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Relevant Risks to this Type of Project

#projects #Risks type delivery method size
32 2446 Highway Reconstruction All All
Number Risk Frequency Prob Cost Schedule
1 right of way acquisition needed prior to utility relocations and construction 100 0.46 3.51 1.38
2 slab replacement/repair impacts construction cost and schedule 84 0.58 2.55 0.51
3 accurate and timely traveler information – during/after construction 78


4 change orders 59 0.33 3.68 0.77
5 construction change orders 59 0.23 1.75 0.07
6 design exceptions not approved 56 0.52 1.82 3.24
7 market condition 56
6.73
8 differing site conditions 53 0.31 7.52 2.00
9 changes in priorities require adjustments to construction project start/end dates. 53 0.40 16.62 2.58
10 noise walls - lawsuits 53
1.06
11 construction delays 53 0.58 7.50 1.91
12 expectations – i.e. schedule 50


13 constructability of drainage ponds 50 0.25 10.35
14 potential changes to geotechnical design for foundations 44 0.04 0.15 0.03
15 construction funding shortfall 44 0.36 9.50 4.10
16 hctra agreements, third party agreement 44


17 consistent message – even across stakeholders 41


18 delay in obtaining permits 41 0.75 2.00 4.50
19 right of way 41 0.65 3.25 2.44
20 traffic management - baseline solution does not work (late) 41 1.00 2.80 1.00
21 additional traffic control costs 38
3.88
22 hazardous materials 38 0.15 0.21 0.67
23 access management/ control of access areas 34 0.03 0.00
24 difficult relocations 34
0.75
25 potential delay in obtaining rod (record of decision) 34


26 current txdot funding situation, including design and right of way funds 34


27 right of way acquisition 34 0.30 1.92 1.00
28 design changes or changes in lane configuration there may be environmental re‐evaluation 34 0.50 0.34 0.01
29 refinement in wetland mitigation due to change in ponds 34 0.69 0.48 3.50
30 landscaping and aesthetics cost may be reduced 31
0.59
31 federal funding making all utilities compensable 31 0.10 2.40 1.80
32 utility conflicts with foundations 31 0.47 9.00 2.80
33 incident management 31 0.50 0.14 0.50
34 continuity in traffic flow throughout multiple projects 31


35 discovery of unknown utilities during construction 31 0.50 0.66 0.72
36 hazardous materials (hazmat) 31 0.02 0.01
37 additional right of way is required 31
2.46 1.76
38 difference in economic conditions compared to revenue forecast assumptions for project opening (below) there may be lower traffic volumes 31


39 railroad agreements 28 0.75
3.13
40 environmental, cholame/wye segments unanticipated hazardous materials or contaminated soils encountered during construction 28 0.42 3.38 1.17
41 utility conflicts with drainage system 28


42 local agency coordination 28 0.50 10.00 1.50
43 other construction projects in region limit supply of labor, bid costs are higher as a result. 28 0.50 1.84
44 right of way unable to certify the project before advertising 28 0.43 1.00 3.26
45 commodity price escalation increases project costs 28 0.50 7.66
46 stormwater 25 0.50 3.36 0.10
47 potential changes due to value engineering. 25
-5.00
48 pond 6.1 partly within conservation easement 25 0.50 0.23 1.17
49 approval of design exceptions 25 0.15 0.26 0.08
50 construction sequencing – temporary drainage 25


51 adverse weather 25 0.34 7.68 0.29
52 maintenance of its during construction 25


53 material availability 25
0.05 0.52
54 contract delay / change in scope due to project staging conflicts 25 0.38 1.26 0.96
55 utility relocations and conflicts 25 0.55 0.54 3.00
56 phase 3 support cost risk for segment 3 22
3.99
57 unsuitable soils and muck 22 0.50 0.50 0.75
58 hov operations during construction 22


59 compressed construction schedule 22
11.62
60 high condemnation rates 22


61 planned realignment of general purpose lanes during construction there may be traffic shift 22


62 timing of regional conformity for interim implementation (one-lane reversible) 22


63 asbesetos on bridges 22 0.40 4.47 2.40
64 weather days and holidays 22 0.37 20.75 2.36
65 delays in right of way acquisition due to landowner objections to value 22 0.90 0.00 0.95
66 credibility – keeping promises 22


67 corridor lighting 22
1.50
68 pleasing everyone 22


69 coordination between i-95 and the fce project 22 0.10
0.10
70 replacement strategy decision for ammo road and miramar way oc. 22


71 meeting design criteria in highly developed corridor 22


72 bridge coordination efforts with hctra, metro, and uprr 22


73 escalation may exceed planned rates 22


74 wetlands 22 0.05 0.07 0.03
75 federal land transfer is unenforceable and results in delays to the project and increased cost. 22 0.37 5.04 1.64
76 abandonment of alternate tunnel design during construction 22 0.44 8.25 0.37
77 utility agreements and mud(s) 22


78 material costs 22
1.56
79 construction permitting issues (incl. work restrictions) 22


80 completion of environmental assessment and fonsi (finding of no significant impact) 22 0.78 42.78 3.57
81 schedule delays 22 0.15
0.40
82 underestimating timing and process to finalize octa/rctc cooperative agreement (orca) in order to meet rfp document preparation 22


83 re-prioritization of sequence/timing of construction due to funding limitations 22 0.35
1.40
84 managing the limited number of appraisers 22


85 interim adjustments kept to a minimum 22


86 contractor access, staging coordination and constructability issues 22
0.24
87 design exceptions 22 0.20 10.00 1.20
88 public involvement issues 22 0.50 1.50 4.50
89 outstanding task orders 22


90 consultant contract authority exceeded before design is complete 22
0.05
91 coordination and integration of operational elements (including fastrack) 22 0.50
1.50
92 eliminate one toll gantry 19
0.25
93 confined space during construction there may be reduced traffic safety conditions 19 0.63 7.00 0.93
94 general damage to existing structures caused by construction (defined in workshop as 'general construction phasing above/below ground structures') 19


95 cdot procurement delay 19 0.20
0.95
96 change in tolling equipment technology 19
0.10
97 field element are not compatible with tmc 19
0.15
98 legal challenge 19 0.16 0.00 0.33
99 structures contingency 1 19
41.72
100 uncooperative utilities causing schedule delays 19 1.00 10.00 3.00

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