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- 2004451001 abstract "The need for this project originated with Virginia Department of Transportation's (VDOT) plans to widen and replace a number of bridges along Route I-95. Many of the bridge decks in the new facilities will be in the shade, which will increase the probability that maintenance crews will have to respond to icy conditions. Various anti-icing technologies have shown promise, but most still require personnel to travel to the site of icing problems to treat them. Fixed automatic spray technology (FAST) is an exception. FAST is the application of a liquid chemical freezing-point depressant using an in-place, mechanical, spray system The purpose of this study was to evaluate the automatic anti-icing spray technology for bridge decks and become familiar with the construction, maintenance, and operations issues involved with such systems. The study evaluates a number of design options for delivery of a liquid chemical to the deck to determine the effectiveness of the options. For the purposes of this report, effectiveness is defined in terms of timeliness of operation, appropriateness of response, achievement of desired results, and a benefit-cost ratio greater than 1. The report recommends that VDOT consider FAST an option for initial delivery of deicing chemicals to road and bridge travel lanes and develop criteria for prioritizing FAST installations that consider savings for reduced accidents and congestion. Recommendations are also made for nozzle and surface sensor design and location based on lessons learned from the pilot project.".
- 2004451001 alternative "Bridge deck anti-icing system in Virginia".
- 2004451001 contributor B10037336.
- 2004451001 contributor B10037337.
- 2004451001 created "2004.".
- 2004451001 date "2004".
- 2004451001 date "2004.".
- 2004451001 dateCopyrighted "2004.".
- 2004451001 description "Includes bibliographical references (p. 25-26).".
- 2004451001 description "The need for this project originated with Virginia Department of Transportation's (VDOT) plans to widen and replace a number of bridges along Route I-95. Many of the bridge decks in the new facilities will be in the shade, which will increase the probability that maintenance crews will have to respond to icy conditions. Various anti-icing technologies have shown promise, but most still require personnel to travel to the site of icing problems to treat them. Fixed automatic spray technology (FAST) is an exception. FAST is the application of a liquid chemical freezing-point depressant using an in-place, mechanical, spray system The purpose of this study was to evaluate the automatic anti-icing spray technology for bridge decks and become familiar with the construction, maintenance, and operations issues involved with such systems. The study evaluates a number of design options for delivery of a liquid chemical to the deck to determine the effectiveness of the options. For the purposes of this report, effectiveness is defined in terms of timeliness of operation, appropriateness of response, achievement of desired results, and a benefit-cost ratio greater than 1. The report recommends that VDOT consider FAST an option for initial delivery of deicing chemicals to road and bridge travel lanes and develop criteria for prioritizing FAST installations that consider savings for reduced accidents and congestion. Recommendations are also made for nozzle and surface sensor design and location based on lessons learned from the pilot project.".
- 2004451001 extent "iii, 27 p. :".
- 2004451001 identifier 04-r26.pdf.
- 2004451001 isPartOf "VTRC (Series) ; 04-R26.".
- 2004451001 isPartOf "VTRC ; 04-R26".
- 2004451001 issued "2004".
- 2004451001 issued "2004.".
- 2004451001 language "eng".
- 2004451001 publisher "Charlottesville, Va. : Virginia Transportation Research Council ; [Springfield, Va. : Distributed by NTIS],".
- 2004451001 spatial "Virginia.".
- 2004451001 subject "625.7/63 22".
- 2004451001 subject "Anti-icing. trt".
- 2004451001 subject "Bridges Virginia.".
- 2004451001 subject "Deicing chemicals.".
- 2004451001 subject "Roads Snow and ice control Virginia.".
- 2004451001 subject "TE220.5 .R66 2004".
- 2004451001 title "Bridge deck anti-icing system in Virginia".
- 2004451001 title "Final report : a bridge deck anti-icing system in Virginia : lessons learned from a pilot study / Daniel S. Roosevelt ; [performing organization, Virginia Transportation Research Council ; sponsoring agency, Virginia Department of Transportation and U.S. Federal Highway Administration].".
- 2004451001 type "text".