4.1 Project Delivery & Phases

Introduction to Project Delivery and Phases

For the North Carolina General Contractor licensing exam, a thorough understanding of project delivery systems and the phases of a construction project is paramount. Project delivery defines the contractual relationships between the owner, designer (architect/engineer), and the builder (general contractor). It dictates how risk is allocated, how project costs are estimated, and how timelines are managed. A significant portion of the exam focuses on your ability to distinguish between these methods and apply the correct rules to hypothetical scenarios involving contract disputes, changes in scope, or scheduling delays.

The project life cycle provides the structural framework for taking a project from a conceptual idea to a completed structure. Each phase has distinct deliverables, legal requirements, and financial milestones. Knowing when specific activities occur—such as obtaining permits, issuing a Notice to Proceed, or drafting a punch list—is critical for passing the exam and operating legally in North Carolina.

Project Delivery Methods

The choice of project delivery method is one of the most critical decisions an owner makes. It influences the entire trajectory of the project. We will explore the three primary methods you must master for the exam: Design-Bid-Build (DBB), Design-Build (DB), and Construction Management at Risk (CMAR).

1. Design-Bid-Build (DBB)

Design-Bid-Build is the traditional and most widely recognized project delivery method. In this model, the owner holds two separate contracts: one with the designer (architect/engineer) and one with the general contractor.

• The Process: The owner hires a designer to create complete, 100% finished construction documents (plans and specifications). Once the design is complete, the project is put out for bid to general contractors. Contractors review the documents and submit a firm lump-sum price. The owner typically selects the lowest responsive and responsible bidder.
• Advantages: DBB offers the owner a known, upfront cost before construction begins (assuming no changes). It also fosters a highly competitive bidding environment, potentially lowering the initial construction cost.
• Disadvantages: This method has the longest overall project duration because construction cannot begin until the design is entirely finished. Furthermore, the contractor has no input during the design phase, which can lead to constructability issues, numerous Requests for Information (RFIs), and costly change orders. The owner assumes the risk for any errors or omissions in the design documents.

2. Design-Build (DB)

Design-Build is a rapidly growing delivery method where the owner holds a single contract with a single entity—the design-builder—to perform both design and construction services.

• The Process: The owner develops a preliminary scope of work and conceptual criteria. They then select a design-build team (often a joint venture between a contractor and an architect, or a company with in-house design and construction capabilities) based on qualifications, proposed design, and estimated cost.
• Advantages: DB allows for "fast-tracking," where construction can begin on certain elements (like foundation and site work) before the final architectural finishes are completely designed. This can reduce the overall project schedule by 20% to 30%. It also provides single-point responsibility; if there is a problem, the owner points to one entity rather than navigating disputes between the architect and the contractor.
• Disadvantages: The owner has less control over the final design details once the initial criteria are set. Additionally, establishing a firm final price early in the process is difficult without complete design documents.

3. Construction Management at Risk (CMAR)

In the CMAR method, the owner hires a Construction Manager (CM) early in the design phase to act as an advisor, providing preconstruction services such as cost estimating, scheduling, and constructability reviews.

• The Process: As the design approaches completion (usually around 75-90%), the CM provides a Guaranteed Maximum Price (GMP). This is the absolute maximum amount the owner will pay for the project, provided the scope does not change. If the project comes in under budget, the savings are often shared between the owner and the CM.
• Advantages: CMAR combines the benefits of early contractor involvement (like DB) with the owner retaining separate contracts for design and construction (like DBB). The GMP provides cost certainty before the design is entirely finished.
• Disadvantages: If the initial GMP is established too early based on incomplete drawings, the CM assumes significant financial risk. If the design later incorporates elements not anticipated in the GMP, disputes over scope and change orders are likely.

The Five Phases of a Construction Project

Regardless of the delivery method, most construction projects follow a standard five-phase life cycle. You must understand the specific responsibilities of the general contractor in each phase.

Phase 1: Project Initiation

This is the conceptual phase. The owner identifies a need (e.g., a new hospital wing or a retail center) and determines if the project is financially viable. For the general contractor, involvement in this phase is minimal unless operating under a Design-Build or CMAR model where they are consulted for early feasibility studies.

Phase 2: Project Planning and Design

During this phase, the project is defined in detail. Plans and specifications are developed, budgets are established, and schedules are drafted.

• Key Activities: For traditional DBB projects, the contractor's involvement begins at the end of this phase with the bidding process. The contractor reviews the bid documents, performs quantity takeoffs, solicits subcontractor quotes, and submits a final bid.
• Exam Trap: Remember that under DBB, the contractor is generally not liable for design flaws unless they are obvious errors that any reasonably competent contractor should have noticed and reported before bidding.

Phase 3: Project Execution (Construction)

This is the physical construction of the project. It begins when the owner issues a Formal Notice to Proceed (NTP), which officially starts the clock on the project schedule.

• Key Activities: Mobilization on-site, obtaining building permits, managing subcontractors, ordering materials, implementing safety programs, and physical building activities.
• Critical Milestone - Substantial Completion: This is one of the most tested concepts on the exam. Substantial completion is the point at which the owner can occupy the building and use it for its intended purpose, even if minor cosmetic work remains. Achieving substantial completion stops the assessment of liquidated damages and transfers primary responsibility for the property (insurance, utilities, security) back to the owner.

Phase 4: Monitoring and Controlling

This phase occurs concurrently with execution. It involves tracking the project's actual progress against the planned schedule and budget.

• Key Activities: Processing submittals and RFIs, managing change orders, conducting weekly site meetings, tracking labor hours and material costs, and updating the Critical Path Method (CPM) schedule.
• Change Orders: Any modification to the scope of work, contract price, or contract time must be documented and signed by the owner, architect, and contractor as a formal Change Order.

Phase 5: Project Closeout

Closeout is the final, often frustrating phase where the project is officially wrapped up.

• Key Activities: Completing the punch list (a list of minor defects or incomplete items identified after substantial completion), turning over as-built drawings and operation & maintenance (O&M) manuals, obtaining the Certificate of Occupancy (CO) from the local building department, conducting final inspections, and releasing final payment (including any withheld retainage).
• Exam Focus: A contractor cannot typically demand final payment until all punch list items are completed and the owner has formally accepted the project.