Pacific Team For tomorrow may rain so Ill

Pacific Team For tomorrow may rain, so I’ll follow the sun.

Structural Engineers Ajaya Malla Jeremy Tillman UW Madison Stanford Katie Walker Stanford Owner Erik Kneer A E TCe a m Pacific Architect Joannie Rios UPR Construction Managers Magnus Hellsten KTH 2006 Josh Odelson Stanford

A E TCe a m Pacific 2006

Team Vision A E TCe a m Pacific 2006

O Team Process Owner Engineers Architects Construction Managers C Solution A A E TCe a m Pacific E 2006

Site Information N Project Details: • University Building • Use: - Engineering School for Innovative Design • Location: - San Francisco State University • Construction in 2015 • $6. 5 million Donation A E TCe a m Pacific 2006

Site Location N NN NEXT TO LAKE MERCED A E TCe a m Pacific 2006

Site Climate Information Mild Local Climate Average Temp: - Mid- 40 deg Precipitation: - 23 in rain/year A E TCe a m Pacific 2006

N Site Conditions • 18 degree Slope Hazards: • Earthquakes – Zone 4 ~ 1 -2 miles away from San Andreas Fault • Landslides • Liquefaction SITE SLOPE ke La D. LV 2006 d. B rce A E TCe a m Pacific Me MAP OF LIQUIFACTION & LANDSLIDE POTENITIAL

Site Master Plan N • Reflection Pond • Bridge Building Entrance • Running/walking path to Lake - Platforms - Ramps - Stairs • Swale A E TCe a m Pacific • Natural Vegetation 2006

Innovative Financing University Foundation • $6. 5 million to use • Meet current needs Build Parking Garage • Alleviates university parking problems • Parking fees back Revenue Bonds • Return rate of 6% $8, 415, 000 A E TCe a m Pacific 2006

Schedule Site Foundation Interior Framing Roof MEP/ Interior Finishes A E TCe a m Pacific Labs Finished April 30, 2016 Project Finish July 12, 2016 2006

N Site Access Street improvement for South access Re-route runningpath SITE BUS STOPS A E TCe a m Pacific 2006

Site Layout N Material Storage Site offices Security Water/Electricity WC Parking Waste container Equipment Recyle area Workshop Wheel wash A E TCe a m Pacific 2006

Slope Stability Solutions Control: SWALE CROSS-SECTION GABIONS A E TCe a m Pacific 2006 1. Ground water pressure - Horizontal Drains 2. Storm-water runoff - Swales 3. Slope erosion - Re-vegetation - Gabions

N 19’-2” Foundation 19’-2” 19’-4” 58’-0” 19’-4” REQUIRES: 1. Higher Building Design Forces 1. Second Basement - Larger Structural Members 2. Flexible Utility Connections 19’-4” - 19’-4” 19’-2” Ductile Connections A E TCe a m Pacific 1. Base Isolation 2. Foundation On-Grade 19’-2” 17 Base Isolators Options: 2006 Trade Off Analysis: Base Isolation Design Requirements Cost of Structure = $2, 155, 000 Foundation On-Grade Design Requirements Cost of Structure = $1, 575, 000 SAVE $580, 000

Foundation Solution Design: • 12” Diameter Bored 4 in 12 in ~ 40 ft A E TCe a m Pile Comparison: • Bored - Cost = $9100/pile • Driven - Cost = $6300/pile PILE CAP DETAIL Pacific Pile • Concrete Grade Beams • 4” Concrete Slab On. Grade • Display Graphic for pile design 2006

N Basement Floor Instructional Lab Computer Lab Seminar Rooms Auditorium 116’-0” Restroom Storage Balcony 116’-0” A E TCe a m Pacific 2006

N 19’-4” 19’-2” - Retaining Walls 19’-4” • Lateral System: - Beam: W 12 x 120 Shear Wall - Concrete - 12” wide Shear Wall Core - Concrete - 12” wide 19’-2” A E TCe a m Pacific and Beams Moment Frame - Column: HSS 16 x 16 19’-4” • Gravity System: • MEP Room - Steel Columns 19’-4” 19’-2” Basement 2006

N First Floor Small Classrooms Large Classrooms Administration 125’-0” Storage Restrooms 125’-0” A E TCe a m Pacific 2006

N 19’-4” 19’-2” A E TCe a m Pacific 19’-2” 2006 Wall Truss: 19’-4” • Span Auditorium • Transfer Load 19’-4” 19’-2” First Floor • Architectural requirement

Wall Truss - Connection 12’-6” Connection Detail: 58’-0” 19’-2” A E TCe a m Pacific • Gusset Plate • Pin Connection 2006

Wall Truss: Load Path 58’-0” A E TCe a m Pacific 2006

N Second Floor Student offices Faculty Lounge Restrooms 128’-0” A E TCe a m Pacific 2006

N 13’-6 19’-4” 19’-2” Second Floor 19’-4” 19’-2” 13’-6 A E TCe a m Pacific 2006 Special Features: 1. Link Bridge 2. Lateral System 3. Core-wall Interface

Moment Frame Connection Full Penetration Weld Shear Tab Bolt A E TCe a m Pacific 2006 Moment Frame • Double Moment Connection • Biaxial Bending • Use of HSS square tubular section • Pre-North Ridge approved connection

Second Floor Link Bridge: A E TCe a m Pacific • Provides Diaphragm Action • Transfers Lateral Load to Shear Core • Shear Tab Connection to Girder 2006

Lateral System Load Path N Moment Frame Link Bridge Shear Wall Core Load Transfer Girder A E TCe a m Pacific 2006

Roof N Corrugated Metal Glass Solar Panels 128’-0” A E TCe a m Pacific 2006 Louvers

Building Section Interior Spaces Open Space 128’-0” Outside Space A E TCe a m Pacific 2006

HVAC - Evolution MECHANICAL SYSTEM HYBRID SYSTEM A E TCe a m Pacific Supply 2006 Return

Roof Evolution A E TCe a m Pacific 2006

Roof Evolution A E TCe a m Pacific 2006

Roof Structural Evolution 30 ft 58 ft A E TCe a m Pacific Efficient Load Path Shallow Depth 2006

Roof Structural Evolution ARCH TRUSS (WITH COLUMNS) ELLIPTICAL ROOF (END TRUSS) ELLIPTICAL TRUSS (VARIABLE DEPTH) A E TCe a m Pacific 2006

Trade Off Analysis Arch Beam (Option-1) Curved Truss (Option-2) Comparison Architecture Shallow structure Column free space Smaller section Open space highly desired (Option-2) Structure Efficient Lateral load resisting mechanism Deep truss required for stiffness Arch is more efficient Costing Weight – 20 kip/Truss More bending More handling Weight – 21. 5 kip/Truss More welding Negligible difference A E TCe a m Pacific 2006

N Final Structural Design Key Structure TOP CHORD (8. 625 x 0. 5 HSS) BOTTOM CHORD (8. 625 x 0. 375 HSS) DIAGONALS (7. 5 x 0. 375 HSS) GIRDER (W 6 x 9 @ 6 ft c/c) 3 ft 5. 5 ft Material Specification Hollow Sections ASTM A 500 27 ft Rolled open section ASTM 529 (Gr 50 Steel) 58 ft A E TCe a m Pacific Bolts & Fasteners ASTM A 490 2006

Load Carrying Mechanism 97 ft Gravity Load (Dead / Live) 30 ft 58 ft D DL – 2. 2 in. (L/331) Dead Load – 35 psf Live Load - 20 psf A E TCe a m Pacific 2006 D LL – 0. 97 in. (L/725) ------------D (DL+LL)= 3. 1 in. (L/225)

Load Carrying Mechanism 97 ft Lateral Load (Seismic / Wind) 30 ft Wind – 20 psf Seismic – 20% DL 58 ft Lateral Drift (max) 1. 5 in ( H / 240) A E TCe a m Pacific 2006

Transverse Direction Bracing Lateral Load: - 0. 5” Dia. Bracing rod. CONNECTION DETAIL 12. 5 k A E TCe a m Pacific 2006

Roof Connections - Conceptual TRUSS BASE CONNECTION -CONNECTS TO WIDE FLANGE COLUMN -PIN-TYPE DETAIL 3 ft 5. 5 ft A E TCe a m Pacific 2006

Truss Construction (temporary) PREFABRICATED C-CLAMP BOLTS SLOTTED ANGLE WELDED TO COLUMN End Truss with Temporary Supports A E TCe a m Pacific ADJUSTABLE COLUMN WITH ANGLED CUT 2006

Roof Construction TRUSS CHORD SPLICE (Detail Below) 0. 5” Round End Capping Plate 8. 625 x 0. 375” HSS Center. DETAIL Truss TRUSS CHORD – SPLICE Installation nd Floor 2 End Beam Truss with Completion Temporary Supports 3/8” Single “V” Butt. Weld A E TCe a m Pacific 2006

Roof Connections Diagonal Truss Connection 0. 5” thk capping plate 4” 8. 625 x 0. 5 HSS 0. 75” thk end plate Welded to HSS 8. 625 x 0. 375 HSS (Parallel Truss chord) 3 nos. ½ in. dia (A 490 bolts) A E TCe a m Pacific (Diagonal truss chord) 2006

4 D Construction A E TCe a m Pacific 2006

Cost Changes Cost Comparison • Superstructure + Increased Truss Steel • Exterior Closure – Changed from glass to corrugated metal $8, 630, 000 • Mechanical costs + Under-estimated cost Natural ventilation • Foundation – Overdesigned piles $8, 115, 000 • Overall building cost Lowered by $515, 000 2006 Finish July 12, 2016 A E TCe a m Pacific $

LEED - Sustainability • Rain water collection • PV Cells • Natural ventilation 29 Points LEED Certification A E TCe a m Pacific 2006 • Sustainable material • Sustainable construction

A E TCe a m Pacific 2006

A E TCe a m Pacific 2006