| Risk 1 |
Permitting and Interagency Agreements |
Permits required from approval agencies could be delayed; intergovernmental agreements betweeen grantee and other agencies might not be concluded on schedule. |
- A. Design & Permitting
- D. Transit Construction
|
Positive between Cost and Schedule (i.e. Duration) of Both Components A & D |
25% (0.25) |
Triangular (see Fig 4-7 "C") |
|
Triangular (see Fig 4-7 "C") |
|
| Risk 2 |
FFGA Approval |
Grantee documentation of readiness to enter into full funding grant agreement negotiations with FTA might require further revisions, thereby delaying the anticipated FFGA approval date. |
B. FFGA Approval |
|
10% |
No Significant Effect |
No Significant Effect |
Discrete (see Fig 4-6 "B")
- 1 mos.=50%
- 2 mos.=30%
- 4 mos.=20%
|
2 mos. |
| Risk 3 |
Station Design |
Changes in stations features could occur late in final design and/or during early construction due to community concerns, requiring additional design effort and delaying start of certain construction activities. |
C. Station Construction |
Positive between Cost and Schedule (Delay=Higher Costs) |
30% |
Exponential (Fig. 4-7 "F") |
$10.0m |
Lognormal (Fig. 4-7 "E") |
5 mos. |
| Risk 4 |
Right-of-Way Cost and Availability |
Property costs are undertain and possibly higher than anticipated; the acquisition schedule, including obtaining of construction easements, could be extended. |
D. Transit Construction |
Positive between Cost and Schedule |
50% |
Lognormal (Fig. 4-7 "E") |
$30.0m |
Lognormal (Fig. 4-7 "E") |
6 mos. |
| Risk 5 |
Utility Relocations |
Locations of certain utilities are unknown and their relocation could be required. |
D. Transit Construction |
|
20% |
Lognormal (Fig. 4-7 "E") |
$5.0m |
Uniform (Fig. 4-7 "A") |
6 mos. |
| Risk 6 |
Changing Market Conditions |
The construction market is changing, with bid prices on similar work components on other projects varying considerably. Procurement costs for major project components could be higher than estimated. |
- C. Station Construction
- D. Transit Construction
- E. Vehicle Design
- F. Systems Installation
- G. Vehicle Manufacture
|
Positive among Costs of Components C-G |
100% |
Normal (Figure 4-7 "D") |
- C. $4.7m
- D. $5.9m
- E. $0.7m
- F. $4.5m
- G. $4.5m
|
No Significant Effect |
No Significant Effect |
| Risk 7 |
Light Rail Vehicles Price |
With vehicles likely to be supplied by firms based outside the U.S., prices could fluctuate significantly in response to changing dollar exchange rates. |
- E. Vehicle Design
- G. Vehicle Manufacture
|
Positive between Cost and Schedule of Both Components E & G |
10% |
Lognormal (Fig. 4-7 "E") |
|
Lognormal (Fig. 4-7 "E") |
|
| Risk 8 |
Systems Equipment Integration |
Problems installing and testing of complex systems equipment and controls (signals, communications, traction power, fare collection, etc.) could add to costs and delay the revenue operations date. |
H. Testing |
Positive between Cost and Schedule |
50% |
Lognormal (Fig. 4-7 "E") |
$5.0m |
Lognormal (Fig. 4-7 "E") |
6 mos. |
| Risk 9 |
Contractor Incentive Payment |
Construction contract for primary general contractor includes an incentive payment of $10 million if work is completed ahead of grantee's base schedule. |
H. Testing2 |
|
50% |
Single Value |
$10.0m |
No Significant Effect |
No Significant Effect |
| Risk 10 |
Grantee Administrative Costs |
Should project construction be extended, grantee administrative costs, including costs for construction management and design support during construction, will increase proportionately. |
H. Testing2 |
Directly Proportional to Delay if Project Duration Over 72 Months |
100% |
Multiplicative3 |
Months of Delay X $0.5m per Month |
No Significant Effect |
No Significant Effect |