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� i � ' � � ! SUPPORTS AND ANCHORS i ; i SECTION 15140 � � i � � �� 2.2 PIPING HANGERS AND SUPPORTS �� I �� A.' Except as otherwise indicated, provide factory-fabricated products of MSS type and size �� , , required, complying with MSS SP-58 and manufacturer's published product information. , � Provide selection as determined by Installer for installation requirements, complying with - anufacturer's ublished roduct information� size roducts for � I MSS SP 69 and m , p , P P I equipment and piping, including insulation. Comply with Standard Plumbing Code , requirements. i I B� Hangers and supports shall be galvanized steel, of the following types: i ; i 1. Adjustable Clevis Hanger: MSS Type 1,fabricated from steel. � 2. Adjustable Band Hanger: MSS Type 7,fabricated from steel. I � ; 3. Double Bolt Pipe Clamp: MSS Type 3,fabricated from steel. � 4. Saddle Support: MSS Type 37, including saddle and U-bolt. Fabricate base- i , ; support from steel pipe and include cast-iron flange or welded-steel plate. � ; 5. Two-bolt Riser Clamp: MSS Type 8 (for vertical piping). � ; i I ' C. Hanger-Rod Attachments: Hanger rods shall be galvanized steel. � DI. Building Attachments: Size units for the piping and equipment loading. i I � E. Shields: Provide shop-fabricated shields, MSS Type 40. Size shields for insulation. � i F. Provide hanger wire and channels in accordance with UL Fire Resistant Assembly. � ! Refer to Architectural drawings for proper UL Assembly Design Number. , � � 2.3 MISCELLANEOUS MATERIALS � A. Metal Framing: Comply with NEMA Std. ML 1. � I B. Steel Plates, Shapes and Bars: Comply with ASTM A36. `I � ' '� �C. Cement Grout: Portland cement (ASTM C150, Type I or Type III) and clean, uniformly i � � graded, natural sand (ASTM C404, Size No. 2). Mix at a ratio of 1.0 part cement to 3.0 �, � parts sand, by volume, with minimum amount of water required for placement and i � j hydration. � �i 'D. Heavy Duty Steel Trapezes: Fabricate from steel shapes selected for loads required; weld steel in accordance with AWS standards. Material shall be galvanized steel and, i , , where welded joints occur, painted with two coats of zinc chromate or equal rust I � preventative paint. , � � I � � 2.4 j ROOF EQUIPMENT SUPPORTS � , i iA. General: Construct roof equipment supports using minimum 18-gauge galvanized steel ' ' with fully mitered and welded corners, internal bulkhead reinforcing, integral base plates, ;' ' pressure treated wood nailer, and 18 gauge galvanized steel counterflashing. I � �B. Configuration: Construct to sizes as indicated, compensate for slope in roof so top of i support is dead level. i � � � � . � (97008-040497) 15140-2 i � � jl �