August 2013 Contract Schedule Update Narrative Report

Contract Schedule Monthly Update August 2013 September 5, 2013

i

Silicon Valley Berryessa Extension Project SVBX - Contract No. C700

August 2013 Contract Schedule Update

Narrative Report

Section 01 32 16 2.03 Submitted: September 5, 2013

Skanska Shimmick Herzog Joint Venture 1436 California Circle

Milpitas, CA 95035


1

Contents

Summary of Work ......................................................................................................................... 2

Project Status 2

Status of Major Project Components ............................................................................................. 6

Major Submittals 6

Parcels / ROW 6

Permits 6

Design 7

Construction 9

Areas of Concern ......................................................................................................................... 12

Current and Potential Delays 12

Major Material and Equipment Procurement .............................................................................. 15

Changes in Scope ......................................................................................................................... 16

Contract Changes 16

Directive Letters 16

NCR LOG 16

Schedule Changes ........................................................................................................................ 17

Activities Added/Deleted/Modified 17

Relationships and Logic 17

Activity Durations 18

Other Changes 18

Weather ........................................................................................................................................ 19

Appendix A: Aug 2013 CPM Schedule – Critical Path .............................................................. 20

Appendix B: Aug 2013 CPM Schedule – sorted by WBS ........................................................... 21

Appendix C: Aug 2013 SVBX Monthly Tabular Report ............................................................ 22

Appendix D: Schedule Comparison Report ................................................................................ 23

Appendix E: Utility Coordination ............................................................................................... 24

Appendix F: Contract Submittal Schedule .................................................................................. 25

Appendix G: Parcels .................................................................................................................... 26

Appendix H: Permit Log ............................................................................................................. 27

Appendix I: Major Material and Equipment Procurement .......................................................... 28

Appendix J: Change Orders / Directive Letters / NCR Log ........................................................ 29


2

Summary of Work

The major focus during this past month was progressing design work from the various design units into

construction ready documents, preparing contract submittals required to begin construction, and

construction activities for the critical work in Montague Trench and Montague Expressway as well as

construction activities at both Hostetter Road and Berryessa Road.

The July 2013 update forecast a 5+ month (166 cd) delay to achieving Substantial Completion. The

project schedule slipped during August due to a conflict between the fiber optic cable alignment and

the location of two piles that are essential for the Milpitas Station shoring. The conflict was resolved by

reconfiguring the permanent fiber optic cable alignment and re-sequencing the 48” storm drain at

Montague Expressway. SSH is able to mitigate a portion of this slippage through implementing a recent

plan to install the 48” storm drain during a September weekend lane reduction. As a result of these

changes, the Substantial Completion forecast date slipped 11 days and is now forecast to be achieved

on October 22, 2016 instead of October 11, 2016. Overall, the Substantial Completion forecast date is

measuring a 177 calendar day delay (6 months) in comparison to BCS, Rev 2.0.

Project Status

SSH inserted additional milestones into the project schedule to provide a more comprehensive

summary view of the construction status. Included below is a comparison of these milestones between

the BCS, Rev 2.0 schedule, the prior monthly update (July 2013) and current forecast dates:

As shown in the above table, several of the milestones have shifted since the July 2013 update. Both

MS-2 and MS-3 milestones have slipped approximately 2 weeks, consistent with the overall delay to

project completion. MS-4 and MS-5 both slipped 116 days since last month due to re-sequencing of

the Berryessa Aerial Superstructure. MS-6 slipped another month however MS-6 is based on re-opening

Sierra/Lundy after full closure begins and this milestone is still planned to be achieved 270 cd after the

start of the full closure. SSH is still concerned with this milestone because the start of the full closure is

being delayed. SSH will be evaluating mitigation options to address this slippage.

BCS, Rev 2.0 July 2013 Update August 2013 Update Variance

Start Finish Start Finish TF Start Finish TF

Prior

Month

BCS, Rev

2.0

COMPLETION MILESTONES

MS-1 MS1 - All Design Work Required for C720 (04/15/13) 12-Apr-13 27-Mar-13 A -- 27-Mar-13 A -- 0 16

MS-2 MS2 - Handover Areas Req'd for C720 Milpitas Campus,

Roadway and Parking Structure (02/18/14)

21-Jan-14 23-Mar-15 * -398 3-Apr-15 * -409 -11 -437

MS-3 MS3 - Handover of Mont Expy & E. Capitol Ave (Western

Triangle) (10/11/15)

13-Aug-15 3-Nov-15 * -22 18-Nov-15 * -37 -15 -97

MS-4 MS4 - Handover Areas Berryessa Campus, Roadways &

Parking Structures (02/18/14)

18-Dec-13 23-Feb-15 * -370 19-Jun-15 * -468 -116 -548

MS-5 MS5 - Handover Police Zone Facility (04/29/15) 18-Dec-13 23-Feb-15 * 65 19-Jun-15 * -51 -116 -548

MS-6 MS6 - Re-Open Sierra Rd & Lundy Ave Intersection (270 cd

after start of full closure)

26-May-14 16-Jan-15 * -25 14-Feb-15 * -54 -29 -264

SC Substantial Completion ( FNTP + 1460 CD ) 28-Apr-16 11-Oct-16 * -166 22-Oct-16 * -177 -11 -177

PLC10 Punch List Duration (100 cd after SC) 29-Apr-16 6-Aug-16 12-Oct-13 19-Jan-17 -86 23-Oct-16 30-Jan-17 -97 -11 -177

PLC Punchlist Completion Deadline 6-Aug-16 19-Jan-17 -86 30-Jan-17 -97 -11 -177

FA10 Final Acceptance Duration (180 cd after SC) 29-Apr-16 25-Oct-16 12-Oct-16 9-Apr-17 -166 23-Oct-13 20-Apr-17 -177 -11 -177

FA Final Acceptance 25-Oct-16 9-Apr-17 * -166 20-Apr-17 * -177 -11 -177

Activity

ID Activity Name


3

Critical Path

The project schedule has multiple float paths that need to remain on schedule in order to meet the

project milestones. Appendix 1 of the Contract defines the critical path as “the longest continuous

sequence of Activities in the Current Schedule, with zero Float, which ends on a Contract Milestone

Date or Completion Deadline.” In other words, the project critical path is the longest continuous path

of activities from NTP through substantial completion that has the least amount of float. In addition to

the longest path, there are other near-critical paths due to relationships with the longest path and/or

through other project constraints that are necessary to maintain in accordance with the contract

specifications to ensure timely completion of the project.

Current Critical Path

Using the critical path definition described above, the current continuous sequence of activities

remains consistent with the July 2013 update. In general, the critical path continues to run through

activities related to work at or around Montague Expressway, then shifts to Montague Trench Section

6, then through Milpitas Station activities until shifting to activities related to S40 Equipment Room and

then finally through Phase 2 & 3 Functional sand Systems Integration Testing.

The critical path starts with the ongoing relocation of the 48” storm drain as well as the reconfigured

fiber optic cable installation at Montague Expressway as part of the Phase 3 work. SSH is planning to

complete a portion of the fiber optic line and the remaining 48” storm drain during a weekend lane

closure at Montague Expressway between September 13th and 15th, 2013 and will then complete the

fiber optic relocation concurrently with the construction of the curb, sidewalk and barrier for Phase 3 of

Montague Expressway O/H. Phase 3 and Phase 2 activities will continue until December 6, 2013. The

critical path then shifts to Montague Trench Section 6 starting with Excavation and Bracing on

December 10, 2013. The critical path will continue through Montague Trench Section 6 activities for

approximately 9 months until the removal of SOE on September 15, 2014. Completion of the

Montague Trench Section 6 will drive the start of construction at the Milpitas Station, which is now

scheduled to start on September 16, 2014. The critical path continues in the Milpitas Station for over

10 months until Permanent Power is available, which is forecast to occur on July 29, 2015. From here,

the critical path shifts to installing the equipment at Train Control House S40 and then through

Communications equipment and system testing at S40, forecast to complete by May 2, 2016. The

critical path will then shift to Systems Integration Testing activities, starting with Phase 2 – Reach 1

Dynamic & Systems Integration Testing and continuing through Phase 3 System Integration Testing.

Substantial Completion is currently forecast to be achieved on October 22, 2016. Substantial

Completion is followed by the remaining punchlist and closeout activities until Final Acceptance is

achieved on April 20, 2017. A copy of the CPM longest path is included in Appendix A – August 2013

CPM Schedule - Critical Path.

Critical Path Comparison

As stated above, the August 2013 critical path is generally consistent with the July 2013 update. There

were some changes made to the Montague Expressway Phase 3 sequencing, but the critical path is


4

consistent with the July update from the start of Montague Expressway Phase 2 activities in late

September 2013 through Substantial Completion.

The Montague Expressway O/H Phase 3 work is progressing well. The July update forecast the MT Sec

5.3 SOE to complete in early August followed by the abutment cap, F/R/P of the girders, and then

complete the F/R/P of the Structural Deck by September 6, 2013. The August update demonstrates

that the structural deck work started 1 day earlier than planned and is forecast to complete as

scheduled.

The successor activity, Construct Median, Curb, Sidewalk and Barrier, however will not start until

September 18, 2013 due to changes to the fiber optic cable installation. The July update planned for

both the fiber optic cable and 48” storm drain to be installed in phases concurrently with the Phase 3

O/H work. However, in August SSH determined a conflict between the existing FO line location and two

(2) essential pile locations that need to completed soon for connection to the Milpitas Station shoring.

SSH met with Santa Clara County to revise the permanent FO alignment to eliminate any temporary

replacements and jointly develop a re-route to put the FO in its final configuration and avoid impacting

the Milpitas Station shoring. This re-configuration consists of a joint trench within an existing casing

that will avoid Phase 3 and Phase 2 work. During Phase 1, the cable will need to be pulled through the

permanent casing.

A significant lane reduction is required at Montague to complete the re-configured FO line. SSH

recently received COM approval to schedule a weekend lane restriction starting September 13th in

which Montague Expressway will be reduced from a 3:3 down to a 1:1 configuration. This lane

reduction will enable SSH to complete some of the FO line (activity LE-FO-2.2) during this weekend and

install the remaining FO line work (LE-FO-3) by September 23, 2013. SSH will also be able to utilize the

weekend lane restriction to perform all of the remaining 48” SD installation at this location much more

efficiently, albeit over the weekend. The July update previously showed installation of the 48” RCP

Storm Drain (LE-SD-2.1, 2.2, and 2.3) through a phased approach, but SSH can now complete all of

these activities concurrently during the weekend.

The resulting impact of the revised sequence for the FO and 48” SD activities is a 9 cd slip to the start of

activity “Construct Median, Curb, Sidewalk and Barrier” from September 9th to September 18th. This

activity cannot begin until the FO line is complete. Therefore, instead of these activities being

completed concurrently with the Montague Expressway O/H work by early September to enable the

activity “Construct Median, Curb, Sidewalk and Barrier” to start on September 9th, the FO line re-

sequencing will push this successor activity to September 18th. Montague Expressway Phase 3 work

will complete shortly thereafter followed by Phase 2 activities, consistent with the July update.

The August 2013 update forecasts starting the Montague Trench Section 6 activities on December 10,

2013, which is approximately 2 weeks later than the July 2013 update forecast. The overall planned

duration of Montague Trench Section 6 from excavation & bracing through SOE removal did not change

and this section is forecast to complete by September 15, 2014, measuring a 2 week slip compared to

the July 2013 update. Completion of Montague Trench Section 6 is still driving the start of Milpitas

Station and therefore the start of this work is also showing the same slip. This slippage is carried

throughout the remaining critical path activities, as illustrated through a comparison of certain interim

milestones (Start Construction @ MS: 9/3/14 to 9/16/14; Permanent Power Available: 7/16/15 to

7/29/15; Complete S40 System Test COM Equip: 4/19/16 to 5/2/16). Accordingly, the forecasted


5

Substantial Completion date is showing a 11 calendar day slippage from October 11, 2016 to October

22, 2016.

Overall, the forecasted Substantial Completion date is measuring a 177 calendar day delay (6 months)

in comparison to BCS, Rev 2.0. SSH will continue to explore re-sequencing and other mitigation options

to minimize this project delay, however current mitigation options are primarily focused on avoiding

any further delay to this milestone. SSH has previously discussed with the VTA its position that the

project delay incurred to date consists of excusable delays for which SSH is entitled to a 6 month time

extension. SSH and VTA are currently discussing alternate ways to resolve this issue. Quick resolution

to this project issue will enable better planning and possible mitigation strategies going forward to

maintain a realistic completion date based on the events and impacts incurred to date.

Upcoming Critical Activities

The upcoming critical path activities are listed below.

• Pour structural deck – Montague Expressway Phase 3

• Weekend Lane Restriction work

o FO line (LE-FO-2.2)

o 48 “ SD (LE-SD-2.1, 2.2, and 2.3)

• Montague Expressway Phase 3 Flatwork

• Montague Expressway Phase 2 Traffic Setup

• Install SOE (integrated w/ utility work) –for Montague Trench Sec. 5.2 -


6

Status of Major Project Components

Major Submittals

There are approximately 1,735 submittals to be provided (not including design work packages

submittals) on the project. These submittals are included in the Contract Submittal Schedule, which is

being maintained in excel format and is included herein as Appendix F. The excel file includes a column

to differentiate the submittals into four major groupings: Project Management, Project Support,

Facilities, and Systems. SSH is continuing to populate the related P6 construction activities and

associated start dates for these submittals.

Parcels / ROW

The August 2013 update contains a total of 109 parcels. A status per city is provided below:

City Total

Parcels Not

Obtained Obtained

Prior to 7/26/13

7/26/13 thru 8/30/13

Fremont 15 15 0 0

Milpitas 46 18 26 0

San Jose 48 25 22 0

Totals

109 58 48 0

SSH is maintaining a Parcel tracking sheet, included herein as Appendix G: Parcels. It should be noted

that there are several parcel activities that currently indicate negative float. The negative float is due to

the individual parcels not becoming available prior to, or on the dates listed in Table 5.2 of Appendix 5.

However, based on a review of the construction successor activities to these parcel availabilities, there

is a significant amount of free float currently associated with some of these parcels. As such, SSH does

not believe there is any reason to initiate mitigation measures at this time and SSH will work with VTA

to determine the required dates for these parcels to avoid impacting construction. Appendix G: Parcels

has been updated to include needs dates for each parcel. Need dates that are within 4 months have

been highlighted red to show them as priority parcels. These need dates will be updated monthly.

Permits

Listed in Appendix H are permits that have been obtained recently and/or expected in the coming

weeks.

Contract Schedule Monthly Update

August 2013

Desig

Per the En

2013

Overall Design Status

Current Status of Design Units

DU 05

submit

a short Rev. 1 review period allowing approval of DU 05 prior to the

DU 06

coordination with all of the reviewers, SSH expects

and a

DU 07

1 on

review period allo

DU 08

complete on 10/2/13.

DU 10

an expected completion by 9/19/13.


August 2013

Design

Per the Engineering Progress Report No. 18

2013.



DU 05 – Fremont Guideway

submit RFC Rev. 1


DU 06 – Milpitas Guideway:

oordination with all of the reviewers, SSH expects

and a short overall

DU 07 – San Jose Guideway:

1 on 9/17/13. Due to the extensive coordination with all of the reviewers, SSH expects a short Rev. 1

review period allo

DU 08 – Trackwork:


DU 10 – Sierra/Lundy Intersection:



gineering Progress Report No. 18



Fremont Guideway: VTA

Rev. 1 on 9/27/13. Due to the extensive coordination with all of the reviewers, SSH expects


Milpitas Guideway: SSH plans to submit


overall Rev. 1 review period allowing approval of DU 06 prior to the

San Jose Guideway: A CRM meeting was held on 8/13

/13. Due to the extensive coordination with all of the reviewers, SSH expects a short Rev. 1

review period allowing approval of DU 07 by end

Trackwork: SSH submitted


Sierra/Lundy Intersection:



gineering Progress Report No. 18


VTA Comments

/13. Due to the extensive coordination with all of the reviewers, SSH expects


SSH plans to submit


Rev. 1 review period allowing approval of DU 06 prior to the

A CRM meeting was held on 8/13


wing approval of DU 07 by end

submitted DU08, RFC

Sierra/Lundy Intersection: SSH submitted FD, Rev 1 on 8/21/13. VTA review is on


7

gineering Progress Report No. 18, the overall design is 91

Comments to RFC, Rev.0 were



SSH plans to submit RFC Rev.1

oordination with all of the reviewers, SSH expects VTA to review the grades a week after submission


A CRM meeting was held on 8/13


wing approval of DU 07 by end of October

RFC drawings

SSH submitted FD, Rev 1 on 8/21/13. VTA review is on

design is 91 % complete as of the end of

to RFC, Rev.0 were received


a short Rev. 1 review period allowing approval of DU 05 prior to the end

RFC Rev.1 on 9/13/13

VTA to review the grades a week after submission


A CRM meeting was held on 8/13/13 and


tober.

drawings on 8/20/13 and plans for VTA’s review to


% complete as of the end of

received on 7/25/13


end of October

/13. Due to the extensive


Rev. 1 review period allowing approval of DU 06 prior to the end

/13 and SSH expects to submit RFC Rev.


on 8/20/13 and plans for VTA’s review to


September 5

% complete as of the end of

on 7/25/13. SSH plans


October.

Due to the extensive


end of October

SSH expects to submit RFC Rev.



SSH submitted FD, Rev 1 on 8/21/13. VTA review is on-going with

September 5, 2013

% complete as of the end of August

SSH plans to



October.

SSH expects to submit RFC Rev.



going with


8

DU 11 – Dixon Landing: SSH is planning to submit FD drawings on 9/6/13.

DU 14 – Trade Zone: SSH submitted RFC Rev. 1 on 8/14/13 and is developing FD drawings.

DU 15 – Mabury: SSH submitted FD, Rev 1 drawings on 8/15/13 and is planning for VTA Review for

these drawings to complete by the end of September.

DU 17 - Berryessa Aerial Guideway: Resolution for the station superstructure was achieved in August

and SSH is anticipating approval by the middle of September to allow the construction of the station

superstructure. VTA is currently in review of the north guideway structure and SSH anticipates approval

by 9/27/13.

DU 21 - Montague Trench: SSH is revising the trench structure back to the factor of safety of 1.0 per

the BFS versus the ACI 1.6. SSH anticipates being able to begin concrete trench work by mid-September

in Montague Trench Sections 1-4.

DU 22 - Hostetter Trench: SSH received VTA comments to RFC, Rev. 0 on 7/25/13 and is currently

reviewing these comments.

DU 23 – Milpitas Station: SSH submitted RFC design for DU23 in its entirety (substructure and building)

on 7/16/13. VTA is currently reviewing this design unit.

DU 24 – Berryessa Station: A RFC review status meeting was held on 7/17/13. During August, SSH

addressed various issues with the station platform design and a CRM meeting was held on 8/28/13 and

SSH plans to submit CRM disposition form this week.

DU 25 – Milpitas Wayside Facilities: VTA comments to RFC design were received on 6/18/13 with an

additional set of VTA comments received on 6/25/13. SSH is currently addressing these comments

while developing RFC, Rev 1 drawings. SSH plans to submit RFC, Rev 1 drawings on 9/6/13.

DU 26 – San Jose Wayside Facilities: SSH received VTA comments to RFC, Rev. 0 on 7/15/13 and a CRM

meeting was held on 8/27/13. SSH plans to submit RFC, Rev 1 drawings on 9/11/13.

DU 27 – Fremont Wayside Facilities: SSH received VTA comments to RFC, Rev. 0 on 7/26/13 and is

currently reviewing these comments.

DU 28 – Traction Power: SSH submitted FD drawings on 8/12/13 and FD AMD on 8/27/13.

DU 29 – Train Control: RFC design was submitted on 6/27/13 and is currently under review by VTA.

DU 30 WP1 – Trench Grounding: RFC design was submitted on 8/19/13 and is currently under review

by VTA.

DU 31 WP1 – Network/UON: RFC design was submitted on 6/19/13 and is currently under review by

VTA.


9

Construction

Throughout the month of August SSH continued to progress utility work, including the 42” SCVWD

waterline, at Piper Drive and at the Milpitas Campus. Montague Trench Sections 1-4 are prepped to

receive invert rebar, which section 4 currently being installed. Hostetter Road North structure has been

completed and the traffic switch to begin work in the south portion is schedule of the night of

September 9, 2013. The Berryessa Road closure continues and will remain closed in the foreseeable

future due to the need for installation of Bent 2 prior to 10/15/13. The BAS continues to progress with

the installation of piles on the south guideway.

Construction progress for all of the areas mentioned above has required extensive coordination with

multiple 3rd party agencies including but not limited to SJWC, PG&E, City of Milpitas, and City of San

Jose.

Major Intersections

SSH is trying to start in each major intersection as soon as reasonably possible to mitigate impacts

already incurred to date. Montague Expressway activities are on the critical path activity and other

intersections are showing negative float.

• Montague Expressway: SSH continued work on the southern 1/3 (Phase 3) of the bridge deck

structure, completing the abutment cap on 8/14/13 and carrying on with the installation of

girders on 8/23/13. The bridge deck construction began 8/26/13 and is planned to be poured

on 9/6/13. Construction of the curbs, sidewalks, and barriers will follow concrete curing. Phase

3 activities will be complete by the end of September. The soldier piles for Phase 2 are planned

to be complete by 10/9/13 and Phase 2 bridge deck construction will begin on 10/16/13.

• Capitol Avenue: SSH is currently forecasting to start the SOE for the south portion of the

Capitol Ave. bridge on 9/18/13 concurrently with the installation of the 42” waterline relocate

on the southern portion of Capitol Ave.

• Hostetter Road: SSH is currently continuing work on the north side of Hostetter Road (Phase 1).

Post-tensioning completed on 8/8/13 then sandblasting took place from 8/12/13 to 8/16/13.

Construction of the sidewalk and barriers is underway and expected to be complete for the

traffic switch to the south side closure around the 9th of September.

• Berryessa Road: The south side closure of Berryessa Road (Phase 1) is still in place. A portion of

the storm drain lines were completed in the intersection and construction of Bent 2 began on

8/12/13.

Trench Work

• Montague Trench: Work is still underway in trench sections 1.1 through section 4 (not

including 1.2). Excavation and bracing installation has been completed in all five sections.

Additionally, SSH installed subgrade and rock in sections 1.1 through 4 (not including 1.2).

Construction of section 4 has progressed with the installation of drainage and mud slab,


10

completed on 8/27/13, to installation of the invert which should be finished at the end of

September.

Stations

• Berryessa Station: SSH has completed construction of Bents 9-19 and 24-27 (not including Bent

19E). The construction of columns and regrading for Bents 19E through 23 is expected to be

completed the first week of September. SSH has completed the excavation and installation of

sheets and bracing for Bent 2. Pile driving is planned to begin 9/3/13.

• Milpitas Station: The class 1 soil in Milpitas station and plans to remove the soil early

September and transfer to Hostetter borrow pit to enable SOE installation to take place in

Milpitas Station area.

SSH Utilities

• Piper Drive Utilities –The utilities in Piper Drive are complete except for the portion of the

waterline underneath the shoofly which will need to be installed after the shoofly is removed.

• 42” SCVWD Waterline – SSH still anticipates to complete with the 42” waterline by the end of

September. SSH completed the installation of the 42” waterline under the Milpitas campus (LS-

06-W1.1) and through the north part of Capitol Ave. (LS-06-W-1.2) and is continuing through

the south part of Capitol Ave. (LS-06-W-1.3).

• Montague Intersection Utilities- SSH completed the installation of future casings (LE-E-3/4) in

the south portion of Montague Expressway on 8/29/13. The Falcon Drive bypass installation

began on 8/26/13 and is anticipated to finish early September.

• Milpitas Campus Utilities – SSH completed the installation of the sanitary sewer line through

Milpitas campus area. Construction on the storm drain is still underway and expected to be

finished late September.

3rd Party Utility Coordination

• PG&E: PG&E completed the tie-in of the TPG lines south of Capitol Avenue on 8/19/13, but still

needs to remove the existing lines. PG&E plans to remove these lines by 10/30/13, which will

complete its TPG Relocation scope of work. PG&E underground electrical (LS-05-E-2) and

overhead (LS-05-OHE-8) were completed on 8/19/13. PG&E’s overhead electrical (LS-05-OHE-7)

was completed on 8/30/13. All of these actual dates are later than the July 2013 forecast dates.

Although PG&E has completed relocations, their ongoing work to remove existing lines keeps

PG&E crews on the construction site.

• Chevron Schedule: Chevron completed its pipe removal in Hostetter intersection on 8/2/13.

This was the first of the Chevron pipe removals within an intersection.


11

• MCI Schedule: SSH is continuing to work with MCI to complete their work in Dixon Landing

Road and to begin additional relocates north of Calaveras Blvd.

• Air Products: AP completed their removal of the existing pipe on 8/9/13.

• SJWC: SJWC is continuing their work on the installation of their waterline in Trimble/Lundy and

are anticipating a completion date of 9/13/13.


12

Areas of Concern

In accordance with Specification Section 01 32 16 2.04C, SSH has identified numerous areas of concern.

SSH is proactively addressing these issues in conjunction with the VTA in an attempt to mitigate

potential future project impacts and delays. Notable potential impacts and problem areas along with

SSH current actions are included, but not limited to, the following list.

Current and Potential Delays

• Design: Design has been progressing over the last year, however there are still some

outstanding concerns that need resolution for SSH to start the associated construction

activities. The following is a list of SSH’s current concerns associated with design:

o DU 17: A re-design of the North section of the aerial guideway is required due to the

prescribed solution to move the hinge location. SSH has received approval of the

substructure and is currently constructing this portion. To date SSH has not received

approval on any of the superstructure. SSH is working closely with VTA to get approval

on the station portion as SSH is scheduled to construction false starting on September

17, 2013 and the superstructure construction will follow.

o Trench Structure Design - DU 21: Approved RFC packages for the Trench Structure

Design Units have slipped again due to the redesign of the concrete structure back to

the BFS FOS of 1.0 vs. the ACI FOS of 1.6. SSH anticipates these revisions will take a

couple of weeks to incorporate, which has impacted construction of the invert. SSH is

working closing with both its designers and VTA to minimize any further delays as the

first invert pour is scheduled for September 19, 2013.

o DU 023 Milpitas Station: DU23 RFC package was submitted on 7/16/13. SSH will

continue to work closely with VTA/BART and all other agencies to prevent a lengthy

design and approval process for these packages.

o Review procedures by COSJ: The COSJ review process mandates that RFC MCN

submission is not sufficient to allow work to begin, which is impacting the RFC review

process. The COSJ is requesting SSH to provide a clean set of documents (an FD set)

that incorporates the city’s comments and are subsequently stamped and sealed prior

to SSH beginning construction activities. SSH has been complying with this request,

which is an extra step in the approval process, and this could significantly impact the

start of the succeeding construction activities.

o Coordination with VTA and 3rd parties: The transition into construction with the

collaboration/coordination between VTA, SSH, and 3rd parties to get RFC approval for

DU’s to begin construction activities continues to be a concern. Currently, design units

have been fragmented in their approval with only portions getting approved at a time

and other portions going through multiple revisions prior to acceptance.


13

SSH Addressing Concerns: A more focused effort by VTA and SSH on completing DU’s

from definitive design to RFC.

• MCI: MCI relocation at Dixon Landing Road will delay the start of solider pile installation and

utility relocates as it is currently being communicated to SSH. Also the relocations along the at

grade portions of the guideway from Calaveras Blvd. to the beginning of the job at Station

45+00 will also impact the start of grading and retaining wall work in these areas. SSH is

working diligently with VTA/MCI to resolve these issues and get whatever lines need to be

relocated completed ASAP.

• 3rd

Party Utilities: Third party utilities have no contractual obligation to perform to SSH’s

schedule and the 3rd party utilizes have very long and unreasonable procurement and

mobilization periods. In some cases, these periods allow up to 1 year before the utility

companies’ complete mobilization to the site. Many of these utility companies have a

minimum of 6-months after the 1 year mobilization period to perform their scope of work with

some even allotted up to 1 year. These durations will greatly affect SSH’s ability to minimize

impacts to SSH construction activities.

SSH Addressing Concerns: SSH will diligently coordinate work with these utilities, and

alert VTA in writing, as to when a utility company needs to perform relocations.

Through this process SSH will discuss potential duration reductions for the 3rd party

work. In addition, SSH has identified utility work that could be revised from relocate

utilities to a “lift and lay” alternative which will also reduce their durations and have

been in discussions with these 3rd party utility companies and VTA regarding this

alternative.

• PG&E work: The following are SSH’s current concerns/potential delays associated with PG&E

work:

o HPG at Dixon Landing: PG&E redesigned their HPG line in Dixon Landing Road to a

directional bore to go under the BART trench structure. Current sequencing at Dixon

Landing Road Phase 1 has PG&E HPG directional bore occurring after the installation of

the soldier piles. PG&E may not be able to meet the required date to begin

construction due to the late design. SSH is evaluating its sequence for any potential re-

sequencing that could potentially mitigate this impact from extending the closure of

Phase 1 of Dixon Landing Road.

• CLOMR: The original design for CLOMR mitigation measures provided for installation of piping

at certain locations to allow water flow to be unimpeded across the VTA ROW. SSH received the

100 year flood elevations from VTA during the week of August 26, 2013. The elevations that

were given were higher than originally shown by VTA. These higher elevations have a potential

to impact the trench structure by causing thicker slabs for buoyancy and higher walls as well as

impacting the length of shoring due to deeper excavations at Capitol Avenue (Montague Trench

Section 7) and Montague Trench Sections 8-10. SSH is forecast a start of the Capitol Avenue

SOE installation on September 18, 2013. A slip to this date may cause SSH to be unable to

complete the road deck prior to the holiday period which would push the start back to January


14

2, 2013. SSH is working closely with its designer and VTA to fully understand the impact of

these recently received flood elevations and what the potential impacts are.


15

Major Material and Equipment Procurement

Listed in Appendix I are the major material and equipment procurement items for the next 120 days

included in the CPM schedule.


16

Changes in Scope

Contract Changes

SSH has received 33 change orders to date for approximately $8,893,117. Refer to Appendix J for a

listing of these change orders.

Directive Letters

A total of 109 Directive Letters have been issued through August 2013. SSH is currently evaluating the

potential schedule impact, if any, these directive letters may have to SSH’s current plan. Refer to

Appendix J for a complete listing of these directive letters.

NCR LOG

The NCR log contains 21 items issued as of August 30, 2103. Refer to Appendix J for the status of these

NCR’s.


17

Schedule Changes

SSH added approximately 200 activities in August, which were primarily associated to utility work and

design revisions. Additional activities were necessary to appropriately/more accurately

represent/reflect the work being performed and planned in the field which also helped to revise

relationship/logic to more accurately depict the current sequence planned in the field. A brief summary

of the changes is provided below and Appendix D provides a thorough review of the changes made to

the project schedule this month.

Activities Added/Deleted/Modified

• Added activities for ILB sequencing to add detail to what needs to be completed prior to the

opening of piper drive.

• Added Revisions to Design Units as required.

• Added an activity for CLOMR design that may impact Capitol Avenue construction and

Montague Trench Sections 8-10.

• Remove Waterproofing activities from sections 1-4 of the Montague Trench.

• Added utility activities to detail Sierra/Lundy section.

• Added various utility activities to Milpitas and San Jose segments to provide more detail.

• Added Bent 1 east and west activities.

• Added Bent 2 center activities.

• Divided the earthwork-cut/fill to subgrade, ductbank, and pullbox activities in Section B.09 into

five separate activities each based on stationing.

• Added activities for improvements at Flickenger.

Relationships and Logic

• Changed the sequence of the Hostetter Trench Section 1 SOE install concurrently with the

Montague trench Section 6 SOE install.

• Changed sequence of wayside facility sites to begin with SLP and continue to SHO/S44 to meet

equipment delivery schedule.

• Adjusted TPSS and TCH to reflect current design sequence.

• Adjusted SCC FO line to reflect current design and sequence. Installation will be performed over

weekend shutdown in permanent alignment and then will be placed in casing during Phase 1

activities.

• Adjusted Wayside facilities (SLP, SHO/S44, SKR/S26) to reflect current sequencing that will be

used to construct the site mainly utility feeds prior to site underground and grounding grids.


18

• Re-sequence Utilities on Piper Drive and Curtis avenue as some of the utility codes were

incorrect therefore some of the activity codes had to change (i.e. LS-05-W-8.1 became LS-05-W-

10.1 and LS-05-W-8.2 became LS-05-W-14, etc.)

• Revised logic associated with BAS to reflect current scope of north section

• Changed the sequencing on the BAS superstructure falsework to run linearly from the north

station to the south station to the south frame and then to the north frame, as opposed to

concurrently

• Changed the sequencing in B.09 to have ductbanks and laterals drive the retaining walls in

stations 209+74 to 261+00 and 289+50 to 313+50

• Added logic ties in BAS to enable the sequence: Bent 1 to Abutment 1 to Bent 28 to Abutment

29

• Changed the sequencing on some 42” waterline activities to run as construction does

• Changed the sequencing in Hostetter intersection to account for the activities for the siphon

Activity Durations

• Adjusted durations in the T-wall sequence to more accurately depict the construction method

that will be used to construct the T-Wall.

• Changed TPSS and TCH procurement to match current manufacturers’ delivery schedule.

Other Changes

• The rain day calendars have been revised through August 31, 2013 to reflect as-built conditions.

• Added C700 WBS coding to both new activities and existing activities that were missing this

detail

• Changed two (2) existing “Start on” constraints to “Start On or After” constraints per VTA

comments (LS-04-FO-2 & MOTTC-540)

• Updated Subcontractors to C700 Responsibility code

• Changed description of activities with VTA Review & Approve to VTA Review if the design unit

had not been approved and there is going to be Rev. 1 or higher. If design unit is still in review

or the drawings can be stamped to go to work then the description remained the same.

• Corrected any “actual” dates beyond the DD from the August 2013 update.

• Added Bid Packages to station procurement.

• Combined activity codes ASSHmain with bSSHmain.


19

Weather

SSH has included a reasonable allowance for days adversely impacted by weather-related events in the

CPM schedule. The allowance for weather-related events is incorporated into specified P6 calendars on

a monthly basis and these calendars are applied to construction activities that could potentially be

impacted by weather.

Project records indicate that there was zero non-work weather days recorded in August 2013. A

comparison between the monthly allowance and the actual non-work weather days is being tracked

using the following table.

Month Anticipated

Days Actual Days

Difference

12-Jun -- -- --

12-Jul -- -- --

12-Aug -- -- --

12-Sep -- -- --

12-Oct 1 -- 1

12-Nov 1 (1) --

12-Dec 3 (3) --

13-Jan 3 (1) 2

13-Feb 3 (1) 2

13-Mar 2 -- 2

13-Apr 1 -- 1

13-May -- -- --

13-Jun -- -- --

13-Jul -- -- --

13-Aug -- -- --

Since June 2012, the project has incurred six (6) non-work weather days compared to fourteen (14)

anticipated non-work weather days.


20

Appendix A: Aug 2013 CPM Schedule – Critical Path


21

Appendix B: Aug 2013 CPM Schedule – sorted by WBS


22

Appendix C: Aug 2013 SVBX Monthly Tabular Report


23

Appendix D: Schedule Comparison Report

Included Electronically Only


24

Appendix E: Utility Coordination


25

Appendix F: Contract Submittal Schedule


26

Appendix G: Parcels


27

Appendix H: Permit Log


28

Appendix I: Major Material and Equipment Procurement


29

Appendix J: Change Orders / Directive Letters / NCR Log

Documents

August 2013 Contract Schedule Update Narrative Report