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las tunas beachmay 10 2012
site analysis / program / concepts
malibu, california
prepared by:
CLIENT: LANDSCAPE ARCHITECT:
San Francisco, Cainfo@bioniclandscape.comp: 415.206.0648
1330 Broadway, Suite 1100Oakland, CA 94612
las tunas beachmalibu, california
las tunas beachaccess study
2012 May 10
Public/Private
County
State
0 1/2 1 2
SCALE (MILES)
0.1 mi
0.6 mi
0.7 mi
1.1 mi
0.5 mi
0.5 mi
0.4 mi
0.2 mi
0.8 mi
1.6 mi
Malibu R
oad0.5 m
i
Malibu R
oad0.4 m
i
Malibu R
oad0.2 m
iM
alibu Road
0.2 mi
0.1 mi
Malibu R
oadM
alibu Road
1.4 mi
Malibu C
olony Beach
0.3 mi
Malibu Lagoon State B
each
0.5 mi
Carbon La C
osta Beach
Las Flores Beach (Lent)
Surfrider Beach
Carbon B
each (Zonker Harris)
Carbon B
each (Geffen)
Big R
ock Beach (M
oonshadows)
Big R
ock Beach
Las Tunas Site
Las Tunas State Beach
Topanga State Beach
Will R
ogers State Beach
0.0 mi
Santa Monica State B
each
0.5 1.0
scale (miles)
2.0
las tunas beachmalibu - existing vertical access 2012 May 10
P
Topanga State Beach
Las Tunas State Beach
Big R
ock Beach A
ccess
Moonshadow
s Access (closed)
Carbon B
each (Geffen)
Las Flores Access (Lent)
Las Tunas Site
B DC A
P PW
ill Rogers State B
each
A
P
Will R
ogers State Beach
A
P
Santa Monica State B
each
A
P
0 1500 3000 6000
SCALE (FEET)
Bus
ImmediateParking
Restrooms
Surfing
SCUBA
Fishing
Water Quality(02-05-10)
las tunas beachsite context2012 May 10
Pacific Coast Highway
Tuna
Can
yon
Ro
ad
Budwood Mountainway
Big Rock Drive
Next Access (Big Rock)0.4 miles
Next Access (Topanga State Beach)0.8 miles
Las Tunas Site to Las Tunas State Beach0.2 miles
Las Tunas Site Las Tunas State Beach
0 300’ 600’ 1200’
SCALE (FEET)
Bus Stop
Sidewalk and Crosswalk
Continuous Street Parking
Bike Lane
Intermittent Street Parking
Adjacent Open Space
Wet Sand
Existing Lateral Easement
las tunas beachcirculation2012 May 10
1972
october 23, 1979
july 01, 1987
september 23, 2002
las tunas beachhistoric aerial photo survey2012 May 10
september 16, 2006
september 18, 2008
september 23, 2010
las tunas beachhistoric aerial photo survey2012 May 10
las tunas beachsurvey2012 May 10
Property Line Concrete Seawall Mean High Tide LineElev: 2.06’
Concrete Seawall
Private Residence Screen Wall
A’
A
A
A’
A
A’
Riprap
Private Residence
25’
5’
las tunas beachSCALE (FEET)
0 4 8 16
section A2012 May 10
B ‘
B’
B
B’
B
B’
Property Line Concrete SeawallConcrete Seawall
Existing Fence
Pacific Coast Highway
Riprap
27.9’
25’
5’
las tunas beach
SCALE (FEET)
0 4 8 16
section B2012 May 10
Property Line
Riprap
5’
C’
C
C
C’
C’
C
SCALE (FEET)
0 4 8 16
Existing Fence
28.7’ 28.3’
las tunas beachsection C2012 May 10
Property Line
Riprap
D’
DD
D’
D’
D
SCALE (FEET)
0 4 8 16
Existing Fence
30’28’
9’
las tunas beachsection D2012 May 10
Fence(runs length of site)
Grade varies, see survey for adjacent slope conditions
Telephone Pole (where occurs)
Utility Easement
Property Line
Parking Bike Route Travel Lane Travel Lane
Pacific Coast HighwaySpeed Limit: 45 mph
12’ 12’9’
SCALE (FEET)
0 2 4 8
las tunas beachtypical existing section2012 May 10
3
4
1
6
7
5
2
las tunas beachsite photo key2012 May 10
1
2
las tunas beachsite photos2012 May 10
3
4
las tunas beachsite photos2012 May 10
5
6
las tunas beachsite photos2012 May 10
7
las tunas beachsite photos2012 May 10
whale migration
big rock reef
topanga state beachlas tunas state beach
will rogers state beach
santa monica state beach
santa catalina island
los angeles santa monica
santa monica pier
pacific park
veniceocean park
marinadel ray
playa vista
el segundo manhattanbeach
hermosabeach
redondobeach
redondobeach
rancho palo verde
las tunas site
planes landing at lax
sunrise... ...set
stormwater outflow
venice beach boardwalk
ballona wetlands - bird habitat
marina del ray harbor
las tunas beachview analysis2012 May 10
0 20 40 80
SCALE (FEET)
Next Beach Access - Big Rock 0.4 mi
Next - Big Rock 0.35 miNext Beach Access - Las Tunas State Beach 0.2 mi
Next - Tuna Canyon 0.8 mi
Bike Route
Travel Lane
Property Line
Utility Easment
Extent of Riprap and Seawall
Telephone pole
Mean High Tide LineAverage Annual Daily Traffic: 41,000
Peak Hour Traffic: 3,750
Speed Limit: 45 mphPCH data LEGEND
Street Parking, Spaces Available10
PCH
290 ft
100
ft
70 ft
las tunas beachsite conditions2012 May 10
290’’
1000’
parallel parking
parking lot300’
0-5% Slope (top of slope)
MotoristsCyclists Residents
DogsTourists
Legend
Vertical Separation between roadway and beach
Circulation between Las Tunas State Beach and Site
0-25% Slope (sand beach)
0-25% Slope (tidal beach)
las tunas beach2012 May 10
Slopes < 5% (top of slope)buildable area: 3,750sf
Parking - 0’
Destination - 300’
Mean High Tide Level
Property Line
Path of Travel
Slopes < 25%buildable area: 1,400sf
Full build-out10’ min from MHTLbuildable area: 2,250sf
24 Stairs
10 StairsTS 11’
BS 6’
FS 28’
2,900sf
250sf 600sf
2,250sf
1,400sf
Legend
BS 12’
TS 24’
las tunas beachconstruction envelope study2012 May 10
2012 April 10
las tunas beachprogram/concepts
CREATE BEACH ACCESS
MAINTAIN VISUAL ACCESS
CREATE PEDESTRIAN SAFETY
SUPPORT LITTORAL TRANSPORT
las tunas beach
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project goals2012 May 10
Pacific Coast Highway
Parallel Parking
Edge Buffer Planting
Wood Deck
Drainage Outlet Beach
Existing Concrete Seawall
Buffer Planting
Exposed Soil SlopeRock/Rip Rap
Wood Decking
Parallel ParkingThree Dimensional Wood Seating/Viewing Platforms
Buffer Planting
Tree Planting (3)
Pacific Ocean
Consolidated improvements at northwest corner of siteThree-dimensional wood decking for seating and overlookNew trees(3)/ShadeServices• Seating • Picnic Area• Bicycle Parking
Program Elements
S
N
las tunas beachsmall - 3D wood decks, trees2012 May 10
City Deck - Wood Deck/Lounge City Deck - Wood Deck/Lounge Vinaros Microcoast
Vinaros MicrocoastCity Deck - Event
las tunas beachconcept images2012 May 10
Pacific Coast Highway
Parallel Parking
Decomposed Granite Paving
Wood Bench/Lounge
Drainage Outlet
S
N
Beach
Edge Buffer Planting
Existing Concrete Seawall
Buffer Planting
Exposed Soil SlopeRock/Rip Rap
Decomposed GraniteBicycle Parking
Parallel ParkingElevated Picnic Area
Buffer Planting
Tree Planting (2)
Wood Decking
Concrete Seat/Signage Wall
Pacific Ocean
Consolidated improvements at northwest corner of siteWood Decking/Elevated Picnic PlatformDecomosed Granite Bike Parking AreaDecomposed Granite Pathway and OverlookNew trees (2)/ShadeServices• Bicycle Parking• Seating • Picnic Area
Program Elements
las tunas beachmedium - wood lounge, picnic, overlook2012 May 10
Pacific Coast Highway
Parallel ParkingWood Deck Overlook
Integral Wood Bench
Wood Decking/Overlook
Drainage Outlet Beach
Concrete Benches
Edge Buffer Planting
Existing Concrete Seawall
Buffer Planting
Exposed Soil SlopeRock/Rip Rap
Wood Bench/Lounge
Parallel ParkingDecomposed Granite Paving
Tree
Pacific Ocean
Wood deck overlook adjacent to parkingWood bench/lounge seatingSpecimen tree plantingNew stairs/decking over existing seawall and concrete benchConcrete plinths traversing drainage outlet and riprapBeach accessServices• Seating • Picnic Area• Bicycle Parking
Program Elements
las tunas beachlarge/x-large - deck, overlooks, beach access2012 May 10
Existing Slope Cast Forms
Cliff Swallow NestsSlope Treatment Diagram
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Smooth Surface and Pave
Existing Seawall
las tunas beachconcept images2012 May 10
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