HomeMy WebLinkAboutOrd 0729 - Specifications and Standards for Fire Hydrants s
^1„ 1908
CITY OF T
WASHINGTON
ORDINANCE NO. 729
9
AN ORDINANCE ESTABLISHING SPECIFICATIONS AND
STANDARDS FOR FIRE HYDRANTS INSTALLED WITHIN
THE CORPORATE LIMITS OF THE CITY OF TUKWILA
THE CITY COUNCIL OF THE CITY OF TUKWILA, WASHINGTON,
DO ORDAIN AS FOLLOWS:
All fire hydrants installed within the corporate limits
of the City of Tukwila shall meet or exceed the following speci-
fications and standards:
Section 1. TYPE.
Hydrants shall conform to American Water Works Association
Specifications C 502 -54; shall be compression -type and shall have
a two -piece breaking flange with breaking thimble at the ground
line of stem; shall have a self oiling dry bonnet with factory
filled reservoir holding approximately 8 ounces of oil. Oil reser-
voir shall have not less than 2 "0," ring seals. Oil reservoir
shall be so designed as to give a complete lubrication of stems
each time the hydrant is operated. The upper stem shall have a
brass sleeve.
Hydrants shall be equipped with two 2 1/2" N.S.T. hose
ports and one 4 1/2" N.S.T. pumper discharge port; and shall have
a 1 1/4" pentagon open -lift operating nut.
Hydrants shall have a 6" M.J. bottom connection and 5 1/4"
main valve opening; shall be designed for a 42" bury and shall
have 18" above grade level to the center of the pumper discharge
port.
Hydrant color to be "Rustoleum" #659 Yellow Gloss.
l 1
-1-
c
Hydrants are to equal Mueller #A -24015 or Mueller
"A -419.
Section 2. INSTALLATION.
Hydrants shall not be clos r than 4 feet to any object;
i.e., fences, parking, buildings, etc., (with the exception of
hydrant guard posts.)
Guard posts shall be installed around hydrants not pro-
tected by curbs, so as to prevent an automobile from contacting
the hydrant. The guard posts shall be either steel (minimum 4"
diameter) or concrete (minimum 8" diameter.) Posts shall be
3 feet from the center of the hydrant and shall not be in direct
line with any discharge ports. Posts shall be 6 feet long;
3 3 1/2 feet shall be buried. Painted finish shall be the
same as for hydrants.
All hydrants shall be installed with an auxiliary gate
valve between the hydrant main valve and the water main. The gate
valve shall be U.L. approved and have a 2" square operating nut.
The valve shall be installed at the hydrant lateral Tee. If the
hydrant is greater than 10 feet from the main, the gate valve
shall be installed in the lateral line, 10 feet from the hydrant.
The protector cover for the valve shall be left in plain view,
flush with grade after landscaping or paving.
Hydrants, auxiliary gate valves and supply lines shall be
installed to meet sound engineering standards per NFPA #24,
paragraphs 4202, 4301, 4302, 4303, 4304, 4305.
Section 3. COVERAGE.
Hydrants shall be placed so that no point of a building
(around its perimeter) is greater than 300 feet from a hydrant.
When geographical or construction features prevent the
placing of water mains and /or hydrants, the Fire Prevention Bureau
-2-
R
A
may authorize the use of approved "wall hydrants" or similar
devices. Such authorization must be in writing.
Section 4. ACCESSIBILITY.
Hydrants shall be in plain view for a distance of
50 feet in the line of vehicular approach. (Free from shrubs,
trees, fences, landscaping, etc.)
The 4 1/2" pumper discharge port shall face the street,
or in the case of private hydrants, shall face toward the prop-
erty being protected.
Section 5, SUPPLY.
Hydrant supply lines shall be of such size and design
as to provide the required fire -flow as recommended by the
Washington Survey and Rating Bureau Standards.
Tapping into City water mains shall be by the process
known as "wet- tapping," so as to allow uninterrupted service on
those mains.
Section 6. EXCEPTIONS.
Any exceptions to items covered by this Ordinance shall
be made by the Chief of the Fire Department and the Officer in
charge of the Fire Prevention Bureau of the Tukwila Fire Department.
Such exceptions must be in writing.
PASSED BY the City Council and approved by the Mayor
at a regular meeting thereof on the f' ,day of September, 1972.
-..2r77t°,
Ma y br
Attest:
ii Pi r,� Q.�
City Clerk
Approved as to Form
/6Z-
O City Attorney
Published:
-3-