17 resultados para 531.52

em Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States


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Newsletter produced by Department of Education, Bureau of Food and Nutrition

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Newsleter produced by Department of Education, Bureau of Food and Nutrition

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Newsleter produced by Department of Education, Bureau of Food and Nutrition

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Newsletter produced by Department of Education, Bureau of Food and Nutrition

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Newsletter produced by Department of Education, Bureau of Food and Nutrition

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Newsletter produced by Department of Education, Bureau of Food and Nutrition

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Newsletter produced by Department of Education, Bureau of Food and Nutrition

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Newsletter produced by Department of Education, Bureau of Food and Nutrition

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Newsletter produced by Department of Education, Bureau of Food and Nutrition

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Newsletter produced by Department of Education, Bureau of Food and Nutrition

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Bureau of Nutrition and Health Promotion part of the Iowa Department of Public Health produces of weekly newsletter about the Iowa WIC Program for the State of Iowa citizen.

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This report is a supplement to one issued in late summer 1986 which covered construction on U.S. 71, in Buena Vista County Iowa. The work involved rehabilitation of an older 20 feet wide pavement by placing a four inch thick bonded concrete overlay monolithically with two feet of widening on each side. The work was performed on one lane at a time while construction traffic and limited public traffic used the adjacent traffic lane. When work on the first lane was complete traffic was moved onto it and rehabilitation was completed on the second lane. This report covers the condition of the rehabilitated roadway in May 1987 after the first winter. The condition is described by visual observations, core conditions, and various test results including core compressive strength, direct shear tests on cores for bond strength, profilometer results and delamtect test results.

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Pavements have been overlaid with thin bonded portland cement concrete (PCC) for several years. These projects have had traffic detoured for a period of 5-10 days. These detours are unacceptable to the traveling public and result in severe criticism. The use of thin bonded fast track overlay was promoted to allow a thin bonded PCC overlay with minimal disruption of local traffic. This project demonstrated the concept of using one lane of the roadway to maintain traffic while the overlay was placed on the other and then with the rapid strength gain of the fast track concrete, the construction and local traffic is maintained on the newly placed, thin bonded overlay. The goals of this project were: 1. Traffic usage immediately after placement and finishing. 2. Reduce traffic disruption on a single lane to less than 5 hours. 3. Reduce traffic disruption on a given section of two-lane roadway to less than 2 days. 4. The procedure must be economically viable and competitive with existing alternatives. 5. Design life for new construction equivalent to or in excess of conventional pavements. 6. A 20 year minimum design life for rehabilitated pavements.

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A snapshot of water resource trends prepared by the Iowa DNR in collaboration with the Iowa Department of Agriculture and Land Stewardship, the U.S. Geological Survey, and The Iowa Homeland Security and Emergency Management Department.

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A section of US 52 between Dubuque and Luxemburg, Iowa, was listed in the top 5% of Iowa highways for severe crashes involving impaired drivers and single vehicle run-off-road crashes during 2001–2005, and several crashes have occurred on this roadway near the towns of Luxemburg, Holy Cross, and Rickardsville, Iowa, many on curves. Staff and officials from the Iowa Department of Transportation (Iowa DOT), Iowa State Patrol, Governor’s Traffic Safety Bureau, Federal Highway Administration, Center for Transportation Research and Education Dubuque County, and a retired fire chief met to review crash data and discuss potential safety improvements to U.S. Highway 52. This report outlines the findings and recommendations of the road safety audit team to address the safety concerns on this US 52 corridor and explains several mitigation strategies that the Iowa DOT District 6 Office has selected.