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Drawing No. Rev. <br /> ENGINEERING JUDGMENT FIRESTOP DETAIL NS06917021 - <br /> Cold Smoke Seal <br /> 0 <br /> o.. <br /> 0' <br /> 0 <br /> a a hill • � <br /> • ll ll 4 A . <br /> . L1 <br /> 0 <br /> .�C <br /> 1. Floor Assembly (1 Hr) -Min 2"thick concrete over metal deck(max 3"deep flutes) floor assembly. <br /> 2. Penetrants -Annular space is min 0"9point contact)to max 2". Any combination of the following may be installed: <br /> A. Two (or fewer) max 3/4"diam (or smaller) copper with max 3/4"thick AB/PVC pipe insulation. <br /> B. Two (or fewer) max 3/4"diam (or smaller) copper pipes. <br /> C. Two (or fewer) max 4 pair No. 18 AWG thermostat cable. • <br /> 3. Packing Material -Min 4 pcf density mineral wool batt insulation tightly packed and installed within opening to a <br /> min 1-1/2"depth, recessed from top surface of floor to accommodate for the required depth of sealant. <br /> 4. Sealant-SpecSeal®LCI Sealant applied to completely cover mineral wool to a min 1/2"depth, flush with top <br /> surface of floor. Sealant applied at point contact locations as a min 1/2"diam bead. <br /> THIS DESIGN REPRESENTS A FIRESTOP SYSTEM EXPECTED TO PASS THE STATED RATINGS IF TESTED <br /> Project: Mtorres Signature: SO ste-AJm-8084 Reference: <br /> Project Address: Everett,WA 98201 <br /> Designed by: Gary Mason <br /> Contractor:Mechanical FirestopServices Scale: Date: Based on testing to ASTM E814/UL 1479:Standard for Fire <br /> N.T.S. 3/10/2017 PAGE 1 OF 1 Tests of Penetration Firestops <br /> All statements,technical information,and recommendations contained herein are based <br /> Specified Technologies Inc. upon tests we believe to be accurate;however since the conditions of use and application <br /> are beyond our control,STI shall not be liable for any damage,direct or consequential, <br /> ys� 110!vane Way•Somevllle,NJ0187$USA•Toll Free:100.992.1110•T1+1901.52/.1100 resulting from the use of this material or design.STI'ssole warranty shall be to refund or <br /> . F:*1808237.8415•Eteeheery@aGflreetop.eom•wwwWflrestopeom replace materials found to be defective. <br /> s*f <br />