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