▁done , ▁and ▁the ▁tower ▁de grad ation ▁got ▁worse . ▁In ▁ 2 0 1 2 , ▁the ▁M out on ▁study ▁evaluated ▁the ▁cost ▁at ▁ 6 ▁million ▁eu ros ▁( inside ▁and ▁outside ), ▁of ▁which ▁ 6 0 % ▁could ▁be ▁supported ▁by ▁a ▁grant ▁from ▁the ▁French ▁government ▁and ▁from ▁the ▁local ▁administrative ▁department ▁( Is ère ) ▁because ▁the ▁tower ▁is ▁a ▁national ▁her itage ▁site . ▁In ▁these ▁studies , ▁the ▁rest oration ▁includes ▁the ▁re open ing ▁to ▁public ▁as ▁well ▁as ▁an ▁upgrade ▁to ▁security ▁standards . ▁ ▁The ▁ 1 2 ▁September ▁ 2 0 1 3 , ▁the ▁pet ition ▁" Save ▁the ▁Per ret ▁tower " ▁was ▁introduced . ▁It ▁got ▁more ▁than ▁ 5 0 0 ▁sign atures ▁during ▁the ▁first ▁week ▁and ▁some ▁local ▁newsp apers ▁public ized ▁the ▁information . ▁ ▁The ▁ 6 ▁February ▁ 2 0 1 4 , ▁the ▁organisation ▁" E ns emble ▁pour ▁la ▁Tour ▁Per ret " ▁(" T ogether ▁for ▁the ▁Per ret ▁tower ") ▁was ▁created ▁to ▁promote ▁protection ▁and ▁rest oration ▁of ▁the ▁Per ret ▁tower , ▁to ▁public ize ▁its ▁history ▁and ▁its ▁her itage ▁interest ▁and ▁to ▁ensure ▁and ▁contribute ▁to ▁its ▁promotion . ▁ ▁During ▁the ▁municipal ▁elections ▁in ▁March ▁ 2 0 1 4 , ▁some ▁parties ▁promised ▁to ▁act ▁for ▁the ▁tower ▁rest oration : ▁the ▁list ▁" C ro ire ▁en ▁Gren o ble " ▁( U MP , ▁U DI , ▁A