁caused ▁visible ▁damage ▁to ▁nearby ▁South ▁King ▁Street ▁and ▁some ▁of ▁its ▁neighbor ing ▁buildings . ▁The ▁front ▁end ▁of ▁the ▁machine , ▁including ▁the ▁dam aged ▁cut ter ▁head , ▁was ▁successfully ▁lifted ▁onto ▁the ▁surface ▁on ▁the ▁morning ▁of ▁March ▁ 3 1 , ▁ 2 0 1 5 . ▁Seattle ▁T unnel ▁Part ners ▁( ST P ), ▁the ▁contract ors ▁over see ing ▁the ▁project , ▁estimated ▁that ▁fixing ▁Ber tha ▁would ▁delay ▁the ▁opening ▁of ▁the ▁new ▁tunnel ▁by ▁an ▁additional ▁nine ▁months ▁to ▁August ▁ 2 0 1 7 , ▁which ▁was ▁later ▁extended ▁to ▁March ▁ 2 0 1 8 ▁after ▁additional