Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Ebe a na-agafe agafe: N'abalị iri na otu n'ọnwa Septemba n'afọ 2001, ihe ndị dakasịrị adakasị mebiri ụlọ elu ahụ mgbe Ụlọ Elu Ebe Ugwu nke Ụlọ Ọrụ Azụmahịa Ụwa dara. Iberibe ihe ndị ahụ mụnyekwara ọkụ, bụ́ nke nọgidere na-enwu n'ehihie ahụ dum n'okpukpu ụlọ ndị dị n'okpuru. Usoro mgbochi ọkụ nke ụlọ ahụ enweghị nrụgide mmiri iji lụso ọkụ ahụ ọgụ, ụlọ ahụ wee daa kpamkpam na 5:21:10 pm, dị ka FEMA si kwuo, ebe ọmụmụ NIST nke 2008 tinyere oge ọdịda ikpeazụ na 5:20:52 pm. Mgbada ahụ malitere mgbe otu ogidi dị mkpa n'ime ụlọ gbagọrọ agbagọ ma mee ka ọdịda nke ihe owuwu ahụ dum, nke mbụ a na-ahụ anya site n'èzí na mgbakasị nke ụlọ elu ụlọ elu na 5:20:33 pm. Ọdịda ahụ mere 7 World Trade Center ochie ụlọ mbụ dị elu nke amaara na ọ dara n'ihi ọkụ a na-achịkwaghị achịkwa, na n'oge ahụ, naanị ụlọ elu igwe kwụ otu ebe n'ụwa dara n'ihi ọkụ. Iwu nke 7 World Trade Center ọhụrụ malitere na 2002, wee wuchaa ya na 2006. Ụlọ ahụ dị okpukpu 52 (gbakwunyere otu ala ala), na-eme ka ọ bụrụ nke 28 kachasị elu na New York. E wuru ya n'ebe dị ntakịrị karịa nke mbụ, nke Greenwich, Vesey, Washington, na Barclay Streets gbara ya gburugburu n'ebe ọwụwa anyanwụ, n'ebe ndịda, n'ebe ọdịda anyanwụ, na n'ebe ugwu. Obere ogige dị n'ofe Greenwich Street na-ekpuchi ebe bụbu akụkụ nke ụlọ mbụ ahụ. Ihe owuwu nke ụlọ nke ugbu a na-emesi nchebe ike, nke nwere isi ihe e ji ígwè rụọ, steepụ ndị sara mbara karị, na ogidi ígwè ndị na-eguzogide ọkụ. Ọ na-ejikọkwa ọtụtụ atụmatụ imepụta akwụkwọ ndụ akwụkwọ ndụ. Ụlọ ahụ bụ ụlọ ọfịs azụmahịa mbụ na New York City iji nweta U.S. Green Building Council's Leadership in Energy and Environmental Design (LEED) asambodo, ebe o meriri ọkwa ọlaedo. Ọ bụkwa otu n'ime ọrụ ndị mbụ a nabatara ịbụ akụkụ nke usoro ihe omume nke Council maka Leadership in Energy and Environmental Design <unk> Core and Shell Development (LEED-CS).  Ajụjụ: Olee otú ụlọ ahụ dịruru n'elu?
Ụlọ dị okpukpu 52 n'ịdị elu