OVERHEAD SUB-TRANSMISSION CONSTRUCTION MANUAL EARTHING · overhead sub-transmission construction...

OVERHEAD SUB-TRANSMISSIONCONSTRUCTION MANUAL

EARTHING

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Ergon Energy Document Revision ListProject :‐ Sub‐Transmission Construction ManualElectronic ‐ Website Version

Date of Issue

Day 2 22 4 18 28 10 16 Day 2 22 4 18 28 10 16

Month 7 8 11 11 5 12 8 Month 7 8 11 11 5 12 8

Year 13 13 13 13 15 15 17 Year 13 13 13 13 15 15 17

Section Title / Drawing Number Current Published Section Title / Drawing Number Current

Published

Section 10 – Earthing Ver 5 (891.5 KB) 16-Aug-17 1 2 ‐ ‐ 3 4 5

5‐10‐1‐1 0A 0A 0A 0A 0A5‐10‐2‐1 0A 0A 0A 0A 0A5‐10‐2‐2 0A 0A 0A 0B 0B5‐10‐3‐1 0A 0B 0C 0C 0C5‐10‐4‐1 0A 0A 0B 0B 0B5‐10‐5‐1 0A 0A 0B 0B 0B5‐10‐6‐1 0A 0A 0B 0B 0B5‐10‐6‐2 0A

Issued Document Revision Number:

Section 10 ‐ Earthing Ver 5

Issued Document Revision Number:

New Drawing

OVERHEAD SUB-TRANSMISSION

0A5

1-1SUPERSEDES:

HARD COPYUNCONTROLLED

Ergon Energy Corporation Ltd

ABN 50 087 646 062

Approved

Date

Checked

Drawn

VOLUME FOLDER ISSUE

DRAWING NUMBER:

PAGE

C NOEL

P DE SOUSA ROQUE

14/02/2013

DESCRIPTIONCONSTRUCTION DESCRIPTION

T BORG

DWG No.CONSTRUCTION DWG No.

5-10-2-1

5-10-3-1

5-10-4-1

5-10-6-1

5-10-1-110

5-10-2-2

5-10-5-1ECEDDSC/EADD

ECEGR00

ECEPCSC/XC

ECECP00

Earthing Construction Codes

Additional Earthing Codes

Grading Arrangement - Concrete Pole

Driver Rod Earthing Arrangement - Concrete Pole

Deep Drilled Earthing

Counterpoise Earthing

EARTHING

INDEX

SUPERSEDES:



ABN 50 087 646 062

Approved

Date

Checked

Drawn

VOLUME FOLDER ISSUE

DRAWING NUMBER:

PAGE


0AL BURTON 5 2-1

CONSTRUCTION CODE GUIDE

10

EARTHING

E G R S CE C

construction manual

folder in subtransmission

Concrete pole earthing

0

S

X

D

ROD SPEC

Nil

Standard length

Extended (2 rods)

Deep drilled

0

C

ELECTRODE TYPE

Not applicable

Copper Clad

P

G

C

E

E

E

AE

SUBSIDIARY CONSTRUCTION

D

D

C

E

E

E

SE

OE

DE

RN

FN

C

R

P

B

A

M

T

C

P

D

E

R

Pole Connection : connect earth electrode to concrete pole

Concrete Pole with OHEW : Grading Ring

Concrete Pole with OHEW : Counterpoise

Single Concrete Pole with OHEW : Air-break switch

Double Concrete Pole with OHEW : Air-break switch

Double Concrete Pole with OHEW : Motorised air-break switch

Concrete Pole with OHEW : 66kV Cable termination

Concrete Pole with OHEW : Subsidiary Cable termination

Concrete Pole with OHEW : OPGW cannister

Concrete Pole with no OHEW : Remote locations

Concrete pole with OPGW : Deep Drilled earthing

C

POLE TYPE

Conductive poles (Concrete or steel)

EARTHING - STANDARD CONFIGURATIONS

EARTHING:

Small world object type: Earth

STANDARD CONFIGURATIONS

5-10-2-1

Concrete Pole with Deep Drilled Earthing

C NOEL

P DE SOUSA ROQUE

15/11/2012


0BL BURTON 5 2-2

CONSTRUCTION CODE GUIDE

10

EARTHING

D CE A

0

S

X

D

ROD SPEC

Nil

Standard length

Extended (2 rods)

Deep drilled

C

ELECTRODE TYPE

Copper Cladconstruction manual

in subtransmission

Additional earthing folder

EARTHING - ADDITIONAL EARTHING

ADDITIONAL EARTHING

EARTHING:

Small world object type: Earth

5-10-2-2

SUPERSEDES:

HARD COPYUNCONTROLLED VOLUME FOLDER ISSUE

DRAWING NUMBER:Ergon Energy Corporation Ltd

ABN 50 087 646 062

Approved

Date

Checked

Drawn

PAGE

7/11/2013

P DE SOUSA ROQUE

C NOEL

300

600

ASSY DESCRIPTION

1251-1

SUPERSEDES:



ABN 50 087 646 062

Approved

Date

Checked

Drawn

PAGE


0CL BURTON 5 3-1

QTY

Construction Code

MATERIAL

Grading ring arrangement 1

ECEGR00

Caution tape

700

700

Pole

PoleConc.

CONCRETE POLE

10

Assy 1251-1

5-10-3-1

200 in rock

Depth 600 in soil 200 in rock

Depth 300 in soil

if required

Additional earthing

EARTHING

GRADING ARRANGEMENT

DO NOT CUT

earth conductors to make connection.

before making connection. Bend

liberally coated with electrical grease

wire-brushed clean, and then

3. Copper conductor to be dry

risers shall contain 300 slack.

2. To allow for soil movement all

In Rock - Both - 200mm

Outer - 600mm

In Soil - Inner - 300mm

1. Burial depths

Notes:

SEPARATION FROM COMMUNICATIONS:

refer Standards Section.For separation from other communications assets

- Concrete pole = 1m

- Bare earth cable = 1m

- Earth rod = 1m

jacketed or in plastic conduit:

communications cable plastic sheathed /

Provide the following minimum separation to



- Earth rod = 15m

communications manholes, pillars, pits etc:


4.

& Telstra

agreement between Ergon Energy

Refer power co-ordinator guidelines

earth rod or earth cable:

12.5m from concrete pole, stay anchor,

Minimum separation to gas pipeline

Soil

Soil

28/05/201528/05/2015

R MARGANIR MARGANI

P DE SOUSA ROQUEP DE SOUSA ROQUE

GRADING RING

5m min.

ASSY DESCRIPTION

1252-1

SUPERSEDES:



ABN 50 087 646 062

Approved

Date

Checked

Drawn

PAGE


0BL BURTON 5 4-1

Construction Code

MATERIAL

1

ECEPCSC

Caution tape

CONCRETE POLE

10

ECEPCXC

1252-2

EC

EP

CS

CE

CEP

CX

C

1

5-10-4-1

EARTHING


risers shall contain approximately 300 slack.

To allow for different pole soil movement, all

ensure flat contact surface.

If ferrule is recessed pack out with flat s/s washers as required to

1.

2.

3.

Notes:



- Earth rod = 1m

jacketed or in plastic conduit:

communications cable plastic sheathed /




- Earth rod = 15m

non-insulated metal sheathed cable etc:

communications manholes, pillars, pits,


refer Standards Section.

For separation from other communications assets

4. Refer power co-ordinator guidelines agreement between Ergon Energy & Telstra.




PoleConcrete

rod

driven earth

Assy 1252-1

earthing

additional

Assy 1252-2

Driven Earth Rod

Additional Earthing

earthing. (DO NOT CUT)

electrical grease before making connection. Bend earth conductors for additional

Copper conductor to be dry wire-brushed clean, and then liberally coated with

DRIVEN ROD EARTHING5/09/2014 5/09/2014

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SUPERSEDES:



ABN 50 087 646 062

Approved

Date

Checked

Drawn

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DRAWING NUMBER:

PAGE


0BL BURTON 5

2.

NOTES:

1.Earthing to run in direction of mains.

(Additional)EADD

ASSY DESCRIPTION QTY

1254-7DEEP DRILLED EARTH TESTING:

MATERIAL

1

ASSY DESCRIPTION QTY

1255-1 AR

MATERIAL - ADDITIONAL EARTH

Earth additional - deep drilled

10 5-1

5-10-5-1

Caution tape

DEEP DRILLED EARTHING

ECEDDSC

Construction Code

3.

4.as required to ensure flat contact surface.If ferrule is recessed pack out with flat s/s washers

shall contain approximately 300 slack.To allow for different pole soil movement, all risers

as necessary.tested after 7 days and additional earthing addedcompletion of work on site the installation shall bespecified resistance is not achieved prior tosome days after earthing is installed. WhereSpecified earth resistance may not be achieved for

5.

to make connection. (DO NOT CUT)before making connection. Bend earth conductorsand then liberally coated with electrical greaseCopper conductor to be dry wire-brushed clean,

6.between Ergon Energy & Telstra.Refer power co-ordinator guidelines agreement

Assy 1255-1

Additional deep drilled earthing if required

Assy 1254-7

Deep drilled earthing

Earth (35mm†) to concrete pole - deep drilled

EARTHING CONSTRUCTION



- Concrete pole = 15m- Bare earth cable = 15m- Earth rod = 15mcommunications manholes, pillars, pits etc:Provide the following minimum separation to

- Concrete pole = 1m- Bare earth cable = 1m - Earth rod = 1mor in plastic conduit:communications cable plastic sheathed / jacketedProvide the following minimum separation to




28/05/2015

R MARGANI

P DE SOUSA ROQUE

10000

10000

ASSY DESCRIPTION

1253-1

SUPERSEDES:



ABN 50 087 646 062

Approved

Date

Checked

Drawn

PAGE


0BL BURTON 5 6-1

QTY

Construction Code

MATERIAL

1

ECECP00

Caution tape

Pole

PoleConc.

EARTHING

CONCRETE POLE

10

Assy 1253-1

COUNTERPOISE EARTHING

Counterpoise earthing to concrete pole

LINE DIRECTION

50005000

5000

5000

5-10-6-1

(pipelines, fences, cables ect).

Extend earthing away from metalic services

Additional earthing to stay within the easement.

to unearthed overhead line. 10O elsewhere

5O within 1km of substation or 1km from transition

connected to pole:

with OHEW disconnected and additional earthing

Unless specified otherwise footing resistance



2.

3.

4.

Notes:

in rock - 200

- outer 300

1.

- inner 200

control & grading ring earthing in soil

Burial depths as directed by superintendent gradient

All trenches to be backfilled with original material

- 200 in rock

- 300 in soil unsuitable for cultivation

Counterpoise 750 in soil suitable for cultivation

5.

- Concrete pole = 15m- Bare earth cable = 15m- Earth rod = 15mcommunications manholes, pillars, pits etc:Provide the following minimum separation to

- Concrete pole = 1m- Bare earth cable = 1m - Earth rod = 1mjacketed or in plastic conduit:communications cable plastic sheathed /Provide the following minimum separation to

approximately 300 slack.

To allow for different pole soil movement, all risers shall contain

Bend earth conductors to make connection. (do not cut)

coated with electrical grease before making connection.

Copper conductor to be dry wire-brushed clean, and then liberally

For agricultural areas earthing cable to be run down pole & through 50mm conduit in backfill.

If ferrule is recessed pack out with flat s/s washers as required to ensure flat contact surface.

6. Refer power co-ordinator guidelines agreement between Ergon Energy & Telstra




28/05/201528/05/2015

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ASSY DESCRIPTION

1256-1

SUPERSEDES:



ABN 50 087 646 062

Approved

Date

Checked

Drawn

PAGE


0A5 7-1

QTY

Construction Code

MATERIAL

1

ECEDA00

Caution tape

Pole

PoleConc.

CONCRETE POLE

10

Assy 1256-1

200 in rock

Depth 600 in soil

200 in rock

Depth 300 in soil

if required

Additional earthing

EARTHING

DO NOT CUT

earth conductors to make connection.

before making connection. Bend

liberally coated with electrical grease

wire-brushed clean, and then

3. Copper conductor to be dry

risers shall contain 300 slack.

2. To allow for soil movement all

In Rock - Both - 200mm

Outer - 600mm

In Soil - Inner - 300mm

1. Burial depths

Notes:


4.

& Telstra

agreement between Ergon Energy

Refer power co-ordinator guidelines

Soil

Soil

GRADING ARRANGEMENT - ABS CONSTRUCTION

T BORG

5-10-7-1

Grading ring arrangement - ABS construction

Pole700 700 700 70012001200

700

700

700

700

300

600

pole ferrule.

be earthed via

ABS handle to

PoleConc.

stay anchor, earth rod or earth cable:

Minimum separation to gas pipeline 12.5m from concrete pole,

refer Standards Section.

For separation from other communications assets



- Earth rod = 1m

cable plastic sheathed / jacketed or in plastic conduit:

Provide the following minimum separation to communications



- Earth rod = 15m

manholes, pillars, pits etc:

Provide the following minimum separation to communications

16/08/201716/08/2017

R MARGANIR MARGANI


GRADING RING

OVERHEAD SUB-TRANSMISSION CONSTRUCTION MANUAL EARTHING · overhead sub-transmission construction...

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