bcdc commission hearing · 2018. 10. 30. · san francisco-oakland bay bridge east span seismic...
TRANSCRIPT
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SAN FRANCISCO-OAKLAND BAY BRIDGE EAST SPAN SEISMIC SAFETY PROJECT
BCDC COMMISSION HEARING
JULY 19, 2018
AGENDA ITEM NO. 8
AMENDMENT REQUEST TO BCDC PERMIT NO. 2001.008
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SPEAKERS
• STEFAN GALVEZ, CALTRANS
• BLAKE SANBORN, AECOM
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INTRODUCTION
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PARTNERS
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E2 El E4 ES E6 E7 ES E9 ElO Ell E12 Ell E14 ElS E16 E17 E18 E22 E2l
SFOBB PROJECT UPDATE
Yerba Buena Island Oakland
Retain Marine Foundation Demo Complete4 Remove Retain
Superstructure Demo Complete
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PROJECT SCHEDULE
PIER RETENTION PROJECT MILESTONES •In-water Construction July – December 2018 •Opening to the Public – Spring 2019
•Controlled Implosion – September 2018•Clean-up – October-November 2018
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AGENCIES
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Controlled Blasting of Piers E19 and E20
•Two of the smallest piers, to be removed via controlled implosion
•Single blast event conducted in sequence
PIERS E19 / E20
•Blast attenuation system (bubble curtain)
•Rubble removed to removal depth and hauled for disposal
•Extensive monitoring and reporting program
•Same blasting contractor as Piers E3-E18
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Implosion Video Piers E11-E13
10/14/17
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PIER E2
PIER RETENTION SITES
99
PIERS E19-E23
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PIER E2
YERBA BUENA ISLAND SITE
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YERBA BUENA ISLAND
PIER E2
TREASURE ISLAND
BAY BRIDGE BIKE TRAIL
COAST GUARD
CONTEXT
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EXISTING CONDITIONS
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VEHICULAR PARKING & BIKE RACKS
TREASURE ISLAND
“GREAT WHITES
BAY TRAIL
TORPEDO BUILDING BAY BRIDGE
VIEWS
WATERFRONT PROMENADE
OBSERVATION DECK PUBLIC PLAZA
YBI SITE FEATURES
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TURN-AROUND AREA
4.5% SLOPED WALKWAY
SHORELINE PROTECTION
VIEW TOWARD BRIDGE LANDING
1414
SEATING AREA
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STEPS TO BRIDGE LANDING
SHADE TREE
SEAT STEPS
BAY BRIDGE STEEL COUNTER WITH SEATING
VIEW TOWARD OAKLAND
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VIEW TOWARD BAY BRIDGE
VIEWS TO BRIDGE AND EAST BAY
BAY BRIDGE STEEL CUSTOM RAILING BAY BRIDGE STEEL CUSTOM COMMUNAL TABLE
INTERPRETIVE SIGNAGE
CUSTOM SEATING
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LANDING PLAZA
19’ WIDE PEDESTRIAN BRIDGE
PIER E2
OPPORTUNITY FOR REUSE OF HISTORIC TORPEDO BUILDING
AERIAL VIEW
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LEGEND: DEDICATED PUBLIC ACCESS AREA
IR SITE 11 BOUNDARY 18
DEDICATED PUBLIC ACCESS
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DEDICATED PUBLIC ACCESS
PEDESTRIAN BRIDGE AND OBSERVATION DECK
3
4
2
5
6
PEDESTRIAN AND BICYCLE SHARED PATH
1
5
7
8
9
10
11
LEGEND: DEDICATED PUBLIC ACCESS AREA
LEGEND:
1 12’ SHARED PATH/MAINTENANCE ROAD
2 SLOPED WALKWAY
3 SEAT STEPS
4 RE‐PURPOSED STEEL AND WOOD COUNTER WITH BAR SEATING
5 BENCH(ES) 6 COMMUNAL TABLE
7 BIKE RACKS
8 SWING GATE
9 VEHICULAR DROP‐OFF (ADA)
10 PARKING
11 BIOSWALE
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ACCESS & CIRCULATION
BIKE AND PEDESTRIAN
VIEW OF BAY BRIDGE TRAIL LANDING
OAKLAND ROUTE-BIKE
TREASURE ISLAND-BIKE
ACCESS
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gy
-U.S. COAST GUARD (RESTRICTED ACCESS)
0 I I I WB 1-80 (OVERHEAD)
- OAKLAND ROUTE-VEHICLE
- TREASURE ISLAND ROUTE-VEHICLE
~ 1-1-l I \l.) 0 SO 100 200
ACCESS & CIRCULATION
VEHICULAR ACCESS
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PIERS E19-E23
OAKLAND SITE LOCATION
2222
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--~-,...
,,., _,,..,,,, ,,,., .,, .... .,,,,,. -,,,,,,...,,---
~,,,,,,,,.,---..-- -=:;:;:.--~
NORTH BAY + MOUNT TAM
SITE FEATURES OAKLAND SKYLINE
HISTORICAL BUILDINGS
FUTURE GATEWAY PARK
BAY BRIDGE
INDUSTRIAL WATERFRONT
BAY TRAIL
BRIDGEYARD BUILDING
PROPOSED PARKING
PROPOSED PARKING
CITY SKYLINE VIEWS
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PROPOSED GATEWAY PARK
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E23
EXISTING SITE
2525
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EXISTING CONDITIONS
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PIER DETAIL
WIDENED OBSERVATION AREA
FLEX SPACE
INTEGRATED RAIL LIGHTING
OUTDOOR CLASSROOM
INTERPRETIVE SIGNAGE
SALVAGED BAY BRIDGE STEEL COUNTER
SALVAGED BAY BRIDGE STEEL RAIL
LIGHTING
HISTORIC GATEWAY
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PROGRAMMING OPPORTUNITIES
OUTDOOR MARKET + EVENTS
HISTORIC GATEWAY
OUTDOOR CLASSROOM
EDUCATIONAL EXHIBITS
SOCIAL GATHERING
CEREMONIAL SPACE
OBSERVATION DECK
ACTIVITY ZONE
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J.
VIEW
ENTRY TO PIER UNIVERSALLY ACCESSIBLE ENTRY TO PIER
SALVAGED BAY BRIDGE STEEL
HISTORIC PIER E23
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LOOKING EAST - TOWARDS PIER E23 SALVAGED BAY BRIDGE STEEL COUNTER
CUSTOM SEATING
EDUCATIONAL EXHIBITS
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VIEW
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1 <
VIEW
LOOKING WEST - TOWARDS PIER E21
ACTIVITY ZONE
OBSERVATION DECK
PEDESTRIAN LIGHTING
CUSTOM SEATING 31
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VIEW
LOOKING SOUTHWEST - FROM BAY BRIDGE BICYCLE PATH32
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EXISTING BAY BRIDGE BIKE PATH
EXISTING BAY BRIDGE BIKE PATH TOUCHDOWN
ACCESS & CIRCULATION
PROPOSED PEDESTRIAN-BIKE PATH CIRCULATION
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POLICY
•ALLOWABLE BAY FILL •Public Benefit vs. Detriment – Water-oriented uses
•Meets the ‘recreation’ and ‘ public assembly’ criteria •No alternative upland location •Minimum fill through design approach•Minimal negative effect on Bay resources •Designed for “end of century” SLR projections (66”) + 100-year
storm event (~30”)
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I
POLICY
•MAXIMUM FEASIBLE PUBLIC ACCESS •Creates new public access to the shoreline and over the water •Connects to existing public access networks •Synergizes with long-term public access developments
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CONCLUSION
•Creates new public assetsunlike anything in the Bay
•Views of the SFOBB that cannot be replicatedelsewhere
•Renews interest in shoreline access in both locations
•Provides much-need publicopen space on the Bay
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THANK YOU
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