Specifications include, but are not limited to: Fabrication and Installation of temporary shoring at Pier 5W at two girders; Removal and replacement of existing rocker bearings with new disc bearings at the two girders at Pier 5W; Work to be performed under daily closures of the eastbound and/or westbound travel lanes provided by the Authority; SHORING ASSEMBLY: The work of this section covers designing, furnishing, and installing two (2) temporary structural steel shoring assemblies necessary for 1.) the removal of the two (2) existing steel girder expansion rocker bearing assemblies at Pier 5W, and 2.) the subsequent replacement with two (2) new disc bearing assemblies, as shown on the Contract Drawings and as specified herein. The temporary shoring installations require expedited procurement, fabrication, and installation to also provide for the potential over-extension of the existing rocker bearings and engagement of the system to maintain support of the girders under failure of the bearings until the bearing replacement is completed.; The work of procurement, furnishing, and installing the proposed disc bearing assemblies – including the removal of the existing expansion rocker bearings and the temporary shoring assemblies – is paid separately and covered under the special provision SECTION 947 - BEARING REMOVAL AND REPLACEMENT. Additionally, the work associated herein with the temporary shoring assemblies – including required submittals – shall be closely coordinated and integrated with the work covered under the special provision SECTION 947 - BEARING REMOVAL AND REPLACEMENT.; BEARING REMOVAL AND REPLACEMENT: The work of this section covers designing and furnishing all materials, labor, tools, equipment, and incidentals, except as noted, necessary for the removal of the two (2) existing steel girder expansion rocker bearing assemblies at Pier 5W (existing sole plates, pintels and rockers only – existing masonry plates to remain), and subsequent replacement with two (2) new disc bearing assemblies (beveled sole plates, disc bearings, and three masonry spacer plates and any incidentals), as shown on the Contract Drawings and as specified herein.; Toxic Caveat: The Contractor is hereby notified that existing paint systems on the Newport/Pell Bridge may contain toxic substances such as lead or chromium, and that these substances are considered to be hazardous to personnel, the environment, and the public approximate to the project.; Personnel and Environmental Protection: The provision for protection of personnel, the environment, and the public covers the requirements for removal and containment of paint and/or corrosion products from any steel bridge component, or otherwise specified appurtenances, during cleaning and painting operations.
