Substation Standard Earthing Index ESS10031...UNCONTROLLED COPY I (I I N 1 I 2 I 3 I 4 I 5 I 6 0...

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INDEX

DESCRIPTION DRAWING DESCRIPTION ASSEMBLY NUMBER DRAWING

NOTES .................................................................................................. EESS-10031-02 ASSEMBLY DETAILS OVERVIEW ......................................................................................... EESS-10031-03 • EARTH GRID CONNECTION ............................................... ASSY 40A .......... EESS-10031-40

A

EARTHING ASSEMBLY • EARTH GRID I RISER CONNECTION .................................... ASSY 40B .......... EESS-10031-40

• EARTH GRID - PLAN ................................................................ EESS-10031-05 • EARTH ROD CONNECTION ................................................ ASSY 41A .......... EESS-10031-41

- SECTION A ....................................................... EESS-10031-06 • OPERATOR EARTH MAT CONNECTION ................................... ASSY 41B .......... EESS-10031-41

• POWER TRANSFORMER - PLAN ................................................................ EESS-10031-07 • COVERED GNIYE STRANDED COPPER CONDUCTOR TEE ................ ASSY 42A .......... EESS-10031-42

- SECTION A ........................................................... EESS-10031-08 • FIXING EARTH RISER TO CONCRETE ................................... ASSY 43A .......... EESS-10031-43

• CIRCUIT BREAKER .................................................................................. EESS-10031-09 • FIXING EARTH RISER TO CONCRETE - MECHANICAL PROTECTION ... ASSY 43B .......... EESS-10031-43

• CURRENT TRANSFORMER ........................................................................... EESS-10031-10 • FIXING COVERED GNIYE STRANDED COPPER TO STEEL ............. ASSY 44A .......... EESS-10031-44

• VOLT AGE TRANSFORMER ........................................................................... EESS-10031-11 • FLAT I STRANDED COPPER BOLTED CONNECTION ..................... ASSY 44B .......... EESS-10031-44

• ISOLA TOR ........................................................................................... EESS-10031-12 • 2 HOLE LUG EARTH CONNECTION - SINGLE ............................. ASSY 45A .......... EESS-10031-45

• EARTH SWITCH ..................................................................................... EESS-10031-13 • 2 HOLE LUG EARTH CONNECTION - DOUBLE ............................ ASSY 45B .......... EESS-10031-45

• CB, CT ISOLA TOR & EARTHSWITCH - DEAD TANK ............................................................. . • BUS SUPPORT ...................................................................................... EESS-10031-15

• 1 HOLE LUG EARTH CONNECTION - SINGLE ............................. ASSY 45C .......... EESS-10031-45

• 1 HOLE LUG EARTH CONNECTION - DOUBLE ............................. ASSY 45D .......... EESS-10031-45

• CABLE POTHEAD .................................................................................... EESS-10031-16 • FLAT COPPER STRAP - CROSS CONNECTION .......................... ASSY 46A .......... EESS-10031-46 B

• SURGE ARRESTER ................................................................................... EESS-10031-17 • FLAT COPPER STRAP - TEE CONNECTION .............................. ASSY 46B .......... EESS-10031-46

• CAPACITOR BANK .................................................................................................... . • FLAT COPPER STRAP -LAP CONNECTION .............................. ASSY 47A .......... EESS-10031-47

• REACTOR .............................................................................................................. . • FLAT COPPER STRAP -BOLTED CONNECTION ......................... ASSY 47B .......... EESS-10031-47

• PAD MOUNT STATION SERVICE TRANSFORMER ................................................................. . • FIXING FLAT COPPER STRAP TO CONCRETE ........................... ASSY 48A .......... EESS-10031-48

• CONCRETE POLE ..................................................................................... EESS-10031-21 • FIXING FLAT COPPER STRAP TO STEEL ............................... ASSY 48B .......... EESS-10031-48

• LIGHTNING MAST .................................................................................. EESS-10031-22 • FIXING FLAT COPPER STRAP WITH LV STANDOFF INSULATOR ..... ASSY 49A .......... EESS-10031-49

• SWITCHYARD LIGI:II ................................................................................ EESS-10031-23 • CONCRETE POLE FERRULE EARTH CONNECTION ......................... ASSY 49B .......... EESS-10031-49

• CABLE PIT & CABLE TRENCH .................................................................... EESS-10031-24 • POWER TRANSFORMER MAIN STRAP .................................... ASSY SOA .......... EESS-10031-50

• FENCE & GATE ..................................................................................... EESS-10031-25 • POWER TRANSFORMER EARTH CONNECTION ........................... ASSY SOB .......... EESS-10031-50

• FENCE EARTH BREAK .............................................................................. EESS-10031-26 • POWER TRANSFORMER LV NEUTRAL BUSH CONNECTION ............. ASSY 51 A .......... EESS-10031-51

• STRAIN EARTHWIRE - OPGW .................................................................... EESS-10031-27 • POWER TRANSFORMER LV NEUTRAL CT CONNECTION ................. ASSY 51B .......... EESS-10031-51

• SUBSTATION BUILDING -CONCRETE REINFORCING GRADING RING ......................................... .. • POWER TRANSFORMER LV CABLE BOX CONNECTION .................. ASSY 52 A .......... EESS-10031-53

c - DOORS, WINDOWS, HAND RAILS .................................................... . - CABLE TRAY, PANELS, SECONDARY EQUIPMENT ................................. . - INDOOR SWITCHGEAR ............................................................... .

• CONTROL CUBICLE I MARSHALLING BOX CONNECTION .............. ASSY 52B .......... EESS-10031-53 • COPPER PED SADDLE ...................................................... ASSY 53 .......... EESS-10031-54

• STRUCTURE INCORPERATED PED SADDLE ............................... ASSY 54 .......... EESS-10031-54 • SURGE ARRESTER TEST CONNECTION ................................. ASSY 55 A .......... EESS-10031-55 • TRENCH COVER CONNECTION .............................................. ASSY 55B .......... EESS-10031-55

• FENCE I GATE CONNECTIONS ............................................. ASSY 56 A .......... EESS-10031-56 ;

I • FENCE BARD ED WIRE CONNECTION ....................................... ASSY 56B .......... EESS-10031-56 • CONCRETE REINFORCING GRADING RING CONNECTION .......................................................... ..

f-i • • METALLIC DOOR, WINDOW FRAME & HANDRAIL CONNECTIONS ............................................. ..

i !

t LEGEND

ASSEMBLY~ NUMERIC VALUE DENOTES::;:::::-- ~.......____ALPHA VALUE DENOTES

• CABLE TRAY CONNECTIONS ........................................................................................ . • PANEL & SECONDARY SYSTEM ENCLOSURE CONNECTIONS ................................................... .

• INDOOR SWITCHGEAR CONNECTIONS .............................................................................. . • CONTROL I PROTECTION CABLE SCREEN EARTH CONNECTION .............................................. ..

• POWER CABLE SCREEN I SHEATH EARTH CONNECTIONS ...................................................... . I I l

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0 EARTHING CONDUCTORS AND CURRENT RATING

I BARE STRANDED COPPER CONDUCTOR 6. STRANDED CONDUCTOR JOINTS

* T""" * GREEN/GREEN YELLOW PVC INSULATED COPPER CONDUCTOR ABOVE GROUND - EXOTHERMIC WELDING IS PREFERRED, HOWEVER COMPRESSION JOINTS USING SUIT ABLE ("'') * ANNEALED COPPER STRAP HYGROUND 'C' TYPE CRIMP OR EQUIVALENT CONNECTOR IS ACCEPTABLE.

0 CURRENT RATING kA/1.5s BELOW GROUND - EXOTHERMIC WELDING OR COMPRESSION JOINT TO IEEE STD 837 2002 SHALL BE USED.

0 INSULA TED BARE 7. PREPARATION OF CONNECTIONS

T""" STRANDED CONDUCTOR FINAL TEMP 160• FINAL TEMP 25o• EARTH TERMINALS SHALL BE STRIPPED OF PAINT AND CLEANED OF CONTAMINATION. JOINT SURFACES I

en A 70mm2 19/2.14 7.43 9.31 SHALL BE GREASED PRIOR TO BOLTING TOGETHER. A

en 120mm2 19/2.75 12.35 15.4 7 8. PROTECTION FROM MECHANICAL DAMAGE

w 150mm2 19/3.00 14.64 18.35 STRUCTURE/EQUIPMENT EARTH TAIL RISERS EXITING THE GROUND ARE TO BE CHASED THROUGH A RECESS

w FORMED IN THE CONCRETE FOUNDATION SPECIFICALLY FOR THIS PURPOSE. WHERE A RECESS IS NOT 185mm2 37/2.50 19.89 24.92 AVAILABLE, THE CONDUCTOR SHALL BE PROTECTED BY A SUIT ABLE METALLIC CONDUIT FROM 100mm BELOW

240mm2 37/2.75 24.04 GROUND LEVEL TO THE TOP OF THE FOUNDATION.

30.12 9. INTERSECTION WITH METAL SERVICES SUCH AS METAL SHEATHED CABLES AND PIPE

- 300mm2 37/3.00 28.52 35.74 METAL SERVICES SHALL BE PROTECTED FROM ELECTROLYTIC CORROSION BY WRAPPING METAL SURFACES r-FLAT COPPER STRAP WITH AN IMPREGNABLE TAPE SUCH AS 'DENSO' FOR A LENGTH OF 1m EITHER SIDE OF THE INTERSECTION.

TO PREVENT POTENTIAL ARCING DURING EARTH FAULTS, THE MINIMUM DISTANCE BETWEEN EARTHING 25mm x 2.5mm N/A 8.56 CONDUCTORS AND METAL SERVICES SHALL BE 150mm.

20mm x 4.0mm N/A 10.95 10. CONDUCTOR CORROSION PREVENTION

31.5mm x 4.0mm N/A 17.25 UNDERGROUND CONDUCTORS SHALL BE BACK FILLED WITH SUIT ABLE MATERIAL HAVING A pH LEVEL BETWEEN 6 AND 10 AND SHALL SURROUND THE CONDUCTOR BY AT LEAST 150mm. FINE SOILS SUCH AS

40mm x 4.0mm N/A 21.91 NEUTRAL CLAY, BENTONITE OR LOAM ARE ACCEPTABLE. GRAVEL, SAND AND PUMICE SHOULD BE AVOIDED. 8 1. FASTENINGS BARE COPPER CONDUCTOR OR STRAP SHALL BE KEPT CLEAR OF THE STRUCTURE BY USE OF UV 8

BOLTED EARTHING CONDUCTOR CONNECTIONS TO STATION EQUIPMENT OR STRUCTURES SHALL BE MADE STABILISED NYLON OR PVC SPACERS BETWEEN IT AND THE STRUCTURE AT THE FASTENING POINT.

WITH STAINLESS STEEL BOLTS, STAINLESS STEEL FLAT 12 PER BOL Tl AND SPRING 11 PER BOL Tl WASHERS BARE COPPER CONDUCTORS IN CONTACT WITH GAL VAN IS ED STRUCTURES SHALL BE TINNED. AND A STAINLESS STEEL NUT. BOLTED CONNECTIONS SHALL NOT BE USED BELOW GROUND LEVEL. 11. FIRE PREVENTION TWO EARTH CONNECTIONS ARE REQUIRED FOR ALL SUPPORT STRUCTURES OF EQUIPMENT THAT IS LIKELY EARTHING CONDUCTORS SHALL BE INSTALLED IN SUCH A WAY THAT TEMPERATURE RISE RESULTING TO BE A SOURCE OF FAULTS. THE CONNECTIONS MUST BE MECHANICALLY SOUND AND BE ABOVE GROUND FROM EARTH FAULT CURRENTS FLOWING THROUGH THE CONDUCTOR WILL NOT CREATE A FIRE HAZARD. LEVEL SUCH THAT IT CAN BE INSPECTED. THE CONNECTIONS SHOULD BE MADE ON OPPOSING SIDES OF A MIMINUM DISTANCE OF 1m SHALL BE MAINTAINED BETWEEN EARTHING CONDUCTORS AND THE EQUIPMENT AND MADE OFF IN OPPOSITE DIRECTIONS. EQUIPMENT EARTHING TERMINALS SHALL HAVE FLAMMABLE MATERIALS. r------ TWO HOLES DRILLED VERTICALLY AND 50mm BETWEEN CENTRES. r-TWO-BOLT CONNECTIONS SHALL BE USED FOR: 12. INSTALLATION f--/

- POWER TRANSFORMERS, METAL-ENCLOSED SWITCHBOARDS, GIS, CB, DISCONNECTORS, EARTHING SWITCHES, - COPPER EARTHING CONDUCTORS ARE TO BE LAID AND ALL UNDERGROUND JOINTS ARE TO BE CT, VT, REACTORS & CAPACITOR BANKS, INSTALLED BY A SUITABLY TRAINED AND QUALIFIED PERSON.

- STRUCTURES OF CIRCUIT BREAKERS, DISCONNECTORS, EARTHING SWITCHES, CT's, VT's, CABLE TERMINATIONS, - ALL JOINTS ARE TO BE INSPECTED BY THE PRINCIPAL'S SUPERINTENDENT PRIOR TO BACKFILLING REACTORS,CAPACITOR BANKS BUS SUPPORT INSULATORS & SURGE ARRESTERS, OF TRENCHES.

- METALLIC TRANSMISSION LINE TOWERS, LIGHTING STANDARDS, LIGHTNING MASTS & MODULAR BUILDINGS. - COPPER EARTHING CONDUCTORS ARE TO BE LAID AT A NOMINAL DEPTH OF 500mm BELOW

EARTHING CONNECTIONS SHOULD NOT BE MADE DIRECTLY TO A PAINTED SURFACE UNLESS IT HAS BEEN GROUND LEVEL OR, WHERE LAID UNDER A DEEPER FOUNDATION, TO BE CLEAR OF THE CONCRETE. SUITABLY TREATED TO ENSURE A CORROSION FREE LOW RESISTANCE CONNECTION.

c -WHERE CONDUCTORS ARE LAID ADJACENT TO FOUNDATIONS,THE NEAREST EDGE OF THE CONDUCTOR c 2. BRAZING ALLOY TRENCH SHALL BE A MINIMUM OF 400mm CLEAR OF THE FOUNDATION.

BRAZED JOINTS ON COPPER STRAPS SHALL BE SILVER SOLDERED JOINTS USING CIG SILVER BRAZING - ALL EARTH TAIL RISERS FROM THE GROUND SHALL BE INSTALLED WITH A MINIMUM PROJECTION OF ALLOY COMWELD SBA 102, 2% Ag, Cu, P ALLOY TO AS1167 OR APPROVED EQUIVALENT. ZINC BEARING 500mm ABOVE THE TOP OF THE FOUNDATION HOLDING DOWN BOLTS UNLESS STATED OTHERWISE. ALLOY SHALL NOT BE USED. - EARTH TAIL RISERS TO CONCRETE POLES SHALL BE LEFT A MIMIMUM OF 1000mm FROM THE CENTRE

3. GREASE OF THE POLE WITH A MINIMUM OF 2000mm OF CONDUCTOR LEFT ABOVE GROUND LEVEL. ;

' BRAZED JOINT AND EQUIPMENT CONNECTION FACES SHALL BE COATED WITH A NON-DRYING, WATER - WHERE TWO 121 EARTH TAIL RISERS FROM THE SAME FOUNDATION CONNECT TO THE ONE GRID MEMBER, I REPELLENT AND CORROSION INHIBITING GREASE. SUIT ABLE GREASES ARE 'ALVINIA ALV300' AND 'SECUROL'. THE TAILS AND CONNECTION POINT TO THE GRID MEMBER SHALL BE INSTALLED A MIMIMUM OF - 1000mm APART. r-j

4. EXOTHERMIC WELDING - ALL BENDS IN STRANDED EARTH TAIL CONDUCTORS SHOULD HAVE A RADIUS NO LESS THAN 30mm. •

IN ORDER TO ACHIEVE A SATISFACTORY JOINT, MOULDS AND CHARGES MUST BE COMPATIBLE, SUITABLE THIS IS ESPECIALLY CRITICAL WHEN INSTALLING SURGE DIVERTER TAILS. i FOR THE CONDUCTOR AND SOURCED FROM A REPUTABLE SUPPLIER. !

- INSTALLED EARTH RODS SHALL CONSIST OF TWO 1211.5m RODS , ONE 111 DRIVE POINT AND ONE 111 t 5. BOLTED JOINTS COUPLER ASSEMBLED TO FORM ONE CONTINUOUS 3.0m ROD. COPPER CLAD RODS ARE NOT TO BE

BOLTED JOINTS ARE ONLY PERMITTED IN SMALL SUBSTATIONS WHERE THE FORESEEABLE EARTH FAULT BENT OVER AND THE TOP OF THE ROD, WHEN INSTALLED, SHALL FINISH LEVEL WITH THE EARTH GRID. I CURRENT WILL BE LOW OR AS TEST DISCONNECTION POINTS IN AN EARTHING SYSTEM WHICH HAS I BRAZED JOINTS. BOLTED JOINTS SHALL NOT BE USED BELOW GROUND. l •

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I ITEM DESCRIPTION STOCK CODE ITEM DESCRIPTION STOCK CODE ITEM DESCRIPTION STOCK CODE en BARE HARD DRAWN COPPER 19/2.14 170mm2) COMPRESSION 70mm2 - 70mm2 EARTH ROD 13mm DIA EARTH ROD COPPER CLAD 1.5m LENGTH en STRANDED

1912.75 1120mm2) CONNECTIONS

70mm2 - 120mm2 COMPONENTS

w CONDUCTOR HARD DRAWN COPPER COUPLING, TO SUIT ABOVE

w HARD DRAWN COPPER 19/3.00 (150mm2) 70mm2 - 150mm2 DRIVING POINT, TO SUIT ABOVE

HARD DRAWN COPPER 37/2.50 1185mm2) 70mm2 - 185mm2 OPERATOR 1500mm x 900mm GALVANISED MILD STEEL - -EARTH MAT DULMISON - CAT No. EARTHMAT, OR EQUIVALENT HARD DRAWN COPPER 3712.75 1240mm2) 70mm2 - 240mm2

HARD DRAWN COPPER 37/3.00 1300mm2l 70mm2 - 300mm2 FASTENERS SADDLE STAINLESS STEEL 16mm

COVERED HARD DRAWN COPPER GN/YE PVC INSULA TED 19/2.14 (70mm2) 120mm2 - 120mm2 SADDLE STAINLESS STEEL 20mm STRANDED

HARD DRAWN COPPER GN/YE PVC INSULA TED 19/2.75 (120mm2) 120mm2 - 150mm2 BOLT STAINLESS M12 x ?? CONDUCTOR HARD DRAWN COPPER GN/YE PVC INSULA TED 19/3.00 1150mm2) 120mm2 - 185mm2 NUT STAINLESS M12

B B HARD DRAWN COPPER GN/YE PVC INSULA TED 37/2.50 (185mm2) 120mm2 - 240mm2 FLAT WASHER STAINLESS M12

HARD DRAWN COPPER GN/YE PVC INSULA TED 3712.75 (240mm2) 120mm2 - 300mm2 SPRING WASHER STAINLESS M12 -HARD DRAWN COPPER GN/YE PVC INSULA TED 37/3.00 1300mm2) 150mm2 - 150mm2 NAIL ANCHOR

FLAT ANNEALED FLAT COPPER 25mm x 2.5mm 150mm2 - 185mm2 POP RIVET COPPER

ANNEALED FLAT COPPER 20mm x 4mm 150mm2 - 240mm2 MISCELLANEOUS FLEXIBLE BRAID STRAP

- ANNEALED FLAT COPPER 31.5mm x 4mm 150mm2 - 300mm2 INSULA TOR LV STANDOFF -ANNEALED FLAT COPPER 40mm x 4mm 185mm2 - 185mm2 PIPE GALVAN IS ED 20mm NB

TINNED TINNED ANNEALED FLAT COPPER 25mm x 2.5mm 185mm2 - 240mm2 HEAT SHRINK GN/YE COLOURED FLAT

TINNED ANNEALED FLAT COPPER 20mm x 4mm 185mm2 - 300mm2 COPPER STRAP TINNED ANNEALED FLAT COPPER 31.5mm x 4mm 240mm2 - 240mm2

c TINNED ANNEALED FLAT COPPER 40mm x 4mm 240mm2 - 300mm2 c EXOTHERMIC 70mm2 - 70mm2 300mm2 - 300mm2 CONNECTIONS

70mm2 - 120mm2 13mm DIA EARTH STAKE - 70mm2 STRANDARD COPPER CONDUCTOR



70mm2 - 240mm2 13mm DIA EARTH STAKE - 185mm2 STRANDARD COPPER CONDUCTOR - 70mm2 - 300mm2 13mm DIA EARTH STAKE - 240mm2 STRANDARD COPPER CONDUCTOR - ::::>


120mm2 - 150mm2 COMPRESSION 70mm2,COPPER TINNED,2x M12 BOLT HOLES,50mm CENTRES, LONG BARREL

120mm2 - 185mm2 LUGS 120mm2, COPPER TINNED, 2x M12 BOLT HOLES, 50mm CENTRES, LONG BARREL

120mm2 - 240mm2 150mm2, COPPER TINNED, 2x M12 BOLT HOLES, SOmm CENTRES, LONG BARREL

D 120mm2 - 300mm2 185mm2, COPPER TINNED, 2x M12 BOLT HOLES, 50mm CENTRES, LONG BARREL D

150mm2 - 150mm2 240mm2, COPPER TINNED, 2x M12 BOLT HOLES, 50mm CENTRES, LONG BARREL

150mm2 - 185mm2 300mm2, COPPER TINNED, 2x M12 BOLT HOLES, 50mm CENTRES, LONG BARREL

150mm2 - 240mm2 70mm2, COPPER TINNED, SINGLE M12 BOLT HOLE, LONG BARREL 2401074

150mm2 - 300mm2 120mm', COPPER TINNED, SINGLE M12 BOLT HOLE, LONG BARREL

185mm2 - 185mm2 150mm2, COPPER TINNED, SINGLE M12 BOLT HOLE, LONG BARREL - -

185mm2 - 240mm2 185mm2, COPPER TINNED, SINGLE M12 BOLT HOLE, LONG BARREL

185mm2 - 300mm2 240mm', COPPER TINNED, SINGLE M12 BOLT HOLE, LONG BARREL

240mm2 - 240mm2 300mm2, COPPER TINNED, SINGLE M12 BOLT HOLE, LONG BARREL ~ z

240mm2 - 300mm2 CABLE GLAND BRASS - TO SUIT 70mm2 GN/YE COVERED COPPER CONDUCTOR i 0

300mm2 - 300mm2 BRASS - TO SUIT 120mm2 GN/YE COVERED COPPER CONDUCTOR ~ 0

E 13mm DIA EARTH STAKE - 70mm2 STRANDARD COPPER CONDUCTOR BRASS - TO E u

SUIT 150mm2 GN/YE COVERED COPPER CONDUCTOR ~ w z

13mm DIA EARTH STAKE - 120mm2 STRANDARD COPPER CONDUCTOR BRASS - TO SUIT 185mm2 GN/YE COVERED COPPER CONDUCTOR w z 0

13mm DIA EARTH STAKE - 150mm2 STRANDARD COPPER CONDUCTOR BRASS - TO SUIT 240mm2 GN/YE COVERED COPPER CONDUCTOR ~ w

' 13mm DIA EARTH STAKE - 185mm2 STRANDARD COPPER CONDUCTOR BRASS - TO SUIT 300mm2 GN/YE COVERED COPPER CONDUCTOR

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j 13mm DIA EARTH STAKE - 240mm2 STRANDARD COPPER CONDUCTOR E

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13mm DIA EARTH STAKE - 300mm2 STRANDARD COPPER CONDUCTOR .! - - ' " ~

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MATERIAL LEGEND

ASSY 40A

40B

41A

SSA

I I I I I I I

DESCRIPTION EARTH GRID CONNECTION

EARTH GRID I RISER CONNECTION

EARTH ROD CONNECTION

FECNCE I GATE CONNECTION

TYPICAL FOUNDA liON

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QTY AS REQ

AS REQ

AS REQ

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ASSY 40B

ASSY

DESCRIPTION EARTH GRID CONDUCTOR

EARTH RISER CONDUCTOR

SUBST A liON FENCE

EARTH GROUND ROD

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MATERIAL

ASSY DESCRIPTION QTY 40B EARTH GRID I RISER CONNECTION

43A FIXING EARTH RISER TO CONCRETE

<:> <:>

"'

~1 ASSY 43A/

EARTH GRID TRENCHES MUST BE 400mm MINIMUM FROM ALL FOUNDATION EDGES

\ ASSY 40B

3

E :::> E

" E

<:> <:>

"'

I

BACKFILL pH LEVEL BETWEEN 6 & 10

SECTION EARTH GRID ASSEMBLY

I 4 I

TYPICAL FOUNOA TION

5 I 6

LEGEND

LINE STYLE DESCRIPTION --------- EARTH GRID CONDUCTOR

EARTH RISER CONDUCTOR A

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ERGON ENERG~~~~~AciiON STANDARD EESS-1 0031- 06 R; i EARTH GRID ASSEMBLY i

SECTIONA 1-. NTS =. 07 s "


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MATERIAL ASSY DESCRIPTION

40B EARTH GRID I RISER CONNECTION


43B FIXING EARTH RISER TO CONCRETE - MECHANICAL PROTECTION

45C 1 HOLE LUG EARTH CONNECTION - SINGLE

48A FIXING FLAT COPPER STRAP TO CONCRETE

SOA POWER TRANSF MAIN STRAP

SOB POWER TRANSF EARTH CONNECTION

51 A POWER TRANSF LV NEUTRAL BUSH CONNECTION

51B POWER TRANSF LV NEUTRAL CT CONNECTION

52 A POWER TRANSF LV CABLE BOX CONNECTION

52B CUBICLE I MARSHALLING BOX CONNECTION

SSA SURGE ARRESTER TEST CONNECTION

LEGEND LINE STYLE DESCRIPTION

EARTH GRID CONDUCTOR


FLAT COPPER EARTH STRAP

EARTH BRAID

I 2

QTY 3

AS REQ

3

1

AS REQ

1

2

1

1

AS REQ

AS REa

1

(I I I 3 I 4 I 5 I 6

1 - 1 ASSY 40B 1

t ASSY 408 )-------------------------"' --------------1 ----------------..0:----------------------- , __

ASSY 43B"-.,. / ASSY 44B ASSY 43B'-...,.

/ ///// ///////// ////////////// ////~

/ I TYPICAL FOUNDATION & BUND ASSY 43A / ~ v / I ASSY 45C' / ASSY 48A -----i V / i v / i v

REFER 911976-17 V / I FOR SA EARTHING /CONTROL CUBICLE

/ i Jjl !iit] i4it] /T/C DRIVE v / ASSYSSA\j :::r- JU .UIU, ]/ I- v / ASSY 5~~ _ _ _ _ _ _

1 _; _ ~~- _ •

111 V

/ I 'I RADIATORS V

/

ASSY 52B' ASSY 52B 1 h V I @ @ @

/ j ~ ~ !-i-----ASSY 48A V v ASSY SOA -~ TYPICAL POWER TRANSFORMER ( ~ D) ! i CONSERVATOR v V ASSY 48A-~ \_,_~ !t-ASSY SOA V V I 00 ~ il[ V

• ASSY 52A\ ASSY 51A "T = V / I -- :t j I RADIATORS

v '!.-- - --- \ - ---_--I[B[f~ _:._~AS1SY S~B ~ I/ LV CABLE BOX ASSY 51 ! 1- I/ 1 , EUTRA~ V 1/ CT I

I/ I V V ~ASSY 48A V V I V v i v v i v v i v /////////////////////1/////////////////

ASSY 43B/I'--ASSY 44B

~---- -----------------------------------, (----r ('~ i--- --;~~-~~--------------------------~

~

POWER TRANSFORMER ASSEMBLY -PLAN

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Chocksd - ERGON ENERGY SUBSTATION STANDARD DCHENG 12/0312012 Appro""" ""'" EARTHING KELKINS 1310312012

POWER TRANSFORMER Bus. Rsq. Approved Dais

EARTHING ASSEMBLY- PLAN , I 2 I 3 I 4 I 5

Revision

EESS-10031-07 OA 1-. NTS =. 08

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UNCONTROLLED COPY

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MATERIAL

ASSY 40B

43B

44B

49A

SOA

SOB

51 A

51B

52 A

52B

55 A

DESCRIPTION EARTH GRID I RISER CONNECTION

FIXING EARTH RISER TO CONCRETE - MECHANICAL PROTECTION

FLAT I STRANDED COPPER BOLTED CONNECTION

FIXING FLAT COPPER STRAP WITH STANDOFF INSULATOR

POWER TRANSF MAIN STRAP

POWER TRANSF EARTH CONNECTION

POWER TRANSF LV NEUTRAL BUSH CONNECTION

POWER TRANSF LV NEUTRAL CT CONNECTION

POWER TRANSF LV CABLE BOX CONNECTION

CUBICLE I MARSHALLING BOX CONNECTION

SURGE ARRESTER TEST CONNECTION

ASSY 44B'-ASSY 43B<r

ASSY 40B

I 2

QTY 2

2

2

LV AS REQ

AS REQ

2

AS REQ

I 3

SURGE ARRESTER~

I I

\ ~

CONSERVATOR )

4

REFER 9119 7 6-17 lt===::::JF'j:---i::::::j J~==L=::;A::;;S:;;:S Y;::::;;5;;::1 Arl

1--

:----CONTROL CUBICLE,

....... ll F lb--

-'--

ASSY

LV NEUTRAL BUSH I

ASSY 55A

SECTION POWER

TRANSFORMER ASSEMBLY

ASSY

!\ASSY 49A

----" LV CABLE BOX

PI - ~ASSY 49A

52 A"-...

NEUTRAL CT

I 5 I 6

LEGEND



-·-·-·-·- FLAT COPPER EARTH STRAP

-··-··-··-··- EARTH BRAID

ASSY 40B

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ERGON ENERG~~~~~AciiON STANDARD EESS-1 0031- 08 R; i POWER TRANSFORMER i

EARTHINGASSEMBLY·SECTIONA 1-. NTS =. 09 s "


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MATERIAL

ASSY DESCRIPTION 40B EARTH GRID I RISER CONNECTION


44A FIXING COVERED GNIYE STRANDED COPPER TO STEEL

45B 2 HOLE LUG EARTH CONNECTION - DOUBLE


53 COPPER PED SADDLE

I 2

QTY 2

2

3

2

1

1

(I I 3

LEGEND



NOTES:

I

1. THE EARTHING IS DIAGRAMATIC ONLY. ACTUAL EQUIPMENT AND STRUCTURE MAY VARY.

2. PED SADDLE AT CT SIDE OF CB STRUCTURE.

CB MECHANISM-......_ /ADD IF EARTH NOT PROVIDED BOX EARTH 'e-- ___., BY MANUFACTURE

PED SADDLE-......_ , ! !SEE NOTE 2.1 '-!

STRUCTURE EARTH ATTACHMENT POINT

GROUND LEVEL

STRUCTURE-....._

~ .

EARTH TAIL ""'

I CB MARSHALLING BOX EARTH

I /STRUCTURE EARTH V" ATTACHMENT POINT

I _.....-STRUCTURE f' EARTH TAIL

,.. ASSY 53-----j 1--- ASSY 44A

!SEE NOTE 2.1

ASSY 4SB- 1---ASSY 45B

. ili~~~//.ij~~~~~~~~:~~.:~-·-:~::.~-·rr.~ij~/~~~,~~~,~~'

. A.

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ASSY 40B ASSY 40B EARTH GRID

SCHEMA TIC SIDE VIEW

4 I 5 I 6

·--- --- --?'" -----------------------------ASSY 40B/ l!ASSY 43A

ASSY 45B II

• ASSY 45B/ II

ASSY 43A/I /ASSY 40B

--------------------------~-----------· SECTION

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·= 0

ASSY 44A~

ASSY 45B~ ASSY 43A

FRONT VIEW CIRCUIT BREAKER EARTHING ASSEMBLY

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EARTHINGASSEMBLY 1-. NTS =. 10 s " I 2 I 3 I 4 1 5 I •

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MATERIAL


42A COVERED GNIYE STRANDED COPPER TEE



I 2

QTY 2

3

2

AS REO

(I I 3

LEGEND



NOTES:

I

45A 2 HOLE LUG EARTH - SINGLE

CONNECTION 3 1. THE EARTHING IS DIAGRAMATIC ONLY. ACTUAL EQUIPMENT AND STRUCTURE MAY VARY.

45B 2 HOLE LUG EARTH - DOUBLE

CONNECTION 2 2. PED SADDLE ONLY REQUIRED IF CT IS NOT ADJACENT TO CB STRUCTURE.

52B CUBICLE I MARSHALLING BOX 1 CONNECTION


REMOVABLE..___ LINK -....,

I PED SADDLE-...._ ,1-

!SEE NOTE 2.1 ~


GROUND LEVEL

STRUCTURE-...._ EARTH TAIL ""

EARTH GRID

.. I

r'

1

DDF TERMINAL

~MAIN TANK EARTH .' ATTACHMENT POINT

CT MARSHALLING BOX EARTH

I ~STRUCTURE EARTH .' ATTACHMENT POINT


ASSY

SCHEMA TIC

l

40B

II I I I I

rr ~ /ASSY 45A

1 .

;3 ( f:._ ASSY 44A

~ IV ASSY 52B

ASSY 52A ' VASSY 44A ISEE NOTE 2.1-----.

ASSY 45B ._ i---ASSY 45B

I . • . . lJ: . 'fj. .. .. ..

///~"-"' .. ,.. ....

////>.."-"-" . .. .

SIDE VIEW

'

ASSY

I 4

40B

I 5 I

---------------------------------~~;s~-~~

ASSY 43~A~-...._~~l 0 0

0.: ULJ~;:0~ASSY 45B

-......_ASSY 43A

ASSY 45B

ASSY 40B '-.....

-----------~------------------------------· SECTION

IT I I

IT I I

IT I I

~ ASSY 45A ~ ASSY 45A ASSY 45A~ ~ ~

fjj

I fA\ v

ASSY 52B

I' li! /ASSY

\ ' '\ 'I X'ASSY 42A \ ASSY 42A '\ ,--- ~

t:J

.....-ASSY 42A "::V---..:""'--P-'1_..... ASS Y 4 4 A

44A 1

v

ASSY 45B-: I

AI~ /: x._ASSY 43A

FRONT VIEW CURRENT TRANSFORMER EARTHING ASSEMBLY

~ I

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ERGONENERG~~~~~AciiONSTANDARD EESS-10031-10 R; i CURRENT TRANSFORMER i

EARTHINGASSEMBLY 1-. NTS =. 11 s " 4 1 5 I •

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MATERIAL

ASSY DESCRIPTION QTY 40B EARTH GRID I RISER CONNECTION 3

42A COVERED GNIYE STRANDED COPPER TEE 2

43A FIXING EARTH RISER TO CONCRETE 3

44A FIXING COVERED GNIYE STRANDED AS REO COPPER TO STEEL




CVT SECONDARY BOX VT NEUTRAL(S)

MAIN TANK EARTH" ATTACHMENT POINT -.....,

CVT MARSHALLING

BOX EARTH

/NEUTRAL / EARTH TAIL

1_, _.....-PED SADDLE !/" !SEE NOTE ll

....

5

4

1

STRUCTURE EARTH" ATTACHMENT POINT -.....,


GROUND LEVEL

STRUCTURE-....._ EARTH TAIL ""

EARTH GRID


SCHEMA TIC

(I I 3

LEGEND



NOTES:

I


2. VT NEUTRAL CONNECTION TO BE DIRECTLY BONDED TO EARTH GRID.

3. PED SADDLE AT LINE SIDE IF CVT INSTALLED AT THE LINE SIDE OF FEEDER ISOLATOR. !NOT REQUIRED IF INSTALLED BETWEEN ISOLATOR & CBICTL

4. ASSY 52B NOT REQUIRED IF INTERNAL CONNECTION ALREADY MADE.

52B

42A

II:J ASSY 52B r - i!l

ASSY 53------r f--::;,. ASSY 44A !SEE NOTE ll V

ASSY 45B ---1: _ ~ ASSY 45B

I . • . . lJ: . 'fj. ..

l .. . . ' ///~'-"'

.. ,.. .. • ////>..'-'-" . .. . ASSY 40B ASSY

SIDE VIEW

I 4 I 5 I 6

-------------------------------~~~;;~~;--

ASSY 43A"-.... R R

_IKssy'\~· ;ASS' /AS~_ ~ss~-.. (~s~r 1\ 52B 45B 52B 1 45B )( 52B 1 I ·'... •'>- ./· "'- ./· J · c· ················ ·J · L ••••••••••••••••••• •• • l

___ A_::~ -4~~ ~ ____________________ ~ ~s_s~ _ ~o~

SECTION

' ASSY 52B I ASSY 52B II !SEE NOTE 41 !SEE NOTE 41 II

\... vAS S Y 4 5 B \ uT---------"1"' ASS Y 4 5 B \ f-IT-------"1!"

~F=~,~~~~~~~~==~~~~~~~~ \ASSY 42A ~ 'V\ASSY 42A

f--ASSY 44A

ASSY 52B ~ -,....-...--ASSY 44A

ASSY 45B-:

/ x._ASSY 43A ASSY 43A~ ~

. . . b . • 11 . . .b . . . . . • .I

' ll . . FINISHED SURFACE LEVEL

40B

FRONT VIEW CAPACITOR VOLTAGE TRANSFORMER EARTHING ASSEMBLY

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CAPACITORVOLTAGETRANSFORMER i EARTHINGASSEMBLY 1-. NTS =. 12 s

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MATERIAL


41B OPERA TOR EARTH MAT CONNECTION



AS REO

45A 2 HOLE LUG EARTH CONNECTION - SINGLE





AUX. CONTACTS EARTH ATTACHMENT

POINT

2

2

2

MECH BOX EARTH ATTACHMENT

POINT lAS REQUIRED) DRIVE ROD'-..__

EARTH ATTACHMENT -, ??!EARTH SWITCH

: EARTHING ~ ~ : REFER 911976-13 : : ..

POINT :

-·r" PED SADDLE'-......!"

..P.·-·-

~VPED SADDLE


GROUND LEVEL

STRUCTURE-......._ EARTH TAIL ""

EARTH GRID

... .... I

( I

___ .,._ ....


~OPERATOR EARTH MAT

I _.....-STRUCTURE ~ EARTH TAIL

------·-------------SCHEMA TIC

I 3

LEGEND



I

-·-·-·-·- FLAT COPPER EARTH STRAP

-··-··-··-··- EARTH BRAID

NOTES:

1. THE EARTHING IS DIAGRAMA TIC ONLY. ACTUAL EQUIPMENT AND STRUCTURE MAY VARY.

ASSY 53-----l

/

ASSY 40B

. . . ~

1

i--ASSY 53

• • •V///A'-'-'-1 : . : ~~- J

SIDE VIEW

ASS~\ 40B \

I 4 I

~

lt fA\

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¥

r:l "'t

5 I 6

.~

..... I '

I~ ~ I

-

~ASSY 52B r--ASSY 53

ASSY 43A r--ASSY 45B

b.,

FRONT VIEW ISOLATOR EARTHING ASSEMBLY

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$~ ERGON ENERGY ~-~--~~-----------------~----------r-------~------------------r--------------~0 i

t ~~ REFERENCE DRAWINGS REVISION CONTROL ~~

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w m ~ z .. ~0 MGREEN 17108/2011 (/) ~ ,.

<~.:~ce::E: -"' .. Chocksd """' ~:; ~ ~~ 0

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Appro""" ""'" ~ ~ !< ..... ~..~..~ LLI-u...cc C •-VI

0 00 QLU~a::VlCo KELKINS 1310312012 ~~J:,:d~::::~-

Bus. Rsq. Approved Dalo <( c(LUI"'-Lo.IC..ZLU ~.o.~O.O.tn::E;LU-1

0 c:::::J:=tnc:::E:o ..... tno.< ..... cC:I:

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~ CORPORATION LTD ABNSOC87"'062

ERGON ENERGY SUBSTATION STANDARD EARTHING ISOLATOR

EARTHING ASSEMBLY 4 I 5

Dnlwlng SIBtus F-ASBUILT

IConb&ct/ Quote No.

Revision

EESS-10031-12 OA 1-. NTS =. 13

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MATERIAL LEGEND

ASSY DESCRIPTION QTY LINE STYLE DESCRIPTION 40B EARTH GRID I RISER CONNECTION 3

41B OPERA TOR EARTH MAT CONNECTION 1

--------- EARTH GRID CONDUCTOR


42A COVERED GNIYE STRANDED COPPER TEE 2 -·-·-·-·- FLAT COPPER EARTH STRAP


44A FIXING COVERED GNIYE STRANDED AS REQ COPPER TO STEEL

_,_,_,_,_ EARTH BRAID

NOTES: 45A 2 HOLE LUG EARTH CONNECTION 1

- SINGLE

45B 2 HOLE LUG EARTH CONNECTION 6 - DOUBLE


45D 1 HOLE LUG EARTH CONNECTION 1 - DOUBLE

52B CUBICLE I MARSHALLING BOX 1 CONNECTION


t• EARTH SWITCH t•

BLADES

ISOLA TOR EARTHING~ REFER 9117976-12 •

2

i AUX. CONTACTS EARTH ATTACHMENT POINT MECH BOX EARTH ATTACHMENT POINT (AS REQUIRED) DRIVE ROD

• 1-o EARTH ATTACHMENT _.T .. r-e-·

SADDLE'-......!" ·v PED

POINT ASSY

PED SADDLE

... ....

.

I ,. ASSY 53---I


GROUND LEVEL

STRUCTURE, EARTH TAIL ""

EARTH GRID

I

___ .__ ....

TRUCTURE EARTH ATTACHMENT POINT

~OPERATOR EARTH MAT

I ........-STRUCTURE ~ EARTH TAIL

------·-------------SCHEMA TIC

(STRUCTURE EARTHING INCLUDED FOR INDEPENDENT EARTH SWITCH!

/

ASSY 40B

o . . '*

,.,..

. " .

SIDE VIEW (ISOLATOR OMITTED)

.

..-ASSY 44A

ASS~\ 40B \

I 4 I 5 I

~

{A\ ' i ;-

¥1 ....D t:9

ASSY 45BI ASSY 45BI \ASSY 42A

ASSY 52B

ASSY 43A

FRONT VIEW EARTH SWITCH EARTHING ASSEMBLY

6

' ;-

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\ASSY 42A

~ASSY 44A

r--ASSY 53

r--ASSY 45B

b.,

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REVISION CONTROL

~ ~ ~ !i olJ ~~ ~ CORPORATION LTD ABNSOD87846062 ~ 8:~ J -t!)q ~ <~.:~ce::E: l

~ :; ~ :o: g; ~ 3 "'!i ERGON ENERGY SUBSTATION STANDARD Re._, l u ~ ~~ci~~~: EARTHING EESS-1 0031-13 OA i ~ iQ .h iii!~~ EARTH SWITCH ' < c(w~w~Zw ~

o 5~~~8~§1 EARTHING ASSEMBLY Scalo NTS =. 14 ~


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43A

45A

FIXING EARTH RISER TO CONCRETE

2 HOLE LUG EARTH CONNECTION - SINGLE

2

QTY 2

2

2



GROUND LEVEL

STRUCTURE-....._ EARTH TAIL ""

EARTH GRID


SCHEMA TIC

I (I I 3

LEGEND



NOTES:

I


2. FOR INDIVIDUAL SUPPORT ONLY ONE EARTH CONNECTION IS REQUIRED.

I I

ASSY 45A~ :r---ASSY 45A

I

I

ASSY 40B ASSY 40B

SIDE VIEW

4 I 5 I 6

--~~;;~~;~-------------------------------

n==~r-/~ .A1

SS Y 4 3A

ASSY 4SA-il-~t'l· r.v. SEE NOTE 2.

0 ~·--=f~IIASSY 45A

ASSY 43A/

I _/ASSY 40B

---------------------------------~--------SECTION

(A\IL_ __ ~~~------------~~----~1

I 1--ASSY 45A

I I .\ ASSY 43AX 1\

FRONT VIEW BUS SUPPORT EARTHING ASSEMBLY

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ERGONENERG~~~~~AciiONSTANDARD EESS-10031-15 R; i BUS SUPPORT i

EARTHINGASSEMBLY 1-. NTS =. 16 s "


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MATERIAL


42A COVERED GN/YE STRANDED COPPER TEE 2


44A FIXING COVERED GN/YE STRANDED 7 COPPER TO STEEL

45A 2 HOLE LUG EARTH CONNECTION 3 - SINGLE

45B 2 HOLE LUG EARTH CONNECTION 2 - DOUBLE

53 COPPER PED SADDLE 2

POTHEAD

T r -, ATTACHMENT

SURGE ARRESTER, : : TEST CONNECTION "-e+ --.

REFER 911976-17 I ! PED SADDLE r "': /PED SADDLE

!ALTERNATIVE LOCATION!~ V !AT LINE SlOE ONLY]


GROUND LEVEL

STRUCTURE'-EARTH TAIL ""

EARTH GRIO

I I"

. ' I . .--OR----j I STRUCTURE EARTH

ATTACHMENT POINT


SCHEMA TIC

I

POINT

I

LEGEND

LINE STYLE

NOTES:

( 3

DESCRIPTION EARTH GRID CONDUCTOR


I

FLAT COPPER EARTH STRAP


2.FOR SURGE DIVERTER EARTHING ASSEMBLY REFER TO DRAWING 911976-17.

ASSY 45A ~ I I

c;:]

c;:]

'

ASSY 53, . IAL TERNA TIVE LOCA TIONJ -....;-

f- ASSY 53 !AT LINE SlOE ONL Yl

1 ASSY 45B ~ ASSY 45B

:V

I

I 4 I 5 I 6

------ ----?- ------------------------------. ASSY 40B/

/ASSY 43A

. . . • /ASSY /AS~~y·: •

.. . . .. . . . . 1"/l 'l'\"1

. • 42A 1•/fl'\•1 42A -----i I • • • f • f • I

o"\.oVol o"J.21./ o

0 \ASSY 0 '"",~ ASSY/ 0 45A 45A 45A

II II II issY 43A II II

--------------------------------~~=:~~~~SEC!ION CB

/'7'-,. ASSY 454.1.\..l\L__/':-... f A \ '1._-:-) ;ASSY 45A --s::--1J /ASSY 45A \Li:--1J

y [1\ ~IL __ J"=;r~-\--\----::-,-----'-\J I

\ASSY 44A

-

f. I .-\

~

IL \ L \ J /tJ \ASSY

42A

ASSY 43A~

\ASSY 42A

I .....-ASSY ~ 44A

I ...... ASSY 53 ~I-' !AT LINE SlOE ONLYI

! vASSY 45B

'

ASSY 43A

ASSY 43A • . • I . "' . A . . A . . .. . "' . Cll FINISHED

6 · · 6 · b . · • • · ,. · ,. • "' ,. · • I SURFACE LEVEL ,. . • ,. ~ '~ • .•. • I> -~ • b . I> ' : I> : I> .... b .... I> :"' •• t> :"'. : I>

.. • . • • • .·////>..'-'':'oT~ ~A ·.;A . . :•A. :•A. ;A. ;A. •A; •A . :",(/~lfou~cii_EVEL

~ L__ __ A_s~~ _ ~~ ~ ____________________ V ~s_:~ _ ~o~ _

'-..._ASSY 40B ASSY 40B/ SIDE VIEW FRONT VIEW

CABLE POTHEAD EARTHING ASSEMBLY

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REVISION CONTROL

~ ~ ~ !i olJ ~~ ~ CORPORATION LTD ABNSOD87846062 ~ I 8:~ J -t!)q ~ <~.:~ce::E: l

~ :; ~ :o: g; ~ 3 "'!i ERGON ENERGY SUBSTATION STANDARD Re._, l u ~ ~~,.~~~: EARTHING EESS-1 0031-16 OA i ~IQ.hili!~~ CABLEPOTHEAD ' < c(w~w~Zw ~

o 5~~~8~§1 EARTHINGASSEMBLY 1-. NTS =. 17 ~

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T"""

I MATERIAL LEGEND T""" ("'') ASSY DESCRIPTION QTY LINE STYLE DESCRIPTION 0 0 45C 1 HOLE LUG EARTH CONNECTION 3 --------- EARTH GRID CONDUCTOR

T""" - SINGLE EARTH RISER CONDUCTOR

I A 55 A SURGE ARRESTER TEST CONNECTION 1 A en -·-·-·-·- FLAT COPPER EARTH STRAP

'"1i 55'1: ~)"" en ASSY

,W~:I ~SY 45C

w NOTES: ASSY w : • :1 1. THE EARTHING IS DIAGRAMA TIC ONLY. ACTUAL

EQUIPMENT AND STRUCTURE MAY VARY.

- TOP VIEW f-

! ~ ~ : 8 8

ASSY 45A~ ~ -= . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .............

f.- 1- 1------1----'

SURGE ARRESTER

T ~ -r ATTACHMENT POINT

c c

. ...... I ASSY

55A"' ~ ASSY 55A . '----I ~TRANSFORMER OR I STRUCTURE EARTH ;

I ' ATTACHMENT POINT I 0

I TO BE JOINED TO TRANSFORMER'-...j 0 GROUND LEVEL I OR ASSOCIATED STRUCTURE ~ f.- VSTRUCTURE I EARTH CONNECTION POINT. I 1- i

EARTH TAIL • L FINISHED SURFACE LEVEL i

EARTH GRID ! ----------------- ----------- t SIDE VIEW FRONT VIEW SCHEMA TIC SURGE ARRESTER EARTHING ASSEMBLY I

I l •

D D !. REFERENCE DRAWINGS REVISION CONTROL df&I!J ERGON ENERGY Dnlwlng SIBtus F-ASBUILT l w ::

~ <1 Drawn Date t :::> 0 0

~ 1 Contract/ • w m ~ z ~ M GREEN 18108/2011 ~ CORPORATION LTD ABNso087"'"' Quote No. • (/) ~ ,. ~

-"' ' .. "' Chocksd - Revision l ~:; ~ "' .. ERGON ENERGY SUBSTATION STANDARD :0:0 " DCHENG 12/0312012 EESS-10031-17 i a .. w 0

OA "'0 ~ Appro""" ""'" EARTHING ~ ~ !< ~~ ~

' c8t:..z KELKINS 1310312012 0 00 ~"'I SURGE ARRESTER i ~ffi;e>- Bus. Rsq. Approved Dais <( ~.o.~a.O.In EARTHING ASSEMBLY 1-. NTS =. 18 i 0 c:::::J:=tn ..... Vlo.<

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MATERIAL

ASSY DESCRIPTION QTY 40B EARTH GRID I RISER CONNECTION

43B FIXING EARTH RISER TO CONCRETE - MECHANICAL PROTECTION


49B CONCRETE POLE FERRULE EARTH CONNECTION

LEGEND

LINE STYLE DESCRIPTION

--------- EARTH GRID CONDUCTOR


NOTES:


SUBSTATION OHEW LINE OPGW

~~ CONCRETE POLE FERRULE

CONCRETE POLE"' ! REINFORCING """'1

GROUND LEVEL

EARTH GRID

I I ~CONCRETE POLE

.,- FERRULE

I /STRUCTURE I" EARTH TAIL

SCHEMA TIC

1

1

1

2

I I

SUBSTATION OHEW

I 3 I 4

" fd v LINE OPGW ASSY 45C

ASSY 49B_....

B

DOWNLEAD CUSHION

TERMINATION BOX

1--4. I~ CABLE COIL BRACKET

I

""""l' ;~-: .• ,~ .. : .• ·,J//-'"" I

ASSY 40B

SIDE VIEW

I 5 I

ASSY 45C

ASSY 49B~ 7 DOWNLEAD CUSHION

,......__

- 11-1-

\ I ' I ) \ 1/

~

v

CONDUIT'-.....

LANDING SPAN"'-..,

v-~-v

TERMINATION BOX

CABLE COIL BRACKET

1/" ASSY 49B

ASSY 43B FINISHED SURFACE LEVEL

. . . . ""[ ////'-"~_' ·.~_: _' ~-: _' ·--:r//-'"" GROUND LEVEL o I· ._._ ". ·" "' . ----------------------

FRONT VIEW CONCRETE POLE EARTHING ASSEMBLY

6

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A

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ERGON ENERG~~~~~AciiON STANDARD EESS-1 0031-21 R; i CONCRETE POLE i

EARTHINGASSEMBLY 1-. NTS =. 22 s "

Dr.own """' MGREEN 18108/2011 Chocksd """' DCHENG 1210312012 Appro""" ""'" KELKINS 1310312012 Bus. Rsq. Approved Dalo

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UNCONTROLLED COPY

I I I N 1 I 2 I 3 I 4 I 5 I 6

N I MATERIAL LEGEND

T""" I ("'') ASSY DESCRIPTION QTY LINE STYLE DESCRIPTION I

0 I I 0 40B EARTH GRID I RISER CONNECTION 1 --------- EARTH GRID CONDUCTOR I

T""" RISER CONDUCTOR I

41A EARTH ROD CONNECTION 2 EARTH : ASSY ~ ~ I

A ASSY 40B A en 43B FIXING EARTH RISER TO CONCRETE 1 45A 1\. G en - MECHANICAL PROTECTION

NOTES: ASSY 41A :ASSY/~ ":!) w 45A 2 HOLE LUG EARTH CONNECTION 1

w - SINGLE 1. THE EARTHING IS DIAGRAMATIC ONLY. ACTUAL I 43B = EQUIPMENT AND STRUCTURE MAY VARY. I

I

2. A DOWN CONDUCTOR CONNECTING THE AIR TERMINAL & I I

STRUCTURE EARTH ATTACHMENT POINTIS REQUIRED IF - THE REBAR OF THE CONCRETE POLE IS NOT RATED FOR f-

THIS A PLICATION OR IF POLE IS NON-MET ALIC. TOP VIEW

B ' B

~AIR TERMINAL !LIGHTNING SPIREI

I I I !SEE NOTE 2.1

f.- I 1- 1-----1----'

I I

!SEE NOTE 2.1 !---ASSY 45A ASSY 45A~ v ~ I ASSY 43B ASSY 43B _)

I . : ~ ro .• • ----p . I>

FINISHED SURFACE LEVEL . I

~~ 'A .. 'A

////>.."'-"'-' : .. ll .. ' • :·.- .. ///~"'-"" . . . . . V//~""" GROUND LEVEL

I . . . c . . .

g / t> ' • t> ' • c . .

• : ·~: • • : .. /:!, .. ~STRUCTURE EARTH ASSY 40B ~· ., ~

ATTACHMENT POINT .. . .. . .. . . . ------ . . . "....-' .

ASSY 41A~ t> • • t> • •

GROUND LEVEL . ... . .. ASSY 41A· . . .. • • fl. . • ' fl.

. ll' • . ll' • . . . .

VSTRUCTURE . . . . • • • ; EARTH TAIL . . 0 . . ' -~ . I 0 . A .. .. 0 "A

I ~ . . . .

~A!!_l,!! _!!R..!.D _______ "'t..:.... t- . . . ... . . . V.· v • • •

f.- .. :_.., /

.. . 1- i VGROUND ROD ._:.A· "A .. . . .. • ... i !

SCHEMA TIC SIDE VIEW FRONT VIEW t I

LIGHTNING MAST EARTHING ASSEMBLY I l •

D D !. z REFERENCE DRAWINGS REVISION CONTROL df&I!J ERGON ENERGY Dnlwlng SIBtus F-ASBUILT l w :: 0

t 1.::;1 8..:():: Drawn Date :::> 0 0 z "' ~ ~ CORPORATION LTD ABNSOC87"'062 ~ 1 Contract/ • w m i - "':.: M GREEN 18108/2011 Quote No. • (/) ~ ): ~oce ' -"' .. ~~ Chocksd - Revision l ~:; ~ 0::: :~:u...O ERGON ENERGY SUBSTATION STANDARD :EO 0 t- DCHENG 12/0312012 EESS-1 0031-22 i a .. w o uO

OA 0:::0 ~~ Appro""" ""'" EARTHING ~ ~ !< ..... ~ ·<zo •

' 0 00 8~7~~J:g KELKINS 1310312012 LIGHTNING MAST i ~ffi;e>-'"'~~ Bus. Rsq. Approved Dais <( ~.o.~a.o-~n~.:~z--' EARTHING ASSEMBLY 1-. NTS =. 23 i 0 a:::~:=t.n::.-o ..... Vlo.CI:...JVl:I:

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UNCONTROLLED COPY

I I I ('I) 1 I 2 I 3 I 4 I 5 I 6

N I MATERIAL LEGEND

T""" I ('I) ASSY DESCRIPTION QTY LINE STYLE DESCRIPTION I

0 I I 0 40B EARTH GRID I RISER CONNECTION 1 --------- EARTH GRID CONDUCTOR I

T""" EARTH RISER CONDUCTOR I 43A FIXING EARTH RISER TO CONCRETE 1 I I A ASSY 40B I A en 45C 1 HOLE LUG EARTH CONNECTION 1

l~ en - SINGLE NOTES: I

:ASSY/ w \ w 1. THE EARTHING IS DIAGRAMATIC ONLY. ACTUAL I 43A ASSY 45C EQUIPMENT AND STRUCTURE MAY VARY. I I I I

-

CB f-

SECTION -

~

8 u 8 ~

1------f.- 1- 1----'

fA\ y '

c c

STRUCTURE EARTH ASSY 43A, ASSY 45C ASSY 45C"'

ATTACHMENT POINT ;

' I ~- • ..

. :"A.:. :"A·~SURFACE~ I . GROUND LEVEL . . . ..

. ~ • . ~- V/ /-<"' GROUND LEVEL f.- VSTRUCTURE ////>.."'-"'-' . A .. . V//~"'-"'-'-

~~ 1- i

EARTH TAIL :; • A_s:~-4~~~- --------

"" i EARTH GRID ! -------------- -------------- t

SCHEMA TIC SIDE VIEW FRONT VIEW I SWITCHYARD LIGHT EARTHING ASSEMBLY I

l • D D !.

REFERENCE DRAWINGS REVISION CONTROL df&I!J ERGON ENERGY Dnlwlng SIBtus F-ASBUILT l w :: ~ Drawn Date t :::> 0 0 z ..; ~ CORPORATION LTD ABNSOC87"'062 ~ 1 Contract/ •

w m i M GREEN 18108/2011 Quote No. • (/) ~ ,. ~

' -"' .. ~

Chocksd - Revision l ~:; ~ "' "' ERGON ENERGY SUBSTATION STANDARD :0:0 .. DCHENG 12/0312012 EESS-10031-23 i a .. w ~c ):: Appro""" ""'" EARTHING OA ~ ~ !< "-~,.,;~ ' 0 00 8~7-.t KELKINS 1310312012 SWITCHYARD LIGHT i ~ffi;e>- Bus. Rsq. Approved Dais <( ~.o.~a.O.In EARTHING ASSEMBLY 1-. NTS =. 24 i 0 c:::::J:=tn

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" 1 I 2 I 3 I 4 I 5 I • I u EESS-111031-mA.DGN I ~~m~~- ~EJ ~ ~ NOTESANDCI'iLOUTBNIEWaJ.NElREIJ. CAD uSTN A3 420x297

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MATERIAL

ASSY DESCRIPTION 40A EARTH GRID CONNECTION

40B EARTH GRID I RISER CONNECTION


SSB TRENCH COVER CONNECTION

LEGEND

LINE STYLE DESCRIPTION EARTH GRID CONDUCTOR


COVER EARTH CONDUCTOR

I I

I 2

QTY AS REQ

AS REQ

AS REQ

AS REQ

(I I I 3 I 4

I I ,------------------..,. I , '

I \ I 1 I I I I I I I I I ........................... I

I I I I I I I I

ASS~~ : -----, :LASSY 40":__,~ I ==:] 1 40A

ASS~-:O-B_..}7 J =vASSY =:J .._/\ ----: : ASSY m-......_ : =:J/ \ASSY

~ : ""1~ _/ 40B j \.:Y

I I

TOP VIEW CABLE PIT EARTHING ASSEMBLY

!COVER OMMITTED FOR CLARITY!

I 5 I 6

COVER

FINISHED SURFACE LEVEL

J ,. "· I

////>.."-."-.'-: '\ 1

/ ~~///A'-"-."-."-. GROUND LEVEL o SY ASSY SSB ~ OA ~ . • ASSY SSB •. ASSY 40A

·---~~--- ~! "'-- -Ass·nTB7"'"' .... ___ .......-;:::::: ----AssY . • \ ASSY 43B •. ASSY 40B

40B · ' I" . '---+·~ ~~-~~

sEALED I L..: L,..,.:.-..:. --=---=-·-=-:.·-:::: .. -::_.-:::_· ~.:_·-..:.·~-~-~-..J~E ALE D CONDUIT CONDUIT

SECTION

A

f-

8

~~~~~~~~---~~------1 I t I

I

lr------1~ A::~~~~~----(S.~~~;~~:------1 I

---~-1 ---L~::_Y_~~A--ASSY I I

40A 1

I I

c

ASSY· 40A

: I I I I I

I : I I I I

................................. 40B "SASSY 40B ]_ ASSY 40BY. I ~'4

1 ASSY ~SB/ : AS!} 40B/

-~ I I / :I ---...._ ASSY ISSB ASSY I AS~Y SSB .-- 1

t-- ASSY 40A

~~ ~A~SY SSB SSB : .LASSY ASSY ~SB\ J : \ ASSY 40B ASSY 40A ASSY 40B ~ \, 1

: , .., ........ -~-7.7.7.7.7.7.7.7. 7. -:-.-:- ~---~--~7 -~7~.7~.7~.7~.7~.7~-~--~--~--~-:-~. ~~~-~~QB...~:-:~. ~---~--~-7~-7~- ~--~7 -~7~.7~.7~.7~.7~--~---~---~--~--~:-~---~---~---3· ~E.~--~--~--~--~-.. ~ ·@J

ASSY

I

40A~ I

ASSY

I

40A~ I

TOP VIEW CABLE TRENCH EARTHING ASSEMBLY

!COVER OMMITTED FOR CLARITY)

I I I I

ASSY 40A~ I -

COVER

l> FINISHED SURFA(E LEVEL

[

1 ~ > ,/ ~V//A'-"-."-."-. GROUND LEVE:

~ ------;""l > A~~~ > ~~SY 40A

ASSY 40A/ i j i-10ASSY 40A I I I I I ASSY I ~ ,

i • · 43

B· • ~N:E:Lm , I CONDUIT , __________ ------ ____ .,

SECTION

c

;

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i !

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1-_ ___:.:R::::EF..::E::.:RE::::N::::C:::E..:::D:.::RA~W.:..:IN:.:_:G::::S:..__-f-;;:':R=::=EVc::I::::SI..:::O:.:.N::::CO:::N.:..:T.:.:RO;;::L::----~ ~ ERGO N ENERGY Om-·- F-AS BUILT ~.-Drawn Date (!§.~~ I ' MGREEN 18108/2011 -- CORPORATION LTD ABNSOC87"'062 ~ ~r:Rt. •

' l i ' I "

Chocksd - ERGON ENERGY SUBSTATION STANDARD DCHENG 12103/2012 Appro-' ""'" EARTHING KELKINS 13103/2012

CABLE PI & CABLE TRENCH Bus. Rsq. Approved Dais

EARTHING ASSEMBLY I 2 I 3 I 4 I 5

Revision

EESS-10031-24 OA 1-. NTS =. 25

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UNCONTROLLED COPY

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MATERIAL


41A EARTH ROD CONNECTION

44A FIXING COVERED GIY STRANDED COPPER TO STEEL

45A 2 HOLE LUG EARTH CONNECTION - SINGLE


56 A FENCE I GATE CONNECTION

56B FENCE BARBED WIRE CONNECTION

LEGEND

LINE STYLE DESCRIPTION EARTH GRID CONDUCTOR


EARTH RISER BRAID

I 2 I

QTY ,8 ~ ~

2

AS REQ I FENCE I AS REa

AS REQ

~SA\

6

3

AS REQ

NOTES: OUTSIDE INSIDE

SUBSTATION YARD SUBSTATION YARD

1. GRADIENT RING AROUND SUBSTATION TO EXTEND 1000mm BEYOND SUBSTATION FENCE. REFER EESS-10031-05.

2. GATE GRADIENT RING TO EXTEND 1000mm BEYOND MAXIMUM REACH OF GATE IF OPENING OUTWARDS.

3. FENCE BARBED WIRE CONNECTIONS REQUIRED WHERE POSTS ARE NON-METALLIC. CONNECTIONS TO BE PROVIDED AT GATES,AT EACH CORNER,AT APPROX.50M INTERVALS AND AT 1M EITHER SIDE WHERE OVERHEAD HV CONDUCTORS CROSS THE FENCE.

4.INDEPENDENT GATE POSTS TO BE BONDED BELOW GROUND.

5. INDEPENDENT FENCE POSTS TO BE EARTHED WITH EARTH RODS AT EACH CORNER,AT APPROXIMATELY SOM INTERVALS AND WHERE OVERHEAD HV CONDUCTORS CROSS THE FENCE.

1000 ASSY 45A

FINISHED SURFACE LEVEL

•

3

ASSY 45B\ ASSY 56A

I

GRADING~ RING

ASSY 40B

SECTION A

( I I 4 I 5 I 6

~ I l /

~1""1 I"" L~~ VASSY 44A ASSY 44A\

-~~~·, ~" /i 45B lfASSY 45B

ASSY 56A I

. . • • • •

FRONT VIEW FENCE & GATE NOT CONNECTED TO EARTH GRID IlNDE PENDENT!

/A\ "~ ASSY 56B~ .., _.........-ASSY

~--~-+----~ ~--~b-----~ ~~~~-------------------~~ 56B

~ d" [

I !SEE NOTE l.J

I ..8 ~

/ASSY 44A

~1""1 I FENCE I ~

~" ASSY 458\ ASS, ASSY 56A, 45B

FRONT VIEW FENCE & GATE CONNECTED TO EARTH GRID

I•

8

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"' ~: EARTHING -Z ~ .. """' "'"' El !~

oo '

1310312012 FENCE&GATE

<( ~ Bus. Rsq. Approved Da/o

0 ~ EARTHING ASSEMBLY

EESS-10031-25 OA Scalo NTS =. 26

Revision

1 I 2 I 3 I 4 I 5 I • I

u EESS-10031MA.DGN I

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I (I I CD 1 I 2 3 I 4 I 5 I 6

N ~ 100mm TREA TEO PINE PALINGS ~ I

T""" BETWEEN PALINGS ("'') TO EXCEED 10mm

n KOPPER 0 ~ - SOmm DIA NEW STEEL

LOG POST ~

J-~

0 w ~

ANTI-CLIMBING. ~.AI~ I ~ BARBED WIRE TO u

T""" :5 MA HH EXISTING FENCES ~

~ ~ FIX TO NEW POST I REFER DETAIL A POST & BACKSTAY RAIL SAWN A h. /PALING A >- MAX

j A en ~

~ 1\ 45° ON TOP

"' ~ INSULATORS 100mm DIA TREATED 1;1 ~ LFUPPLIED BY en wa CONNECT EXISTING

~ KOPPER LOG POST

Uw CUSTOMER'S FENCE = ERGDN GY2

w i5"' ERGON NEW POST ~ ERGON ~.,

SUBSTATION SUBSTATION oi!i CONNECT EXISTING w z~ FENCE L-= FENCE CUSTOMER'S FENCE -, ~- TD NEW POST ex O.w ~, 3 X 100 X 38 I

0

Ou TREATED PINE RAILS I~ 0

~ I'! ~e

DETAIL A ""' * * - wo

~ ~~ ANTI-CLIMB RAIL r-"'~

- ·-I t

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I ~ f--- POSTS CONRETED INTO I : CONCRETE i:ll I I I t·;, ANCHOR BLOCK

' J_ w. '~LJ ... ~ ~

;;; u u; __;. ,,

1~1 ~ I 8 3000 3000 I 8

NOTES: TYPE A 1. FIX PINE RAILS TO KOPPERS LOG POSTS WITH 10mm TYPE (

SIMILAR FENCE PANEL HEIGHT DIA GAL VANISED CUP HEAD BOLTS & WASHER. RURAL - FOR USE AT RURAL PROPERTIES

2. FIX PALINGS TO RAILS WITH 45 x 4 SCREWS AS ~ 100mm TREA TEO PINE PALINGS ~ RECOMMENDED BY MANUFACTURER.

GAP BETWEEN PALINGS r----- ~ NOT TO EXCEED 10mm r-

~

~ ~ ~ f--/

~ ~ ~ ~ z

~CHAIN MESH FENCE PANEL w ~ ~

~ ~

>-~

~ ~ ~ ~ 1;1

- 50mm DIA NEW STEEL " Wu uw ANTI-CLIMBING RAIL POST & BACKSTAY i5"' ERGDN

REFER DETAIL A ERG ON ~., SUBSTATION

~ SUBSTATION CUSTOMER

oi!i FENCE - FENCE FENCE z~

:i~ c ex CONNECT EXISTING ~" "'"'"' ""'"'"< c

O.w ~, 3 x100 x 38 ~ CUSTOMER'S FENCE INSULATOR INSULATOR Ou TREA TEO PINE RAILS TO NEW POST ~

~e

""' * ~ wo X

* ~ ® "'~ m ~ ~ '---- ;

~~j I ~~f: I t .. · .. · r ·:~· 1 ' I *' ll·;:i -~-~~-~~-~ :;i I IF I .. ~:

i,J I :;f: I f--- POSTS CDNRETED INTO 600mm- I I:;: I I'·' CONCRETE

ilJI I f.,:: - ... :l'~· ANCHOR BLOCK r-j ·u lJ U'· U:'·'· u-;, • ''Ll I ~ ~ f ~ ~ i ~ T T !

3000 3000 t TYPE B TYPE D I

DISSIMILAR FENCE PANEL HEIGHT CHAIN MESH FENCE PANEL I l •

D D !.

$~ ERGON ENERGY REFERENCE DRAWINGS REVISION CONTROL Dnlwlng SIBtus F·ASBUILT l w :: t " 0 0 ~ Dr.own """' ~ Conb&ct/

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NOTE ALL HOLES MADE INTO STEEL WORK ARE REQUIRED TO BE PAINTED BY AN ETCHING PAINT IN ORDER TO PROTECT THE STEEL; FROM CORROSION.

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SUGGESTED MOUNTING

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NOTES 1. DIMENSIONS ARE A RECOMMENDED MINIMUM.

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MATERIAL REFER TO MATERIALS LIST !911976-031 AND MATERIALS LIST !911976-041 FOR MATERIAL TYPE, QUANTITIES AND STOCK CODES. FULL DESIGN FAULT CURRENT SHOULD BE USED WHEN DETERMINING FLAT COPPER STRAP SIZE. REFER CURRENT RATING TABLE !911976-021.

NOTES 1. FLAT COPPER STRAP SURFACES THAT ARE IN CONTACT WITH GALANISED SURFACES MUST BE TINNED.

2. ALL HOLES MADE INTO STEEL WORK ARE REQUIRED TO BE PAINTED BY AN ETCHING PAINT IN ORDER TO PROTECT THE STEEL FROM CORROSION.

ASSEMBLY 53

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ASSEMBLY SSA SURGE DIVERTERS TEST CONNECTION

FLAT COPPER STRAP

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SURGE ARRESTER TEST CONNECTION TRENCH COVER CONNECTION

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Conb&ct/ Quote No.

EESS-1 0031-55 ScaJo NTS

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Revision

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