05 padmounted substations

UNDERGROUND CONSTRUCTION MANUAL

PADMOUNTED SUBSTATIONS Go to SECTION INDEX Back to MAIN INDEX

DESCRIPTION DWG

INDEX

C

22.12.05

E

11.08.10

T.Borg55 5097 1

5002

5175

1

D 11.08.10

E 10.01.12

PADMOUNTED SUBSTATIONS

5099/1

5174

5099/2

5099/3

5043/1

5043/3

5000/2

5000/4

CONSTRUCTION CONSTRUCTION DESCRIPTION DWG

Construction code guide - 11kV Padmounted

substations including LV switchgear


substations with LV switchgear and HV Switchgear


substations foundation and site finish


substations including LV switchgear


substations LV switchgear & F&G HV RMU

5043/2


substation and foundations

11kV PADMOUNTED SUBSTATION

CONSTRUCTION

5000/3

5010/1

Front entry type installation




Front entry type location in council parklands

Front entry type location in council parklands

Front entry type location in residential allotments

Front entry type - site requirement separate

HV & LV earthing

Front entry type on 5 x 3.5m site placement

options

Front entry type site preparation sloping site

maximum cut & fill

Front entry type site finish concrete surroundPMF11

5003

5004

5000/1

5010/2

5005/1

5009/2

5001/2

5007/1

5189/1

retaining wall - maximum height 1.2m

Cut sloping site pier foundation retaining 5007/2

5189/2

Front entry type uniculvert foundation details

Front entry type uniculvert foundation detailsPMF11U 5005/2

5009/1

5001/1

Front entry type pier foundation details

Front entry type pier foundation details

Front entry type site preparation retaining

wall construction

PMF11BP

Front entry type site preparation retaining

wall construction

Cut sloping site uniculvert foundation

wall - maximum height 2.0m

5008/2

5008/1Filled sloping site uniculvert foundation

retaining wall maximum height 1.2m

Filled sloping site pier foundation retaining

wall maximum height 2.0m

Site preparation safety fence retaining wall

mounting details

5011

Front entry type material Contract No.2004/037/T

Front entry type with LV switchgear construction

Contract No. 2004/037/T

PM11

Front entry type with LV switchgear and ABB

SafeLink RMU, 2 switch 1 fuse material

Contract No.2004/037/T

5191/1

PM11xxxASL Front entry type with LV switchgear and ABB

SafeLink RMU, 2 switch 1 fuse construction


5191/2

Front entry type schematic LV switchgear only


5190/1



5190/2

C.Noel

A.Bletchly

HARD COPYUNCONTROLLED

A ORIGINAL ISSUE

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Ergon Energy Corporation Ltd

ABN 50 087 646 062Dwg Sh

FILE: 5

UNDERGROUND DISTRIBUTION

DESCRIPTION DWG

INDEX

C

08.08.05

E

11.08.10

T.Borg55 5097 2

2

D 11.08.10

E 10.01.12


5192/1

5192/2

5184/1

CONSTRUCTION CONSTRUCTION DESCRIPTION DWG

5091/1


5096/1

5114/1

5114/4

5116/2

5082/1

5114/2

separate HV & LV earthing

Rectangular type - schematic LV switchgear only

5082/2

5082/3

5082/4

CONSTRUCTION CONTD

Front entry type schematic ABB SafeLink

HV switchgear and LV switchgear


Front entry type schematic ABB SafeLink

HV switchgear and LV switchgear


Front entry type material Contract QESI 30/98

5091/2Front entry type construction Contract QESI 30/98PM11, PM11SW

Front entry type with LV switchgear and

RMU ABB SDAF3, 2 switch 1 fuse - material

Contract QESI 30/98

Front entry type with LV switchgear and

RMU ABB SDAF3, 2 switch 1 fuse - construction

Contract QESI 30/98

5184/2PM11xxxASD


Contract QESI 30/98

Front entry type schematic

ABB HV switchgear and LV switchgear

Contract QESI 30/98

5094

5095


Magnefix HV switchgear and LV switchgear

Contract QESI 30/98



Contract QESI 30/98

5096/2



Contract QESI 30/98

5096/3


CONSTRUCTION

Rectangular type installation




Rectangular type location in council parklands

Rectangular type location in council parklands

Rectangular type location in residential allotments

5114/3

5116/1

5105/2

5176

5177

5117

5118

Rectangular type - site requirement

Rectangular type - site requirement without

retaining wall

Rectangular type site finish without retaining wallPMRF22

Rectangular type - material 5105/1

PMR22, PM22SW Rectangular type - construction

Rectangular type - schematic F&G HV

switchgear and LV switchgear

5104







C.Noel

A.Bletchly

Front entry type with LV switchgear and 5264/1

Front entry type with LV switchgear and 5264/2

PM11xxxFBX

Schneider Electric FBX, 2 switch 1 fuse - material

Contract No. 08088EECL

Schneider Electric FBX, 2 switch 1 fuse - construction


Schneider Electric FBX HV switchgear and LV switchgear


5265/1


5265/2



Schneider Electric FBX HV switchgear and LV switchgear


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FILE: 5


PADMOUNTED SUBSTATION INSTALLATION

1 SITE

D. M K.c

D. M K.

11kV PADMOUNTED SUBSTATIONS

FRONT ENTRY TYPE

INSTALLATION

5000

General1.1

Stable (soil conditions)

Free from steep batters

Flood free

Level (topography) where possible

1.4

1.2

The minimum area required to accommodate a front entry

Padmounted substation shall be:

55 5000 11

3/2/03

Site Size

Front entry padmounted substations shall be oriented such that

the LV and HV panels are easily accessible from the dedicated

footpath.

Retaining wall sites - provided retaining walls are contained

within 3400mm width x 3000mm depth no increase in the

12000mm width x 7200mm depth is necessary.

1.3 Substation Orientation

URD

Developments including streets where the allowable dwelling set back

is less than 6.0m will require padmount siting on either an alternative

street, where the dwelling set back is 6.0m, or in Parklands.

Acceptable separation of padmount to adjacent dwellings is provided

if the front of dwellings are set back 6.0m from the R.P. Street

Alignment and the padmount is located as shown in drawings No.

5174, 5010 Sheets 1 or 2.

B 10.2.04

C

The front edge of the substation plinth shall be 200mm from

and as near to parallel as possible to the R.P. Street Alignment.

Along coastal areas the site must be located as far as possible

from the shoreline and sheltered from salt spray.

Common earthing sites

Separate Earthing Sites

Level sites - 3000mm width x 2800mm depth.

Retaining wall sites - 3400mm width x 3000mm depth.

The site shall be to the satisfaction of Ergon Energy, including

C

7.3.08

A site should not be located where impact by traffic is likely and,

if at a truncated section of the street alignment or other non-regular

shaped site the following shall apply:

The specified rectangular size of the site shall not be reduced.

The developer shall provide a padmounted substation site(s) as

required by Ergon Energy at no cost to Ergon Energy. The site shall

be included in the road reserve, or located on freehold property.

No padmounted substations are to be located in Trustee Reserves.

a) In the Road Reserve:-

The Developer shall obtain all necessary approvals from the

Department of Transport or the Local Authority.

b) On Freehold property (including residential or parkland):-

The Developer shall provide Ergon Energy with a registered

easement at no cost to Ergon Energy.

Where the developer required the padmount to be included:

12000mm width x 7200mm depth.


A ORIGINAL ISSUE

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FILE: 5


D. M K.c

D. M K.


FRONT ENTRY TYPE

INSTALLATION

500055 5000 2

2

3/2/03

1 SITE

1.5

(CONTD)

Commercial and Industrial or Landscaped Areas

Whether the padmounted substation is for the sole use of that

complex, or is required as part of the distribution network, the

owner is required to grant Ergon Energy an easement for the

padmounted site, access and cabling.

Separation of 5.0m between padmount transformer LV bushings

and the nearest room or habitable area should be provided

where possible.

1.6 Parklands - for other than URD

Acceptable separation of padmount to adjacent dwellings is

shown in drawings No. 5010 Sheets 1 & 2.

1.7

Cabling Only

Cabling and Access

Should the cabling route not be available in conjunction with

access, a 1.0m wide cable easement is required to the front

of the padmount. Additionally 2.0m x 3.0m (padmount site

width) is required immediately in front to allow spreading of

cables for entry to the padmount and also include the buried

earth cable.

2 SITE PREPARATION

Sites shall be prepared in accordance with the included

construction drawings.

3 CONSTRUCTION OF RETAINING WALLS

Retaining walls shall be constructed around the perimeter of a

padmounted substation site where:

A change in ground level of 300mm or more occurs within 2.0m

of the boundary of the padmounted substation site.

4 PADMOUNTED SUBSTATION FOUNDATION

Uniculvert foundations shall not be constructed where site and

ground conditions do not provide an even or equal bearing

capacity for the padmounted substation, or where no HV

switchgear is fitted and the cable is connected directly to the

transformer HV terminals.

At sites where shallow rock is encountered use the uniculvert

foundation type if applicable.

Concrete piers shall be constructed in accordance with

Drawing No. 5009.

4.1 Uniculvert

Concrete Piers

Uniculvert foundations for both stable and unstable soil conditions

shall be constructed in accordance with Drawing No. 5005.

4.2

B

C

Concrete piers shall be installed where the site ground conditions

do not provide an even or equal bearing capacity for the

padmounted substation foundation, or where no HV switchgear

is fitted and the cable is connected directly to the transformer

HV terminals.

Cabling and Access Requirement

A 3.0m wide easement, or road reserve, from the front of

the site is required for cabling and access.

4.3.04

C 3.7.08

Obtain the necessary approval for an easement to accommodate

the padmounted substation, cabling and access to site.


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FILE: 5


TO MASONRY BLOCK WALL

ALUMINIUM POST

SIDE MOUNTED CONSTRUCTION

Earth Face

MASONRY BLOCK WALL.

Earth Face

GALVANISED STEEL

ALUMINIUM POST

DECK MOUNTED CONSTRUCTION

TO MASONRY BLOCK WALL

NOTES:

B 1/2 DISC

POST CONSTRUCTION INFOR CUT SLOPING SITES

C.Lindsay

30/5/00

D. M K.c

F

F

F

F

F

F

F

F

F

F

F

F

60

0 M

IN.

INT

O C

ON

CR

ET

E

Line

Ground

Natural

approved equivalent)

(Ramset T16175SS or

110mm minimum.

trubolts embedded

2 x M12 S/Steel Fence inside

boundary

Aluminium

Posts

Natural

Ground

Line

20

0 M

IN.

200 MIN.

A safety fence shall be constructed on retaining wall

sloping sites where the difference between ground

level and padmount site is 300mm or greater.

Chain wire infill and the support cables shall be PVC

or baked polyester coated and coloured black or green.

All construction of safety fences to be:

In accordance with AS 1657 / AS 1926 including

latest amendments.

Of a type where infill is between top and toe

board / bottom rails.

3.

2.

1.

Watershed

Capping


SITE PREPARATION - SAFETY FENCE

RETAINING WALL MOUNTING DETAILS

12

0

0+_

Aluminium

Posts

2 x M12 S/Steel

trubolts embedded

110mm minimum.

(Ramset T16100SS or

approved equivalent)

(Use this construction as an alternative)

5011

10mm thick aluminium

base plate fully welded

to aluminium post in

accordance with AS 1657

and AS 1665.

Galvanised

steel posts

Concrete surface

must fall away

from edge of

steel posts

(a)

(b)

55 5011 1

B 7.3.08

B

Not suitable for use at padmounted substations

with separate LV & HV earthing


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FILE: 5


C.Lindsay

D. M K.c

21/1/03

PADMOUNT VOLTAGE

22 = 22kV

CAPACITY (kVA)

5043


ENCLOSURE LENGTH

PMR = Rectangular Type

Padmounted Substation

EXAMPLE:-

INCLUDING LV SWITCHGEAR

22kV PADMOUNTED SUBSTATION (INCLUDING LV SWITCHGEAR) CONSTRUCTION CODE

Code shown within dashed box

appears on relevant construction

detail drawings in this manual.A

CONSTRUCTION CODE GUIDE

155 5043 1

B 7.4.08

B

CONTRACT No. 2006/0061/T

41 = 4.1m

PMR 22/5/41

PMR22/5/41 = Rectangular type padmounted substation, 22kV, 500kVA, 4.1m long.

3 = 315

5 = 500

1k = 1000


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C.Lindsay

D. M K.c

20/12/01

5043



55 5043 22

B 7.4.08

C

PADMOUNT

VOLTAGE

22 = 22kV

CAPACITY (kVA)

ENCLOSURE LENGTH

PMR = Rectangular Type


EXAMPLE:-




22kV PADMOUNTED SUBSTATION WITH LV SWITCHGEAR AND F&G HV RMU CONSTRUCTION CODE

PMR 22/5/41 FGA 21

3 = 315

5 = 500

1k = 1000

TYPE

FGA = F&G GA...-C

SWITCH ARRANGEMENT


PMR 22/5/41 FGA 21 = Rectangular type padmounted substation, 22kV, 500kVA, 4.1m long, Fitted with F&G type GA...-C RMU,

with 2 switchable feeder units and 1 fuse protected tee-off unit

C 4.7.08

41 = 4.1m (ONLY)

WITH LV SWITCHGEAR AND F & G GA...-C RMU

21 = 2 switchable feeder units + 1 fuse protected tee

31 = 3 switchable feeder units + 1 fuse protected tee

22 = 2 switchable feeder units + 2 fuse protected tees


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C.Lindsay

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21/1/03

5043


EXAMPLE:-

PMRF 22/41/8 HL

ENCLOSURE LENGTH SERVICE PLATFORMVOLTAGE

22 = 22kV

HEIGHT ABOVE

GROUND

PADMOUNT FOUNDATION

PMRF = Rectangular Type


Foundation

(Omit where not req"d)

Required only where foundation

is not provided by others.

NOTE:-

22kV PADMOUNTED SUBSTATION FOUNDATION & SITE FINISH CONSTRUCTION CODE




55 5043 3


3

FOUNDATION AND SITE FINISH

8 = 800mm Max.

14 = 1400mm Max.

H = High Voltage

L = Low Voltage

HL = High & Low Voltage

PMRF22/41/8HL = Rectangular type padmounted substation foundation, 22kV, 4.1m enclosure, 800mm max. above ground,

high & low voltage service platforms.

B 9.4.08

B

1. No materials are included in constructions

41 = 4.1m


A ORIGINAL ISSUE

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FILE: 5


C.Lindsay

23/5/01

BL

AN

K

xxx/4

00A

xxx/4

00A

xxx/4

00A

xxx/4

00A

xxx/4

00A

RATING

500kVA


with F&G GA 2K1TS-C RING MAIN UNIT

(2 SWITCHABLE FEEDER UNITS & 1 FUSE PROTECTED TEE)

and LV FUSE SWITCH

HV SWITCHGEAR SIDE LV SWITCHGEAR SIDE

RECTANGULAR TYPE - SCHEMATIC

5082


55 5082 11

F&G HV SWITCHGEAR AND LV SWITCHGEAR

B 12.3.08

315kVA


BL

AN

K

xxx/4

00A

xxx/4

00A

RATING


200kVA


with F&G GA 1K1T-C RING MAIN UNIT

(1 SWITCHABLE FEEDER UNIT & 1 FUSE PROTECTED TEE)

and LV FUSE SWITCH

BL

AN

K

BL

AN

K

BL

AN

K


C 26.5.11

C

F

C. Noel

A. Bletchly

A ORIGINAL ISSUE

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FILE: 5


C.Lindsay

22/1/03RECTANGULAR TYPE - SCHEMATIC

5082


255 5082 2






and LV FUSE SWITCH

BL

AN

K

xxx/4

00A

xxx/4

00A

xxx/4

00A

xxx/4

00A

xxx/4

00A

RATING

500kVA

315kVA

B 12.3.08

C




and LV FUSE SWITCH

BL

AN

K

xxx/4

00A

xxx/4

00A

xxx/4

00A

xxx/4

00A

xxx/4

00A

LV SWITCHGEAR SIDEHV SWITCHGEAR SIDE

RATING

500kVA

315kVA



C 25.5.11

F F F

C. Noel

A. Bletchly

A ORIGINAL ISSUE

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APPROVED


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FILE: 5


C.Lindsay

23/5/01


RATING

1000kVA 1000kVA

RATING






and LV FUSE SWITCH




and LV FUSE SWITCH

CO

NS

UM

ER

S M

AIN

S

ISO

LA

TO

R

BL

AN

K

xxx/6

30A

xxx/6

30A

CO

NS

UM

ER

S M

AIN

S

ISO

LA

TO

R

BL

AN

K

xxx/6

30A

xxx/6

30A

5082


55 5082 33


B 8.4.08

C



F F F

C

25.5.11

C. Noel

A. Bletchly

A ORIGINAL ISSUE

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ABN 50 087 646 062Dwg Sh

FILE: 5


C.Lindsay

22/1/03


RATING

1000kVA




(2 SWITCHABLE FEEDER UNITS & 2 FUSE PROTECTED TEE

and LV FUSE SWITCH

CO

NS

UM

ER

S M

AIN

S

ISO

LA

TO

R

BL

AN

K

xxx/6

30A

xxx/6

30A

5082


55 5082 44



B 8.4.08

C


C

25.5.11

F

C. Noel

A. Bletchly

A ORIGINAL ISSUE

DRAWN

DATE

PASSED

APPROVED


ABN 50 087 646 062Dwg Sh

FILE: 5


NOTES:

C.Lindsay

20/10/00

Padmounted Substation 100kVA with LV Switchgear





1

1

1000kVA750kVA500kVA315kVA200kVA100kVA

1.

2.

3.

FRONT ENTRY TYPE

MATERIAL


5091

ASSY

537-1

537-2

537-3

537-4

537-5

537-6

ASSY

554-3

DESCRIPTIONQTY

QTYDESCRIPTION

4.

MATERIAL - PADMOUNTED SUBSTATION INCLUDING LV SWITCHGEAR

3

ASSY

529-11

DESCRIPTION QTY

MATERIAL - LV FUSE

Fuse link 125A din size 2

529-13 Fuse link 200A din size 2




HV Switchgear is supplied separately

as required.

538-2 Ring Main Unit ABB, 2 Switch 1 Fuse

MATERIAL - ABB SD SERIES HV SWITCHGEAR

750kVA500kVA315kVA200kVA100kVAASSY

538-1

538-3

538-4

DESCRIPTIONQTY

Ring Main Unit Magnefix, 3 Switch 1 Fuse

Ring Main Unit Magnefix, 2 Switch 1 Fuse

Switch Fuse Unit Magnefix, 1 Switch 1 Fuse

1111 1

Cartridge fuse link 16A

554-5 Cartridge fuse link 25A

554-6




Cartridge fuse link 31.5A

3

3

3

3

3

3

MATERIAL - MAGNEFIX MD SERIES HV SWITCHGEAR

1

1111

555-2 Cartridge fuse link 10A 3





3

3

3

3

All Padmounted Substations are

supplied with LV Switchgear fitted.

Ensure correct phasing, HV switchgear

to transformer cabling, prior to

installation of switchgear.

Designer to nominate LV fuse link

current rating.

HV fuse links are provided with

switchgear construction.

55 5091 11

B

C

6.10.05

Assy 537-6 fitted with LV board

transformer disconnector only

5.

CONTRACT No. 2004 / 037 / T

C

3.3.11

Padmounted Substation 1000kVA with LV Board

A. Bletchly

C. Noel


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FILE: 5


PLAN

C.Lindsay

18/10/00

SIDE VIEW

Concrete

PlinthTRANSFORMER

HV SWITCHGEAR

COMPARTMENTCOMPARTMENT

LV SWITCHGEAR

Concrete

Plinth

FRONT ENTRY TYPE

CONSTRUCTION

Assy Selection

537-1 to 6


5091

For feeder cable connection,

Refer HV CONSTRUCTION

drawing. No. 5051 (ABB RMU)

or

drawing. No. 5054 (Magnefix

RMU & SFU or Transformer)

F

F

F

F

F F

F

F

Assy Selection

538-2 and

554-3 to 11

or

538-1, 3 or 4 and

555-2 to 8

255 5091 2

PM11SW

PM11

Construction Type

B

D

Assy Selection

529-11 to 17

6.10.05

C 11.08.10

For mains distribution

cable connection, Refer

LV CONSTRUCTION

drawing. No. 5209.

HARD COPYUNCONTROLLEDD

3.3.11


C. Noel

A. Bletchly

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FILE: 5


C.Lindsay

30/1/03

5094


FRONT ENTRY TYPE - SCHEMATIC

LV SWITCHGEAR ONLY

1000kVA

750kVA

500kVA

315kVA

200kVA

RATINGRATING

100kVA

HV SWITCHGEAR SIDE LV SWITCHGEAR SIDELV SWITCHGEAR SIDE HV SWITCHGEAR SIDE

BL

AN

K

xx

x /

40

0A

xx

x /

40

0A

xx

x /

63

0A

12

5 /

40

0A


with LV FUSE SWITCH ONLY



55 5094 1

B 3.8.05

C


C 3.3.11


A. Bletchly

C. Noel

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FILE: 5


OFF

EA

RT

H

TESTON

C.Lindsay

FEEDER

CABLE

30/1/03

5095


with ABB SDAF3 RING MAIN UNIT


and LV FUSE SWITCH


with ABB SDAF3 RING MAIN UNIT


and LV FUSE SWITCH


1000kVA

750kVA

500kVA

315kVA

200kVA

RATING

1000kVA

750kVA

500kVA

315kVA

200kVA

TRANSFORMER

LV ISOLATOR RATING

1000A

1000A

1000A

2000A

2000A

LV SWITCHGEAR SIDE HV SWITCHGEAR SIDE LV SWITCHGEAR SIDEHV SWITCHGEAR SIDE

BL

AN

K

xx

x /

63

0A

xx

x /

40

0A

xx

x /

40

0A


RATING

100kVA

12

5 /

40

0A

55 5095 1

ABB HV SWITCHGEAR AND LV SWITCHGEAR

OFFE

AR

TH

TEST

ON

OFF

EA

RT

H

TESTON

FEEDER

CABLE

OFF

EA

RT

H

TESTON

FEEDER

CABLE

OFF

EA

RT

H

TEST

ON

OFF

EA

RT

H

TESTON

FEEDER

CABLE

B 29.07.03

D

C

3.8.05

D

3.3.11


A. Bletchly

C. Noel


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FILE: 5


C.Lindsay

FEEDER

CABLE

FEEDER

CABLE

23/5/01

FEEDER

CABLE


RATING

100kVA

RATING

100kVA

HV SWITCHGEAR SIDE LV SWITCHGEAR SIDE LV SWITCHGEAR SIDEHV SWITCHGEAR SIDE

12

5 /

40

0A

12

5 /

40

0A

5096


with MAGNEFIX MD451 RING MAIN UNIT


and LV FUSE SWITCH


with MAGNEFIX MD414 SWITCH FUSE UNIT


and LV FUSE SWITCH


155 5096 1

MAGNEFIX HV SWITCHGEAR & LV SWITCHGEAR

C

B 3.8.05


C 8.3.11

C. Noel

A. Bletchly


A ORIGINAL ISSUE

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FILE: 5


30/1/03

C.Lindsay

FEEDER

CABLE

FEEDER

CABLE

FEEDER

CABLE




and LV FUSE SWITCH


with MAGNEFIX MD414 SWITCH FUSE UNIT


and LV FUSE SWITCH


RATING

200kVA

315kVA

500kVA 500kVA

315kVA

200kVA

RATING

500kVA

200kVA

1000A

1000A

1000A

TRANSFORMER

LV ISOLATOR RATING

315kVA

HV SWITCHGEAR SIDELV SWITCHGEAR SIDEHV SWITCHGEAR SIDE

TRANSFORMER

LV ISOLATOR RATING

200kVA

315kVA

500kVA 1000A

1000A

1000A

LV SWITCHGEAR SIDE

xx

x /

40

0A

xx

x /

40

0A

xx

x /

63

0A

BL

AN

K

xx

x /

63

0A

xx

x /

40

0A

xx

x /

40

0A

BL

AN

K

5096


55 5096 22


C

B 3.8.05


C 8.3.11

C. Noel

A. Bletchly


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FILE: 5


30/1/03

C.Lindsay

FEEDER

CABLE

FEEDER

CABLE

FEEDER

CABLE

xx

x /

40

0A

xx

x /

40

0A

xx

x /

63

0A

BL

AN

K




and LV FUSE SWITCH

5096


500kVA

750kVA

315kVA

200kVA

RATING

750kVA

500kVA

315kVA

200kVA

TRANSFORMER

LV ISOLATOR RATING

1000A

1000A

1000A

2000A



55 5096 33


C

B 3.8.05

C 8.3.11


C. Noel

A. Bletchly


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FILE: 5


C.Lindsay

D. M K.c

20/12/01

5099

PM 11/500

11 = 11kV

VOLTAGE CAPACITY (kVA)

PM11/500 = Padmounted Substation, 11kV, 500kVAEXAMPLE:-

PADMOUNT

PM = Front Entry Type



INCLUDING LV SWITCHGEAR

11kV PADMOUNTED SUBSTATION (INCLUDING LV SWITCHGEAR) CONSTRUCTION CODE




55 5099 11

CONSTRUCTION CODE GUIDEB 8.8.05

C

100

315

500

750

1000

C

10.01.12


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FILE: 5


509955 5099 2

2

EXAMPLE:-

VOLTAGE

11 = 11kV

TYPE

2S1F = 2 Switchable feeder units + 1 Fuse protected Tee

SWITCH ARRANGEMENT

PM = Front Entry Type


PADMOUNT


CAPACITY (kVA)




CONSTRUCTION CODE GUIDE4/3/04

315

500

750

1000

PM 11/500/ASL 2S1F

ASL = ABB SafeLink

B

C

6.10.05

C 02.11.11A.Bletchly

C.Noel

T.Borg

11kV PADMOUNTED SUBSTATION WITH LV SWITCHGEAR AND HV RMU CONSTRUCTION CODE

FBX = Schneider Electric FBX

PM11/500/FBX2S1F = 11kV padmounted substation, 500 kVA Capacity, Schneider Electric FBX HV RMU with

2 switchable feeder units and 1 fuse protected tee-off unit

WITH LV SW/GEAR AND HV RMU SW/GEAR


A ORIGINAL ISSUE

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D. M K.

C.Lindsay

c

22/5/01RECTANGULAR TYPE - SCHEMATIC

LV SWITCHGEAR ONLY

5104


55 5104 1




BL

AN

K

xxx/4

00A

xxx/4

00A

xxx/4

00A

xxx/4

00A

xxx/4

00A

RATING

500kVA

CO

NS

UM

ER

S M

AIN

S

ISO

LA

TO

R

BL

AN

K

xxx/6

30A

xxx/6

30A



RATING

1000kVA


315kVA

B 12.3.08

B



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FILE: 5


C.Lindsay

D. M K.c MATERIALRECTANGULAR TYPE


5105

3

ASSY DESCRIPTION QTY

MATERIAL - LV FUSE



529-16

155 5105 1




14/2/03

B 2.4.08

B

QTYASSY DESCRIPTION

MATERIAL - PADMOUNTED SUBSTATION INCLUDING LV SWITCHGEAR

542-3

542-4

542-5

Padmounted Substation 4.1m Long 500kVA with LV Switchgear



1

QTYASSY DESCRIPTION

576-1

576-2

576-3

1

576-4

576-5

576-6

576-7

576-8

576-9

576-10

Padmounted Substation 200kVA 4.1m Long with LV Switchgear & RMU F & G 1 Switch 1 Fuse










3556-4

556-7

Cartridge fuse link 16A - 200kVA & 315kVA transformers

Cartridge fuse link 20A - 500kVA transformers

Cartridge fuse link - 40A 1000kVA transformers

Refer note 4

1. All padmount substations are supplied fitted with either LV switchgear or LV and HV switchgear as required

2. Padmount substations for new installations shall be 4.1m long.

3. Designers to nominate LV fuse link current rating

4. HV fuse links provided with the padmounted substation construction.

Those fitted with 2 switch 2 fuse RMU are supplied with 3 fuse links to suit that transformer only.

Designer to nominate required fuse links for the remaining fuse unitCONTRACT No. 2006/0061/T

556-3

513-1 Connection earth bar to cover plate 2

513-1 Connection earth bar to cover plate 2

MATERIAL - PADMOUNTED SUBSTATION INCLUDING LV AND HV SWITCHGEAR


A ORIGINAL ISSUE

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FILE: 5


C.Lindsay

D. M K.c CONSTRUCTION

5105

RECTANGULAR TYPE


PMR22

Construction Type

55 5105 22

29/1/03

B 2.4.08

B

LV

Compartment

HV

Compartment

Transformer

Compartment

F

For mains distribution

cable connection, Refer

LV CONSTRUCTION

drawing No. 5087.



drawing No. 5044 (F & G RMU)

or

drawing No. 5120 (Transformer)

F

F

Assy Selection

542-3 to 5 or

576-1 to 10

Assy Selection

529-13, 14, 15, 16 or 17

Assy Selection

556-3, 4 or 7

F


Assy 513-1

F

F

F

Assy 513-1


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FILE: 5



5114D. M K.c

D. M K.

RECTANGULAR TYPE

INSTALLATION

55 5114 11

3/2/03B

C

PADMOUNTED SUBSTATION INSTALLATION

1 SITE

General1.1

Stable (soil conditions)

Free from steep batters

Flood free 1.4

1.2 Site Size

1.3 Substation Orientation

URD

Acceptable separation of padmount to adjacent dwellings is provided

if the front of dwellings are set back 6.0m from the R.P. Street

Alignment and the padmount is located as shown in drawings No.

5176, 5116 Sheets 1 or 2.

Along coastal areas the site must be located as far as possible

from the shoreline and sheltered from salt spray.

Common earthing sites

Separate Earthing Sites

The site shall be to the satisfaction of Ergon Energy, including

The minimum area required to accommodate a rectangular type

Padmounted substation shall be:

Sites without retaining walls - 4000mm width x 6000mm depth.

Sites requiring retaining walls - assessed on an individual basis

and to include sufficient clearance to allow, without adverse

impact on cables, passage of underground cables on site.

Sites requiring retaining walls should be avoided if possible.

4.3.04

Developments including streets where the allowable dwelling set

back is less than 6.0m will require padmount siting on either

an alternative street, where the dwelling set back is 6.0m, or in

Parklands.

Where possible, level or gently sloping ground

Except where not practicable, padmounted substations shall

be oriented such that the LV cabinet end is facing the dedicated

footpath.

C

c

3.7.08

A site should not be located where impact by traffic is likely and,

if at a truncated section of the street alignment or other

non regular shaped site, the specified rectangular size

shall not be reduced.

The developer shall provide a padmounted substation site(s) as

required by Ergon Energy at no cost to Ergon Energy. The site shall

be included in the road reserve, or located on freehold property.

No padmounted substations are to be located in Trustee Reserves.

a) In the Road Reserve:-

The Developer shall obtain all necessary approvals from the

Department of Transport or the Local Authority.

b) On Freehold property (including residential or parkland):-

The Developer shall provide Ergon Energy with a registered

easement at no cost to Ergon Energy.

Note the site size shall be increased to include retaining walls

& footings

Sites requiring retaining walls - assessed on an individual basis,

however, these sites should be avoided if possible.

12000mm width x 10000mm depth.


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D. M K.c

D. M K.


RECTANGULAR TYPE

INSTALLATION

511455 5114 2

2

3/2/03B

C

1.5 Commercial and Industrial or Landscaped Areas

Whether the padmounted substation is for the sole use of that

complex, or is required as part of the distribution network, the

owner is required to grant Ergon Energy an easement for the

padmounted site, access and cabling.

Separation of 5.0m between padmount transformer LV bushings

and the nearest room or habitable area should be provided

where possible.

1.6 Parklands - for other than URD

Acceptable separation of padmount to adjacent dwellings is

shown in drawings No. 5116 Sheets 1 & 2.

1.7

Cabling Only

Cabling and Access

2 SITE PREPARATION

Sites shall be prepared in accordance with the included

construction drawings.

3

Should the cabling route not be available in conjunction with

access, a 1.0m wide cable easement is required to the front

of the padmount (to align with the front left side where applicable).

Additionally 2.0m x 4.0m (padmount site width) is required

immediately in front to allow spreading of cables for entry to the

padmount and also include the buried earth cable.

Cabling and Access Requirement

A 4.0m wide easement, or road reserve, from the front of the

site is required for cabling and access.

2.1 Generally

2.2 Filled Sites

Sites requiring fill shall be provided with compacted fill

in accordance with the following:

For greater than 300mm fill, Controlled.

as defined in AS 2870.

1 SITE (CONTD)

16.3.04

For less than 300mm fill, Rolled or Compacted; or

C 3.7.08

SLOPING SITES

3.1 Retaining walls

200mm in site width

400mm in site length or diagonally

Retaining walls shall be:

Constructed in 200 series concrete masonary block

in accordance with AS/NZS 4455

Outside the 4000mm width x 6000mm depth

The site size shall be increased to include retaining walls,

their footings and saftey fence

Note the retaining walls & footings must be located such that

the cable routes within the site and in front of the site are not

altered or restricted.

Refer applicable TRENCHING folder drawings

Obtain the necessary approval for an easement to accommodate

the padmounted substation, cabling and access to site.

Retaining walls shall be constructed around the perimeter of the

padmounted substation site where the change in round level

within the boundary of the site exceeds:


A ORIGINAL ISSUE

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FILE: 5


D. M K.c

D. M K.


RECTANGULAR TYPE

INSTALLATION

511455 5114 3

3

3/2/03B 18.11.03

D

Unstable Sites4.2

Where sites are very unstable, and conventional foundation

construction techniques as described in this document cannot

be applied, a special design shall be required.

In such circumstances, the developer shall obtain a certified

design from a Civil Engineer (RPEQ) for Ergon Energys

consideration. No special designs for padmounted substation

foundation construction shall be used without the approval of

Ergon Energy.

5 BACKFILLING AND FINAL SITE FINISH

5.1 Common Earthing Sites

All backfill of the site must be compacted before final site finish in

accordance with the applicable drawing.

C

The substation 6.0m x 4.0m site surface is to be finished with

interlocking masonary paving (Besser "Interlock" or equivalent

approved by Ergon Energy) installed in accordance with the

manufacturers installation specification. A concrete slab shall

not be provided.

16.3.04

4 PADMOUNTED SUBSTATION FOUNDATION

At stable padmounted substation sites a foundation shall be

constructed in accordance with the following:

4.1m long substation, base 800mm maximum above ground

- refer Drawing No. 775498.

4.1m long substation, base 1400mm maximum above ground

- refer Drawing No. 775500.

4.1

4

Generally

LV and/or HV Service Platforms shall be provided where the

distance above site surface to top of blockwork at access

doors exceeds 400mm.

Earthing, conduits and cables shall be installed prior to final site finish.

D 3.7.08

3.2 Rural Sites Only

For padmounted substation sites in rural developments or

similar where large allotments are provided and a change

in ground level of 300mm or more occurs within 2m of the

boundary of the site a 1:4 batter slope in lieu of the retaining

wall may be allowed at the sole discretion of Ergon Energy.

On cut battered sites a concrete barrier kerb and channel shall

be provided outside the 4000mm x 6000mm to ensure this area

remains free of water, silt or similar that could require periodic

removal or maintenances. The site size shal be extended as

necessary to include the kerb and channel.

At coastal locations in FN Region, unless agreed otherwise by

Ergon Energy, foundations shall be constructed to ensure the

base of a padmounted substation is above storm surge level

for that location. e.g. In Cairns city, minimum level to the base

of a substation shall be AHD 3.6m

(R.L. 103.600 Cairns City Council Datum 1976).

A saftey fence shall be provided on retaining wall sloping sites

where the difference between ground level and the finished

surface of the padmount site is 300mm or greater.

Refer drawing No. 5011

The developer shall provide a certified design from a

Civil Engineer (REPQ) for Ergon Energys consideration.

No special designs for wall construction

shall be used without the approval of Ergon Energy.


A ORIGINAL ISSUE

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FILE: 5


D. M K.c

D. M K.


RECTANGULAR TYPE

INSTALLATION

511455 5114 4

4

16/3/04

6.2 Padmounted Substations in Landscaped Areas

Refer Clause 5 for Backfilling and Final Site Finish.

6.3 Padmounted Substations Installation in Parklands

7 SPACING BETWEEN PADMOUNTED SUBSTATION AND

OTHER METAL OBJECTS - SEPARATE EARTHING SITES

No buildings/residences, fences, including their foundations, LV

switchboard earths, or metalic objects are permitted within the

clearance zone around the padmount.

Clearance to Telstra assets shall be as noted on EARTHING

drawing No. 5125 Sheet 1.

When planting vegetation in landscaped areas and gardens,

ensure vegetation does not encroach on the padmounted

substation site. Take into consideration the fully matured size

of vegetation to allow continuing access to the site.

Ergon Energy cable conduits for the development may be

placed in the substation site and shall pass down the sides

of the foundation. No conduits shall pass through or under

the foundation.

Where the padmounted substation is located in Council

Parklands, the installation shall be in accordance with the

requirements of drawing No. 5116 Sheets 1 or 2.

5.2 Separate Earthing Sites

6

6.1

ADDITIONAL REQUIREMENTS

Commercial and Industrial Installation

In addition to the requirements of Clause 5.1 the remaining

ground surface between the barrier kerb (around the paving)

and site extremities shall be finished in accordance with

drawing No. 5177.

The preferred location of padmounted substation sites at

commercial and industrial developments is at the real property

street alignment with the LV cabinet end of the padmounted

substation facing the adjoining footpath.

Should the padmounted substation site be located elsewhere

on the development, clear all weather access to the site shall

be provided for personnel and heavy equipment at all times.

Easy access for a mobile crane must be available for the

purpose of installation or replacement.

Ergon Energy cable conduits for the development may be

placed in the substation site and shall pass down the sides

of the foundation. No conduits shall pass through or under

the foundation.

Refer Clause 5 for Backfilling and Final Site Finish.

B 18.6.08

B


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PLAN

FO

OT

PA

TH

NOTES:

C.Lindsay

D. M K.c

F

F

F

F

F

FF

F80

0

4000 M

in.

6000 Min.

F

F

1150

Site

Boundary


RECTANGULAR TYPE - SITE REQUIREMENT

WITHOUT RETAINING WALL

1.

2.

3. No services other than the Ergon Energys

electric cables shall pass through this

padmounted substation site.

4. Clear access to the padmounted substation

shall be maintained for Ergon Energys

personnel and heavy equipment.

5. Mature landscaping (including trees, sprinklers

etc) shall not encroach onto the padmounted

substation site.

5117

Refer drawing No. 5114 Clause 1 for general site

requirements.

29/1/03

A_

55 5117 1

FOR SEPARATE HV & LV EARTHING SITES,

SIZE AND OTHER REQUIREMENTS.

REFER DRAWING No. 5177.

B 4.3.08

B

F

F

R.P.Street

Alignment

Ground

Line

Cabinet

_SECTION A

Refer drawing No. 5114 clauses for sloping

site requirements


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D. M K.c


WITHOUT RETAINING WALL

RECTANGULAR TYPE - SITE FINISH

511855 5118 1

4/2/03

B 4.3.04

C

C 4.5.08

PLAN

FO

OT

PA

TH

NOTES:

1.

F

F

F

F

6000F

F

40

00

F

FF

F

80

01.

300 M

in

F

F

F

F

F

F

Finished

Ground

Line

1150

A_

H.V. L.V.

Paved Area

Refer note 3

Service Platform

Refer note 4

R.P.Street

Alignment

Base of

substation

Refer note 2

_

Foundation & Duct Covers

Refer note 1

Cabinet

Site

Boundary

4.

3.

2.

SECTION A

Where the distance above paving to the

base of substation at HV and/or LV cabinet

access doors exceeds 400mm, provide

service platform/s and access ladder/s.

Refer drawing No. 775501.

PMRF22

Construction Type

The padmounted substation site shall be

paved. Refer drawing No. 5114.

For foundation, earthing, site finish and cover

plate details:

4.1m long substation, base 800mm maximum

above ground. Refer drawing No. 775498.

4.1m long substation, base 1400mm maximum

above ground. Refer drawing No. 775500.

At coastal locations in FN region, unless agreed

otherwise by Ergon Energy, the base of substation

is to be above storm surge level for that location.

e.g. in Cairns City ONLY = AHD 3.6m

(R.L. 103.600 Cairns City Council Datum 1976)


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NOTES:

C.Lindsay

1.

2.


5184


3

ASSY

529-11

DESCRIPTION QTY

MATERIAL - LV FUSE






1

554-6

554-8

554-9

554-11

3

55 5184 11

MATERIAL - PADMOUNTED SUBSTATION

563-3 Padmounted Substation 315kVA with LV Switchgear & Ring Main Unit ABB, SDAF3, 2 Switch 1 Fuse




Designer to nominate LV fuse link current rating.

HV fuse links are provided with switchgear construction.

All Padmounted Substations are supplied with LV Switchgear

and Ring Main Unit ABB SDAF3, 2 switch 1 fuse fitted.

Cartridge fuse link 31.5A (to suit 315kVA padmounted substation)

Cartridge fuse link 50A (to suit 500kVA padmounted substation)



FRONT ENTRY TYPE WITH LV SWITCHGEAR AND

RMU ABB SDAF3 2 SWITCH 1 FUSE - MATERIAL

15/3/04

C

B 6.10.05 HARD COPY

UNCONTROLLED

C

3.3.11


A. Bletchly

C. Noel

A ORIGINAL ISSUE

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FILE: 5


PLAN

C.Lindsay

SIDE VIEW

Concrete

PlinthTRANSFORMER

HV SWITCHGEAR


LV SWITCHGEAR

Concrete

Plinth

Assy Selection

563-3 to 6


5184

F

F

F

F

F F

F

F

255 5184 2

Construction Type


RMU ABB SDAF 3, 2 SWITCH 1 FUSE - CONSTRUCTION

Assy Selection

554-6 to 11

PM11xxxASD

9/3/04



drawing No. 5051 (ABB RMU)

D

B 6.10.05

Assy Selection

529-11 to 17

C 11.08.10

For mains distribution cable connection,

Refer LV CONSTRUCTION

drawing No. 5209.


D

3.3.11


A. Bletchly

C. Noel

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FILE: 5


TRANSFORMER

HV SWITCHGEAR LV SWITCHGEAR

PLAN

C.Lindsay

D. M K.c

SIDE VIEW

Concrete

Plinth


F

F

F

F

F

2

Construction Type


518955 5189 2

FRONT ENTRY TYPE WITH LV SWITCHGEAR

CONSTRUCTION

PM11

NOT APPLICABLE

Sub-Station &

Transformer

Lifting Point

Concrete Plinth

Sub-Station

Lifting Point

Transformer

Lifting Point

F

F

F

F

F

F

Transport Tie Down

Point placesAssy Selection

529-11 to 17

COMPARTMENT

LV SWITCHGEAR


4/8/05

B 11.08.10

B



drawing No. 5209.


Assy Selection

565-3 to 6

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TRANSFORMER

HV SWITCHGEAR


LV SWITCHGEAR

PLAN

C.Lindsay

D. M K.c

SIDE VIEW

Concrete

Plinth


F

F

F F

F

2

Construction Type

4/8/05



PM11xxxASL

ABB SAFELINK RMU, 2 SW. 1 FUSE - CONSTRUCTION

519155 5191 2

Assy Selection

555-5 to 10

Assy Selection

566-3 to 6

Transformer

Lifting Point

Sub-Station

Lifting Point

Sub-Station &

Transformer

Lifting Point

Concrete Plinth

F

F

F

F

F

F

F

F

Transport Tie Down


529-11 to 17




drawing No. 5206 or 5207

(ABB SafeLink RMU)

B 11.08.10

B



drawing No. 5209.


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FILE: 5


C.Lindsay


RATING


519255 5192 1

1

xx

x /

63

0A

ABB SAFELINK HV SWITCHGEAR & LV SWITCHGEAR


500kVA

315kVA

RATING


xx

x /

40

0A

xx

x /

40

0A

xx

x /

40

0A

FEEDER

CABLE

FEEDER

CABLE

750kVA

xx

x /

63

0A

xx

x /

63

0A

xx

x /

63

0A

NOTE:

NOTE:

FEEDER

CABLE

FEEDER

CABLE

Alternator connection point provided on LV Bus Bars.


with ABB SafeLink RING MAIN UNIT


and LV FUSE SWITCHES

3 x Right angle adaptor brackets with bolts etc.

to connect to LV busbars are supplied in plastic bag.

Brackets will accept 3 x 300mm cables per phase.



xx

x /

63

0A

14/12/05

B 8.3.11

C

C. Noel

A. BletchlyC

30.12.11


A ORIGINAL ISSUE

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FILE: 5


C.Lindsay



55 5192 22

4/8/05

RATING


NOTE:

ABB SAFELINK HV SWITCHGEAR & LV SWITCHGEAR

5192

SP

AR

E

SP

AR

E

SP

AR

E

SP

AR

E

1000kVA

FEEDER

CABLE

FEEDER

CABLE


with ABB SafeLink RING MAIN UNIT


and LV DISCONNECTOR





B 8.3.11

C


A. Bletchly

C. Noel

C 30.12.11HARD COPYUNCONTROLLED

A ORIGINAL ISSUE

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APPROVED


ABN 50 087 646 062Dwg Sh

FILE: 5


NOTES:

1.

2.



3

ASSY

529-11

DESCRIPTION QTY






1

3

1

MATERIAL - PADMOUNTED SUBSTATION



55 5264 15264

555-5

555-7

555-9

555-10



MATERIAL - LV FUSE - EACH CIRCUIT


587-3

587-4

587-5

587-6


Designer to nominate LV fuse link current rating.

HV fuse links are provided in construction.

A.Bletchly

C.Noel

15.11.11

T.Borg

SCHNEIDER ELECTRIC FBX RMU, 2 SW. 1 FUSE - MATERIAL

CONTRACT No. 08088EECL

All Padmounted Substations are supplied with LV Switchgear

and Ring Main Unit fitted - Schneider Electric FBX, 2 switch 1 fuse.

3. All LV fuse - switch- disconnector bases are 630A rated.

Padmounted Substation 315kVA with LV Switchgear & Schneider Electric FBX, 2 Switch 1 Fuse





A ORIGINAL ISSUE

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APPROVED


ABN 50 087 646 062Dwg Sh

FILE: 5


TRANSFORMER

HV SWITCHGEAR


LV SWITCHGEAR

PLAN

SIDE VIEW

Concrete

Plinth


F

F F

F

2

Construction Type



PM11xxxFBX

526455 5264 2

Assy Selection

555-5 to 10

Transformer

Lifting Point

Sub-Station

Lifting Point

Sub-Station &

Transformer

Lifting Point

Concrete Plinth

F

F

F

F

F

F

F

F

Transport Tie Down


529-11 to 17



drawing No. 5209.

A.Bletchly

C.Noel

15.11.11

T.Borg

SCHNEIDER ELECTRIC FBX, 2 SW. 1 FUSE - CONSTRUCTION


Assy Selection

587-3 to 6

F



drawing No. 5270

(FBX RMU)


A ORIGINAL ISSUE

DRAWN

DATE

PASSED

APPROVED


ABN 50 087 646 062Dwg Sh

FILE: 5



RATING


526555 5265 1

1

xx

x /

63

0A


500kVA

315kVA

RATING


xx

x /

40

0A

xx

x /

40

0A

xx

x /

40

0A

FEEDER

CABLE

750kVA

xx

x /

63

0A

xx

x /

63

0A

xx

x /

63

0A

NOTE:

NOTE:

FEEDER

CABLE






xx

x /

63

0A

15.11.11

F

F

C. Noel

A. Bletchly

T.Borg

SCHNEIDER ELECTRIC FBX HV SWITCHGEAR & LV SWITCHGEAR



with SCHNEIDER ELECTRIC FBX RING MAIN UNIT


and LV FUSE SWITCHES

FEEDER

CABLEFEEDER

CABLE


A ORIGINAL ISSUE

DRAWN

DATE

PASSED

APPROVED


ABN 50 087 646 062Dwg Sh

FILE: 5




55 5265 22

RATING


NOTE:

5265

SP

AR

E

SP

AR

E

SP

AR

E

SP

AR

E

1000kVA

FEEDER

CABLE





F

A. Bletchly

C. Noel

16.11.11

T.Borg

SCHNEIDER ELECTRIC FBX HV SWITCHGEAR & LV SWITCHGEAR



with SCHNEIDER ELECTRIC FBX RING MAIN UNIT


and LV DISCONNECTOR

FEEDER

CABLE


A ORIGINAL ISSUE

DRAWN

DATE

PASSED

APPROVED


ABN 50 087 646 062Dwg Sh

FILE: 5


...\CopyOut\EE-775497-01-0A.DGN 9/06/2011 9:20:19 AM

05 padmounted substations

Documents

2004037tpm11front entry

lv switchgearcontract

kv padmounted substations

fuse constructioncontract

abb safelink rmu

msite preparation safety

fuse materialcontract

abbsafelink rmu