Project Delivery Methods: DBB, DB, CMAR
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Questions and Answers

In a Design-Bid-Build (DBB) project delivery method, what is the primary characteristic that defines its structure?

  • The project is divided into sequential phases: Design, Bid, and then Construction. (correct)
  • Selection of the contractor based on qualifications rather than price.
  • Overlapping of design and construction phases to accelerate project completion.
  • A single entity is responsible for both design and construction, fostering a unified approach.

Which term is commonly used as an alternative name for the Design-Bid-Build (DBB) project delivery method?

  • Integrated Project Delivery (IPD)
  • Design-Build (DB)
  • Construction Manager at Risk (CMAR)
  • Hard Money or Competitive Bid Contract (correct)

What is a key element to consider when selecting a project delivery method?

  • The type of landscaping to be used around the building.
  • The brand of computers used by the design team.
  • The contractual structure that will govern the parties involved. (correct)
  • The color scheme of the final structure.

What aspects are critical to understand when learning about different project delivery methods?

<p>Contractual structure, advantages and limitations, and estimating needs. (C)</p> Signup and view all the answers

In the context of project management, what does 'procurement criteria' primarily define?

<p>The process and standards used to acquire goods or services for the project. (B)</p> Signup and view all the answers

In a GC/CM project delivery method, at what stage of drawing completion is the GC/CM typically brought in?

<p>Prior to drawing completion, typically between 30% to 99% completion (C)</p> Signup and view all the answers

Which of the following is NOT typically a function of the GC/CM during a project?

<p>Overseeing the design of the project (C)</p> Signup and view all the answers

Under a CMAR arrangement, how many times can a contractor potentially contract for the same project?

<p>Potentially twice, once as a CM with a fee, and again as a GC with a GMP. (A)</p> Signup and view all the answers

In a CMAR project, which party CANNOT act as the Construction Manager?

<p>The lender providing project financing (A)</p> Signup and view all the answers

For projects utilizing phased contracts without a GMP by the CM/GC, what level of estimating detail is required?

<p>Detailed estimates for each phased contract (A)</p> Signup and view all the answers

In a Design-Build delivery method, what is the contractor responsible for, in addition to construction?

<p>Design and construction. (D)</p> Signup and view all the answers

In the context of project delivery methods, which of the following sequences accurately represents the evolution from traditional to more integrated approaches?

<p>Design-Bid-Build -&gt; CMAR -&gt; Design-Build (B)</p> Signup and view all the answers

In a Design-Bid-Build (DBB) project delivery method, what is the primary role of the Architect/Engineer (A/E) during the construction phase?

<p>Providing general supervision to ensure the project is built according to the design documents. (B)</p> Signup and view all the answers

Clemson University's facilities division seeks a delivery method for a new technology lab. A fixed timeline and budget are critical, and they can perform quality checks. Which delivery method is best suited?

<p>Construction Manager at Risk (CMAR), balancing collaboration and risk management. (D)</p> Signup and view all the answers

Which of the following best describes a key characteristic of the traditional Design-Bid-Build (DBB) project delivery method?

<p>The project is built &quot;on paper&quot; before physical construction begins, with a single construction contract. (A)</p> Signup and view all the answers

What is a potential disadvantage of the Design-Bid-Build (DBB) project delivery method regarding project changes?

<p>Changes can be difficult and costly to implement once construction has commenced. (B)</p> Signup and view all the answers

In the context of Design-Bid-Build (DBB), when are detailed and accurate estimates most critical?

<p>Upon the completion of design documents, prior to bidding. (A)</p> Signup and view all the answers

Under what conditions is industry participation most crucial in a Design-Bid-Build (DBB) project's success?

<p>During the feasibility and design phases to secure constructible and cost-effective solutions. (C)</p> Signup and view all the answers

What is a defining factor in the selection process of a GC/CM (General Contractor/Construction Manager) at Risk?

<p>Not selected solely on price (D)</p> Signup and view all the answers

Why might an owner choose a CM at Risk delivery method over Design-Bid-Build?

<p>To expedite the project schedule through overlapping design and construction phases. (D)</p> Signup and view all the answers

What is the purpose of preliminary estimates in the Design-Bid-Build (DBB) method?

<p>Keep the estimated bid price within budget. (B)</p> Signup and view all the answers

Flashcards

Project Delivery Methods

Various approaches to constructing a project, impacting time, cost, and quality.

Design-Bid-Build (DBB)

A traditional project delivery method with three phases: Design, Bid, and Construction.

Contractual Structure

The framework outlining the agreements and responsibilities in a project.

Advantages and Limitations

Pros and cons of each project delivery method, influencing choice.

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Types of Estimates

Different methods of calculating project costs at various stages.

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GC/CM Functions

Roles of General Contractor/Construction Manager including budgeting, scheduling, and subcontractor coordination.

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CMAR Roles

Construction Manager at Risk can contract twice for fee and GMP without extra profit.

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Varieties of CM

Different parties can act as Construction Managers, including GC, separate firms, A/E, or owners.

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CMAR Definition

There is no single standardized definition of CMAR structure.

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Estimating Needs in CMAR

Requires detailed estimates for phased contracts and conceptual estimates for cost control.

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Design-Build Concept

A single source delivery method where CM and A/E work together during design and construction phases.

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Advantages of Design-Build

Streamlined communication and efficiency by having one entity manage both design and construction.

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Disadvantages of Design-Build

Potential risks include lack of checks and balances and less competition among contractors.

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Architect-Engineer (A/E)

A design consultant responsible for project plans and supervision.

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Design Phase

Initial phase where the project is outlined and designed.

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Bid/Award

The process of inviting bids and selecting contractors for a project.

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Construction Phase

Time when the actual building occurs based on designs.

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DBB (Design-Bid-Build)

A traditional construction method where design, bid, and build are separate.

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CM at Risk

A project delivery method where the construction manager assumes the risk of project delivery.

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Estimating Needs for DBB

The process of developing accurate cost estimates for a DBB project.

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Contract Construction

The legal agreement to perform construction services for a project.

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Study Notes

Lecture 1: Project Delivery Methods

  • The lecture covers various project delivery methods, including their contractual structures, advantages, limitations, and estimating needs.
  • Project delivery methods discussed: Design-Bid-Build (DBB), Design-Build (DB), Construction Manager at Risk (CMAR), and Single Source Delivery.
  • Procurement criteria can be price/cost-based, quality-based, or a combination of both.
  • Compensation types include lump sum, GMP (guaranteed maximum price), and cost-plus.
  • Types of estimates include conceptual, preliminary, and detailed.

Learning Objectives

  • Students will learn different project delivery methods.
  • Students will identify the contractual structures.
  • Students will understand advantages and limitations of each method.
  • Students will learn how to estimate project needs.

Background

  • The lecture discusses DBB, DB, CMAR, and IPD (Integrated Project Delivery) as project delivery methods.
  • Procurement criteria vary and could be price/cost based, quality based, or a combination of both.
  • The lecture also mentions different compensation types, such as lump sum, GMP, and cost-plus.

Traditional Method (DBB)

  • Also known as Design-Bid-Build or hard money.
  • Usually involves three sequential phases: Design, Bid/Award, and Construction (Architect-Engineer hired).
  • This method follows a traditional sequential flow.

Traditional Organization of Construction

  • Detailed organizational structure of the DBB process is shown for clearer understanding.

DBB Contractual Structure

  • The lecture provides a diagram illustrating the contractual relationships (Owner, Design/Engineer, General Contractor, and Subcontractors).

Advantages of DBB

  • The design professional (DE/A) acts as the owner's agent during construction.
  • Design is fully developed before bidding.
  • Bidding allows for competitive pricing.

Disadvantages of DBB

  • The process is sequential therefore, longer.
  • Design process lacks constructability review.
  • Conflicts between the design team (DE/A) and GC may arise.

Estimating Needs for DBB

  • Accurate detailed estimates are needed for completed documents.
  • Conceptual estimates are for design/engineer fee.
  • Preliminary estimates are essential to keep bid price within budget.

CMAR at Risk

  • Owner is at risk in the CMAR method.
  • The diagram illustrates the relationship between Owner, DE/A, CM/GC, and Subcontractors.

Basics of CMAR

  • The GC/CM is not solely selected based on price.
  • They are brought in before design completion.
  • Participation varies from 30% to 99% complete drawings.
  • Functions include budget and schedule development, analysis, constructability/value engineering, subcontractor coordination.

Advantages of CMAR

  • CM/GC is not selected solely based on price
  • Fast-Track Construction with phasing
  • Constructability reviews available during design phase

Disadvantages of CMAR

  • GMP may not be the best price.
  • Construction begins before design is completed.
  • Potential for conflict between DE/A and GC during construction phase.

Estimating Needs for CMAR

  • Detailed estimates for phased contracts if not done by CM/GC using a GMP
  • Conceptual & Preliminary estimates for cost control or GMP

Design-Build (DB)

  • Single-source delivery method.
  • One entity (CM/A/E or Design-Builder).
  • A single contract covering design and construction.

Advantages of DB

  • Single point of responsibility, Fast-Track construction.
  • Fewer claims/change orders and it’s possible to have the construction finished in shorter time.

Disadvantages of DB

  • Owner involvement reduces.
  • Fewer checks and balances in the process.
  • No competitive bidding.

Estimating Needs of Single Source Delivery

  • Conceptual estimate!
  • Update your estimate as design develops.

Evolution of Delivery Processes

  • The lecture visually presents a timeline of different project delivery methods (DBB, DB, CMAR).

Case Study

  • Clemson University is considering a technology lab project.
  • They need to hire a contractor and architect for their new technology lab
  • The project requires a delivery method that meets time and budget constraints, ensures quality, and minimizes risk.

Learning Objectives (Review)

  • Review different project delivery methods. Identify advantages, limitations and estimation needs.

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Description

Explore project delivery methods like Design-Bid-Build (DBB), Design-Build (DB), and Construction Manager at Risk (CMAR). Understand contractual structures, advantages, and estimate project needs. Learn about procurement criteria and compensation types.

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