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INSTALLATION OF THE OVERHEAD CONTACT SYSTEM SHALL BE IN
ACCORDANCE WITH THE REQUIREMENTS OF THE SPECIFICATIONS,
NATIONAL ELECTRICAL SAFETY CODE (NESC) AND THE APPLICABLE
THE DRAWINGS FOR THE OVERHEAD CONTACT SYSTEM IN A PROJECT
DRAWINGS. ADDITIONALLY, THEY ARE TO BE READ IN CONJUNCTION
WITH THE SPECIFICATIONS AND REFERENCED STANDARD DRAWINGS.
1.
2.
3. ALL OVERHEAD CONTACT SYSTEM EQUIPMENT AND ASSEMBLIES SHALL
CLEAR ALL APPROPRIATE CLEARANCE ENVELOPES AND ELECTRICAL
ALL FIELD CONNECTIONS SHALL BE BOLTED UNLESS OTHERWISE NOTED.
BOLT HOLES SHALL BE SIZED TO CLEAR BOLTS WITH ALLOWANCE FOR
PURPOSE, BOLT DIAMETER, AND GALVANIZING THICKNESS.
AESTHETICS SHALL BE A MAJOR CONSIDERATION OF THE DESIGN IN
4.
5.
UNLESS OTHERWISE NOTED, ALL MISCELLANEOUS STEEL BRACKETS,
FASTENERS AND FITTINGS SHALL BE DESIGNED AND MANUFACTURED,
6.
STANDARD DRAWINGS INCLUDE TECHNICAL SHEETS, TYPICAL SPAN
DRAWINGS, TYPICAL STRUCTURE DRAWINGS, AND ASSEMBLY DRAWINGS.
TECHNICAL SHEET DRAWINGS PROVIDE BASIC AND DEVELOPED DATA
RELATING TO THE OVERHEAD CONTACT SYSTEM AND ITS RELATIONSHIP
WITH OTHER EQUIPMENT AND SYSTEMS.
GENERAL ARRANGEMENT DRAWINGS TYPICALLY DEFINE AND SHOW THE
REQUIRED RELATIONSHIP BETWEEN MULTIPLE SPANS OF WIRING AND
MULITPLE STRUCTURES.
RELATIONSHIP BETWEEN VARIOUS OCS ASSEMBLIES NEEDED TO FIT OUT
TYPICAL STRUCTURE DRAWINGS SHOW A CROSS SECTION VIEW OF
INDIVIDUAL STRUCTURE TYPES AND THE RELATIONSHIP BETWEEN VARIOUS
OCS ASSEMBLIES NEEDED TO FIT OUT THE STRUCTURE.
STANDARD ASSEMBLY DRAWINGS SHOW ONE OR MORE ASSEMBLIES OF
GENERIC PARTS WITH REQUIRED DIMENSIONS, INSTALLATION REQUIREMENTS,
AND A BILL OF MATERIALS TABLE. ASSEMBLIES ARE IDENTIFIED BY
DISCRETE REFERENCE NUMBERS.
THE DETAILING OF ASSEMBLIES SHALL BE THE RESPONSIBILITY OF THE
CONTRACTOR. UNLESS OTHERWISE NOTED, CONTRACTORS AND SUPPLIERS
ARE ENCOURAGED TO PROVIDE THEIR OWN STANDARD ASSEMBLIES AND
COMPONENTS PROVIDED THAT THEY MEET THE REQUIREMENTS FOR
PURPOSE, DIMENSIONAL PERFORMANCE AND SPECIFICATION. DETAILING
SHALL INCLUDE PARTS IDENTIFICATION AND BILL OF MATERIALS
TABLE.
CONSISTENCY OF ASSEMBLIES AND PARTS SHALL BE MAINTAINED FOR
ALL APPLICATIONS THROUGHOUT THE PROJECT.
1.
2.
3.
4.
5.
6.
7.
8.
THE LOADING VALUES SHOWN ON STANDARD ASSEMBLY DRAWINGS ARE
FOR INFORMATION ONLY. SUCH VALUES MAY HAVE FORMED THE BASIS
FOR ASSEMBLIES CALLED FROM OTHER DRAWINGS. THE CONTRACTOR
SHALL DETERMINE AND RECORD THE ACTUAL LOADING CAPACITIES
FOR THE ASSEMBLIES AND COMPONENTS TO BE PROVIDED.
9.
AND COMPONENTS ARE SUBJECT TO APPROVAL OF THE DISTRICT.
WELDED AND GALVANIZED IN ACCORDANCE WITH THE SPECIFICATIONS.
TYPICAL SPAN DRAWINGS SHOW CONTACT WIRE SPANS AND THE
EACH SPAN OF A GIVEN TYPE.
CONSIST OF BOTH SITE SPECIFIC DRAWINGS AND STANDARD
GENERAL NOTESSTANDARD DRAWINGS
DISTRICT OF COLUMBIA.
CLEARANCE REQUIREMENTS. REFER TO DRAWINGS OCT-08 THROUGH
OCT-11 WHEN DETERMINING PANTOGRAPH CLEARANCE REQUIREMENTS.
ORDER TO MINIMIZE VISUAL IMPACT. WELL BLENDED ASSEMBLIES
AND COMPONENTS ARE DESIRED. ALL MATERIAL, ASSEMBLIES
POLE WITH BALANCE WEIGHT ANCHOR FOR CW
OCS POLE
POLE WITH FIXED TERMINATION ANCHOR FOR CW
OCS POLE WITH SINGLE CANTILEVER
OCS POLE WITH TWIN CANTILEVER
POLE WITH SINGLE BACK TO BACK CANTILEVERS
POLE WITH TWIN BACK TO BACK CANTILEVERS
OCS HEADSPAN
BRIDGE WIRE
SECTION INSULATOR - NON BRIDGE TYPE
SECTION INSULATOR - BRIDGE TYPE
CROSS CONTACT BRIDGE
OUT OF RUNNING CONTACT WIRE
IN RUNNING CONTACT WIRE
FULL CURRENT JUMPER
UN-INSULATED OVERLAP
INSULATED OVERLAP
DISCONNECT SWITCH
SURGE ARRESTER
CONTACT WIRE TENSION LENGTH & IDEFICATION NUMBER
OCS POLE/SUPPORT NUMBER
FA
CAB-SI
CA-TW
CA-SI
CAB-TW
HS
OOR
IR
IN-SPAN INSULATION
SW
SA
1 / 24
01
1234
OVERHEAD CATENARY STRUCTURES
XX
GENERAL NOTES AND LEGENDFOR OCS DRAWINGS
OCT-1
BW
BW
SHOP SUPPORT (SEE DWG. OC-24A)
OCS LEGEND LAYOUT
D.C.
STATEREGTOTAL
SHEETS
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NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
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M/W
MISC
M/L
MPH
MTG
N/A
NBR
NEC
MM
MNDOT
MP
METER (DISTANCE)
MESSENGER WIRE
mH MILLIHENRY
MH MANHOLE
MIN MINIMUM
MISCELLANEOUS
MAIN LINE
MINNESOTA DEPARTMENT OF
MOP MOTOR OPERATED
MILE POST - MORE PERMISSIVE SPEED
MPA MID POINT ANCHOR
MILES PER HOUR
MOUNTING
MT METRO TRANSIT
mV
MVA
MILLIVOLT
MEGAVOLT AMPERE
MW MEGAWATT
NN
NOT APPLICABLE
NB NORTH BOUND
NON-BRIDGING
NC NORMALLY CLOSED
NATIONAL ELECTRICAL CODE
NESC
NEG NEGATIVE
NATIONAL ELECTRICAL SAFETY CODE
NORTH, NEUTRAL
MCM THOUSAND CIRCULAR MIL
A
A
AB
AC
AL
AP
AMPERE
ANCHOR BOLT
ABD ABANDON, ABANDONED
ABUT ABUTMENT
ABV ABOVE
ALTERNATING CURRENT
ACI AMERICAN CONCRETE INSTITUTE
ACSR ALUMINUM CONDUCTOR, STEEL
ADJ ADJACENT
AFO AUDIO FREQUENCY OVERLAY
A/G AT GRADE
AISC AMERICAN INSTITUTE OF STEEL
ALUMINUM
APPROACH
APPROX APPROXIMATE
AREMA AMERICAN RAILWAY ENGINEERING &
MAINTENANCE OF WAY ASSOCIATION
ASSY ASSEMBLY
ASTM AMERICAN SOCIETY OF TESTING &
A/T
ATM ALONG TRACK MOVEMENT
ATR ABOVE TOP OF RAIL
ATS AUTOMATIC TRAIN STOP
AVG AVERAGE
AWG AMERICAN WIRE GAUGE
AWS AMERICAN WELDING SOCIETY
B
BC
BM
BL
BR
BZ
C
BAT BATTERY
B/B BACK TO BACK
BFA BY-PASS FEEDER ANCHOR
BIL BASIC INSULATION LEVEL
BLDG BUILDING
BASELINE
BEAM
BRIDGE
BRKT BRACKET
B-SPAN BODY SPAN
BTM BOTTOM
BTWN BETWEEN
BWA BALANCE WEIGHT ANCHOR
BRONZE
C
CB
CF
CELSIUS
CAB CABINET
CANT CANTILEVER
CAT CATENARY (CAT.)
AUTO TENSION ( A.T.)
CIRCUIT BREAKER
CCTV CLOSED CIRCUIT TELEVISION
CUBIC FEET
CHAM CHAMFER
CHGR CHARGER
CIP CAST-IN-PLACE
CKT CIRCUIT
CENTERLINE
ýÿ �T� CENTERLINE TO CENTERLINE
CISP CAST IRON SEWER PIPE
CLF CHAIN LINK FENCE
CLR CLEARANCE, CLEAR
COMM COMMUNICATIONS
AS AMMETER SWITCH
AF AUDIO FREQUENCY
APT AUXILIARY POWER TRANSFORMER
BKR BREAKER
BK BACK
AH AHEAD
BARR BARRIER
BOLT CIRCLE/BATTERY CHARGER
BOS BOTTOM OF STEEL
REINFORCED
CONSTRUCTION
(FORMERLY AREA)
MATERIALS
C CONTINUED
CR
CT
CS
CONC CONCRETE
COND CONDUCTOR
CONST CONSTRUCTION
CONT CONTINUATION, CONTINUOUS
CONTR CONTRACTOR
CND CONDUIT
CONDUIT RISER
CURRENT TRANSFORMER
CURVE-TO-SPIRAL
CTR CENTER
COMPT COMPARTMENT
CU COPPER
CW CONTACT WIRE
D
D
DEG
DGA
DIM
DISC
DLGT
DEPTH
DB DIRECT BURIAL
DC DIRECT CURRECT
DEGREE
DET DETAIL
DOWN GUY ANCHOR
DIA DIAMETER, Ø
DIMENSION ( DIM)
DISCONNECT
DISC SW DISCONNECT SWITCH
DOME LIGHT
DOC DEGREE OF CURVATURE
DS DOOR SWITCH
DWG DRAWING
E
E
EA
EHS
EQN EQUATION
EQPT
ETC
EXISTING
FAC FACILITY
FDN
FDR
FFJ FULL FEEDING JUMPER
FREQ
FOP
GB
FT
GALV
GROUND
GRD
GRSC
GTE
H
HDPE
HEX HEXAGONAL
HORIZONTAL
HPS
EAST
EACH
EB EASTBOUND
Ea SUPERELEVATION IN INCHES
EXTRA HIGH STRENGTH
ELEC ELECTRICAL
EL ELEVATION
EQ EQUAL
EQUIPMENT ( EQUIP)
ES EXTRA STRENGTH
ET CETERA
ETS EMERGENCY TRIP STATION
EXIST
FF FAHRENHEIT
FOUNDATION
FEEDER
FJ FEEDER JUMPER
FREQUENCY
FACE OF POLE
FOS FACTOR OF SAFETY
FS FAR SIDE
FT FEET, FOOT
F TO F FACE TO FACE
FIXED TERMINATION (F.T.)
FTG FOOTING
GGALVANIZED
GROUND BUS
G/L GROUND LINE
GND
GROUNDING DEVICE
GRS GALVANIZED RIGID STEEL
GALVANIZED RIGID STEEL CONDUIT
GRADE CROSSING
GENERAL TELEPHONE ELECTRIC
HD HARD DRAWN
HDG HOT DIPPED GALVANIZED AFTER
HIGH DENSITY POLYETHYLENE
HH HANDHOLE
HID HIGH INTENSITY DISCHARGE
HO HAND OPERATED
HORIZ
HIGH PRESSURE SODUIM
HRL HIGH RAIL LEVEL
H-SPAN HEAD SPAN
CY CUBIC YARD
FP FEEDER POLE
DIST DISTRIBUTION
EXTERNALEXT
EPR ETHYLENE PROPYLENE RUBBER
G CONTINUED
FABRICATION
HV
HSS
INC INCOMING
JB
kVA
KSI
K
KILOVOLT AMPERE
KSF
HIGH STRENGTH STEEL
HIGH VOLTAGE
HWY HIGHWAY
Hz HERTZ
II INTERLOCK
IB IMPEDENCE BONDS
ID INSIDE DIAMETER
IEEE INSTITUTE OF ELECTRICAL AND
IN INCH, INCHES
IJ INSULATED JOINT
INCL INCLUDE, INCLUDING
INSUL INSULATION
I/R IN RUNNING (RIDING CONTACT WIRE)
JJ JUMPER
JUNCTION BOX
JCT JUNCTION
KKIP
KCMIL THOUSAND CIRCULAR MILS
KILOAMPERE
kV KILOVOLT
KIPS PER SQUARE FOOT
KIPS PER SQUARE INCH
kW KILOWATT
L
IPT INTERFACE PHASE TRANSFORMER
IL LINE CURRENT
HVAC HEATING VENTILATION AIR
JJ (2) JUMPERS
ELECTRONIC ENGINEERS
LB
LPT
LS
LTS
POUND, POUNDS
LB/FT POUNDS PER FOOT
LED LIGHT EMITTING DIODELF
LG LONG, LENGTH
LTG LIGHTING
LOC LOCATION
LOW POINT
LRT LIGHT RAIL TRANSIT
LT LIGHT OR LEFT
LIGHTS
LV LOW VOLTAGE
LUMP SUM/LINE SECTION/LINE
SEGMENT
CONDITIONING
TRANSPORTATION
NOM
NR
No.
NS
NS
NIC NOT IN CONTRACT
NO NORMALLY OPEN
NUMBER
NOMINAL
NOT REGISTERED
NEAR SIDE
NOT SUPPORTED
NSR NOT SUPPORTED OR REGISTERED
NTS NOT TO SCALE
OD
OCS
P/T
PVC
PS
PUC
ON CENTER
OVERHEAD
P
PC
PE
PGRS
POS POSITIVE
POUNDS PER SQUARE FEET
PT
OOC
OVERHEAD CONTACT SYSTEM
OUTSIDE DIAMETER
OH
OHB OVERHEAD BRIDGE
OVERLAP
O/R
O/L
OUT OF RUNNING (NON-RIDING
PAN PANTOGRAPH
PB PULLBOX
POINT OF CURVE
PHOTOELECTRIC CELL
PF POINT OF FROG
PVC COATED GRSC
PH PHASE
PI POINT OF INTERSECTION
PL
PITO POINT OF INTERSECTION OF TURNOUT
PLATE
P/L PROPERTY LINE
PLAT PLATFORM
PRE-C PRE-CAST CONCRETE
PROP PROPOSED
POINT OF SWITCH
PSF
PSI POUNDS PER SQUARE INCH
POINT OF TANGENT
POCKET TRACK
PUBLIC UTILITY COMMISSION
POLYVINYL CHLORIDE COUNDUIT
(PVCC) OR POINT OF VERTICAL
PWR POWER
PD POWER DISTRIBUTION PANEL
CONTACT WIRE)
R
R
RE
SCAT
SOP
SPEC
RW
S
SQ
REF
RTU
RRX
SOUTH
SB
SI
SIG
SET OUT POINT
SPST
RADIUS
RUNNING EDGE OF RAIL
RECT RECTIFIER
REFERENCE
REV
REQD REQUIRED
RT RIGHT
REMOTE TERMINAL UNIT
RR RAILROAD
RAILROAD GRADE CROSSING
RETAINING WALL
R/W RIGHT OF WAY
S
SOUTHBOUND OR SPLICE BOX
SECT SECTION
SC SPIRAL TO CURVE OR SIGNAL/
SIMPLE CATENARY AUTO TENSION
SCFT SIMPLE CATENARY FIXED TERMINATION
SECTION INSULATOR
SIGNAL
SPECIFICATION
SPS SMALL PART STEELWORK
SINGLE POLE SINGLE THROW
SQUARE
SA
SAP
SURGE ARRESTOR
SUBSTATION ALARM PANEL
SUPERVISORY CONTROL AND DATA SCADA
QQTY QUANTITY
RPZ RUNWAY PROTECTION ZONE
REVISE/REVISION
SP SURGE PROTECTION
COMMUNICATION
ACQUISITION
SWFT
SWHT
TEL
TO
TBR
TEM
SQUARE INCHES
STANDARD
TERM
T/F
TURNOUT
TORW
TRAC
TPT
Sq Ft SQUARE FEET
Sq In
S-SPAN STEADY SPAN
SST STAINLESS STEEL
ST SPIRAL TO TANGENT (CONFLICT
STA STATION, STATIONING
STD
STRUCT STRUCTURE
SU STUB-UP
SUSP SUSPENDED
SW SWITCH
SWA SINGLE WIRE ANCHOR
SINGLE WIRE FIXED TERMINATION
SWH SWITCH HEATER
SWITCH HEATER TRANSFORMER
T
TB
TBD TO BE DETERMINED
TO BE REMOVED
TE TRACTION ELECTRIFICATION
TELEPHONE
TEMP TEMPERATURE
TEMPORARY
TERMINAL, TERMINATION
TOP OF FOUNDATION
T/G TOP OF GROUND LINE
TL TENSION LENGTH OR TRACK LIGHTING
T/LR TOP OF LOW RAIL
TOR TOP OF RAIL
TOP OF RETAINING WALL
TRACTION POWER TRANSFORMER
TRACTION
TPSS TRACTION POWER SUBSTATION
TAP BOX, TERMINAL BLOCK
TIE SWITCH
THK THICK
T
STREET)
T CONTINUED
TTC
TRK TRACK
TS TANGENT TO SPIRAL
TELEPHONE TERMINAL
TVM TICKET VENDING MACHINE
TWA TIE WIRE ANCHOR
TWC TRAIN-TO-WAYSIDE
TYP TYPICAL
TRANSF TRANSFORMER
UG
UGB
UTIL
V/S
UUNDERGRADE,
UNDERGRADE BRIDGE
U/S UNDERSIDE
UTILITY ( UTIL)
VV VOLT
VA VOLT AMPS
VERT VERTICAL
VERSINE
VS VOLTMETER SWITCH
W
W/O
WWF
W WATT, WIDTH OR WIRE
W/ WITH
WB WESTBOUND
WI WEIGHT - WROUGHT IRON
WITHOUT
WF WIDE FLANGE
WELDED WIRE FABRIC
X
CROSSOVER
Y
XFMR TRANSFORMER
X-ING CROSSING
XOVER
XPASS CROSS PASSAGE
X-SECT CROSS SECTION
X-SPAN CROSS SPAN
YYARD
YL YARD LEAD
CROSS BOND.X-BOND
CURVE
CABINET
COMMUNICATIONS
UNDERGROUND
FA FIXED ANCHOR
HT HEIGHT
ý
GC
MW MESSENGER WIRE
M CONTINUED
ZZBOND IMPEDANCE BOND
kA
KN KNUCKLESWAT SINGLE WIRE AUTO TENSION
S/E SUPERELEVATION
MAX MAXIMUM
SHEET
OVERHEAD CATENARY STRUCTURES
XX
ABBREVIATIONS
OCT-2
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
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NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
SHEET OF XXX\\p
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000 ’
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N.
90% SUBMITTAL 11-21-201209-04-2012
WIRES, EFFECTIVELY
WITHIN THE LIMITS OF
RURAL DISTRICTS
GROUNDED CONTINUOUSEXCEEDING 750 VOLTS TO GROUND
OF ALL VOLTAGES
METAL -SHEATH CABLES
COMMUNICATIONS
WIRES, AND GROUNDED
SURGE-PROTECTION
GUYS, SPAN WIRES
(15)
(13)
(10)
OPEN SUPPLY
CONTACT
LINE WIRES,
WIRES AND
ASSOCIATED
SPAN OR MES-
SENGER WIRES
RAILS
OF RAILROADS
ROADS,
STREETS,
18’
(3)
20’
18’ 20’
(8)
21’
18’
(4)
18’ 20’
(5)
16.5’
(8)
20’
16’
DRIVEWAYS
AND OTHER
AREAS NOT
SUBJECT TO
RESIDENTIAL
SUBJECT TO
SEE NOTE 2
WHEN WIRES CROSS OVER OR OVERHANG
SPACES OR
TO PEDESTRIANS
ONLY
WAYS ACCESSIBLE
ROADS,
STREETS OR
WHEN WIRES RUN ALONG ANDTRUCK TRAFFIC
RIGHTS-OF-WAY BUT DO NOT
OVERHANG THE ROADWAY
HIGHWAYS OR OTHER ROAD
ALLEYS
16’
18’
12’
(5) (8)
15’ 18’
15’15’
15’ 20’
(8)18’
20’ 20’18’
(7)
14’(8)
0 TO 750 VOLTS TO GROUND
0 TO 750 VOLTS
750 TO 22,000 VOLTS
22,000 TO 470,000 VOLTS
ROADS IN
CALLOUT OF RELATED GENERAL NOTE
18’
18’15’
GUYS, MESSENGERS,
WIRES 0 TO 750 VOLTS WIRES 750 TO
SEE NOTES 11 & 12
EFFECTIVELY GROUNDED WITH A
(16)
(10)
(16)
6’
6’(14)
4’2’
2’
(15)
2’
2’ 2’(10)
2’ 2’(10)2’
2’
4’
2’ 2’
2’(16)
2’
2’
(10)(14)
4’ 6’
(16)
2’
(16)2’
(10)
2’
(16)
4’
(16)
6’
(16)
4’
2’
2’ 2’ 4’
SERVICE DROPS
CONDUCTORS
OPEN SUPPLY
COMMUNICATIONS
CONDUCTORS, CABLES
AND MESSENGERS
OR SUPPLY CABLES OF 0 TO 750V
CONTINUOUS METAL SHEATHS
EFFECTIVELY GROUNDED
ALL VOLTAGES HAVING
SUPPLY CABLES,OPEN SUPPLY
BARE MESSENGER
OPEN SUPPLY
22,000 VOLTS
OPEN SUPPLY
WIRES 22,000 TO
50,000 VOLTS
NEUTRAL CONDUCTORS
GUYS, SPAN
PROTECTION
WIRES, SURGE
WIRES AND
GROUNDED
NEUTRAL
CONDUCTORS
AND MESSENGERS
1. ALL CLEARANCES SHALL COMPLY WITH THE CURRENT ISSUE OF
3. IF A COMMUNICATION SERVICE DROP OR A GUY WHICH IS EFFECTIVELY
GROUNDED CROSSES RESIDENTIAL STREETS AND ROADS, THE CLEARANCE
THIS REDUCTION IN CLEARANCE DOES NOT APPLY TO ARTERIAL STREETS AND
MAY BE REDUCED TO 16 FT. AT THE SIDE OF THE TRAVELED WAY PROVIDED
HIGHWAYS WHICH ARE PRIMARILY FOR THROUGH TRAFFIC. USUALLY ON A
4. FOR COMMUNICATIONS CABLES SUPPORTED ON A MESSENGER, AND WITH SPAN
17’-0" ABOVE OR ALONG LOCAL STREETS OR ROADS. THIS REDUCTION DOES
5. THIS CLEARANCE MAY BE REDUCED TO 12 FT., FOR SUPPLY CONDUCTORS
NOT APPLY FOR ARTERIAL STREETS OR HIGHWAYS WHICH ARE PRIMARILY
DROPS LIMITED TO 300V TO GROUND.
8. FOR VOLTAGES EXCEEDING 22,000 VOLTS, THE CLEARANCE SHALL BE
INCREASED BY 0.4 INCH FOR EACH 1,000 VOLTS, OR FRACTION THEREOF
CONDUCTORS.
7. THIS CLEARANCE MAY BE REDUCED TO 13.5 FT., FOR COMMUNICATION
REFER TO NATIONAL ELECTRICAL SAFETY CODE.
9. THESE CLEARANCES MAY BE REDUCED TO 25 FT. WHERE PARALLELED BY
6. THIS CLEARANCE MAY BE REDUCED TO 10.5 FT., FOR INSULATED SERVICE
LIMITED TO 300V TO GROUND.
LENGTHS NOT EXCEEDING 150 FT., THE CLEARANCE MAY BE REDUCED TO
2. THESE CLEARANCES DO NOT ALLOW FOR THE FUTURE ROAD RESURFACING.
10. FOR VOLTAGES EXCEEDING 22,000V, THE CLEARANCE SHALL BE INCREASED
22,000 VOLTS. IF BOTH UPPER AND LOWER WIRES EXCEED 22,000 VOLTS
CALCULATE INCREASES SEPARATELY FOR UPPER AND LOWER WIRES AND ADD
BOTH TO CLEARANCE. FOR VOLTAGE ABOVE 470,000 VOLTS, SEE N.E.S.C..
11. FOR CLEARANCE PURPOSES, INSULATED, NON-SHIELDED CABLES CARRYING
BY 0.4 INCH FOR EACH 1,000 VOLTS OR FRACTION THEREOF, IN EXCESS OF
TROLLEY-CONTACT CONDUCTOR ON THE SAME STREET OR HIGHWAY.
IN EXCESS OF 22,000 VOLTS. FOR VOLTAGES IN EXCESS OF 470,000 VOLTS,
SUPPLY CONDUCTOR CARRYING 0 TO 750 VOLTS.
EFFECTIVELY GROUNDED BARE MESSENGER SHALL BE TREATED AS OPEN
750 TO 2,900 VOLTS SUPPORTED ON AND CABLED TOGETHER WITH AN
COVERED WITH A CONTINUOUS AUXILIARY SEMICONDUCTING SHIELD IN
COMBINATION WITH SUITABLE METALLIC DRAINAGE AND SUPPORTED ON
INTERCONNECTED.
HORIZONTALLY FROM A COMMUNICATION STRUCTURE.
OF 750V TO 8.7KV CROSS A COMMUNICATION LINE MORE THAN 6 FT.
FOR THROUGH TRAFFIC, USUALLY ON A CONTINUOUS ROUTE.
AND CABLED TOGETHER WITH AN EFFECTIVELY GROUNDED BARE MESSENGER
SHALL BE TREATED AS OPEN SUPPLY CONDUCTOR CARRYING 0 TO 750 VOLTS.
CONTINUOUS ROUTE.
AND MESSENGER WIRES FROM EACH OTHER IN LOCATIONS WHERE NO
MUTUAL CONSENT OF THE PARTIES CONCERNED, SUBJECT TO THE
FIRE ALARM CONDUCTORS AND CONDUCTORS USED IN THE OPERATION OF
RAILROADS, OR WHERE ONE SET OF CONDUCTORS IS FOR PUBLIC USE AND
THE OTHER IN THE OPERATION OF SUPPLY SYSTEMS.
16. IN GENERAL, THIS TYPE OF CROSSING IS NOT RECOMMENDED.
APPROVAL OF THE REGULATORY BODY HAVING JURISDICTION, EXCEPT FOR
OTHER CLASSES OF CONDUCTORS ARE INVOLVED MAY BE REDUCED BY
15. THE CLEARANCE OF COMMUNICATION CONDUCTORS AND THEIR GUY, SPAN,
14. THIS CLEARANCE MAY BE REDUCED TO 4 FT. WHERE SUPPLY CONDUCTORS
13. THIS CLEARANCE MAY BE REDUCED WHERE BOTH GUYS ARE ELECTRICALLY
12. FOR CLEARANCE PURPOSES, CABLES OF ANY VOLTAGE OVER 750 VOLTS,
THE NATIONAL ELECTRIC SAFETY CODE.
THE CLEARANCE AT THE CENTER OF THE TRAVELED WAY IS AT LEAST 18 FT.
4’
4’
6’
6’
2’ 4’
22,000 TO 470,000 VOLTS
750 TO 22,000 VOLTS
0 TO 750 VOLTS
CONDUCTORS,
CABLES
COMMUNICATION, SPAN
AND LIGHTNING
PROTECTION
ARC WIRES,
AND SERVICE
DROPS
(EXCEPT ELECTRIFIED RAILWAYS) ALLEYS AND
OTHER AREAS
TRUCK TRAFFIC
22’
22’
27’
(9)
(9)
27’
28’
(9)
(8)
28’
(6)
20’
MINIMUM VERTICAL WIRE CLEARANCE ABOVE GROUND OR RAILS
MINIMUM VERTICAL WIRE CLEARANCE ABOVE GROUND OR RAILS
NOTES:
XX
OVERHEAD CONTACT SYSTEMTECHNICAL SHEET
VERTICAL ELECTRICAL CLEARANCE
OCT-3
FOR NON-OCS WIRES
D.C.
STATEREGTOTAL
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FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
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NATIONAL ELECTRIC SAFETY CODE.
ALL CLEARANCES SHALL COMPLY WITH
UNDER THE FOLLOWING CONDITIONS:
VERTICAL CLEARANCES APPLY TO CONTACT WIRES
ABOVE GROUND IN
AREAS ACESSIBLE
TO PEDESTRIANS OR
DRIVEWAYS, PARKING LOTS
AND ALLEYS SUBJECT
TO ANY VEHICLE EXCEEDING
8 FT HEIGHT
OVER GROUND
PARALLEL TO AND WITHIN
R.O.W. OF PUBLIC STREETS
BUT NOT OVERHANGING
ROADS, STREETS, AND OTHER
AREAS SUBJECT TO ANY
VEHICLE EXCEEDING
TRACK RAILS OF RAILROADS
(EXCEPT ELECTRIFIED
RAILROADS USING OVER-
HEAD CONDUCTOR.)
CONTACT WIRES AND ASSOCIATED SPAN WIRES
GROUNDED GUYS
23
’-6
"
22
’-0
"
15
’-6
"
18
’-0
"
18
’-0
"
15
’-6
"
15
’-0
"
18
’-0
"
9’-
6"
16
’-0
"
4’
4’
4’
4’
6’
SE
E N
OT
E 5
SUPPLY LINES GREATER THAN 22KV
SUPPLY LINES 750V-22KV
SUPPLY LINES 0V-750V
SURGE PROTECTION WIRES
COMMON WIRES,CABLES & MESSENGERS
GUYS & SPAN WIRES
NO WIND, WITH FINAL SAG IN THE WIRE.
B. SPAN LENGTHS NOT GREATER THAN THE
FOLLOWING:
SINGLE CONTACT WIRE - 120 FT.
ALL CLEARANCES ARE MINIMUM VALUES.
FOR VOLTAGES EXCEEDING 22KV (UP TO 470KV)
THE CLEARANCE SHALL BE INCREASED BY 0.4 INCHES
FOR EACH 1KV, OR FRACTION THEREOF, IN EXCESS OF
22KV.
VERTICAL CLEARANCES APPLY TO NON-OCS CONDUCTORS
B. OR MAXIMUM CONDUCTOR TEMPERATURE IS GREATER
13’-
10"
OVERHEAD BRIDGE OR TUNNEL
OCS CONTACT WIRE CLEARANCES
ABOVE RAIL
1.
2.
3.
4.
5.
8 FT HEIGHT
ROADWAY
RESTRICTED TO RIDERS ON
HORSES, ANIMALS, AND
VEHICLES LESS THAN 8 FT HEIGHT
CONTACT WIRES
WIRE WITH NO ICE OR UNDER THE FOLLOWING CONDITIONS:
CONTACT WIRE OR SPAN WIRE ABOVE OCS CONTACT WIRES OR SPAN
PRODUCES THE LARGEST SAG AND O.C.S. CONTACT WIRES,
AND SPAN WIRE WITH NO ICE.
NON O.C.S. CONDUCTOR CLEARANCES ABOVE CONTACTSEE NOTE 4
SEE NOTE 3
OCS WIRE CLEARANCES ABOVE GROUND OR RAILS
NOTES:
A. CONDUCTOR SAG AT 120 DEGREES F
THAN 120 DEGREES F
C. OR 32 DEGREES F WITH RADIAL ICE OF 0.25 INCHES WHICHEVER
A. CONDUCTOR TEMPERATURE OF 60 DEGREES F, NO ICE
XX
OVERHEAD CONTACT SYSTEMTECHNICAL SHEET
VERTICAL ELECTRICAL
OCT-4
CLEARANCE REQUIREMENTS
D.C.
STATEREGTOTAL
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NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
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POUNDS
- (NORMAL OPERATION)
UNITS6. WIRING INSTALLATION TOLERANCES
INCHES
INCHES
INCHESPOLE BASEPLATE ELEVATION
FOUNDATION ELEVATION
LOCATION ACROSS TRACK
STRUCTURE (FOUNDATION)
4. TOLERANCES AND RELATED INFORMATION
2.671 INCHES
1.50 INCHES TO EACH SIDE
13.00 FEET
0.50 INCHES
41.3 INCHES
66.1 INCHES
A. TRACK
VERTICAL
CROSS LEVEL
HORIZONTAL
TRUCK CENTERS
BOUNCE (MAXIMUM)
GAUGE
OVERALL WIDTH
C. PANTOGRAPH
MAXIMUM CARBON WEAR
TRUCK WHEELBASE
MAXIMUM DEFLECTION RELATIVE TO CAR (SWAY)
LENGTH (OVER COUPLERS)
WIDTH (EXCLUDING MIRRORS)
ROLL TO EACH SIDE - (FAILED SUSPENSION)
LATERAL DISPLACEMENT (EACH SIDE)
B. VEHICLE (ARTICULATED)
-0.25 TO +0.25 INCH
0.50 INCH
1.00 INCH
0.625 INCHES
DIRECT FIXATION
DESIGN CRITERIA
OPEN ROUTETEMPERATURE
1. CLIMATIC PARAMETERS
CONDITION
2. ELECTRICAL CLEARANCES
SECTIONS
IN-STREETUNITS
DEGREES0.50
ITEM
3. CATENARY SYSTEM PARAMETERS
FOUNDATION DEFLECTION (MAX.)
WIRE HEIGHT DUE TO LIVE LOAD (NOTE 4)
MAXIMUM POLE DEFLECTION AT CONTACT
WIND C/W
ICE COVER
INCHES
INCH
INCH
3.00 INCHES
5. FOUNDATION INSTALLATION AND POLE TOLERANCES
UNITSFOUNDATION LOCATION ALONG TRACK
- OPEN TRACK
- TRACK CURVE LESS THAN 500 FT RADIUS
- ADJACENT TO SPECIAL TRACKWORK
- SPAN CHANGE BETWEEN TWO ADJACENT
FOUNDATION OFFSET
FEET
FEET
FEET
FEET
INCHES
INCHHEIGHT OF ROLL CENTER
MAXIMUM PANTOGRAPH LOCKDOWN HEIGHT
EMBEDDED OR
8.14 FEET
66 FEET
3 INCHES
2 INCHES
30.7 INCHES
OFFSET FROM TRUCK CENTER PIN
CARBON WIDTH
0 INCHES
EXCEED 1" IN EITHER DIRECTION LATERALLY.
DEFLECTION DUE TO LIVE LOADS SHALL NOT
4. NORMAL OPERATING ACROSS TRACK POLE
3. CONTACT WIRE HAS NO DESIGNED PRESAG.
2. FOR PANTOGRAPH CLEARANCE ENVELOPE
CLEARANCES.
ACCEPTABLE CONDUCTOR GRADIENT AND
FOR THE CONDUCTOR HEIGHTS ARE TO BE
1. THE TOLERANCES GIVEN AT THE SUPPORTS
MAXIMUM OPERATING CONDITION IS
EITHER: 1. THE PRESENCE OF A 55 MPH
WIND AND NO ICE COVERING, OR 2. THE
RADIAL ICE COVER ON THE CONTACT WIRE
APPLIED IN CALCULATIONS AND DIMENSIONS
RELATING TO NORMAL TRAIN OPERATIONS.
MAXIMUM NON-OPERATING CONDITION IS
EITHER: 1. THE PRESENCE OF A 90 MPH
WIND AND NO ICE COVER, OR 2. THE
RADIAL ICE COVER ON THE CONTACT WIRE.
5.
6.
REDUCED WHERE APPLICABLE TO PROVIDE
PRESENCE OF A 40 MPH WIND AND 1/4"
OPERATING CONDITION IS TO BE
VEHICLE VERTICAL BOUNCE
TRACK VERTICAL TOLERANCE
MAXIMUM VEHICLE PANTOGRAPH LOCKDOWN HEIGHT
MINIMUM PASSING CLEARANCE
UNDER ANY OPERATING CONDITION
REQUIRED MINIMUM ASBUILT CONTACT WIRE HEIGHT
FT. IN.
0.5
0
3
10
0
13
0
13 4.5
WIRE TENSION
- OPEN ROUTE
(SEE NOTE 1)
CONDUCTOR HEIGHT AT SUPPORTS
STAGGER AT SUPPORTS
MINIMUM PANTOGRAPH SECURITY
MAXIMUM CONTACT WIRE GRADIENT
RELATIVE TO TRACK
- BRIDGES OVER RAIL
WITHIN 100 FEET OF A BRIDGE
- FULL SPANS
- TRANSITION SPANS
- BRIDGES & TUNNELS
1:5 x MAX TRACK SPEED IN M.P.H.
1:10 x MAX TRACK SPEED IN M.P.H.
WIRE SIZE:
CONTACT
CONTACT WIRE
NORMAL CONTACT WIRE HEIGHT - NON EXCLUSIVE ROW
- EXCLUSIVE ROW
MAXIMUM INSTALLED WIRE HEIGHT
NORMAL SYSTEM HEIGHT
MAXIMUM DESIGNED SPAN - EMBEDDED TRACK, A/T
- BALLASTED TRACK, A/T
MAXIMUM STAGGER
MAXIMUM HALF TENSION LENGTH
CONTACT WIRE MAXIMUM WEAR-MAXIMUM
FEET
350KCMIL
3000
19.5
120
9
2640
30
FEET
LB
FEET
FEET
INCHES
FEET
FEET
FEET ---
120
19.0
20.0
% OF ORIGINAL AREA
STATIC
PASSING 3 INCHES
4 INCHES
NONE
1/2" RADIAL
NONE
1/4" RADIAL40 MPH
55 MPH
40 MPH
90 MPHNON-OPERATING
NON-OPERATING
OPERATING
OPERATING
MAXIMUM
MINIMUM
NORMAL
7. MINIMUM ASBUILT CONTACT WIRE HEIGHT
+/-1.00
+/-0.50
+/-1.00
+/-50
+/-5.0
+/-2.0
+/-2.0
+/-5.0
+/-2.0
+/-1.0
+/-0.25
+/-1.00
+/-1.0
SECTION
350
2000
19.5
120
9
2640
30
---
120
19.0
20.0
1 INCH
38.7 FEET
74 INCHES
YARD
DESIGN
NORMAL
NOTES:
TENSION AT DESIGN TEMP (60%%d F)
60 DEGREES F
-5 DEGREES F
125 DEGREES F
SEE DESIGN CRITERIA AND DWGS OCT-08
TO OCT-11.
NON-OPERATING CONDITION IS TO BE APPLIED
IN CALCULATIONS RELATING TO STRENGTH OF
OCS AND SUPPORTING EQUIPMENT.
PRESENCE OF A 40 MPH WIND AND 1/2"
XX
OVERHEAD CONTACT SYSTEMTECHNICAL SHEET
SUMMARY OF DESIGN CRITERIA, TOLERANCESAND WIRE HEIGHT
OCT-5
D.C.
STATEREGTOTAL
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NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
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OVERHEAD CATENARY STRUCTURES
SHEET
SHEET OF
YS
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OCT-1
GENERAL NOTES FOR OCS DRAWINGS
1.
2.
DIMENSIONS SHOWN ARE AS FOLLOWS:
LH
LC
THIS DRAWING IS A RECORD OF PANTOGRAPH COLLECTOR HEAD
DIMENSIONS THAT HAVE BEEN CONSIDERED IN SETTING PRINCIPAL
OCS DIMENSIONS IN THESE STANDARD DRAWINGS AND THE VEHICLE
DYNAMIC ENVELOPE.
LENGTH OF CARBON COLLECTORS
COLLECTOR LENGTH OVER HORNS
OVERALL HEIGHT TO BOTTOM OF HORNHH
LEKOV COLLECTOR HEAD
6.0"
7.0"
7.9"
7.9
"
4.3"
R
R
LC
LC
COLLECTOR STRIP
COLLECTOR STRIP
2.9"
2.8"
66.1"
12.8"
HH
=10.6
"
RC=32.9’
MAX RADIUS
WC WIDTH OF COLLECTOR STRIP
RC RADIUS OF CONTACT STRIP
WC
= 1
1.9
"
WC=13.4"
12.8"
LH=66.1"
NOTES:
LC = 41.3"
2
40
1,5
(43 )
(5,4
)
XX
OVERHEAD CONTACT SYSTEMTECHNICAL SHEET
PANTOGRAPH COLLECTOR OUTLINE
OCT-6
D.C.
STATEREGTOTAL
SHEETS
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NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
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SHEET OF
TOP OF RAIL
TABLE 1: DIMENSIONS TABLE
1.
FOR VALUES OF CONTACT WIRE HEIGHT BETWEEN THOSE LISTED IN TABLE 1,
USE LINEAR INTERPOLATION TO DETERMINE A VALUE FOR DIMENSION A.
3.
TRACK
SUPER ELEVATED
MINIMUM CLEARANCES FOR USE PRIOR TO CONSTRUCTION ARE TO BE4.
-
2-
2
MINIMUM CLEARANCES BETWEEN LIVE WIRES OR FITTINGS AND OTHER FIXED
INFRASTRUCTURE SHALL BE DETERMINED FROM NATIONAL ELECTRIC SAFETY CODE
5.
CONTACT
WIRE HEIGHT
EMBEDDED TRACK
INSIDE CURVE TANGENT OR
OUTSIDE CURVE
DIMENSION A [INCHES]
20’-0"
19’-0"
REFER TO DESIGN
CRITERIA FOR
COMPLETE CLEARANCE
ENVELOPE
CLEARANCE ENVELOPE
FOR PANTOGRAPHS
ENVELOPE FOR AS-BUILT CONDITIONS 1-
SIMPLIFIED PANTOGRAPH CLEARANCE
SEE NOTE 1
LIVE WIRING ON
ADJACENT TRACKS
POLES, SUPPORTS
& GROUNDED
FITTINGS SEE DWG
IN-RUNNING STEADY ARM
RELATED MINIMUM CLEARANCE DETAILS 3-
SUPERELEVATED
TRACK
CLEARANCE
ENVELOPE
AS BUILT
CONTACT WIRE HEIGHT
DETAIL 2-SCALE: NTS
THIS DRAWING PROVIDES A SIMPLIFIED PANTOGRAPH CLEARANCE ENVELOPE
FOR USE WITH AS BUILT OCS EQUIPMENT. TRACK AND POLES, MASONRY WALLS
AND STRUCTURES. THE DIMENSIONS ARE TO BE MEASURED RELATIVE TO THE
SUPERELEVATED TRACK.
2. OBSTRUCTIONS NOT CLEARING THIS OUTLINE MAY BE FURTHER EXAMINED
MIN
IMU
M C
ON
TA
CT
WIR
E H
EIG
HT
1
3’-
0"
A
SEE TABLE 1
BB
CL
CL
MA
XIM
UM
CO
NT
AC
T W
IRE
HE
IGH
T
20
’-0
"
13’-0"
60.2"
59.2"
54.0"
60.2"
59.2"
54.0"
8.375"
12"
12"
NOTES:
SCALE: NTS
AGAINST THE CONDITIONS AND MINIMUM CLEARANCES OF DWGS OCT-09, OCT-10,
AND OCT-11. SEE DETAIL 3.
CALCULATED USING ALLOWANCES SHOWN ON DRAWINGS OCT-09, OCT-10 AND OCT-11.
(N.E.S.C) AND DRAWINGS OCT-03 AND OCT-04.
SEE DWG OCT-09
LIVE OCS FITTING, SAME CIRCUIT
SEE DWG OCT-10
SEE DWG OCT-11
OCT-09
H / BENNING
3-
3-
XX
OVERHEAD CONTACT SYSTEMTECHNICAL SHEET
SIMPLIFIED PANTOGRAPH CLEARANCE
OCT-7
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
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NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
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TABLE 2: VEHICLE DIMENSIONS
SUPERELEVATION (INCHES)
TABLE 1: HORIZONTAL OFFSET DUE TO TRACK SUPERELEVATION (OS)
19’-0"
20’-0"
2.8
4.1
4.3
1
5.6
8.2
8.6
2
8.4
12.3
13.0
3
11.2
16.4
17.3
4
14.1
20.5
21.6
5
16.9
24.6
25.9
6
20’-0"
19’-0"
13’-0"
MINIMUM CLEARANCES BETWEEN LIVE WIRES OR FITTINGS AND OTHER FIXED
INFRASTRUCTURE SHALL BE DETERMINED FROM NATIONAL ELECTRIC SAFETY
CLEARANCES DETERMINED FROM THIS DRAWING
- ALL OTHER STRUCTURES, POLES OR EQUIPMENT REQUIRE PANTOGRAPH
TRACKS, BY AT LEAST ONE LEVEL OF SYSTEM RATED INSULATION.
IS SEPARATED FROM GROUNDED POLES OR LIVE WIRING OF ADJACENT
PANTOGRAPH, AN OCS FITTING SHALL BE CONSIDERED LIVE WHERE IT
FOR THE PURPOSE OF DETERMINATION OF CLEARANCES TO A
REDUCED ONLY FOR THOSE CASES LISTED IN NOTE 2.
ADJACENT FIXED INFRASTRUCTURE. THESE CLEARANCES MAY BE FURTHER
DETERMINATION OF MINIMUM CLEARANCES BETWEEN A PANTOGRAPH AND
THIS DRAWING PROVIDES DETAILED RELATIONSHIPS AND DIMENSIONS FOR
CLEARANCES ARE TO BE APPLIED. RUNNING CLEARANCES COMPONENTS MAY
FOR OBJECTS DIAGONALLY SEPARATED, BOTH HORIZONTAL AND VERTICAL
4.
BE MEASURE RADIALLY.
3.
2.
1.
5. VEHICLE DYNAMIC ENVELOPE DETERMINED FOR SUPERELEVATION = 0"
MINIMUM VERTICAL CLEARANCE TO OBJECTS
ABOVE THE TRACK FROM A PANTOGRAPH
MINIMUM HORIZONTAL CLEARANCE TO OBJECTS
ON THE OUTSIDE OF CURVE FROM A PANTOGRAPH
EXTRACT FROM VEHICLE DYNAMIC ENVELOPE
STATIC
CENTERLINE
VEHICLE DYNAMIC
ENVELOPE - FROM
MINIMUM HORIZONTAL CLEARANCE TO OBJECTS
ON THE INSIDE OF CURVE FROM A PANTOGRAPH
STATIC PANTOGRAPH
HEIGHT = AS BUILT
(UNDER BRIDGE
OR IN TUNNEL)
RUNNING CLEARANCE
TO STRUCTURAL MEMBERS
STATIC VEHICLE
SUPERELEVATED
CL
EA
RA
NC
E E
NV
EL
OP
E
FO
R D
ES
IGN
OF
PO
LE
,
ST
RU
CT
UR
E O
R E
QU
IPM
EN
T
AS BUILT CONTACT
WIRE HEIGHT
6. SUPERELEVATION OFFSET (OS) IS TO BE CONSIDERED WHEN
MEASUREMENTS ARE TAKEN FROM VERTICAL TRACK CENTERLINE.
SUPERELEVATED
DESIGN CRITERIA
CONTACT WIRE HEIGHT
COLLECTOR HEAD TILT TO BE CONSIDERED ONLY WHERE ALL IN-RUNNING
CONTACT WIRES ARE STAGGERED TO THE FAR SIDE OF THE SUPERELEVATED
VEHICLE CENTERLINE.
7.
DESIGNED CONTACT
WIRE HEIGHT
SEE NOTE 5
- FOR IN-RUNNING LIVE STEADY ARMS, SEE DRAWING pTD-0051
- FOR OTHER LIVE OCS EQUIPMENT, SEE DRAWING pTD-0050
FROM CLEARANCE REQUIREMENTS OF THE DISTRICT DESIGN CRITERIA.
EL
EC
TR
ICA
L
PA
SS
ING
CL
EA
RA
NC
E
-(R
UN
NIN
G C
LE
AR
AN
CE
)
CO
NS
TR
UC
TIO
N
TO
LE
RA
NC
E
-PO
LE
1"
EMBEDDED, DIRECT
FIXATION=0.5" 3"
1"
AS
BU
ILT
FA
CE
OF
PO
LE
,
ST
RU
CT
UR
E O
R E
QU
IPM
EN
T
AS-BUILT
C/W HEIGHT
ABOVE RAIL
CO
NS
TR
UC
TIO
N
TO
LE
RA
NC
E
-PO
LE
AS-BUILT
C/W HT
CARBON COLLECTOR WEAR
DESIGNED CONTACT
WIRE HEIGHT OPEN
ROUTE
DYNAMIC PANTOGRAPH UPLIFT
RE
DU
CT
ION
DU
E T
O
SU
PE
RE
LE
VA
TIO
N =
OS
(SE
E T
AB
LE
1)
3"
CONTACT WIRE WEAR
MAX PANTOGRAPH
OPERATING HEIGHT
3"
1"
0.25"
0.5"
CONSTRUCTION
TOLERANCE
OCS OR
STRUCTURE
SU
PE
R E
LE
VA
TE
D
VE
HIC
LE
DY
NA
MIC
EN
VE
LO
PE
EMBEDDED, DIRECT
FIXATION=0.5"
AS BUILT STRUCTURE OR
EQUIPMENT HEIGHT
3"
0.5"
6"
3"
PA
NT
OG
RA
PH
CL
EA
RA
NC
E F
OR
DE
SIG
N
PANTOGRAPH CLEARANCE FOR
DESIGN-OUTSIDE OF CURVE
VE
HIC
LE
DY
NA
MIC
EN
VE
LO
PE
-IN
SID
E
OF
CU
RV
E
PANTOGRAPH CLEARANCE FOR
DESIGN - INSIDE OF CURVE
CLEARANCE ENVELOPE FOR DESIGN OF
STRUCTURE OR GROUNDED EQUIPMENT
13’-0"
VE
HIC
LE
DY
NA
MIC
EN
VE
LO
PE
- N
O S
UP
ER
EL
EV
AT
ION
(T
AB
LE
2)
VE
HIC
LE
DY
NA
MIC
EN
VE
LO
PE
-NO
SU
PE
RE
LE
VA
TIO
N
(TA
BL
E2)
DIMENSION A INCHES
EMBEDDED TRACK (SEE NOTE 5)
INSIDE CURVE OUTSIDE CURVE
12"
0.625"CONTRUCTION TOLERANCE
55.7
54.7
49.5
55.7
54.7
49.5
12"
NOTES:
ELECTRICAL PASSING
CLEARANCE
-(RUNNING CLEARANCE)
CL
EA
RA
NC
E E
NV
EL
OP
E F
OR
DE
SIG
N O
F P
OL
E,
ST
RU
CT
UR
E
OR
EQ
UIP
ME
NT
OFFSET DUE TO
SUPER ELEVATION =
OS
(SEE TABLE 1)
TRACK CONSTRUCTION
AND MAINTENANCE
TOLERANCE
AS
BU
ILT
FA
CE
OF
PO
LE
, S
TR
UC
TU
RE
, O
R
EQ
UIP
ME
NT
NORMAL ELECTRICAL PASSING
CLEARANCE (RUNNING
CLEARANCE)
TRACK CONSTRUCTION
AND MAINTENANCE
TOLERANCE
"A"
SEE TABLE 2
CODE (N.E.S.C.) AND DRAWINGS OCT-03 AND OCT-04.
OVERHEAD CONTACT SYSTEM PLAN
XX
TECHNICAL SHEET
PANTOGRAPH CLEARANCE TO GROUNDED ITEMS
AND DIFFERENT ELECTRICAL CIRCUITS
OCT-8
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
Tu
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:37
PM
NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
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raw
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90% SUBMITTAL 11-21-201209-04-2012
SUPERELEVATION (INCHES)
TABLE 1: HORIZONTAL OFFSET DUE TO TRACK SUPERELEVATION (OS)
19’-0"
20’-0" 4.3
4.1
1
8.6
8.2
2
13.0
12.3
3
16.4
17.3
4
20.5
21.6
5
24.6
25.9
6
- ALL OTHER STRUCTURES, POLES OR EQUIPMENT REQUIRE CLEARANCES
- CLEARANCES FOR OTHER LIVE OCS FITTINGS TO BE DETERMINED FROM THIS DRAWING
LEVEL OF SYSTEM RATED INSULATION.
GROUNDED POLES OR LIVE WIRING OF ADJACENT TRACKS, BY AT LEAST ONE
OCS FITTING SHALL BE CONSIDERED LIVE ONLY WHERE IT IS SEPARATED FROM
FOR THE PURPOSE OF DETERMINATION OF CLEARANCES TO A PANTOGRAPH, AN
FITTINGS, EXCEPTING FOR IN-RUNNING STEADY ARMS.
OF MINIMUM CLEARANCES BETWEEN A PANTOGRAPH AND ADJACENT LIVE OCS,
THE DRAWING PROVIDES RELATIONSHIPS AND DIMENSIONS FOR DETERMINATION
INFRASTRUCTURE SHALL BE DETERMINED FROM NATIONAL ELECTRIC SAFETY
MINIMUM CLEARANCES BETWEEN LIVE WIRES OR FITTINGS AND OTHER FIXED
CLEARANCES ARE TO BE APPLIED. RUNNING CLEARANCE COMPONENTS MAY
FOR OBJECTS DIAGONALLY SEPARATED, BOTH HORIZONTAL AND VERTICAL
4.
BE MEASURE RADIALLY.
3.
2.
1.
5. VEHICLE DYNAMIC ENVELOPE DETERMINED FROM CLEARANCE REQUIREMENTS OF
MINIMUM VERTICAL CLEARANCE FROM A PANTOGRAPH TO LIVE FITTINGS
13’-0"
19’-0"
20’-0"
TABLE 2: VEHICLE DIMENSIONS
MINIMUM HORIZONTAL CLEARANCE TO LIVE FITTINGS
ON THE OUTSIDE OF CURVE FROM A PANTOGRAPH
ON THE OUTSIDE OF CURVE FROM A PANTOGRAPH
MINIMUM HORIZONTAL CLEARANCE TO LIVE FITTINGS
CONTACT WIRE HEIGHT
DESIGN CRITERIA
SUPERELEVATED
SUPERELEVATED
STATIC VEHICLE
HEIGHT = AS BUILT
STATIC PANTOGRAPH
ENVELOPE - FROM
VEHICLE DYNAMIC
CENTERLINE
THE DISTRICT DESIGN CRITERIA.
RU
NN
ING
CL
EA
RA
NC
E
BALLASTED TRACK=2"
EMBEDDED, DIRECT
FIXATION=0.5" 2"
OC
S C
ON
ST
RU
CT
ION
TO
LE
RA
NC
E
PA
NT
OG
RA
PH
CL
EA
RA
NC
E
EN
VE
LO
PE
FO
R D
ES
IGN
OF
LIV
E F
ITT
ING
S
1"
OC
S C
ON
ST
RU
CT
ION
TO
LE
RA
NC
E
RU
NN
ING
CL
EA
RA
NC
E
PA
NT
OG
RA
PH
CL
EA
RA
NC
E
EN
VE
LO
PE
FO
R D
ES
IGN
OR
OC
S L
IVE
FIT
TIN
GS
1" 2"
C/W HEIGHT
ABOVE RAIL
AS
BU
ILT
LIV
E
OC
S F
ITT
ING
CARBON COLLECTOR WEAR
CONSTRUCTION TOLERANCE
DYNAMIC PANTOGRAPH UPLIFT
LIVE FITTING CLEARANCE
(RUNNING CLEARANCE)
CONTACT WIRE WEAR
1"
MAX CONTACT WIRE
HEIGHT
AS BUILT CONTACT
WIRE HEIGHT
MAX PANTOGRAPH
OPERATING HEIGHT
0.25"
0.5"
0.5"
SU
PE
R E
LE
VA
TE
D
VE
HIC
LE
DY
NA
MIC
EN
VE
LO
PE
BALLASTED TRACK=2"
EMBEDDED, DIRECT
FIXATION=0.5"
AS-BUILT
C/W HT
DIMENSION A INCHES
1"
VE
HIC
LE
DY
NA
MIC
EN
VE
LO
PE
-
INS
IDE
OF
CU
RV
E
3"
DEISGNED CONTACT WIRE
HEIGHT UNDER BRIDGE OR
TUNNEL
EXTRACT FROM VEHICLE DYNAMIC ENVELOPESEE NOTE 5
7.
VEHICLE CENTERLINE.
CONTACT WIRES ARE STAGGERED TO THE FAR SIDE OF THE SUPERELEVATED
COLLECTOR HEAD TILT TO BE CONSIDERED ONLY WHERE ALL IN-RUNNING
MEASUREMENTS ARE TAKEN FROM VERTICAL TRACK CENTERLINE.
SUPERELEVATION OFFSET (OS) IS TO BE CONSIDERED WHEN 6.
13’-0" 2.8 5.6 8.4 11.2 14.1 16.9
EMBEDDED TRACK (SEE NOTE 5)
INSIDE CURVE OUTSIDE CURVE
55.7"
54.7"
49.5"
55.7"
54.7"
49.5"
12"
NOTES:
AS
BU
ILT
LIV
E O
CS
FIT
TIN
G
TRACK CONSTRUCTION
AND MAINTENANCE
TOLERANCE
PANTOGRAPH CLEARANCE
ENVELOPE FOR DESIGN OF
OCS LIVE FITTINGS
DESIGNED CONTACT WIRE HEIGHT
- OPEN ROUTE
OF
FS
ET
RE
DU
CT
ION
DU
E
TO
SU
PE
RE
LE
VA
TIO
N =
OS
(SE
E T
AB
LE
1)
TRACK CONSTRUCTION
AND MAINTENANCE
TOLERANCE
"A"
SEE TABLE 2
VE
HIC
LE
DY
NA
MIC
EN
VE
LO
PE
- N
O S
UP
ER
EL
EV
AT
ION
(T
AB
LE
2)
VE
HIC
LE
DY
NA
MIC
EN
VE
LO
PE
-NO
SU
PE
RE
LE
VA
TIO
N
(TA
BL
E 2
)
12"
- FOR IN-RUNNING STEADY ARM, SEE DRAWING OCT-11
DETERMINED FROM DRAWING OCT-09
CODE (N.E.S.C.) AND DRAWINGS OCT-03 AND OCT-04.
OFFSET DUE TO
SUPER ELEVATION=
OS
(SEE TABLE 1)
XX
OVERHEAD CONTACT SYSTEM TECHNICAL SHEET
PANTOGRAPH CLEARANCE TO
LIVE OCS FITTINGS
OCT-9
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
Tu
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, N
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em
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0,
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12
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NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
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hlfile2
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90% SUBMITTAL 11-21-201209-04-2012
STAGGERAREA "M" SEE NOTE 5
LINE OF MAXIMUM LOAD - MEDIUM /
LINE OF MINIMUM LOAD - LIGHT STEADY ARM
C/W LEVEL - STATIC CONDITIONS
HEAVY STEADY ARM
LIGHT STEADY ARM
LINE OF MAXIMUM LOAD
AREA "L" SEE NOTE 4
RADIAL PULL
DIRECTION OF
STATIC CONDITIONS
AREA "M" SEE NOTE 5
MEDIUM/HEAVY STEADY ARM
LINE OF MAXIMUM LOAD-
LINE OF MAXIMUM LOAD - LIGHT STEADY ARM
C/W HEIGHT -
LIGHT STEADY ARM
LINE OF MINIMUM LOAD
AREA "L" SEE NOTE 4
RADIAL PULL
DIRECTION OF
3" UPLIFTED CONTACT HEIGHT
C/W HEIGHT
STEADY ARM
CLEARANCE OUTLINE
TYPICAL UPLIFTED STEADY ARM
FOR AUTO-TENSIONED CONTACT WIRE THE MINIMUM DISTANCE FROM CONTACT WIRE
LOAD STEADY ARMS ARRANGED TO SHARE LOAD EQUALLY.
HEAVY RADIAL LOADS OF UP TO 1000 POUNDS SHALL BE SERVICED BY USING TWO MEDIUM
500 POUNDS. THE STEADY ARM HEEL PIVOT POINT IS TO FALL WITHIN AREA "M" SHOWN.
MEDIUM LOAD STEADY ARMS ARE TO BE SUITABLE FOR RADIAL LOADS UP TO
POUNDS. THE STEADY ARM HEEL PIVOT POINT IS TO FALL WITHIN AREA "L" SHOWN.
LIGHT LOAD STEADY ARMS ARE TO BE SUITABLE FOR RADIAL LOADS UP TO 200
HEIGHT, WITH THE ANGLE RELATIVE TO LEVEL.
THE DIRECTION OF LOAD PULL IS TO BE MEASURED FROM THE STATIC CONTACT WIRE
ENVELOPE EXCEPTING FOR CONTACT WIRE CLAMP COMPONENTS.
CLEARANCE OUTLINE OR WITHIN 1" RUNNING CLEARANCE OF THE PANTOGRAPH DYNAMIC
ALL STEADY ARMS SHALL BE SHAPED SO AS NOT TO ENCROACH INSIDE THE STEADY ARM
RESTRICTING STEADY ARMS SPECIFIED FOR USE IN TUNNELS.
REGISTERING IN-RUNNING CONTACT WIRES. IT DOES NOT APPLY TO UPLIFT
THIS DRAWING IS TO BE USED FOR THE DESIGN AND APPLICATION OF STEADY ARMS
7.
6.
5.
TRACK
1.
4.
3.
2.
STEADY ARM CLEARANCE FROM UPLIFTED PANTOGRAPH 3-NTS
-
3 STEADY ARMCLEARANCE OUTLINE
3" UPLIFTED
CONTACT HEIGHT
PANTOGRAPH DYNAMIC ENVELOPE
STEADY ARM HEEL PIVOT
STEADY ARM HEEL PIVOT
SUPERELEVATION = 0 1-NTS
TRACK WITH UP TO 6" SUPERELEVATION 2-NTS
SUPERELEVATED
C/W HEIGHT
TO HEEL PIVOT SHALL BE 36".
STATIC
DYNAMIC
PANTOGRAPH
ENVELOPE
STEADY ARM
CLEARANCE OUTLINE
PANTOGRAPH DYNAMIC ENVELOPE
STAGGER
72"
CL
CL
TRACK CL
NOTES:
3.0"
8.0"
56.7"
1.0"
3.0"
72"
22
5.7
1.7
22
5.7
1.7
3
-
XX
OVERHEAD CONTACT SYSTEM TECHNICAL SHEETS
STEADY ARM CLEARANCES AND DIMENSIONS
OCT-10
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
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PM
NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
SHEET OF XXX\\p
hlfile2
\sh
ared
\5
91
6 W
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in
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\9
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raw
in
gs\S
YS
TR
A\W
ork
in
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raw
in
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000 ’
/ I
N.
90% SUBMITTAL 11-21-201209-04-2012
SINGLE WIRE AUTO-TENSIONED (SWAT)
SINGLE WIRE AUTO-TENSIONED (SWAT)
SINGLE WIRE FIXED-TENSIONED (SWFT)
SINGLE WIRE FIXED-TENSIONED (SWFT)
NOTES:
350 KCMIL SOLID GROOVED
HARD DRAWN COPPER CONTACT
WIRE
PERMISSIBLE WEAR 30% OF
THE ORIGINAL CROSS
SECTIONAL AREA
COEFFICIENT OF THERMAL EXPANSION
MINIMUM FACTOR OF SAFETY
WEIGHT OF SYSTEM WITH ICE (O)
RADIAL THICKNESS OF ICE (NO)
WEIGHT OF ICE (NO)
MODULUS OF ELASTICITY PSI
FT
16x10
19.0 (NORMAL)
FT
FT
FT
LB
LB
MAXIMUM SPAN
WEIGHT OF SYSTEM WITH ICE (NO)
CONDUCTOR BREAKING LOAD
CONDUCTOR TENSIONS AT:
CROSS SECTIONAL AREA
WEIGHT OF CONDUCTOR
WEIGHT OF SYSTEM
RADIAL THICKNESS OF ICE (O)
WEIGHT OF ICE (O)
LB
LB
FT
LB
LB/FT
LB/FT
3000
120
11810
0.696
1.759
LB/FT
IN.
LB/FT
LB/FT
IN.
Sq. In.
LB/FT
1.333
0.50
0.270
1.063
0.25
0.2758
1.063
350 KCMIL SOLID GROOVED
CONDUCTORCONDUCTOR PARTICULARS
(UNWORN CONDITION)
CONDUCTOR TYPE
DIAMETER
MATERIAL -
IN.
-
UNITS
HARD DRAWN COPPER
0.620
CONTACT
CONDUCTOR SAG ON MAXIMUM SPAN AT:
WEIGHT OF CONTACT WIRE
WEIGHT OF CONTACT WIRE WITH ICE (O)
PERMISSIBLE WEAR
(WORN CONDITION)
CONDUCTOR PARTICULARS
MINIMUM SAFETY FACTOR
CONDUCTOR BREAKING LOAD
CONDUCTOR TENSION AT:
WEIGHT OF CONTACT WIRE WITH ICE (NO)
UNITS
% OF AREA
LB/FT
LB/FT
-
LB/FT
LB
LB
-
CONTACT
0.977
0.7441
-
1.366
8267
30.00
CONDUCTOR
6
-69.4x10
- 2.93
1. ICE (O) OPERATING CONDITION IS
WITH 1/4" RADIAL ICE ON THE
CONTACT WIRE.
2. ICE (NO) NON OPERATING CONDITION
IS WITH 1/2" RADIAL ICE ON THE
CONTACT WIRE.
3. SYSTEM WEIGHTS SHOWN ARE FOR DESIGN
PURPOSES AND CONSIST OF CONDUCTOR
WEIGHTS PER FOOT, WHICH WERE TAKEN
FROM MANUFACTURERS INFORMATION TABLES,
FT
LOWER LIMIT OF AUTO TENSIONING
125UPPER LIMIT OF AUTO TENSIONING
0.4
23
"0
.19
7"
3000
4028
3985
3919
2.05
.638
.638
.596
.513
20
0^F WIND & ICE (NO)
COEFFICIENT OF THERMAL EXPANSION
MINIMUM FACTOR OF SAFETY
WEIGHT OF SYSTEM WITH ICE (O)
RADIAL THICKNESS OF ICE (NO)
WEIGHT OF ICE (NO)
MODULUS OF ELASTICITY PSI
FT
16x10
19.0 (NORMAL)
FT
FT
FT
LB
LB
MAXIMUM SPAN
WEIGHT OF SYSTEM WITH ICE (NO)
CONDUCTOR BREAKING LOAD
CONDUCTOR TENSIONS AT:
CROSS SECTIONAL AREA
WEIGHT OF CONDUCTOR
WEIGHT OF SYSTEM
RADIAL THICKNESS OF ICE (O)
WEIGHT OF ICE (O)
LB
LB
FT
LB
LB/FT
LB/FT
11810
0.696
1.759
LB/FT
IN.
LB/FT
LB/FT
IN.
Sq. In.
LB/FT
1.333
0.50
0.270
1.063
0.25
0.2758
1.063
350 KCMIL SOLID GROOVED
CONDUCTORCONDUCTOR PARTICULARS
(UNWORN CONDITION)
CONDUCTOR TYPE
DIAMETER
MATERIAL -
IN.
-
UNITS
HARD DRAWN COPPER
0.620
CONTACT
CONDUCTOR SAG ON MAXIMUM SPAN AT:
WEIGHT OF CONTACT WIRE
WEIGHT OF CONTACT WIRE WITH ICE (O)
PERMISSIBLE WEAR
(WORN CONDITION)
CONDUCTOR PARTICULARS
MINIMUM SAFETY FACTOR
CONDUCTOR BREAKING LOAD
CONDUCTOR TENSION AT:
WEIGHT OF CONTACT WIRE WITH ICE (NO)
UNITS
% OF AREA
LB/FT
LB/FT
-
LB/FT
LB
LB
-
CONTACT
0.977
0.7441
-
1.366
8267
30.00
CONDUCTOR
6
-69.4x10
-
FT
0^F WIND & ICE (NO)
100
2000
844
4477
4440
.664
1.575
.372
.320
2.64
4452
1.80
60 DEG F NO WIND
125 DEG F NO WIND
-5 DEG F WIND & ICE (O)
-5 DEG F W/ 55 MPH WIND (NO)
60 DEG F NO WIND
125 DEG F NO WIND
-5 DEG F 40 MPH WIND ICE (O)
-5 DEG F 55 MPH WIND
CONDUCTOR HEIGHT AT 60 DEG F
DEG F
DEG F
- / DEG F
60 DEG F NO WIND
125 DEG F NO WIND
-5 DEG F WIND & ICE (O)
-5 DEG F W/ 55 MPH WIND (NO)
60 DEG F NO WIND
125 DEG F NO WIND
-5 DEG F 40 MPH WIND ICE (O)
-5 DEG F 55 MPH WIND
CONDUCTOR HEIGHT AT 60 DEG F
- / DEG F
XX
OVERHEAD CONTACT SYSTEM TECHNICAL SHEET
CONDUCTOR PARTICULARS
OCT-11
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
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NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
SHEET OF XXX\\p
hlf
ile2
\sh
ared
\59
16
Wash
ing
ton
DC
Str
eetc
ar\0
9.0
Deli
verab
les D
EL
\9.2
Draw
ing
s\S
YS
TR
A\W
ork
ing
Draw
ing
s\O
CS
\OC
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1.d
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l1.0
000 ’
/ I
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90% SUBMITTAL 11-21-201209-04-2012
NOTES:
RADIUS OF CURVATURE (FEET)
SP
AN
LE
NG
TH
(F
EE
T)
STRUCTURE SPACING SWAT
STRUCTURE SPACING SWFT
1.
2.
3.
4.
THE CONDITIONS FOR THE STRUCTURE SPACING
THE SPANS SHOWN ARE THE ABSOLUTE MAXIMUM
FOR THE RESPECTIVE CURVES. FOR DESIGN
CONSIDERATIONS THE MAXIMUM SPAN IS REDUCED
BY 5 FEET TO CATER FOR SITE ADJUSTMENTS IF
OBSTRUCTIONS ARE ENCOUNTERED, DURING
CONSTRUCTION.
WHOLLY OVER CONSTANT RADIUS TRACK CURVE,
ARE TO BE DETERMINED FROM THE GRAPHS AND
STILL AIR CONDITIONS MEASURED AT MIDSPAN.
110
105
100
115
120
30
35
40
45
50
55
60
65
70
75
80
85
90
95
STATIC
OFFSET
(INCHES)
STATIC
OFFSET
(FEET)
BLOW-OFF
(FEET)
MINIMUM
RADIUS
(FEET)
10.42 0.015 63.1
10.35 0.020 86.1
10.27 0.027 112.8
10.19 0.034 143.4
10.09 0.042 177.8
0.050 216.2
0.060 258.7
0.070 305.5
0.082 356.6
0.094 412.3
0.107 472.6
0.120 537.9
0.135 608.4
0.150 684.2
0.167 765.6
8.39 0.184 853.0
8.17 0.202 946.7
7.95 0.220 1047.0
7.71 0.240 1154.4
2000.01000.00.0
0
50
100
.868
.862
.856
.849
.841
.832
.823
.812
.801
.789
.776
.762
.748
.732
.716
.699
.681
.662
.643
9.99
9.87
9.75
9.61
9.47
9.31
9.15
8.97
8.79
8.59
SPAN
LENGTH
(FEET)
MAXIMUM STRUCTURE SPACINGS FOR SPANS
RELATED NOTES. FOR ALL OTHER HORIZONTAL
ALIGNMNET COMBINATIONS, SPACING MUST
SATISFY MAXIMUM STATIC MIDSPAN OFFSET
CRITERIA APPLIED TO STAGGERED CONTACT WIRE.
THE MAXIMUM STATIC MIDSPAN OFFSET IS THE
VALUE THE CONTACT WIRE CAN BE FROM THE
CENTER LINE OF A STATIC PANTOGRAPH UNDER
5. WHERE AS-BUILT STATIC MIDSPAN OFFSET EXCEEDS
THE MAXIMUM VALUE LISTED IN THE TABLE,
FURTHER CONSTRUCTION MAY ONLY CONTINUE
AFTER SITE SPECIFC APPROVAL BY THE DISTRICT.
6. INSTALLED CONTACT WIRE SPANS MAY BE ACCEPTED
WITH 1 INCH OF ADDITIONAL MIDSPAN OFFSET
CONSTRUCTION TOLERANCE ABOVE THE MAXIMUM
VALUES LISTED.
7.
8.
MAXIMUM CONTACT WIRE STAGGER = 9"
100
30
35
40
45
50
55
60
65
70
75
80
85
90
95
STATIC
OFFSET
(INCHES)
STATIC
OFFSET
(FEET)
BLOW-OFF
(FEET)
MINIMUM
RADIUS
(FEET)
0.023 69.9
0.031 95.6
0.040 125.6
0.051 160.0
0.063 199.0
0.076 242.9
0.090 291.7
0.106 345.9
0.123 405.6
0.141 471.3
0.160 543.3
0.181 622.0
0.203 708.0
0.226 801.8
0.250 904.1
.693
.685
.676
.665
.653
.640
.626
.610
.593
.575
.556
.535
.513
.490
.466
7.68
7.51
7.32
7.12
6.90
6.67
6.42
6.16
5.88
5.59
SPAN
LENGTH
(FEET)
8.32
8.22
8.11
7.98
7.84
FOR GENERAL NOTES, SEE DWG OCT-01.
CHART & THE TABLES ARE 60 DEGREES F WITH
A WIND SPEED OF 40 MPH.
SWAT
SWFT
XX
OVERHEAD CONTACT SYSTEMTECHNICAL SHEET
AUTO & FIXED-TENSIONED SINGLE CONTACT
OCT-12
WIRE SPAN LENGTH CHART
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
Tu
esd
ay
, N
ov
em
ber 2
0,
20
12
AT
03
:37
PM
NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
SHEET OF XXX\\p
hlfile2
\sh
ared
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91
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ash
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C S
treetcar\0
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erab
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EL
\9
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raw
in
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YS
TR
A\W
ork
in
g D
raw
in
gs\O
CS
\O
CT
-1
2.d
gn
NA
ME
_S
UB
.tb
l1.0
000 ’
/ I
N.
90% SUBMITTAL 11-21-201209-04-2012
ALONG TRACK MOVEMENT AND STAGGER CHANGE
STAGGER EFFECT
WHERE
M
T
= ALONG TRACK MOVEMENT
= COEFFICIENT OF EXPANSION OF CONDUCTOR
= DISTANCE FROM MID-PIONT ANCHOR
= TEMPERATURE RANGE
L
WHERE
X
R
M
= STAGGER CHANGE
= ALONG TRACK MOVEMENT
= CANTILEVER REACH (DISTANCE FROM FACE OF POLE TO WIRE)
WHERE
= STAGGER DIFFERENCESD
= STAGGER AT EACH SUPPORTS1, S2
= CONDUCTOR BLOWOFF
= STAGGER DIFFERENT
= STAGGER EFFECT
B
SD
E
WHERE
V = VERSINE
SINGLE CONTACT AUTO TENSIONED ALONG TRACK MOVEMENT (M) INCHES
SINGLE CONTACT AUTO TENSIONED STAGGER CHANGE (X) INCHES
STAGGER EFFECT (E) INCHES
POLE BRACKET
HINGE PIN
WHEN SD>4 (B-V)
E=0 WHEN SD
VERTICAL LOADING RADIAL LOAD TANGENT TRACK RADIAL LOAD BY ANGLEWIND LOADINGVERTICAL LOADING RADIAL LOAD TANGENT TRACKWIND LOADING
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
1/2" ICE C/W
(N/O)
40 MPH WIND
1/4" ICE C/W
(O)
40 MPH WIND
R
RADIAL LOAD
R = 2T SIN (1/2 0)
"L" (SEE NOTE 2)
WIND "L " WIND "L "
"L"
0’-
9"
0’-
9"
0’-
9"
"L " SPAN "L " SPAN
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
64.8
68.1
71.3
74.5
77.8
40.0
42.0
44.0
46.0
48.0
55.3
58.1
60.8
63.6
66.4
38.2
40.1
42.0
44.0
45.9
90.0
85.7
81.8
78.3
75.0
TO DETERMINE RADIAL LOAD, MEASURE
ANGLE AND USE TABLE TO DETERMINE
LOAD FOR CONDITION REQUIRED.
0V = VERTICAL LOAD
SUPPORT
LOW POINT
V
LOW POINT
SUPPORT SUPPORT
SUPPORTSUPPORTSUPPORT
1
2
L + L
L =
1 2
2
1
SUPPORT SUPPORT SUPPORT
R1 2RSTAGGER
CONDUCTOR
STRUCTURE
CONDUCTORTENSION (T)
0
RADIAL LOAD (R) AT SUPPORT
R = R1 + R2
RADIAL LOAD IS BASED ON 9" STAGGER AT SUPPORTS
TO DETERMINE RADIAL LOAD, MEASURE
ANGLE AND USE TABLE TO DETERMINE
LOAD FOR CONDITION REQUIRED.
{ { {
{ { {
{ { {
2
0
CONDITION AND RADIAL LOAD (LB) "R"CONDITION AND RADIAL LOAD (LB) (R1 AND R2)
60^F
NO WIND,
NO ICEBARE ICE (NO) ICE (0)
C/W C/W C/W C/WC/WC/WC/W
CONDITION AND RADIAL LOAD (LB) "R"CONDITION AND RADIAL LOAD (LB) (R1 AND R2)CONDITION AND FORCE (WIND LOADING) (LB)
BARE WIRE
55 MPH WIND
BARE WIRE
70 MPH WIND
CONDITION AND
LOAD VALUE (V) (LB) SPAN
(FEET)SPAN
(FEET)
SPAN
(FEET)
ANGLE
(DEGREES)
0
C/W
60^F
NO WIND,
NO ICE
C/W
3.0
4.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
0.5
1.0
1.5
2.0
2.5
5.0
C/W
26.2
52.4
78.5
36.0
72.0
35.2
70.3
21.3 35.2 26.7
26.6 44.0 33.3
31.9 52.8
37.2
42.5
47.8
53.2
58.5
63.8
69.1
74.4
79.7
85.0
90.4
95.7
101.0
106.3
111.6
116.9
122.2
127.6
61.6
70.4
79.2
88.0
96.7
105.5
114.3
123.1
131.9
140.7
149.5
158.3
167.1
175.9
184.7
193.5
202.3
211.1
40.0
46.7
53.3
60.0
66.7
73.3
80.0
86.6
93.3
100.0
106.6
113.3
120.0
126.6
133.3
140.0
146.6
153.3
160.0
13.0
16.2
19.4
22.7
25.9
29.2
32.4
35.7
38.9
42.1
45.4
48.6
51.9
55.1
58.3
61.6
8.0
10.0
12.0
14.0
16.0
18.0
20.0
22.0
24.0
26.0
58.0
30.0
32.0
34.0
36.0
38.0
11.1
13.8
16.6
19.4
22.1
24.9
27.7
30.4
33.2
35.9
38.7
41.5
44.2
47.0
49.8
52.5
7.6
9.6
11.5
13.4
15.3
17.2
19.1
21.0
22.9
24.8
26.8
28.7
30.6
32.5
34.4
36.3
448.7
359.4
299.6
256.9
224.8
199.9
94.7
617.0
494.0
412.0
353.2
309.2
274.8
247.4
224.9
602.5
482.5
402.3
344.9
301.9
268.4
241.6
219.6
201.3
104.7
130.9
157.1
209.4
261.7
314.0
366.3
418.5
470.8
522.9
575.1
627.2
679.2
731.2
783.2
108.0
144.0
180.0
216.0
287.9
359.9
431.8
503.7
575.5
647.3
719.0
790.7
862.4
933.9
1005.4
1076.8
105.4
140.6
175.7
210.9
281.2
351.4
421.6
491.8
562.0
632.1
702.1
772.1
842.1
912.0
981.8
1051.5
179.9
163.6
150.0
138.4
128.5
120.0
112.5
105.9
100.0
206.2
190.3
176.7
165.0
154.7
145.6
137.5
130.2
123.7
117.8
112.5
107.6
103.1
185.9
172.6
161.1
151.0
142.1
134.2
127.2
120.8
115.1
109.8
105.1
100.7
NOTES:
1. L = SUM OF THE DISTANCE TO THE LOW POINT OF THE
CONTACT WIRE ON BOTH SIDES OF THE SUPPORT.
2. ICE (NON-OPERATING CONDITION) IS 1/2" RADIAL ICE
ON CONTACT WIRE. ICE ( OPERATING CONDITION)
IS 1/4" RADIAL ICE ON CONTACT WIRE.
-5^F, 40 MPH WIND
1/2" ICE
-5^F, 40 MPH WIND
1/4" ICE C/W
-5^F, 40 MPH WIND
1/2" ICE
-5^F, 40 MPH WIND
1/4" ICE C/W
XX
OVERHEAD CONTACT SYSTEMTECHNICAL SHEET
AUTO-TENSIONED SINGLE CONTACT WIRE
OCT-14
RADIAL AND WIND LOADS
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
Tu
esd
ay
, N
ov
em
ber 2
0,
20
12
AT
03
:37
PM
NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
SHEET OF XXX\\p
hlfile2
\sh
ared
\5
91
6 W
ash
in
gto
n D
C S
treetcar\0
9.0
Deliv
erab
les D
EL
\9
.2 D
raw
in
gs\S
YS
TR
A\W
ork
in
g D
raw
in
gs\O
CS
\O
CT
-1
4.d
gn
NA
ME
_S
UB
.tb
l1.0
000 ’
/ I
N.
90% SUBMITTAL 11-21-201209-04-2012
RADIAL LOAD BY ANGLEVERTICAL LOADING
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
1/2" ICE C/W
(N/O)
40 MPH WIND
1/4" ICE C/W
(O)
40 MPH WIND
R
RADIAL LOAD
R = 2T SIN (1/2 0)
"L" (SEE NOTE 2)
WIND "L " WIND "L "
"L"
0’-
9"
0’-
9"
0’-
9"
"L " SPAN "L " SPAN
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
64.8 40.0 55.3 38.260.0
TO DETERMINE RADIAL LOAD, MEASURE
ANGLE AND USE TABLE TO DETERMINE
LOAD FOR CONDITION REQUIRED.
0V = VERTICAL LOAD
SUPPORT
LOW POINT
V
LOW POINT
SUPPORT SUPPORT
SUPPORTSUPPORTSUPPORT
1
2
L + L
L =
1 2
2
1
SUPPORT SUPPORT SUPPORT
R1 2RSTAGGER
CONDUCTOR
STRUCTURE
CONDUCTORTENSION (T)
0
RADIAL LOAD (R) AT SUPPORT
R = R1 + R2
RADIAL LOAD IS BASED ON 9" STAGGER AT SUPPORTS
TO DETERMINE RADIAL LOAD, MEASURE
ANGLE AND USE TABLE TO DETERMINE
LOAD FOR CONDITION REQUIRED.
{ { {
{ { {
{ { {
2
0
CONDITION AND RADIAL LOAD (LB) "R"
CONDITION AND RADIAL LOAD (LB) (R1 AND R2)
BARE ICE (NO) ICE (0)
C/W C/W C/W C/W
C/WC/WC/W
CONDITION AND RADIAL LOAD (LB) "R"
CONDITION AND RADIAL LOAD (LB) (R1 AND R2)CONDITION AND FORCE (WIND LOADING) (LB)
BARE WIRE
55 MPH WIND
BARE WIRE
70 MPH WIND
CONDITION AND
LOAD VALUE (V) (LB) SPAN
(FEET)SPAN
(FEET)
SPAN
(FEET)
C/WC/W
3.0
4.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
0.5
1.0
1.5
2.0
2.5
5.0
C/W17.5
34.9
52.4
39.8
79.5
39.1
78.1
21.3 35.2 26.7
26.6 44.0 33.3
31.9 52.8
37.2
42.5
47.8
53.2
58.5
63.8
69.1
74.4
79.7
85.0
90.4
95.7
101.0
106.3
61.6
70.4
79.2
88.0
96.7
105.5
114.3
123.1
131.9
140.7
149.5
158.3
167.1
175.9
40.0
46.7
53.3
60.0
66.7
73.3
80.0
86.6
93.3
100.0
106.6
113.3
120.0
126.6
133.3
13.0
16.2
19.4
22.7
25.9
29.2
32.4
35.7
38.9
42.1
45.4
48.6
51.9
55.1
58.3
61.6
8.0
10.0
12.0
14.0
16.0
18.0
20.0
22.0
24.0
26.0
58.0
30.0
32.0
34.0
36.0
38.0
11.1
13.8
16.6
19.4
22.1
24.9
27.7
30.4
33.2
35.9
38.7
41.5
44.2
47.0
49.8
52.5
7.6
9.6
11.5
13.4
15.3
17.2
19.1
21.0
22.9
24.8
26.8
28.7
30.6
32.5
34.4
36.3
299.2
239.6
92.3
85.7
80.0
75.0
70.6
66.7
63.2
681.5
545.7
455.0
390.2
341.5
303.6
273.2
248.4
669.7
536.3
447.1
383.4
335.5
398.3
268.5
244.1
223.8
104.7
139.6
174.5
209.3
244.2
279.0
313.8
348.6
383.4
418.1
452.8
487.5
522.1
119.3
159.0
198.8
238.5
318.0
397.5
476.9
556.3
635.6
714.9
794.2
873.3
952.5
1031.5
1110.5
1189.4
117.2
156.3
195.3
234.4
312.5
390.6
468.6
546.6
624.6
702.5
780.4
858.2
935.9
1013.6
1091.2
1168.7
ANGLE
(DEGREES)
0
227.7
210.2 206.6
69.8
87.3
199.8
171.3
149.9
133.3
119.9
109.1
100.0
195.2
182.2
170.8
160.8
151.8
143.9
136.7
191.8
179.0
167.9
158.0
149.2
141.4
134.3
NOTES:
WIND LOADING RADIAL LOAD TANGENT TRACK
1. L = SUM OF THE DISTANCE TO THE LOW POINT OF THE
CONTACT WIRE ON BOTH SIDES OF THE SUPPORT.
2. ICE (NON-OPERATING CONDITION) IS 1/2" RADIAL ICE
ON BOTH CONDUCTORS. ICE ( OPERATING CONDITION)
IS 1/4" RADIAL ICE ON CONTACT WIRE.
60 DEG F
NO WIND,
NO ICE
60 DEG F
NO WIND,
NO ICE-5 DEG F, 40 MPH WIND
1/2" ICE
-5 DEG F, 40 MPH WIND
1/4" ICE C/W
-5 DEG F, 40 MPH WIND
1/2" ICE
-5 DEG F, 40 MPH WIND
1/4" ICE C/W
XX
OVERHEAD CONTACT SYSTEMTECHNICAL SHEET
FIXED TERMINATED SINGLE CONTACT WIRE
OCT-15
RADIAL AND WIND LOADS
D.C.
STATEREGTOTAL
SHEETS
SHEET
NO.PROJECT
Tu
esd
ay
, N
ov
em
ber 2
0,
20
12
AT
03
:37
PM
NO. DESCRIPTION NAME DATE
REVISIONS
DIVISION CHIEF
DATE
FILE
PROJECT ENG.
DESIGNED BY
CHECKED BY
DRAWN BY
PROJECT MGR.
D.C. DEPARTMENT OF TRANSPORTATION
INFRASTRUCTURE PROJECT MANAGEMENT ADMINISTRATION
PROJECT MANAGEMENT DIVISION
H STREET / BENNING ROAD STREETCAR
IMPLEMENTATION DESIGN / BUILD PROJECT
SYSTRA Consulting, Inc.1600 Market Street, Suite 1310Philadelphia, PA 19103
YS
VA
YS
GA
CH
SHEET OF XXX\\p
hlfile2
\sh
ared
\5
91
6 W
ash
in
gto
n D
C S
treetcar\0
9.0
Deliv
erab
les D
EL
\9
.2 D
raw
in
gs\S
YS
TR
A\W
ork
in
g D
raw
in
gs\O
CS
\O
CT
-1
5.d
gn
NA
ME
_S
UB
.tb
l1.0
000 ’
/ I
N.
90% SUBMITTAL 11-21-201209-04-2012
SHEET
SHEET OF
-5 0 5 10 15 20 TO 125
ACTUAL
SPAN
(FEET)
THE FOLLOWING FORMULA:
CONTACT WIRE SYSTEM IS DETERMINED BY
THE EQUIVALENT SPAN FOR THE SINGLE
TEMPERATURE.
SAG USING THE ACTUAL SPAN AND
FROM EQUIVALENT SPAN TABLE READ WIRE
TENSION LENGTH AS DESCRIBED ABOVE.
ESTABLISH THE EQUIVALENT SPAN FOR THE
A SPECIFIC TEMPERATURE INITIALLY
TO DETERMINE SAG OF CONTACT WIRE AT
BASIS.
BE INTERPOLATED ON A STRAIGHT LINE
THOSE LISTED, THE TENSION VALUE SHALL
ERECTION TENSION TABLES, BETWEEN
FOR INTERMEDIATE TEMPERATURES, IN THE
ANCHOR).
EACH FULL TENSION LENGTH (ANCHOR TO
LENGTHS OF THE INDIVIDUAL SPANS IN
L + L + L + - - - L1 2 3 N
1 2 3 N
3 3 3 3
N321L + L + L + - - - L
3.
2.
1.
WHERE L ,L ,L ,- - - L ARE THE
20
25
30
35
50
40
45
55
60
65
70
75
80
85
90
95
100
105
110
115
120
0.16
0.25
0.36
0.49
0.64
0.81
1.00
1.21
1.44
1.70
1.97
2.26
2.57
2.90
3.25
3.62
4.01
4.42
4.86
5.31
5.78
0.17
0.26
0.38
0.52
0.68
0.86
1.06
1.28
1.52
1.79
2.07
2.38
2.70
3.05
3.42
3.81
4.22
4.66
5.11
5.59
6.08
0.18
0.28
0.40
0.55
0.71
0.90
1.11
1.35
1.60
1.88
2.18
2.51
2.85
3.22
3.61
4.02
4.46
4.91
5.39
5.89
6.42
0.19
0.29
0.42
0.58
0.75
0.95
1.18
1.43
1.70
1.99
2.31
2.65
3.02
3.41
3.82
4.25
4.71
5.20
5.70
6.23
6.79
0.20
0.31
0.45
0.61
0.80