▁was ▁a ▁much - antic ip ated ▁land mark ▁designed ▁by ▁a ▁well - res pected ▁architect , ▁but ▁was ▁known ▁in ▁the ▁ 1 9 7 0 s ▁for ▁its ▁engineering ▁fla ws ▁as ▁well ▁as ▁for ▁its ▁architect ural ▁achiev ement . ▁The ▁opening ▁of ▁the ▁building ▁was ▁delayed ▁from ▁ 1 9 7 1 ▁to ▁ 1 9 7 6 , ▁and ▁the ▁total ▁cost ▁is ▁rum ored ▁to ▁have ▁increased ▁from ▁$ 7 5   mill ion ▁to ▁$ 1 7 5   mill ion . ▁It ▁was ▁an ▁embar rass ment ▁for ▁the ▁firm , ▁for ▁modern ist ▁architect s , ▁and ▁for ▁the ▁architecture ▁industry . ▁ ▁During ▁the ▁exc av ation ▁for ▁the ▁tower ' s ▁foundation , ▁temporary ▁steel ▁retain ing ▁walls ▁were ▁ere cted ▁to ▁create ▁a ▁space ▁in ▁which ▁to ▁build . ▁The ▁walls ▁war ped , ▁giving ▁way ▁to ▁the ▁cl ay ▁and ▁mud ▁fill ▁of ▁the ▁Back ▁Bay ▁which ▁they ▁were ▁supposed ▁to ▁hold ▁back . ▁The ▁sh ifting ▁so ils ▁dam aged ▁utility ▁lines , ▁the ▁side walk ▁pav ement , ▁and ▁nearby ▁buildings — including ▁the ▁historic ▁Tr inity ▁Church ▁across ▁St . ▁James ▁Avenue . ▁Tr inity ▁Church ▁won ▁an ▁$ 1 1 ▁million ▁law suit ▁to ▁pay ▁for ▁rep airs . ▁ ▁There ▁were ▁problems ▁with ▁the ▁innov ative ▁use ▁of ▁blue ▁reflect ive ▁glass ▁in ▁a ▁steel ▁tower : ▁entire ▁ 4 ′ ▁× ▁ 1 1 ′ , ▁ 5 0 0 - lb ▁(