Web10.3.2.4 Chip seal. Chip seal is an application of asphalt followed with an aggregate cover. This type of surface treatment can consist of single or multiple layers in thicknesses from 9.5 to 37 mm (3/8 to 1 1/2 in.). Two layers are referred to as a double and three as a triple chip seal coat. In multiple chip seals, smaller aggregate sizes are ... Webother with decision making authority) possessing a valid chip seal certification shall always be on the job while the chip seal is being constructed. The chip seal certification is administered by the National Center for Pavement Preservation (NCPP) on behalf of AASHTO TSP∙2. 5. QC Testing Laboratories and Equipment.
Chip seal WSDOT - Washington State Department of Transportation
Webdistrict wide chip seal programs, updating the current chip seal manual, developing standards for pavement preparation ahead of sealing, allowing more flexibility for … WebConstruct chip seal per the following conditions: 1. Ambient or pavement surface temperatures shall be 50ºFand rising. 2. Suspend chip sealing if the pavement surface … duragesic patch pi
DOUBLE CHIP SEAL SPECIFICATION DESCRIPTION double …
WebJan 1, 2013 · Raveling is not restricted to the early life of the chip seal, but continue throughout the service life. The current state of knowledge and testing of the mechanisms governing raveling in chip seals does not sufficiently account for the effects of in-service emulsion–aggregate bond maturation and oxidative aging on chip loss over the expected ... WebThe Inspector must make a general examination of the distributor to ensure compliance with the requirements of this specification and 407.03. The equipment used for the application of a tack coat is the same as used for the application of the polymer binder for chip seal but must include a computerized rate control that automatically adjusts ... Webof a pavement for a chip seal project is based on the structural soundness of a pavement and the types of distress that are present. The ability of a treatment to address the … duragesic controlled substance