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Construction Engineering & Management - Vol 1
Explore and master the fundamentals of Construction Engineering & Management - Vol 1
You've not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.Chapter 1
Planning Process of Equipment
The lecture provides a comprehensive overview of the planning process for equipment in construction projects. It emphasizes the importance of effective equipment selection and utilization to optimize project costs and timelines. Key factors such as equipment cost, productivity, ownership, and technological competitiveness are discussed in detail, alongside the need for an analytical approach when choosing machinery for different jobs.
Chapter 2
Hauling of Earth
This chapter discusses the various factors influencing the selection of machines and methodologies in construction projects. Key considerations include hauling and placement methods, cost-effectiveness, contract specifications, job site conditions, and specific equipment characteristics tailored to project requirements. The impact of climatic conditions and working space limitations on machine efficiency and project productivity is also emphasized.
Chapter 3
Selection of Crane Based on Conditions
The chapter discusses various factors influencing the selection and utilization of machinery in construction projects, such as environmental conditions, power source availability, and site access. It emphasizes the need for compatible machine sizes when multiple units operate concurrently to enhance productivity and efficiency. Moreover, the importance of versatile machines, which can adapt to different roles through attachment changes, is highlighted as a crucial aspect in modern construction practices.
Chapter 4
Project Network Diagram
The chapter provides an overview of project scheduling and resource allocation using a project network diagram. It emphasizes the significance of understanding activity durations and the critical path in project completion. Moreover, it discusses resource constraints and introduces effective methods for equipment utilization, particularly through the use of an equipment loading chart.
Chapter 5
Construction Methods and Equipment Management
The chapter focuses on the significance of estimating equipment costs, specifically ownership costs using the average annual investment method. It elaborates on components such as initial costs, depreciation, interest, taxes, insurance, and storage, emphasizing the importance of accurate estimations for effective equipment management. It also explores various depreciation accounting methods and their applications in estimating the depreciation of equipment over its useful life.
Chapter 6
Sum of the Years Digit Method
Different methods for estimating depreciation are explored, providing insights into their calculations and implications on financial reporting. The straight line, sum of the years digits, and double declining balance methods each have unique attributes affecting the book value of machines. Additionally, the chapter discusses the rationale behind switching between different depreciation methods to optimize tax benefits and ensure the book value aligns with salvage value.
Chapter 7
Cost of Investment
The chapter discusses the various components of ownership costs for machinery, focusing on the cost of investment as a key factor in determining overall ownership costs. It highlights two main methods for calculating investment costs: the time value method and the average annual investment method. Additionally, the chapter covers related costs like insurance, taxes, and storage, concluding with an example to illustrate how to estimate the ownership costs.
Chapter 8
Construction Methods and Equipment Management
The chapter delves into equipment cost estimation with a focus on ownership costs using the time value of money principle. It introduces core concepts such as cash flow diagrams, economic equivalence, and various compounding factors essential for calculating future and present values of equipment investments. Practical examples are provided to illustrate how to apply these concepts for effective equipment management in civil engineering projects.
Chapter 9
Uniform Series Capital Recovery Factor
The chapter explores key concepts related to financial valuation methods in engineering, emphasizing the importance of timing in cash flows and how various compounding factors can be applied to convert cash flows to equivalent values. It discusses the Uniform Series Capital Recovery Factor and Uniform Series Present Worth Factor, detailing their applications in estimating loan repayment schedules and ownership costs. Additionally, it covers methods for converting the purchase price of equipment into annualized costs, concluding with practical examples of these concepts in action.
Chapter 10
Construction Methods and Equipment Management
This lecture focuses on estimating the operating costs associated with equipment in construction, emphasizing the difference between ownership costs and operating costs. It elaborates on various components of operating costs, such as fuel, lubricants, labor wages, and maintenance and repair costs. The chapter also presents practical methods for estimating total equipment costs using established methods.
Chapter 11
Fuel Consumption Rates for Different Engine Types
The chapter discusses fuel consumption and costs associated with different types of engines used in machines, emphasizing the need to adjust theoretical fuel consumption values based on project conditions. It covers the estimation of hourly fuel costs, the significance of lubricating oil consumption, and the overall components constituting operating costs. Practical examples and formulas are provided to illustrate these concepts effectively.
Chapter 12
Equipment cost – Caterpillar and Peurifoy method
The chapter provides a detailed overview of estimating total equipment costs using the Caterpillar and Peurifoy methods. It emphasizes the importance of understanding both ownership and operating costs, including depreciation, fuel costs, and maintenance. Step-by-step procedures for applying these methods are illustrated, offering practical guidance for effective cost estimation in construction equipment management.
Chapter 13
Estimating Equipment Cost Using Two Methods
The chapter delves into the estimation of equipment costs, primarily focusing on ownership and operating costs. It outlines two prominent methods, the Caterpillar method and the Peurifoy method, for accurately assessing these costs. Key components such as depreciation, annual usage, interest rates, and labor costs are elaborated upon to provide a comprehensive understanding of equipment management in construction.
Chapter 14
Initial Cost Analysis
The chapter discusses the process of converting initial costs into equivalent uniform annual costs using uniform series capital recovery factors. It also covers the estimation of salvage value, operating costs, and various cost components related to equipment ownership, such as depreciation, insurance, and taxes.
Chapter 15
Equipment Life and Replacement Analysis (Part-1)
This chapter covers the concepts of equipment life and replacement analysis, focusing on determining the optimal economic life of machinery. It discusses various factors influencing the decision to replace machinery, such as repair costs, productivity, and obsolescence. Additionally, the chapter introduces analytical methods for estimating replacement time and highlights the importance of understanding costs associated with maintaining and operating equipment over its lifespan.
Chapter 16
Economic Life of a Machine
The economic life of machinery is defined as the period during which the cost of owning and operating the machine is minimized. It involves an analysis of various cost factors including repair, maintenance, downtime, and obsolescence and how they impact overall costs over time. This chapter presents a systematic approach to estimating the economic life through the application of the double declining balance method for depreciation and replacement analysis.
Chapter 17
Downtime Cost Calculation
The chapter delves into the financial implications of machine downtime costs, obsolescence, and the economic life of equipment, emphasizing the need for timely replacement to minimize costs. It outlines how cumulative costs evolve over time and how depreciation, maintenance, and obsolescence hitches can affect the total cost of ownership. Analytical methods are discussed to identify the optimal replacement time to optimize productivity versus cost.
Chapter 18
Depreciation Calculation
The chapter discusses the depreciation of machinery, methods for calculating average annual cumulative costs, and guidelines for determining the economic life of a machine. It introduces multiple approaches for equipment replacement decisions, focusing on minimizing costs and maximizing profits. Various methods of analysis, including the intuitive, minimum cost, maximum profit, and payback period methods, are examined in relation to machine replacement strategies.
Chapter 19
Equipment Life and Replacement Analysis (Part 3)
The chapter focuses on the application of the time value of money in equipment replacement analysis. It outlines important factors influencing economic life, emphasizing the need to consider current market values rather than historical costs. The discussion includes calculating equivalent annual costs for various expenses associated with equipment, striving to optimize replacement timing based on cost efficiency.
Chapter 20
Equivalent Annual Cost Calculation
The chapter focuses on the calculation of Equivalent Annual Costs (EAC) associated with operating and maintenance costs, salvage value, and purchase price of equipment. It provides step-by-step methodologies to convert various future cash flows into present values, ultimately assisting in the economic life analysis of machinery. The tracking of costs throughout the machine's lifecycle helps determine optimal replacement timings.
Chapter 21
Introduction to Defender and Challenger Equipment
The chapter discusses the analysis of replacing existing equipment with new proposed equipment using economic evaluation methods. It specifically addresses how to perform replacement analysis by considering relevant costs such as operating and maintenance costs while disregarding sunk costs and initial purchase prices. A comparison between two machines, the defender and the challenger, illustrates the application of the annual worth method in determining the more economical option.
Chapter 22
Getting Started 14
This chapter emphasizes the fundamentals of earthmoving operations, highlighting the basic steps and equipment involved in construction projects. It outlines the importance of selecting appropriate machinery based on project requirements, including haul distances and material types. Additionally, it discusses critical terms related to machine performance and power requirements necessary to efficiently conduct earthmoving activities.
Chapter 23
Overview 72
The chapter discusses the various forms of resistance encountered by machines on project sites, including rolling and grade resistance, and how to calculate the total resistance to determine the necessary tractive effort and power requirements of machinery. It emphasizes the importance of using correct power ratings provided by manufacturers and understanding project conditions such as slope and traction to estimate usable power effectively for operational efficiency.