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Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest point of the building, irrespective of material or function of the highest element (i.e., including antennae, flagpoles, signage and other functional-technical equipment).
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the architectural top of the building, including spires, but not including antennae, signage, flag poles or other functional-technical equipment. This measurement is the most widely utilized and is employed to define the Council on Tall Buildings and Urban Habitat (CTBUH) rankings of the "World's Tallest Buildings."
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
The number of floors above ground should include the ground floor level and be the number of main floors above ground, including any significant mezzanine floors and major mechanical plant floors. Mechanical mezzanines should not be included if they have a significantly smaller floor area than the major floors below. Similarly, mechanical penthouses or plant rooms protruding above the general roof area should not be counted. Note: CTBUH floor counts may differ from published accounts, as it is common in some regions of the world for certain floor levels not to be included (e.g., the level 4, 14, 24, etc. in Hong Kong).
The number of floors below ground should include all major floors located below the ground floor level.
Rainier Square
Building
Completed
2020
residential / office
composite
Tracking LEED
258.2 m / 847 ft
58
7
189
1000
31
102,193 m² / 1,099,996 ft²
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Proposed
Construction Start
Completed
Usually involved in the front end design, with a "typical" condition being that of a leadership role through either Schematic Design or Design Development, and then a monitoring role through the CD and CA phases.
The Engineer of Record takes the balance of the engineering effort not executed by the “Design Engineer,” typically responsible for construction documents, conforming to local codes, etc.
The main contractor is the supervisory contractor of all construction work on a project, management of sub-contractors and vendors, etc. May be referred to as "Construction Manager," however, for consistency CTBUH uses the term "Main Contractor" exclusively.
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
You must be a CTBUH Member to view this resource.
Usually involved in the front end design, with a "typical" condition being that of a leadership role through either Schematic Design or Design Development, and then a monitoring role through the CD and CA phases.
The Engineer of Record takes the balance of the engineering effort not executed by the “Design Engineer,” typically responsible for construction documents, conforming to local codes, etc.
The Engineer of Record takes the balance of the engineering effort not executed by the “Design Engineer,” typically responsible for construction documents, conforming to local codes, etc.
The main contractor is the supervisory contractor of all construction work on a project, management of sub-contractors and vendors, etc. May be referred to as "Construction Manager," however, for consistency CTBUH uses the term "Main Contractor" exclusively.
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Best Tall Mixed-Use Building 2022 Award of Excellence
2022 CTBUH Awards
Innovation Award 2022 Award of Excellence
2022 CTBUH Awards
Construction Award 2021 Winner
2021 CTBUH Awards
CTBUH Seattle Chapter Fall Workshop: 50 Forward / 50 Back
7 November 2019 - Event
29 October 2015 - Event
21 September 2021
Seattle Mixed-Use Tower Has Welcomed Residents
The Residences at Rainier Square have started welcoming their first occupants as of this summer. Located in downtown Seattle, the mixed-use project from Wright Runstad...
21 September 2021
Seattle Mixed-Use Tower Has Welcomed Residents
The Residences at Rainier Square have started welcoming their first occupants as of this summer. Located in downtown Seattle, the mixed-use project from Wright Runstad...
21 August 2019
Seattle’s Rainier Square Tops Out
With construction topping off, Rainier Square is set to become the second-tallest skyscraper in the city of Seattle. The last steel beam was placed on...
05 April 2019
Amazon Planning to Move Worldwide Operations Team from Seattle to Bellevue
In yet another sign that Amazon is cooling on its hometown of Seattle, the retail-entertainment-tech giant says it is planning to move its entire...
04 March 2019
E-Commerce Giant Backs Out of Seattle’s Rainier Square
Long Island City isn’t the only place that Amazon is pulling out of. The tech giant made waves when it threatened to withdraw from its...
7 November 2019
The CTBUH Seattle Chapter hosts its annual fall workshop, discussing upcoming building code updates and urban planning for density.
30 October 2015
CTBUH 2015 delegates toured Seattle, gateway to Asia and icon of the Pacific Northwest, where they witnessed a showcase of tall building and technological innovation.
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