D.2 Riverside Overpass Update

I-80 San Pablo Dam Road Interchange
Project – Phase 1
WHO WE ARE
• The Contra Costa Transportation Authority
(CCTA) is a public agency formed by Contra
Costa County voters in 1988 to manage the
county’s transportation sales tax program
and to lead the county’s transportation
planning efforts.
Who We Are
• CCTA is responsible for maintaining and
improving the county’s transportation
system by planning, funding, and delivering
critical transportation infrastructure
projects and programs that connect our
communities, foster a strong economy,
increase sustainability, and safely and
efficiently get people where they need to
go.
WHAT WE DO
• BUSES Invest in a reliable, comfortable
and convenient bus network
• BICYCLE Invest in safe routes and
infrastructure improvements for bicyclists
• LOCAL STREETS Smooth traffic flow on
major roads and invest in neighborhood
improvements such as repairing potholes
and road surfaces
• BART Make improvements to BART
service and stations, such as extensions to
new routes and parking at stations
• PEDESTRIAN Make improvements to
sidewalks, crosswalks, trails, and paths
• SAFE ROUTES TO SCHOOLS Focus on
programs and projects aimed at bicycle
and pedestrian safety for K-12 students
• FERRIES Expand the Bay Area ferry system
by looking to ferries as an alternate
commute method between West County
and San Francisco
• HIGHWAYS Complete Contra Costa’s
highway system, and improve air quality
and noise protection along these
corridors
• CARPOOL/RIDESHARE Implement
programs aimed at reducing traffic
congestion by encouraging carpooling
and ridesharing
• PROGRAMS FOR SENIORS AND PEOPLE
WITH DISABILITIES Enhance transit
options to improve mobility for seniors
and people with disabilities
1
PROJECT LOCATION
1
EXISTING CONFIGURATION
City of
Richmond
City of San Pablo
Existing
POC
Isolated
On-Ramp
Short
Weaving
Section
Short
Weaving
Section
Contra Costa County
Partial
Interchang
e
City of San Pablo
City of Richmond
PROJECT FEATURES
Remove El Portal
Dr WB On-Ramp
Construct
Sound Wall
Construct City
Masonry Wall
Realign El
Portal Dr
New WB
On-Ramp
Freeway
Entrance
Extend
Auxiliary Lane
Widen Ramp
1
Riverside Ave
PROJECT FEATURES
Remove Existing POC
Amador St
Riverside
Elementary
School
Humboldt Ave
New POC Spans
Over Amador St
Safer Access
To/From School
1
I-80 SPDR PROJECT GOALS
• Reduce Traffic Congestion at the I-80/SPDR Interchange
• Improve traffic safety on I-80
• Improve access on and off I-80
• Provide Safe and Efficient Pedestrian travel across I-80
• Provide Better Access to Amador St
• Accommodate Future Traffic Volumes
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IMPORTANT DATES
• CONTRACT AWARDED
November 18, 2015
• ISSUE NOTICE-TO-PROCEED
January 21, 2016
• PROJECT COMPLETION
Early Summer 2017
• WORK AT SCHOOL
• Tree Removal & Utilities at School
February 2016
• Foundations for the New Bridge
April to May 2016
• Abutment/Other School Improvements
June 9 to August 22, 2016
• Construct POC Ramp on Riverside Ave Side
August through October 2016
• Open POC Bridge
September 2016
• Remove Existing POC Bridge
October 2016
PROJECT LOCATION
Parking lot at the corner of
Riverside Ave. & Amador St.
1
FEBRUARY 15-21 2016 (President’s Week
Break)
Amador St
Riverside Ave
Tree removal before bird
nesting season
1
FEBRUARY 15-21 2016 (President’s Week
Break)
Amador St
New Location
Riverside Ave
Current Location
Relocate Backflow
Assemblies
(one for Potable Water, one for
Irrigation Water)
1
FEBRUARY 15-21 2016 (President’s Week
Break)
Amador St
Riverside
Ave
1
FEBRUARY 15-21 2016 (President’s Week
Break)
Amador St
Riverside Ave
Relocate Power
1
FEBRUARY (President’s Week Break to
Summer)
Amador St
Riverside Ave
Remove Existing Fence &
Install Temporary Fence
Install Temporary Fence
Temporary Access Gate
1
Temporary Fence with Privacy Screen
Work Between February and April Inside fenced area
Amador St
Riverside Ave
Install Sewer Line &
Abandon Existing Sewer Line
1
Work Between February and April Inside fenced area
Amador St
Riverside Ave
Relocate Existing Storm Drain
1
Work to be done before APRIL 2-9 2016 (Spring Recess)
Riverside Ave
Remove Existing Crosswalk
& Place New Crosswalk and
Landing
Amador
St
1
APRIL 2-9 2016 (Spring Recess)
Amador St
Work area when school
is out of session
Riverside Ave
Drill And Install 7’ Diameter Concrete Pile
1
Between April and Summer Break
Amador St
Work area when school
is in session
Riverside Ave
Construct 4’ Diameter Column &
Build Falsework Across Amador
St. and EB & WB I-80
1
Summer 2016 (June 8th to August 22nd)
Work area when school
is out of session
Riverside Ave
Complete the Construction of the new
Pedestrian Over Crossing
Amador St
1
PROJECT TO BE COMPLETED DURING
SUMMER BREAK 2016
Amador St
Reconfigured School
Parking Area
Modified Entrance to
Improve Access for
Emergency Vehicles…
Approved by CCCFPD
POC Exit to
Public Sidewalk
North Side of
Building Modified to
Improve Fire Rating
Riverside
Elementary
School
Two On Street Parking
Spaces Designated for
School Staff Only
New Fire Lane
Entrance
PROJECT FEATURES
Fractured Rib
Colored Tiles
Colored Slats
Blue-Colored Fence
Fencing
Ramp Aesthetics
(School Side of I-80)
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PROJECT FEATURES
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PROJECT FEATURES
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QUESTIONS?