Chapter 20.32
FIRE HYDRANTS

Sections:

20.32.010    Definitions.

20.32.020    Compliance with chapter required.

20.32.030    Water service.

20.32.040    Private hydrants – Restrictions.

20.32.050    Flush-type hydrants – Restrictions.

20.32.060    Foot valves.

20.32.070    Service main leads.

20.32.080    Provisions for private property.

20.32.090    Repealed.

20.32.100    Repealed.

20.32.110    Repealed.

20.32.120    Standard fire hydrant specifications.

20.32.130    Installation – Generally.

20.32.140    Installation – Facing and clearance.

20.32.150    Installation – Protective posts.

20.32.160    Effect of provisions on existing hydrants.

20.32.170    Obstructions prohibited – Maintenance.

20.32.180    Installation – Agent.

20.32.190    Chlorine treatment.

20.32.200    Proof of compliance required prior to issuance of building permit.

20.32.010 Definitions.

Whenever the following terms are used in this chapter they shall have the meanings as defined in this section. The definitions given shall not necessarily be limited to the meanings given whenever the term is one of common usage, in which case the definition shall be augmented and enlarged by accepted public use of the term.

A.    “Approved” means acceptable to the fire code official.

B.    “Assembly occupancies” includes, but is not necessarily limited to, churches, eating and dining establishments, and meeting rooms with an occupant load greater than 50 persons, such as city council chambers.

C.    “Available fire flow” means the water that is available in a water system to meet the required fire flow. The available fire flow shall be determined by the water purveyor through actual water flow tests or computer modeling.

D.    “Commercial and industrial properties” includes, but is not necessarily limited to, such risks as retail stores, wholesale outlets, retail and wholesale storage and warehouses, service stations, manufacturing facilities, garages, theaters, hotels, motels, restaurants, bars and taverns, banks, office buildings and professional offices, showrooms, barber and beauty shops, and high-density dwellings (multifamily).

E.    “Educational properties” means schools, public or private, and daycare facilities.

F.    “Fire department” means the fire department of the city and/or any recognized fire department normally responding into the area, to include private fire brigades organized, trained, and equipped to protect specified property.

G.    “Fire flow” means the amount of water required to extinguish a fire. For the purpose of this chapter, the requirement shall be established by the fire code official.

H.    “Fire lane” means an area providing unobstructed access from the public right-of-way to fire hydrants, fire department connections (FDC) and building access.

I.    “Flush-type hydrant” means a hydrant installed entirely below grade.

J.    “Institutional properties” includes, but is not necessarily limited to, places of worship, public and private hospitals, nursing homes, lodges, assisted living facilities, and fraternal orders, unless the structure contains a function of a commercial or industrial nature.

K.    “Private hydrant system” means a fire hydrant system situated and maintained to provide water for firefighting purposes with restrictions for its use limited to certain defined property or properties. The location may be such that it is not readily accessible for immediate use of the fire department for other than private property.

L.    “Public hydrant” means a fire hydrant situated and maintained to provide water for firefighting purposes without restriction as to use. The location is such that it is accessible for immediate use of the fire department.

M.    “Residential properties” means those intended for a purpose of human habitation. Whenever the words “single-family dwelling” are used they shall also include the structure known as a “duplex,” a two-family dwelling, and detached condominium units. A residence constructed and equipped for occupancy by more than two families and townhouses with three or more units shall be defined as a “multifamily dwelling” or “high-density dwelling,” the terms being identical in meaning. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 1, 1977).

20.32.020 Compliance with chapter required.

The installation of fire hydrants in accordance with this chapter shall be required of the owner and/or developer of any future business, commercial, institutional or industrial facility, dwelling or dwelling development. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 2, 1977).

20.32.030 Water service.

All fire hydrants installed as required by this chapter shall be served by the city water department, by a water district, or by other adequate means as approved by the city. The water authority and the fire code official shall be notified in writing when the system is available for use. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 3, 1977).

20.32.040 Private hydrants – Restrictions.

Private hydrant systems as defined in BMC 20.32.010 shall not normally be installed. When deemed necessary by the fire code official, private hydrant systems shall be limited to those cases when the number of public hydrants installed under the distance provisions of this chapter is insufficient. Private hydrant systems shall meet city requirements for public hydrant systems and shall be located as designated by the fire code official and the approving authority. The city shall have the right to go upon the premises and to use the private hydrant systems for public purposes, including testing, flushing and emergency uses. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 4, 1977).

20.32.050 Flush-type hydrants – Restrictions.

The installation of flush-type hydrants is prohibited unless approved by the fire code official in conjunction with the water purveyor. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 5, 1977).

20.32.060 Foot valves.

There shall be a foot valve installed between the service main and the hydrant sufficient to permit the repair and replacement of the hydrant without disruption of water service. The type and style shall be determined by the approving authority. The location of all such valves installed shall be properly and accurately marked on identifiable plans or drawings, two copies of which shall be furnished to the approving authority. This valve shall be furnished with a standard valve box. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 6, 1977).

20.32.070 Service main leads.

The lead from the service main to the hydrant shall be no less than six inches in diameter. Any hydrant leads over 50 feet in length from the service main to the hydrant shall be not less than eight inches in diameter. The provisions of this section shall apply without exception and regardless of the size of the service main. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 7, 1977).

20.32.080 Provisions for private property.

All mains on private property serving more than one fire hydrant shall be circulatory and not less than eight inches in diameter. The hydrants shall be not more than 300 feet (91.5 meters) apart measured around the perimeter 50 feet (15.3 meters) from the building. All buildings, except single-family dwellings, that are located so that a portion is more than 150 feet from a street property line, or located at a different elevation than the street, shall have fire hydrants around the perimeter thereof to be located on the property as directed by the fire code official. All hydrants on public or private properties shall be provided with an all-weather roadway capable of supporting fire apparatus. Such roadway shall be no less than 20 feet in width. Such roadways on private property leading to hydrants shall be designated fire lanes and shall not be obstructed in any manner. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 1236 § 11, 1986; Ord. 833 § 8, 1977).

20.32.090 Distance between hydrants – Generally.

Repealed by Ord. 2191. (Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 9, 1977).

20.32.100 Distance between hydrants – Single-family residential areas.

Repealed by Ord. 2191. (Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 1236 § 12, 1986; Ord. 833 § 10, 1977).

20.32.110 Hydrant location for building of certain fire flows.

Repealed by Ord. 2191. (Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1236 § 13, 1986; Ord. 833 § 11, 1977).

20.32.120 Standard fire hydrant specifications.

A.    Standard hydrants shall have two hose outlets that are two and one-half inches (63.5 mm) in size and one pumper port outlet.

1.    New fire hydrants to be placed in the King County portion of the city shall have a pumper port four inches (101.6 mm) in diameter with Seattle Standard threads. The hose outlets shall be two and one-half inches (63.5 mm) in diameter with a National Standard thread.

2.    New fire hydrants to be placed in the Snohomish County portion of the city shall have a pumper port four and one-half inches (114.3 mm) in diameter with National Standard threads. The hose outlets shall be two and one-half inches (63.5 mm) in diameter with National Standard threads.

B.    Each new fire hydrant shall be provided with an adapter that will convert the threaded pumper port to a four-inch (101.6 mm) Storz connection. This fitting shall be provided with set screws to anchor it to the threads along with a cap that is attached to the fitting with a cable or as approved by the fire code official.

C.    The main valve opening of all fire hydrants shall not be less than five and one-quarter inches (133.4 mm). (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1499 § 8, 1993; Ord. 1236 § 14, 1986; Ord. 914 § 1, 1978; Ord. 833 § 12, 1977).

20.32.130 Installation – Generally.

Fire hydrants shall be installed to meet City of Bothell Design and Construction Standards to include, but not be limited to, concrete blocking and strapping in all cases. The installation must also be approved by the city public works department and the appropriate water purveyor, who shall also approve the selection and use of all pipe, fittings and valves. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 13, 1977).

20.32.140 Installation – Facing and clearance.

Hydrants shall stand plumb; be set to the established grade with the lowest outlet of the hydrant no less than 18 inches above the bottom of the hydrant flange, and no less than 36 inches of clear area about the hydrant for clearance of the hydrant wrench on both outlets and on the control valve. The pumper port shall face the street. Where the street cannot be clearly defined or recognized, the port shall face the most likely route of approach and location of the fire truck while pumping, to be determined by the fire code official. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 14, 1977).

20.32.150 Installation – Protective posts.

Where needed, the fire code official may require hydrants to be protected by two or more posts. Each post shall be not less than eight inches in diameter by five feet in length, made either of reinforced concrete or steel, their location to meet the provisions of BMC 20.32.140. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 15, 1977).

20.32.160 Effect of provisions on existing hydrants.

If there presently exist fire hydrants which do not conform to the requirements of this chapter, such hydrants when replaced shall be replaced with hydrants which do conform to the standards defined in this chapter. This does not preclude a requirement by proper authority that a deficient hydrant must be replaced should structural conditions of the area change to require a hydrant or hydrants of larger flow capacity. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 16, 1977).

20.32.170 Obstructions prohibited – Maintenance.

No one shall plant any vegetation, erect any structure, or perform any action which results in obstructing the view of a fire hydrant for a distance of 100 feet from any direction of approach. The owner/occupant of any area in which a hydrant is located shall be responsible for removing weed and tree growth from around the hydrant for a distance of no less than 10 feet. The purpose of this section is to maintain visual area around the hydrant and is in addition to the requirements of BMC 20.32.140. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 17, 1977).

20.32.180 Installation – Agent.

The installation of fire hydrants may be accomplished by a recognized contractor. All installations shall be approved by the fire code official, city public works department or other water purveyor. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 18, 1977).

20.32.190 Chlorine treatment.

Following the installation of fire hydrants all piping, valves and hydrants shall be treated with chlorine as prescribed by law for installation of any other facility on a potable water system. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 19, 1977).

20.32.200 Proof of compliance required prior to issuance of building permit.

The passage of the ordinance codified in this chapter is necessary for the protection of health, safety, and welfare of the citizens of the city. No building permits shall be issued for erection of any building or structure until reasonable proof of intent to comply with this chapter is indicated and the approving authority is satisfied that hydrants are to be and/or can be installed to comply with this chapter. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 833 § 20, 1977).