15094-3
PREFABRICATED PIPE HANGERS, SUPPORTS AND BRACING
At all locations indicated on the Contract Drawings.
At all locations such that the maximum support spacing listed above are not
exceeded.
3. At all locations such that the allowable load capacity of the prefabricated
hangers are not exceeded.
At the end of all pipe runs.
At all changes in pipe direction greater than 22 degrees.
Within 1 foot of all valves, couplings, expansion joints and pipe joints.
All other locations deemed necessary by the Contractor, Pipe Support Design
Engineer or pipe manufacturer.
8. | Spaced such that the deflection in the pipe under operating conditions does not
exceed L/360, where L is the distance between supports.
J. All drilled anchors used in suspended Type 1 pipe supports shall meet the following
requirements:
1. Anchors shall have a minimum of 2 anchors per hanger.
2. Anchors shall be sized to provide a Factor of Safety of 5 on the
manufacturer’s ultimate capacity of the anchor.
3. Anchors shall have a minimum embedment depth of 6 inches, minimum
spacing of 6 inches and a minimum edge distance of 6 inches.
K. All pipe supports shall be designed for the following loads:
1. Dead loads (including cement lining, insulation, etc)
2. Liquid Density — use a liquid specific gravity of 1.10 for water and use the
appropriate liquid specific gravity for chemicals, unless otherwise noted
3. | Operational Thrust — refer to Specification Section 15050
4. Water Hammer Thrust — refer to Specification Section 15050
5. Thermal forces — refer to Specification Section 15050
N=
NAMES
1.5 SUBMITTALS
A. Submit a complete set of shop drawings of all items to be furnished under this
Section and as required by Section 01340.
B. Technical submittals for all projects shall include the following information:
1. Representative catalog cut for each different type of pipe hanger, brace, or
support indicating the materials of construction, material finishes, pipe sleeve
or insulation information, protective shields, important dimensions and range
of pipe sizes for which that hanger is suitable. Where standard hangers and/or
supports are not suitable, submit detailed drawings showing materials and
details of construction for each type of special hanger and/or support.
2. Representative catalog cuts for accessories (e.g., threaded rod, insulation
shields and saddles, never-seize compound, etc.)
PART 2 - PRODUCTS
2.1 GENERAL
A. All insulated pipe shall be furnished with a pipe insulation shield and/or saddle at
each pipe support location as specified herein.
B. Where pipe hangers and supports come in contact with copper piping, provide
protection from galvanic corrosion by wrapping pipe with 1/16-inch thick neoprene
13089K
