Implementation Report #1 | 2013-04-24 False Creek Bridges - PowerPoint PPT Presentation

Implementation Report #1 | 2013-04-24 False Creek Bridges

ECONOMY PEOPLE ENVIRONMENT

Council Requested Report Back Topics Intro Progress on Planning for • Broadway Subway False Creek Bridges • Local Transit Improvements • Walking and Cycling Safety • Public Spaces • Closed Crosswalks • Open Data • *as of October 31, 2012

Transportation 2040 Implementation Intro Rapid Transit on Broadway False Creek Bridges Infrastructure Rehab and People Movement Local Transit Improvements Walking and Cycling Safety Public Plazas Active Transportation Corridors Open Annual Traffic Transportation Panel Enablers/ Monitoring Data Counts Travel Survey

False Creek Bridges

Connecting Economic Centres Intro Bridges Connect BC’s Two Largest Economic Centres & Highest Density Residential Areas Downtown Central Broadway

Moving Targets to Move More People People Metro Core Metro Core divided by divided by False Creek

Population and Jobs in Transportation Role the Walking Catchment ~5,000 pedestrians per day across all three bridges 3km Walking Radius

Population and Jobs in Transportation Role the Cycling Catchment ~5,000 cyclists per day ~5,000 cyclists per day ~5,000 cyclists per day across all three bridges across all three bridges across all three bridges 6km Cycling Radius

Overview of Presentation Intro Infrastructure Maintenance Past work • Current Priorities • Future • Transportation 2040 Walking/ Cycling Safety, Issues and Concepts •

Infrastructure Maintenance Past Work on False Creek Bridges

Past Key Components of a Bridge Maintenance, Rehabilitation Structure: Components holding up the bridge deck • Key Structural Elements Bearings: Connects the structure to pier/foundation • Joints: Allows for movement in the deck • Deck: The travel surface of the bridge • Material: Concrete, steel, etc • Appearance Cosmetic Paint: Covers and protects the materials • Heritage Character •

Past False Creek Bridges Condition Maintenance, Rehabilitation The bridges are structurally robust and reliable, • however they are showing signs of aging Burrard Bridge ~80 years (concrete railings and soffits) • Granville Bridge ~60 years (localized concrete surface • deterioration) Cambie Bridge ~30 years • Regular Inspections are undertaken • Significant work completed on Burrard & Granville • (~$26M from 1992-2012) Safety • Maintenance/ structural rehab • Seismic • Functional retrofits •

Past Burrard Bridge (1992-2012) Maintenance, Rehabilitation Annual scaling program to remove loose concrete • Safety that is spalling from railings and underside Seismic Upgrades Concrete and steel spans • Removal of PCB contaminated grease Regulatory • Compliance Compliant to todays regulation requirements • Temporary bearing support pending replacement • Structural Rehab Bearing replacement design initiated • Expansion joint replacement and complete • rehabilitation design package initiated Preventative Maintenance Deck flushing and drainage system repairs • Painting and localized deck/ sidewalk patching • Functional retrofits Reallocation of one lane for bike lane •

Past Granville Bridge (1992-2012) Maintenance, Rehabilitation Centre crash barrier (Also on Cambie) • Crash barrier on 4 th Ave off-ramp Safety • Crash attenuators on north and south ramps • Seismic Upgrades Main concrete approaches and steel spans • Regulatory PCB lubricating oil drained and destroyed • Compliance Compliant to todays regulation requirements • Structural Rehab Concrete girder strengthening • Expansion joint repairs and deck patching • Preventative Deck flushing and drainage system repairs • Maintenance Painting and localized deck/ sidewalk patching •

Infrastructure Maintenance Condition of the City’s Structures

Current Overview of Structures Condition Convention area streets Georgia/ Dunsmuir Viaducts Rail Corridor False Creek Bridge Rail/ Convention Area Streets Rail/ Convention Area Streets Pedestrian Over/Underpass Pedestrian Over/Underpass Other Structure Other Structure *waterfront structures not illustrated

Current Condition Assessment Condition • Poor: Should be addressed in the short term Note: does not necessarily apply to seismic • Fair: Should develop a strategy of how to address and undertake in the next couple of capital plans • Good/Excellent: No planned work required

Current Overview of Bridge Conditions Condition Minor Structures Structure Bearings Material Seismic Joints Other Paint Deck Slope, girders, Rail Bridges Fair Good Fair Good Poor* Good Good Good joints Convention Area Streets Good Good Fair Good N/A Good N/A Good Port Bridge Pedestrian Over/Underpass Good N/A Fair Good Fair* Good Good Removal Waterfront Structures Poor Waterfront wharf road , Expo Deck, Cambie Yard Sheet Pile Other Misc Structures Poor Cordova cavity

Current False Creek Bridge Conditions Condition Major Structures Structure Bearings Material Seismic Joints Other Deck Paint Soffits, Railings, Burrard Good Poor Poor Good Poor* Fenders, Poor Good Good Lighting Granville Good Poor Poor Good N/A Poor Good Fair Cambie Good Good Fair Good N/A Good N/A Poor Some Joints, Georgia / Dunsmuir Fair N/A Poor Good Poor* Fair N/A Fair Corbels Grandview Viaduct Good Excellent Excellent Good N/A Fair Good Fair

Infrastructure Maintenance Future Areas of Focus

Future Maintenance & Rehabilitation Priorities Maintenance, Rehabilitation 2012-14 Capital Plan ($17M) Burrard Bridge Bearing replacement • Regulatory Rehab Localised strengthening of structure strengthening of structure strengthening of structure strengthening of structure • Rehab Concrete repair in high pedestrian zones Concrete repair in high pedestrian zones • Safety Rehab All expansion joints • Rehab Maintenance Granville Bridge Bearing replacement Regulatory Rehab • Increased seismic resilience seismic resilience • 12 of 54 expansion joints Rehab •

Future Maintenance & Rehabilitation Priorities Maintenance, Rehabilitation 2015-17 Capital Plan: Burrard Bridge Priority items Replace railings and concrete on underside of structure • as identified in consultant report rated as poor and requiring attention Rehab Safety Opportunity to coordinate Replace lighting fixtures (connected to railings) Rehab • Install permanent cycling facilities and crash barriers Install permanent cycling facilities and crash barriers Install permanent cycling facilities and crash barriers Safety Install permanent cycling facilities and crash barriers • Other items Replace wooden marine fenders • Rehab Safety

Future Maintenance & Rehabilitation Priorities Maintenance, Rehabilitation Other Bridge Work Further expansion joint replacement and concrete repair on Further expansion joint replacement and concrete repair on Further expansion joint replacement and concrete repair on Further expansion joint replacement and concrete repair on • Granville Bridge Maintenance Rehab Seismic upgrades to Granville and Cambie Bridges •

Transportation 2040 Walking/ Cycling Safety, Issues and Concepts

Walking/ Cycling Burrard Bridge Issues/Concepts Permanent west side cycle facility Pedestrians back on east side Simplify Safety intersection Improvements Most popular walking/ cycling bridge • Tremendous growth in walking/ cycling in last 3 years • High collision locations at both ends • Long & numerous crossings for vulnerable road users • East sidewalk currently closed to pedestrians • Northbound bike lane has capacity constraints •

Walking/ Cycling Granville Bridge Issues/Concepts • High potential for increased walking/cycling • No separation of travel modes • Sidewalks are narrow without buffer from traffic • Crossings of ramps are uncomfortable and not accessible • Lack of cycling facilities leads to sidewalk riding

Walking/ Cycling Granville Bridge Issues/Concepts

Walking/ Cycling Cambie Bridge Issues/Concepts Projected to have significant walking/cycling growth in the future • A bicycle connection is missing from east pathway to Beatty • The east side shared path has an existing high number of conflicts • and will reach capacity by 2020 No separated cycling facility on west side •

Summary of Issues

Synergy between Maintenance and Summary Transportation Improvements Significant amount of scheduled and upcoming • maintenance work will create transportation disruption in the next 5 years Railings replacement on Burrard will require multiple • lanes to be closed for extended duration Maintenance work presents an opportunity to • change infrastructure to address mobility issues Work needs to be coordinated across three bridges • to minimise disruption