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Related Concept Videos

Survey Safety01:28

Survey Safety

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Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
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Design Consideration01:22

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Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
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Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
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Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

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Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
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Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.
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Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

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This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
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Do Variations in State Consultation Programs Affect Construction Fatality Rates?

Wayne B Gray1, John Mendeloff2

  • 1Professor Emeritus, Department of Economics, Clark University, Worcester, Massachusetts, USA.

American Journal of Industrial Medicine
|January 11, 2026
PubMed
Summary
This summary is machine-generated.

The Occupational Safety and Health Administration (OSHA) consultation program significantly reduces fatal work injuries in construction. More frequent workplace safety visits and hazard identifications correlate with lower fatality rates, especially in State Plan states.

Keywords:
OSHAconstructionconsultationseffectivenessvoluntary programs

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Area of Science:

  • Occupational Health and Safety
  • Construction Safety
  • Public Health Policy

Background:

  • The Occupational Safety and Health Administration (OSHA) offers a voluntary consultation program to help businesses identify workplace hazards.
  • This study investigates the impact of OSHA's consultation program on fatal work injuries within the construction industry.

Purpose of the Study:

  • To assess the effectiveness of OSHA's voluntary consultation program in reducing fatal work injuries in construction.
  • To analyze the relationship between consultation program characteristics and state-level construction fatality rates.

Main Methods:

  • Examined state-level differences in OSHA consultation programs (2016-2022), including visit frequency, hazards identified, and scope.
  • Utilized regression analysis to correlate consultation program features with construction fatality rates.
  • Differentiated between State Plan states and Federal OSHA states.

Main Results:

  • State Plan states exhibited higher consultation visit rates, broader scope, and more identified hazards per worker compared to Federal states.
  • Higher State Plan consultation rates were significantly associated with lower construction fatality rates.
  • Interactions between consultation rates, hazard identification, and visit scope showed a negative relationship with fatality rates.

Conclusions:

  • Increased frequency of OSHA consultation visits to construction firms is linked to reduced fatal work injuries.
  • A greater number of identified hazards and a wider scope of consultations are associated with lower construction fatality rates.
  • These findings highlight the importance of robust consultation programs in enhancing construction site safety.