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How to Estimate Duration of Activities in Construction

The Constructor

All formal scheduling procedures rely upon estimates of the durations of the various project activities as well as the definitions of the predecessor relationships among tasks. Formally, the probability distribution of an activity's duration as well as the expected or most likely duration may be used in scheduling.

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12 Step Program for Creating Credible Construction Estimates

Job Order Contracting

The below 12 Step Program for Creating a Credible Construction Estimate is a valuable tool for any real propery owner or services provider. #1 1 Define estimate’s purpose ■ Who will use the estimate and how. Monte Carlo simulation) to develop a confidence interval around the point estimate. ■

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Credible Construction Estimate Core Elements

Job Order Contracting

A credible construction cost estimate is required prior to engaging in procurement. The follow elements are common to a credible construction cost estimate. Credible Cost Estimate Core Elements #1 Objectivity – The information used and those invovled in the creation of the construction cost estimate must be objective.

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Construction Cost Estimating Facts

Job Order Contracting

Construction Cost Estimating Facts Construction Cost Estimating Facts #1 There is no such thing as an “accurate cost estimate” Beware of any so called expert, estimating firm, or vendor using the term. #2 2 Construction cost estimating is NOT an art.

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Footing Bar Bending Schedule (BBS) – Estimation of Steel Quantity

The Constructor

Bar bending schedule (BBS) of an concrete footing provides the reinforcement details and the total steel quantity required for the footing.

Schedule 240
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Better Manage Construction Costs Schedules and Quality

Job Order Contracting

Sixty (60%) percent of all project fail to meet both cost and and schedule targets. Fortunately there are proven processes to better manage construction costs, schedules, and quality. Labor productivity value for each craft /work area needs to be estimated at a detail level as it will significantly vary.

Schedule 162
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BAR BENDING SCHEDULE FOR RCC BEAM

The Constructor

Bar bending schedule provides the reinforcement calculation for reinforced concrete beam. How To Guide Reinforcement Guide Bar Bending Schedule RCC reinforcement Reinforcement Estimation' It provides details of reinforcement cutting length, type.

Schedule 235