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2015-159
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2015-159
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Last modified
3/30/2017 4:36:18 PM
Creation date
9/11/2015 10:55:01 AM
Metadata
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Template:
Official Documents
Official Document Type
Contract
Approved Date
08/18/2015
Control Number
2015-159
Agenda Item Number
8.X.
Entity Name
Kerns Construction & Property Management Corp.
Subject
Sidewalk Improvements
Contract Documents & specifications
Area
87th Street and 91st Avenue
Project Number
1205
Bid Number
2015036
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ADDENDUM #1 <br />minimum tensile strength (unconditioned) of 100 psi. If necessary, add a liquid anti -stripping agent <br />from the FDOT's Qualified Products List, or hydrated lime in order to meet these criteria. <br />In lieu of moisture susceptibility testing, add a liquid anti -stripping agent <br />from the FDOT's Qualified Products List. Add 0.5% liquid anti -stripping agent by weight of <br />binder. <br />334-3.2.6 Additional Information: In addition to the requirements listed above, <br />provide the following information on each mix design: <br />1. The design traffic level and the design number of gyrations (Ndesign). <br />2. The source and description of the materials to be used. <br />3. The FDOT source number and the FDOT product code of the aggregate <br />components furnished from an FDOT approved source (if required). <br />4. The gradation and proportions of the raw materials as intended to be <br />combined in the paving mixture. The gradation of the component materials shall be representative <br />of the material at the time of use. Compensate for any change in aggregate gradation caused by <br />handling and processing as necessary. <br />5. A single percentage of the combined mineral aggregate passing each <br />specified sieve. Degradation of the aggregate due to processing (particularly material passing the <br />No. 200 sieve) should be accounted for and identified. <br />6. The bulk specific gravity (Gsb) value for each individual aggregate and <br />RAP component. <br />7. A single percentage of asphalt binder by weight of total mix intended to be <br />incorporated in the completed mixture, shown to the nearest 0.1 percent. <br />8. A target temperature at which the mixture is to be discharged from the <br />plant and a target roadway temperature. Do not exceed a target temperature of 330°F for modified <br />asphalts and 315°F for unmodified asphalts. <br />9. Provide the physical properties achieved at four different asphalt binder <br />contents. One shall be at the optimum asphalt content, and must conform to all specified physical <br />requirements. <br />10. The name of the Mix Designer. <br />11. The ignition oven calibration factor. <br />334-4 Contractor Quality Control. <br />Assume full responsibility for controlling all operations and processes such that the <br />requirements of these Specifications are met at all times. Perform any tests necessary at the plant <br />and roadway for quality control purposes. <br />334-5 General Construction Requirements. <br />334-5.1 Weather Limitations: Do not transport asphalt mix from the plant to the roadway <br />unless all weather conditions are suitable for the laying operations. <br />334-5.2 Limitations of Laying Operations: <br />334-5.2.1 General: Spread the mixture only when the surface upon which it is to be <br />placed has been previously prepared, is intact, firm, and properly cured, and is dry. <br />334-5.2.2 Air Temperature: Spread the mixture only when the air temperature in <br />the shade and away from artificial heat is at least 40°F for layers greater than 1 inch (100 lb/yd2) in <br />thickness and at least 45°F for layers 1 inch (100 lb/yd2) or less in thickness (this includes leveling <br />courses). The minimum temperature requirement for leveling courses with a spread rate of 50 lb/yd2 <br />or less is 50°F. <br />01025-38 Technical Specifications <br />F \Public Works\ENGINEERING DIVISION PROJECTS\1205-Vero Lake Estates Swk-87th St 101st Ave to CR510 <br />(LAP)\AdmimADDENDUMS\ADDENDUM 1\Technical Specifications Addendum #1 doc <br />
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