The International Residential Code, published by the International Code Council, as adopted by the state of Washington, Chapter 51-51 WAC, together with any supplements thereto, 2021 Edition, be and they are adopted by reference with the following amendments.

Section R105.2 is amended to read as follows:

R105.2 Work exempt from permit. Permits shall not be required for the following. Exemption from the permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction.

Building:

1. Other than storm shelters, one-story detached accessory structures, provided the floor area does not exceed 144 square feet.

2. Retaining walls that are not over 4 feet in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge.

3. Water tanks supported directly upon grade if the capacity does not exceed 5,000 gallons and the ratio of height to diameter or width does not exceed 2 to 1.

4. Sidewalks and driveways not more than 30 inches above adjacent grade and not over any basement or story below.

5. Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.

6. Prefabricated swimming pools that are less than 24 inches deep.

7. Swings and other playground equipment.

8. Window awnings supported by an exterior wall which do not project more than 54 inches (1372 mm) from the exterior wall and do not require additional support.

Electrical:

1. Listed cord-and-plug connected temporary decorative lighting.

2. Reinstallation of attachment plug receptacles but not the outlets therefor.

3. Replacement of branch circuit overcurrent devices of the required capacity in the same location.

4. Electrical wiring, devices, appliances, apparatus or equipment operating at less than 25 volts and not capable of supplying more than 50 watts of energy.

5. Minor repair work, including the replacement of lamps or the connection of approved portable electrical equipment to approved permanently installed receptacles.

Gas:

1. Portable heating, cooking or clothes drying appliances.

2. Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.

3. Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.

Mechanical:

1. Portable heating appliances.

2. Portable ventilation appliances.

3. Portable cooling units.

4. Steam, hot- or chilled-water piping within any heating or cooling equipment regulated by this code.

5. Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.

6. Portable evaporative coolers.

7. Self-contained refrigeration systems containing 10 pounds (4.54 kg) or less of refrigerant or that are actuated by motors of 1 horsepower (746 W) or less.

8. Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.

Plumbing:

1. The stopping of leaks in drains, water, soil, waste or vent pipe; provided, however, that if any concealed trap, drainpipe, water, soil, waste or vent pipe becomes defective and it becomes necessary to remove and replace the same with new material, such work shall be considered as new work and a permit shall be obtained and inspection made as provided in this code.

2. The clearing of stoppages or the repairing of leaks in pipes, valves or fixtures, and the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures.

Section R105.5 is amended to read as follows:

R105.5 Expiration.

Every permit issued shall become invalid unless the work authorized by such permit is commenced within 180 days after its issuance

If the work described in any building permit has not been substantially completed within 24 months of the date of issuance thereof, said permit shall expire. The building official is authorized to grant, in writing, one or more extensions of time, for periods not more than 180 days each. The extension shall be requested in writing and justifiable cause demonstrated. Work on the project shall not proceed unless a permit renewal fee has been paid. The renewal fee is half of the original building permit fee amount.

R106.3.3 Phased approval.

The building official is authorized to issue a permit for the construction of foundations or any other part of a building or structure after the construction documents for the whole building or structure have been submitted, provided that adequate information and detailed statements have been filed complying with pertinent requirements of this code. The holder of such permit for the foundation or other parts of a building or structure shall proceed at the holder's own risk with the building operation and without assurance that a permit for the entire structure will be granted.

Section R108 is amended to read as follows:

Section R108. Fees.

R108.1 Payment of fees. A permit shall not be valid until the fees prescribed by law have been paid. Nor shall an amendment to a permit be released until the additional fee, if any, has been paid.

R108.2 Schedule of permit fees. On buildings, structures, gas, mechanical and plumbing systems or alterations requiring a permit, a fee for each permit shall be paid as required, in accordance with the schedule as established by the applicable governing authority.

R108.2.1 Building permit fee. Building permit fees for single family residential permit shall be as specified in Table B codified in chapter 19.14.150.

R108.2.2 Mechanical permit fees. The fees for mechanical work and gas piping shall be as specified in Table M-1 codified in chapter 19.14.170.

R108.2.3 Plumbing permit fees. The fees for plumbing work shall be as specified in Table P-1 codified in chapter 19.14.180.

R108.2.4 Plan review fees.

1. When submittal documents are required by section R106.1, a plan review fee shall be paid. Such plan review fee shall be sixty-five (65) percent of the building permit fee as specified in Table B.

2. The plan review fees specified in this section are separate fees from the permit fees specified in this section and are in addition to the permit fees.

3. When submittal documents are incomplete or change so as to require additional plan review or when the project involves phased approval as defined in section R106.3.3, an additional plan review fee shall be charged at the rate shown in Table B.

R108.3 Building permit valuations. Building permit valuation shall be based on the current Building Valuation Data Sheet issued by the International Code Council. Building permit valuation shall include total value of the work for which a permit is being issued, such as electrical, gas, mechanical, plumbing equipment and other permanent systems, including materials and labor.

R108.4 Related fees. The payment of the fee for the construction, alteration, removal or demolition for work done in connection with the work authorized by a building permit shall not relieve the applicant or holder of the permit from the payment of other fees that are prescribed by law.

Section R108.5 is amended to read as follows:

R108.5 Refunds. The building official is authorized to establish a refund policy.

The building official may authorize refunding of any fee paid hereunder which was erroneously paid or collected.

The building official may authorize refunding of not more than 80 percent of the permit fee paid when no work has been done under a permit issued in accordance with this code.

The building official may authorize refunding of not more than 80 percent of the plan review fee paid when an application for a permit for which a plan review fee has been paid is withdrawn or canceled before any plan reviewing is done.

The building official shall not authorize refunding of any fee paid except on written application filed by the original permittee no later than 180 days after the date of fee payment.

Section R108.6 is amended to read as follows:

R108.6 Work commencing before permit issuance.

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 a fee established by the applicable governing authority equal to the amount of the permit fee required by this chapter and said fee shall be in addition to the required permit fees.

Section R112 is amended to read as follows:

R112.1 General.

In order to determine the suitability of alternate materials and methods of construction and to provide for reasonable interpretations of this code, and to hear any appeals hereunder and in order to provide for final interpretation of the provisions of this code and to hear appeals provided for hereunder, appeals follow the process under AMC table 19.20.030 and appeals 19.20.180.

Section R301 is amended as follows:

Table R301.2(1) The local values shall be as follows.

Table R301.2(1) CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA

			SUBJECT TO DAMAGE FROM				WINTER DESIGN TEMP	ICE SHIELD UNDER-LAYMENT REQUIRED	FLOOD HAZARDS	AIR FREEZ-ING INDEX	MEAN ANNUAL TEMP
GROUND SNOW LOAD	WIND SPEED (mph)	SEISMIC DESIGN CATE-GORY	Weather-ing	Frost line depth	Termite	Decay
20	115	D1	Moderate	12	N-S	S-M	24	No	9/17/03	154	50