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� <br /> I <br /> I <br /> � 2. Fittings: <br /> i (a) Cast iron threaded fittings, ANSI B16.4 Class 125 <br /> and 2�0 (extra heavy). <br /> � (b) Cast iron flanged fittings, ANSI B 16.1 Class 125 <br /> � and 250. <br /> ' 3. Piping for drainage systems shall be Schedule 40 <br /> � galvanized steel pipe, ASTM A795 or A135 with <br /> ' galvanized threaded fittings, ANSI B 16.4, galvanized <br /> I coated, both interior and exterior of pipe and fittin�s. <br /> � C. Hangers, Supports, and Sleeves: <br /> ' 1. Support piping with UL and FM approved hangers. <br /> i Acceptable manufacturers: Grinnell, B-Line,Fee& <br /> Mason. <br /> I <br /> � 2. Adjustable Cle�is: Grinnell Fig. 260. <br /> , <br /> � 3. Adjustable Swivel: Grinnell Fig. 69. <br /> i <br /> • 4. Beam Clamp: Grinnell Fig. 92 and Grinnell Fig. 218. <br /> I 5. Concrete Fasteners: Grinnell steel shell and expander plug. <br /> � 6. Concrete Insert: Grinnell Fig. 152. <br /> i <br /> 7. Riser Clamp: Grinnell Fig. 261. <br /> � <br /> I 8. Powder-driven inserts shall not be accepted. <br /> � i 9. All pipes passing through rated floors or walls shall be <br /> ' � sleeved and firestopped to an equivalent rating of the floor <br /> or wall assembly. Firestop materials shall meet ASTM <br /> I i E814 requirements. <br /> � � <br /> I 2.3 SPRINKLER HEADS, EXTR.A SPRINKLER CABINET <br /> A. Provide the following sprinkler heads of proper types,ratings, and <br /> spacings for areas involved. Match existing head types. Provide <br /> appropriate finishes compatible with space finishes being served. <br /> Acceptable manufacturers: Viking, Grinnell,Automatic Sprinkler, <br /> Central, Star, and Reliable. <br /> � i 1. Brass Upright and Chrome Pendent: Central GB. <br /> , <br /> � � <br /> ' ICT 99�184 <br /> i 15300 - 3 <br /> , <br /> I ! <br /> i <br />