Specifications include, but are not limited to: Providing Rail Tie Replacements, Drainage, and Subgrade Improvement services for METRO. The Contractor shall furnish all supervision, labor, materials, tools, supplies, equipment, transportation, bonds, insurance, including taxes, overhead & profit to perform all operations necessary and required for the replacement of ties including but not limited to: remove timber and composite ties and install concrete ties, installation of gravel for a road, removal and installation of asphalt walkways, installation of asphalt pads, and remove and reinstall a sidewalk and associated rail crossing in accordance with the specifications, drawings and the terms & conditions of the proposed Contract for the firm fixed unit prices shown in the Bid Tab.