Chapter 20.10
AUTOMATIC SPRINKLER, FIRE DETECTION AND SMOKE DETECTION REQUIREMENTS

Sections:

20.10.010    Definitions.

20.10.020    Conformance required.

20.10.030    Automatic fire alarm/detection and sprinkler systems.

20.10.040    Existing buildings.

20.10.050    (Reserved).

20.10.060    (Reserved).

20.10.070    Size and protection of openings.

20.10.080    Structural steel.

20.10.090    (Reserved).

20.10.095    Schedule for compliance.

20.10.100    Smoke alarms required.

20.10.110    Conflicting requirements.

20.10.120    Severability.

20.10.130    Violation – Penalties.

20.10.010 Definitions.

As used in this chapter, the words or phrases listed shall have the meanings set forth herein. Wherever a term is undefined in this chapter, such term shall have its ordinary meaning as set forth in the latest edition of “Webster’s International Dictionary of the English Language” (unabridged edition).

A.    “Amusement building” shall mean a building or portion thereof, temporary or permanent, that contains a system that transports passengers or provides a walkway through a course so arranged that the means of egress are not apparent or distinguished or are not readily available due to the method of transportation through the building or structure. “Amusement building” shall include but not be limited to Halloween haunted houses, carnival fun houses, halls of mirrors, etc.

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

C.    “Automatic,” as applied to fire protection devices, a device or system providing an emergency function without the necessity for human intervention and activated as a result of a predetermined temperature rise, rate of temperature rise or combustion products.

D.    “Automatic smoke detection system” means a fire alarm system that has initiation devices that utilize smoke detectors for protection of an area such as a room or space with detectors to provide early warning of fire.

E.    “Automatic fire-extinguishing system” means an approved system of devices and equipment which automatically detects a fire and discharges an approved fire-extinguishing agent onto or in the area of a fire.

F.    “Dwelling unit” means a single unit providing complete, independent living facilities for not more than one family, including permanent provisions for living, sleeping, eating, cooking and sanitation.

G.    “Fire door” means a door and its assembly that is listed for the proposed use, so constructed and assembled in place as to give protection against the passage of fire.

H.    “Local fire detection system” means an approved system consisting of approved detectors, and audible/visual devices installed throughout a building. These devices shall be connected to an alarm system panel on the premises capable of simultaneously warning all spaces within the building.

I.    “Noncombustible” means a material no part of which, in the form it is used, will ignite when subjected to fire. Any material which liberates flammable gas when heated to any temperature up to 1,380 degrees Fahrenheit for five minutes shall not be considered noncombustible.

J.    Occupancies Defined. The occupancy groups set forth herein shall have the meanings as adopted in Chapter 20.04 BMC (Building Regulations and International Codes) as now existing or hereafter amended.

K.    “Repair facilities” means aircraft, automotive, or marine facilities where hazardous operations are conducted, to include, but not be limited to, cutting/welding operations, spraying operations or where other open flame equipment is being utilized.

L.    “Smoke detection device” means an assembly, incorporating in one unit a device which detects visible or invisible particles of combustion, the control equipment, and the alarm-sounding device, operated from a power supply either in the unit or obtained at the point of installation.

M.    “Sprinkler piping” means any approved copper, plastic or steel piping when approved by a listing service, and installed in a manner approved by the manufacturer.

N.    “Townhouses” means a single-family dwelling unit constructed in a group of three or more attached units in which each unit extends from foundation to roof and with open space on at least two sides. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 2052 § 5 (Exh. E), 2010; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 1499 § 4, 1993; Ord. 1353 § 16, 1989; Ord. 1236 § 5, 6, 1986; Ord. 1032 § 1, 2, 1982; Ord. 961 § 5, 6, 7, 1980; Ord. 901 § 3, 1978).

20.10.020 Conformance required.

From June 4, 1980, all buildings erected, constructed, moved within or into the city shall be of Type IA or IB, Type IIA or IIB, Type IIIA or IIIB, Type IV or Type V as defined in the International Building Code, and shall meet the requirements of this chapter. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 2052 § 5 (Exh. E), 2010; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 961 § 8, 1980; Ord. 901 § 3, 1978).

20.10.030 Automatic fire alarm/detection and sprinkler systems.

A.    Minimum Standards. This section sets forth the city’s minimum requirements for automatic fire alarm/detection and fire sprinkler systems. If other chapters of the Bothell Municipal Code are found to be in conflict with the provisions of this section, such chapters shall only supersede this section where such standards exceed the minimum requirements set forth herein.

B.    Fire barriers as noted in the International Building Code shall not be considered to separate a building to enable deletion of the required fire alarm/detection and fire sprinkler systems required by this chapter.

C.    Automatic Sprinkler Systems. Automatic sprinkler systems shall be installed and maintained in operable condition as specified in this chapter and the 2015 IFC, NFPA 13, 13R, and 13D in the following locations:

1.    All occupancies except one- and two-family dwellings and Group R, Division 3.

2.    Group A Occupancies (Assembly).

a.    In rooms and/or buildings used by the occupants for the consumption of alcoholic beverages and unseparated accessory uses where the total area of such unseparated rooms and assembly uses exceeds 5,000 square feet (465 square meters) or is more than 40 feet (12.9 meters) in height;

b.    In any multi-theater complex;

c.    In basements larger than 1,500 square feet (139.4 square meters) in floor area;

d.    When the structure has over 6,000 square feet (557 square meters) of floor area or is more than 40 feet (12.9 meters) in height;

e.    In any enclosed usable space below or over a stairway;

f.    An approved automatic fire sprinkler system shall be installed in all amusement buildings. The main water-flow switch shall be electrically supervised. The sprinkler main shutoff valve shall be supervised. When the amusement building is temporary, the sprinkler water supply system may be of an approved temporary type;

    EXCEPTION:    An automatic fire sprinkler system need not be provided when the floor area of a temporary amusement building is less than 1,000 square feet (92.9 square meters) and the exit travel distance from any point is less than 50 feet (15.2 meters) unless the building is already protected by a complete fire sprinkler system.

g.    All stages shall be provided with an automatic fire sprinkler system. Such sprinklers shall be provided throughout the stage and in dressing rooms, workshops, storerooms and other accessory spaces contiguous to such stages.

    EXCEPTIONS:

(1)    Sprinklers are not required for stages 1,000 square feet (92.9 square meters) or less in area and 50 feet (15.2 meters) or less in height where curtains, scenery or other combustible hangings are not retractable vertically. Combustible hangings shall be limited to a single main curtain, borders, legs and a single backdrop unless the building is already protected by a complete fire sprinkler system.

(2)    Under stages or enclosed platform areas less than four feet (1,219 mm) in clear height used exclusively for chair or table storage and lined on the inside with 5/8-inch (16 mm) Type X gypsum wall board or an approved equal.

3.    Group B Occupancies (General Business).

a.    When the structure has over 6,000 square feet (557 square meters) of floor area or is more than 40 feet (12.9 meters) in height;

b.    In buildings used for high-piled combustible storage, fire protection shall be in accordance with Chapter 32 of the International Fire Code.

4.    Group E Occupancies (Educational).

a.    All newly constructed Group E Occupancies having an occupant load of 50 or more for more than 12 hours per week, or four hours in one day, or if the building has more than 6,000 square feet (557 square meters) of floor area, or is more than 40 feet (12.9 meters) in height shall be provided with a complete fire sprinkler system;

b.    In basements larger than 1,500 square feet (139.4 square meters) of floor area;

EXCEPTION:    Portable school classrooms; provided, that the:

(1)    Aggregate area of clusters of portable school classrooms does not exceed 5,000 square feet (465 square meters); and

(2)    Clusters of portable school classrooms are separated as required by the State Building Code and the International Building Code.

5.    Group F Occupancies (Manufacturing/Industrial).

a.    When the structure has over 6,000 square feet (465 square meters) of floor area or is more than 40 feet (12.9 meters) in height.

b.    Woodworking operations in excess of 2,500 square feet (232.3 square meters) in floor area which generate finely divided combustible waste or which use finely divided combustible materials.

6.    Group H Occupancies (Hazardous).

a.    For all Group H Occupancies;

b.    Paint spray booths or rooms and for special provisions on hazardous chemicals and magnesium, and calcium carbide.

7.    Group I Occupancies (Institutional). An automatic fire sprinkler system shall be installed and maintained in structures housing all Group I Occupancies. In addition, approved quick response or residential sprinklers shall be installed throughout patient sleeping areas in all Group I Occupancies.

8.    Group M Occupancies (Mercantile). When the structure has more than 6,000 square feet (557 square meters) of floor area or is more than 40 feet (12.9 meters) in height.

9.    Group R Occupancies (Residential Occupancies, Townhouses, Hotel, Motel and Multifamily Occupancies). Fire sprinklers shall be provided when:

a.    When a building has three or more townhouses constructed with common walls or the aggregate structure size (which includes all of the townhouses in one structure) exceeds 6,000 square feet (557 square meters) of floor area or more than 40 feet (12.9 meters) in height;

b.    When a hotel/motel structure (R-1) exceeds 6,000 square feet (557 square meters) of floor area or is more than 40 feet (12.9 meters) in height;

c.    When a building housing an R-2 Occupancy (multifamily) exceeds 6,000 square feet (557 square meters) of floor area or is more than 40 feet (12.9 meters) in height.

10.    Group S-1 Occupancies (Moderate Hazard Storage Occupancy). When the structure has over 6,000 square feet (557 square meters) of floor area, or is more than 40 feet (12.9 meters) in height, or houses a repair facility as defined in BMC 20.10.010 and it exceeds 3,000 square feet (278.8 square meters) in floor area.

    Group S-2 Occupancy (Low Hazard Storage). When the structure has over 6,000 square feet (557 square meters) of floor area, or has more than one floor level above or below grade, or is more than 40 feet (12.9 meters) in height.

    EXCEPTION:    Open parking garages that are constructed of Type IA or IB fire resistive construction as identified in the currently adopted edition of the International Building Code. Except, fire extinguishers and fire standpipes shall be provided as required by the fire code official.

11.    Group U Occupancies (Miscellaneous). For Group U Occupancies, structures larger than 6,000 square feet (557 square meters) in floor area or more than 40 feet (12.9 meters) in height.

    EXCEPTION:    When the Group U, Division 1 Occupancy is used in conjunction with a Group R, Division 3 Occupancy or a one- or two-family dwelling which is used as a noncommercial private residence(s).

D.    Permissible Omissions. Subject to the approval of the fire code official, 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 noncombustible construction with wholly noncombustible contents and which are not exposed by other areas. Sprinklers shall not be omitted from any rooms 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 may 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 and other vaults of fire resistive construction, when used for the storage of records, files and other documents, when stored in metal cabinets.

4.    Other approved automatic fire extinguishing systems may be installed to protect special hazards or occupancies in lieu of automatic sprinklers when listed and approved by the fire code official.

E.    Area and Height Increases. Sprinkler systems designed and installed to NFPA 13 requirements shall qualify the protected building for appropriate area increases, height increases and fire resistive substitutions as set forth in the International Building Code.

F.    All fire protection systems required under this code shall be maintained in an operable condition at all times. The frequency of maintenance shall be as required by the International Fire Code and NFPA standards. If for any reason a system is not maintained as required by this subsection the fire code official may require that a fire watch be posted as required by Section 901.7 of the International Fire Code.

G.    Monitoring and Alarms. When serving more than 19 sprinklers or when required by the fire code official, automatic sprinkler systems, or any other fire protection equipment, shall be supervised by an approved central or proprietary station service or a local alarm which will give a visual and audible signal at a constantly attended location on the protected premises. All buildings protected by a fire sprinkler system shall have an approved fire alarm system installed for occupant notification. The fire alarm system shall meet the requirements of NFPA 72 and be approved by the fire code official. Alarms shall be monitored through the building’s fire alarm panel and the signal shall be transmitted by the use of a system approved by the fire code official, complying with NFPA requirements and maintained under a maintenance agreement. The approved receiving facility shall be licensed by the state and carry a state electrical contractor’s license.

H.    Fire Detection/Notification System.

1.    An approved fire detection system which conforms to the most current edition of the NFPA 72 shall be installed, as approved by the fire code official, in buildings in the city which are less than 6,000 square feet (557 square meters) and not protected by an approved automatic fire extinguishing system.

2.    All those new buildings sharing common wall(s) and having a total aggregate area of 6,000 square feet (557.4 square meters) or more and not protected by an approved fire extinguishing system shall have installed a fire detection system monitored by a U.L. listed, state licensed receiving facility, conforming to NFPA 72 as approved by the fire code official.

    EXCEPTIONS:

a.    Group R, Division 3 occupancies and one- and two-family dwellings which are used solely as a noncommercial private residence(s).

b.    Group U occupancies used in conjunction with Group R, Division 3 occupancies and one- and two-family dwellings. Group B occupancies less than 1,000 square feet (92.9 square meters) shall be protected as required by the fire code official.

I.    Fire Alarm Control Panels.

1.    The fire alarm control panel shall meet NFPA 72 standard and be an addressable type panel approved by the fire code official.

    EXCEPTIONS:

a.    Existing building fire alarm control panel replacements are as approved by the fire code official.

b.    R-2 occupancies are allowed conventional fire alarm control panels. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 2124 § 5 (Exh. E), 2013; Ord. 2052 § 5 (Exh. E), 2010; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 1499 § 5, 1993; Ord. 1353 § 17, 1989; Ord. 1236 § 8, 1986; Ord. 1032 § 3, 1982)

20.10.040 Existing buildings.

A.    Existing buildings housing Group R, Division 1 and 2 Occupancies shall be equipped with an approved automatic fire extinguishing system or a local fire detection system.

    EXCEPTION:

1.    Group R, Division 1 and 2 Occupancies which are two stories or less in height and contain 16 or less dwelling units that do not have interior corridors serving dwelling units and where each dwelling unit has a means of egress directly to an exit access leading directly to the level of exit discharge as approved by the fire code official.

B.    Buildings or structures to which additions, alterations or repairs are made shall comply with all requirements for new buildings or structures in those portions being altered, repaired or added to, as adopted by the Bothell Municipal Code. When additions to structures or alterations, or repairs to any structure within any 12-month period exceeds 50 percent of the assessed value of an existing building or structure, such building or structure shall be made to conform to all the requirements of BMC 20.10.030 for a new building.

C.    In the case of buildings or structures to which additions are made such that the resulting total square footage of the building exceeds that listed in BMC 20.10.030, the entire building or structure shall be made to comply with BMC 20.10.030.

D.    Change of Use. Any change in use of an existing building or development that would place it in a different occupancy classification or division, as defined in the International Building Code, shall meet all the requirements for the new occupancy or use as set forth in BMC 20.10.030. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1499 § 6, 1993; Ord. 1353 § 18, 1989; Ord. 1032 § 3, 1982; Ord. 961 § 10, 1980; Ord. 901 § 3, 1978).

20.10.050 (Reserved). (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996).

20.10.060 (Reserved). (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996).

20.10.070 Size and protection of openings.

When a building on either side of a firewall is unsprinklered, no openings in the firewall shall exceed 120 square feet (11.2 square meters) in area with no dimension greater than 12 feet (3.7 meters), and the aggregate width of all openings in each story shall not exceed 25 percent of the length of the wall. All openings shall be protected by an approved automatic closing fire assembly, actuated by a smoke and ionization detector interconnected to each side of the opening. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 1353 § 19, 1989; Ord. 1236 § 9, 1986; Ord. 901 § 3, 1978).

20.10.080 Structural steel.

All structural steel in any unsprinklered building, except Type IA, IB, IIA, or IIIA buildings, shall be one-hour protected. Structural steel in a sprinklered building shall be protected as required by applicable codes.

    EXCEPTION:    Group R, Division 3 occupancies unless otherwise required by law.

(Ord. 2191 § 5 (Exh. E), 2016; Ord. 2052 § 5 (Exh. E), 2010; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 1353 § 20, 1989; Ord. 901 § 3, 1978).

20.10.090 (Reserved). (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996).

20.10.095 Schedule for compliance.

A.    All buildings housing Group R, Division 1 or 2 Occupancies in existence on February 17, 1982, shall have an approved fire detection system installed and in service prior to January 1, 1983.

B.    All buildings housing Group R, Division 1 or 2, Group I, or Group E Occupancies annexed or previously annexed into the city shall have fire detection system plans submitted and approved by the city within two years of the effective date of annexation or the ordinance codified in this chapter, whichever is later. Installation of the fire detection system according to the approved plans shall occur within three years of the effective date of annexation or the ordinance codified in this chapter, whichever is later. The time for installation may be extended, at the discretion of the fire code official, not to exceed a total of five years.

C.    The use of any building not complying with the provisions of this chapter and the time schedule set forth in this section shall be terminated. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 1518 § 1, 1993; Ord. 1499 § 7, 1993; Ord. 1433 § 1, 1991; Ord. 1032 § 6, 1982).

20.10.100 Smoke alarms required.

A.    Notwithstanding any other provision of this chapter, smoke detection devices shall be installed inside all dwelling units:

1.    Occupied by persons other than the owner on and after December 31, 1981; or

2.    Built or manufactured in this state after December 31, 1980.

B.    Smoke alarms shall also be installed in all dwelling units prior to conveyance by deed by the owner or grantor thereof.

C.    Smoke alarms shall be designed, manufactured, and installed inside dwelling units in conformance with:

1.    Nationally accepted standards; and

2.    Rules and regulations promulgated by the State Fire Marshal pursuant to Chapter 34.04 RCW, the Administrative Procedure Act.

D.    Installation of smoke alarms shall be the responsibility of the owner of the dwelling unit. Maintenance of smoke alarms shall be the responsibility of the tenant, who shall maintain the device as specified by the manufacturer. Upon vacation of any dwelling unit, the owner shall ensure that the smoke detection device is operational prior to allowing re-occupancy of the dwelling unit.

E.    Any owner or tenant failing to comply with this section shall be punished by a fine of not more than $50.00. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 961 § 12, 1980).

20.10.110 Conflicting requirements.

In the event any of the terms, provisions or requirements of this chapter are in conflict with any other terms, provisions or requirements of any other city ordinance or the Bothell Municipal Code, the terms, provisions and requirements of this chapter shall control. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 901 § 3, 1978).

20.10.120 Severability.

If any section, sentence, clause or phrase of this chapter should be held to be invalid or unconstitutional by a court of competent jurisdiction, such invalidity or unconstitutionality shall not affect the validity or constitutionality of any other section, sentence, clause or phrase of this chapter. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 901 § 3, 1978).

20.10.130 Violation – Penalties.

Any person violating any of the provisions of this chapter, or any requirement adopted by reference herein, shall be guilty of a misdemeanor and, upon conviction thereof, be punished as set forth in BMC 1.24.010. (Ord. 2191 § 5 (Exh. E), 2016; Ord. 1926 § 7, 2004; Ord. 1775 § 2, 1999; Ord. 1635 § 1, 1996; Ord. 901 § 3, 1978).