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THE FAIRVIEW BRIDGE PROJECT ELEMENTS: <br />A Anew bridge will be expanded 52 to 100 ft wide and include a complete bridge <br />deck with barrier rails <br />B Four new pier walls <br />C 9th Street to 16th Street improvements include three lanes on each side <br />D New bridge lighting <br />E Utility relocation into or outside the new bridge <br />F Dedicated bike lanes <br />G Sidewalks and ADA improvements <br />ISSUES AND MITIGATIONS: <br />Elements and Issues Map <br />1 n <br />This project comprises of locations requiring excavation and shoring. <br />It is important to meet with the Contractor prior to submitting excavation and shoring plans to discuss proper <br />Soil stability and safety are crucial throughout excavation and shoring <br />soil parameters, slope inclinations and stability, surcharges due to construction activity and stored materials, <br />operations. Review and approval of excavation and shoring plans should <br />compliance with Cal -OSHA and Caltrans Trenching and Shoring manual requirements and practices, and <br />Excavation and shoring <br />be given particular attention, especially on non-standard situations. <br />most importantly, public and personnel safety. SYRUSA will review excavation and shoring plans diligently and <br />Dewatering according to the approved SWPPP. <br />ensure safety and technical requirements are met. <br />2 <br />Piles will be driven at abutments and piers. Safe handling and driving of <br />Discuss in advance with the Contractor the required pile driving work plan making sure:1) all equipment is <br />piles are important along with noise parameters and vibrations since this <br />listed, 2) pile delivery and handling is done safely, 3) pile layout is properly done, 4) survey control points are <br />Pile Driving <br />operation will take place close to traffic and businesses. <br />established, and 4) vibration and noise levels stay within the allowable. <br />3 <br />Steel piles will be driven in a riverbed which is a wet/moist environment <br />Consider using a different type of pile to better withstand the environment and assure structural performance <br />and structural integrity due to material corrosion is a concern. Noise and <br />over time, some examples of alternatives include concrete piles or cast -in -steel -shell piles. Mitigate sound <br />Use of HP steel Piles <br />vibration during pile driving. <br />impact with sound curtains, driving times, informing residence in advance. <br />The existing bridge and channel will be removed in two stages. A complete <br />The Contractor is required to submit a demolition plan for this operation. SYRUSA will perform a diligent review <br />4 <br />bridge demolition is always a critical operation because of safety and <br />of this plan and coordinate with the Contractor to identify all potential issues and contemplate contingency <br />structural stability. <br />plans. We will ensure that the demolition plan designer is on site during operation to verify proper and safe <br />Existing bridge and channel removal. <br />removal of structure as required as well as verify that the structure is stable at every stage of removal to ensure <br />all personnel and public safety. <br />5 <br />Fairview Street Bridge will be using 60 PC/PS girders, 25 girders on stage <br />SYRUSA will perform timely review of shop plans and coordinate timely inspection during fabrication to ensure <br />1 and 35 girders on stage 2. Fabrication, inspection, and erection are <br />that girder delivery is per the project schedule. We will diligently review the girder erection plan to ensure all <br />PC/PS Girder Procurement and <br />crucial to the project schedule and safety. <br />personnel and public safety. <br />Erection <br />6 Communication and water utilities will be relocated. Effective relocation is SYRUSA will coordinate with utility companies, agencies, and the Contractor to ensure proper planning and an <br />important to maintain services running without major interruptions. effective process for relocations to take place. <br />Utility Relocation <br />7 Working inside the riverbed can be environmentally challenging, strict We will coordinate with the Contractor and agencies to ensure complete understanding of any environmental <br />restrictions for the Contractor can be imposed possibly restricting restrictions and all measures to be taken during construction operations. SYRUSA will perform regular <br />Environmental Concerns I operations. environmental assessments and conform to all required regulations. <br />8 The project requires stage construction, it is important to maintain SYRUSAwill ensure that traffic handling is implemented as shown in the contract plans, verify all signage <br />effective traffic patterns and ensure public, pedestrian and bike traffic, and and temporary barriers are properly installed, ensure pedestrian and bike traffic are guided safely through the <br />Stage construction, traffic handling, personnel safety working adjacent to traffic. project site, and perform frequent inspections to maintain public and personnel safety. <br />and pedest"^'WW tp^"-^ <br />City SYRUSA�i'� ounce— PAGE i 11A <br />