▁construction ▁companies , ▁assist ed ▁in ▁getting ▁logs ▁onto ▁the ▁upper ▁t iers , ▁and ▁volunte ers ▁from ▁those ▁companies ▁were ▁on - hand ▁at ▁all ▁times ▁to ▁offer ▁advice . ▁Emer gency ▁medical ▁techn icians ▁were ▁also ▁required ▁to ▁be ▁on ▁site ▁at ▁all ▁times ▁and ▁no ▁more ▁than ▁ 7 0   stud ents ▁at ▁a ▁time ▁were ▁allowed ▁on ▁the ▁stack . ▁Once ▁the ▁stack ▁was ▁finished , ▁a ▁bur nt - or ange ▁ou th ouse ▁with ▁" t . u ▁frat ▁house " ▁painted ▁on ▁the ▁front ▁was ▁placed ▁on ▁top ▁of ▁the ▁stack . ▁ ▁Although ▁between ▁two ▁and ▁five ▁thousand ▁students ▁participated ▁in ▁the ▁construction ▁of ▁Bon fire ▁each ▁year , ▁most ▁worked ▁only ▁part - time , ▁and ▁many ▁worked ▁only ▁one ▁or ▁two ▁sh ifts . ▁Student ▁workers ▁were ▁organized ▁by ▁d orm itories ▁or ▁Corps ▁units , ▁with ▁a ▁separate ▁off - camp us ▁student ▁team . ▁Many ▁former ▁students ▁participated ▁with ▁teams ▁they ▁belonged ▁to ▁as ▁students . ▁Each ▁team ▁had ▁assigned ▁sh ifts , ▁although ▁individuals ▁were ▁not ▁limited ▁to ▁working ▁only ▁the ▁assigned ▁sh ifts . ▁Stud ents ▁working ▁on ▁Bon fire ▁wore ▁" gro des " — old ▁T - sh ir ts , ▁je ans , ▁and ▁bo ots . ▁By ▁tradition , ▁gro des ▁were ▁either ▁not ▁was hed ▁until ▁after ▁Bon fire ▁burn ed ▁or ▁not ▁was hed ▁at ▁all . ▁ ▁In ▁ 1 9 8 3 , ▁the ▁city ▁of ▁College ▁Station ▁began ▁manufact