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2017-056B
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2017-056B
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Last modified
5/26/2017 10:10:21 AM
Creation date
5/16/2017 12:18:10 PM
Metadata
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Template:
Official Documents
Official Document Type
Contract
Approved Date
04/18/2017
Control Number
2017-056B
Agenda Item Number
12.F.1
Entity Name
Timothy Rose Construction
Subject
CR 512 Westbound Resurfacing
CR 512 Eastbound Resurfacing
Area
Roseland Road to US1 Easy St. to US1
Project Number
1139
Bid Number
2017034
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maximum size of 3 inches. In this process the pulverized material shall be combined <br />uniformly with the base and subgrade to a depth specified in the Contractor's Mix <br />Design. Following the reclaimer, a roller shall be applied to compact the blended <br />material sufficiently to support traffic temporarily. The County requires removal of <br />approximately 2-1/2 in of pulverized material prior to addition of the stabilizing agent. <br />When the pulverizing and mixing step is complete, the material shall be graded, <br />watered, remixed, shaped, and compacted as necessary to establish proper grade and <br />uniform thickness and to support traffic temporarily. Water shall be applied if <br />necessary to obtain uniform moisture content as required by the Contractor's Mix <br />Design. The Contractor shall apply additional water at frequent intervals as needed to <br />suppress dust, preserve the surface, and maintain the specified moisture content. The <br />stabilizing agent shall then be applied and mixed to the depth specified by the County, <br />and grading and compaction of the combined base material shall proceed immediately <br />behind the mixing of the stabilizing agent. Before final grading and the addition of the <br />emulsion, the Contractor shall adjust the cross -slope, super elevation, and profile <br />grade by adding granular base material as required to provide the required grade and <br />cross slope for the road, or removing material. <br />c. Compaction: The Contractor may employ other compaction equipment and methods <br />in addition to the vibratory roller to accomplish the final grading and to compact and <br />finish the surface. Transverse joints shall be compacted by cross rolling parallel to the <br />joint. After the material has been compacted to load-bearing strength, the Contractor <br />shall proof -roll the prepared base in the presence of the Inspector. The County may, as <br />it deems necessary, direct the Contractor to correct areas of weakness and excess <br />moisture in the base by scarifying, aerating, and reworking shore sessions to the full <br />depth of the layer. If, after an area has been reworked and recompacted, it remains <br />soft or does not attain the required density, the County may direct the Contractor to <br />remove the material and replace it with Granular Base Material meeting the <br />requirements of these specifications. <br />5. Basis of Payment <br />a. Mobilization for reclaiming: No payment for mobilization shall be due for returning <br />the equipment to the site when it has been removed and returned for the Contractor's <br />own purposes or because of breakdowns and repairs, weather delays, labor problems, <br />accidents, or the like, or when work has been resumed after being stopped by the <br />County because of unsatisfactory materials, equipment, or performance. Payment for <br />Mobilization shall be Lump Sum for the project. <br />b. Reclaimed Asphalt Base, in place and accepted, shall be paid for at the contract unit <br />price per square meter or square yard, as indicated in the Bid Sheet. The area of work <br />for the purpose of payment shall be the overall length of each reclaimed lane times the <br />specified total base width for the lane. The total base width shall include the widening <br />width, if any, in which the reclaimer is to be used to blend new base material with the <br />pulverized layers. Payment under this item shall be full compensation for all work <br />included in or incidental to the reclaiming operation, for the grading, shaping, and <br />compacting of the Reclaimed Asphalt Base, for the mix design study, for furnishing, <br />delivering, and applying water, for applying and mixing and furnishing asphalt emulsion <br />or other stabilizing agent as specified, and for all other work and material incidental to <br />the reclaiming operation. <br />01025-27 Technical Specifications <br />F\Public Works\ENGINEERING DIVISION PROJECTS\1139-CR 512 Wbnd Resurfacing -Roseland Rd to US 1-SCOP\Admin\bid <br />documentsWlaster Contract Documents\Technical Specifications REVISED.doc <br />
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