ASTECH engineer urges 10% contingency in chip-seal bids
Tom Wood of ASTECH told the Silver Creek Township Board on July 21 that industry changes and oil-price volatility mean the township should add a 10% contingency to chip-seal bids; he also reviewed recommended oil-and-rock application rates and traffic impacts on embedment.
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Tom Wood of ASTECH presented chip-seal bidding methods and pavement recommendations to the Silver Creek Township Board on July 21, urging the township to budget a contingency for oil-price volatility. Board members heard that traffic volume affects aggregate embedment and that historical practices have shifted toward different application rates.
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