0 ▁an ▁ 1 8 - month ▁ref u elling ▁cycle ▁will ▁be ▁pil oted , ▁resulting ▁in ▁an ▁improved ▁capacity ▁util isation ▁factor ▁compared ▁to ▁the ▁previous ▁ 1 2 - month ▁cycle . ▁ ▁Saf ety ▁features ▁▁ ▁The ▁nuclear ▁part ▁of ▁the ▁plant ▁is ▁hous ed ▁in ▁a ▁single ▁building ▁acting ▁as ▁contain ment ▁and ▁miss ile ▁shield . ▁Besides ▁the ▁re actor ▁and ▁steam ▁gener ators ▁this ▁includes ▁an ▁improved ▁ref uel ing ▁machine , ▁and ▁the ▁computer ized ▁re actor ▁control ▁systems . ▁Like wise ▁protected ▁in ▁the ▁same ▁building ▁are ▁the ▁emer gency ▁systems , ▁including ▁an ▁emer gency ▁core ▁cool ing ▁system , ▁emer gency ▁backup ▁dies el ▁power ▁supply , ▁and ▁backup ▁feed ▁water ▁supply , ▁ ▁A ▁pass ive ▁heat ▁removal ▁system ▁had ▁been ▁added ▁to ▁the ▁existing ▁active ▁systems ▁in ▁the ▁A ES - 9 2 ▁version ▁of ▁the ▁V VER - 1 0 0 0 ▁used ▁for ▁the ▁K ud ank ul am ▁N uc lear ▁Power ▁Plant ▁in ▁India . ▁This ▁has ▁been ▁retained ▁for ▁the ▁newer ▁V VER - 1 2 0 0 ▁and ▁future ▁designs . ▁The ▁system ▁is ▁based ▁on ▁a ▁cool ing ▁system ▁and ▁water ▁t anks ▁built ▁on ▁top ▁of ▁the ▁contain ment ▁d ome . ▁The ▁pass ive ▁systems ▁handle ▁all ▁safety ▁functions ▁for ▁ 2 4 ▁hours , ▁and ▁core ▁safety ▁for ▁ 7 2 ▁hours . ▁ ▁Other ▁new ▁safety ▁systems ▁include ▁aircraft ▁crash ▁protection , ▁hydro gen ▁recom bin ers , ▁and