Construction Engineering & Management - Vol 1 | 18. Depreciation Calculation by Abraham | Learn Smarter
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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.

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Sections

  • 1

    Depreciation Calculation

    This section explores the calculation of depreciation and its impact on machine book values and costs over the years.

  • 1.1

    Book Value Calculation For First Year

    This section discusses the calculation of depreciation and book value for machinery over the first two years.

  • 1.2

    Book Value Calculation For Second Year

    This section describes the steps for calculating book value and depreciation for a machine over the first and second years.

  • 1.3

    Annual Cost Calculation

    This section covers how to calculate depreciation, book value, and annual costs of machinery over its lifespan, essential for equipment replacement decisions.

  • 1.4

    Average Annual Cumulative Cost Calculation

    The section explains how to calculate the average annual cumulative cost of machinery by evaluating depreciation and operating costs over time.

  • 2

    Comparison Of Loaders

    This section explores the calculation of depreciation and annual costs of loaders and compares the economic life of different loaders.

  • 2.1

    Replacement Justification Based On Economic Life

    This section discusses the methods for justifying equipment replacement based on depreciation and cumulative costs to optimize economic life.

  • 2.2

    Dr. James Douglas Guidelines For Replacement

    This section explains Dr. James Douglas's approach to equipment replacement based on economic factors, specifically focusing on costs and profits to determine optimal replacement timing.

  • 2.3

    Estimated Annual Cost Comparison

    The section elaborates on how to calculate estimated annual costs associated with equipment, focusing on depreciation and cumulative costs to decide on equipment replacement.

  • 3

    Maximum Profit Method Analysis

    This section analyzes the Maximum Profit Method as a replacement strategy for equipment, focusing on calculating annual profits and determining when to replace machinery.

  • 3.1

    Profit Calculation For Loaders

    This section discusses the calculation of depreciation and annual costs for loaders, focusing on methods to determine when to replace old machines with new ones.

  • 3.2

    Cumulative Profit Calculation

    This section discusses how to calculate cumulative profit using depreciation and annual costs for a machine over time.

  • 3.3

    Determining Economic Life Based On Profit

    This section explores calculating depreciation and economic life based on profit and cost analysis for machinery.

  • 3.4

    Comparison Of Maximum Profits

    This section discusses the process of calculating maximum profits through depreciation and costs associated with machinery, as well as comparing the profitability of existing and proposed equipment.

  • 4

    Payback Period Method

    The Payback Period Method determines the time required for a machine to recover its initial investment through generated profits, aiding the decision to replace machinery.

  • 4.1

    Payback Period Explanation

    This section discusses the payback period concept, which helps in determining the time required to recover the initial investment in machinery through generated profits.

  • 4.2

    Comparison Of Payback Periods For Loaders

    This section compares the payback periods and associated costs for two loaders, guiding the decision-making process for equipment replacement.

  • 5

    Summary Of Methods

    This section outlines the methods for calculating depreciation and making economical decisions regarding machinery replacement.

  • 5.1

    Intuitive Method And Its Comparison

    This section discusses the intuitive method for equipment replacement analysis and compares it with the minimum cost and maximum profit methods.

  • 5.2

    Minimum Cost Method Overview

    This section explores the minimum cost method used to determine optimal equipment replacement timing based on depreciation, operating, and maintenance costs.

  • 5.3

    Maximum Profit Method Overview

    This section introduces the Maximum Profit Method, discussing how to determine the optimal time to replace machinery based on profitability.

  • 5.4

    Implications Of Cash Flow Timing

    This section discusses the importance of cash flow timing in financial decision-making, particularly regarding depreciation and equipment replacement analysis.

  • 6

    Next Steps

    This section discusses the process of calculating depreciation, book values, and annual costs of machinery, along with methods for deciding when to replace old machinery with more economical options.

  • 6.1

    Upcoming Lecture Focus On Time Value

    This section discusses the calculations of depreciation and economic life for machinery and the methodologies for making equipment replacement decisions.

  • 6.2

    References For Further Reading

    This section discusses how to estimate the depreciation, annual costs, and economic life of machines, along with guidelines for replacing old equipment.

References

7 b.pdf

Class Notes

Memorization

What we have learnt

  • Depreciation is important f...
  • Annual costs can be calcula...
  • Different replacement analy...

Final Test

Revision Tests