FP-96 English Version - Eastern Federal Lands Highway Division

Section 410(3) Adjustable to assure a uniform spread over varying grades andcrowns.(4) Adjustable in width with a flexible strike-off.(5) Augers for uniform flow to edges.(c) Auxiliary equipment. Furnish hand squeegees, shovels, and other equipmentnecessary to perform the work. Provide cleaning equipment including,but not limited to, power brooms, air compressors, water flushing equipment,and hand brooms for surface preparation.410.05 Surface Preparation. Prepare the surface to be sealed according toSubsection 303.07.410.06 Weather Limitations. Apply slurry seal when the air temperature inthe shade and the surface temperature are at least 60 bF and rising and whenthe weather is not foggy, rainy, or overcast.410.07 Slurry Seal Application. Mix the slurry seal using a slurry sealmixer. Fog the surface with water immediately preceding the spreader.Blend the additive with the aggregate using the fines feeder. Pre-wet theaggregate in the pugmill immediately before mixing with the emulsifiedasphalt.Mix the slurry seal a maximum of 4 minutes. Ensure the slurry seal mix is ofthe desired consistency as it leaves the mixer and conforms to the approvedjob-mix formula. Adjustment of the mineral filler and the emulsified asphaltcontent during construction may be approved to adjust for variations in fieldconditions.Carry sufficient slurry seal mix in the spreader to completely cover the surface.Spread the mix with a mechanical-type single squeegee spreader box. In areasnot accessible to the spreader box, use hand squeegees to work the slurry sealmix.Allow treated areas to completely cure before opening to traffic. Cure iscomplete when clear water can be pressed out of the slurry mix with a pieceof paper without discoloring the paper.410.08 Acceptance. Emulsified asphalt will be evaluated under Subsections106.04 and 702.09.297