A Guidebook for Nighttime Construction: Impacts on Safety, Quality, and Productivity (2012) / Chapter Skim
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Pages 9-14
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9 Since the latter half of the 20th century and the beginning of the 21st century, urban traffic congestion has increased. The need for highway rehabilitation and maintenance work has further added to the traffic-congestion situation.
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10 A Guidebook for Nighttime Construction: Impacts on Safety, Quality, and Productivity Key Take-Aways • Accident rates for work zones with lane closures are 75 percent higher than those for work zones without lane closures (Cottrell 1999)
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Risk 11 identification processes begin with an examination of issues and concerns created by the project development team. Issues and concerns can be derived from an examination of the project description, work breakdown structure, cost estimate, design and construction schedule, procurement plan, or general risk checklists.
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12 A Guidebook for Nighttime Construction: Impacts on Safety, Quality, and Productivity involves assigning responsibility to the various parties to implement the decided-upon mitigation strategies. Finally, the contract is a risk allocation vehicle.
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Risk 13 • Project Management Institute.
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14 A Guidebook for Nighttime Construction: Impacts on Safety, Quality, and Productivity Potential Risks Additional Information Safety • Vehicle intrusions into the work zone • Workers struck by construction equipment • Construction equipment intrusion into the operational traffic lanes • Irresponsible driver behavior • High speed of vehicles tr aversing the work zone • Driver confusion • Poor visibility • Irresponsible worker behavior • Inadequate lighting • Worker fatigue (Elrahman and Perry 1994) Chapter 8 of this Guidebook has additional safety risk information.
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