Architecture | Engineering | CM | Business

1. – TWISTING TOWER
Project
by:
Jose´ Torricos

2. PROJECT OUTLINE
 1. Introduction
 2. Site location, analysis and orientation
 3. Site restrictions and design challenges
 4. Schematics, design development, planning
 5. Structural design analysis
 6. Interior & exterior communication paths
 7. Exterior façade (glazing/cladding)
 8. Interior finishes
 9. Construction methods and assemblies
12/07/14 JT – TWISTING TOWER 2

3. SITE LOCATION, SEISMIC ANALYSIS
Location of the project: San Francisco, CA
Seismic Analysis: Zone 4
12/07/14 JT – TWISTING TOWER 3

4. SITE RESTRICTION AND DESIGN CHALLENGES
GENERAL INFORMATION
GEOTECHNICAL
Soil Type Sd (Soft soil profile)
Bearing Capacity 3500psi
Liquefaction Yes, data obtained at USGS
Piles have to be used
12/07/14 JT – TWISTING TOWER 4

5. Site Location
SITE RESTRICTION AND DESIGN CHALLENGES
GENERAL INFORMATION
SEISMIC ZONE MAP
12/07/14 5
JT – TWISTING TOWER

6. SITE RESTRICTION AND DESIGN CHALLENGES
GENERAL INFORMATION
SEISMIC ZONE
Seismic Zone: 4
Occupancy Category: Mix used (B,R)
Occupancy Type: IA
12/07/14 6
JT – TWISTING TOWER

7. SITE RESTRICTION AND DESIGN CHALLENGES
DEEP FOUNDATION
N
Prestressed Concrete Piles
Piles Driving Equipments
• Large load and great height structure
requires deep foundation
• Steel Reinforced Concrete piles
• 6 feet concrete mat caps and secure the
piles in place.
JT – TWISTING TOWER
12/07/14 7

8. SITE RESTRICTION AND DESIGN CHALLENGES
THREE STORY UNDERGROUND PARKING
Area: 177’ x 83’
Total Area: 45000 sf
Parking Spaces: 222
JT – TWISTING TOWER
12/07/14 8

9. SITE RESTRICTION AND DESIGN CHALLENGES
GENERAL INFORMATION
WIND LOAD
Site
(California Building Code
CBC 2009)
Wind speed = 80mph
12/07/14 JT – TWISTING TOWER 9

10. SCHEMATICS DESIGN, DEVELOPMENT & PLANNING
Torso Building
JT – TWISTING TOWER
12/07/14 10

11. SCHEMATICS DESIGN, DEVELOPMENT & PLANNING
Rectangular and Oval Shape Buildings
JT – TWISTING TOWER
12/07/14 11

12. SCHEMATICS DESIGN, DEVELOPMENT & PLANNING
LOCATION: SAN FRANCISCO, CA
CLIENT: XYZ
TYPE: SUPER TALL, MIX USED,
RETAIL, CORPORATE
OFFICE, RESIDENTIAL
BUILDING SIZE: 1,800,000 SF
HEIGHT: 720 FT (60 FLOORS)
WITH A 50 FT
ANTENNA OPTION 1
OPTION 3
OPTION 2
FINAL DESIGN
JT – TWISTING TOWER
12/07/14 12

13. SCHEMATICS DESIGN, DEVELOPMENT & PLANNING
12/07/14 JT – TWISTING TOWER 13

14. CORE FLOOR PLAN LAYOUT (TYP)
CORE WALL 7,400 SF
ELEVATORS
STAIRWAYS
RESTROOMS
STORAGE AREA
INTERIOR
COMMUNICATION
PATHS
JT – TWISTING TOWER
12/07/14 14

15. CORPORATE OFFICE FLOOR PLAN
3TH – 30TH FLOOR
TOTAL FOOTAGE – 30,000 SF
JT – TWISTING TOWER
12/07/14 15

16. RESIDENTIAL FLOOR PLANS
31ST – 59TH FLOORS
(4) 1 bedroom units - 1000 sf
(2) 2 bedrooms units - 2000 sf
(2) 2 bedrooms units - 2500 sf
(2) 3 bedrooms units - 2800 sf
(2) 3 bedrooms units - 3000 sf
JT – TWISTING TOWER
12/07/14 16

17. EXTERIOR FAÇADE
GLAZING & CLADDING (GFRC PANELS)
JT – TWISTING TOWER
12/07/14 17

18. INTERIOR FINISHES
INTERIOR DECORATION AT THE
FOYER
LOWER STORE - WAYS FULLY
GLAZED
JT – TWISTING TOWER
12/07/14 18

19. INTERIOR FINISHES
VIEW OF THE CORE BRACING VIEW OF THE HALLWAY
JT – TWISTING TOWER
12/07/14 19

20. INTERIOR FINISHES
ROOF TOP VIEW OF BLDG
JT – TWISTING TOWER
12/07/14 20

21. CONSTRUCTION METHODS AND ASSEMBLIES
IN PERFORMANCE CORE, REBAR IS
THICKER AT THE BASE, WHERE IT DOES
THE MOST WORK
EXTERIOR GLAZING
STEEL BRACING
12/07/14 21
JT – TWISTING TOWER

22. RENDERINGS
12/07/14 22
JT – TWISTING TOWER

23. REFERENCES :
1. Skyscrapers Structure and Design
By Mathew Wells
Projects:
The High Cliff - HONG KONG
Deutsche Post – GERMANY
2. Arup San Francisco Unbonded Brace
Eric Ko, Caroline Field
From research to Practice – A value story
www.arup.com/_assets/_download/download172.pdf
3. Geotechnical Engineering Handbook
By Robert W. Day
4. Building Code Illustrated
A Guide to Understanding the 2009 IBC
5. Turning Torso Case Study
By Mojgan Aghamir
6. Torre Mayor Case Study
By José Luigi Torricos
JT – TWISTING TOWER
12/07/14 23