The information presented at the MTA System Expansion Industry Outreach on September 12, 2006 and provided herein is intended to provide general information about upcoming MTACC projects. It is provided with the understanding that any parties interested in submitting proposals or bidding on these projects should not rely on this information for any purpose beyond background information. The MTA shall not be responsible for any damage from any error, inaccuracy, or omission contained in the information provided herein. In all instances, documents provided with the formal invitation for bids or requests for proposal shall control. NOTICE
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Transcript
The information presented at the MTA System Expansion Industry Outreach on September 12, 2006 and provided herein is intended to provide general information about upcoming MTACC projects.
It is provided with the understanding that any parties interested in submitting proposals or bidding on these projects should not rely on this information for any purpose beyond background information.
The MTA shall not be responsible for any damage from any error, inaccuracy, or omission contained in the information provided herein. In all instances, documents provided with the formal invitation for bids or requests for proposal shall control.
NOTICE
No. 7 Subway Extension
2nd Ave Subway
East Side Access
September 12, 2006
Informational Outreach Meeting
AgendaOpening Remarks
No. 7 Subway Line Extension Project
2nd Avenue Subway Project
East Side Access Project
Break (15 min)
Procurement Issues
Questions
Capital Construction
Overview of MTA Capital Construction Company
Mysore L. NagarajaPresident
Capital Construction
Expanding the MTA’s Network
East Side Access Second Avenue Subway No. 7 Subway Line Extension
EAST SIDE ACCESS
2ND
AV
E. S
UB
WA
YP
HA
SE
1
NO. 7 LINE EXTENSION
Capital Construction
East Side Access Scope3½ route miles of tunnels
A new terminal station at GCT
New yards and shop New yards and shop
New Sunnyside StationNew Sunnyside Station
Capital Construction
East Side Access Status
Completed Environmental Process Completed Preliminary EngineeringOverall Design is 67% Complete $860 million of Construction Work AwardedMore than $1 Billion Programmed in 2007
Capital Construction
Existing Tunnel
ExistingLexington Ave /63rd St Station
72nd Street Station
86th Street Station
96th Street Station
Second Ave Subway Phase 1Scope:
Tunnels from 92nd St to 62nd St
Stations at 96th St, 86th St, 72nd St and 63rd St
63rd St Subway Connection
Track & Systems from 105th St to 63rd St
Service between 96th St & Brooklyn via Broadway Line
Capital Construction
Second Avenue Subway Status
Completed Environmental Process Record of Decision July 8, 2004Completed Preliminary EngineeringStarted Final Design in April 2006Construction to start in 2006
Capital Construction
10th AvenueStation
34th StreetStation
No. 7 Subway Project Scope
• 7,000 foot tunnel extension
• 2 StationsTenth Avenue
34th Street
Hudson Yard
Capital Construction
No. 7 Subway Line Extension Status
Completed Environmental Process Completed Preliminary EngineeringStarted Final Design in April 2005Construction procurement to start in 2006
Geotechnical Data Collection52 Boreholes were completed as part of the No. 7 Subway Line ExtensionInformation from 680 existing Boreholes was compiled from:
Port Authority of NY & NJAmtrakMTA Long Island RailroadNYC Department of Design and ConstructionNYC Department of TransportationUS Postal Service
Tunnel ID = minimum 19 feet 6 inches + construction tolerances;650 ft minimum horizontal radius;Full-face hard rock TBM with capability to negotiate short reaches of mixed face and possible soft ground conditions;Capable of negotiating very strong & very/extremely abrasive rock (Manhattan Schist & Pegmatites);Pre-cast segmental liner;Gripper, Shield or Double-shield type TBMs.
Use ultra low sulfur diesel fuelUse diesel engine retrofits (Filters) to reduce emissions
Dust ControlSpray dust suppressantsInstall containment for fugitive dust
Noise & VibrationSchedule activities to minimize cumulative noise & vibration in residential areas
Cultural and Historic ResourcesActivities in sensitive areas follow Historic Resource Management Plan ProceduresIf archaeology encountered, coordinate with NYSOPRHP and NYCLPC
Access and CirculationImplement MPT Plan coordinated with NYCDOT
Design for EnvironmentUse local, recycled and durable materialsRecycle, reuse and salvage materials during deconstruction
Contract #2:• Site J entrance tunnel and building construction• Sites P and K building structures and external
finishes
Contract #3:• 34th Street Station:
• Finishes• Site J and K internal finishes• Site P entrance finishes
• 10th Avenue Station:• Site L building construction and
finishes• Station finishes associated with Site L
construction• Site A building construction and finishes• Track, signal and systems installation
Contract #4 (construction not funded):• 10th Avenue Station finishes• Site M building construction and finishes• Site L finishes (partial)
Site K
Site P
Site J
Follow-on Contracts
Site M
Anil Parikh, P.E.Program Manager
Second Avenue Subway ProjectMTA Capital Construction
Second Avenue Subway
Scope:– Tunnels from 92nd St to 63rd St– Stations at 96th St, 86th St, 72nd St and 63rd St– 63rd St Subway Connection– Track & Systems from 105th St to 63rd St– Service between 96th St &
Brooklyn via Broadway Line
Benefits:– Relieves most crowded Lexington Avenue line
(86th St to Grand Central) – Connects to existing system
(Storage and Maintenance)– Early use of Tunnel Section
PHASE 1Capital ConstructionCapital ConstructionNew York City TransitNew York City Transit
THIRD AVENUE
SECOND AVENUE
FIRST AVENUE
92N
DStreet
72N
DStreet
69th
Street
95th
StreetTUNNELS
Shaft Site
Shaft Site
TBM LAUNCH BOX
Contract No. 4 Tunnels
TBM Tunneling
92nd Street TBM Launch Box
Shaft Sites
Future Tunnels
Contract 1: Scope of Work
94th
Stre
et
95th
Stre
et
96th
Stre
et
93rd
Stre
et
97th
Stre
et
Platform
92nd
Stre
et
Entrance 3
Entrance 2
Entrance 1 Ancillary 3
Emergency ExitAncillary 1
Second Avenue
Elevator
Entry Points
Properties Planned for Full AcquisitionProperties Planned for Partial Acquisition
Properties Planned for Subsurface EasementElevator
Bump Out
30% 15%
35% 20%
Contract No. 2 – 96th Street Station
NORTH
Contract No. 3 – 63rd Street Station
• Open and fit out platform north of present F Line
• Provide additional entrances at Third Avenue
• Additional ventilation to meet NFPA 130
NORTH
68th
Stre
et
69th
Stre
et
70th
Stre
et
71st
Stre
et
72nd
Stre
et
73rd
Stre
et
Platforms
Entrance and Ancillary
EntranceEntrance
Second Avenue
Elevator
Properties Planned for Full AcquisitionProperties Planned for Partial Acquisition
Properties Planned for Subsurface EasementElevator
Bump Out
Ancillary
Contract No. 4 - 72nd Street Station
5%
30%
30%
35%
Approx. 95 feet
App
roxi
mat
ely
50 F
eet
Approximately 95 Feet
Contract No. 4 - 72nd Street Station (Cross Section)
84th
Stre
et
NORTH
85th
Stre
et
86th
Stre
et
83rd
Stre
et
87th
Stre
et
Platform
82nd
Stre
et
AncillaryAncillary
Entrance 1 Entrance 2
Second Avenue
Elevator
Entry Points
Properties Planned for Full AcquisitionProperties Planned for Partial Acquisition
Properties Planned for Subsurface EasementElevator
15%
10%
45%
30%
Contract No. 5 - 86th Street Station
27’-8”
12’-0”43’-6”
61’-0”
69’-0”
23’
19’-0”8’-9”
Contract No. 5 - 86th Street Station (Cross Section)
7’-8”
• Communication Systems
• Power
Traction Power
• Signal
Design by MTA/NYCT
Conventional Signal System
• Track
Design by MTA/NYCT
Contract No. 6 – Systems and Track
Construction Management
• Constructability Review of Final Design
• Construction Management Services for Phase 1
• Assist in Closing out of Construction Contracts
Second Avenue Subway
Construction Details for Contract 1Christopher Bennett, P.E.
Design Director,DMJM+HARRIS*ARUP JV
THIRD AVENUE
SECOND AVENUE
FIRST AVENUE
92N
DStreet
72N
DStreet
69th
Street
95th
StreetTUNNELS
Shaft Site
Shaft Site
TBM LAUNCH BOX
TBM Tunneling
92nd Street TBM Launch Box
Shaft Sites
Contract 1: Scope of Work
• Rock Profile drops off north of 91st Street• Providing a vertical rock face to start TBM operation
Project Profile
(Existing) Lexington Ave /63rd St Station
72nd St Station86th St Station
96th St Station
• Essentially “hard” rock TBM drives but …• Abrasive rock• Faults and shear zones• Curve towards 63rd Street (616’ Radius)• Need to be prepared for fissures
• Final lining omitted through future cavern zones
TBM Tunneling
• Undulating bedrock profile, differs west from east
• Fill, overlying glacial silt, sand, gravel and decomposed rock in the valleys
• Rock typically strong (generally between 5,000-12,000psi) and competent gneiss and schist with pegmatite
• Faults/shear zones range from 1’ to 100’ thick
• Major faults identified at 90th to 92nd, 68th and 64th Streets
Geology
• Undulating bedrock profile, differs west from east
• Fill, overlying glacial silt, sand, gravel and decomposed rock in the valleys
• Rock typically strong (generally between 5,000-12,000psi) and competent gneiss and schist with pegmatite
• Faults/shear zones range from 1’ to 100’ thick
• Major faults identified at 90th to 92nd, 68th and 64th Streets
Geology
• TBM Tunnels (19’-6” Finished Diameter)
• Precast Concrete Segments (10” Thick)
• Steel Fiber Reinforced
10” GROUTING
Running Tunnels
19’6” Dia.
Contract 1 Schedule
•DESCRIPTION •2006 •2007 •2008 •2009 •2010
• 91st Street to 95th Street TBM Launch Box
• TBM Tunnels
• 69th Street & 72nd Street Shafts
• Terms & Conditions plus General Requirements including Division 1
• Contract Specifications
• Temporary Works Design Criteria Manual
• Contract Drawings
• CADD Manual
• Geotechnical Baseline Report
• Geotechnical Data Report
• General Alignment Environmental Sampling Program
• Potentially Contaminated Sites - Environmental Sampling Program
• Utility Test Pit Report
• Building Information Report
• Historical Geotechnical Information
Contract 1 Documents
Second Avenue Subway
Launch Box Construction
Permanent Slurry Walls93rd to 95th Streets
Temporary Secant Pile Walls South of 92nd to 93rd Streets
Work Zone(Typical)
4 Traffic Lanes Roadway Relocated
Onto Sidewalk
Existing 20’sidewalk curb
line
FireEmergency
Access(Typical)
Alternative Delivery Zone
(Typical)
TBM Launch Box ConstructionWest Side Excavation & Decking
Proposed MPT Plan
TBM Launch Box ConstructionEast Side Excavation & Decking
Work Zone(Typical)
4 TrafficLanes
Roadway Relocated Onto Sidewalk
FireEmergency
Access(Typical)
Alternative Delivery Zone
(Typical)
Temporary Decking
Proposed MPT Plan
Work Zone(Typical)
4 TrafficLanes
Roadway Relocated Onto Sidewalk
FireEmergency
Access(Typical)
Alternative Delivery Zone
(Typical)
Temporary Decking
Future Contract 2 Work Zone
Existing 20’sidewalk curb line
TBM Launch Box ConstructionTBM Operations: Transition Zone Between Contract 1 & 96th St. Station
Proposed MPT Plan
Second Avenue Subway
Status Of Third Party Interfaces
• Parks – 96th Street Park Available
• Third Party Coordination
Utilities –plans approved by each utility
DEP – approval of sewer and water plans
DOT – stipulations provided
Community – ongoing coordination through CB 8
Construction ActivityConstruction Activity Work HoursWork Hours
Surface Work for Launch Box
Surface Work for Launch Box
• 2 Shifts, 5 days/week: 7:00am to 10:00pm
• 1 Shift Saturday: 10:00 am to 7:00 pm
• 2 Shifts, 5 days/week: 7:00am to 10:00pm
• 1 Shift Saturday: 10:00 am to 7:00 pm
Underground WorkUnderground Work 3 Shifts, 7 days/week3 Shifts, 7 days/week
Trucking & DeliveriesTrucking & Deliveries• 2 Shifts, 5 days/week: 7:00am to 10:00pm• Some night deliveries for large equipment• 1 Shift Saturday: 10:00am to 7:00pm
• 2 Shifts, 5 days/week: 7:00am to 10:00pm• Some night deliveries for large equipment• 1 Shift Saturday: 10:00am to 7:00pm
Construction Work Hours
TRAFFICTRAFFIC
• Traffic monitoring program• Maintain 4 lanes through
construction zones• Keep cross street open (12 foot lane)
• Relocate bus stops to outside of construction zones