HomeMy WebLinkAboutPW Caltrans Presentation Harbor Bridge Project 03-15-21 Update PPT1 SAN RAFAEL HARBOR BRIDGE REPLACEMENT PROJECT (US 101 OFF RAMP TO 2ND STREET, SAN RAFAEL) Presentation Overview Project Need &Purpose Project Improvements & Benefits Project Cost & Schedule Stage Construction and Traffic Handling Construction Noise Ramp Closures Detours Public Outreach Project Location 2 Project Need & Purpose 3 Project Need and Purpose (Bridge History & Condition) 4 Project Improvements & Benefits Replace Bridge (new safe structure)Widen & Realign Ramp (less queuing) Change Lane Configuration (safer intersection, better signalization)Reconfigure Cross walk (safer intersection, better signalizationRemove Sidewalk/Access (safer access) 5 Project Cost & Schedule Project Cost $15M Contract Awarded May 2020 Construction Started February 2021 Construction Completion Fall 2021(T) San Rafael polled the residents and they favored the weekend closure Stage Construction and Traffic Handling Stage 1 6 Temp Pvmt Temp Bridge Temp Pvmt 7 Work Zone Stage Construction and Traffic Handling Stage 2 Construction and Traffic Handling Stage 3A 8 Work Zone 9 Pedestrian Detour 10 Construction Noise Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Night - Pile Driving 64 84 64 69 64 86 66 70 70 90 66 70 60 79 61 65 Day - Sheet Pile 72 94 65 69 69 92 67 70 74 94 66 70 69 88 62 65 Night - Pile Driving 64 84 63 69 64 86 63 69 70 90 64 70 60 79 60 65 Day - Demo 72 94 65 69 69 92 67 70 74 94 66 70 69 88 62 65 Construction Activity Site #3 Ambient Construction Site #4 Ambient ConstructionAmbientConstruction Site #1 Site #2 Ambient Construction 11 Construction Noise Mitigation Shroud on Impact Hammer 20-30 dB noise reduction) 12 Construction Noise Mitigation Noise monitoring 13 RAMP CLOSED FOLLOW DETOUR AHEAD Ramp Closure -Detour No. 1 Night Time Closure (11:00 PM to 6:00 AM) PCMS Deployed Overhead CMS Activated Traffic Monitoring 14 Ramp Closure -Detour No. 2 Night Time Closure (11:00 PM to 6:00 AM) RAMP TO CENTRAL SAN RAFAEL CLOSED FOLLOW DETOURS AHEAD 15 Public Outreach Press Releases Traffic Advisories Project Website https://dot.ca.gov/caltrans-near-me/district-4/d4- projects/d4-san-rafael-101-bridge-offramp Social Media (Twitter & Nextdoor) Four Agency Coordination Meetings Two Briefing for Elected Officials Public Information Officer RocQuel Johnson (510) 501-0446 16 Agency Coordination City of San Rafael Public Works California Highway Patrol (CHP) San Rafael Police Department Fire Department Ambulance, Emergency Services, Hospitals Golden Gate Bridge Transportation Authority of Marin (TAM) Sonoma County Transportation Agency Transit Agencies 17 QUESTIONS?