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Relevant Risks to this Type of Project

#projects #Risks type delivery method size
19 1475 All P3 All
Number Risk Frequency Prob Cost Schedule
1 drainage 100.00 0.29 1.47 0.00
2 changes in design required additional right of way 94.74 0.59 0.36 4.83
3 construction schedule delay 84.21 0.69 8.00 2.63
4 delays due to relocation requirements for right of way 68.42 0.42 0.78 3.96
5 contaminated or hazardous materials 68.42 0.54 5.40 2.54
6 its (intelligent transportation system) and advanced traffic management 63.16 0.48 3.70 0.55
7 different site conditions 52.63 0.80 3.44 0.09
8 right of way acquisition 52.63 0.36 20.00 4.52
9 maintenance standards 52.63 0.51 0.46
10 cost and availability of finance 47.37 0.13 10.50 0.03
11 legislative change 47.37 0.07 0.16 0.27
12 coordination with usace 47.37 0.19 0.10 0.00
13 hurricane, earthquake, terrorist attack, war, pandemic 47.37 0.07 4.29 0.18
14 insurance 47.37 0.37 1.50 0.00
15 design oversights may cause additional costs and delays during design, construction and operations phases 47.37 0.44 2.34 0.67
16 flooding, first occurance, compensible event 47.37 0.45 0.04 0.49
17 difference in economic conditions compared to revenue forecast assumptions for project opening (below) there may be lower traffic volumes 47.37


18 latent defects 42.11 0.13 0.37 0.20
19 routine maintenance 42.11 0.00 0.04 0.00
20 endangered species 42.11 0.10

21 defer building elliot road traffic interchange ramps 42.11 0.10 2.40
22 adverse weather 42.11 0.33 0.01 0.04
23 failure of developer to conduct operation and maintenance on a timely basis there may be reduced asset life 42.11 0.05 0.00
24 incident management 42.11 0.85 0.02
25 design approvals 42.11 0.13 0.20 0.25
26 materials supply 36.84 0.50 3.50 0.50
27 additional traffic control costs 36.84


28 archeological finding during construction 36.84 0.55 0.73 3.48
29 legal costs for environmental litigation 36.84 0.53 3.00 10.80
30 evolving project definition leads to design related scope creep 36.84 0.65 13.75 1.80
31 discovery of unknown utilities during construction 36.84 0.38 0.28 0.42
32 labor 36.84 0.51
0.20
33 design builder innovation 36.84 0.33 2.33 -3.38
34 constructability of uprr bridge 31.58 0.50
0.00
35 capital maintenance performance 31.58


36 cost of relocating overextends utility 31.58 0.88 0.50 2.25
37 encountering unexpected subsurface conditions 31.58 0.25 35.00 0.15
38 changes in codes and standards during project 31.58 0.10
0.00
39 traffic and revenue 31.58
30.00
40 utility agreements prior to final request for proposal 31.58


41 environmental permits 31.58 0.63 0.06 2.33
42 legal challenge 31.58 0.01 0.00 0.00
43 geotechnical surveys late 31.58 0.02
0.01
44 quality assurance and quality control 31.58 0.21 1.63 0.20
45 freeway lighting 31.58
3.00
46 tifia (transportation infrastructure finance and innovation act) 31.58 0.12 5.00 0.75
47 construction of the connecting segment by brazoria county there may be construction is not completed on time 26.32


48 confined space during construction there may be reduced traffic safety conditions 26.32 0.63 7.00 0.93
49 operations staffing 26.32


50 adjacent medical center complex there may be noise and vibration impacts 26.32 0.42 0.45 0.27
51 delays in close of finance there may be funding/financing not available 26.32


52 better define siphons and utility relocation design 26.32
-1.00
53 gas transmission line 26.32 0.10

54 vdot contract administration 26.32 0.28 7.00 0.68
55 difference in project delivery methods used for the project segments: dbfom (txdot); and dbb (brazoria) there may be different risk profiles and incentives structure 26.32


56 delay in obtaining rod (record of decision) 26.32 0.40
10.00
57 nepa(national environmental policy act) approvals 26.32 0.50
3.00
58 security 26.32


59 political pressure there may be change in scope (e.g. toll points or ramps) 26.32


60 frontage roads 26.32


61 an equity member pulls out of developer team during construction there may be uncertainty in developer team 26.32


62 poor soil permeability rates - drainage 26.32


63 railroad agreements 26.32 -0.20 0.50
64 added requirements for drainage within railroad property 26.32
0.50
65 fhwa(federal highway administration) approval delays 26.32 0.45
0.26
66 potential additional drainage and right of way costs to implement pending new stormwater requrements. 26.32 0.63 2.70 1.00
67 permitting and approvals for which pa has sole resp. 26.32 0.17 0.00 0.26
68 pressure to deliver project on an accelerated schedule 26.32 0.90
2.01
69 commodity price escalation increases project costs 26.32 0.50 20.00
70 design incomplete or in error (during design) 26.32
1.50
71 long delays in relocating utilities there may be additional coordination 26.32 0.70 0.40 0.01
72 force majeure 26.32 0.14 0.01 1.07
73 work within existing footprint, contractor to prepare final design 26.32 0.50
-7.73
74 interest rate 26.32 0.42 25.00
75 uncooperative utility companies 26.32 0.72 10.00 2.07
76 opportunity for structures 26.32
12.50
77 contract dispute 26.32 0.53 0.84 0.27
78 geotechnical and sink holes 26.32 0.04 0.60 0.03
79 csc / back office operations center 26.32
0.00
80 pavement design 26.32
2.40
81 right of way clearance 26.32 0.22 1.88
82 reuse and rehab existing pavement 26.32 0.60 0.38 0.00
83 commodity cost decrease 26.32
0.02
84 accuracy of current cost estimates 21.05


85 procurement process 21.05 0.37
0.80
86 utilities 21.05 0.55
1.51
87 operation of tolling equipment 21.05


88 technical advances during project - allow for innovation 21.05


89 construction inflation 21.05 0.2
0
90 damage to unknown utilities 21.05 0.25

91 complex structure optimization on i-285/sr400 interchange 21.05


92 stability of existing viaduct during construction 21.05 0.2
0
93 connecting facilities 21.05


94 state wide change compliance 21.05 0.5

95 handover and handback 21.05


96 historic and cultural resources 21.05 0.0425
0.15
97 structures contingency 1 21.05


98 materials quality 21.05


99 innovative traffic control methods 21.05


100 competing facilities 21.05


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