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Record No: CB 120084    Version: 1 Council Bill No: CB 120084
Type: Ordinance (Ord) Status: Passed
Current Controlling Legislative Body City Clerk
On agenda: 6/1/2021
Ordinance No: Ord 126357
Title: AN ORDINANCE relating to land disturbing activity; updating the Grading Code to align with updates to other codes; and amending Sections 22.170.020, 22.170.050, 22.170.060, 22.170.070, 22.170.080, 22.170.110, and 22.170.190 of the Seattle Municipal Code.
Sponsors: Dan Strauss
Supporting documents: 1. Summary and Fiscal Note, 2. Presentation (5/12/21), 3. Signed Ordinance 126357, 4. Affidavit of Publication
CITY OF SEATTLE
ORDINANCE __________________
COUNCIL BILL __________________
title
AN ORDINANCE relating to land disturbing activity; updating the Grading Code to align with updates to other codes; and amending Sections 22.170.020, 22.170.050, 22.170.060, 22.170.070, 22.170.080, 22.170.110, and 22.170.190 of the Seattle Municipal Code.
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BE IT ORDAINED BY THE CITY OF SEATTLE AS FOLLOWS:
Section 1. Section 22.170.020 of the Seattle Municipal Code, enacted by Ordinance 123107, is amended as follows:
22.170.020 Scope
This code applies to all grading and other land disturbing activity, including addition and replacement of ((impervious)) hard surface, within the City of Seattle; to the maintenance and protection of grades, slopes, and soil stability; and to the correction of hazards related to any of the foregoing.
Section 2. Section 22.170.050 of the Seattle Municipal Code, last amended by Ordinance 125248, is amended as follows:
22.170.050 Definitions
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"Development" means land disturbing activity or the addition or replacement of ((impervious)) hard surface.
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(("Impervious surface" means any surface exposed to rainwater from which most water runs off. Common impervious surfaces include, but are not limited to, roof tops, walkways, patios, driveways, formal planters, parking lots or storage areas, concrete or asphalt paving, permeable paving, gravel surfaces subjected to vehicular traffic, compact gravel, packed earthen materials, and oiled macadam or other surfaces which similarly impede the natural infiltration of stormwater. Open, uncovered retention/detention facilities shall not be considered as impervious surfaces for the purposes of determining whether the thresholds for application of minimum requirements are exceeded. Open, uncovered retention/detention facilities shall be considered impervious surfaces for purposes of stormwater modeling.))
"Hard surface" means "hard surface" as defined in Section 22.801.090.
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