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A. Conflict between Codes. Whenever there is a conflict between a referenced code in CEMC Section 15.04.030 and the general requirements contained in CEMC Section 15.04.040, the general requirements shall apply.

B. Climatic and Geographic Design Criteria.

GROUND SNOW LOAD

115

WIND SPEED (Gust)

110 mph

Topographic effects: NO

Special wind region: NO

Windborne debris zone: NO

SEISMIC DESIGN CATEGORY

IRC: D0

IBC:

SS=0.65

S1=0.23

SUBJECT TO DAMAGE FROM

Weathering

Severe

Frost line depth

24"

Termite

Slight To Moderate

WINTER DESIGN TEMP.

ICE SHIELD UNDERLAYMENT REQUIRED

YES

FLOOD HAZARDS

Date Entered Into NFIP:

3/3/1975

Date of Current FIRM Maps Adopted:

5/5/1981

AIR FREEZING INDEX

1500

MEAN ANNUAL TEMP.

50

C. Professional Preparation of Plans. The city of Cle Elum shall require a Washington State licensed design professional, licensed under the provisions of Chapter 18.08 RCW, Chapter 308-12 WAC (for architects) or Chapter 18.43 RCW (for engineers) to stamp, prepare or oversee the preparation of plans and calculations for buildings or structures when any of the following criteria are met but is not limited to the following:

1. The following are required to be professionally designed for structural integrity (lateral and gravity), life safety and architectural barriers (accessibility):

a. A building of any occupancy over four thousand square feet.

Exception: Residential structures.

b. Buildings containing five or more residential dwelling units.

2. The following are required to be professionally designed for structural integrity (lateral and gravity) only:

a. All steel, concrete, masonry and timber framed structures.

b. All log buildings and structures.

This includes any log or beam style trusses used in stick framed buildings.

Exception: One-story log buildings with a single ridged stick-framed roof with no valleys or trussed roof may be accepted without a professional structural design.

c. All other structures within the city of Cle Elum.

Exception: One-story buildings with a single ridged stick-framed roof with no valleys or trussed roof may be accepted without a professional structural design.

d. All premanufactured metal structures.

These structures are primarily used as carports and require a building permit when over two hundred square feet. All plans and specifications must be engineered by a Washington State licensed engineer and plans must state the snow load and wind load capacities. Plans must also include details on the tie-down or foundation systems.

(Ord. 1602 § 2, 2021; Ord. 1451 § 1, 2016; Ord. 1386 § 1 (Exh. A), 2013)