Firestopping Book Firestopping Book | Page 76

Duct Penetration ENGINEERING JUDGMENT FIRESTOP DETAIL DS PROJECT : CONTRACTOR : F RATING OF ASSEMBLY : 2 HOURS 3" A FRONT VIEW A 2 4 3 1 5 SECTION A-A (Fig 3.13- Duct EJ) THIS ENGINEERING JUDGMENT REPRESENTS A FIRESTOP SYSTEM THAT WOULD BE EXPECTED TO PASS THE STATED RATINGS IF TESTED. (REFERENCE : UL SYSTEM NUMBER C-AJ-7051, WJ-7109, C-AJ 7145) HILTI India Pvt Ltd. 6th Floor Building 8 Tower C, DLF CyberCity Phase II, Gurugram - 122 002 Hilti Firestop Systems Designed by Sheet 1/2 Scale Not to scale Date Representative only Saving Lives through Innovation and Education 28th March, 2018 Drawing No. 015_EJ_DS _DAICEC _VOLTAS _20180328