Dev

iatio

n Pl

ans

2.9

Brechfa Forest ConnectionDevelopment Consent Order Application - Reference EN020016

Deviation Plans

December 2015

WARNING: DRAWING MAY BE REDUCED. DO NOT SCALE.

OVERHEAD LINE CENTRE LINE

Stay above ground

Stay below ground

LATERAL LoD

BURIED DEPTH

LoD

GROUND

OUT OF

PLAN VIEW

ANGLE S POLE-

ON LINE VIEW

ANGLE S POLE-

12.9m

45° *

required dependant on design checks

A 30°-60° can be acheived where

* Design based on a 45° stay angle.

Vertical maximum: 2m

Lateral maximum: 5m

Limit of Deviation

Buried Depth Range: N/A all set at 2.1m

Pole Height Range: 12 - 15m

Single Pole Structure:

Radius maximum: 5m

Limit of Deviation

Buried Depth Range: N/A all set at 2.1m

Pole Height Range: 12 - 15m

Single Pole Structure:

N/A

APPLICATION No.

SCALE

ISSUE

TITLE:

ISSUE DATE COMMENTS CHK'D APP'DDRAWN

CAD

A1

No.

ORIGINATOR DRAWING

COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF WESTERN POWER DISTRIBUTION

KEY

Notes

DRAWING No.

PROJECT

JH GSA-

A

23-13571-114 EN020016

15/WPD/108

SHEET 1 OF 4

DEC 2015 FIRST ISSUE

(REGULATION 5(2)(o))

POLE ANGLE STRUCTURE

DEVIATION PLAN FOR SINGLE

ORDER

(BRECHFA FOREST CONNECTION)

WESTERN POWER DISTRIBUTION

(REGULATION 5(2)(o))

DEVIATION PLAN FOR SINGLE POLE ANGLE STRUCTURE

WESTERN POWER DISTRIBUTION (BRECHFA FOREST CONNECTION) ORDER

unaffected depending on local ground conditions

lateral movement but the lengths would remain

located. Stay positions would be affected by any

distance and position the pole centre could be

The dashed grey line indicates the maximum

LIMIT of DEVIATION of POLE:

1.8

m

15

m

12.9

m2.1

m

LIMIT of DEVIATION of STAY

5.0m5.0m

5.0m5.0m

5.0m

12.9m

5.0

m

5.0m

5.0

m5.0

m

WARNING: DRAWING MAY BE REDUCED. DO NOT SCALE.

45°*

OVERHEAD LINE CENTRE LINE

Stay above ground

Stay below ground

BURIED DEPTH

LoD

GROUND

OUT OF

5m LATERAL AND 5m ON LINE

THE MAXIMUM LIMIT OF DEVIATION IS

LoD NOTES:

OHL ENTRY TO TERM

SECTION VIEW

TERMINAL H 4 POLE-

PLAN VIEW

TERMINAL H 4 POLE-

15° 15°

lateral pull.

positioned at an additional 15° to counteract

conductor tension. A further two stays are

incoming OHL line to conductors to counteract

Terminal structures are back stayed at 5° from

STAY ORIENTATION:

required dependant on design checks

A 30°-60° can be acheived where

* Design based on a 45° stay angle.

Vertical maximum: 2m

Lateral maximum: 5m

Limit of Deviation

Buried Depth Range: N/A all set at 2.1m

Pole Height Range: N/A all15m

4 Pole Structure:

Radius maximum: 5m

Limit of Deviation

Buried Depth Range: N/A all set at 2.1m

Pole Height Range: N/A all15m

4 Pole Structure:

LIMIT of DEVIATION of STAYS

unaffected depending on local ground conditions

lateral movement but the lengths would remain

located. Stay positions would be affected by any

distance and position the pole centre could be

The dashed grey line indicates the maximum

LIMIT of DEVIATION of POLE:

APPLICATION No.

SCALE

ISSUE

TITLE:

ISSUE DATE COMMENTS CHK'D APP'DDRAWN

CAD

A1

No.

ORIGINATOR DRAWING

KEY

Notes

DRAWING No.

PROJECT

JH GSA-

COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF WESTERN POWER DISTRIBUTION

SHEET 2 OF 4 A

N/A15/WPD/108

23-13571-114 EN020016

FIRST ISSUEDEC 2015

(REGULATION 5(2)(o))

DEVIATION PLAN FOR TERMINAL H 4 POLE STRUCTURE

WESTERN POWER DISTRIBUTION (BRECHFA FOREST CONNECTION) ORDER

(REGULATION 5(2)(o))

H 4 POLE ANGLE STRUCTURE

DEVIATION PLAN FOR TERMINAL

ORDER

(BRECHFA FOREST CONNECTION)

WESTERN POWER DISTRIBUTION15.0

m

5.0m5.0m

5.0m

12.9

m2.1

m

12.1m

5.0

m5.0

m

1.8

m

12.9

m

12.9

m

5.0m

5.0

m

5.0m

5.0m5.0m

WARNING: DRAWING MAY BE REDUCED. DO NOT SCALE.

45°

OVERHEAD LINE CENTRE LINE

Stay above ground

Stay below ground

BURIED DEPTH

LoD

GROUND

OUT OF

5.0m5.0m

14.9

m2.1

m

17.0

m

17.0m

APPLICATION No.

SCALE

ISSUE

TITLE:

ISSUE DATE COMMENTS CHK'D APP'DDRAWN

CAD

A1

No.

ORIGINATOR DRAWING

COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF WESTERN POWER DISTRIBUTION

KEY

Notes

DRAWING No.

PROJECT

JH GSA-

15/WPD/108

SHEET 3 OF 4

EN02001623-13571-114

A

N/A

FIRST ISSUEDEC 2015

LIMIT of DEVIATION of STAY

required dependant on design checks

A 30°-60° can be acheived where

* Design based on a 45° stay angle.

Vertical maximum: 2m

Lateral maximum: 5m

Limit of Deviation

Buried Depth Range: N/A all set at 2.1m

Pole Height Range: 12 - 17m

Twin Pole Structure:

ON LINE VIEW

ANGLE TWIN POLE-

Radius maximum: 5m

Limit of Deviation

Buried Depth Range: N/A all set at 2.1m

Pole Height Range: 12 - 17m

Twin Pole Structure:

PLAN VIEW

ANGLE TWIN POLE-

(REGULATION 5(2)(o))

POLE ANGLE STRUCTURE

DEVIATION PLAN FOR TWIN

ORDER

(BRECHFA FOREST CONNECTION)

WESTERN POWER DISTRIBUTION

(REGULATION 5(2)(o))

DEVIATION PLAN FOR TWIN POLE ANGLE STRUCTURE

WESTERN POWER DISTRIBUTION (BRECHFA FOREST CONNECTION) ORDER

unaffected depending on local groundconditions

lateral movement but the lengths would remain

located. Stay positions would be affected by any

distance and position the pole centre could be

The dashed grey line indicates the maximum

LIMIT of DEVIATION of POLE:

5.0

m

1.8

m

5.0m5.0m 5.0m5.0m

17.0m

14.9m

2.1m

5.0

m5.0

m

5.0m

CABLE PLASTIC COVERS

WARNING TAPE

BACKFILL & REINSTATEMENT

TO HAUC GUIDELINES

132kV SINGLE CIRCUIT

SECTION A-A

160160

75

150

100

150

110mm O/D DUCT

EARTH TAPE (IF REQUIRED)

CBS BACKFILL TO

ENA TS 97-1

1200mm Cu

XLPE CABLE

100 O/D DUCT FOR

FIBRE OPTIC CABLE

160/150 PVC DUCTS

CLASS 1 750N CRUSH

STRENGTH

COVER REQUIREMENTS

FOOTWAY/VERGE = 800mm

CARRIAGEWAY = 900mm

AGRICULTURAL = 1225mm

75

630

110100

16.00 m

4.50m5.00m

0.63m

0.90m

0.60m

5.00m

LIMIT OF DEVIATION INCLUDING TYPICAL CROSS SECTION OF

UNDERGROUND CABLES AND DIMENSIONS OF WORKING AREAS

Fence

1.50m

Fence

0.60

2.00 2.00

LIMIT OF DEVIATION

HAUL ROADSUBSOIL

PROPOSED 132kV OPEN CUT

TRENCH ROUTE AREA

TOPSOIL

GROUND LEVEL

TYPICAL 16.00 METRES EASEMENT WIDTHAND LIMIT OF DEVIATION FOR ALL WORKS

APPLICATION No.

SCALE

ISSUE

TITLE:

ISSUE DATE COMMENTS CHK'D APP'DDRAWN

As Shown

ORIGINATOR DRAWINGNo.

COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF WESTERN POWER DISTRIBUTION

PROJECTDRAWING No.

RB ASA

A

15.12.15 CONNECTION

TMPRD-A1-007 EN020016

15/WPD/108

SHEET 4 OF 4

LIMIT OF DEVIATION INCLUDINGTYPICAL CROSS SECTION OF

UNDERGROUND CABLES AND DIMENSIONS

OF WORKING AREAS

A3

CAD

Notes

1.All dimensions are in millimetres unless otherwise stated.

2.Dimensional information should not be obtained from this drawing (do not

scale).

3.Dimensions and depths are indicative only and will vary according to

installation and site conditions.

4.Proposed general arrangement based on WPD requirements.

5.Trench arrangement and dimensions to be confirmed during detail design

stages.

6.Minimum depth to top of cables to be 900mm in general installation, except in

agricultural land where the minimum is 1000mm.

7.Construction swathe width may vary according to site conditions.

WESTERN POWER DISTRIBUTION (BRECHFA FOREST CONNECTION) ORDER

DESIGN DRAWINGS

(REGULATION 5(2)(o))

2m1m01m

1:50 Metric