Seal coat productivity.
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2014-09-01
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Abstract:The Indiana Department of Transportation (INDOT) conducts chip seal operations on state highways to prolong the life of the road. The ; chip seal operation is labor, equipment and material intensive. A typical chip seal operation may involve 35 or more INDOT employees ; including truck drivers, flagmen, and equipment operators (brooms, rollers, aggregate spreader, and distributors). ; This project was launched to better understand and document variations in how each of the six INDOT districts, approach the ; planning and execution of their respective chip seal operations. The goal was to identify areas in the operation where there were ; differences between districts and to determine best practices that could be shared among the districts. ; Two observers joined the chip seal operations in all six districts. The observers spent a total of 10 days with the chip seal crews (2 ; days each with the crews from Fort Wayne, La Porte, Greenfield, and Seymour and 1 day each with the crews from Vincennes and ; Crawfordsville). One additional day was spent in Crawfordsville observing the Fog Seal operation that takes place a few days following ; chip seal. ; During the initial phases of this project, many differences were observed regarding various aspects of the operation including the ; stone and equipment used, truck loading procedures, traffic control, and covering raised pavement markers (RPNs). ; These observations were shared with key stakeholders on November 4, 2013 and with a second group of stakeholders on January ; 22, 2014. With the help of stakeholders, best practices were identified from the observations and a list of 14 recommendations was ; created to be shared across all districts. A series of meetings were then scheduled to share the recommendations with each district and ; to determine which recommendations they were interested in piloting. ; The three ideas found during this project that provide the greatest opportunities for improving the overall operational efficiency of ; the chip seal operation are (1) the importance of closing roads during chip seal whenever possible, (2) the importance of choosing the ; best locations for stone stockpiles and oil tanker deliveries, and (3) the importance of fully loading dump trucks to their maximum safe ; and legal limit.
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Main Document Checksum:urn:sha256:13b0f97d290464f9df6202732b79d29498c4a49f557f3eab4a85cc082fd5b107