132kV Underground Cable Work No. 2 Design Drawings · 132kV Underground Cable Work No. 2 Design...

Brechfa Forest ConnectionDevelopment Consent Order Application - Reference EN020016

May 2015Regulation reference: The Infrastructure Planning(Applications: Prescribed Forms and Procedure)

Regulations 2009 Regulation 5(2)(o)

Des

ign

Dra

win

gs a

nd P

rofil

es 2

.7

132kV Underground Cable Work No. 2 Design Drawings

HDD DRILLING RIG

PROPOSED DIRECTIONAL DRILL ROUTE

PROPOSED OPEN CUT TRENCH ROUTE

ROAD LEVEL

RIVER/STREAM BED LEVEL

GROUND LEVEL

1.All dimensions are in metre unless otherwise stated.

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

3.Dimensions are indicative only and will vary according to installation and site conditions.

4.Ditch crossing method to be defined depending on specific characteristics and installation

conditions. Trench arrangements and dimensions to be confirmed during detail design stage.

5.Ditch crossing construction operation will not impinge water flow.

6.Proposed general arrangement based on WPD requirements. Arrangement and

dimensions to be confirmed during detail design stages.

7.At certain locations ducts may be filled with bentonite.

8.Depth to be agreed with the relevant stakeholders.

Grass over firm brown silty slightly gravelly CLAY.

Gravel is subangular, fine of mudstone. Frequent roots and rootlets.

Firm, very stiff in places, brown, grey silty gravelly CLAY.

Gravel is angular, fine to coarse of mudstone.

Stiff, dark brown, silty, slightly sandy, slightly gravelly CLAY.

Gravel is angular to subrounded, fine to coarse of mudstone, shale, sandstone. Sand is fine.

Medium dense, dark brown, clayey, sandy, angular to subrounded,

fine to coarse GRAVEL of mudstone,shale.

Sand is fine.from 6.00m to 7.00m: very dense, subangular to subrounded,

fine to medium gravel of siltstone.from 7.00m to 8.90m: rare cobbles of limestone.

Dark brown, silty, fine SAND.

Medium dense, dense to very dense in places, dark brown, sandy, clayey, angular to subangular,

fine to coarse GRAVEL of mudstone, shale. Occasional cobbles of mudstone. Sand is fine.

from 13.50m to 15.00m: cobbles of mudstone.

Grass over, soft, brown clayey, sandy SILT.

Sand is fine. Frequent rootlets.

Soft, brown, clayey, sandy, slightly gravelly SILT.

Gravel is subrounded to rounded, fine to coarse of mudstone.

Sand is fin.

Loose, brown, clayey, silty, sandy, angular to subangular,

fine to coarse GRAVEL of mudstone. Sand is fine.

Very loose, black, silty, gravelly, fine to medium SAND.

Gravel is angular to subrounded, fine to coarse of mudstone.

Very soft, brown, silty CLAY.

Very loose, black, silty, gravelly, fine SAND.

Gravel is angular to subrounded, fine to coarse of mudstone.

Very loose, Brown, clayey, sandy, angular to subangular,

fine to coarse GRAVEL of mudstone.

Sand is fine. Driller reports rising sand and gravel to 5.0m.

Very loose, Grey, silty, clayey subrounded to rounded,

fine to coarse GRAVEL of mudstone.

Very Soft, dark grey, clayey, slightly gravelly SILT.

Gravel is subrounded to rounded, fine to medium of mudstone.

Soft, dark grey, clayey SILT.

Soft, dark grey, clayey, sandy, gravelly SILT.

Gravel is subrounded to rounded,

fine to medium mudstone.Sand is fine.

No recovery, assumed weathered SILTSTONE.

Very soft, dark grey, clayey, sandy, gravelly SILT.

Gravel is angular,

fine to coarse siltstone. Sand is fine.

Weak, grey, moderately weathered SILTSTONE.

Discontinuities are horizontal (7),very closely spaced (20/50/70), planar, rough,

open and infilled with angular to subangular, fine to medium gravel of siltstone.

Weak, grey, completely weathered SILTSTONE.

0.00-0.40

0.40-3.00

3.00-4.00

4.00-8.90

8.90-9.50

9.50-15.0

0.00-2.00

2.00-2.80

2.80-3.70

3.70-4.65

5.00-5.80

5.80-6.00

6.00-7.60

7.60-9.00

7.60-9.00

9.00-10.4

10.4-11.0

11.0-12.5

12.5-13.0

13.0-14.5

14.5-15.0

Depth

(BH2)

CHAIN LINK FENCE

CHAIN LINK FENCE

CHAIN LINK FENCE

CHAIN LINK FENCE

RIVER TOWY (AFON TYWI)

132kV XLPE cable in duct

15

0m

m F

WD

WT

R(G

PR

)

15

0m

m S

WD

4" u

PV

C

RP

LP

312m

Depth

(BH1)

10

.3

3

11

.7

4

11

.5

5

7.9

3

0.00-1.20

1.20-2.00

2.00-4.00

4.00-5.00

Grass over, Loose Brown silty gravelly fine to coarse SAND with

fine subangular gravel

Loose to medium, Brownish Grey, coarse SAND with angular, fine to

medium gravel of mudstone.

Medium, Grey, slightly silty SAND AND GRAVEL with fine to

coarse, subangular gravel of mudstone and fine to coarse sand.

Medium, Brown SAND AND GRAVEL with fine to coarse,

subangular to subround gravel and fine to coarse sand and

rare subround cobbles of mudstone.

Depth

(BH4)

CHAIN LINK FENCE

CHAIN LINK FENCE

ABERGWILI ROAD

6xB

T(2

on

2o

n2

)

6" u

PV

C W

TR

Stre

et L

ig

ht

LPRP

57m


3.9

8

Grass over, Dark Greyish Brown, fine to coarse, silty SAND with

rotten roots and some fine, angular gravel of mudstone.

Loose, Brown, silty, very clayey, fine to coarse SAND.

Very Soft, Brown, silty, very sandy CLAY.

Loose to Medium, Grey, clayey, coarse SAND with rare

subround,fine to medium gravel of mudstone, getting

slightly clayey from 3.5m.

Medium to Dense, Brown, silty, clayey, fine to coarse SAND and fine

to coarse, subangular to subround GRAVEL of mudstone.

Medium, Brownish, subround, coarse GRAVEL with

some fine to medium, subangular gravel of mudstone.

0.00-1.00

1.00-1.90

1.90-2.80

2.80-4.50

4.50-7.00

7.00-8.00

Medium, Greyish Brown, shaley SAND AND GRAVEL

with fine to coarse sand and fine to coarse, subangular

to subround gravel of mudstone.

8.00-10.0

Depth

(BH3)

CHAIN LINK FENCE

CHAIN LINK FENCE

CHAIN LINK FENCE

CLOSE BOARDED FENCE

DITCH

DITCH


LP

RP

132m

2.26

1.69

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

KEY

Notes

PROJECTDRAWING No.

WESTERN POWER DISTRIBUTION (BRECHFA FOREST CONNECTION) ORDER

DESIGN DRAWINGS

(REGULATION 5(2)(o))

RB AFA

A

May 2015 FOR DCO SUBMISSION AJH

DD-A1-001 EN020016

15/WPD/104

SHEET 1 OF 7

132kV UNDERGROUND CABLE INSTALLATION

TYPICAL HORIZONTAL DIRECTIONAL DRILL

DETAIL

WESTERN POWER DISTRIBUTION

(BRECHFA FOREST CONNECTION)

ORDER


A1

CAD

HDD 1 LONG SECTION

UNDER THE RIVER TOWY

1:500

20m15m10m5m05m

1:500 Metric

25m 30m 35m 40m 45m

HDD 2 LONG SECTION

UNDER TWO DITCHES

1:500

HDD 3 LONG SECTION

UNDER THE ABERGWILI ROAD

1:250

20m15m10m5m05m

1:500 Metric

25m 30m 35m 40m 45m

1:250 Metric

5m 0 5m 10m 15m 20m

HDD DRILLING RIG

PROPOSED DIRECTIONAL DRILL ROUTE

PROPOSED OPEN CUT TRENCH ROUTE

ROAD LEVEL

RIVER/STREAM BED LEVEL

GROUND LEVEL











DITCH


LP

RP

80m

2.97

0.00-2.30

2.30-3.10

3.10-5.00

Grass over, loose to medium, Light Brownish Grey SAND AND

GRAVEL with fine to coarse sand and fine to coarse, subangular

to subround gravel of mudstone with rare subround cobbles.

Loose to medium Brownish Grey SAND AND GRAVEL with medium

to coarse sand and fine angular gravel with rare round coarse gravel

Medium to dense fine to coarse subangular to subround GRAVEL with

subround BOULDERS and some fine to coarse silty sand

Depth

(BH6)

POST & RAIL FENCE

POST & RAIL FENCE


15

0m

m M

DP

E R

M(G

PR

)

50

0m

m D

IC

L(R

)

RP

LP

77m

A40

10.00

APPLICATION No.

SCALE

ISSUE

TITLE:


As Shown



KEY

Notes

PROJECTDRAWING No.


DESIGN DRAWINGS


RB AFA

A


DD-250A1-002 EN020016

15/WPD/104

SHEET 2 OF 7


TYPICAL HORIZONTAL DIRECTIONAL DRILL

DETAIL



ORDER


A1

CAD

HDD 4 LONG SECTION

UNDER THE A40 ROAD

1:250

HDD 5 LONG SECTION

UNDER THE TRIBUTARY TO THE RIVER GWILI

1:250

1:250 Metric

5m 0 5m 10m 15m 20m

1:250 Metric

5m 0 5m 10m 15m 20m

PROPOSED WORKING AREA

PROPOSED TEMPORARY TRACK











JOINT BAY

LINK BOX

3x132kV XLPE cable

3xEARTH LEAD

SERVICE DUCT

CHAMBER

FIBRE OPTIC CABLE

WARNING TAPE

PROTECTIVE TILE

GROUND LEVEL

BACKFILL

JOINT BAY CASE

132kV XLPE cable

BASE SLAB

FIBRE OPTIC cable

90

0m

m m

in

.

Va

rie

s

JOINT BAY WOOD WALL

SUMPSUMP

BASE SLAB

CABLE CASE

WARNING TAPE

PROTECTIVE TILE

2438mm 600mm 2438mm

JOINT BAY CASE

GROUND LEVEL

132kV XLPE cable

12500mm 1800mm1800mm

900mm min.

AA

APPLICATION No.

SCALE

ISSUE

TITLE:


As Shown



KEY

Notes

PROJECTDRAWING No.


DESIGN DRAWINGS


RB AFA

A


JB-A1-003 EN020016

15/WPD/104

SHEET 3 OF 7


TYPICAL GENERAL ARRANGEMENT OF

JOINT BAY WITH LINK BOX PIT



ORDER


A1

CAD

SECTION A - A

TYPICAL JOINT BAY CROSS SECTION

1:25

5m3m2m1m 0 1m

1:100 Metric

4m 6m 7m 8m 9m 10m 11m

1m500mm0500mm

1:25 Metric

2m1m01m

1:50 Metric

TYPICAL PLAN VIEW OF JOINT

BAY CONNECTIONS

1:100

TYPICAL SECTION VIEW OF JOINT BAY

1:50













JOINT BAY

TRACTOR

LINK BOX

3x132kV XLPE cable

3xEARTH LEAD

SERVICE DUCT

CHAMBER

FIBRE OPTIC CABLE

WARNING TAPE

PROTECTIVE TILE

GROUND LEVEL

BACKFILL

JOINT BAY CASE

132kV XLPE cable

BASE SLAB

FIBRE OPTIC cable

90

0m

m m

in

.

Va

rie

s

JOINT BAY WOOD WALL

SUMPSUMP

BASE SLAB

CABLE CASE

WARNING TAPE

PROTECTIVE TILE

2438mm 600mm 2438mm

JOINT BAY CASE

GROUND LEVEL

132kV XLPE cable

12500mm 1800mm1800mm

900mm min.

AA

APPLICATION No.

SCALE

ISSUE

TITLE:


As Shown



KEY

Notes

PROJECTDRAWING No.


DESIGN DRAWINGS


RB AFA

A


JB-A1-004 EN020016

15/WPD/104

SHEET 4 OF 7


TYPICAL GENERAL ARRANGEMENT OF

CABLE PULLING SECTION



ORDER


A1

CAD

TYPICAL CABLE PULLING LAYOUT

1:100

TYPICAL SECTION VIEW OF JOINT BAY

1:50

SECTION A - A

TYPICAL JOINT BAY CROSS SECTION

1:30

5m3m2m1m 0 1m

1:100 Metric

4m 6m 7m 8m 9m 10m 11m

2m1m01m

1:50 Metric

1.Dimensions and layout arrangement shown is indicative only. Design will vary according to

the construction contractors requirements, the available area and the specific site constraints.

2.Portacabins will be single storey but may be raised to take account of potential flood risk at

certain locations. Details to be agreed with relevant stakeholders.

3.Soil bund will be designed with suitable gaps/ drainage pipes to allow water flow in flood

conditions. Details to be agreed with relevant stakeholders.

Drill Pipes

R/P

Cutting Settlement Pit

Pipe

Rollers

Construction

Equipment

Spares

Equipment

Temporary Fence

Temporary Fence

Te

mp

ora

ry F

en

ce

Ga

te

20.00

10.00

Proposed Cable

Pipe

Rollers

Drill Rig Area

Slurry

Mixing

Tank

Power

Generator

Control O

ffice

Cuttings

Separation

Equipment

Bentonite

Storage

Slurry

Pump

Cutting S

ettlem

ent P

it

L/P

30.00

Water

Tank

Temporary Fence

Temporary Fence

Tem

porary F

ence

Gate

20

.0

0

Water

Pump

APPLICATION No.

SCALE

ISSUE

TITLE:


As Shown



Notes

PROJECTDRAWING No.


DESIGN DRAWINGS


RB AFA

A


HDD-100A1-005 EN020016

15/WPD/104

SHEET 5 OF 7

GENERIC LAYOUT FOR HDD

COMPOUND



ORDER


A1

CAD

5m3m2m1m 0 1m

1:100 Metric

4m 6m 7m 8m 9m 10m 11m

5m3m2m1m 0 1m

1:100 Metric

4m 6m 7m 8m 9m 10m 11m

GENERIC LAYOUT OF THE

HDD COMPOUND PULL BACK SIDE

SCALE: 1:100

GENERIC LAYOUT OF THE HDD

COMPOUND RIG SIDE

SCALE: 1:100

KEY

1.Dimensions and layout arrangement shown is indicative only. Design will vary according to

the construction contractors requirements, the available area and the specific site constraints.

2.Portacabins will be single storey but may be raised to take account of potential flood risk at

certain locations. Details to be agreed with relevant stakeholders.

3.Soil bund will be designed with suitable gaps/ drainage pipes to allow water flow in flood

conditions. Details to be agreed with relevant stakeholders.

Gate

Fence

82m

130m

3m

5m

Fuel

Tank

Storage

20x Car Park Area

Security

Office

8xPortakabins

Material Storage Area

Material

Holding

Area

Compound Entrance

Office

Entrance

5m

3.00

5m

3.00

One Way

Laydown

Area

56m

9

9

m

16m

APPLICATION No.

SCALE

ISSUE

TITLE:


As Shown



Notes

PROJECTDRAWING No.


DESIGN DRAWINGS


RB AFA

A


UWC-250A1-006 EN020016

15/WPD/104

SHEET 6 OF 7

GENERIC LAYOUT FOR

UNDERGROUND

WORK COMPOUND



ORDER


A1

CAD

GENERIC LAYOUT FOR UNDERGROUND WORK COMPOUND

1:250

1:250 Metric

5m 0 5m 10m 15m 20m

KEY

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.

5000mm 5000mm1000mm5000mm


PROPOSED WORKING AREAPROPOSED WORKING AREA

PROPOSED 132kV OPEN CUT

TRENCH ROUTE AREA

630mm

GROUND LEVEL

TRENCH TYPE 1

SECTION A-A

1:10

CABLE PLASTIC COVERS

WARNING TAPE

BACKFILL & REINSTATEMENT

TO HAUC GUIDELINES

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

3x132kV XLPE cable

900mm min.

WARNING TAPE PROTECTIVE TILE

GROUND LEVEL

BACKFILL & REINSTATEMENT TO HAUC GUIDELINES

5000mm 5000mm1000mm5000mm



SUBSOIL

STOCKPILE

PROPOSED 132kV OPEN CUT

TRENCH ROUTE AREA

630mm

TOPSOIL STOCKPILE

GROUND LEVEL

APPLICATION No.

SCALE

ISSUE

TITLE:


As Shown



Notes

PROJECTDRAWING No.


DESIGN DRAWINGS


RB AFA

A


TMPRD-A1-007 EN020016

15/WPD/104

SHEET 7 OF 7


TYPICAL DIRECT BURIED DETAILS AND

CONSTRUCTION SWATHE GENERAL

ARRANGEMENT



ORDER


A1

CAD

TYPICAL CARRIAGEWAY LONG SECTION VIEW OF 3x132kV XLPE CABLES

1:50

SECTION A-A

TYPICAL DUCT CROSS SECTION

1:50

2m1m01m

1:50 Metric

1:10 Metric

100mm0100mm 300mm 600mm

2m1m01m

1:50 Metric

2m1m01m

1:50 Metric

TYPICAL SECTION SWATHE

1:50

KEY

Date post:	05-Apr-2018
Category:	Documents
Upload:	buitu
View:	244 times
Download:	17 times

132kV Underground Cable Work No. 2 Design Drawings · 132kV Underground Cable Work No. 2 Design...

Documents