Chapter 21.62
BUILDING CODES

Sections:

21.62.010    State building code adopted.

21.62.020    Washington State Energy Code adopted.

21.62.030    National Electrical Code adopted.

21.62.040    Additional provisions adopted.

21.62.050    Administration.

21.62.060    Building permit fees.

21.62.070    Work exempt from permit – Subsections 105.2 and R105.2 amended.

21.62.080    Expirations – Subsections 105.5 and R105.5 amended.

21.62.090    Expirations – Subsections 104.4.3 and 106.4.3 amended.

21.62.100    Work commencing before permit issuance – Subsections 109.4 and 108.6 amended.

21.62.110    Plumbing and mechanical permit fees – Subsections 104.5 and 106.5 amended.

21.62.120    Certificate of occupancy – Sections 111 and R110 amended.

21.62.130    Table R301.2(1) of the International Residential Code adopted.

21.62.140    Appeals – Sections 113, R112, 107 and 109 amended.

21.62.150    Violations.

21.62.160    Establishment of flood hazard areas.

21.62.170    Emergency responder radio coverage – Section 510 amended.

21.62.180    Other amendments to the 2018 International Fire Code.

21.62.010 State building code adopted.

All construction activity and construction materials in the City shall be governed by the State Building Code as adopted in Chapter 96, Laws of 1974, as updated by the State Building Code Council to include the 2018 Editions of the following codes with State amendments:

(1) International Building Code;

(2) ICC/ANSI A117.1-03;

(3) Accessible and Usable Buildings and Facilities;

(4) International Residential Code;

(5) International Mechanical Code;

(6) Liquefied Petroleum Gas Code (2014 Edition of NFPA 58);

(7) National Fuel Gas Code (2015 Edition of ANSI Z223.1/NFPA 54) for LP Gas;

(8) International Fire Code; and

(9) Uniform Plumbing Code. (Ord. 705 § 6 (Att. A), 2020)

21.62.020 Washington State Energy Code adopted.

All construction activity and construction materials in the City shall be governed by the 2018 Washington State Energy Code as adopted in Chapter 96, Laws of 1974, as updated by the State Building Code Council. (Ord. 705 § 6 (Att. A), 2020)

21.62.030 National Electrical Code adopted.

The latest National Electrical Code as adopted and amended by the Department of Labor and Industries pursuant to Chapter 19.28 RCW is adopted. (Ord. 705 § 6 (Att. A), 2020)

21.62.040 Additional provisions adopted.

The following optional provisions are adopted and incorporated into the Building Code:

(1) Appendix E, Supplementary Accessibility Requirements, of the International Building Code (IBC) and amendments thereto;

(2) Appendix G, Flood Resistant Construction, of the IBC and amendments thereto;

(3) Appendix H, Signs, of the IBC, and amendments thereto;

(4) Appendix G, Swimming Pools, Spas and Hot Tubs, of the International Residential Code (IRC) and amendments thereto;

(5) Appendix R, Dwelling Unit Fire Sprinkler Systems, of the IRC and amendments thereto;

(6) Appendix A, Recommended Rules for Sizing the Water Supply System, of the Uniform Plumbing Code and Standards (UPC) and amendments thereto;

(7) Appendix B, Explanatory Notes on Combination Waste and Vent Systems of the UPC, and amendments thereto;

(8) Appendix C, Alternate Plumbing Systems, excluding Section L 6.0, Vent System Sizing, of the UPC and amendments thereto;

(9) Appendix I, Installation Standards, of the UPC and amendments thereto;

(10) Appendix B, Fire-Flow Requirements for Buildings, of the International Fire Code (IFC) and amendments thereto;

(11) Appendix C, Fire Hydrant Locations and Distribution, of the IFC and amendments thereto; and

(12) Appendix D, Fire Apparatus Access Roads, of the IFC and amendments thereto. (Ord. 705 § 6 (Att. A), 2020)

21.62.050 Administration.

(1) Wherever the codes adopted in WMC 21.62.010 through 21.62.040 reference a “jurisdiction,” the name of the jurisdiction shall be the “City of Woodinville.”

(2) It is the intent in adopting this chapter to comply with the requirements of the State Building Code Act, Chapter 19.27 RCW. It is not the intent to alter or amend the minimum standards set forth in the State codes, nor do anything beyond what is necessary to comply with the law and make these codes enforceable in the City.

(3) The City Manager or a person designated by the City Manager shall appoint the Building Official and other such personnel as necessary to administer the codes set forth in this chapter, which shall be under the general direction and management of the Director.

(4) The Director and/or the Building Official may establish administrative rules as necessary to implement the provisions of this chapter. (Ord. 705 § 6 (Att. A), 2020)

21.62.060 Building permit fees.

Fees for the review of buildings and structures, including additions and modifications, shall be calculated using the fee rate tables adopted in the City’s fee schedule and the following methods of determining permit valuation:

(1) Valuation for new construction and/or additions shall be based on Table 21.62.060 in conjunction with Section 109.3 of the International Building Code, except as provided in subsection (2) of this section:

 

Table 21.62.060 – New Construction and Additions Square Footage Construction Costs 

Group

Value per Square Foot by Construction Type

IA

IB

IIA

IIB

IIIA

IIIB

IV

VA

VB

A-1 Assembly, theaters, with stage

250.39

241.91

235.63

226.10

212.32

206.18

218.83

197.45

190.33

A-1 Assembly, theaters, without stage

229.42

220.94

214.66

205.12

191.35

185.21

197.86

176.48

169.35

A-2 Assembly, nightclubs

196.13

190.29

185.62

178.02

167.82

163.20

171.70

151.89

146.71

A-2 Assembly, restaurants, bars, banquet halls

195.13

189.29

183.62

177.02

165.82

162.20

170.70

149.89

145.71

A-3 Assembly, churches

232.04

223.57

217.29

207.75

194.34

189.19

200.49

179.48

172.35

A-3 Assembly, general, community halls, libraries, museums

194.17

185.69

178.41

169.87

155.09

149.96

162.61

140.23

134.10

A-4 Assembly, arenas

228.42

219.94

212.66

204.12

189.35

184.21

196.86

174.48

168.35

B Business

202.30

194.92

188.44

179.18

163.55

157.42

172.13

143.89

137.46

E Educational

212.03

204.70

198.82

190.25

177.27

168.29

183.70

155.00

150.26

F-1 Factory and industrial, moderate hazard

119.53

113.92

107.38

103.45

92.64

88.38

99.02

76.33

71.73

F-2 Factory and industrial, low hazard

118.53

112.92

107.38

102.45

92.64

87.38

98.02

76.33

70.73

H-1 High Hazard, explosives

111.77

106.15

100.62

95.69

86.11

80.85

91.26

69.81

NP

H-2,3,4 High Hazard

111.77

106.15

100.62

95.69

86.11

80.85

91.26

69.81

64.20

H-5 HPM

202.30

194.92

188.44

179.18

163.55

157.42

172.13

143.89

137.46

I-1 Institutional, supervised environment

199.81

192.96

186.97

179.69

164.91

160.39

179.84

148.44

143.75

I-2 Institutional, hospitals

338.94

331.56

325.08

315.82

299.46

NP

308.77

279.79

NP

I-2 Institutional, nursing homes

235.48

228.11

221.62

212.37

197.49

NP

205.32

177.82

NP

I-3 Institutional, restrained

230.03

222.65

216.17

206.91

192.77

185.64

199.86

173.11

164.69

I-4 Institutional, day care facilities

199.81

192.96

186.97

179.69

164.91

160.39

179.84

148.44

143.75

M Mercantile

146.21

140.37

134.70

128.11

117.54

113.93

121.78

101.61

97.44

R-1 Residential, hotels

201.71

194.86

188.87

181.59

166.56

162.04

181.74

150.09

145.40

R-2 Residential, multiple family

168.94

162.09

156.10

148.82

135.04

130.52

148.97

118.57

113.88

R-3 Residential, one- and two-family

157.40

153.13

149.31

145.53

140.33

136.62

143.14

131.34

123.68

R-4 Residential, care/assisted living facilities

199.81

192.96

186.97

179.69

164.91

160.39

179.84

148.44

143.75

S-1 Storage, moderate hazard

110.77

105.15

98.62

94.69

84.11

79.85

90.26

67.81

63.20

S-2 Storage, low hazard

109.77

104.15

98.62

93.69

84.11

78.85

89.26

67.81

62.20

U Utility, miscellaneous

85.53

80.63

75.42

72.03

64.67

60.42

68.74

51.21

48.79

Notes:

• Private garages use Utility, miscellaneous

• For shell-only buildings deduct 20 percent

• N.P. = not permitted

• Unfinished basements (Group R-3) = $22.45 per sq. ft.

• Land values are not included in valuations for construction calculations

(2) For those items not covered by the valuation table in this section, including all areas of remodel and repair to existing buildings, the valuation shall be determined by the applicant providing an estimate value at the time of application. All fair-market value for labor and materials, equipment, architectural and engineering design work, contractor management expenses, agent administration expenses, profit, and overhead necessary to complete the project shall be included in the estimate. Sales tax and permit fees shall not be included.

(3) Final valuation shall be set by the Building Official consistent with the provisions of this chapter. If, in the opinion of the Building Official, the valuation provided by the applicant is underestimated on the application, or if subsequently the application is changed in a manner that significantly affects valuation, the Building Official may require a detailed estimate, or may require a new valuation estimate that must be approved by the Building Official. (Ord. 705 § 6 (Att. A), 2020)

21.62.070 Work exempt from permit – Subsections 105.2 and R105.2 amended.

Subsection 105.2 of the IBC and Subsection R105.2 of the IRC, which lists work of a building nature that is exempt from building permit requirements, are amended to read as follows:

[A] Work exempt from a permit. A building permit is not required for the work listed below. Exemption from the permit requirements of this code does not authorize any work to be done in a manner in violation of this code or any other laws or ordinances of the City.

1. One-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 200 square feet.

2. Fences not over seven feet in height above the finished grade measured from the grade to the highest point of the fence including caps.

3. Retaining walls that are not over four feet in height measured from the bottom of the footing to the top of the wall, excluding retaining walls supporting a surcharge or impounding Class I, II or IIIA liquids.

4. Water tanks supported directly upon grade if the capacity does not exceed 5,000 gallons (18,927 L) and the ratio of height to diameter or width does not exceed 2 to 1.

5. Sidewalks and driveways not more than 30 inches above the adjacent grade, and not over any basement or story below and are not part of an accessible route.

6. Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work for which inspections to verify code compliance is not required.

7. Shade cloth structures constructed for nursery or agricultural purposes, not including service systems.

8. Prefabricated swimming pools located above grade that contain water not over 24 inches in depth and not greater than 5,000 gallons.

9. Ornamental or decorative ponds or pools that contain water not over 24 inches in depth.

10. Swings and other playground equipment.

11. Window awnings in Group R-3 and U occupancies supported by an exterior wall that do not project more than 54 inches from exterior wall and do not require additional support.

12. Decks not exceeding 200 square feet in area, provided:

a. The top of the deck does not exceed more than 30 inches above the finished grade at any point;

b. Is not attached to a dwelling; and

c. Does not serve as an exit door as required by R311.4.

13. Non-fixed and moveable fixtures, cases, racks, counters and partitions not over 5 feet, 9 inches, in height.

14. Any work not regulated by provisions of this code or any elements of the State Building Code.

The listings of exemptions for electrical, gas, plumbing and mechanical shall remain unchanged.

(Ord. 705 § 6 (Att. A), 2020)

21.62.080 Expirations – Subsections 105.5 and R105.5 amended.

Subsection 105.5 of the 2018 International Building Code and Subsection R105.5 of the 2018 International Residential Code are hereby amended to read as follows:

Expiration. Every permit issued shall be valid for 24 months from the date of issuance. The building official is authorized to grant, in writing, one extension of time, not to exceed 12 months provided the work authorized by the permit has not been suspended or abandoned. The extension shall be requested in writing and justifiable cause demonstrated. The processing of the extension may be subject to a fee set forth in the adopted fee schedule.

If work or inspections are incomplete at the time a building permit expires, the property owner or their authorized agent may renew action on an expired building permit by obtaining a new permit and paying a new permit fee. The permit fee shall be based upon the Building Official’s determination of percentage of inspection completed and the fee schedule in effect at the time a new permit application is submitted. Any previous fees owed on the expired permit shall be paid before a new permit is issued.

If work or inspections are incomplete at the time a permit, other than a building permit, expires, the property owner or their agent may renew action on the expired permit by obtaining a new permit and paying a new full permit fee based upon the fee schedule in effect at the time the new permit application is submitted.

(Ord. 705 § 6 (Att. A), 2020)

21.62.090 Expirations – Subsections 104.4.3 and 106.4.3 amended.

Subsection 104.4.3 of the International Mechanical Code and Subsection 106.4.3 of the Uniform Plumbing Code are hereby amended to read as follows:

Expiration. Every permit issued shall be valid for six months from the date of issuance, except if a building permit is issued under the International Building Code or International Residential Code, the permit shall remain active and valid for the duration the building permit associated with the project remains active and valid. The building official is authorized to grant, in writing, one extension of time for a permit issued under the International Mechanical Code or Uniform Plumbing Code, not to exceed six months, provided the work authorized has not been suspended or abandoned.

(Ord. 705 § 6 (Att. A), 2020)

21.62.100 Work commencing before permit issuance – Subsections 109.4 and 108.6 amended.

Subsection 109.4 of the 2018 International Building Code and Subsection R108.6 of the 2018 International Residential Code are amended to read as follows:

Any person who commences work requiring a permit on a building, structure, electrical, gas, mechanical or plumbing system before obtaining the necessary permits shall be subject to an investigation and administration fee equal to the amount of the permit fee. This fee is in addition to all other fees that may apply to the project.

(Ord. 705 § 6 (Att. A), 2020)

21.62.110 Plumbing and mechanical permit fees – Subsections 104.5 and 106.5 amended.

Subsection 104.5 of the 2018 Uniform Plumbing Code and Subsection 106.5 of the International Mechanical Code are amended to read as follows:

Fees. A permit shall not be issued until the fees prescribed in the City’s fee schedule have been paid, nor an amendment to a permit be released until the additional fee, if any, has been paid.

Work commencing before permit issuance. Any person who commences work requiring a permit on an electrical, gas, mechanical or plumbing system before obtaining the necessary permits shall be subject to an investigation and administration fee equal to the amount of the permit fee. This fee is in addition to all other fees that may apply to the project.

(Ord. 705 § 6 (Att. A), 2020)

21.62.120 Certificate of occupancy – Sections 111 and R110 amended.

Section 111 of the 2018 International Building Code and Section R110 of the 2018 International Residential Code are hereby amended to read as follows:

[A] (1) Change of occupancy. A building or structure shall not be used or occupied, and a change of occupancy of a building or structure or portion thereof shall not be made until the building official has issued a certificate of occupancy therefor as provided herein. Issuance of a certificate of occupancy shall not be construed as an approval of a violation of the provisions of this code or of other ordinances of the City.

Exception: Certificate of occupancy is not required for work exempt from building permits. Additionally, certificate of occupancy is not required for buildings or structures accessory to a one-family or two-family dwelling unit.

When a series of related permits, such as site development permit, are issued in conjunction with a building permit for renovation, reconstruction, or new construction of a building, the certificate of occupancy for the building or structure shall not be issued until all regulated work under all related permits and all work has been completed, inspected, and approved and all fees and charges have been paid.

The building official is authorized to issue a certificate of occupancy for a building or structure before the completion of inspections and approvals on the series of related permits provided the building official is satisfied there are no health, life, or safety concerns with occupancy of the property, and the property owner provides a financial guarantee that ensures all inspections and approvals are completed and all fees and charges are paid. The amount of the financial guarantee shall be determined by the building official or director. The building official or the director may waive the requirement for a financial guarantee if the amount of work and inspections remaining is determined to be minor or is included in other required financial guarantees.

[A] (2) Certificate issued. After the building official inspects the building or structure and finds no violations of the provisions of this code or other laws that are enforced by the department of building safety, including the payment of any outstanding fees, the building official shall issue a certificate of occupancy that contains the following:

1. The building permit number.

2. The address of the structure.

3. The name and address of the owner or the owner’s authorized agent.

4. A description of that portion of the structure for which the certificate is issued.

5. A statement that the described portion of the structure has been inspected for compliance with the requirements of this code for the occupancy and division of occupancy and the use for which the proposed occupancy is classified.

6. The name of the building official.

7. The edition of the code under which the permit was issued.

8. The use and occupancy, if subject to Chapter 3 of the International Building Code.

9. The type of construction, if subject to Chapter 6 of the International Building Code.

10. The design occupant load, if subject to the International Building Code.

11. If an automatic sprinkler system is provided, whether the sprinkler system is required.

12. Any special stipulations and conditions of the building permit.

[A] (3) Temporary occupancy. The building official is authorized, but not required, to issue a temporary certificate of occupancy before completion of the entire work covered by the permits issued, provided that such portion or portions shall be occupied safely. A temporary certificate of occupancy may only be issued in association with a valid building permit. The building official shall set a time period during which the temporary certificate of occupancy is valid and may require financial guarantees to ensure completion of the work necessary for a certificate of occupancy.

[A] (4) Revocation. The building official is authorized to, in writing, suspend or revoke a certificate of occupancy or completion issued under the provisions of this code wherever the certificate is issued in error, or on the basis of incorrect information supplied, or where it is determined that the building or structure or portion thereof is in violation of any ordinance or regulation or any of the provisions of this code.

(Ord. 705 § 6 (Att. A), 2020)

21.62.130 Table R301.2(1) of the International Residential Code adopted.

Subsection R301.2 of the International Residential Code is amended to adopt Table R301.2(1) to read as follows:

Table R301.2(1) – Climatic and Geographical Design Criteria 

GROUND AND ROOF SNOW LOAD

25#

WIND DESIGN

Speed d (mph)

85 mph

 

Topographical effects k

no

SEISMIC DESIGN CATEGORY

D-2

SUBJECT TO DAMAGE FROM

Weathering a

Moderate

Frost line depth b

12 inches

Termite c

Slight to moderate

WINTER DESIGN TEMP e

27 Degrees F

ICE BARRIER UNDERLAYMENT REQUIRED h

none

FLOOD HAZARDS g

Per Chapter 21.53 WMC

AIR FREEZING INDEX i

174

MEAN ANNUAL TEMP j

50 Degrees F

(Ord. 705 § 6 (Att. A), 2020)

21.62.140 Appeals – Sections 113, R112, 107 and 109 amended.

Section 113 of the 2018 International Building Code, Section R112 of the 2018 International Residential Code, Section 107 of the 2018 Uniform Plumbing Code and Section 109 of the International Mechanical Code are hereby amended to read as follows:

Refer to Chapter 21.81 of the Woodinville Municipal Code for administrative appeals.

(Ord. 705 § 6 (Att. A), 2020)

21.62.150 Violations.

(1) Subsections 114.2, 114.3 and 114.4 of the 2018 International Building Code are amended to read as follows:

[A] 114.2 Violation procedures and penalties. Violations of this code shall be subject to the enforcement provisions set forth in Chapter 21.12 WMC.

(2) Subsections R113.2, R113.3 and R113.4 of the 2018 International Residential Code are amended to read as follows:

[A] R113.2 Violation procedures and penalties. Violations of this code shall be subject to the enforcement provisions set forth in Chapter 21.12 WMC.

(3) Subsections 106.2 and 106.3 of the 2018 Uniform Plumbing Code are amended to read as follows:

[A] R106.2 Violation procedures and penalties. Violations of this code shall be subject to the enforcement provisions set forth in Chapter 21.12 WMC.

(4) Subsections 108.2, 108.3 and 108.4 of the 2018 International Mechanical Code are amended to read as follows:

[A] 108.2 Violation procedures and penalties. Violations of this code shall be subject to the enforcement provisions set forth in Chapter 21.12 WMC.

(Ord. 705 § 6 (Att. A), 2020)

21.62.160 Establishment of flood hazard areas.

Subsection 1612.3 of the 2018 International Building Code is amended to read as follows:

Establishment of flood hazard areas. See Chapter 21.53 WMC.

(Ord. 705 § 6 (Att. A), 2020)

21.62.170 Emergency responder radio coverage – Section 510 amended.

Section 510 of the 2018 International Fire Code is hereby amended to read as follows:

510.1 Emergency responder radio coverage in new buildings. Approved radio coverage for emergency responders shall be provided within buildings that satisfy any one of the following conditions:

1. High rise buildings;

2. The total building area is 50,000 square feet or more;

3. The total basement area is 10,000 square feet or more;

4. There are floors used for human occupancy more than 30 feet below the finished floor of the lowest level of exit discharge; or

5. Buildings or structures where the Fire or Police Chief determines that in-building radio coverage is critical because of its unique design, location, use or occupancy.

When determining if the minimum signal strength referenced Section 510.4.1.1 exists at a subject building, the signal strength shall be measured at any point on the exterior of the building up to the highest point on the roof.

Exceptions:

The following may be exempt from installing a new radio coverage system:

1. In buildings and areas of buildings that have minimum radio coverage signal strength levels of the King County Regional 800 MHz Radio System in accordance with Section 510.4.1 without the use of a radio coverage system;

2. In facilities where emergency responder radio coverage is required and such systems, components or equipment required could have a negative impact on the normal operations of that facility, the fire code official shall have the authority to accept an automatically activated emergency responder radio coverage system;

3. One- and two-family dwellings and townhouses; and

4. Subject to the approval of the fire code official, buildings other than high-rise buildings, colleges, universities and buildings primarily occupied by Group E or I occupancies that have completed a Mobile Emergency Responder Radio Coverage application and submitted payment as outlined in the application.

510.1.1 Occupancy. It shall be unlawful to occupy any portion of a building or structure until Emergency Responder Radio Coverage have been tested and approved in accordance with the provisions of Section 510.

510.2 Emergency responder radio coverage in existing buildings. Existing buildings shall have approved radio coverage for emergency responders as required in Chapter 11 of the International Fire Code.

510.3 Permit required. A construction permit for the installation of or modification to emergency responder radio coverage systems and related equipment is required as specified in Section 105.7.6. Maintenance performed in accordance with this code is not considered a modification and does not require a permit.

510.4 Technical requirements. Systems, components and equipment required to provide the emergency responder radio coverage system shall comply with Sections 510.4.1 through 510.4.2.8.

510.4.1 Emergency responder communication enhancement system signal strength. The building shall be considered to have acceptable emergency responder communications enhancement system coverage when signal strength measurements in 95 percent of all areas on each floor of the building meet the signal strength requirements in Sections 510.4.1.1 through 510.4.1.3.

Exception: Critical areas, such as the fire command center(s), the fire pump room(s), interior exit stairways, exit passageways, elevator lobbies, standpipe cabinets, sprinkler sectional valve locations, and other areas required by the fire code official, shall be provided with 99 percent floor area radio coverage.

510.4.1.1 Minimum signal strength into the building. The minimum inbound signal strength shall be sufficient to provide usable voice communications throughout the coverage area as specified by the fire code official. The inbound signal level shall be a minimum of -95dBm in 95 percent of the coverage area and 99 percent in critical areas and sufficient to provide not less than a Delivered Audio Quality (DAQ) of 3.0 or an equivalent Signal-to-Interference-Plus-Noise Ratio (SINR) applicable to the technology for either analog or digital signals.

510.4.1.2 Minimum signal strength out of the building. The minimum outbound signal strength shall be sufficient to provide usable voice communications throughout the coverage area as specified by the fire code official. The outbound signal level shall be sufficient to provide not less than a DAQ of 3.0 or an equivalent SINR applicable to the technology for either analog or digital signals. A minimum signal strength of -95 dBm shall be received by the King County Regional 800 MHz Radio System when transmitted from within the building.

510.4.1.3 System performance. Signal strength shall be sufficient to meet the requirements of the applications being utilized by public safety for emergency operations through the coverage area as specified by the Public Safety Radio System Operator in Section 510.4.2.2.

510.4.2 System design. The emergency responder radio coverage system shall be designed in accordance with Sections 510.4.2.1 through 510.4.2.8 and NFPA 1221 (2019).

510.4.2.1 Amplification systems and components. Buildings and structures that cannot support the required level of radio coverage shall be equipped with systems and components to enhance the public safety radio signals and achieve the required level of radio coverage specified in Sections 510.4.1 through 510.4.1.3. Public safety communications enhancement systems utilizing radio-frequency-emitting devices and cabling shall be allowed by the Public Safety Radio System Operator. Prior to installation, all RF-emitting devices shall have the certification of the radio licensing authority and be suitable for public safety use.

510.4.2.2 Technical criteria. The Public Safety Radio System Operator shall provide the various frequencies required, the location of radio sites, the effective radiated power of radio sites, the maximum propagation delay in microseconds, the applications being used and other supporting technical information necessary for system design upon request by the building owner or owner’s representative.

510.4.2.3 Power supply sources. Emergency responder radio coverage systems shall be provided with dedicated standby batteries or provided with 2-hour standby batteries and connected to the facility generator power system in accordance with Section 1203. The standby power supply shall be capable of operating the emergency responder radio coverage system at 100-percent system capacity for a duration of not less than 12 hours.

510.4.2.4 Signal booster requirements. If used, signal boosters shall meet the following requirements:

1. All signal booster components shall be contained in a National Electrical Manufacturer’s Association (NEMA) 4, IP66-type waterproof cabinet or equivalent;

Exception: Listed battery systems that are contained in integrated battery cabinets.

2. Battery systems used for the emergency power source shall be contained in a NEMA 3R or higher-rated cabinet, IP65-type waterproof cabinet or equivalent;

3. Equipment shall have FCC or other radio licensing authority certification and be suitable for public safety use prior to installation;

4. Where a donor antenna exists, isolation shall be maintained between the donor antenna and all inside antennas to not less than 20dB greater than the system gains under all operating conditions;

5. Bi-Directional Amplifiers (BDAs) used in emergency responder radio coverage systems shall be fitted with anti-oscillation circuitry and per-channel AGC;

6. The installation of amplification systems or systems that operate on or provide the means to cause interference on any emergency responder radio coverage networks shall be coordinated and approved by the Public Safety Radio System Operator;

7. Unless otherwise approved by the Public Safety Radio System Operator, only channelized signal boosters shall be permitted.

Exception: Broadband BDAs may be utilized when specifically authorized in writing by the Public Safety Radio System Operator.

510.4.2.5 System monitoring. The emergency responder radio enhancement system shall include automatic supervisory and trouble signals that are monitored by a supervisory service and are annunciated by the fire alarm system in accordance with NFPA 72. The following conditions shall be separately annunciated by the fire alarm system, or, if the status of each of the following conditions is individually displayed on a dedicated panel on the radio enhancement system, a single automatic supervisory signal may be annunciated on the fire alarm system indicating deficiencies of the radio enhancement system:

1. Loss of normal AC power supply;

2. System battery charger(s) failure;

3. Malfunction of the donor antenna(s);

4. Failure of active RF-emitting device(s);

5. Low-battery capacity at 70-percent reduction of operating capacity;

6. Active system component malfunction.

7. Malfunction of the communications link between the fire alarm system and the emergency responder radio enhancement system.

510.4.2.6 Additional frequencies and change of frequencies. The emergency responder radio coverage system shall be capable of modification or expansion in the event frequency changes are required by the FCC or other radio licensing authority, or additional frequencies are made available by the FCC or other radio licensing authority.

510.4.2.7 Design documents. The fire code official shall have the authority to require “as-built” design documents and specifications for emergency responder communications coverage systems. The documents shall be in a format acceptable to the fire code official.

510.4.2.8 Radio communication antenna density. Systems shall be engineered to minimize the near-far effect. Radio enhancement system designs shall include sufficient antenna density to address reduced gain conditions.

Exceptions:

1. Class A narrow band signal booster devices with independent AGC/ALC circuits per channel.

2. Systems where all portable devices within the same band use active power control

510.5 Installation requirements. The installation of the public safety radio coverage system shall be in accordance with NFPA 1221 (2019) and Sections 510.5.1 through 510.5.7.

510.5.1 Approval prior to installation. Amplification systems capable of operating on frequencies licensed to any public safety agency by the FCC or other radio licensing authority shall not be installed without prior coordination and approval of the Public Safety Radio System Operator.

510.5.2 Minimum qualifications of personnel. The minimum qualifications of the system designer and lead installation personnel shall include both of the following:

1. A valid FCC-issued general radio operators license.

2. Certification of in-building system training issued by an approved organization or approved school, or a certificate issued by the manufacturer of the equipment being installed.

510.5.3 Acceptance test procedure. Where an emergency responder radio coverage system is required, and upon completion of installation, the building owner shall have the radio system tested to verify that two-way coverage on each floor of the building is in accordance with Section 510.4.1. The test procedure shall be conducted as follows:

1. Each floor of the building shall be divided into a grid of 20 approximately equal test areas, with a maximum test area size of 6,400 square feet. Where the floor area exceeds 128,000 square feet, the floor shall be divided into as many approximately equal test-areas as needed, such that no test area exceeds the maximum square footage allowed for a test area.

2. Coverage testing of signal strength shall be conducted using a calibrated spectrum analyzer for each of the test grids. A diagram of this testing shall be created for each floor where coverage is provided, indicating the testing grid used for the test in Section 510.5.3(1), and including signal strengths and frequencies for each test area. Indicate all critical areas.

3. Functional talk-back testing shall be conducted using two calibrated portable radios of the latest brand and model used by the agency’s radio communications system or other equipment approved by the fire code official. Testing shall use Digital Audible Quality (DAQ) metrics, where a passing result is a DAQ of 3 or higher. Communications between handsets shall be tested and recorded in the grid square diagram required by Section 510.5.3(2): each grid square on each floor; between each critical area and a radio outside the building; between each critical area and the fire command center or fire alarm control panel; between each landing in each stairwell and the fire command center or fire alarm control panel.

4. Failure of more than 5 percent of the test areas on any floor shall result in failure of the test.

Exception: Critical areas shall be provided with 99 percent floor area coverage.

5. In the event that two of the test areas fail the test, in order to be more statistically accurate, the floor shall be permitted to be divided into 40 equal test areas. Failure of not more than two nonadjacent test areas shall not result in failure of the test. If the system fails the 40-area test, the system shall be altered to meet the 95-percent coverage requirement.

6. A test location approximately in the center of each test area shall be selected for the test, with the radio enabled to verify two-way communications to and from the outside of the building through the public agency’s radio communications system. Once the test location has been selected, that location shall represent the entire test area. Failure in the selected test location shall be considered to be a failure of that test area. Additional test locations shall not be permitted.

7. The gain values of all amplifiers shall be measured, and the test measurement results shall be kept on file with the building owner so that the measurements can be verified during annual tests. In the event that the measurement results become lost, the building owner shall be required to rerun the acceptance test to reestablish the gain values.

8. As part of the installation, a spectrum analyzer or other suitable test equipment shall be utilized to ensure spurious oscillations are not being generated by the subject signal booster. This test shall be conducted at the time of installation and at subsequent annual inspections.

9. Systems incorporating Class B signal booster devices or Class B broadband fiber remote devices shall be tested using two portable radios simultaneously conducting subjective voice quality checks. One portable radio shall be positioned not greater than 10 feet (3,048 mm) from the indoor antenna. The second portable radio shall be positioned at a distance that represents the farthest distance from any indoor antenna. With both portable radios simultaneously keyed up on different frequencies within the same band, subjective audio testing shall be conducted and comply with DAQ levels as specified in Sections 510.4.1.1 and 510.4.1.2.

10. Documentation maintained on premises. At the conclusion of the testing, and prior to issuance of the building Certificate of Occupancy, the building owner or owner’s representative shall place a copy of the following records in the DAS enclosure or the building engineer’s office. The records shall be available to the fire code official and maintained by the building owner for the life of the system:

a) A certification letter stating that the emergency responder radio coverage system has been installed and tested in accordance with this code, and that the system is complete and fully functional.

b) The grid square diagram created as part of testing in Sections 510.5.3(2) and 510.5.3(3).

c) Data sheets and/or manufacturer specifications for the emergency responder radio coverage system equipment; back up battery; and charging system (if utilized).

d) A diagram showing device locations and wiring schematic,

e) A copy of the electrical permit.

11. Acceptance test reporting to fire code official. At the conclusion of the testing, and prior to issuance of the building Certificate of Occupancy, the building owner or owner’s representative shall submit to the fire code official a report of the acceptance test by way of the department’s third-party vendor thecomplianceengine.com.

510.5.4 FCC compliance. The emergency responder radio coverage system installation and components shall comply with all applicable federal regulations including, but not limited to, FCC 47 CFR Part 90.219.

510.5.5 Mounting of the donor antenna(s). To maintain proper alignment with the system designed donor site, donor antennas shall be permanently affixed on the highest possible position on the building or where approved by the fire code official. A clearly visible sign shall be placed near the antenna stating, “movement or repositioning of this antenna is prohibited without approval from the fire code official.” The antenna installation shall be in accordance with the applicable requirements in the International Building Code for weather protection of the building envelope.

510.5.6 Wiring. The backbone, antenna distribution, radiating, or any fiber-optic cables shall be rated as plenum cables. The backbone cables shall be connected to the antenna distribution, radiating, or copper cables using hybrid coupler devices of a value determined by the overall design. Backbone cables shall be routed through an enclosure that matches the building’s required fire-resistance rating for shafts or interior exit stairways. The connection between the backbone cable and the antenna cables shall be made within an enclosure that matches the building’s fire-resistance rating for shafts or interior exit stairways, and passage of the antenna distribution cable in and out of the enclosure shall be protected as a penetration per the International Building Code.

510.5.7 Identification Signs. Emergency responder radio coverage systems shall be identified by an approved sign located on or near the Fire Alarm Control Panel or other approved location stating “This building is equipped with an Emergency Responder Radio Coverage System. Control Equipment located in room (insert information provided by owner).” A sign stating “Emergency Responder Radio Coverage System Equipment” shall be placed on or adjacent to the door of the room containing the main system components.

510.6 Maintenance. The emergency responder radio coverage system shall be maintained operational at all times in accordance with Sections 510.6.1 through 510.6.4. agent shall have the emergency responder radio coverage system inspected and tested annually or where structural changes occur including additions or remodels that could materially change the original field performance tests. Testing shall consist of the following items Section 510.6(1) through (7):

1. In-building coverage test as required by the fire code official as described in Section 510.5.3 “Acceptance test procedure” or Section 510.6.1.1 “Alternative in-building coverage test.”

Exception: Group R Occupancy annual testing is not required within dwelling units.

2. Signal boosters shall be tested to verify that the gain/output level is the same as it was upon initial installation and acceptance or set to optimize the performance of the system.

3. Backup batteries and power supplies shall be tested under load of a period of 2 hours to verify that they will properly operate during an actual power outage. If within the 2-hour test period the battery exhibits symptoms of failure, the test shall be extended for additional 1-hour periods until the integrity of the battery can be determined.

4. If a fire alarm system is present in the building, a test shall be conducted to verify that the fire alarm system is properly supervising the emergency responder communication system as required in Section 510.4.2.5. The test is performed by simulating alarms to the fire alarm control panel. The certifications in Section 510.5.2 are sufficient for the personnel performing this testing.

5. Other active components shall be checked to verify operation within the manufacturer’s specifications.

6. At the conclusion of the testing, a report, which shall verify compliance with Section 510.6.1, shall be submitted to the fire code official by way of the department’s third-party vendor thecomplianceengine.com.

7. At the conclusion of testing, a record of the inspection and maintenance along with an updated grid diagram of each floor showing tested strengths in each grid square and each critical area shall be added to the documentation maintained on the premises in accordance with Section 510.5.3.

510.6.1.1 Alternative In-building coverage test. When the comprehensive test documentation required by Section 510.5.3 is available, or the most recent full five-year test results are available if the system is older than six years, the in-building coverage test required by the fire code official in Section 510.6.1(1), may be conducted as follows:

1. Functional talk-back testing shall be conducted using two calibrated portable radios of the latest brand and model used by the agency’s radio communications system or other equipment approved by the fire code official. Testing shall use Digital Audible Quality (DAQ) metrics, where a passing result is a DAQ of 3 or higher. Communications between handsets in the following locations shall be tested: between the fire command center or fire alarm control panel and a location outside the building; between the fire alarm control panel and each landing in each stairwell.

2. Coverage testing of signal strength shall be conducted using a calibrated spectrum analyzer for:

a) Three grid areas per floor. The three grid areas to be tested on each floor are the three grid areas with poorest performance in the acceptance test or the most recent annual test, whichever is more recent; and

b) Each of the critical areas identified in acceptance test documentation required by Section 510.5.3, or as modified by the fire code official; and

c) One grid square per serving antenna.

3. The test area boundaries shall not deviate from the areas established at the time of the acceptance test, or as modified by the fire code official. The building shall be considered to have acceptable emergency responder radio coverage when the required signal strength requirements in Sections 510.4.1.1 and 510.4.1.2 are located in 95 percent of all areas on each floor of the building and 99 percent in Critical Areas, and any non-functional serving antenna are repaired to function within normal ranges. If the documentation of the acceptance test or most recent previous annual test results are not available or acceptable to the fire code official, the radio coverage verification testing described in Section 510.5.3 shall be conducted.

510.6.2 Additional frequencies. The building owner shall modify or expand the emergency responder radio coverage system at his or her expense in the event frequency changes are required by the FCC or other radio licensing authority, or additional frequencies are made available by the FCC Public Safety Radio System Operator or FCC license holder. Prior approval of a public safety radio coverage system on previous frequencies does not exempt this section.

510.6.3 Nonpublic safety system. Where other nonpublic safety amplification systems installed in buildings reduce the performance or cause interference with the emergency responder communications coverage system, the nonpublic safety amplification system shall be corrected or removed.

510.6.4 Field testing. Agency personnel shall have the right to enter onto the property at any reasonable time to conduct field testing to verify the required level of radio coverage or to disable a system that due to malfunction or poor maintenance has the potential to impact the emergency responder radio system in the region.

(Ord. 705 § 6 (Att. A), 2020)

21.62.180 Other amendments to the 2018 International Fire Code.

(1) Subsection 103.2 of the 2018 International Fire Code is amended to read as follows:

[A] 103.2 Appointment. The fire code official for the City of Woodinville shall be appointed by the Woodinville City Manager.

(2) Subsection 105.3.1 of the 2018 International Fire Code is amended to read as follows:

[A] 105.3.1 Expiration. An operational permit shall remain in effect until reissued, renewed or revoked, or for such a period of time as specified in the permit. Construction permits issued shall be valid as prescribed in WMC 21.62.080. Fire permits are not transferable and any change in occupancy, operation, tenancy or ownership shall require that a new permit be issued.

(3) Subsection 105.3.2 of the 2018 International Fire Code is amended to read as follows:

[A] 105.3.2 Extensions. A permittee holding an unexpired permit shall have the right to apply for an extension of the time within which the permittee will commence work under that permit where work is unable to be commenced within the time required by this section for good and satisfactory reasons. The fire code official is authorized to grant, in writing, one extension of time for an operational permit not to exceed six months, provided the work authorized has not been suspended or abandoned; and for construction permits as prescribed in WMC 21.62.080.

(4) Section 109 of the 2018 International Fire Code is amended to read as follows:

Refer to Chapter 21.81 of the Woodinville Municipal Code for administrative appeals.

(5) Subsections 110.3 and 110.4 of the 2018 International Fire Code are amended to read as follows:

[A] 110.3 Violation procedures and penalties. Violations of this code shall be subject to the enforcement provisions set forth in Chapter 21.12 WMC.

(6) Subsections 112.4 of the 2018 International Fire Code are amended to read as follows:

[A] 110.4 Failure to comply. Violations of this code shall be subject to the enforcement provisions set forth in Chapter 21.12 WMC.

(7) Subsection 903.2 of the 2018 International Fire Code are amended to read as follows:

903.2 Where required. Approved automatic sprinkler systems in new buildings and structures shall be provided in the locations described in Sections 903.2.1 through 903.2.12, and in all new construction with a gross floor area of 5,000 square feet or greater, regardless of type or use.

Exception: Spaces or areas in telecommunications buildings used exclusively for telecommunications equipment, associated electrical power distribution equipment, batteries and standby engines, provided that those spaces or areas are equipped throughout with an automatic smoke detection system in accordance with Section 907.2 and are separated from the remainder of the building by not less than 1-hour fire barriers constructed in accordance with Section 707 of the International Building Code or not less than 2-hour horizontal assemblies constructed in accordance with Section 711 of the International Building Code, or both.

(8) Subsection 903.4 of the 2018 International Fire Code is amended to read as follows:

903.4 Sprinkler system supervision and alarms. Valves controlling the water supply for automatic sprinkler systems, pumps, tanks, water levels and temperatures, critical air pressures and water flow switches on all sprinkler systems shall be electrically supervised by a listed fire alarm system.

Exceptions:

1. Automatic sprinkler systems protecting one-and two-family dwellings.

2. Limited area sprinkler systems in accordance with Section 903.3.8.

3. Automatic sprinkler systems installed in accordance with NFPA 13R where a common supply main is used to supply both domestic water and the automatic sprinkler system, and a separate shutoff valve for the automatic sprinkler system is not provided.

4. Jockey pump control valves that are sealed or locked in the open position.

5. Control valves to commercial kitchen hoods, paint spray booths or dip tanks that are sealed or locked in the open position.

6. Valves controlling the fuel supply to fire pump engines that are sealed or locked in the open position.

7. Trim valves to pressure switches in dry, pre-action and deluge sprinkler systems that are sealed or locked in the open position.

(9) Subsection 903.4.2 of the 2018 International Fire Code is amended to read as follows:

903.4.2 Alarms. An approved audible device, located on the exterior of the building in an approved location, in addition to occupant notification described in Section 907.5 shall be connected to each automatic sprinkler system. Such sprinkler waterflow alarm devices shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Actuation of the automatic sprinkler system shall actuate the building fire alarm system.

(Ord. 705 § 6 (Att. A), 2020)