Budgeting: Estimating Costs and Risks

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Presentation transcript:

Budgeting: Estimating Costs and Risks Chapter 7 Budgeting: Estimating Costs and Risks © 2012 John Wiley & Sons Inc.

Budgeting A plan for the costs of project resources A budget implies constraints Thus, it implies that managers will not get everything they want or need

Budgeting Continued The budget for an activity also implies management support for that activity Higher the budget, relative to cost, higher the managerial support The budget is also a control mechanism Many organizations have controls in place that prohibit exceeding the budget Comparisons are against the budget

Estimating Project Budgets On most projects Material + Labor + Equipment + Capital + Overhead + Profits = Bid In other words Resources + Profits = Bid So we are left with the task of forecasting resources

Estimating Project Budgets Continued Like any forecast, this includes some uncertainty There is uncertainty regarding usage and price Especially true for material and labor The more standardized the project and components, the lower the uncertainty The more experienced the cost estimator, the lower the uncertainty

Rules of Thumb Some estimates are prepared by rules of thumb Construction cost by square feet Printing cost by number of pages Lawn care cost by square feet of lawn These rules of thumb may be adjusted for special conditions However, this is still easier than starting the estimate from scratch

Estimating Budgets is Difficult There may not be as much historical data or none at all Even with similar projects, there may be significant differences Many people have input to the budget

Estimating Budgets is Difficult Continued Multiple people have some control over the budget There is more “flexibility” regarding the estimates of inputs (material and labor) The accounting system may not be set up to track project data Usage of labor and material is very lumpy over time

Types of Budgeting Top-down Bottom-up Negotiated

Top-Down Budgeting Top managers estimate/decide on the overall budget for the project These trickle down through the organization where the estimates are broken down into greater detail at each lower level The process continues to the bottom level

Advantages Overall project budgets can be set/controlled very accurately A few elements may have significant error Management has more control over budgets Small tasks need not be identified individually

Disadvantages More difficult to get buy in Leads to low level competition for larger shares of budget

Bottom-Up Budgeting Project is broken down into work packages Low level managers price out each work package Overhead and profits are added to develop the budget

Advantages Greater buy in by low level managers More likely to catch unusual expenses

Disadvantages People tend to overstate their budget requirements Management tends to cut the budget

Work Element Costing Labor rates include overhead and personal time Direct costs usually do not include overhead General and administrative (G&A) charge

An Iterative Budgeting Process–Negotiation-in-Action Most projects use some combination of top-down and bottom-up budgeting Both are prepared and compared Any differences are negotiated

Category Budgeting Versus Program/Activity Budgeting Organizations are used to budgeting (and collecting data) by activity These activities correspond to “line items” in the budget Examples include phone, utilities, direct labor,… Projects need to accumulate data and control expenses differently This resulted in program budgeting

Typical Monthly Budget Table 7-1

Project Budget by Task & Month Table 7-2

Improving The Process of Cost Estimation Inputs from a lot of areas are required to estimate a project May have a professional cost estimator to do the job Project manager will work closely with cost estimator when planning a project We are primarily interested in estimating direct costs Indirect costs are not a major concern

Problems Even with careful planning, estimates are wrong Most firms add 5-10 percent for contingencies

Other Factors Escalation Waste Bad Luck