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Glossary

Fixed Price

A Fixed Price, also known as a lump sum, is a predetermined, set amount agreed upon for the completion of a project or delivery of goods and services.

Topic: 
Project Cost Management

Contents

Example H2
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What is a Fixed Price?

A Fixed Price, also known as a lump sum, is a predetermined, set amount agreed upon for the completion of a project or delivery of goods and services. This pricing method provides cost certainty for the buyer and defines the total amount payable, regardless of the actual costs incurred during the execution of the project or service.

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What is a Fixed Price?

A Fixed Price is a contractual agreement where the seller agrees to deliver a specified scope of work for a set price. This price remains unchanged throughout the duration of the project, providing financial predictability for both parties. In the context of construction, a fixed price contract means that the contractor will complete the project for the agreed sum, regardless of any cost overruns or unexpected expenses.

About Fixed Price

Fixed price agreements are commonly used in construction and other industries where the scope of work can be clearly defined upfront. This type of pricing offers several advantages, such as reducing financial risk for the buyer and simplifying the budgeting process. However, it also requires careful planning and accurate cost estimation by the contractor to ensure that the project can be completed within the agreed price.

Key Components of a Fixed Price Contract

  • Scope of Work: A detailed description of the tasks, deliverables, and specifications that are included in the contract price.
  • Fixed Price: The total amount agreed upon for the completion of the project or delivery of services.
  • Payment Schedule: A schedule outlining when and how payments will be made, often tied to project milestones or completion stages.
  • Project Timeline: A timeline specifying the start and end dates of the project, as well as any key milestones.
  • Change Orders: Procedures for handling changes to the project scope, including how changes will be documented, approved, and how they will affect the contract price and timeline.
  • Performance Metrics: Criteria for evaluating the contractor's performance, including quality standards and completion requirements.

Cost Plus vs Fixed Price

  • Fixed Price: The seller agrees to complete the project for a set price, providing cost certainty for the buyer. The seller bears the risk of cost overruns but also benefits from any cost savings.
  • Cost-Plus: The buyer agrees to reimburse the seller for actual costs incurred, plus an additional fee for overhead and profit. This type of contract provides flexibility but requires more detailed cost tracking and management.

How to Use a Fixed Price Contract

  • Define Project Scope: Clearly outline the project scope, including detailed plans, specifications, and requirements.
  • Develop Cost Estimates: Prepare comprehensive cost estimates that cover all aspects of the project, including labor, materials, equipment, and overhead.
  • Set the Fixed Price: Establish the fixed price based on the cost estimates and agreed-upon scope.
  • Create a Payment Schedule: Develop a payment schedule that outlines when and how payments will be made, often tied to project milestones or completion stages.
  • Monitor Project Progress: Regularly monitor project progress to ensure work is being completed on schedule and within the agreed-upon scope and quality standards.
  • Manage Changes: Implement a structured process for handling change orders, ensuring all modifications are documented and approved.

Fixed Price Pros and Cons

Pros:

  • Cost Certainty: Provides financial predictability and simplifies budgeting for the buyer.
  • Simplicity: Easier to manage and understand compared to other pricing methods.
  • Incentive for Efficiency: Encourages the contractor to manage costs effectively to maximize profit.

Cons:

  • Risk for Contractors: Contractors bear the risk of cost overruns and unexpected expenses.
  • Potential for Disputes: Disagreements may arise over the interpretation of the project scope and any changes.
  • Less Flexibility: Fixed price contracts may be less adaptable to changes in project scope or conditions.

Fixed Price Contract Example

The American Institute of Architects (AIA) offers a standard form contract, AIA A101, for fixed price agreements. The AIA A101 is the "Standard Form of Agreement Between Owner and Contractor where the basis of payment is a Stipulated Sum." This contract outlines the fixed price, project scope, payment schedule, and other key terms and conditions. It is widely used in the construction industry and provides a comprehensive framework for managing fixed price projects.

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