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� I � � � �II � I SUPPORTS AND ANCHORS � I SECTION 15140 � ,I ' I 3. PART 3- EXECUTION �I � i �� 3.1 PREPARATION: Proceed with installation of hangers, supports and anchors when building � sfructural work has been completed and prior to fireproofing. Correct inadequacies, including I proper placement of inserts, anchors and other building structural attachments. ,� � � 3.2 INSTALLATION OF BUILDING ATTACHMENTS � AI. Install building attachments for piping support. Space attachments as indicated in MSS �� , SP-69, unless otherwise indicated or specified. Install building attachments for � � concentrated loads, including equipment, valves, flanges, guides, strainers, expansion � j joints and changes in direction of piping. i � I � B�. Concrete: Install concrete inserts before concrete is placed; fasten insert securely to I forms. Where concrete with compressive strength less than 2500 psi is indicated, install � reinforcing bars through openings at top of inserts. Prior to placing concrete, install nut ' ' � in insert and screw threaded rod through nut until rod is firmly against top of insert body. � 3.3 PROVISIONS FOR MOVEMENT _ i4. Install hangers and supports to allow controlled movement of piping systems and to II permit freedom of movement between pipe anchors, and to facilitate action of expansion I I joints, expansion loops, expansion bends and similar units. I � � B. Load Distribution: Install hangers and supports so that piping live and dead loading and �I ! stresses from movement will not be transmitted to connected equipment. � I ,� iC. Pipe Slopes: Provide indicated pipe slopes, and do not exceed pipe deflections allowed ,� i by ANSI 631. I �I �D Insulated Piping: Comply with the following installation requirements: � � � 1. Clamps: Attach clamps, including spacers (if any), to piping with clamps projecting � � through insulation; do not exceed pipe stresses allowed by ANSI B31. I i I 2. Shields: Where low-compressive-strength insulation or vapor barriers are indicated I i � on cold or chilled water piping, install coated protective shields. For pipe 8" and � ; i over, install wood insulation saddles or factory equivalent. � � 3. Saddles: Where installation without vapor barrier is indicated, install protective � saddles. � � � ! 3.4 �INSTALLATIONOFANCHORS � il � !A. Install anchors at proper locations to prevent stresses from exceeding those permitted I � by ANSI B31, and to prevent transfer of loading and stresses to connected equipment. ,I � � 1. Anchor Spacing: Install anchors as indicated or per manufacturer's ; I recommendations. I �i. Painting of Base Supports: Refer to painting work sections of these specifications. � � , (97008-040497) 15140-3 i II � il �