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Relevant Risks to this Type of Project

#projects #Risks type delivery method size
31 2079 All DBB All
Number Risk Frequency Prob Cost Schedule
1 right of way acquisition needed prior to utility relocations and construction 100 0.47 5.97 1.08
2 delay in obtaining permits 90.32 0.55 0.68 3.22
3 cooperation from utility owners for both reimbursable and non-reimbursable utility relocation. 83.87 0.81 189.74 1.50
4 accurate and timely traveler information – during/after construction 80.65


5 change orders 64.52 0.67 7.05 0.77
6 hazardous materials 61.29 0.50 0.50 0.96
7 delay in acquisition due to design change 54.84 0.24
1.28
8 expectations – i.e. schedule 51.61


9 right of way cost 45.16 0.60 66.10 3.00
10 consistent message – even across stakeholders 41.94


11 additional sound walls required 41.94 0.32 1.59 2.00
12 higher real estate cost due to development, annexation, rezoning or other changes to currently vacant land that could greatly increase value 41.94 0.14 0.67 1.00
13 local agency coordination 41.94 0.10 1.00 1.00
14 permits or agency actions delayed or take longer than expected 38.71 0.11
0.22
15 changes in design during design 38.71 0.36 1.20 0.34
16 design changes on bridge or overpass 38.71 0.38 0.23 1.35
17 increase cost for mitigation 38.71 0.66 0.66 3.00
18 differing site conditions 38.71 0.47 0.13
19 permit work windows 38.71 0.17 1.00 0.74
20 hov operations during construction 35.48 0.20 0.15
21 difficult relocations 35.48


22 changes in alignment 35.48 0.28 1.92 0.10
23 access management/ control of access areas 35.48


24 potential changes to roadway design 35.48 0.40 3.52
25 design coordination / approvals with other agencies affected by or affecting this project 35.48 0.28
1.23
26 reduction in bridge superstructure depth using fibs 32.26 0.68 0.17 2.00
27 changes to architectural, css, landscape design 32.26 0.53 1.06 1.00
28 continuity in traffic flow throughout multiple projects 32.26


29 right of way acquisition 32.26 0.61 10.75 3.00
30 potential changes to geotechnical design for foundations 32.26 0.44 -0.82
31 approval of design exceptions 32.26 0.92 54.24 3.60
32 contractor access, staging coordination and constructability issues 32.26 0.75 0.34
33 contract delay / change in scope due to project staging conflicts 29.03 0.54 96.00 1.76
34 construction bids 29.03 0.69 1.59
35 additional right of way is required 29.03 0.33 1.24 1.76
36 potential delay in obtaining rod (record of decision) 29.03


37 metro agreement, third party agreement 29.03


38 traffic management - baseline solution does not work (late) 29.03 0.40 3.01 2.00
39 interference from other projects 29.03 0.10
2.11
40 construction funding shortfall 29.03 0.30 18.50 6.60
41 hctra agreements, third party agreement 29.03 0.75
3.13
42 construction change orders 29.03 0.86 2.28
43 utility conflicts with foundations 29.03 0.70 36.00 2.40
44 construction easements 25.81 0.50 0.20
45 right of way unable to certify the project before advertising 25.81 0.32 1.00 2.70
46 risk of acquiring additional access 25.81 0.30 1.42
47 current txdot funding situation, including design and right of way funds 25.81


48 stormwater 25.81 0.63 1.55 0.15
49 changing geotechnical conditions 25.81 0.27 0.51
50 bridge - changing geotechnical conditions (due to new information) on 8 25.81 0.37 5.83 1.38
51 additional hazardous or contaminated materials identified during preliminary investigation 22.58 0.37 0.25 1.59
52 consultant contract authority exceeded before design is complete 22.58 0.25 0.05
53 right of way funding shortage 22.58 0.23
0.75
54 coordination and integration of operational elements (including fastrack) 22.58 0.50
1.50
55 completion of environmental assessment and fonsi (finding of no significant impact) 22.58 0.75
1.92
56 changes in profile 22.58 0.53 0.05
57 market conditions 22.58 0.20 3.00 2.00
58 weather delays 22.58 0.25
0.50
59 bid price may be higher than engineers estimate for railroad project 22.58 0.70 1.22
60 full traffic closures during construction 22.58 0.38 7.53 -3.38
61 incident management 22.58 0.10 0.02
62 noise walls - lawsuits 22.58 0.80 2.00
63 design of drainage for service roads 22.58 0.57 0.76 1.00
64 changing assumptions on technical issues in design stage 22.58 0.47 1.65
65 field element are not compatible with tmc 22.58 0.30 0.15
66 interim adjustments kept to a minimum 22.58


67 utility agreements and mud(s) 22.58


68 managing the limited number of appraisers 22.58


69 additional mitigation for construction impacts (not captured elsewhere) 22.58 0.43 1.50 0.07
70 outstanding task orders 22.58


71 pleasing everyone 22.58


72 delay in obtaining usace, uscg, nysdos, nycdcp, nysdec permits, permitting issues 22.58 0.55 0.54 1.03
73 timing of regional conformity for interim implementation (one-lane reversible) 22.58


74 the current plan is for unit 1 to open the managed lanes (south segment). delays to any other project could delay unit 1 and the opening of the managed lanes. 22.58 0.50 0.25
75 bridge coordination efforts with hctra, metro, and uprr 22.58


76 meeting design criteria in highly developed corridor 22.58


77 phase 3 support cost risk for segment 1 22.58 1.00 4.89
78 contract change orders, claims 22.58 0.61 4.79
79 market conditions at bid time different than assumed in the base 22.58 0.34 0.30
80 construction permitting issues (incl. work restrictions) 22.58


81 high condemnation rates 22.58


82 credibility – keeping promises 22.58


83 replacement strategy decision for ammo road and miramar way oc. 22.58


84 limited contractor’s availability to perform work 19.35


85 structures 19.35 0.72 41.33
86 utility conflicts with drainage system 19.35 0.40 72.00 2.40
87 nonconforming work results in schedule delay and additional costs 19.35


88 environmental regulations change 19.35 0.09 1.08 0.255555555555556
89 interchange construction 19.35 0.5 5.63
90 xcel, eaglenet/cdot fiber and other utilities 19.35 0.725 1.87 3
91 potential scope changes driven by stake holders. 19.35 0.358333333333333 0.85
92 oil price 19.35 0.48125 11.01 0
93 interest rates rise just before sell bonds 19.35 0.6

94 material availability 19.35 0.3 0.45 0.515
95 access points 19.35


96 material costs 19.35 0.8 3.24
97 public involvement issues 19.35 0.5 1.50 4.5
98 landscaping and aesthetics 19.35


99 slab replacement/repair impacts construction cost and schedule 19.35 0.1 0.50 0.6625
100 changed traffic control and staging requirements 19.35 0.6 8.34

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