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1406.0 Pipe, Tubing, and Fittings
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Process pipe, tubing, and fittings shall
comply with the applicable standards in Table 1701.1 and
shall be installed in accordance with the manufacturer's
installation instructions. Materials shall be rated for the operating
temperatures and pressures of the system, and shall be
compatible with the type of liquid.
HPP supply
piping or tubing in service corridors shall be exposed to view.
HPP piping shall be identified in accordance with nationally
recognized standards to indicate the material being transported.
Liquid HPP piping shall have an approved means for
directing spilled materials to an approved containment or
drainage system.
Liquid HPP waste or drainage systems shall be installed in accordance with the plumbing code.
Liquid HPP waste or drainage systems shall be installed in accordance with the plumbing code.
Hazardous process supply pipe
shall not be located within exit corridors, within a portion
of a means of egress required to be enclosed in fire-resistive
construction, or in concealed spaces in or above areas not classified as Group H Occupancies, except as
permitted by this subsection.
Hazardous production material piping and tubing shall be permitted to be installed within the space defined by the walls of exit corridors and the floor or roof above, or in concealed spaces above other occupancies in accordance with Section 1406.2.1.1 through Section 1406.2.1.6.
Hazardous production material piping and tubing shall be permitted to be installed within the space defined by the walls of exit corridors and the floor or roof above, or in concealed spaces above other occupancies in accordance with Section 1406.2.1.1 through Section 1406.2.1.6.
Automatic
sprinklers shall be installed within the space unless
the space is less than 6 inches (152 mm) in the least
dimension.
Ventilation at not less than
6 air changes per hour (ACH) shall be provided. The
space shall not be used to convey air from other
areas.
HPP supply piping and tubing
and HPP nonmetallic waste lines shall be separated
from the exit corridor and from an occupancy
other than a semi-conductor fabrication facility classified
as a Group H Occupancy by construction, as
required for walls or partitions that have a fire-protection
rating of not less than 1 hour. Where gypsum
wallboard is used, joints on the piping side of the
enclosure need not be taped, provided the joints
occur over framing members. Access openings into
the enclosure shall be protected by approved fire
assemblies.
Readily
accessible manual or automatic remotely activated
fail-safe emergency shutoff valves shall be installed
on piping and tubing other than waste lines at the following
locations:
- At branch connections into the fabrication area.
- At entries into exit corridors. Excess flow valves shall be installed as required by the fire code.
Electrical wiring
and equipment located in the piping space shall be
approved for Class I, Division 2, Hazardous Locations.
Exception: Occasional transverse crossing of the corridors
by supply piping that is enclosed within the corridor
need not comply with Section 1406.2.1.1 through
Section 1406.2.1.6.
In addition
to other requirements of this section, HPP gases shall
comply with this subsection and the fire code.
Where hazardous
production material gas is used or dispensed and the
physiological warning properties for the gas are at a
higher level than the accepted permissible exposure limit
for the gas, a continuous gas-monitoring system shall be
provided to detect the presence of a short-term hazard
condition. Where dispensing occurs and flammable gases
or vapors are capable of being present in quantities in
excess of 20 percent of the lower explosive limit, a continuous
gas-monitoring system shall be provided. The
monitoring system shall be connected to the emergency
control station.
Related Code Sections
1210.1 Hydronics, Piping, Tubing, and Fittings
or tubing shall comply with
Section 1221.2.
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California Mechanical Code 2019 > 12 Hydronics > 1210.0 Materials > 1210.1 Piping, Tubing, and Fittings
1406.0 Process Piping, Pipe, Tubing, and Fittings
Process pipe, tubing, and fittings shall
comply with the applicable standards in Table 1701.1 and
shall be installed in accordance ...
1406.0 Process Piping, Pipe, Tubing, and Fittings
Process pipe, tubing, and fittings shall
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Pipe, tube, fittings, solvent
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California Plumbing Code 2019 > 6 Water Supply and Distribution > 604.0 Materials > 604.1 Pipe, Tube, and Fittings