HomeMy WebLinkAbout2456Ordinance No. 2456
["Beginning July 1, 1998"]
(Amending or Repealing Ordinances)
Amended by Ord. 3410
Repeal Ch. 13.02 by Ord. 3691
ORDINANCE NO. 2456
AN ORDINANCE of the City of Kent,
Washington, relating to fire prevention; amend-
ing Chapter 13.02.040 Kent City Code (Ordinance
No. 2434) to add a subsection (m) requiring
sprinkler systems designed with 50 or more heads
to be approved by a reviewing agency.
THE CITY OF KENT, WASHINGTON, DOES ORDAIN AS FOLLOWS:
Olda Section 1. Chapter 13.02.040 (Ordinance No. 2434) Kent
City Code is amended as follows:
13.02..040 UNIFORM FIRE CODE--ADDITION--SECTION 10.309.
Existing Sections 10.309-10.310-10.311 are hereby deleted and
there is added to Article 10 a new section to be know as Section
10.309 "Automatic Sprinkler Systems" which shall read as follows:
Section
10.309.
a Where required. An Automatic Fire Extinguishing
System
shall be installed in the occupancies and
locations
as set forth in this section.
(b) General.
1.
All occupancies except Group R, Division 3 and
Group M.
2.
At the top of rubbish and linen chutes and in
their terminal rooms. Chutes extending through',
three or more floors shall have additional
sprinkler heads installed within such chutes at,
alternate floors. Sprinkler heads shall be
accessible for servicing.
3.
All rooms where nitrate film is stored or
handled.
4.
In protected combustible fiber storage vaults
as defined in this code.
(c) Group
A Occupancies.
1.
In basements larger than 1,500 sq. ft. in floor'
area.
2.
When the occupancy has 6,000 sq. ft. or more of
floor area or is more than 40 feet in height.
3.
In any enclosed usable space below or over a
stairway in Group A, Divisions 2, 2.1. 3 and 4
Occupancies.
4.
Under the roof and gridiron, in the tie and fly`
galleries and in all places behind the
proscenium wall of stages: over enclosed
platforms in excess of 500 sq. ft. in area, and,
in dressing rooms, workshops and storerooms
accessory to such stages or enclosed platforms.
EXCEPTIONS: Under stages or enclosed plat-
form areas less than four feet in clear height
used exclusively for chair or table storage and,
lined up on the inside with materials approved
for one-hour fire -resistive construction.
(d)
(e)
(f)
(g)
Group B Occupancies
1. When the Occupancy has 6,000 sq. £t. or more of
floor area or more than 40 feet in height.
2. In buildings used for high -piled combustible
storage, fire protection shall be in accordance
with Article 61.
Group E Occupancies
1. When the Occupancy has over 6,000 sq. ft. of
floor area or more than 40 feet in height.
2. In basements larger than 1,500 sq. ft. of floor
area.
3. In any enclosed usable space below or above any
stairway.
Group H Occupancies
1. In Group H, Division 1 and 2 Occupancies longer
than 1,500 sq. ft. in floor area.
2. In Group H, Division 3 Occupancies longer than
3,000 sq. ft. in floor area.
3. In Group H, Divison 4 Occupancies more than 40
feet in height or larger than 6,000 sq. ft. in
area.
4. In rooms where flammable or combustible liquids
are stored or handled in excess of 30 gallons
of Class 1-A, 60 gallons of Class 1-B, 90
gallons of Class 1-C, 120 gallons of Class II,
250 gallons of Class III -A, or any combination
of flammable liquids totaling 240 gallons.
5. For paint spray booths or rooms and for special
provisions on hazardous chemicals and
magnesium, and calcium carbide, see Section
45.208, Articles 48, 49 and 80. See also
Section 10.301.
Group I Occupancies.
EXCEPTIONS: (1) In hospitals of types I, II
Fire -resistive and II one-hour construction,
the automatic sprinkler system may be omitted
from operating, delivery, cardiac, X-ray and
intensive care rooms and patient sleeping rooms
not exceeding 450 sq. ft. in area when each
such room is provided with smoke detectors
connected to a continuously attended station or
location within the building. Increases for
area height specified in Section 506(c) and 507
shall not apply when this exception is used.
(2) In fails, prisons, and reformatories, the
piping system may be dry, provided a manually
operated valve is installed at a continuously
monitored location. Opening of the valve will
cause the piping to be charged. Sprinkler
heads in such a system shall be equipped with
fusible elements or the system shall be
designed as required for deluge systems in
U.B.C. Standard #38-1.
(h) Group R-1 Occupancies.
1. When the occupancy has over 6,000 sq. ft. of
floor area or more than 40 feet in height.
(i) Alarms. When serving more than 100 sprinklers,
automatic sprinkler systems shall be supervised by
an approved central, proprietary or remote station
service.
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(3) Permissible Omission. Subject to the approval of
the Chief with the concurrence of the Building
Official, sprinklers may be omitted in rooms or
areas as follows:
1. Where sprinklers are considered undesirable
because of the nature of the contents or in
rooms or areas which are of non-combustible
construction which are wholly of non-com-
bustible contents and which are not exposed by
other areas. Sprinklers shall not be omitted
for any room merely because it is damp or of
fire -resistive construction.
2. Sprinklers shall not be installed where the
application of water or flame and water to the
contents constitute a serious fire or life
hazard, as in the manufacture or storage of
quantities of aluminum powder, calcium carbide,
calcium phosphide, metallic sodium and
potassium, quicklime, magnesium powder, and
sodium peroxide.
3. Safe deposit or other vaults of fire -resis-
tive construction, when used for the storage of,
records, files and other documents, when stored
in metal cabinets.
4. Communication equipment areas under the
exclusive control of a public communication
utility agency, provided:
A) The equipment areas are separated from the
remainder of the building by one-hour
fire -resistive occupancy separation.
B) Such areas are used exclusively for such
equipment.
C) An approved automatic smoke detection
system is installed in such areas and is
supervised by an approved central,
proprietary or remote station service, or a
local alarm which will give an audible
signal at a constantly attended location.
D) Other approved fire -protection equipment,
such as portable fire extinguishers or
Class II standpipes, are installed in such
cases.
5. Other approved automatic fire -extinguishing
systems may be installed to protect special
hazards or Occupancies in lieu of automatic
sprinklers.
6. When approved by the Chief, automatic sprinkler
systems may be omitted from buildings of Types
I or II construction provided that the contents
are wholly non-combustible.
7. Area and Height Increases. Sprinkler systems
installed to meet the requirements of this
Section shall qualify the protected building
for appropriate area increases, height
increases and fire -resistive substitutions as
set forth in Sections 506(c), 507 and 508 of
the Uniform Building Code. Applications of
this Section shall be as set forth in Section
104 of the Uniform Building Code.
(k) For the purposes of calculating the square footage
of a building or occupancy, the following definition
shall apply.
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Floor Area - is the area included within the
surrounding exterior walls of a building or
portion thereof. The floor area of a building
or portion thereof, not provided with surround-
ing exterior walls shall be the usable area
under the horizontal projection of the roof or
floor above.
(1) When additions, alterations or repairs cause a
building to come within the requirements of any
Section of this Article, the building shall
comply with those Sections.
(m) Prior to approval
automatic sprinkle
more heads, exclud
multi -family dwell
and reviewed by an
compliance with th
stems designed wit
those designed for
ire
mited to, Washington Survey and Ratin
reau, Factory Mutual, Industrial Risk
surers, or other such agencies as app
1
Section 2. Any act consistent with the authority and
prior to the effective date of this ordinance is hereby ratified
i and confirmed.
Section 3. Effective Date. This ordinance shall take
effect and be in force five 5 days from and after its passage,
approval and publication as provided by law.
ISABEL HOGAN, MAYOR
ATTEST:
�yf
MARIE JEN CITY LERK -
,APPROVED AS TO FORM:
aTCITY ATTORNEY
,!PASSED the 21 day of February, 1984.
11
APPROVED the 22 day of February, 1984.
PUBLISHED the day of 1984.
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li
I hereby certify that this is a true copy of Ordinance'
No. 2456, passed by the City Council of the City of Kent,
Washington, and approved g pp owed by the Mayor of the City of Kent as hereon
indicated.
(SEAL)
MPWIE JE , CI Y CLERK
1290B -183A
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