2022-082 - Laserfiche WebLink

Home Browse Search

Division 2 - Technical Provisions, IRC -1639 material and thickness throughout. This will include, but is not limited to, all existing asphalt pavement adjacent to all concrete curbing, storm sewer inlets, manholes, sanitary sewer manholes, and all utility valve boxes. This item will include, but not be limited to moving the base material to the boxed -out sections for the proposed paved shoulder, imported select material required to meet the proposed sections on the plans, grading, compaction, prime and tack coat, sawcut and removal of existing materials for driveways and side streets. CONTRACTOR QUALIFICATIONS - Bidders shall have a minimum of three years of experience in the construction of reclaimed asphalt base course. Bidders shall provide a list of five successfully completed full depth reclamation projects within the State of Florida along with contact information for the Owners of those projects, and the completion date for each project. Bidders shall also provide a list of the major equipment that will be used on this project. SUBMITTALS — Submit Mix Designs for Reclaimed Asphalt Base Course and detailed Traffic Control Plan to the County for approval prior to the start of construction. Submittals must be transmitted to the County a minimum of three (3) working days prior to the start of construction. BASE COURSE DESIGN - The Contractor shall review the core data provided for the existing roadway and shall perform testing and/or coring prior to submitting a Bid to verify that the Cold Recycled Bituminous Base Course Mix Design or the Reclaimed Asphalt Base Course Mix Design, as applicable, has a minimum Structural Number (SN) of 1.8 for the total thickness of the finished/completed base course. The Contractor shall be responsible for preparing Mix Designs for the Cold Recycled Bituminous Base Course Mix Design or the Reclaimed Asphalt Base Course Mix Design, as applicable, prior to the start of construction. The Contractor will also be required to test the completed base course and provide test results that verify that the completed base course meets the specified Structural Number. In the event that the completed reclaimed asphalt base does not meet the minimum Structural Number specified, the County may require corrective work on the base course or the placement of additional asphalt surface course. All Mix Design testing/preparation and testing for verification of the Structural Number shall be performed by an independent testing laboratory and all costs associated with the Mix Design preparation and SN verification testing shall be the responsibility of the Contractor. The Testing Laboratory performing Cold Recycled Bituminous Base Course Mix Designs or the Reclaimed Asphalt Base Course Mix Designs and SN verification testing shall be an accredited laboratory that is regularly engaged in asphalt testing including the preparation of Mix Designs for Cold Recycled Bituminous Base Course or Reclaimed Asphalt Base Course, and testing to establish and verify Structural Number for asphalt base course layers. The Contractor shall provide information for proposed testing laboratories and mix designs shall be subject to the approval of the County. 1. Reclaiming The work item for Reclaimed Asphalt Base Course shall consist of pulverizing an existing bituminous pavement and its base course and mixing them together, adding water and new base material, injecting the specified stabilizing agent directly into the mixing chamber of Division 2 — Technical Provisions - 01025-18 F:\Public Works\ENGINEERING DIVISION PROJECTS\1639 69th Street 66th Avenue to LIS -1 Resurfacing (SCOP)\1-Admin\Bids\Bid Documents - Advertisement\DIV 2 TECHNICAL PROVISIONS - IRC-1639.docx