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, <br /> — --- —_�.. <br /> � � UNDERWRITERS LABORATORIES INC. <br /> s � iu rn�csstn�o�n•�o�rn��oat,�wNo�e woe��ee.e s , <br /> an indcpendrnt, no�for-profi� organuacion testing for pubiie safet�• <br /> 1►uquct B , 1989 <br /> 'rhe er0oodrich Company <br /> Mr, Willism R. Rebholz <br /> mark�tinq Manag�r I <br /> 6100 Oek Tre• alvd. <br /> CS�v�laad, oH da131 <br /> Our 1laE�=�acs: EX364B <br /> � Sub�ect: :.i�ted CpVC Sprinkler pipe For vs� zn Aic <br /> 8andliag lpaca■ <br /> Deer Mr. Rebhola : <br /> Thi� ia in r��pon6e to your AueTust 8 , 1989 telephaae convarse- <br /> tion wit�h x�cry 8�11 p�rtaiaia�� to th� use o° nlazemester CPVC <br /> Spriaklec pipe in eir h�adliag spao�s. <br /> A Fset-F:ading invsatigation W�►s conduetad to d�velop i.^.formn- <br /> Lion on th� lire p•rformanc� oP r�ieted CpvC aprinkl�r pipe which <br /> inciuded :ull-�cn1e !ir• t��t� ehat eimulat�d cailinq-:loor/roaf <br /> plenum 6pI�ce fire condition� aad addiLonnl t�st� es dnscrSb�d in <br /> th• 8tandacd far Tir� T��t o! Plastic 8prinkler ?Spe for Flame <br /> and Smoke Characteristics, UL1E87 , Tha iniormntion and deta <br /> dev�loped duriag the inv�stiqation was intended to �• u�ed by <br /> the aFCoodrich Co. to �ub�t�ntiate propored chi�nqes to vrpA 9GA <br /> �nd other iaetallation cad�� relativ. to the eorsbus:i�illty aP <br /> C�vC Rprinkler pipe int�ad�d ;or iastallation in alr haadling <br /> ceiliaq-tioor/roo! plenum tpeces. <br /> Th• r�visioa� to NF1iA 90A relatisg to plas:ic �prinkier p;ging <br /> h�v� b�en recently edopt�d. Th• test reiults obeaiaed 3uring the <br /> Faet-Findinq Snv�Rtiqatian iadicat• conPormanc� wit!� the new <br /> combustibilty r�quirements !ot sprinkl�r pip� eu d�fiaed '_n the <br /> StAndard for Inst�llation o£ Air CoadiCioninq end vsntilnting <br /> syo��m�, NTPA 90A. We ar� in th� procees of ravising the <br /> Li�tinqs af CPVC plp� to r�£�rencs th• u�e of this prodsct in <br /> air handiing �paaes as d��arib�d in N!'PA 90A. <br /> ive truet the informatian provided wil� be of assisrance , <br /> Very truly your�, Reviewad by: <br /> (��ict.e• �.CJ �,2�.ai.cic.�6� I . <br /> EMIL W, M:5ICHR0 (Ext. 2036 ) KE�Li. <br /> Engin�erinq T�em Land�r Asaociat� Manaqinq encinaer <br /> 1"Sre protection Depectment Fire Protection Qeaertment <br /> Leek For Th� � Li�tlnp m CluaHlcatlon Muk On Th� product <br /> 11�:17In ftM100 MCI MMI Xaa!M•lfu C�ra Vl1MC Np11TMU1pOR.u MCI Mn Ma:16DOIUfu ��x Hc� 7•fi i'�1�1 p '6 O <br /> F' IJ d <br /> S3I S. I Z I �VrS 7H:J �k YSd2 �' : T �7 C. 6 <br />