Compare two results

Relevant Risks to this Type of Project

#projects #Risks type delivery method size
14 1244 New roadway All All
Number Risk Frequency Prob Cost Schedule
1 construction and utility costs 100 0.72 30.52 2.00
2 changes in alignment 100 0.49 5.54 0.00
3 higher real estate cost due to development, annexation, rezoning or other changes to currently vacant land that could greatly increase value 100 0.26 0.59 1.00
4 hazardous materials 100 0.61 0.16 2.90
5 changes in design during design 100 0.51 2.02 6.00
6 permits or agency actions delayed or take longer than expected 100 0.11 0.00 0.26
7 delays due to relocation requirements for right of way 100 0.27 0.98 2.63
8 right of way cost 92.9 0.70 15.84 3.00
9 coordination with local agencies (for section 8) 85.7 0.11 0.51 1.00
10 design coordination / approvals with other agencies affected by or affecting this project 85.7 0.12
0.59
11 permit work windows 85.7 0.20
0.68
12 finding new sinkholes in geotech investigation (for section 7a) 78.6 0.08 0.58 1.00
13 delay in agreements 78.6 0.46 0.25 1.54
14 reduction in bridge superstructure depth using fibs 78.6 0.70 0.55 2.00
15 design schedule constraints 78.6 0.55
2.02
16 its (intelligent transportation system) and advanced traffic management 78.6 0.44 1.66 1.42
17 changed design criteria 78.6 0.10 0.67 0.55
18 drainage 78.6 -0.24 0.64
19 defer building elliot road traffic interchange ramps 71.4 -0.10 0.30
20 right of way acquisition 71.4 0.29 20.00 0.20
21 delay in acquisition due to design change 71.4 0.21
0.80
22 hurricane, earthquake, terrorist attack, war, pandemic 71.4 0.07 3.38 0.15
23 relic sinkhole issues (for section 7a) 64.3 0.21 0.82 0.96
24 connections between segments (for section 7a) 64.3 0.38 1.24 1.00
25 market conditions - 8 64.3 0.40 2.83 2.00
26 risk of acquiring additional access 64.3 0.21 0.21 1.50
27 late issue in design discovered, requiring more time to finalize design (for section 7b) 57.1 0.11 0.52 1.00
28 environmental mitigation costs 57.1 0.70 2.35
29 additional sound walls required 57.1 0.19 0.80
30 environmental permits 57.1 0.76 0.09 3.00
31 market conditions at bid time different than assumed in the base 50.0 0.34 1.50
32 archeological finding during construction 50.0 0.60 0.10 4.76
33 maintenance standards 50.0 0.67 0.40
34 maintenance performance 50.0 0.50

35 different site conditions 50.0 0.88 7.00 0.19
36 legal challenges 50.0 0.21 0.00 1.85
37 condemnation takeslonger than expected (for section 1a) 50.0 0.11
0.24
38 change in configuration of one or more interchange 50.0


39 legislative change 50.0 0.05 0.23
40 additional mitigation for construction impacts (not captured elsewhere) 50.0 0.38 0.39 0.33
41 design changes on bridge or overpass 50.0 0.20 -1.50
42 determination of secondary impacts to wetlands (for section 8) 42.9 0.13 1.01 1.41
43 traffic and revenue 42.9 0.10 0.23
44 changes to design of permanent traffic items (its, illumination, intersection, tolling etc.) 42.9 0.95

45 additional sound walls required - 8 42.9 0.06 1.03 1.00
46 changes to architectural, css, landscape design (for section 7b) 42.9 0.24 0.55 1.00
47 reduced pond size requires less right of way 42.9 0.48 -1.18
48 environmental compliance 42.9 0.30 0.05 2.30
49 changed bridge foundation design due to geotechnical information (other structures than addressed separately) 42.9 0.47 -1.50
50 delayed utility relocations (other than pg&e transmission) 42.9 0.22
0.80
51 delay to fema and floodplain approvals 42.9


52 issues in air quality for construction materials 42.9


53 impacts to cultural, archeological and historic sites 42.9 0.07 0.10 0.12
54 potential for lawsuits related to right of way 42.9 0.43 0.05 6.15
55 delay in obtaining rod (record of decision) 42.9 0.40
10.00
56 discovery of unknown utilities during construction 42.9 0.34 0.40 0.30
57 changes in profile 42.9 0.29 0.08
58 bridge - changing geotechnical conditions (due to new information) on 8 42.9 0.45 4.00 2.00
59 design review delays project schedule 42.9


60 incident management 42.9 0.70 0.02
61 subsurface conditions 42.9 0.35 35.00 0.00
62 changing geotechnical conditions 42.9 0.24 0.59
63 utilities 42.9 0.50
3.00
64 general economic conditions 35.7 0.50 3.50
65 contract failure and dispute 35.7 0.25 11.00 0.30
66 maintaining local access 35.7 0.85 1.70
67 frontage roads 35.7 0.30

68 protected/ endangered species present 35.7 0.02

69 changing assumptions on technical issues 35.7 0.53

70 change orders 35.7 0.74 2.40
71 cost and availability of finance 35.7 0.30
0.00
72 threat of lawsuits 35.7 0.20
2.60
73 funding delays (e.g., due to delayed bond issuance) 35.7 0.25
6.00
74 utility relocations 35.7 0.49
0.01
75 ns railroad crossing 35.7 0.50
0.00
76 change in environmental regulations 35.7 0.13
0.35
77 compensable weather delays 35.7 0.50
0.19
78 replacement of existing culverts 35.7


79 change in design during construction 35.7


80 railroad work restrictions 35.7


81 nepa(national environmental policy act) approvals 35.7 0.50 0.00 3.00
82 construction inflation 35.7 0.20
0.00
83 delay in right of way document internal approval process 35.7 0.13 0.50 0.63
84 negative community impacts cause delays 35.7 0.50
2.25
85 security 35.7 0.80

86 railroad agreements 35.7 -0.01 0.50 3.00
87 market conditions – 1a 35.7 0.37 0.55 2.00
88 preliminary engineering cost 35.7 1.00 28.90
89 geometric design change - vertical profile 35.7 -0.20 1.60
90 schedule delay from not obtaining tifia(transportation infrastructure finance and innovation act) 35.7 0.45
9.00
91 operations staffing 35.7


92 delayed approval of design exceptions 35.7 0.45
0.94
93 interference from other projects 35.7


94 shortening in structure length 35.7 0.29 -0.75
95 changes in tolling locations 35.7 0.25

96 opportunity for structures 35.7 -0.16 12.50
97 potential changes on specifications for toll infrastructure 35.7 0.39
1.00
98 funding shortage and change in funding 35.7 0.63
0.00
99 access and construction phasing 35.7


100 latent defects 35.7 0.18 1.20

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