The World According to Systems (And What it Means for You)
description
Transcript of The World According to Systems (And What it Means for You)
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The World According to Systems (And What it Means for You)
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Presentation Overview
• Systems Overview• Background: Traction Power, Train Control,
Communications, and Systemwide Electrical• Conduit, Ductbanks, Cable Troughs &
Pullboxes• Niches, Stub-ups & Special Provisions• How This Affects You• Questions
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Systems Overview
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Systems Overview
Fremont Milpitas San Jose
Dixo
n La
ndin
g Tr
ench M
onta
gue
Tren
ch
Host
etter
Tr
ench
Berr
yess
a Ae
rial
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Systems Overview
Fremont Milpitas San Jose
Dixo
n La
ndin
g Tr
ench M
onta
gue
Tren
ch
Host
etter
Tr
ench
Berr
yess
a Ae
rial
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Systems Overview
Fremont Milpitas San Jose
S24 S26 S28 S40 S44 S50
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Systems Overview
Fremont Milpitas San Jose
S24 S26 S28 S40 S44 S50
SWA SKR SRR SHOSME SBE
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Systems Overview
Fremont Milpitas San Jose
S24 S26 S28 S40 S44 S50
SWA SKR SRR SHOSME SBE
SRC SLP
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Systems Overview
Fremont Milpitas San Jose
S24 S26 S28 S40 S44 S50
SWA SKR SRR SHOSME SBE
SRC SLP
SXB SXC
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Systems Overview
Fremont Milpitas San Jose
S24 S26 S28 S40 S44 S50
SWA SKR SRR SHOSME SBE
SRC SLP
SXB SXC
SDL SPD STZ SHR SLA
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Systems Overview
Fremont Milpitas San Jose
S24 S26 S28 S40 S44 S50
SWA SKR SRR SHOSME SBE
SRC SLP
SXB SXC
SDL SPD STZ SHR SLA
S25 S27 S29 S37 S45 S55Interlockings
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Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
Traction Power… What makes Trains Go.
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Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
34.5kV/FO Ductbank
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Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
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Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
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Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
TPSS’s
SWA SRRSKR SME SHO SBE
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SRRSKR SME SHO SBESWA
Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
TPSS’sAC
DC
1000V DC
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
To Contact Rail
1000V DC
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SRRSKR SME SHO SBESWA
Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
TPSS’sAC
DC
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
Contact Rail
Running Rail
1000V DCDC Pos.
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SRRSKR SME SHO SBESWA
Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
TPSS’sAC
DC
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
Contact Rail
Running Rail
1000V DCDC Pos.
BART Train Car
Paddles
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DC Pos.
SRRSKR SME SHO SBESWA
Traction PowerHVSS SLP
HVSS SRC
115kV 115kV
34.5kV Ductbank
WSX SVBX
TPSS’sAC
DC
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
Contact Rail
Running Rail
1000V DC
BART Train Car
Paddles
DC Neg.
Neg. Return
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Traction Power
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Communications
• Network• Unified Optical Network (UON)• Emergency Trip Stations (ETS)• Closed-Circuit Television (CCTV)• Access Control• Telephone• Public Address Systems (PA)• Supervisory Control and Data Acquisition (SCADA)• Radio• Railroad Intrusion Detection System (RIDS)
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Communications
• Network• Unified Optical Network (UON)• Emergency Trip Stations (ETS)• Closed-Circuit Television (CCTV)• Access Control• Telephone• Public Address Systems (PA)• Supervisory Control and Data Acquisition• Radio• Railroad Intrusion Detection System (RIDS)
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CommunicationsNetwork / UON
… backbone of the BART system.
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CommunicationsNetwork / UON
… backbone of the BART system.
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CommunicationsNetwork / UON
… backbone of the BART system.
UON Fiber EUON Fiber F
34.5kV FO
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CommunicationsRailroad Intrusion Detection System (RIDS)
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Communications
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Automatic Train Control
S24 S26 S28 S40 S44 S50
Milpitas Station
Berryessa StationTCH TCH TCH TCH
SWA SKR SRR SME SHO SBE
SSL
…They Drive Themselves
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Automatic Train Control
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Electrical
• Think conduit, ground wire, & ground rods
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Food Break…
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Conduit Types & Bend Radii
Conduit TypesBuried PVC
Exposed Galvanized Rigid Steel (GRS)
Or
Fiberglass Reinforced Epoxy (FRE)
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Cable Trough
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Cable Trough Constraints
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Ductbank Types & Constraints
Ductbank Type Routing Adjustments Stubup Adjustments
DC Pos Small Lateral: NoneLongitudinal: W/ SSH Permission
DC Neg Small None34.5kV/FO Very Small NoneElectrical Moderate Usually a few feet
Train Control High Lateral: NoneLongitudinal: W/ AR Permission
Communications High None
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Pullbox/Splicebox/MH Req’s & Constraints
Type Location AdjustmentsPullbox Lateral: None
Longitudinal: w/ SSH/AR permissionSplicebox None (request AR permission in
emergencies)Manhole Lateral: Sometimes away from the
track, never toward it.Longitudinal: Less than 5ft.
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Niche Req’s & Adjustment Constraints
Niche Type Longitudinal AdjustmentsETS (Blue Light) With SSH Systems Permission HVA NoneEXT Approx 5ft (toward ETS only)Track Switch NoneRIDS Within 5 ftSignal NoneLJB Within 5ft
No Vertical Adjustments Permitted
Conduit Stubups Must Match Niche Location
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Special Issues: SME
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Special Issues: SME
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Special Issues: SHO
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Sierra Lundy Tunnel
• Design coordination
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HOW THIS AFFECTS YOUSSH
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Guideway At-Grade
• Drainage coordination (w/ 34.5kV & cable trough)
• Structures coordination (w/ 34.5kV & cable trough installation)
• Be gentle (w/ stubups, trough & boxes)• When DC stubups go in, contact rail
positioning is set
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Trench
• Adjustments to crosswalks, niches, invert height, contact rail, and track forms will directly impact systems design & construction
• Systems/Electrical conduit is everywhere, call before you pour.
• We can adjust our routing, but end points are often fixed
• High level of coordination required at trench limits, station ends, overcrossings, and SME & SHO
• Niches and conduit must be properly aligned
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Aerial
• Window cutouts are fixed• Sleeves in the structure have to be moved if
contact rail design changes• Traction power, communications, and train
control conduit will transfer from the aerial to the ground on the north and south aerial structure
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Wayside
• Utility coordination• Precisely level, coordinated foundations are
key
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Stations
• We’re everywhere.• Guideway/Stations interfaces will be key
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Questions