15094-7
PREFABRICATED PIPE HANGERS, SUPPORTS AND BRACING
Systems (Chemset Capsule Series); Power Fasteners (T308 Plus); or
equivalent.
2. Expansion anchors. Stainless steel AISI Type 316 for galvanized and
aluminum fabrications; cadmium plated for painted steel fabrications.
Manufactured by Hilti Fastening Systems (Kwik Bolt HI); Ramset Fastening
Systems (Tru Bolt Stud Anchor); Power Fasteners (Power Stud); or
equivalent.
PART 3 - EXECUTION
3.1
INSTALLATION
A.
B.
Install prefabricated hangers and supports in accordance with the pipe support shop
drawings, in accordance with MSS SP-89 and as specified herein.
Hangers shall be used for their intended purpose only. They shall not be used for
rigging or erection purposes.
General Contractor shall coordinate the installation of field run conduit, piping and
other utilities to avoid interference with the pipe supports.
All pipe supports shall include features to permit adjustments of pipe elevations.
Once all piping is properly aligned and at the correct elevations, the supports shall
be locked into place. Locking nuts, cotter pins, temporary locking devices and other
locking means should be properly engaged. Tack welding shall not be utilized to
lock supports in place.
Type 1 hangers using threaded rods shall be attached to the building structure or
supplemental framing. Connections to the building structure shall be with beam
clamps, welded angles or embedded concrete weld plates or threaded inserts.
Type 1 pipe hangers installed in concrete overhead shall utilize the following
anchorage:
1. All connections shall utilize a minimum of 2 anchors.
2. All drilled anchors shall have a minimum embedment depth of 6 inches,
minimum concrete edge distance of 6 inches and minimum spacing of 6
inches.
3. Install all drilled anchors in accordance with the anchor Manufacturer’s
instructions.
Secure Type 2 pipe support to structural supporting member. All pipe supports shall
be rigidly anchored to their structural supporting members.
All surfaces of steel and aluminum in contact with or embedded in concrete or
masonry shall be coated with epoxy paint (min 5 mils dry film thickness).
Valves, Fittings & Specialties: Independently support pipe connected to pumps,
equipment and piping systems.
Temporary pipe supports:
1. General Contractor shall be responsible for providing all temporary pipe
supports and rigging.
2. Lay out each section of pipeline and make connections while the pipe is held
in temporary supports.
3. After the completion of connections in each section of pipeline, hold the
section in place with temporary clamps.
13089K
