C 3 M - LIVE WORK Maintenance Conventional HIGH (HV) Climbing
Transcript of C 3 M - LIVE WORK Maintenance Conventional HIGH (HV) Climbing
Nominal
System
Voltage
Phase
to
Ground
Phase
to
Phase
(mm )
6.6 1
16mm /
kV Um
20mm /
kV Um
Creepage Distance
(mm )
Recommended
no. of
Disc Insulator
Units
(minimum)( kV )
- 22
Withstand Voltage
Lightning
Impulse
Swtching
Impulse
Power
Frequency
-
-
-
28
50
70 726
116
194 242
33
75
95
150
200
11
22
Standard Insulation Levels and Clearance Distances
2
3
150 200
200 270
320 430
430 580
1
387
581
145
484
Crossarm
D - Shackles orAdaptor Plate -+/- 300mm.
Arcing Horn
Insulator StringConductor
Suspension Clamp
Phase Conductor
VibrationDamper
1 460mm
1022mm
730mm
584mm
44kV
66kV
88kV
132 kV
9001000
1100
1200Safe Work Clearances
3656
1256
1022
1320
844
2544
MEWP
( IAD )
1m
2m
3m
4m
5m
6m
7m
8m
9m
10m
11m
12m
13m
14m
MEWP( IAD )
ConventionalClimbing
Procedural
Applications
Technical
Directive
Suspension Insulators
Strain Insulators
MEWP ( IAD )
❶
PEDESTALMOUNTED LADDER
POLE MOUNTED PLATFORM
❹
EXTENTION LADDER
❺
❷
CLIMBING IRONS
❸
PROCEDURE FOR CHANGING INTERMEDIATE POLE TO STRAIN STRUCTURE FROM AN INSULATING AERIAL DEVICE
OVERHEADSWITCH
HIGH (HV)
MEDIUM (MHV)
C3M - LIVE WORK Maintenance
1m
2m
3m
4m
5m
6m
7m
8m
9m
10m
11m
12m
13m
14m
15m
16m
17m
18m
StrainInsulators
StaticBonding
Lead
Hand Line
Lineman
(10)
SINGLE
CONDUCTOR ADAPTORS
TWIN TRIPLE QUAD SLEEVE
LIVE YOKE
X
LIVE END
SLEEVE
XCONDUCTOR
HOOK
220kV(13)
X
275kV(16)
400Kv(23)
X
132kV(10)
SINGLE
"V" STRING - 132kV > 400kV
4 X 4 Boom
WireTong
STRUCTURE
YOKE
" Diamond " - Carona Cage
S W L
( Safe Working Load )
of
Strain Pole Assembly
3 500 kG
INSULATOR "i" & "V" STRINGS WITH 50mm STRAIN POLE
ASSEMBLY AND CONDUCTOR CONFIGURATIONS
EXTRA HIGH (EHV)
ConventionalClimbing
SuspensionInsulators
16m
17m
18m
19m
20m
21m
22m
23m
24m
25m
26m
27m
28m
29m
30m
Ju
mp
ers
❽③① ②❽ TR
AN
SM
ISS
ION
Su
spe
nsi
on
St
rain
Ju
mp
ers
D
amag
ed
Co
nd
uct
or
❸ ❹ ❸ ❺ ❻
Ea
rth
Wir
e D
amp
er
A
viat
ion
Sp
he
re
❼ ❼⑤ ⑥
A
viat
ion
Sp
he
re
Sp
ace
rs
❻ ⑦ ⑧④
Fu
ll T
en
sio
n
Ea
rth
Wir
e D
amp
er
❹❶ ❷
DIS
TR
IBU
TIO
N
❷
A B
③ ④ ⑤ ⑥ ⑧
D
amag
ed
Co
nd
uct
or
❺❶
Sp
ace
rs
Fu
ll T
en
sio
n
⑦
Su
spe
nsi
on
St
rain
① ②
LIVE WORK PROCEDURAL APPROACH
DISTRIBUTION - 44kV > 132kV MAIN TRANSMISSION SYSTEM - 132kV > 765kV
Insulators Line HardwareLine HardwareInsulators
" Hot Seat " Method
• Suspension Insulator Change
• Strain Insulator Change
LIVE LINE MAINTENANCE
• Replacing section of damaged conductor O/Ph.
• Replacing Spacers & Minor Repairs O/Ph.
• Earthwire Damper Replacement E/Wi.
Linesman
• Full Tension Repairs / Installation
• Earthwire Damper Replacement
• Aviation Sphere Installation
• Replacing Spacers & Minor Repairs
• Replacing section of damaged conductor
• Full Tension Repairs / Installation E/Wi.
• Aviation Sphere Installation E/Wi.
• Inspecting hardware,jumper connections & replacement of minor hardware
• Inspecting hardware,
jumper connections
& replacement of minor hardware
• Removing / replacing / installing an
earthwire vibration damper
• Centre phase conductor repairs
Linesman
•Removing / replacing /installing an earthwire
vibration damper•
Centre phaseconductor repairs
•
Tower to Tower
" Underslung " Method
Conventional
Climbing
Air Mobile
MEWP ( IAD )
" Bare Hand "
Rope & Cart
Method
❶
❶
❷
❸
❹
❺
LWT '98 - PHS/SS 07
LWT '98 - PHS/SS 07
DISTRIBUTION
DISTRIBUTION
DISTRIBUTION
DISTRIBUTION
DISTRIBUTION
" I " Suspension " V " Suspension
StrainSTRAIN &SUSPENSION
REMOVINGBUSBAR
JUMPERS
STRAININSULATOR
STRINGS
SUSPENSIONINSULATOR
STRINGS
BYPASSLINKS
ENERGY
ERA(C)SECTOR
ENERGY
ERA(C)SECTOR
ENERGY
ERA(C)SECTOR
ENERGY
ERA(C)SECTOR
ENERGY
ERA(C)SECTOR
TRANSMISSION
DISTRIBUTION
ENERGY
ERA(C)SECTOR
HOT STICK& BARE HAND
TECHNICAL PROCEDURES
MEWP ( IAD )
❶
HS&BHMHOT STICK & BARE HAND METHODS
DIRECTIVE
LIVE WORKSUBSTATIONS
PERSONNELPOSITIONING
& EQUIPMENT
❷
❸
❹
❺
❻
METALLINER
❶
Informative . . .
ENERGY
ERA(C)SECTOR
❶
TRANSMISSION
DISTRIBUTION
SPRAYWASHING
CONVENTIONAL
❷
TRANSMISSION
DISTRIBUTION
SPRAYWASHING
AIR MOBILE
Overhead Lines&
Substations
TO
OL
S
&
EQ
UIP
ME
NT
I
DE
NT
IFIC
AT
ION
B
Y
CL
ASS
IFIC
AT
ION
STR
UC
TU
RE
SO
verh
ead
L
ines
STRUCTURE
IDENTIFICATION( HV & EHV )
44kV - 400kV
DUAL CIRCUIT
❿
CAMEL NECK
❽
❾
248 TYPE - "III"
❼
5 - POLE
LIGHT DELTA
" KITE "
❶
H - POLE
❷ ❸
LATICE
❹ ❺
248 TYPE - "IVI"
❻
⓫
⓬ ⓭
DELTA - "VVV" DUAL CIRCUIT
DELTA - "VVV" CONCORD NOSE
⓮
GUYED ROPE
⓯
GUYED - "V"
⓰
STRAIN
❶ > ❺ ❻ > ⓰
MEWP ( IAD )
❷
QMSSTANDARD &
PROCEDURAL
REQUIREMENTS
DIRECTIVE
EXT. & HOOK LADDER
❹
LADDER ASSEMBLY
POSITIONING
& EQUIPMENTPERSONNEL
AIR MOBILE
❸
ROPE & CART
❻ ❼
CONVENTIONAL
❶
HS&BHMHOT STICK & BARE HAND METHODS
1Pager
ISO 9001 : 2008
⌂ ⌂ ⌂ " IMS " ⌂ ⌂ ⌂
Line
man
Jumper
⓭
CRADLE POLEASSEMBLY
⓫
INSULATING LADDERASSEMBLY
❾
HANDLINGEQUIPMENT
❺
MAINTENANCE
& REPAIR
TOOLS &
EQUIPMENT
SPECIFICATIONS By
CLASSIFICATION
TENSIONINGEQUIPMENT
❹
ELECTRICALPROTECTION
❷
ACCESSEQUIPMENT
❶
MECHANICALPROTECTION
❸
STRAIN & CRADLEPOLE ASSEMBLY
❼
SUPPORT POLES
& ACCESSORIES
❿
TROLLEY POLEASSEMBLY
TESTINSTRUMENTS
❻
UNIVERSAL TOOLS
⓬
⓯
STRAIN POLEATTACHMENTS
STRAIN POLEYOKES
⓮
⓲⓱
AIR MOBILE
ACCESSORIES
❽
INSULATING POLES
SHUNT &TOOL BOX
⓰
Hot Stick & Bare Hand Methods
ISO 9001 : 2015
CHAIN SAW &PETROL DRILL
FLEXIBLE COVERS
MECHANICALPROTECTION
❸
MEWP ( INSULATING
AERIAL DEVICE )
❶
ELECTRICALPROTECTION
❷
❹
RIGID COVERS
6"
❺
SHUNT
❻
HANDLINGEQUIPMENT
❼
Manual
Cord
less
Manual
Cord
less
CRIMPING &
CUTTING TOOLS
Cord
less
Cord
less
POWER TOOLS
MAINTENANCE& REPAIR
TESTINSTRUMENTS
SUPPORT POLES& ACCESSORIES
❿
⓬
⓬
GIN
❾
⓬
⓭ ⓮
TOOLS &
EQUIPMENT
SPECIFICATIONS By
CLASSIFICATION
CRANE TRUCK& Ext. LADDER
⓯
1Pager
ISO 9001 : 2008
⌂ ⌂ ⌂ " IMS " ⌂ ⌂ ⌂
⓫
INSULATING POLES
TENSIONINGEQUIPMENT
❽
TECHNICAL
PROCEDURES
( MHV )11kV - 33kV
MAIN LINEC
LOS
ING
SP
AN
CLOSING SPAN
❿
SWITCHES
❽
BIRDS / STAYS /TREES / B.I.L.
❾
LINKS
❼
HORISONTAL
STEEL "KITE"
VERTICAL STRAIN
❶
DELTA
❷ ❸
VERTICAL
❹ ❺
"WISHBONE"
❻
POLE CHANGE& CONVERSIONS
⓫
IGMINSULATING GLOVE METHOD
QMS
STANDARD &
PROCEDURAL
REQUIREMENTS
DIRECTIVE
ISO 9001 : 2015
. . . DIRECTIVES . . .
STRUCTURE
IDENTIFICATION