|
|
Process Review On Change Orders - Table Data For Images
Return to Review
Figure 1 - CO Date To Contractor Date
| Number of COs | Time From CO Date To Contractor Date (Working Days) |
|---|
| 36 | 0 |
| 27 | 1 |
| 24 | 2 |
| 8 | 3 |
| 14 | 4 |
| 8 | 5 |
| 6 | 6 |
| 4 | 7 |
| 3 | 8 |
| 3 | 10 |
| 2 | 11 |
| 1 | 13 |
| 1 | 14 |
| 1 | 20 |
| 1 | 29 |
| 2 | 44 |
| 1 | 87 |
Return to Review
Figure 2 - Contractor To Project Engineer
| Number of COs | Time From Contractor To Project Engineer (Working Days) |
|---|
| 55 | 0 |
| 23 | 1 |
| 25 | 2 |
| 11 | 3 |
| 2 | 4 |
| 4 | 5 |
| 4 | 6 |
| 2 | 7 |
| 3 | 8 |
| 4 | 9 |
| 1 | 20 |
| 1 | 24 |
| 1 | 30 |
Return to Review
Figure 3 - Project Engineer to District Engineer
| Number of COs | Time From Project Engineer To District Engineer (Working Days) |
|---|
| 20 | 0 |
| 10 | 1 |
| 5 | 2 |
| 2 | 3 |
| 4 | 4 |
| 3 | 5 |
| 1 | 6 |
| 4 | 7 |
| 1 | 8 |
| 1 | 10 |
| 1 | 11 |
| 1 | 12 |
| 2 | 14 |
| 3 | 16 |
| 1 | 18 |
| 1 | 29 |
Return to Review
Figure 4 - District Engineer to Director of Operations
| Number of COs | Time From District Engineer To Director of Operations (Working Days) |
|---|
| 0 | 0 |
| 3 | 1 |
| 8 | 2 |
| 4 | 3 |
| 5 | 4 |
| 4 | 5 |
| 1 | 11 |
| 1 | 14 |
| 1 | 21 |
Return to Review
Figure 5 - Director of Operations to FHWA
| Number of COs | Time From Director Of Operations To The FHWA (Working Days) |
|---|
| 0 | 0 |
| 1 | 3 |
| 1 | 4 |
| 1 | 5 |
| 2 | 7 |
| 1 | 8 |
| 1 | 9 |
| 1 | 11 |
| 2 | 12 |
| 1 | 20 |
| 1 | 31 |
Return to Review
Figure 6 - Total Time - All Change Orders Evaluated
| Number of COs | Working Days |
|---|
| 21 | 0 |
| 19 | 1 |
| 13 | 2 |
| 9 | 3 |
| 7 | 4 |
| 6 | 5 |
| 5 | 6 |
| 3 | 7 |
| 2 | 8 |
| 4 | 9 |
| 3 | 10 |
| 3 | 11 |
| 3 | 12 |
| 4 | 13 |
| 3 | 14 |
| 2 | 16 |
| 1 | 18 |
| 1 | 19 |
| 1 | 20 |
| 1 | 21 |
| 1 | 23 |
| 1 | 24 |
| 1 | 26 |
| 2 | 28 |
| 1 | 30 |
| 1 | 34 |
| 1 | 35 |
| 1 | 40 |
| 1 | 46 |
| 1 | 47 |
| 1 | 65 |
| 1 | 68 |
| 1 | 113 |
Return to Review
Figure 7 - Change Order Documentation
| Quality | Percent |
|---|
| Adequate | 76 |
| Not Adequate | 21 |
| Questionable | 3 |
Return to Review
Figure 8 - Documentation for Cost
| Quality | Percent |
|---|
| Adequate | 55 |
| Not Adequate | 43 |
| Questionable | 2 |
Return to Review
Figure 9 - Consultation With Central Divisions
| Documentation | Percent |
|---|
| Yes | 21 |
| Not Documented | 79 |
Return to Review
Figure 10 - Ave. # of C.O./project type
| Project Type | # of projects | Ave. # of C.O./project type |
|---|
| CPR | 3 | 2.67 |
| HBP | 6 | 4.5 |
| Structures | 2 | 4 |
| Grading | 4 | 6.5 |
| Urban | 6 | 5 |
| Conc. Recon. | 5 | 10.4 |
| Blended Base | 2 | 4.5 |
Return to Review
Figure 11 - C.O. by project type
| Project Type | # of C.O. | Total Cost of C.O. |
|---|
| CPR | 8 | $505,000 |
| HBP | 27 | $205,000 |
| Structures | 8 | $15,000 |
| Grading | 26 | $940,000 |
| Urban | 30 | $430,000 |
| Conc. Recon. | 52 | $1,000,000 |
| Blended Base | 9 | $140,000 |
Return to Review
Figure 12 - Change orders by purpose
| C.O. Purpose | # of C.O. |
|---|
| Plan | 137 |
| Specification | 14 |
| Cost | 15 |
| Time | 21 |
| Other | 10 |
Return to Review
Figure 13 - Change orders by purpose.
| C.O. Purpose | % cost of all C.O. |
|---|
| Plan | 94.52% |
| Specification | 0.21% |
| Cost | 0.81% |
| Other | 4.46% |
Return to Review
Figure 14 - Breakdown of Change Orders (Plan)
| Reason for change in plans | Percent of C.O. |
|---|
| Omission/Error | 46.90% |
| District Revision | 34.48% |
| Lack of Data | 9.66% |
| Changed Conditions | 8.97% |
Return to Review
Figure 15 - Breakdown of Change Orders (Plan)
| Reason for change in plans | Percent of total cost |
|---|
| Omission/Error | 32.49% |
| District Revision | 20.14% |
| Lack of Data | 18.65% |
| Changed Conditions | 28.73% |
|
Contact
Construction Feedback
E-mail Construction
|
| |
Updated: 04/04/2011 |
|
