ferred ▁to ▁as ▁ 7 M ) ▁contains ▁the ▁building ' s ▁fleet ▁of ▁ 7 ▁M its ub ishi ▁ 2 0 0 0   k W ▁gener ators ▁reserved ▁for ▁building ▁operations , ▁as ▁well ▁as ▁a ▁separate ▁generator ▁manufact ured ▁by ▁C ater p ill ar ▁Inc . ▁which ▁is ▁reserved ▁for ▁the ▁building ' s ▁life ▁safety ▁system . ▁The ▁ 7 th ▁floor ▁also ▁houses ▁the ▁building ' s ▁ 3 ▁electric ▁ch ill ers ▁( 2 ) ▁ 1 , 4 0 0 ▁ton ▁ch ill ers , ▁as ▁well ▁as ▁( 1 ) ▁ 1 , 2 0 0 ▁ton ▁ch iller . ▁Morgan ▁Stanley ▁site ▁control ▁is ▁also ▁contained ▁on ▁the ▁ 7 th ▁floor . ▁This ▁site ▁operations ▁command ▁center ▁mon itors ▁conditions ▁of ▁all ▁of ▁Morgan ▁Stanley ' s ▁properties . ▁ ▁The ▁building ▁contains ▁various ▁U PS ▁systems ▁throughout ▁the ▁facility , ▁strateg ically ▁located ▁according ▁to ▁the ▁locations ▁of ▁critical ▁loads ▁such ▁as ▁Tr ading ▁Flo ors , ▁Data ▁Cent ers , ▁and ▁Data Comm ▁rooms . ▁ ▁Morgan ▁Stanley ▁typically ▁conduct s ▁an ▁annual ▁test , ▁as ▁well ▁as ▁prevent ative ▁maintenance ▁of ▁all ▁the ▁building ' s ▁mechanical , ▁and ▁elect rical ▁components ▁in ▁January . ▁During ▁this ▁ 1 2 - 2 4 ▁hour ▁period , ▁the ▁building ▁is ▁completely ▁dark , ▁including ▁its ▁ret ail ▁ten ants ▁as ▁well ▁as ▁its ▁prominent ▁Sc rolling ▁Stock ▁Qu ote ▁T icker . ▁During ▁this ▁time , ▁another ▁Morgan ▁Stanley