REGION/PROJECT:
Bay Tunnel
CONTRACTOR:
MJC-JV
Bay Tunnel Project ID Number PROJECT RISK REGISTER Award: $215,294,530 - NTP: 4/1/2010
Bob Mues (Phone: 206-818-7353)
PROJECT CM: CM CONSULTANT:
B
Jacobs Engineering
C
Risk Category
001
002
Printed 9/28/2012 9:45 PM
Technical
Technical
Risk Description (Hazard/Risk Scenario)
Differing soil condition results in chimney to bottom of the Bay, blow-in to TBM, lose tunnel, submerge shaft and start over.
Encounter reaches of squeezing ground causing TBM to get stuck.
Bob Mues
Prepared Date:
10/8/2010 N/A
Approved Date:
D
E
CURRENT ASSESSMENT F
G
H
I
J
K
L
M
Location
Tunnel
Tunnel
Cause
Effect
Unplanned hyperbaric intervention, and results in loss of pressure Unrecoverable to face of EPB loss of tunnel TBM, which and shaft. cannot be recovered due to nature of the material.
Differing site conditions (highly plastic TBM gets stuck clay) of the San in these Antonio reaches, and formation in impacts excess to those Contractor or at other production rate. locations than those expected from GBR.
Risk Plan Owner
Wong, Johanna
Wong, Johanna
Risk Status
Open
Open
Trigger Date
7/12/2011
7/12/2011
Expiration Date
9/12/2013
9/12/2013
Probability of Occurrence (P)
1 - Rare
2 - Unlikely
Impact to Costs, $ (S_cost)
3 - Moderate
4 - Major
O
P
Q
Impact to Costs, $
Impact to Schedule, Risk Min. Time, days Calendar Days Score (R) (S_schedule)
5 - Catastrophic 5 - Catastrophic
N/A
MITIGATION
For PPPCM use only
N
Severity of Impact (S)
Risk ID
Baseline Risk Register
Prepared By:
Approved By:
RISK IDENTITY & CAUSE A
Status Update:
15
14
520
19.5
Most Likely Time, days
520
58.5
Page 1 of 7
Max. Time, days
520
97.5
Min. Cost, $
75,000,000
1,312,350
Most Likely Cost, $
112,500,000
3,937,050
Max. Cost, $
150,000,000
6,561,750
R
S
T
U
Mitigation Action Items
Scoring Rationale
Catastrophic event loss of completed work and extensive delay in starting over.
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day . Total Daily Rate = $17,300. Add for loss of productivity for half of 75% of the tunnel = 9,750' - 10%, 20% & 50% reduction in progress at average of $1,000 per LF.
Strategy
Mitigate
Mitigate
Risk Plan
Action Items
Action Owner
Require maintenance of TBM driving parameters (spoil removal rate records) against theoretical earth volume to be removed, and Mues, Bob tail grout quantity placed per ring of TBM advance, to verify possible "over excavation"). Verify that Contractor's remedial plan for this Maintain full-time CM condition is in place with QA inspection on the initial tunnel submittals, and TBM when tunneling that the equipment/materials Mues, Bob (per Spec 02311 noted are available and requirements). Assure functional throughout Contractor maintains tunneling. Require additional adequate off-shift remedial grouting or refill monitoring of pressure where necessary. chamber and heading, esp at high risk areas. Verify the requirements of Specification 02311 for inspections and interventions into the pressure chamber of the EPB TBM are met Mues, Bob (Pressurized Face Tunneling Plans, Method Statements, Procedures, Tunnel Safety Plans).
Verify that the TBM On-going check of thrust and thrust is at least as lubrication data from TBM as Mues, Bob specified and that the progressing. shield lubrication (bentonite injection port/injection system) Assure TBM maintenance is are functioning, performed as specified or lubrication material more (if needed), particularly Hogan, Tom mixing and supply system are functioning prior to entering squeezing ground regions. and ready, and that TBM maintenance is current.
Actual Completion
Action Status
Action Start
Action End
7/12/2011
9/12/2013
Proposed
8/1/2010
9/12/2013
Proposed
8/1/2010
9/12/2013
Active
7/12/2011
9/12/2013
Proposed
7/12/2011
9/12/2013
Proposed
RR Bay Tunnel - 2010 10 8 (DRAFT2)R2 3 pt estimates 11 12 10
REGION/PROJECT:
Bay Tunnel
CONTRACTOR:
MJC-JV
Bay Tunnel Project ID Number PROJECT RISK REGISTER Award: $215,294,530 - NTP: 4/1/2010
Bob Mues (Phone: 206-818-7353)
PROJECT CM: CM CONSULTANT:
B
Jacobs Engineering
C
Risk Category
Risk Description (Hazard/Risk Scenario)
Technical
Unforeseen ground conditions between the Franciscan Formation and San Antonio Formation interface.
003
004
Technical
005
006
Security
Regulatory
Printed 9/28/2012 9:45 PM
Hitting unforseen Franciscan Formation in reaches not surveyed in the GBR
D
E
Location
Tunnel
Tunnel
Cause
F
Effect
Interface Control of the between San tunnel (vertical/ horizontal) Antonio Formation alignment (softer ground) between the San and Franciscan Antonio Formation Formation and
Differing site conditions.
Breach in Vandalism to site or Ravenswoo perimeter fence construction d/ Newark or bypass of property, damage Shafts guard station.
Unanticipated presence of endangered species.
Bob Mues
Prepared Date:
10/8/2010 N/A
Approved Date: CURRENT ASSESSMENT G
H
I
J
K
L
M
Additional hyperbaric interventions needed to change cutterhead; productivity loss; TBM not designed for great lengths of hard ground.
Risk Plan Owner
Wong, Johanna
Wong, Johanna
Replacement or repair to finished permanent works, safety Contractor hazard to "intruders" or perpetrators.
Contractor delayed from starting work at Protected Newark and/or species NewarkShaf additional encountered t restrictions to during surveys site or construction. implemented during site activities.
Wong, Johanna
Risk Status
Open
Open
Trigger Date
3/1/2013
7/12/2011
Expiration Date
7/5/2013
3/12/2013
Probability of Occurrence (P)
Impact to Costs, $ (S_cost)
4 - Likely
0 - Contractor Risk
2 - Unlikely
3 - Moderate
O
P
Q
Impact to Costs, $
Impact to Schedule, Risk Min. Time, days Calendar Days Score (R) (S_schedule)
3 - Moderate
N/A
MITIGATION
For PPPCM use only
N
Severity of Impact (S)
Risk ID
Baseline Risk Register
Prepared By:
Approved By:
RISK IDENTITY & CAUSE A
Status Update:
0
3 - Moderate
0
10
Most Likely Time, days
0
15
Max. Time, days
0
20
Min. Cost, $
0
673,000
Most Likely Cost, $
0
1,009,500
R
S
Max. Cost, $
Scoring Rationale
Risk Plan
Action Items
Assure Contractor submittals Although this subsurface discontinuity are in on schedule and is well defined in the properly reviewed and Mitigate GBR, assure that approved.with any Assist Contractor Contractor's EPB TBM other special measures design includes a needed. suitable guidance
0
1,346,000
Strategy
Open
6/1/2010
3/1/2011
5/15/2015
5/15/2015
5 - Frequent
2 - Unlikely
0 - Contractor Risk
2 - Minor
2 - Minor
2 - Minor
0
5
0
20
0
40
Page 2 of 7
0
60
0
766,000
0
1,532,000
U
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day . Total daily cost = $17,300. Add for loss of productivity using $50,000 per day X the additional days to accomplish the work.
Assure that the Contractor has planned to perform maintenance Assure Contractor submittals interventions prior to are in on schedule and Mitigate each reach with properly reviewed and geotechnical data approved. "gaps"; assure that back-up equipment and supplies are available.
0
2,298,000
Contractor Risk
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day + Standby Costs @ $21,000/day = $32,500. Total daily rate = $38,300/day. Standby costs include equipment, security, core crew costs, tunnel lighting & ventilation, equipment maintenance, etc.
Mitigate
Mitigate
Monitor and implement safety and security plan.
Actual Completion
Action Status
Action Owner
Action Start
Action End
Mues, Bob
1/1/2013
7/5/2013
Proposed
Mues, Bob
1/1/2013
7/5/2013
Proposed
Mues, Bob
1/1/2013
7/5/2013
Proposed
6/1/2010
3/2/2015
Active
8/1/2010
5/15/2015
Active
On-going check of perimeter fencing integrity and site sign Hogan, Tom visibility. On-going check of security Wakefield, guard's presence on site Rick 24/7. Open
T
Mitigation Action Items
Work area lighting functional (include winter evenings).
Contractor
11/15/2010
12/31/2014
Proposed
Maintain and repair (if needed) fencing.
Contractor
8/1/2010
5/15/2015
Active
Lock-ups inside site and provide safety covers over potential hazards such as pipe trench at night.
Contractor
12/1/2010
5/15/2015
Proposed
1/1/2011
4/1/2011
Proposed
2/1/2011
3/1/2011
Proposed
2/1/2011
5/1/2011
Proposed
Coordinate with SFPUC BEM to ensure they obtain a Peterson, Section 2081 Take Megan Authorization from CDFG prior to working at Newark. Conduct preconstruction surveys prior to working at Work in a proactive Wilkerson, Newark and relocate CTS manner to anticipate Cullen and/or individuals, if found. Hand issues before they Craighead, become delays or cost excavate burrows during the Kim dry season if work begins changes. after May 1. Wilkerson, Cullen; Monitor installation of exclusion fencing and initial Craighead, Kim; ground-disturbing activities. Peterson, Eric
RR Bay Tunnel - 2010 10 8 (DRAFT2)R2 3 pt estimates 11 12 10
REGION/PROJECT:
Bay Tunnel
CONTRACTOR:
MJC-JV
Bay Tunnel Project ID Number PROJECT RISK REGISTER Award: $215,294,530 - NTP: 4/1/2010
Bob Mues (Phone: 206-818-7353)
PROJECT CM: CM CONSULTANT:
B
Jacobs Engineering
C
007
008
Risk Category
Regulatory
Regulatory
009
010
Printed 9/28/2012 9:45 PM
Safety
Safety
Risk Description (Hazard/Risk Scenario)
D
E
F
Location
Cause
Effect
Restrictions due to Protected birds nesting specialnesting in status shorebirds Contractor adjacent Ravenswoo (CA clapper rail, delayed due marshlands d/ Newark implementation black rail, least tern, during future Shafts etc.) moving into an of buffer zones. nesting active construction seasons. area.
Union Sanitary District prohibits discharge of construction water into their system
Handling of contaminated groundwater/soil at Newarks shaft site in excess of amount specified.
Injuries resulting from, or while working in, compressed air environment.
Bob Mues
Prepared Date:
10/8/2010 N/A
Approved Date: CURRENT ASSESSMENT G
H
I
J
K
L
M
Newark Shaft
Newark
Risk Plan Owner
Wong, Johanna
Contamination Additional is too high and permits, water Contractor does not comply treatment, or offwith USD hauling of water. requirements
Worker health & safety concerns if contaminated groundwater not Gravel lenses handled across site appropriately. causing greater Contractor may infiltration or be required to existing shut-down contaminant Contractor dewatering plume has operation (and different not be allowed constituents or to discharge by higher USD) if concentrations. contaminants not properly treated prior to disposal.
Work will stop, Exposure to compressed air worker must be Ravenswoo at face of TBM transported to Contractor surface and d Shaft during inspections and quickly treated in maintenance. decompression chamber or at
Risk Status
Open
Open
Open
Trigger Date
2/11/2011
3/1/2011
3/1/2013
Expiration Date
5/15/2015
8/1/2011
12/31/2013
Probability of Occurrence (P)
3 - Possible
3 - Possible
5 - Frequent
Impact to Costs, $ (S_cost)
2 - Minor
0 - Contractor Risk
0 - Contractor Risk
3 - Moderate
3 - Moderate
O
P
Q
Impact to Costs, $
Impact to Schedule, Risk Min. Time, days Calendar Days Score (R) (S_schedule)
2 - Minor
N/A
MITIGATION
For PPPCM use only
N
Severity of Impact (S)
Risk ID
Baseline Risk Register
Prepared By:
Approved By:
RISK IDENTITY & CAUSE A
Status Update:
9
0
0
40
0
0
Most Likely Time, days
80
0
0
Max. Time, days
160
0
0
Min. Cost, $
1,532,000
0
0
Most Likely Cost, $
3,064,000
0
0
7/12/2011
9/12/2013
3 - Possible
0 - Contractor Risk
3 - Moderate
0
0
0
Page 3 of 7
0
0
0
S
T
U
Mitigation Action Items
Max. Cost, $
6,128,000
0
0
Scoring Rationale
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day + Standby Costs @ $21,000/day = $32,500. Total daily rate = $38,300/day. Standby costs include equipment, security, core crew costs, tunnel lighting & ventilation, equipment maintenance, etc.
Contractor Risk
Contractor Risk
Strategy
1/1/2011
4/1/2011
Proposed
2/1/2011
3/1/2015
Proposed
Peterson, Megan
2/1/2011
5/1/2015
Proposed
Contractor
2/1/2011
6/1/2011
Proposed
Contractor
12/1/2010
6/1/2011
Proposed
Contractor
12/1/2010
6/1/2010
Proposed
CM QA Inspectors to verify that Contractor has tested the water, and has a test plan in place to continually Hogan, Tom test and manage the water throughout the Newark shaft installation work.
3/1/2013
12/31/2013
Proposed
Verification by ECM, QA Inspectors assure that EIs, and QA Inspectors the shaft is sealed to avoid that Contractor has its contaminated water from plan, permits, disposal interfering with the tunnel site, and resources for Mitigate completion and installation of this contaminated water Hogan, Tom the final lining pipe into the in place prior to tunnel and shaft, and the commencement of the surface pipe Newark Shaft installation/connection to the installation. existing BDPL1.
3/1/2013
12/31/2013
Proposed
Peterson, Megan
3/1/2013
12/31/2013
Proposed
Mues, Bob
7/12/2011
9/12/2013
Proposed
Mues, Bob
5/1/2011
9/12/2013
Proposed
Look into the feasibility of alternative mitigation Peterson, measures as opposed to Megan implementing a buffer zone (e.g., barriers, etc.) Conduct preconstruction Wilkerson, surveys according to the Cullen and/or MMRP during the early Craighead, portion of the 2011, 2012, Kim 2013, 2014 and 2015 nesting seasons. Maintain an open dialog with regulatory agencies and take proactive steps to minimize delays.
Mitigate
0
Contractor Risk
Action Owner
Action Status
Action End
Continually monitor status of birds in the area and develop an initial strategy for managing this risk.
Action Items
Actual Completion
Action Start
Mitigate
Risk Plan
Initiate discussions with USD early, and prior to moving into NVL to understand the requirements/restrictions Obtain a NPDES VOC permit as a backup in the event Develop a water USD discharge is not discharge contingency allowed. plan Evaluate additional design techniques to limit the influx of groundwater into shaft and trench for tie-ins (e.g., extending Ranger's cut-off wall).
On-going verification that Contractor meets requirements of their Union Sanitary District discharge permit with dewatering operation.
Open
R
Ensure contractor On-going verification that provides the tools, Contractor's hyperbaric work equipment, and facilities are operational. Mitigate hyperbaric work Assure Contractor's facilities, and follows contingency planning is in required contingency place prior to the planning for carrying out interventions.
RR Bay Tunnel - 2010 10 8 (DRAFT2)R2 3 pt estimates 11 12 10
REGION/PROJECT:
Bay Tunnel
CONTRACTOR:
MJC-JV
Bay Tunnel Project ID Number PROJECT RISK REGISTER Award: $215,294,530 - NTP: 4/1/2010
Bob Mues (Phone: 206-818-7353)
PROJECT CM: CM CONSULTANT:
B
Jacobs Engineering
C
Risk Category
011
Safety
Technical
012
013
Community
Risk Description (Hazard/Risk Scenario)
Decompression sickness
Bob Mues
Prepared Date:
10/8/2010 N/A
Approved Date:
D
E
CURRENT ASSESSMENT F
G
H
I
J
K
L
M
Location
Tunnel
Blow-in through the forward pressure bulkhead of the EPB TBM (the bulkhead containing the face pressure monitoring Ravenswoo instruments beyond d Shaft which is the earth plug, water table pressure and the Bay trying to come in).
Cause
Effect
Risk Plan Owner
Work will stop, Exposure to worker must be compressed air transported to at face of TBM surface and Contractor during quickly treated in inspections and decompression chamber or at maintenance. hospital.
Unintended penetration of the EPBM pressure bulkhead.
Potential loss of EPB TBM and Contractor tunnel.
Contractor's Resident failure to comply Potential work complaints, and with noise and stoppage until irritation, with Ravenswoo vibration code complaints are construction noise, d requirements, or addressed and dust, lighting, mitigated. if compliant, vibration, etc. public irritation.
Contractor
Risk Status
Trigger Date
Expiration Date
Probability of Occurrence (P)
Impact to Costs, $ (S_cost)
N/A
MITIGATION
For PPPCM use only
N
Severity of Impact (S)
Risk ID
Baseline Risk Register
Prepared By:
Approved By:
RISK IDENTITY & CAUSE A
Status Update:
O
P
Q
Impact to Costs, $
Impact to Schedule, Risk Min. Time, days Calendar Days Score (R) (S_schedule)
Most Likely Time, days
Max. Time, days
Min. Cost, $
Most Likely Cost, $
014
015
Technical
Technical
Lack of sufficient power supply.
Water leakage around the perimeter seal or through the shaft floor slab (tremie concrete).
More abrasive
Printed 9/28/2012 9:45 PM
Wong, Johanna
Contractor does not follow Potentially have Ravenswoo specifications/ to replace shaft Contractor d Shaft Contractor floor slab. means & methods faulty.
Different subsurface
Excessive TBM head, face chamber, cutter, and screw conveyor wear
S
Max. Cost, $
Scoring Rationale
Strategy
Risk Plan
Action Items
Action Owner
Open
Open
7/12/2011
7/12/2011
7/1/2010
9/12/2013
9/12/2013
5/15/2015
3 - Possible
2 - Unlikely
3 - Possible
0 - Contractor Risk
0 - Contractor Risk
0 - Contractor Risk
3 - Moderate
5 - Catastrophic
2 - Minor
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Open
Open
3/31/2011
11/15/2010
9/12/2013
6/1/2011
2 - Unlikely
2 - Unlikely
3 - Moderate
0 - Contractor Risk
3 - Moderate
2 - Minor
11
0
20
0
60
0
180
0
766,000
0
2,298,000
0
0
0
0
Contractor Risk
Contractor Risk
Contractor Risk
6,894,000
0
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day + Standby Costs @ $21,000/day = $32,500. Total daily rate = $38,300/day. Standby costs include
Contractor Risk
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day
Wong,
Page 4 of 7
U
Mitigate
Require expanded engineering controls for sound attenuation (mufflers/enclosures of loud Monitor site work to equipment). identify problem before Require increased distance (if possible) from sound recognized by the source or sound walls (if Mitigate public; provide required). proactive outreach to Remove/change out the community of upcoming source or noise emitter. activities.
4/12/2011
9/12/2013
Proposed
4/12/2011
9/12/2013
Proposed
4/12/2011
9/12/2013
Proposed
Mues, Bob
5/1/2011
9/12/2013
Proposed
Mues, Bob
5/1/2011
9/12/2013
Proposed
Mues, Bob
7/1/2010
5/15/2015
Active
Mues, Bob
7/1/2010
5/15/2015
Active
Mues, Bob
7/1/2010
5/15/2015
Active
Kerby, Christina
7/1/2010
5/15/2015
Active
4/1/2010
3/31/2011
Active
4/1/2010
3/31/2011
Active
9/15/2010
6/1/2011
Active
2/1/2011
6/1/2011
Proposed
2/1/2011
6/1/2011
Proposed
7/12/2011
9/12/2013
Proposed
Hold monthly coordination Wong, meetings with PG&E and Johanna Closely monitor Contractor to mitigate issues. progress of the Mitigate temporary construction Take appropriate steps to power installations by avoid any SFPUC caused Mues, Bob PG&E. delays.
Verify Contractor follows Mues, Bob submittals and method statements. Verify that Contractor Carefully inspect slab for follows specifications, Hogan, Tom leakage (following Mitigate places shaft floor slabs unwatering and cleaning). accordingly, inspect for If required, verify submittal of conformance. Contractor's remedial plan to Mues, Bob repair leaks and assure materials/methods are viable. Check to increase spare part inventory once condition is verified.
Action Status
Action End
Mues, Bob Compressed air "hyperbaric" work cannot commence before all plans and Require Contractor to adhere procedures are to decompression acceptable pursuant to procedures and hyperbaric Mues, Bob California labor safety work plans. codes and standards, Require Contractor to have including medical resources in place decompression for response, transport, and process, equipment, Mues, Bob care of decompression and tables. sickness, either on site of at nearby hospital or other qualified facilities.
Assure Contractor's plans and employee training Contractor's plans must specifically address high risk nature of work around the address the high risk of pressure bulkhead. any maintenance work around the pressure Mitigate bulkhead and the dangers of any penetration (separate Assure Contractor provides from the hyperbaric training of high risk work to intervention plans). any new workers involved in tunneling operation.
Actual Completion
Action Start
Require all equipment and systems for work under pressure be in place and tested prior to commencement of work
Open
T
Mitigation Action Items
Provide on-going updates to community via mailers, door hangers, blog of activities.
Delay to start of PG&E fails to tunneling with provide power insufficient Ravenswoo service when power supply for d required; PG&E TBM; loss of power failure. power during tunneling.
R
Mues, Bob
Assure that there are adequate spare parts
RR Bay Tunnel - 2010 10 8 (DRAFT2)R2 3 pt estimates 11 12 10
REGION/PROJECT:
Bay Tunnel
CONTRACTOR:
MJC-JV
Bay Tunnel Project ID Number PROJECT RISK REGISTER Award: $215,294,530 - NTP: 4/1/2010
Bob Mues (Phone: 206-818-7353)
PROJECT CM: CM CONSULTANT:
B
Jacobs Engineering
C
Risk Category
016
Technical
017
018
019
020
021
022
Safety
Regulatory
Regulatory
Regulatory
Regulatory
Risk Description (Hazard/Risk Scenario)
ground conditions than anticipated.
Damage to BDPLs 1& 2 or PG&E transmission lines due to crane tip over.
D
E
F
Location
Tunnel
Shafts
Cause
Effect
materials than and hyperbaric those presented maintenance of in the GBR. those parts that are exposed to ground pressure.
Unbalanced/ excessive load or unstable crane platform base during installation of diaphragm slurry wall rebar
G
H
I
J
K
L
Carelessness Inadvertantly and/or not injuring or killing an following project endangered, Ravenswoo requirements; threatened, or fully d/ Newark accidental collisions with protected species (SMHM, CTS, etc.) equipment; work in wetlands, etc.
Subsurface Easement is not obtained from Management Cargill, SamTrans, and Mid Peninsula Open Space District.
Tunnel
Tunnel
Terms of Agreement not acceptable to parties; Board of Supervisors reject purchase of subsurface easement.
Risk Status
Trigger Date
Expiration Date
Probability of Occurrence (P)
Impact to Costs, $ (S_cost)
Wong, Johanna
Open
7/12/2011
9/12/2013
3 - Possible
3 - Moderate
Wong, Johanna
Work stoppage by USFWS and/or CDFG until additional Contractor mitigation measures can be developed/ approved.
Additional time Additional and costs requirements incurred by imposed by Contractor and higher risk level Additional RWQCB CM team requirements as a under NPDES Ravenswoo associated with General result of risk d/Newark sampling, assessment prior to Construction monitoring and Stormwater Sept 2, 2011. reporting; Permit due to additional duration of RWQCB project. coordination. Various: BCDC want removal of BDPLs 1&2; BCDC may claim jurisdiction below the Bay; subsurface easements are
Risk Plan Owner
Electrocution, if PG&E transmission lines hit; power Contractor outage. Service outage, if BDPLs hit; damage requiring
Bay Margin is known to Unanticipated contain Work stoppage cultural or prehistoric and until the paleontological Ravenswoo paleontological resource can be properly discoveries during d/ Newark resources, but evaluated/ shaft excavation, construction tunneling, or tie-ins methods recovered. prevent surveys and monitoring
BCDC will not issue permit for tunneling under the Bay.
M
10/8/2010 N/A
Cannot start tunnel excavation.
Cannot start tunnel excavation.
Wong, Johanna
Wong, Johanna
Wong, Johanna
Open
Open
Open
Open
Open
Open
8/1/2010
8/1/2010
5/20/2010
5/20/2010
9/20/2010
9/20/2010
11/15/2010
5/15/2015
5/15/2015
5/15/2015
6/30/2011
6/30/2011
3 - Possible
2 - Unlikely
1 - Rare
4 - Likely
2 - Unlikely
2 - Unlikely
0 - Contractor Risk
2 - Minor
0 - Contractor Risk
1 - Insignificant
3 - Moderate
2 - Minor
4 - Major
1 - Insignificant
5 - Catastrophic 5 - Catastrophic
5 - Catastrophic 5 - Catastrophic
O
P
Q
Impact to Costs, $
Impact to Schedule, Risk Min. Time, days Calendar Days Score (R) (S_schedule) 2 - Minor
N/A
MITIGATION
For PPPCM use only
N
12
0
5
0
7
21
21
20
0
20
0
0
60
60
Max. Time, days
Min. Cost, $
Most Likely Cost, $
Max. Cost, $
30
40
1,346,000
2,019,000
2,692,000
0
40
0
0
120
120
0
60
0
0
240
240
0
766,000
0
50,000
1,488,000
1,488,000
0
1,532,000
0
100,000
2,976,000
2,976,000
0
2,298,000
0
250,000
Scoring Rationale
$100/day = $6,500/day . Total daily cost = $17,300. Add $1M, $1.5M & $2M for replacement parts, lost time for replacement and lost productivity.
Contractor Risk
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day + Standby Costs @ $21,000/day = $32,500. Total Daily Rate = $38,300/day. Standby costs include equipment, security, core crew costs, tunnel lighting & ventilation, equipment
Contractor Risk
Additional SWPP requirements and monitoring. Estimated costs by PUC/CM Team.
S
T
U
Strategy
Mitigate
Mitigate
Mitigate
Risk Plan
adequate spare parts available at start and throughout tunneling.
Assure Contractor is well prepared with acceptable JHAs for each portion of slurry wall construction.
Action Status
Action Owner
Action Start
Action End
Issue field order for immediate spare parts procurement, if schedule (long lead item) becomes an issue.
Mues, Bob
7/12/2011
9/12/2013
Proposed
Check that Contractor has provided an adequate base for crane support.
Hogan, Tom
8/1/2010
12/1/2010
Active
Check that Contractor is following load limits and Hogan, Tom protocol as perscribed in the JHAs.
8/1/2010
12/1/2010
Active
Hire specialty archaeological and paleontological monitors in the event of discoveries.
Peterson, Megan
12/1/2010
2/1/2010
Completed
Peterson, Eric
4/1/2010
12/31/2014
Active
Peterson, Megan
4/1/2010
12/31/2014
Active
Peterson, Eric
4/1/2010
12/31/2014
Active
Peterson, Eric
4/1/2010
12/31/2014
Active
Peterson, Megan
12/1/2010
3/1/2011
Active
4/1/2010
5/31/2010
Completed
4/1/2011
10/30/2010
Active
5/20/2010
3/1/2015
Active
5/20/2010
5/1/2015
Active
Implement existing Ensure that worker training is procedures for conducted according to the unanticipated MMRP and specifications. discoveries and work quickly to mobilize Coordinate with the specialists to the field. Contractor in the event of a find to quickly assess the significance and possible need for work stoppage.
Implement requirements as specified in project Mitigate documents and develop comprehensive training program
Actual Completion
Action Items
Inspect the work area daily for any cover or other potential habitat. Train individuals on significance of "take" of the species.Conduct tailgate trainings prior to working in sensitive areas. Coordinate with SFPUC BEM to ensure the 2081for CTS is in hand prior to work beginning Newark
Design water treatment Host SWPPP workshop for plant to accommodate Bay Division Region to Peterson, new permit faciliate understanding of Megan requirements (e.g., requirements. modular system that Develop expandable can easily be Contractor modular WTP for expanded). Close Mitigate Ravenswood. coordination between CM team provides daily Peterson, CM team and environmental inspection to Eric and Contractor to help identify issues. Mirzad, Slay understand new Provide QSP to oversee site requirements and Contractor compliance with NPDES prepare risk permit. assessment/SWPPP
5,952,000
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day + Standby Costs @ $7,500/day = $14,000/day. Total Daily Rate =
Avoid
Work with BCDC and City Attorney to get agreements in place well before the start of tunneling.
Work with BCDC. Enlist help from City Attorney to avoid BDCD claiming jurisdiction below the Bay.
Zhang, Yin Lan
9/20/2010
6/30/2011
Active
5,952,000
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ $100/day = $6,500/day + Standby Costs @ $7,500/day = $14,000/day. Total Daily Rate = $24,800/day. Standby costs include equipment, security,
Avoid
Work with property owners and City Attorney.
Finalize Agreement with Property Owners. Submit Agenda Item to the Board of Supervisors
Morelli, Brian
9/20/2010
30-Jun-11
Active
Check on-going monitoring of BDPLs and check that data is consistent with no movement.
Hnat, Steve
8/1/2010
5/15/2015
Active
CM/SFPUC 9 FTE @ $150.00/hr = $10,800/day and CS 8 FTE @ $100/hr = $6,400 + office @ Page 5 of 7
R
Mitigation Action Items
Most Likely Time, days
BDPLs will require owner repair, which
Printed 9/28/2012 9:45 PM
Bob Mues
Prepared Date:
Approved Date: CURRENT ASSESSMENT Severity of Impact (S)
Risk ID
Baseline Risk Register
Prepared By:
Approved By:
RISK IDENTITY & CAUSE A
Status Update:
Assure Contractor installs and monitors survey monuments
RR Bay Tunnel - 2010 10 8 (DRAFT2)R2 3 pt estimates 11 12 10
REGION/PROJECT:
Bay Tunnel
CONTRACTOR:
MJC-JV
Bay Tunnel Project ID Number PROJECT RISK REGISTER Award: $215,294,530 - NTP: 4/1/2010
Bob Mues (Phone: 206-818-7353)
PROJECT CM: CM CONSULTANT:
B
Jacobs Engineering
C
Risk Category
Risk Description (Hazard/Risk Scenario)
Operations
Failure of BDPL1 or 2 in vicinity of Ravenswood or Newark shafts.
023
024
Printed 9/28/2012 9:45 PM
Operations
Delay in shut-down schedule.
Bob Mues
Prepared Date:
10/8/2010 N/A
Approved Date:
D
E
CURRENT ASSESSMENT F
G
H
I
J
K
L
M
Location
Cause
Effect
Risk Plan Owner
owner repair, which may be problematic Possibly caused by regarding access Ravenswood/ non-construction and safety concerns Mazza, Paul means, such as age Newark with construction related joint failure. operations on-going nearby. May cause some delay.
Ravenswood
Potentially weeks of Failure of the delay while the contractor supplied submersible pumps pumps are either repaired or rental during disinfection units are located; it of the pipe within might also result in the tunnel. re-disinfecting, etc.
Contractor
Risk Status
Open
Open
Trigger Date
8/1/2010
9/1/2014
Expiration Date
5/15/2015
2/10/2015
Probability of Occurrence (P)
2 - Unlikely
2 - Unlikely
Impact to Costs, $ (S_cost)
3 - Moderate
0 - Contractor Risk
3 - Moderate
O
P
Q
Impact to Costs, $
Impact to Schedule, Risk Min. Time, days Calendar Days Score (R) (S_schedule)
2 - Minor
N/A
MITIGATION
For PPPCM use only
N
Severity of Impact (S)
Risk ID
Baseline Risk Register
Prepared By:
Approved By:
RISK IDENTITY & CAUSE A
Status Update:
11
0
10
0
Most Likely Time, days
20
0
Page 6 of 7
Max. Time, days
30
0
Min. Cost, $
483,000
0
Most Likely Cost, $
866,000
0
R
S
T
U
Mitigation Action Items
Max. Cost, $
1,249,000
0
Scoring Rationale
$6,400 + office @ $100/day = $6,500/day + Standby Costs @ $21,000/day = $32,500. Total Daily Rate = $38,300/day. Standby costs include equipment, security, core crew costs, tunnel lighting & ventilation,
Contractor Risk
Strategy
Mitigate
Mitigate
Risk Plan
monitors survey monuments on BDPLs throughout construction; consider contingency planning for Ops access in the event that BDPLs fail and need to be shut-down and repaired adjacent to construction.
Actual Completion
Action Status
Action Items
Action Owner
Action Start
Action End
Assure Contractor's means and methods are consistent with specifications for protection of existing improvements.
Mues, Bob
8/1/2010
5/15/2015
Active
Develop contingency plan in the event of BDPL 1 or 2 failure and need for Ops access and repair.
Mues, Bob
12/1/2010
5/15/2015
Proposed
Contractor
9/1/2014
2/10/2015
Proposed
Mues, Bob
9/1/2014
2/10/2015
Proposed
Assure Contractor's Check functioning of submersible submersible pumps are pumps before planned shut-down. functioning well before the start of shut-down; check that Check suppliers through Contractor supplies of back-up pumps to verify supply of available back-up are readily available (if pumps. needed).
RR Bay Tunnel - 2010 10 8 (DRAFT2)R2 3 pt estimates 11 12 10
REGION/PROJECT:
Bay Tunnel
CONTRACTOR:
MJC-JV
Bay Tunnel Project ID Number PROJECT RISK REGISTER Award: $215,294,530 - NTP: 4/1/2010
Bob Mues (Phone: 206-818-7353)
PROJECT CM: CM CONSULTANT:
B
Jacobs Engineering
C
Risk Category
025
Safety
026
027
Security
Operations
Printed 9/28/2012 9:45 PM
Risk Description (Hazard/Risk Scenario)
D
Location
Earthquake (Major) Bay Tunnel
Terrorism - Direct Impact
Bob Mues
Prepared Date:
10/8/2010 N/A
Approved Date:
E
CURRENT ASSESSMENT F
G
H
I
J
K
L
M
Cause
Effect
Risk Plan Owner
Risk Status
Trigger Date
Expiration Date
Probability of Occurrence (P)
Act of God
Temporary site facilities may be damaged. May have to reexcavate shaft and portions of the tunnel to reaccess. Integrity of shaft and tunnel possisbly compromised.
Wong, Johanna
Open
8/5/2010
3/2/2015
1 - Rare
Physical Bomb, projectile damage or of any kind, biological Bay Tunnel biological contamination to contamination SFPUC Water etc. System.
Failure to meet contractual shutBay Tunnel down schedule for BDPL1 and BDPL2
Operations or other projects don't allow shutdown to make tie in at appropriate time.
Unable to complete tie in of Bay Tunnel (BDPL5) to BDPLs 1 and 2.
Wong, Johanna
Wong, Johanna
Open
Open
8/5/2010
9/14/2014
3/2/2015
2/10/2015
1 - Rare
1 - Rare
Impact to Costs, $ (S_cost)
5 - Catastrophic 5 - Catastrophic
2 - Minor
2 - Minor
O
P
Q
Impact to Costs, $
Impact to Schedule, Risk Min. Time, days Calendar Days Score (R) (S_schedule)
5 - Catastrophic 5 - Catastrophic
N/A
MITIGATION
For PPPCM use only
N
Severity of Impact (S)
Risk ID
Baseline Risk Register
Prepared By:
Approved By:
RISK IDENTITY & CAUSE A
Status Update:
15
15
4
0
0
30
Max. Time, days
Min. Cost, $
Most Likely Cost, $
Max. Cost, $
Scoring Rationale
Strategy
Risk Plan
0
0
0
0
0
Contractor Risk
Accept
Implementation of Safety Plan.
60
Page 7 of 7
0
365
0
100,000
0
200,000
S
T
U
Mitigation Action Items
Most Likely Time, days
0
R
0
Contractor Risk
300,000
Possible de-mob/remob of contractor or shift work to another contractor if the window is missed and has to be rescheduled.
Action Items
Action Owner
Actual Completion
Action Status
Action Start
Action End
9/1/2013
2/10/2015
Proposed
9/1/2014
2/10/2015
Proposed
Ensure proper physical security elements (fencing, Mitigation and response barriers, gates, etc.) and through additional ACAMS (access control and security and improved monitoring system) are in emergency place at all critical facilities. Mitigate preparedness to avoid Communications (ensure any damage that might result from a terrorism safety plan, standard protcol) event.
Keep current with WSIP program shut-down Mitigate schedules, contingency plans, and any changes.
Work with Ops on contingency schedule (either before or after) the Wong, Johanna planned shut-down to see if alternate date can be found.
Assure Contractor has all required shut-down submittals in on schedule.
Mues, Bob
RR Bay Tunnel - 2010 10 8 (DRAFT2)R2 3 pt estimates 11 12 10
