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A skirt can be attached to the asphalt distributor in the case winds are above 10 mph to prevent the emulsified asphalt from blowing onto passing vehicles. ... The contractor shall provide proof of calibration of the asphalt distributor and the aggregate spreader if a blotter aggregate is applied to the fog seal. Calibration shall be conducted ...
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asphalt distributor to be calibrated is driven over the calibration pads while spraying asphalt. The calibration pads are removed from the roadway and reweighed. The weight of asphalt applied to the pads is determined by subtraction and the rate of application is calculated. 2.2 Test Method B: 2.2.1 Containers are placed under each nozzle of a ...
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For satisfactory application of asphalt binder uniform pr essure must be maintained in the spray bar. The optimum pressure discharges asphalt binder at a constant rate through each spray nozzle, (e.g., 15.1 L/min (4 gal/min)). Only at this constant rate of discharge does the asphalt emul sion fan out uniformly from each spray nozzle. There-
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• Emulsified Asphalt: That meet the requirements of AASHTO M 140, M 208, & M 316.Equipment: • Aggregate: Gradations described in AASHTO MP 27 Tables 1 and 2. Construction . Asphalt Distributor, Aggregate Spreader Pneumatic-Tire Rollers, Broom. Equipment Calibration . Tolerance and methods of calibrating distributors and …
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Contact Us. Ensure the most crucial component of your sealcoating and chip seal operation is the best available in the asphalt industry! To learn more about BearCat Manufacturing's asphalt distributors or our other road maintenance equipment, contact us today at 928-684-7851. Also, we are located at 3650 N Sabin Brown Rd, Wickenburg, AZ 85390.
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The aggregate and asphalt calibration data sheets (MAT 6-38 and 39) must be completed by the quality control technologist. When requested, copies of the ... Asphalt is diverted or pumped into a tank or distributor truck. Readings are taken on the flow meter or revolution counter and totalizer counter.
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Calibration is very important to assure the quantity of emulsion and blotter sand applied to the pavement is correct. Although many modern asphalt distributors and aggregate spreaders are computer controlled, calibration is required to tell the computer how much emulsion is being applied. This quantity must be checked prior to spraying emulsion and
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The Asphalt Distributor Tank Calibration (asphalt) is an example of the format for minimum documentation when preparing the calibration report. ♦ The calibration report must be signed by, and display the seal of, the Registered Professional Engineer, who is required to witness the calibration.
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Plus+1 CAN Bus control and onboard diagnostic system. 7" high-resolution, color graphic display. Controller for automatic application rate control. Automatic valves for cab control of distributor functions. Exclusive enviro-flush system with hydraulic pump speed control. Settings for flow, speed calibration, spraybar width and spray bar on ...
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$3· Calculations Determine the Volume of Asphalt Applied in litres (line "E") as follows: Asphalt Applied (R) = Initial Volume of Asphalt - Final Volume of Asphalt 2. Calculate the Distributor Speed in metres per minute (line "I") using the following formula: Distributor …
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22 Grade of Asphalt - Type liquid being used (i.e., RS, AEP, AC, etc.) 23 FDOT Calibration Tank Number - Obtain from approved F.D.O.T calibration chart / obtain from frame or tank of distributer. 24 Beginning Measurement - Distributor tank Measurement to the nearest 1/16 inch or nearest millimeter at
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Our main areas of interest include: paving machines for micro-surfacing, truck and trailer slurry sealers, pothole patching equipment, emulsion production equipment, laboratory testing equipment and sustainable pavement maintenance products. In these areas, we are committed to delivering better solutions and driving technological innovation.
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1.1 This three-part procedure is a method for calibrating asphalt distributor tanks, verifying asphalt distributor tank calibrations, and ensuring uniform distribution across a spray bar. ... Note 2—Omit bags if using AC asphalt for calibration. 9.2.4 Obtain a tare weight for each bucket, bag, and rubber band.
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