Status of Design-Build in the US Water and Wastewater Sectors - Design-Build for Water and Wastewater Projects - page 26

an “arms-length” and sometimes adversarial relationship between the designer and
the builder and put ultimate responsibility for the project with the owner.
•Value-basedselection. In a DBB project, the builder is typically selected solely on
the basis of price. In DB, the owner can specify a range of criteria in addition to low
price when awarding the contract. Selection factors include the design-builder's
experience with similar projects, innovative ideas for meeting project objectives,
and ability and willingness to work as a team with the owner's staff.

Other
17%

Water
41%

Conveyance
6%

Wastewater
36%

Figure 3-3. Percentage of surveyed project types for water versus wastewater infra-
structure for 2005-2010
Source: Water Design-Build Council Proprietary Contract Database.

>$50M
8%

<$500k
16%

$10M-$50M
17%

$500k-$1M
20%

$5-10M
14%

$1M-$5M
25%

Figure 3-4. Percentage of projects by sales value for 2005-2010
Source: Water Design-Build Council Proprietary Contract Database.