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With Progressive design-build (PDB), the design-builder team is the major player in terms of design. Owners may or may not retain all intellectual property, including the designs, if they part ways with the design-builder. While PDB has been used for transit and airport projects, there hasn’t been a PDB highway project yet. But issues with the progressive design-build method still remain, said Meredith.
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The common challenge with this approach lies between awarding the Design-Build contract and following through with its implementation. It's during this time that the transfer of risk from the owner to the Design-Builder occurs. The owner selects the design-builder largely based on expertise through a Request for Qualifications (“RFQ”). The primary driver of this process is not necessarily price competition on the overall design-build contract price, but rather on the value the contractor can provide. Once the design-builder is chosen, the design-builder delivers the project in two distinct phases.
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As an offshoot of design-build, PDB shares several key elements with its parent delivery method. However, the two-stage structure of the contract creates a unique relationship that brings unique features to the table. By state statute, Maryland is required to include a price element in the selection process, so the state is taking into account “the reasonableness of price elements” in order to satisfy that requirement while still gaining the benefits of PDB.
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During the design phase, the responsibilities of each member need to be well defined, and decisions need to be made in a timely manner to keep the project on schedule. Alain draws upon more than 25 years of project management and municipal engineering experience to successfully deliver major infrastructure projects for public and private sector clients. Alain excels at defining needs, creating innovative solutions, and implementing decisions in a multi-stakeholder environment. He is currently Vice President of Infrastructure, Eastern Canada, with Colliers Project Leaders. Progressive Design-Build emerged as a project delivery model in Canada in 2020 and quickly gained traction – particularly in complex, high-risk transportation projects. The model came to light at a time when many owners, consultants and contractors were looking for relief from cost and schedule risks resulting from the COVID-19 pandemic.
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In traditional design-build delivery, the owner decides what they want built, and goes to a single company to for both the design of the construction and the execution. Design-build delivery can be elevated through PDB, which is a stepped, or progressive process. In this approach, the owner selects a team based on qualifications or best value, followed by a collaborative process toward a final design and contract price. Key features of PDB include early retention of the design-builder, selection based on qualifications rather than final project cost/price, and delivery of the project in two distinct phases. Phase One includes a budget-level design, while Phase Two includes the completion of the project's design and construction. Metro is planning to employ Progressive Design-Build (PDB), an innovative and potentially cost-efficient construction methodology, to build the light rail line.
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Additionally, Meredith explained it was essential to demonstrate the benefits of progressive design-build and how it had already been successfully implemented in other states. While not strictly a Lean practice, Design-Build does allow for more collaboration for the two teams and lends itself to the possibility of implementing Lean methods. This makes it a great starting point for any team looking to dip their toes into Lean methodology. Construction contracts are usually lengthy and complicated, composed of a wide range of documents In a perfect world, the contract provides the clarity and direction all stakeholders need to move... This public meeting is livestreamed and archived on the Finance Committee Meeting Homepage. The Finance Committee Meeting homepage also provides access to the virtual meeting, schedule, agenda, materials and minutes.
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The selection of the DB firm is based primarily on their qualifications and design proposal. Because the design and budget has yet to be determined, construction cost and schedule is not part of the bidding or procurement process. When challenged, people became creative and offered solutions to meet the operational needs. This helped the designers find new ways to simplify and detail the design to reduce costs.
The uncertainty in defining PDB stems from the different ways PDB can be implemented. However, each of these variations are based on the same idea, and thus fall under the PDB umbrella. This same idea is also the key distinguishing factor between PDB and Traditional Design-Build (TDB). PDB also attempts to address other drawbacks one can confront in TDB delivery systems.
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Under a progressive design-build contract, however, the owner initiates a single construct with a design-builder to design and complete preconstruction tasks. That bill expands authority for the use of progressive design-build by state and local agencies in California. For instance, CalTrans and various water agencies across the Golden State are increasingly adopting the project delivery method. More transportation and water agencies are adopting the project delivery method, according to a recent panel at the 2023 Design-Build Conference and Expo.
In 2018, Tipton County, a community in north central Indiana, broke ground on one of the most significant County building projects since 1895. Like many communities around the nation, the County needed to replace an aging and overcrowded jail that no longer met their needs. After an unsuccessful attempt using the traditional Design-Bid-Build (DBB) project delivery method, Tipton chose to use the progressive design-build model to support their objectives and budget. Achieving 40 to 70 percent design completion is common and even up to 100 percent in some cases.
Metro has also been working with the Federal Transit Administration on federal funding and last month received a $600 million grant through the state Transit and Intercity Rail Capital Program (TIRCP). Metro has also been holding community open houses to offer more information about upcoming construction activities and what to expect, small business support programs and introduction of project staff. The Groundbreaking Women in Construction (GWIC) conference is a leading event focusing on empowering women in the construction industry through discussions on leadership, diversity, and career development. To get that bill passed, DBIA gathered a coalition of stakeholders, including various counties, school districts and government agencies. Meredith also engaged in extensive education and outreach, not only within the design-build community but also with committee staff and legislators.
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