Estimating and Costing | Purpose of Estimating | Loksewa

Ranjit Kumar Das
By Ranjit Kumar Das 479 Views Add a Comment

Estimating in Civil Engineering

Estimation involves calculating approximate quantities and costs of materials, labor, equipment, and other resources required for a construction project. It’s like making an educated prediction or informed guess about the project’s financial requirements. Estimation is typically done during the initial stages of a project before the actual construction work begins.

Purpose of Estimating

  1. Budgeting: Estimation serves as the foundation for planning and setting a budget for the construction project. By estimating the costs accurately, project owners and stakeholders can determine the required financial resources.
  2. Feasibility Analysis: Estimation helps assess the project’s feasibility by ensuring that it can be accomplished within the available financial resources.
  3. Resource Allocation: Estimation determines the quantities of materials, labor, equipment, and other resources needed for the project. This ensures the timely procurement of the right resources in appropriate quantities.
  4. Tendering and Bidding: Contractors use estimates to submit competitive bids for securing construction projects. Accurate estimates improve the chances of winning contracts.
  5. Risk Assessment: Estimation plays a crucial role in identifying potential cost overruns and risks associated with the project. By considering various scenarios, project managers can plan for contingencies and risk mitigation strategies.

Costing in Civil Engineering

Costing involves tracking and calculating the actual expenses incurred during the execution of a construction project. It entails monitoring real costs related to materials, labor, equipment, and other project-related expenses.

Purpose of Costing

  1. Cost Control: Costing allows project managers to monitor and control the project’s financial performance. By comparing actual costs with estimated costs, they can identify any deviations and take corrective actions to stay within the budget.
  2. Accountability: Costing provides transparency and accountability in financial matters. It shows how and where the project’s funds are being utilized, holding project participants responsible for their decisions and expenditures.
  3. Learning for the Future: Costing data from completed projects becomes valuable for future reference. It serves as a benchmark for similar future projects, improving the accuracy of future estimates.
  4. Informed Decision Making: Accurate costing information enables informed decision-making throughout the project’s lifecycle. Project managers can make better choices and prioritize spending based on real-time financial data.
  5. Billing and Payments: Costing is essential for preparing the final bill for the client, including all the expenses incurred during the project. It also helps manage payments to contractors, suppliers, and laborers.

In summary, estimation in civil engineering is crucial for budgeting, feasibility analysis, resource allocation, tendering, and risk assessment. Costing, on the other hand, focuses on cost control, accountability, learning for the future, informed decision-making, and final billing/payment management. Both estimation and costing are integral parts of successful civil engineering projects, ensuring efficient execution within the allocated budget.

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