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1 <br /> c • <br /> � B. Arrange acousdcal units in manner shown by reflecled ceiling plans,or if not shown,as <br /> ? aekcted by Architect. <br /> i - <br /> C. InstaU auspenalon systema to comply with ASTM C838 and UBC Stendard 47•19 with <br /> I— hanyen eupported only hom bulldin9�Uucturs. Locat�h�nyero not I�u than 8'hom <br /> 1 each end and apaced 4'-0'elonp su�h directfiung runne, unlets otherwies ind�ated. <br /> S Wlroe ehall not hang more than 1 In 8 out ot plumb,unlesa counte�abping wires are <br /> providsd. In no we shell dellecGon szcesd t/380 of any spen. <br /> � ' 1. S�curo wiro hangero by Ioopinq and wirs-tyinp,either dfrecUy to sUuctur�tub�trete, <br /> irn�rts�eYs•ecxewe,or Wher dwice�whk�are f�curo and aPP►oP� <br /> � end wh�h will not deteriorats or fail wRh ag� me���^��°ro�wires to runn�n <br /> 1 — attad�ment to suucturo ahall bs approved bY <br /> � by cne loop and thres Gght Mrisb. 3plics�not pertnUted. <br /> 2. InsWl henqen plumb and hes hom contaet wRh ineulatbn or other objects wlth�n <br /> csiling plenum which ere not put o1 eupportinp structurel or esiliny�u�pension <br /> syat�m. Spley harpera only whKs nquked to mles obsWdlcns and oM•eet <br /> resultlnp horizantal force by lxadrq,counteroplayinq or other squally eflective <br /> — m�ms. <br /> 3, Provlde trepsze or other eupplementary aupport members at obstrucilona to <br /> — � malMak�hanyer spednp. Provid�addidqnal henysre� atruts or braces aa roquired et <br /> dl ceiling bresks or dlec:onUnuous areas• <br /> D. s�ced rat to ex��csed�4 fesl on center. C ose t pPahall be installed perpendrk,urlar and <br /> parallsl to mdn runnero to lorm 24'by�9'modules. • <br /> � '�-• E IM1aU edqs moldinga ot type Indicated at perlmetsr ot ecouetical ceilinp aree and at <br /> � locedom whero necsssery to co�csal ed9es of ecouedcal unRs. Scrsw•ettech moldinge <br /> to�ub�trats at intervals not over 18'o.c.and not mors then 3'from enda Isvellin�wkh <br /> . cNNnq suspeneion system to tolerancs ot 1/8'in 12'-0'. Miter comers axuratsy end <br /> conn�ct s�curoly. � <br /> p, geien�Reatraint: Horizontal reatraint ahall bs In accordance wNh ASTM E580 and as <br /> � " speciMd herein, unlesa othervvise requlred by the City of Everott. <br /> � t. Ths minimum horizontel restraiM shdl be sllected by four�12 gage wires secured <br /> to maln runne�s wlth�n 2'ot ths doea tae�IntenecUon and splayed 90 depreet hom <br /> � — each other a t an ang le n o t e x c e e d i n g 4 6 d e q r e e a fr o m t h s plene ot the cellinq. <br /> i <br /> �, 2, q strut laetened to the main runner shell bs exlanded to and tastened to structural <br /> members supporting floor or roof above. <br /> �' 3, d�o�a sl rr,rjjh h�1i�inpolnt within 6'feet om each walL�2�eet on center in both <br /> w _ <br /> " 4. Tertninal enda of each cross tee and maln runner shall be supported independently <br /> a meximum ot B'trom each wall with �12 9age wires. <br /> Renovatlons to <br /> Ouality Control Leboratory <br /> `" Boeing -Everett•Bldg.40-03 <br /> � 09510-5 81603.01 <br />