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Valve
Regulations - Los Angeles County
LOS
ANGELES REGION
ORDINANCE
NO. 171874
An ordinance
amending section 94.1219 of the Los Angeles
Municipal Code relating to the installation
of seismic gas shutoff valves in new construction
and existing buildings.
THE PEOPLE OF LOS ANGELES
TO ORDAIN AS FOLLOWS:
Section
1. Section 94.1219 of the Los Angeles
Municipal Code is hereby amended to read
as follows:
SEC. 94.1219.D. Seismic
Gas Shutoff Valves
SEC. 94.1219.1.Definitions. For
purposes of this section, certain terms shall
be defined as follows:
Downstream
of the Gas Utility Meter shall refer
to all customer owned gas piping.
Residential
building shall mean any single family
dwelling, duplex, apartment building, condominium,
townhouse, lodging house congregate residence,
hotel, or motel.
Seismic
Gas Shutoff Valve shall mean a system
consisting of a seismic sensing means and
actuating means designed to automatically
actuate a companion gas shutoff means installed
in a gas piping system in order to shut
off the gas downstream of the location
of the gas shutoff means in the event of
a severe seismic disturbance, The system
may consist of separable components or
may incorporate all functions in a single
body. The terms "Seismically Activated
Gas Shutoff Valve" and "Earthquake Sensitive
Gas Shutoff Valves" are synonymous.
Upstream
of the Gas Utility Meter shall refer
to all gas piping installed by the utility
up to and including the meter and the utility's
bypass tee at the connection to the customer
owned piping.
SEC. 94.1219.2.
Scope An approved seismic has shutoff
valve shall be installed downstream of
the gas utility meter on each fuel gas
line where the line serves the following
buildings or structures:
SEC. 94.1219.2.1. A
building or structure containing fuel gas
piping for which a building permit was first
issued on or after September 1, 1995.
SEC. 94.1219.2.2. An
existing building or structure which is altered
or added to; and
SEC. 94.1219.2.2.1. That
building or structure has fuel gas piping
supplying the existing building or structure
or the addition to the building or structure;
and
SEC. 94.1219.2.2.2. The
alteration or addition is valued at more
than $10,000 and a building permit for the
work in commercial buildings was first issued
on or after September 1, 1995. Alterations
to the individual units or tenant spaces
shall require seismic gas shutoff valves
to be installed for all gas piping serving
that commercial building.
SEC. 94.1219.2.2.3. The
alteration or addition is valued at more
than $10,000 and the building permit for
the work in residential buildings including
condominium units, is first issued on or
after January 10, 1998. Alterations or additions
to an individual unit shall require seismic
gas shutoff valves to be installed for all
gas piping serving that building.
SEC. 94.1219.2.3. Building
or structures which contain fuel gas piping,
that are sold shall have seismic gas shutoff
valves installed within 12 months of sale.
The sale of an individual condominium unit
in a building shall require the installation
of seismic gas shutoff valves for all gas
piping serving that building if the building
has a single gas line. If the building in
which the condominium unit is located has
multiple gas lines then the valve only required
on the line serving the condominium unit
and any other condominium unit in the same
building.
EXCEPTIONS:
(1) Seismic
gas shutoff valves may be installed upstream
of a gas utility meter provided they meet
the requirements of this section.
(2) Seismic
gas shutoff valves installed on a building
or structure prior to September 1, 1995,
are exempt from the requirements of this
section provided they remain installed on
the building or structure and ar maintained
for the life of the building or structure.
(3) Notwithstanding
Subsections 94.1219.2.1, 94.1219.2.2 AND
94.1219.2.3 above, these provisions shall
not apply to a building or structure if the
Department determines that the building or
structure satisfies all three of the following
criteria:
(a) That
the building or structure is owned, operated,
and maintained
by governmental
entity or public utility; or that the building
or structure is
owned by a private concern and provides a
public benefit, such as a co-generation facility
which
shares its excess power with a public utility
or with large industrial facility which has
governmental contracts;
(b) That the building
or structure has available 24-hour, year-round
maintenance staffing; and
(c) That the gas
piping system contained in the building or
structure is designed to withstand seismic
effects
of
earthquakes.
(4) A
single
seismic
gas
shutoff
valve
may
be
upstream
of
the
gas
utility
meter
at
the
discretion
of
the
gas
utility.
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