Bituminous Courses
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Pre-Placement Check
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all proper agencies notified of work being performed and changes to traffic
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check MPT
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appropriate amount of Flagger’s are on site
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it’s 35 degrees or above
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make sure surface is dry
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tack has broke and isn’t still wet
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all rollers are steel, no rubber tire
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QC tech is on site with gage
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JMF is correct
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MTV is being utilized
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everyone’s wearing appropriate PPE
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weather isn’t making dangerous work conditions
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QC Technician Checklist
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appropriate certifications up to date
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nuclear gage is certified
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nuclear gage is calibrated
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technician has appropriate equipment to take both core samples and loose box samples
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rolling pattern performed at beginning of operation
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technician is taking temperatures and monitoring quality of material brought on site
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cores cut within 24 hours of placement and in presence of Inspector
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samples properly labeled (ECMS #, lot and sublot, location, date, mixture)
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Trucks & Material Checklist
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material is from an approved supplier
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trucks brining in material are clean and properly covered
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material is within temperature specifications (265-320)
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check temp of first 3 trucks on site and then every few trucks after
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delivery ticket obtained for every load
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all material tickets and temperatures documented during operation
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Paving Operation Checklist
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base course lifts of 8” or more are placed in two equal lifts 4”-8” each
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bituminous paver meets all specs determined by Section 409.3(e)
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vibratory and oscillating rollers have separate controls for energy and propulsion
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paver distributes a uniform mixture for full width
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paver places material at required depth
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screedmen periodically Check depth and check yourself if you’re unsure depth requirements are being met
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if material doesn’t meet all specs upon arrival, it will be rejected
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check for segregation and take appropriate action if segregation is severe
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optimum roller pattern is establish and followed
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rollers didn’t cause any marking or cutting
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technician actively monitoring rollers and material and adjusts pattern when necessary for compaction
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After Paving Operation Checklist
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all samples are obtained in the presence of Inspector
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material protected from traffic until cooled to 140 degrees or less
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material protected until stability and adhesion are attained
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no artificial cooling allowed