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What is a Cost-Plus Contract in Construction?

construction cost-plus contract

In the realm of construction projects, various types of contracts govern the relationship between owners and contractors. A contract type gaining popularity is the Cost-Plus construction contract. This arrangement offers a flexible and transparent approach to project management, allowing for increased collaboration and adaptability. If you are considering obtaining a contractor’s license, knowing different contract structures is critical to success and client relationships. In this article, we will provide a better understanding of a Cost-Plus-Fee construction contract, exploring its key components, advantages, and considerations.

Definition of a Cost-Plus Contract:

A Cost-Plus construction contract is a procurement arrangement where the owner agrees to reimburse the contractor for all project-related costs incurred during construction. In addition to reimbursable costs, the contractor is entitled to a fee, typically calculated as a percentage of the total project costs. This fee covers the contractor’s overhead, profit, and other indirect costs associated with managing the project.

There may also be arrangements for the overhead/profit to be a flat rate fee in a cost-plus contract. This means that the contractor sets a set amount in the contract that the owner will pay them throughout the duration of the project. This way there is a known amount for what the owner will need to pay the contractor for general conditions. Then, the cost for all materials, labor, etc. is billed at the actual cost incurred value.

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Key Components of a Cost-Plus Contract:

Reimbursable Costs

  • Direct Costs: These include expenses directly attributable to the project, such as labor, materials, and equipment.
  • Indirect Costs: Indirect expenses, such as overhead and general administrative costs, are also reimbursable under this contract.

Contractor’s Fee

  • Percentage Fee: The contractor’s fee is usually expressed as a percentage of the total project costs. Common percentages range from 10% to 20%, depending on the complexity and size of the project.
  • Fixed Fee: In some cases, a fixed fee may be negotiated, providing a predetermined amount that does not fluctuate with project costs.

Guaranteed Maximum Price (GMP)

  • To introduce cost control measures, some Cost-Plus contracts incorporate a Guaranteed Maximum Price. The GMP establishes an upper limit for the project costs, providing the owner with financial predictability.

Advantages of Cost-Plus Construction Contracts:

Transparency

  • Owners have a clear understanding of project costs, as all expenses are clearly defined.
  • The transparent nature of this contract fosters trust and collaboration between the owner and contractor.

Flexibility

  • Changes and unforeseen circumstances can be accommodated more easily, as costs are continually updated throughout the project.
  • The flexibility allows for adjustments to the project scope or design without the need for extensive contract modifications.

Quality Focus

  • Contractors have motivation to achieve optimal project quality because their fee is part of the overall project costs.
  • This incentivizes contractors to find cost-effective solutions without compromising quality.

Material and Labor Unknowns

  • Labor and material prices may fluctuate throughout the duration of the project. This can put the contractor at risk of under-projecting at the beginning of the project if a lump sum contract is the contract structure of choice. On the other hand, this can put the owner at risk if the contractor over-projects on a lump sum contract to try to protect themselves.

Considerations and Challenges:

Risk Allocation

  • Owners may assume more risk in terms of cost overruns, as they are responsible for reimbursable costs.
  • Careful risk allocation and negotiation are crucial to ensure a fair distribution of responsibilities between the owner and contractor.

Documentation and Reporting

  • Robust documentation and reporting mechanisms are essential to maintain transparency and accurately track project costs.
  • Both parties should establish clear protocols for record-keeping and reporting throughout the construction process.

Contract Administration

  • Effective contract administration is critical to monitor project progress, costs, and compliance with the agreed-upon terms.
  • Owners may need experienced project managers or consultants to oversee the contract effectively.

Conclusion:

The Cost-Plus construction contract offers a dynamic and collaborative approach to construction projects, aligning the interests of both owners and contractors. While its transparency and flexibility are notable advantages, careful consideration of risk allocation, documentation, and contract administration is vital to ensure a successful and mutually beneficial outcome.

If you are considering obtaining your contractor license, a cost-plus contract is a valuable contract type to consider. As with any contractual arrangement, open communication and a thorough understanding of the terms are essential for the smooth execution of Cost-Plus construction contracts.