Construction Manager vs. General Contractor: What’s the Difference?

Assessing how these roles contribute to project outcomes

Understanding the difference between a construction manager and a general contractor is important for anyone involved in the construction industry. While they may appear similar at first glance, each role carries unique responsibilities and impacts project outcomes differently.

To clarify these roles, we'll break down the unique responsibilities and impacts of a construction manager vs. general contractor on a project in straightforward terms. With this knowledge, you’ll be fully equipped to make informed decisions regarding what position is right for you.

Let's explore the specifics of each role, highlighting their unique responsibilities and decision-making powers, to help you make choices for your next project with increased confidence and insight.

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Defining the roles of Construction Manager vs General Contractor

Construction manager job description

A construction manager serves as the backbone of a project and is responsible for overseeing and directing its progress from start to finish. This role involves careful oversight of scheduling, cost estimation, and supervision of construction activities, ensuring that everything adheres to legal and safety standards.

 Construction managers also serve in a consultative capacity, working closely with the project’s owner through the planning and design phases. The construction manager’s connection with the project’s owner is built on trust, often forged over years of successful interactions and positive experiences.

 Their ultimate aim is to steer the project to success through effective leadership and resolving issues that emerge. They may not directly perform construction work, but instead manage the process, focusing on keeping the project within budget and on schedule. Their compensation typically involves a fixed fee.

 For more detailed insights, the Bureau of Labor Statistics provides further insights into the role and responsibilities of a construction manager.

General contractor job description

Meanwhile, a general contractor is generally more involved in the day-to-day operations of a project, entering the scene following the design phase to take charge of the physical construction.

 Often selected through a competitive bidding process, general contractors engage under a direct contract with the project owner and have a significant financial stake in the project’s success.

 Learn.org provides a thorough description of general contracting and general contractor responsibilities.

 

Key Responsibilities

Construction manager responsibilities

In heavy construction projects, construction managers are directly involved in the planning, budgeting, and oversight of the entire project lifecycle. Their responsibilities include:

  •  Project planning and design coordination: Closely collaborating with architects and engineers to define a project’s scope, goals, and specifications.
  • Budget management: Estimating and managing budgets to ensure financial viability.
  • Schedule oversight: Estimating and maintaining timelines to guarantee on-time delivery.
  • Quality and safety compliance: Ensuring construction activities meet safety and quality benchmarks.
  • Stakeholder communication: Acting as the primary liaison between project owners, contractors, and other stakeholders.

 Specific responsibilities of a construction manager in horizontal construction could involve coordinating the construction of a new highway, managing the budget for a bridge project, or overseeing the safety protocols for a utility installation.

General contractor responsibilities

On the other hand, general contractors focus on the execution phase of construction projects. Their key responsibilities include:

  •  Subcontractor management: Hiring and managing subcontractors to perform specific tasks on a project.
  • Material and equipment procurement: Securing essential materials and equipment for a project.
  • Construction execution: Directly managing the construction work to align with the project’s plans and specifications.
  • Quality control: Monitoring construction methods and outputs to ensure quality.
  • Problem-solving: Addressing and resolving issues that arise during construction.

 For example, in a road construction project, a general contractor might handle tasks such as hiring subcontractors for asphalt work, acquiring materials for roadbeds, and making sure all construction activities comply with road safety regulations.

 

Decision-making and authority

The decision-making powers and authority levels of construction managers and general contractors vary significantly, each influencing a project’s direction and outcomes in unique ways.

 Construction managers typically have broad authority in the early stages of a project, directly consulting with the owner to make key strategic decisions about budgeting, scheduling, and compliance with standards. Serving as the owner’s agent, their decisions are vital in guiding the project’s direction from planning to execution.

 General contractors take the reins during the construction phase, making day-to-day operational decisions to ensure the project progresses according to plan. They have the autonomy to manage subcontractors, resolve on-site issues, and adjust workflows as necessary, focusing on meeting project specifications and achieving milestones.

 

Key differences between a general contractor vs. construction manager

Although the roles and responsibilities of a construction manager and general contractor might seem to overlap, their distinct interactions with a project’s lifecycle, functions, and associated risks set them apart.

Owner involvement

Construction managers offer an opportunity for owners to be less hands-on with daily operations, providing expertise in managing the design process and ensuring the project remains on track. In contrast, owners working directly with a general contractor need to engage more closely in overseeing project specifications and the design process.

Procurement roles

General contractors handle the procurement of labor and materials following the design phase, directly managing these aspects to fulfill the project’s requirements. Construction managers, while advising on material selections and procurement strategies during design, typically do not handle these tasks directly.

Risk and responsibility

Construction managers bear significant responsibility for monitoring project progress and validating any changes affecting scope, schedule, or budget. However, they carry less financial risk as any additional costs fall to the general contractor or owner.

Compensation models

General contractors profit from the difference between the project cost and their bid, so they aim to complete the project under budget. Construction managers, however, are paid based on billable hours, ensuring their compensation reflects their expertise and time, irrespective of the project's financial outcome.

 Understanding these distinctions can help project owners decide whether they should utilize a construction manager or general contractor, ensuring they select the right professional to meet their project’s needs and involvement preferences.

 

Deciding between a construction manager and a general contractor

Deciding between hiring a construction manager or working directly with a general contractor depends largely on the project’s scale, complexity, and the number of stakeholders involved.

 For straightforward, less expensive projects, a general contractor might be all that’s required. However, larger, more complex projects often require the specialized skills of a construction manager.

 Costly and complicated heavy construction projects, such as bridges or highways, involve numerous stakeholders. As a result, a construction manager can have a significant impact in guiding the project by managing communications and allowing the actual construction teams to focus on the tasks at hand. This ensures that the project can be executed according to plan.

 Furthermore, an owner’s available resources and desire to be involved in the day-to-day management of a project can influence the decision to hire a construction manager. If an owner has the expertise and staff to monitor the project’s progress effectively, then a construction manager might not be necessary. 

Ultimately, the choice between a construction manager and a general contractor should reflect the owner’s capacity to oversee the project and its specific needs, ensuring that whichever is chosen aligns with the goal of executing the project efficiently to successful completion.

 

Wrapping up the distinct roles of construction manager vs. general contractor

As we’ve covered the distinct roles of construction managers and general contractors, it’s clear that the choice between them hinges on the project’s complexity, scale, and the owner’s involvement level. Whether opting for the strategic oversight of a construction manager or the hands-on execution provided by a general contractor, understanding these roles ensures your project’s path to success is well-charted.

 For a more detailed look into the nuances between these two important positions, consider reading this comprehensive breakdown from the Mason Contractors Association of America (MCAA), which provides detailed definitions of general contracting and construction management.


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