The natural beauty found on the San Mateo County coastline is worth protecting for future generations.
STOP the Big Wave office park!
http://www.stopbigwave.org/
Big Wave Project FEIR: Planning Commission Hearing Nov 17 2010
1. Planning Commission Hearing
Wednesday, Nov. 17th 2010
El Granada Elementary School, El Granada CA
SANATORIUM
OFFICE PARK
OFFICE PARK
Sabrina Brennan
Seal Cove-Moss Beach
5. Is the Big Wave Project
prepared for an emergency?
SANATORIUM
OFFICE PARK
Rancho Corral de Tierra
POST
Pillar Point Bluff
FMR
HMB Airport
POST
POST
POST
6. “The proximity of the project to
the partially enclosed Pillar
Point Harbor and the potential
for tsunami events could expose
people to inundation by seiche,
which represents a potentially
significant impact.”
Big Wave Project DEIR
IV.H Hydrology & Water Quality
Page IV.H-61
7. 2007 Grand Jury Report
Tsunami Alert and Evacuation
On the San Mateo County Coast
SANATORIUM
BIG WAVE
TSUNAMI INUNDATION ZONE
Half Moon Bay, CA
8. A seiche (pronounced /ˈseɪʃ/ "saysh") is a standing wave
in an enclosed or partially enclosed body of water.
9. The tsunami that hit Hawaii in 1946 had a fifteen-
minute interval between wave fronts. The natural
resonant period of Hilo Bay is about thirty minutes.
That meant that every second wave was in phase with
the motion of Hilo Bay, creating a seiche in the bay.
As a result, Hilo suffered worse damage than any
other place in Hawaii, with the tsunami/seiche
reaching a height of 26 feet along the Hilo Bayfront,
killing 96 people in the city alone. Seiche waves
may continue for several days after a tsunami.
Hilo Bay Seiche
April 1st 1946
10. In 1946 a Tsunami hit Princeton By-The-Sea
April 1, 1946
Tsunami DebrisWater Resources Center Archives: Robert L. Wiegel
15. Tsunami water level
April 2, 1946 (day after the Tsunami)
Water Resources Center Archives: Robert L. Wiegel
16. “Structures should either be placed
at elevations above those likely to be
adversely affected during a tsunami
or seiche event or be designed to
allow swift water to flow around,
through, or underneath without
causing collapse.”
Big Wave Project DEIR
IV.H Hydrology & Water Quality
Page IV.H-61
17. ABAG tsunami maps show that the project
would place residential and commercial
structures within a mapped tsunami zone.
18. Would you want to be trapped with
swirling water and debris all around you?
Would you want to desperately try and
escape a natural disaster with traffic from
the office park choking your exit?
How do special needs people get the
necessary evacuation help needed?
Emergency Evacuation
19. The San Gregorio fault, just off the San
Mateo County Coast, has the potential of
causing a tsunami with essentially
no warning time.
The San Mateo County Office of
Emergency Services (OES) advises that
members of the public who are in low-
lying areas immediately head for high
ground when an earthquake occurs.
Grand Jury Report: 2007
Tsunami Alert and Evacuation
San Mateo County Coast
Grand Jury Report
21. Pi llar Po in t
Marsh
Jame s V. F i tzg e ral d
Mar ine Re se r ve
Critical Coastal Areas Pilot Project
San Francisco Esturay Institute and the
Association of Bay Area Governments, Consultants
For more information, please contact
Eric Zhang, Staff
San Francisco Estuary Institute
7770 Pardee Lane, 2nd Floor
Oakland, CA 94621
Kathleen Van Velsor, Staff
Legen d
Tsunami Evacuation Area
Urban Footprint
BIG WAVE
23. Earthquake and Tsunami
Evacuation
ALL TRAFFIC
in PRINCETON,
PILLAR RIDGE and SEAL COVE
MUST USE CYPRESS AVE
as the
SOLE EVACUATION ROUTE
ONTO HIGHWAY 1
24. Cypress Ave and Highway 1
is a Traffic Bottleneck
How will residents, visitors and employees
evacuate Princeton, Pillar Ridge, Seal Cove, the
proposed Big Wave office park and sanitarium
in the event of an earthquake or tsunami
emergency?
How will the current emergency evacuation
route, ONE exit onto Highway 1 and NO traffic
light at Cypress and Highway 1 be adequate in
the event of an earthquake or tsunami
emergency?
28. BIG WAVE
BIG WAVE
BIG WAVE
Princeton Traffic Bottlenecks
Princeton Traffic Must Use
Cypress Ave in Seal Cove as
the Earthquake and Tsunami
Emergency Evacuation Route
30. James Fitzgerald Marine Reserve
Critical Coastal Area
State of California
Area of Special Biological Significance (ASBS)
part of the federally protected
Monterey Bay National Marine Sanctuary
31. PACIFIC
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Vallejo Beach
Point Montara
Mon tara Beach
Miramar Beach
Wahleman
Harbor
El Granada Beach
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Pillar Point
Harbor
Deer Creek
Study Area
Option
Pillar
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Facility
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Kanoff C reek
D affo d il Creek
Dean Creek
Montara
El Granada
Moss Beach
Half Moon Bay
Rancho Co rral
de Tierra
Wicklow
Pi llar Point
Bluff
Mont ara
Stat e
Beach
SM Count y
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Pillar
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==1
DRAFT -
FOR PLANNING PURPOSES
S A N M A T E O C O U N T Y
Yolo
Sonoma
Napa
Solano
Santa Clara
Marin
San Joaquin
Alameda
Sacramento
Lake
Contra Costa
Stanislaus
Placer
Santa Cruz
Sutter
Mendocino
San Mateo
San Francisco
Critical Coastal Area
Boundary including ASBS
BIG WAVE
San Francisco Estuary Institute
www.sfei.org
33. Pillar Point Wetlands
Area of Special Biological Significance (ASBS) and part of the
federally protected Monterey Bay National Marine Sanctuary
Fitzgerald Marine Reserve
34. Denniston Creek
Watershed
San Vicente Creek
Watershed
Montara Creek
Watershed
Pillar Point Marsh Watershed
Martini Creek
Watershed
San Agustine Creek Watershed
Kanoff Creek
Watershed
Daffodil Creek Watershed
Deer Creek
Watershed
Dean Creek* Watershed
Seal
Cove
Watershed
Moss Beach
Watershed
Montara Urban
Watershed
Princeton
Watershed
Harbor
Watershed
Montara Beach
Watershed
0 0.3 0.6 0.90.15
Miles
-
Fitzgerald Marine Reserve CCA
Natural and Artificial Hydrology
0.5
Miles
F Legend
Enclosed pipeline > 24 "
Natural channels and earthen ditches
CCA Boundary
Subwatersheds
Wetland and Riparian Areas
CCA Boundary including ASBS
www.sfei.org
35. Denniston Creek
Watershed
Pillar Point Marsh Watershed
San Agustine Creek Watershed
Deer Creek
Watershed
d
ch
ed
Princeton
Watershed
Harbor
Watershed
0.6 0.9
Miles
-5
Miles
F Legend
Enclosed pipeline > 24 "
Natural channels and earthen d
CCA Boundary
Subwatersheds
Wetland and Riparian Areas
CCA Boundary including ASBS
BIG WAVE
Pillar Point Marsh Watershed
the San Francisco
Estuary Institute
www.sfei.org
36. AirportStreet
Riparian Wetland/
Drainage Channel
Active Agriculture
Seasonal Wet Meadow
Riparian Wetland
Riparian Wetland
Pillar Point Marsh
Freshwater Marsh
Active Agriculture
0 400200 300100
Legend
Project Site
Wetland Boundary
BIG WAVE PROJECT SITE
Seasonal Creek
Pillar Point Marsh
Riparian Wetland
