Title: Constructability Reviews
1(No Transcript)
2 Constructability Reviews Post Construction
Reviews
National Survey Results
AASHTO Subcommittee on Construction
August 1-5, 1999 New Orleans, Louisiana
3AASHTO Strategic Plan
Strategy 5-4 Identify and advocate cost savings
associated with constructability reviews between
designers construction personnel encourage
participation by contractors suppliers during
design.
Main Objective To develop best practices guide
for construction and post-construction reviews.
4Subcommittee Action Plan
1. Conduct survey to determine current
practice 2. Develop best practices guidelines 3.
Develop plan for industry involvement 4.
Initiate related research
Work to be complete by August 2000
5Constructability Post-Construction Review Survey
Survey sent to all 50 States, Puerto Rico
Canada - 90 responded
6Constructability Reviews
A process that utilizes experienced construction
personnel with extensive construction knowledge
early in the design stages of projects to ensure
that the projects are buildable, while also being
cost effective, bidable, and maintainable
71. Does your state currently have a
constructability review process?
26
74
Yes
No
50 of All Respondents Have a Documented Process
Constructability Reviews
82. At what point in the design process
are these reviews held?
15
35
15 Design
60 Design
95 Design
Other
27
23
Constructability Reviews
93. What types of projects do you consider
as candidates for constructability reviews?
59
All Projects
6
13
Major Urban
Interstate
Bridge Projects Only
22
Other
Projects gt Specific
Constructability Reviews
104. Where does the construction expertise
come from in these reviews?
6
Department Construction Personnel
38
Consultants
Contractors
Hire Retired Contractor
88
41
Other
Constructability Reviews
115. If contractors are used for these
reviews, how are they selected?
6
AGC
12
All
Outside Geographic Area
12
70
Pre-bid
88 of the respondents stated that if contractors
were used they were allowed to bid.
Constructability Reviews
126. Do you have a method of quantifying
the benefits of these reviews (cost, time
savings,etc.
88 have no method to quantify these benefits
Documented reduced overruns
Constructability Reviews
137. Do you have documented costs for
performing these reviews?
97 have no documented costs for performing
these reviews
Florida, Georgia
Constructability Reviews
148. Do you have any suggestions for
methods of evaluating cost savings or other
benefits?
Track number, type of change orders claims
Constructability Reviews
159. If you have not implemented a
constructability review program, what has
prevented you from doing so?
Lack of Upper Management Support
25
5
Funding
Staffing Issues
55
Other
15
Constructability Reviews
1610. Who Coordinates these reviews for
your organization?
Design Project Engineer - 14 Project Manager -
3 District, Resident - 1 each Design Coordinator
- 1 Traffic Control Project Engineer - 1 Others...
Constructability Reviews
1711. Do you have any success stories or
failures to share relating to your
constructability process?
California Connecticut Delaware Washington North
Carolina
Constructability Reviews
1812. Even if you have not been able to
directly quantify benefits of these
reviews, what benefits do you feel they
have produced?
Fewer change orders, better plans, fewer claims,
reduced contract time, safer designs, education,
higher quality, reduced impacts to motorists,
better understanding of project by construction
personnel prior to construction
Constructability Reviews
19Post-Construction Reviews
A review process that provides feedback to both
designers construction personnel regarding
recently finished projects
20Post-Construction Reviews
13. Does your agency perform post-
construction reviews?
59 responded that they perform these reviews
Post-Construction Reviews
2114. If so, on what types of projects are
these performed?
23
20
All Projects
Major Projects
Projects With
Many Problems
During
Construction
15
42
Other
Post-Construction Reviews
2215. What benefits have you gained from
these post-construction reviews?
Eliminate repeated mistakes Feedback to
design Education process Increased
communication Modification of specifications Addre
ss maintenance concerns
Post-Construction Reviews
2316. Who participates in these reviews?
Contractors - 73 Agency Construction Staff
-96 Agency Design Staff - 100 Agency
Maintenance Staff - 65 Other - 23
Post-Construction Reviews
2417. Do you have an innovative program that
you would like to share?
North Carolina New Jersey Wisconsin Maine
Constructability Post-Construction Reviews
25Questions?
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