5 ▁= ▁ 1 3 ▁Te V ▁( as ▁of ▁June ▁ 2 0 1 5 ) ▁of ▁its ▁European ▁counter part , ▁the ▁Lar ge ▁Had ron ▁Coll ider ▁( L HC ) ▁at ▁C ER N ▁in ▁Gene va . ▁However , ▁the ▁planned ▁lum inos ity ▁was ▁only ▁one ▁t enth ▁of ▁the ▁design ▁lum inos ity ▁of ▁the ▁L HC . ▁ ▁Although ▁some ▁claimed ▁that ▁the ▁SS C ▁cost ▁was ▁largely ▁due ▁to ▁the ▁massive ▁civil ▁engineering ▁project ▁of ▁dig ging ▁a ▁huge ▁tunnel , ▁that ▁was ▁somewhat ▁of ▁a ▁dist ort ion . ▁The ▁t unn eling ▁and ▁conventional ▁facility ▁build out ▁budget ▁was ▁only ▁about ▁ten ▁percent ▁of ▁the ▁total ▁budget ed ▁cost ▁( 1 . 1 ▁billion ▁dollars ▁out ▁of ▁a ▁total ▁cost ▁of ▁ 1 0 ▁billion ). ▁ ▁The ▁major ▁cost ▁item ▁was ▁the ▁magnet s , ▁still ▁in ▁labor atory ▁development ▁phase , ▁consequ ently ▁with ▁a ▁higher ▁level ▁of ▁uncertainty ▁attached ▁to ▁the ▁final ▁cost . ▁ ▁The ▁L HC ' s ▁advantage ▁in ▁terms ▁of ▁cost ▁was ▁the ▁use ▁of ▁the ▁pre - ex isting ▁engineering ▁infrastr ucture ▁and ▁ 2 7   km ▁long ▁ca vern ▁of ▁the ▁Lar ge ▁Electron – Pos it ron ▁Coll ider , ▁and ▁its ▁use ▁of ▁a ▁different , ▁innov ative ▁magnet ▁design ▁to ▁b end ▁the ▁higher ▁energy ▁particles ▁into ▁the ▁available ▁tunnel . ▁The ▁L HC ▁eventually ▁cost ▁the ▁equivalent ▁of ▁about ▁ 5 ▁billion ▁US ▁dollars ▁to ▁build . ▁The