    Sentence’; 1.1995), tie building “owners, Lie Pot  Authotity of New York. and New: Jersey), issued guidelines  Yo igrade the! fireproofing to'2 thickness. Linches .   ‘in, 1959 ‘the..Port  jpgrade the fireprooting ts    Sentence 2:.Thé NIST discovered. thar,  ~ Authority issued guidelines io uj  a thicknéss 6f 11/2 inches: *         