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Record No: CB 119248    Version: Council Bill No: CB 119248
Type: Ordinance (Ord) Status: Passed
Current Controlling Legislative Body City Clerk
On agenda: 5/21/2018
Ordinance No: Ord 125588
Title: AN ORDINANCE amending the 2015 Seattle Building Code as adopted by Ordinance 125161; allowing the height limitation increase for Occupancy Group R-2 of Type IIIA construction be increased to six stories and 75 feet where all specified provisions are met.
Sponsors: Rob Johnson
Attachments: 1. Mayor's Letter on Returning Bill Unsigned 119248
Supporting documents: 1. Summary and Fiscal Note, 2. Presentation (05/16/18), 3. CB 119248 v2 Proposed Amendments (added 5/16/18), 4. Signed Ordinance 125588, 5. Affidavit of Publication
CITY OF SEATTLE
ORDINANCE __________________
COUNCIL BILL __________________
title
AN ORDINANCE amending the 2015 Seattle Building Code as adopted by Ordinance 125161; allowing the height limitation increase for Occupancy Group R-2 of Type IIIA construction be increased to six stories and 75 feet where all specified provisions are met.
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BE IT ORDAINED BY THE CITY OF SEATTLE AS FOLLOWS:
Section 1. Section 510 of the 2015 Seattle Building Code, enacted by Ordinance 125161, is amended as follows:
SECTION 510
SPECIAL PROVISIONS
510.1 General. The provisions in Sections 510.2 through 510.10 shall permit the use of special conditions that are exempt from, or modify, the specific requirements of this chapter regarding the allowable building heights and areas of buildings based on the occupancy classification and type of construction, provided the special condition complies with the provisions specified in this section for such condition and other applicable requirements of this code. The provisions of sections 510.2 through ((510.8)) 510.7 are to be considered independent and separate from each other.
Interpretation I510: Sections 510.2 through ((510.8)) 510.7 are not permitted to be used in combination with each other. Sections 510.8 through 510.10 are permitted to be used in combination with Section 510.2.
510.2 Horizontal building separation allowance. A building shall be considered as separate and distinct buildings for the purpose of determining area limitations, continuity of fire walls, limitation of number of stories and type of construction where all of the following conditions are met:
1. The buildings are separated with a horizontal assembly having a fire-resistance rating of not less than 3 hours.
2. The building below and including the horizontal assembly is of Type IA construction.
3. Shaft, stairway, ramp and escalator enclosures through the horizontal assembly shall have not less than a 2-hour fire-resistance rating with ope...

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