1. Innovative Delivery Methods for Highway Infrastructure
Seminario de infraestructura Universidad de los Andes Bogota, Colombia
Keith R. Molenaar
University of Colorado
SIIC UNIANDES 2017
11 October 2017

2. Innovative Delivery Methods for Highway Infrastructure
Learning Objectives
Define US highway project delivery methods
Describe project delivery method performance
Demonstrate how to select appropriate delivery method
SIIC UNIANDES 2017
11 October 2017

3. Innovative Delivery Methods for Highway Infrastructure
US Highway Success
National system
National standards
Free to the public
Creates work for public and private sectors
SIIC UNIANDES 2017
11 October 2017

4. Innovative Delivery Methods for Highway Infrastructure
US Highway Challenges
Deterioration
Traffic congestion
Smaller public sector
Time to design and build new projects
SIIC UNIANDES 2017
11 October 2017

5. United States Highway Project Delivery Methods
Evolution of Highway Project Delivery Methods
1800 B.C.
Code of
Hammurabi
(Design-Build)
450 B.C.
Classical Greece
(Design-Build)
1200 A.D.
Middle Ages
Cathedrals
(Design-Build)
1450
Renaissance
Emergence of Design- Bid-Build
1900s
US Highway Built by Lowest Bidder
1990s
US Highway Special Experimental Programs
Design-Build Law for US Highways
2002
Construction Manager General Contractor Law for US Highways
2012
SIIC UNIANDES 2017
11 October 2017

6. United States Highway Project Delivery Methods
SIIC UNIANDES 2017
11 October 2017

7. US Highway Project Delivery Performance
How do highway project delivery methods impact performance?
Project schedule?
Cost certainty?
Cost growth?
SIIC UNIANDES 2017
11 October 2017

8. US Highway Project Delivery Performance
How do highway project delivery methods impact performance?
3-year research study
15 researchers and 25+ reviewers
Data collected from 291 completed projects
Case studies of best and worst projects
SIIC UNIANDES 2017
11 October 2017

9. US Highway Project Delivery Performance
Data Collection Goals
Collect the largest highway project delivery database
Collect only completed projects
Geographic
Project type
Project size
Project complexity
SIIC UNIANDES 2017
11 October 2017

10. US Highway Project Delivery Performance
Two-step approach
Contract admin databases
Project manager questionnaires
SIIC UNIANDES 2017
11 October 2017

11. US Highway Project Delivery Performance
SIIC UNIANDES 2017
11 October 2017

12. US Highway Project Delivery Performance
SIIC UNIANDES 2017
11 October 2017

13. US Highway Project Delivery Performance
SIIC UNIANDES 2017
11 October 2017

14. US Highway Project Delivery Performance
SIIC UNIANDES 2017
11 October 2017

15. US Highway Project Delivery Performance
Research Data Collection
291 projects
134 D-B-B projects
34 CM/GC projects
39 D-B/LB projects
84 D-B/BV projects
28 agencies
Completed
SIIC UNIANDES 2017
11 October 2017

16. US Highway Project Delivery Performance
Project Complexity
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11 October 2017

17. D-B-B Project Complexity
US Highway Project Delivery Performance
D-B-B Project Complexity
SIIC UNIANDES 2017
11 October 2017

18. CM/GC Project Complexity
US Highway Project Delivery Performance
CM/GC Project Complexity
SIIC UNIANDES 2017
11 October 2017

19. D-B Project Complexity
US Highway Project Delivery Performance
D-B Project Complexity
SIIC UNIANDES 2017
11 October 2017

20. US Highway Project Delivery Performance
Average Project Cost
Contract Method
Mean
Median
Min.
Max.
D-B-B (n=134)
$20,286,637
$12,438,075
$183,202
$252,052,326
CM/GC (n=34)
$36,328,010
$19,167,399
$1,390,828
$235,936,099
D-B/LB (n=39)
$10,646,348
$4,384,177
$69,108
$68,826,264
D-B/BV (n=77)
$43,364,854
$22,127,526
$622,317
$357,760,287
SIIC UNIANDES 2017
11 October 2017

21. US Highway Project Delivery Performance Average Project Schedule
Contract Method
Mean Cost ($)
Mean Project Duration (Days)
Mean Agency Design Duration (Days)
Mean Construction Duration (Days)
D-B-B (n=74)
$21,687,447
1,774
932
642
CM/GC (n=24)
$41,368,952
929
361
511
D-B/LB (n=18)
$12,249,585
889
268
435
D-B/BV (n=21)
$48,532,458
1,516
662
837
SIIC UNIANDES 2017
11 October 2017

22. US Highway Project Delivery Performance
Average schedule for D-B-B & D-B/LB projects between $2M-10M
Contract Method
Mean Cost ($)
Mean Project Duration (Days)
Mean Agency Design Duration (Days)
Mean Construction Duration (Days)
D-B-B (n=19)
$4,958,329
1,506
795
508
D-B/LB (n=10)
$4,745,533
773
181
380
SIIC UNIANDES 2017
11 October 2017

23. US Highway Project Delivery Performance
Average schedule for D-B-B & D-B/LB projects between $2M-10M
SIIC UNIANDES 2017
11 October 2017

24. US Highway Project Delivery Performance
Ave Schedule for D-B-B, CM/GC and D-B/BV Projects between $10M-50M
Contract Method
Mean Cost ($)
Mean Project Duration (Days)
Mean Agency Design Duration (Days)
Mean Construction Duration (Days)
D-B-B (n=34)
$21,188,585
2,130
1,139
818
CM/GC (n=10)
$23,912,981
662
281
349
D-B/BV (n=10)
$18,604,503
1,420
638
639
SIIC UNIANDES 2017
11 October 2017

25. US Highway Project Delivery Performance
Timing of Award for D-B-B, CM/GC & D-B/LB Projects between $10M-50M
SIIC UNIANDES 2017
11 October 2017

26. US Highway Project Delivery Performance
Average Project Intensity
Contract
Method
Mean Cost
($)
Mean Project
Intensity
($/Days)
D-B-B (n=74)
$21,687,447
$12,802
CM/GC (n=24)
$41,368,952
$46,450
D-B/LB (n=18)
$12,249,585
$12,816
D-B/BV (n=21)
$48,532,458
$28,527
SIIC UNIANDES 2017
11 October 2017

27. US Highway Project Delivery Performance
Project Award Growth per Delivery Method
Contract Method
Mean (%)
Standard Deviation
D-B-B (n=129)
-9%
18%
CM/GC (n=31) 3% 6%
D-B/LB (n=37)
-5%
32%
D-B/BV (n=78)
-7%
22%
CM/GC closest to EE (mean & std deviation)
SIIC UNIANDES 2017
11 October 2017

28. US Highway Project Delivery Performance
Summary of Findings
Innovative delivery methods
Are used on all project costs
Are used on all project complexities
Reducing project schedules
CM/GC is generally the fastest
CM/GC can cost more at award
SIIC UNIANDES 2017
11 October 2017

29. Selecting Project Delivery Methods
Project Delivery Selection Matrix
SIIC UNIANDES 2017
11 October 2017

30. Selecting Project Delivery Methods
Develop project goals and identify project constraints
Evaluate the primary factors
1. Delivery schedule
2. Complexity and innovation
3. Level of design
4. Cost
5. Initial project risk assessment
Evaluate the secondary factors
6. Staff experience / availability
7. Level of oversight and control
8. Competition and contractor experience
SIIC UNIANDES 2017
11 October 2017

31. Innovative Delivery Methods for Highway Infrastructure
Learning Objectives
Define US highway project delivery methods
Describe project delivery method performance
Demonstrate how to select appropriate delivery method
SIIC UNIANDES 2017
11 October 2017