The National Academies Press

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From page 20... ... These pertinent issues and their interactions with different project delivery methods are presented in this chapter in the format of a descriptive pro-con analysis. The issues were identified through a literature search, past project delivery research experience, case studies, and interviews with airport authorities during this effort. Read the entire page →
From page 21... ... There is a wide variety among airport projects, which include both horizontal and vertical projects that can range in cost from a few thousand dollars to hundreds of millions of dollars. For instance, over the past 5 years, Logan International Airport's projects have ranged in cost from $10,000 to $165 million. Read the entire page →
From page 22... ... The effect of project delivery method on schedule growth control will be discussed in the next section. DBB DBB uses a sequential process that makes significant schedule compression difficult. Read the entire page →
From page 23... ... DBB DBB schedule growth tends to be higher than the schedule growth of other project delivery methods. According to NCHRP Report 561: Best-Value Procurement Methods for Highway Construction Projects, DBB projects had the greatest average time growth (Scott et al. Read the entire page →
From page 24... ... These two characteristics directly affect the performance of this project delivery method with regard to project cost control. One advantage is that there may be cost 24 A Guidebook for Selecting Airport Capital Project Delivery Methods Read the entire page →
From page 25... ... . The AASHTO Guide for Design-Build Procurement states that DB gives earlier cost certainty and has less cost growth than traditional DBB (AASHTO 2008) Read the entire page →
From page 26... ... recommended not using DBB in a complex project because DBB does not facilitate the owner's need to manage project risks. DBB can help in risk allocation through the use of unit price bids as the payment method when the project line items and their cost estimates are known, but the quantities are not known with certainty [Hartsfield-Jackson Atlanta International Airport] Read the entire page →
From page 27... ... Issue 7: Lifecycle Costs The effects of project delivery methods extend to the operation and maintenance phase. The opportunities or barriers that each project delivery method provides with regard to lifecycle costs are discussed below. Read the entire page →
From page 28... ... Issue 9: Airport Experience/Staff Capability This issue mainly concerns the experience of an airport's staff and their ability to properly administer various project delivery methods. This issue is also focused on the quality and competence of an airport's employees and the need for employees with the particular capabilities necessary for successful administration of a selected project delivery method. Read the entire page →
From page 29... ... Some owners who have used DBB in the past may be looking for ways to improve on it by involving the constructor earlier in project development and will therefore try alternative methods. Other owners are comfortable with DBB delivery and therefore hesitant to try new delivery methods [Logan International Airport] Read the entire page →
From page 30... ... codes and standards 30 A Guidebook for Selecting Airport Capital Project Delivery Methods Read the entire page →
From page 31... ... Interviews with airports did not show any project delivery methods with a clear advantage or disadvantage with regard to security. But it is expected that liability requirements and the need for employee background checks may reduce bid competition, and daily security checks at the entrance gates for laborers and construction deliveries would increase the schedule and increase project costs. Read the entire page →
From page 32... ... 32 A Guidebook for Selecting Airport Capital Project Delivery Methods Read the entire page →
From page 33... ... Some of these issues, such as the experience and capability of airport staff, play an important role if a switch is being made from the traditional DBB project delivery method to alternative delivery methods such as CMR and DB. Many airports prefer to use DBB unless their goals cannot be readily achieved by this traditional project delivery method. Read the entire page →
From page 34... ... Usually, the minimum level (as well as the desired target level) of 34 A Guidebook for Selecting Airport Capital Project Delivery Methods Read the entire page →
From page 35... ... The interactions between each project delivery method and legal and statutory constraints are explored below. DBB DBB is accepted as a delivery method for an airport project by all state codes. Read the entire page →
From page 36... ... This method presents opportunities to promote and enhance sustainable design criteria by allowing for materials research and the development of strategic 36 A Guidebook for Selecting Airport Capital Project Delivery Methods Read the entire page →
From page 37... ... Delivery methods define the relationships among all project parties. If the project delivery method encourages project parties to Advantages and Disadvantages of Each Project Delivery Method 37 Read the entire page →
From page 38... ... . The QBS methodology creates an effective deterrent to initiating claims by requiring the CMR to 38 A Guidebook for Selecting Airport Capital Project Delivery Methods Read the entire page →
From page 39... ... This description, in turn, can be used to help identify the strengths or weaknesses of each delivery method in relation to important factors that can affect project goals. This analysis provides a broad picture of the issues affecting project delivery methods and develops a basis for the decision system that is introduced in the chapters that follow. Read the entire page →

From page 20...

... These pertinent issues and their interactions with different project delivery methods are presented in this chapter in the format of a descriptive pro-con analysis. The issues were identified through a literature search, past project delivery research experience, case studies, and interviews with airport authorities during this effort.