May 2014Application Reference EN020001
Do
cum
ent
Hinkley Point C Connection Project
Design Drawings400kV Underground Cables
4.8.2
Regulation 5(2)(o) of the Infrastructure Planning(Applications: Prescribed Forms and Procedure)Regulations 2009
5000 5000 6500
700
0-8
000
DOWN
DROPPERS
9000
-10
000
ELEVATION A - A
1:200
8000
92
00
~6
50
00
Mo
du
la
r B
uild
in
g fo
r
LV
AC
, C
om
ms e
tc
40
00
3000
19
00
0
50
00
A
PLAN
1:200
4500
DN
O S
up
ply
20
00
2000
50
00
50
00
3850
92
00
A
B
B
5000
ELEVATION B - B
1:200
FSL +6m
29000
5000 5000
5000
166
00
D/ES
SA
CSECSE
FSL +6m
2000
20
00
DNO
Supply
6500
15
00
25
00
2500
24
00
24
00
~39000
33
00
420
0
9000
Permanent Gate
Temporary Gate
FLTG
13
40
0
New Equipment
CSE - Cable Sealing End
SA - Surge Arrester
D/ES - Disconnector/Earth Switch
FLTG - Full Line Tension Gantry
- Equipment Foundations
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
Notes
Key
Site Map
MMD-322069-E-DR-400UG-XX-0501
B
As Shown
SOUTH MENDIPS
400kV DOUBLE CIRCUIT
CABLE SEALING END COMPOUND
(T-PYLON) GENERAL ARRANGEMENT
PLAN AND ELEVATIONS
PINS SHEET 1 OF 70
13/NG/0201
SHT 1 OF 1
20897 EN020001
CAD
A1
1. For illustration purpose only.
2. Proposed arrangement shown for indicative purposes
only. Dimensions and design may vary depending on
site and installation conditions.
3. BYSTRUP FLT gantries structure based on drawing
number 23_13205_73 Revision D from LSTC.
4. Sensitive equipment to be installed at a minimum of
7.2m AOD according to Flood Risk Assessment:
10/J2M/2046932 P2 - ES Volume 5.23.3
5. Drawing only illustrates principal CSEC structures.
Provision for lighting and security to be designed as
requested. Permanent lighting to be for access only.
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 1 OF 70
10m20m0
1:200
A
July 2013Section 42 Submission
GJB
R
iv
e
r
A
x
e
M
5
Loxton
Biddisham
B
May 2014For DCO Submission
JH LD JB
New Equipment
CSE - Cable Sealing End
SA - Surge Arrester
D/ES - Disconnector/Earth Switch
LTG - Low Tension Gantry
- Equipment Foundations
15
00
15000
24
00
9000 5000 6500
80
00-9
500
50
00
SA
~34000
~3
00
00
DN
O S
up
ply
Mo
du
la
r B
uild
in
g fo
r
LV
AC
, C
om
ms e
tc
40
00
3000
50
00
CSE
D/ES
AA
ELEVATION A - A
1:200
PLAN
1:200
12
00
0
Down
Dropper
50
00
20
00
2000
DNO Supply
See note 1
900
0-1
000
0
B
B
FSL +6m
FSL +6m
ELEVATION B - B
1:200
5000 50009000
130
00
- 1
40
00
12000
2500
6500
2000
25
00
15
00
20
00
LTG
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
Site Map
MMD-322069-E-DR-400UG-XX-0511
B
As Shown
BRIDGWATER T - HORSEY LEVEL
400kV SINGLE CIRCUIT
CABLE SEALING END COMPOUND
TYPICAL GENERAL ARRANGEMENT
PLAN AND ELEVATIONS
PINS SHEET 2 OF 70
13/NG/0203
SHT 1 OF 1
20897 EN020001
ACAD
A1
10m 20m0
1:200
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 2 OF 70
A
July 2013Section 42 Submission
GJB
B
May 2014For DCO Submission
JH LD JB
1. For illustration purpose only.
2. Proposed arrangement shown for indicative purposes
only. Dimensions and design may vary depending on
site and installation conditions.
3. Sensitive equipment to be installed at a minimum of
7.6m AOD according to Flood Risk Assessment
10/J2M/2046931 P2 - ES Volume 5.23.1.
4. Drawing only illustrates principal CSEC structures.
Provision for lighting and security to be designed as
requested. Permanent lighting to be for access only.
Puriton
M5
Bridgwater
Typical Swathe for Open Cut Construction for
400kV Cabling Works
1:200
Subsoil
Stockpile
Subsoil
Stockpile
7m haul road
Construction Swathe Typically 100m (See Note 4)
Temporary
drain
Temporary
drain
Temporary
drain
Temporary
drain
Topsoil
Stockpile
Topsoil
Stockpile
Varies
Ca
ble
C
ircu
it 1
Ca
ble
C
ircu
it 2
Ground Level
Varies Varies
900
m
in.
Varie
s
Well compacted thermally suitable
indigenous backfill
Warning tape
Protective tile
Surrounding cement
bound sand
400kV cables
Cable & Wireless cable
in duct (I/D 100mm)
Pilot cable in duct
(I/D 100mm)
DTS cable in
carrier tube
Detail 1
Typical Direct Buried Cable Trench
1:25
Cross section A-A
Typical Direct Buried Cross Section
1:100
7m haul road
Varies
Varies Varies
Ground Level
Cable Circuit 2
Cable Circuit 1
90
0 m
in
Protective tile
400kV cable
Well compacted thermally suitable
indigenous backfill
Ground Level
Cross Section B-B
Typical Section View of Direct Buried Cables
1:50
Ha
ul R
oad
A A
Cable T
rench
B
B
Cab
le
C
ircuit 2
Cab
le
C
ircuit 1
Cable T
rench
Cable T
rench
Cable T
rench
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
Key
MMD-322069-E-DR-400UG-XX-0600
C
As Shown
400kV UNDERGROUND
CABLE INSTALLATION
TYPICAL DIRECT BURIED DETAILS
& CONSTRUCTION SWATHE
GENERAL ARRANGEMENT
PINS SHEET 3 OF 70
13/NG/0204
SHT 1 OF 1
20897 EN020001
CAD
A1
1. Proposed arrangement shown for indicative purpose
only. Dimensions and design may vary depending on
site and installation conditions.
2. Based on NGTS 2.5 installation conditions and the
ratings required by TGN(E) 26/ Issue 3 - Table G39
with both circuits in operation.
3. Circuit separation required to meet ratings at
obstructions with regular occurrence.
4. Construction swathe width may vary according to site
conditions.
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 3 OF 70
See Detail 1See Detail 1
Typical Plan View of Direct Buried Cables
1:200
Proposed direct buried cable alignment
Haul road
10m20m0
1:200
1:100
0 10m5m
2.5m5m0
1:50
1:25
0 2.5m1.250m
A
July 2013Section 42
GJB
B
Oct 2013For Information
GJB
CBS (Cement Bound Sand)
Well compacted thermally suitable
indigenous backfill
C
May 2014For DCO Submission
JH LD JB
Hau
l R
oa
dH
au
l R
oa
d
Cable C
ircuit 1
Cable C
rcuit 2
Cable trench
Cable trench
Cable trench
Existing Road
AA
Cable trench
B
B
Existing HedgerowHedgerow to be temporarily removed
Hedgerow to be temporarily removedExisting Hedgerow
Section A - A
Typical Ducted Cross Section
1:100
7m Haul Road
Cable Circuit 2
Cable Circuit 1
Ground level
Warning Tape
Protective tile
Varies
Varies
VariesVaries
Varies
Varies
Warning Tape
Protective tile
Existing Road
Existing hedgerows to be temporarily
removed if required
Reinforced concrete trench section
Section B - B
Typical Section View of Open Cut Road Crossing
1:50
Protective tile
Cement bound sand trench section
400kV cable
400kV cable in duct
Cement bound sand trench section
75
0 m
in
.
Ground level
Varies Varies
Warning tape
Cable duct
Well compacted thermally
suitable indigenous backfill
Protective tile
400kV cables
Reinforced concrete
2 layers of steel fabric
reinforcement
top and 1 layer bottom
Existing road Level
Pavement reinstatementSub-base
Va
ries
75
0 m
in.
Pilot cable in duct
Cable & Wireless
cable in duct
A
May 2014For DCO Submission
JAH LD JB
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-E-DR-400UG-XX-0601
A
As Shown
400kV UNDERGROUND
CABLE INSTALLATION
TYPICAL GENERAL ARRANGEMENT AT
OPEN CUT ROAD CROSSINGS
PINS SHEET 4 OF 70
13/NG/0205
SHT 1 OF 1
20897 EN020001
CAD
A1
1. All dimensions are in millimetres unless otherwise
stated.
2. Do not scale any items of information from this
drawing.
3. Ground profiles are shown for illustrative purposes
only.
4. Proposed arrangement shown for indicative
purpose only. Dimensions and design may vary
depending on site and installation conditions.
Typical Plan View of Open Cut Road Crossing
1:200
Detail 1
Typical Ducted Cable Trench
1:25
See Detail 1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATIONS 5(2)(o))
SHEET 4 OF 70
10m20m0
1:200
1:100
0 10m5m
2.5m5m0
1:50
1:25
0 2.5m1.250m
Proposed direct buried cable alignment
Existing road
Proposed ducted cable alignment
Existing hedgerow
Existing hedgerow to be temporarily
removed If required
Reinforced Concrete
CBS (Cement bound sand)
Well compacted thermally suitable
indigenous backfill
Pavement reinstatement
Sub-base
Haul road
Cable trench
Culvert
Cable trench
A
B
Haul Road
Cable Circuit 2
Cable Circuit 1
B
Cable trench
Cable trench
Open D
itch
A
Section A - A
Typical Cable Duct Crossing
(See Note 6)
1:50
Varies2000 2000
Reinforced concrete trench section
Cement bound sand trench sectionCement bound sand trench section
Existing ditch
Ground Level
400kV cable in duct
Protective tile
Varies
(See note 6)
Va
rie
s
400kV cable
Culvert
7m Haul Road
Top of ditch
Bottom of ditch
Top of ditch
Bottom of ditch
VariesVaries
Va
rie
s
Varies
Cable Circuit 2 Cable Circuit 1
Varies
Varies Varies Varies Varies Varies Varies Varies Varies
Va
rie
s
Va
rie
s
(S
ee
n
ote
6
)
Warning tape
400kV Cables
Protective tile
Bottom of Ditch
2 layers of steel fabric reinforcement top and 1 layer bottom
Well compacted thermally
suitable indigenous backfill
Pilot cable in duct
Cable & Wireless
cable in duct
Cable duct
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-E-DR-400UG-XX-0602
A
As Shown
400kV UNDERGROUND
CABLE INSTALLATION
TYPICAL GENERAL ARRANGEMENT
AT DITCH CROSSING
PINS SHEET 5 OF 70
13/NG/0206
SHT 1 OF 1
20897 EN020001
CAD
A1
Typical Ducted Cross Section B - B
1:100
Proposed direct buried cable alignment
Proposed ducted cable alignment
Haul road
Water Course
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 5 OF 70
See Detail 1
Typical Plan View of Ditch Crossing
1:200
Detail 1
Typical Ducted Cable Trench Under Ditch
1:25
10m20m0
1:200
1:100
0 10m5m
2.5m5m0
1:50
1:25
0 2.5m1.250m
1. All dimensions are in millimetres unless otherwise
stated.
2. Do not scale any items of information from this
drawing.
3. Ground profiles are shown for illustrative purposes
only.
4. Proposed arrangement shown for indicative purpose
only. Dimensions and design may vary depending on
site and installation conditions.
5. Additional reinforcements and high strength concrete
shall be used to increase the level of protection
offered by a standard ducted section due to the
reduced cover to the bottom of the drainage ditch.
6. Depth to be agreed with the relevant stakeholders.
Reinforced Concrete
CBS (Cement bound sand)
Well compacted thermally suitable
indigenous backfill
A
May 2014For DCO Submission
JH LD JB
Cable trench
Cable trench
Cable trench
Cable trench
Haul Road
B
A
A
Existing Utility
B
Cable Circuit 2
Cable Circuit 1
UT
LU
TL
UT
LU
TL
UT
LU
TL
UT
LU
TL
UT
LU
TL
UT
LU
TL
UT
L
Well compacted thermally
suitable indigenous backfill
400kV cable
Cement bound sand or reinforced concrete trench section
Ground Level
Utility
Va
rie
s
Va
rie
s
Protective tile
Cable section to be direct buried or
ducted, subject to utility depth and
construction methodology.
Cement bound sand trench section Cement bound sand trench section
7m haul road
Haul Road
Varies
Section A-A
Typical Utility Crossing - Above Existing Services
1:100
Section A-A
Typical Utility Crossing - Below Existing Services
1:100
Va
rie
s
Haul Road
Varies
Varies Varies
Varies Varies
7m haul road
Ground Level
Ground Level
Cable Circuit 2
Cable Circuit 2
Cable Circuit 1
Cable Circuit 1
Utility
Utility
90
0 m
in
.
Protective tile
400kV cable
Well compacted thermally suitable
indigenous backfill
Ground Level
Utility
Varie
s
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-E-DR-400UG-XX-0603
A
As Shown
400kV UNDERGROUND
CABLE INSTALLATION
TYPICAL SERVICES CROSSING DETAIL
& GENERAL ARRANGEMENT
PINS SHEET 6 OF 70
13/NG/0237
SHT 1 OF 1
20897 EN020001
CAD
A1
1. All dimensions are in millimetres unless otherwise
stated.
2. Do not scale any items of information from this
drawing.
3. Existing ground profiles shown are for general
indication only.
4. Proposed arrangement shown for indicative purposes
only. Dimensions and design detail may vary
depending on site and installation conditions.
5. Spacing between utility and cable is subject to
agreement with the relevant utility provider at
individual locations.
Proposed direct buried cable alignment
Haul road
Existing UtilityUTL
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATIONS 5(2)(o))
SHEET 6 OF 70
Section B-B
Typical Utility Crossing - Below Existing Services
1:50
Section B-B
Typical Utility Crossing - Above Existing Services
1:50
Typical Plan View of Utility Crossing
1:200
10m20m0
1:200
1:100
0 10m5m
2.5m 5m0
1:50
See Detail 1
Sheet 3 of 70
Proposed direct buried or ducted
cable alignment
Reinforced Concrete
CBS (Cement Bound Sand)
Well compacted thermally suitable
indigenous backfill
A
May 2014For DCO Submission
JH LD JB
B
B
H
a
u
l
R
o
a
d
C
C
Link box pillars
Link box pillars
Joint bay
C
a
b
l
e
C
i
r
c
u
i
t
2
C
a
b
l
e
C
i
r
c
u
i
t
1
A
A
Access gate
Access gate
Bonding cables
Bonding cables
Cable & Wireless
duct chambers
Cable & Wireless
duct chambers
D
D
E
E
V
a
r
i
e
s
V
a
r
i
e
s
V
a
r
i
e
s
Ground Level
Link Box Pillars
Fence
2000
15
00
1000
6000
Fence
Access gate
15
00
Well compacted thermally
suitable indigenous backfill
Warning Tape
Protection Tile
Cement bound
sand
Pilot cable
in duct
Cable &
Wireless
cable in duct
Ground Level
Ground Level
Fence Fence
Link box pillar
600
3000
15
00
13
00
1800 750 1800
10000 20002000
Typical cable trench profile view
15
00
Ground Level
Warning
Tape
Protection Tiles
Joint bay
base slab
Sump
Cable & Wireless Duct
Chamber Section D - D
1:20
1550
90
0
Sump with
grating
Cable & Wireless
Cable in duct
Cable
bearer
inserts
Fall to sump
Ground Level
Cable & Wireless Duct
Chamber Section E - E
1:20
850
Duct
Step irons
Ground Level
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-E-DR-400UG-XX-0700
B
As Shown
400kV UNDERGROUND
CABLE INSTALLATION
TYPICAL GENERAL ARRANGEMENT OF
JOINT BAY WITH LINK BOX PILLAR
PINS SHEET 7 OF 70
13/NG/0207
SHT 1 OF 1
20897 EN020001
CAD
A1
1. All dimensions are in millimetres unless otherwise
stated.
2. Do not scale any items of information from this
drawing.
3. Existing ground profiles shown are for general
indication only.
4. Proposed arrangement shown for indicative
purpose only. Dimensions and design may vary
depending on site and installation conditions.
5. Cable & Wireless pulling chamber proposed as per
Cable & Wireless specification. Refer to
PDD-20897L2-REP-0005.
Typical cable trench layout showing
crossing points
1:200
Section C - C
Link Box Pillar Detail
1:25
Section A - A
Typical Joint Bay Cross Section
1:25
Section B - B
Link Box Pillar Detail
1:25
Haul road
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 7 OF 70
Typical Cable Trench Showing Crossing Points
Profile View
1:50
AA
10m20m0
1:200
2.5m5m0
1:50
1:25
0 2.5m1.250m
A
July 2013SECTION 42 SUBMISSION
JAH
Proposed direct buried cable alignment
Concrete
CBS (Cement bound sand)
Well compacted thermally suitable
indigenous backfill
Single sized granular material
Sub-base
B
May 2014For DCO Submission
JH LD JB
Link box pillars
Link box pillars
Joint bay
C
a
b
l
e
C
i
r
c
u
i
t
2
C
a
b
l
e
C
i
r
c
u
i
t
1
H
a
u
l
R
o
a
d
See note 4
Cable & Wireless
duct chambers
Cable & Wireless
duct chambers
DESCRIPTION SIZE WEIGHT
TRACTOR 5.2m LONG x 2.54m WIDE x 3m HIGH 8 TONNES
TRAILER 5.9m LONG x 4.4m WIDE x 2.5m HIGH 5 TONNES
TRAILER WITH CABLE DRUM AND CABLE 5.9m LONG x 4.4m WIDE x 5m (APPROX) HIGH 40 TONNES
CABLE GUIDE 5m LONG x 3m WIDE x 3m (APPROX) HIGH 2.5 TONNES
20m Temporary Hardstanding
7m
15m TURNING CIRCLE FOR TRACTOR
DRUM / TRAILER DETAILS
Te
mp
ora
ry
Ha
rd
sta
nd
in
g
Tractor
Drum
Trailer
Cable guide
Direction of cable release
MMD-322069-E-DR-400UG-XX-0701
B
As Shown
400kV UNDERGROUND
CABLE INSTALLATION
TYPICAL GENERAL ARRANGEMENT OF
CABLE PULLING LOCATION
PINS SHEET 8 OF 70
13/NG/0208
SHT 1 OF 1
20897 EN020001
CAD
A1
Typical Cable Trench Layout
1:200
1. Do not scale any items of information from this
drawing.
2. Hardstanding shall be capable of supporting
equipment/mobile plant.
3. Proposed arrangement shown for indicative
purposes only, dimensions and design may vary
depending on site and installation conditions.
4. Indicative location of trailer mounted cable drum.
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
Key
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 8 OF 70
Proposed direct buried cable alignment
Haul road
Cable Pulling Arrangement
NTS
10m 20m0
1:200
A
July 2013Section 42 Submission
GJB
B
May 2014For DCO Submission
JH LD JB
Office T
raffic R
oute
Construction Traffic
One Way System
Heras Fence
Laydown
Area
Wheel Wash
Point
To/From Haul Road
To/From Haul Road
or Main Road
Pedestrian A
ccess R
oute
45m x 45m
12x Portakabins
View A
Elevation on View A
Security
Gate House
~100m
~1
00
m
2.4
m
T
o T
op
o
f F
en
ce
1.5
m
T
o T
op
o
f
S
oil B
un
d
Spoil
3m Wide Soil Bund
3m Wide Soil Bund
30x Car Parking Bays
5x Minibus
Parking Bays
Fuel Tank
Storage
Waste S
torage A
reas
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-E-DR-400UG-XX-0800
B
NTS
TYPICAL 400kV COMPOUND -
GENERAL ARRANGEMENT
PINS SHEET 9 of 70
13/NG/0209
SHT 1 of 3
20897 EN020001
CAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 9 OF 70
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.
A
July 2013Section 42 Submission
JAH
Drawing to be read in conjunction with:
13/NG/0209 (Sheet 10 of 70) - Typical 400kV
Satellite Compound - General Arrangement
13/NG/0209 (Sheet 11 of 70) - Typical 400kV
Compound Including Test Equipment - General
Arrangement
Pedestrian Access
Soil Bund
Spoil
B
May 2014For DCO Submission
JAH LD JB
Office T
raffic R
oute
Construction Traffic
One Way System
30x Car Parking Bays
Laydown
Area
Wheel Wash
Point
To/From
Haul Road
20m x 20m
Pedestrian A
ccess R
oute
Security
Gate House
View A
Elevation on View A
Fuel Tank
Storage
~7
5m
Spoil
~85m
12x Portakabins
5x Minibus Parking Bays
To/From Haul Road
or Main Road
3m Wide Soil Bund
Waste S
torage A
reas
3m Wide Soil Bund
2.4
m
T
o T
op
o
f F
en
ce
1.5
m
T
o T
op
o
f
S
oil B
un
d
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-E-DR-400UG-XX-0804
A
NTS
TYPICAL SITE LAYDOWN AREA
GENERAL ARRANGEMENT - 400kV
SATELLITE COMPOUND
(SHEET 2 OF 3)
PINS SHEET 10 of 70
13/NG/0209
SHT 2 of 3
20897 EN020001
CAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATIONS 5(2)(o))
SHEET 10 OF 70
Drawing to be read in conjunction with:
13/NG/0209 (Sheet 9 of 70) - Typical 400kV
Compound - General Arrangement
13/NG/0209 (Sheet 11 of 70) - Typical 400kV
Compound Including Test Equipment - General
Arrangement
Pedestrian Access
Soil Bund
Spoil
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.
A
May 2014For DCO Submission
JAH LD JB
Office T
raffic R
oute
Construction Traffic
One Way System
Heras Fence
Wheel Wash
Point
To/From Haul Road
View A
Elevation on View A
Security
Gate House
~115m
~1
10
m
Spoil
12x Portakabins
5x Minibus
Parking Bays
Pedestrian A
ccess R
oute
30x Car Parking Bays
Fuel Tank
Storage
4x HV Cabling
Test Equipment
To/From Haul Road
or Main Road
3m Wide Soil Bund
3m Wide Soil Bund
2.4
m
T
o T
op
o
f F
en
ce
1.5
m
T
o T
op
o
f
S
oil B
un
d
Waste S
torage A
reas
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-E-DR-400UG-XX-0802
A
NTS
TYPICAL 400kV COMPOUND
INCLUDING TEST EQUIPMENT -
GENERAL ARRANGEMENT
PINS 11 of 70
13/NG/0209
SHT 3 of 3
20897 EN020001
CAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 11 OF 70
Pedestrian Access
Soil Bund
Spoil
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.
Drawing to be read in conjunction with:
13/NG/0209 (Sheet 9 of 70) - Typical 400kV
Compound - General Arrangement
13/NG/0209 (Sheet 10 of 70) - Typical 400kV
Satellite Compound - General Arrangement
A
May 2014For DCO Submission
JAH LD JB
2000 min.
2000 min.
Existing ground
level
Existing river profile
(see Note 5)
(TBC)
(TBC)
Proposed haul road
Parapet
Secured gated
access at both
ends of bridge
1
10
Proposed haul road
Clear span approx. 34000 (depends on crossing location)
Secured gated
access at both
ends of bridge
Potential for cladding or
painted colour scheme to suit
landscaping requirement
Locally sourced stone for
abutment cladding where
possible
1
10
Steps provided for Public
Right of Way. Alternative
access route around base
of ramp if steps are not
used.
60
0 m
in
.
(T
BC
)
205
0
(ap
prox.)
250
0
(a
pprox.)
14210
25
00
Trough
400 kV power
cables in trough
(CBS surround with
secured heavy duty
lids)
5200*
Grassed paving for
light maintenance
vehicle access
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
Notes
MMD-322069-C-DR-400UG-XX-0900
A
AS SHOWN
RIVER AXE CABLE BRIDGE
ELEVATION AND CROSS SECTION
PINS SHEET 12 OF 70
13/NG/0244
SHT 1 OF 3
20897 EN020001
ACAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 12 OF 70
1. All dimensions are in millimetres unless
otherwise stated.
2. This drawing to be read in conjunction with
Drawings Sheet 13 & 14 of 70.
3. Do not scale any items of information from this
drawing.
4. All structural arrangements of bridge shown
indicatively, dimensions subject to 3rd party
discussions, on site survey results and design
development.
5. River Axe profile based on Topographic Survey
Drawing dated 12/04/2013 provided by National
Grid.
Elevation
1 : 100
Typical Section : Half-through Girder
(Cable and Light Vehicle Access Bridge)
1 : 50
* Minimum cable separation based on initial discussions subject to
design development
MMD-322069-C-DR-400UG-XX-0900
Grasscrete
Concrete
CBS (Cement Bound Sand)
Sub-base
2.5m 5m0
1:501:1000
0 100m50m
A
May 2014For DCO Submission
JAH LD JB
Existing river profile
Approx. 34000 (see Note 4)
33400 39580
1
10
50005000
1
10
Existing ground profile
Proposed ramp
Existing ground profile
Proposed ramp
Proposed River Axe
Cable Bridge
A
A
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
Site Map
REPRODUCED FROM ORDNANCE SURVEY MAPS.
BY PERMISSION OF THE ORDNANCE SURVEY ON
BEHALF OF THE CONTROLLER HER MAJESTY'S
STATIONERY OFFICE. © CROWN COPYRIGHT
ORDNANCE SURVEY. OS LICENCE NO. 100048471
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-C-DR-400UG-XX-0901
A
AS SHOWN
RIVER AXE CABLE BRIDGE
PLAN AND ELEVATION OF RAMP
PINS SHEET 13 OF 70
13/NG/0244
SHT 2 OF 3
20897 EN020001
ACAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 13 OF 70
1. All dimensions are in millimetres unless otherwise
stated.
2. Do not scale any items of information from this
drawing.
3. This drawing to be read in conjunction with
Drawings Sheet 12 & 14 of 70
4. All structural arrangements of bridge shown
indicatively, dimensions subject to 3rd party
discussions, on site survey results and design
development.
5. River Axe profile based on Topographic Survey
Drawing dated 12/04/2013 provided by National
Grid.
Proposed Permanent Bridge Ramp Elevation
(Looking west)
1 : 200
Plan
1 : 500
Proposed River Axe cable bridge
structure
Proposed haul road
Proposed embankment
Proposed temporary bridge
LOXTON
WEBBINGTON
BIDDISHAM
M
5
10m20m0
1:200
25m50m0
1:500
MMD-322069-C-DR-400UG-XX-0901
A
May 2014For DCO Submission
JAH LD JB
8000 (approx.)
20
50
Permanent River Axe Bridge
Top of river bank
Carriageway = 7356
Transom overall = 10980
Clear = 8621
12
00
Temporary River Axe Bridge
60
0
14210
min
.
(a
pp
ro
x.)
(a
pp
ro
x.)
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
Notes
MMD-322069-C-DR-400UG-XX-0902
A
AS SHOWN
RIVER AXE CABLE BRIDGE
COMBINED CROSS SECTION
OF TEMPORARY AND
PERMANENT BRIDGES
PINS SHEET 14 OF 70
13/NG/0244
SHT 3 OF 3
20897 EN020001
ACAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 14 OF 70
1. All dimensions are in millimetres unless
otherwise stated.
2. Do not scale any items of information from this
drawing.
3. This drawing to be read in conjunction with
Drawings Sheet 12 & 13 of 70.
4. All structural arrangements of bridge shown
indicatively, dimensions subject to 3rd party
discussions, on site survey results and design
development.
Section A - A
1 : 50
2.5m 5m0
1:50
MMD-322069-C-DR-400UG-XX-0902
Grasscrete
Concrete
CBS (Cement Bound Sand)
Sub-base
A
May 2014For DCO Submission
JAH LD JB
Mabey Universal Bridge up to 40500 (Variable to Suit Crossing)
60
0
(T
BC
)
Existing ground level
Proposed haul road
Proposed haul road
Indicative river profile
Temporary foundations
shown indicatively
min. 600 above max. flood level (TBC)
1
40
1
40
Bearing centres = 40373
Carriageway = 7356
Transom overall = 10980
8850
Clear = 8621
17
23
75
2
730
730
10
18
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
MMD-322069-C-DR-GEN-XX-0007
B
As Shown
TYPICAL TEMPORARY BRIDGE
PINS SHEET 15 of 70
13/NG/0225
SHT 1 OF 1
20897 EN020001
ACAD
A1
Elevation
1 : 100
Typical Section: Temporary Bridge Example
(2 lanes)
1 : 50
1. All dimensions are in millimetres unless otherwise
stated.
2. Do not scale any items of information from this
drawing.
3. All structural arrangements of bridge shown
indicatively, dimensions subject to 3rd party
discussions, on site survey results and design
development.
4. Temporary bridge based on Mabey Universal
bridge information (received 21.05.2013)
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 15 OF 70
B
May 2014For DCO Submission
JAH LD JB
A
July 2013For Sec 42 Submission
JAH
60
0
Approx. 8000
3000 x 1800
Box culvert
(internal dimensions)
Existing ground level
Existing watercourse profile
(see Note 5)
Granular backfill and
foundation
(shown indicatively)
Road level
Potential cladding or concrete
treatment to suit landscaping
requirements
(T
BC
)
Vehicle restraint systems (shown
indicatively)
Proposed ramp
5% max. (s
ee Note 7) 5% max. (see Note 7)
Wingwall
(shown indicatively)
13485
Existing
watercourse
Top of river bank
12820
Trough
400 kV power cables in
trough
(CBS surround with
secured heavy duty lids)
Grassed paving to carry
transformer transporter
loading
5200* min.
5000#
Box culvert
Wingwall
(shown indicatively)
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Key
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
Notes
MMD-322069-C-DR-400UG-XX-0910
A
AS SHOWN
TOWERHEAD BROOK CABLE CROSSING
ELEVATION AND CROSS SECTION
(CULVERT OPTION)
PINS SHEET 16 OF 70
13/NG/0245
SHT 1 OF 2
20897 EN020001
ACAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 16 OF 70
Elevation (Looking West)
1 : 50
Typical Section
(Combined Transformer Access and Cable Bridge)
1 : 50
* Minimum cable separation based on initial discussions subject to
design development
1. All dimensions are in millimetres unless
otherwise stated.
2. This drawing to be read in conjunction with
Drawing Sheet 17 of 70.
3. Do not scale any items of information from this
drawing.
4. All structural arrangements of crossing shown
indicatively, dimensions subject to 3rd party
discussions, on site survey results and design
development.
5. Towerhead Brook profile based on Topographic
Survey Drawing dated 12/04/2013 provided by
National Grid.
6. Minimum requirement for slope transition to be
confirmed by transformer transporter.
7. Ramp: maximum gradient 5%, minimum
transition of 20m from 0 - 5%.
# Minimum construction/transformer access width based on initial
discussions subject to design development
2.5m5m0
1:50
MMD-322069-C-DR-400UG-XX-0910
Grasscrete
Concrete
CBS (Cement Bound Sand)
Sub-base
Existing watercourse
A
May 2014For DCO Submission
JAH LD JB
8000 3870058700
Existing ground
profile
Proposed ramp
max. gradient 5%
(see Note 7)
Proposed haul
road
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
Site Map
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
REPRODUCED FROM ORDNANCE SURVEY MAPS.
BY PERMISSION OF THE ORDNANCE SURVEY ON
BEHALF OF THE CONTROLLER HER MAJESTY'S
STATIONERY OFFICE. © CROWN COPYRIGHT
ORDNANCE SURVEY. OS LICENCE NO. 100048471
MMD-322069-C-DR-400UG-XX-0911
A
AS SHOWN
TOWERHEAD BROOK CABLE CROSSING
PLAN AND ELEVATION OF RAMP
(CULVERT OPTION)
PINS SHEET 17 OF 70
13/NG/0245
SHT 2 OF 2
20897 EN020001
ACAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 17 OF 70
1. All dimensions are in millimetres unless
otherwise stated.
2. Do not scale any items of information from this
drawing.
3. This drawing to be read in conjunction with
Drawing Sheet 16 of 70.
4. All structural arrangements of bridge shown
indicatively, dimensions subject to 3rd party
discussions, on site survey results and design
development.
5. Towerhead Brook profile based on Topographic
Survey Drawing dated 12/04/2013 provided by
National Grid.
6. Minimum requirement for slope transition to be
confirmed by transformer transporter.
7. Ramp: maximum gradient 5%, minimum
transition of 20m from 0 - 5%.
Proposed Ramp Elevation
1 : 200
Plan
1 : 500
Proposed Towerhead Brook
bridge structure
Proposed haul road
Proposed embankment
BANWELL
SANDFORD
10m20m0
1:200
25m50m0
1:500
MMD-322069-C-DR-400UG-XX-0911
A
May 2014For DCO Submission
JAH LD JB
60
0
TB
C
8000 (approx.)
Existing ground level
Existing watercourse profile (see
Note 5)
(TBC)
2000 min.
(TBC)
2000 min.
Locally sourced stone for
abutment cladding where
possible
Road level
Potential cladding or concrete
treatment to suit landscaping
requirements
Proposed ramp
Vehicle restraint systems (shown
indicatively)
5% max. (s
ee Note 7) 5% max. (see Note 7)
12820
11
00
Trough
400 kV power cables in
trough
(CBS surround with
secured heavy duty lids)
13285
Existing watercourse
Top of river bank
5200* min.
5000#
60
0
TB
C
Grassed paving to carry
transformer transporter
loading
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
Key
MMD-322069-C-DR-400UG-XX-0912
A
TOWERHEAD BROOK CABLE CROSSING
ELEVATION AND CROSS SECTION
(BRIDGE OPTION)
PINS SHEET 18 OF 70
13/NG/0246
SHT 1 OF 2
20897 EN020001
ACAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 18 OF 70
Elevation (Looking West)
1 : 50
Typical Section
(Combined Transformer Access and Cable Bridge)
1 : 50
* Minimum cable separation based on initial discussions subject to
design development
1. All dimensions are in millimetres unless
otherwise stated.
2. This drawing to be read in conjunction with
Drawing Sheet 19 of 70
3. Do not scale any items of information from this
drawing.
4. All structural arrangements of crossing shown
indicatively, dimensions subject to 3rd party
discussions, on site survey results and design
development.
5. Towerhead Brook profile based on Topographic
Survey Drawing dated 12/04/2013 provided by
National Grid.
6. Minimum requirement for slope transition to be
confirmed by transformer transporter.
7. Ramp: maximum gradient 5%, minimum
transition of 20m from 0 - 5%.
# Minimum construction/transformer access width based on initial
discussions subject to design development
2.5m5m0
1:50
MMD-322069-C-DR-400UG-XX-0912
Grasscrete
Concrete
CBS (Cement Bound Sand)
Sub-base
Existing watercourse
A
May 2014For DCO Submission
JAH LD JB
8000 3910059600
Existing ground
profile
Proposed ramp
max. gradient 5%
(see Note 7)
Proposed haul
road
NG INVESTMENT No. APPLICATION No.
NG DRAWING No. SCALE
ISSUE
TITLE:
ISSUE DATE COMMENTS CHK'D APP'DDRAWN
Notes
Key
Site Map
MMD DRAWING No.
COPYRIGHT NOT TO BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF THE NATIONAL GRID ELECTRICITY TRANSMISSION Plc
REPRODUCED FROM ORDNANCE SURVEY MAPS.
BY PERMISSION OF THE ORDNANCE SURVEY ON
BEHALF OF THE CONTROLLER HER MAJESTY'S
STATIONERY OFFICE. © CROWN COPYRIGHT
ORDNANCE SURVEY. OS LICENCE NO. 100048471
MMD-322069-C-DR-400UG-XX-0913
A
AS SHOWN
TOWERHEAD BROOK CABLE CROSSING
PLAN AND ELEVATION OF RAMP
(BRIDGE OPTION)
PINS SHEET 19 OF 70
13/NG/0246
SHT 2 of 2
20897 EN020001
ACAD
A1
NATIONAL GRID (HINKLEY POINT C CONNECTION PROJECT) ORDER
DESIGN DRAWINGS
(REGULATION 5(2)(o))
SHEET 19 OF 70
1. All dimensions are in millimetres unless
otherwise stated.
2. Do not scale any items of information from this
drawing.
3. This drawing to be read in conjunction with
Drawings Sheet 18 of 70.
4. All structural arrangements of bridge shown
indicatively, dimensions subject to 3rd party
discussions, on site survey results and design
development.
5. `Towerhead Brook profile based on Topographic
Survey Drawing dated 12/04/2013 provided by
National Grid.
6. Minimum requirement for slope transition to be
confirmed by transformer transporter.
7. Ramp: maximum gradient 5%, minimum
transition of 20m from 0 - 5%.
Proposed Ramp Elevation
1 : 200
Plan
1 : 500
Proposed Towerhead Brook
bridge structure
Proposed haul road
Proposed embankment
BANWELL
SANDFORD
10m20m0
1:200
25m50m0
1:500
MMD-322069-C-DR-400UG-XX-0913
A
May 2014For DCO Submission
JAH LD JB