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Differences between EPC and design-build delivery


Differences between EPC and design-build delivery

Commercial buildings can be constructed using either the design-build or engineer-procure-construct (EPC) processes. Many of the strategies for acquiring your new structure are comparable.

The contractor is in charge of design after construction has begun, and in both cases, the contractor is selected by the owner.

There are, however, important distinctions that might make or break your budget. At Dorar Tammam Contracting (DTC) , today we will discuss the difference between EPC and design-build.

The EPC (Engineer-Procure-Construct) Method

When using this approach, the contractor is in charge of sourcing materials, drawing out plans, and erecting the structure. The purpose of the centralized point of contact is to keep the property owner abreast of construction developments.

The price includes everything that goes into the supplies and construction. This approach has been used for a long time because it allows the owner to have minimal hands-on engagement in the construction process while yet having accurate estimates of the duration, scope, and prices.

However, when the owner isn’t actively involved, there is more room for misunderstandings between the owner’s plans and the Dorar Tammam Contracting (DTC)  contractor’s interpretation.

The Design-Build Method

It’s no surprise that the design-build strategy is gaining popularity and replacing other forms of contracting as the norm.

The owner hires a contractor, who then walks the owner through the design process while providing an estimate of the project’s price, scope, and duration. There is one person who acts as a conduit of information between the owner and the general Dorar Tammam Contracting (DTC)  contractor.

Typically, the price is a flat rate determined in conjunction with the owner during the design phase. This facilitates open dialogue between the property owner and the contractors on the latter’s abilities and the former’s costs.

The Most Important Differences

Since contractors in both the Dorar Tammam Contracting  EPC and Design-Build approaches handle the bulk of the legwork in sourcing materials and constructing buildings, it stands to reason that their respective schedules and budgets would be comparable.

It appears that the design procedure is the only significant variation. However, the Design-Build method emphasizes collaboration with the owner throughout the design phase, which yields fruitful results. Dorar Tammam Contracting (DTC)  contractors might identify strategies to speed up the project by collaborating with the owner throughout the design phase.

More information is given to the owner to ensure peak performance during construction. Finally, because the design is a collaboration rather than a hand-off, there is far less risk involved.

It’s possible that a Design-Build approach might speed up the construction and commissioning of your next industrial facility, no matter what you end up deciding to undertake. Reach out to Dorar Tammam Contracting (DTC)  if you’re interested in discussing how we may contribute to the development of your next big thing.


In EPC, the Dorar Tammam Contracting (DTC)  contractor often assumes a larger share of the risk than is typical in contracting arrangements. In a design-build arrangement, just the contractor is on the hook for any problems that may arise, rather than both the owner and the builder.

Common approaches to design-build contracting for addressing complexities like unknown site circumstances include a traditional plan offer or dividing the risk equally between the owner and the building maker. EPC contracts, on the other hand, frequently place all of this risk on the EPC company. For more details, contact Dorar Tammam Contracting (DTC) .