, ▁at ▁the ▁n ort he astern ▁and ▁south western ▁corners ▁of ▁Broad ▁Street ▁and ▁Exchange ▁Place . ▁The ▁New ▁York ▁City ▁Council ▁approved ▁the ▁construction ▁of ▁the ▁elev ators ▁in ▁July ▁ 2 0 1 8 , ▁and ▁granted ▁the ▁developers ▁ 7 1 , 3 9 1 ▁additional ▁square ▁feet ▁in ▁z oning ▁rights ▁in ▁exchange ▁for ▁building ▁the ▁elev ators . ▁However , ▁residents ▁and ▁ten ants ▁of ▁ 1 5 ▁and ▁ 3 0 ▁Broad ▁Street ▁opposed ▁construction ▁of ▁glass - and - met al ▁elev ators , ▁cit ing ▁they ▁pos ed ▁a ▁risk ▁for ▁terror ist ▁attacks . ▁ ▁References ▁ ▁Category : Res ident ial ▁sk ys c rap ers ▁in ▁Manh attan ▁Category : Fin an cial ▁District , ▁Manh attan ▁Category : Pro posed ▁sk ys c rap ers ▁in ▁the ▁United ▁States ▁Category : B road ▁Street ▁( Man h attan ) <0x0A> </s> ▁The ▁A . M . ▁Is ay ev ▁Chem ical ▁Engineering ▁Design ▁Bureau ▁( Russ ian : ▁), ▁also ▁known ▁as ▁K B ▁Kh im M ash ▁or ▁just ▁K B K h M , ▁is ▁a ▁Russian ▁ro cket ▁engine ▁design ▁and ▁manufact uring ▁company . ▁It ▁is ▁located ▁in ▁the ▁city ▁of ▁Kor oly ov . ▁It ▁started ▁as ▁the ▁OK B - 2 ▁division ▁of ▁the ▁N II - 8 8 ▁research ▁inst itute , ▁where ▁A . Is ae v ▁directed ▁the ▁development ▁of ▁liquid ▁ro cket ▁engines ▁for ▁ball istic ▁miss ile ▁sub mar