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PINS Update - September 2013 Consultation

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Hinkley Point C Connection project

Agenda

September Consultation PEIR – update on EIA since scoping request Update on other work Draft DCO Shadow HRA

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Shadow HRA Work with Local Authorities (PPA) Other Consents

Updated SOCC and Consultation Strategy

Formal Section 42 /47 consultation 8 week consultation from 3rd September to 29th October Newsletter sent will be sent to

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Newsletter sent will be sent to 40,000 people in consultation zone Letters & info to PILS Letters & info to other Statutory Consultees and non statutory consultees

Consulting and engaging

Exhibitions

Community forums

Q&As PILs events

Information Information Consultation vehicle

Events

Inspection

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Parish clusters

Local authority briefings

points hubs

Briefings Static information

Inspection boxes Dedicated meetings

Statutory consultees

MP briefings

Consultation Documents (1)

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Consultation Documents (2)

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The proposals

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Feedback

Seeking feedback on Route of overhead lines Design of pylons (T or lattice) Route of underground cables Layout of cable sealing end compounds

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Layout of cable sealing end compounds Layout of substations Construction and operation arrangements Responses by geographical area

Draft DCO

Early draft shared with PPA authorities Draft DCO and explanatory memorandum in suite of documents available. Draft DCO plans in suite of documents available.

The Proposed Development (1)

• Works to construct a new 400kV Teed circuit at Horsey Level including the construction and installation of two

new transmission pylons VQ 43R and VQ 44R, the installation of new 400kV electricity conductors between pylons VQ 42, VQ 43R, VQ 44R and connections into the new CSE compounds.

• Construction of two 400kV cable sealing end (CSE) compounds at Horsey Level
• The installation of approximately 300m section of 400kV underground cables between two CSE compounds on

Horsey Level near Bridgwater to allow the circuit to pass beneath existing overhead lines.

• New 400kV overhead line (ZGA) from the existing 275kV overhead line (which would be uprated to 400kV) on
• New 400kV overhead line (ZGA) from the existing 275kV overhead line (which would be uprated to 400kV) on

Horsey Level to the existing 400kV overhead line north of Woolavington. The route is approximately 4.5km in length.

• New 400kV overhead line (LD) from a point on the existing 400kV overhead line near Huntspill to a proposed

cable sealing end (CSE) compound south of the Mendip Hills adjacent to the M5. The route is approximately 12.5km in length.

• Construction of one Cable Sealing End Compound south of the Mendip Hills.
• The installation of two 400kV underground cable circuits approximately 8.5km in length from the from the

proposed CSE compound south of the Mendip Hills to a proposed 400/132kV substation constructed on land adjacent to Nye Road, Sandford, North Somerset (Sandford Substation).

The Proposed Development (2)

• Construction of a 400/132kV Substation on land adjacent to Nye Road, Sandford, North Somerset (Sandford

Substation).

• Construction of a 132kV connection between Sandford 132kV Substation and the existing 132kV AT Route. The

connection consists of approximately 600m of underground cable from Sandford 132kV Substation and 2.3km of

• verhead line commencing at pylon AT 25R together with the removal of a 1.1km section of the existing AT

132kV overhead line.

• Works to connect Sandford 132kV Substation to the existing 132kV N Route overhead line including a 132kV
• verhead line approximately 250m in length from the existing N Route together with the removal of a 400m

section of the existing N Route overhead line.

• Construction of 132kV overhead line and underground cable connections from the existing W and Y 132kV

Routes into Churchill 132/33kV Substation.

• Small extension at Churchill 132kV Substation to accommodate W and Y Route connections.

The Proposed Development (3)

• New 400kV overhead line between the proposed Sandford Substation and Seabank Substation. In sections F &

G there are two options for the overhead line: a proposed route via Portbury (Option A); and an alternative via Portishead (Option B). The route is approximately 29.6km (Option A) or 30.5km (Option B) in length.

• Removal of existing 132kV overhead lines between Bridgwater and Avonmouth substations comprising 47.8km
• f the F Route between Bridgwater Substation and Portishead 132kV Substation and 5.4km of the G Route

between Portishead 132kV Substation and Avonmouth 132kV Substation.

• Removal of 8.7km of an existing 132kV overhead line (the W Route) between Nailsea and Portishead 132kV

Substation.

• Installation of approximately 10km of 132kV underground cables between a cable sealing end platform pylon
• Installation of approximately 10km of 132kV underground cables between a cable sealing end platform pylon

(CSEPP) south west of Nailsea and Portishead 132kV Substation.

• Removal of a short section of an existing 132kV overhead line (the BW Route) at Portishead/Avonmouth (2
• ptions depending upon the route of the 400kV overhead line) and installation of 132kV underground cables in

its place together with connections to cable sealing end platform pylons.

• Removal of 1.7km of existing 132kV overhead line (the G Route) between Avonmouth 132/33kV Substation and

132kV pylon G31 and installation of approximately 2km of 132kV underground cables in its place together with connections to a cable sealing end platform pylon (CSEPP) and installation of single overhead line span from CSEPP G31R to existing pylon G32.

• Removal of each of the existing 132kV overhead lines (the G, DA and BW Routes) in the immediate vicinity of

Seabank Substation and installation of 132kV underground cables in their place together with connections to a CSEPP on the G, DA and BW Routes.

The Proposed Development (4)

• Modifications at Portishead 132kV Substation to allow replacement of existing overhead line

connections into the substation with cable connections. connections into the substation with cable connections.

• Modifications at Avonmouth132kV Substation to allow replacement of existing overhead line

connections into the substation with cable connections.

• Modifications to Seabank 132kV Substation to accommodate the G, DA and BW Route

132kV undergrounding.

• Extension of the existing 400kV substation at Seabank to connect the new 400kV overhead

line.

• Construction of a 400kV substation at Aust, South Gloucestershire.

The Proposed Development (5)

• Modifications to existing overhead lines in the vicinity of the proposed Hinkley Point C Power

Station consisting of:

• The construction and installation of a 400kV overhead line between pylon ZZ 7 and Shurton
• substation. The route is approximately 1.8km in length. Removal of 1.4km of existing ZZ
• verhead Line.
• The construction and installation of a 400kV overhead line between pylon VQ 4 and Shurton
• substation. The route is approximately 1.7km in length. Removal of 0.9km of existing VQ
• Construction and installation of temporary overhead line diversions including the construction of

temporary masts to facilitate the construction of the Proposed Development.

• Associated works, including temporary access roads, highway works, construction compounds,

(with office accommodation, material, plant and equipment storage and welfare facilities), work sites and ancillary works.

• substation. The route is approximately 1.7km in length. Removal of 0.9km of existing VQ
• verhead line
• The construction and installation of a new 400 kV overhead line between Hinkley B substation and

Shurton substation. The route is approximately 1km in length.

PEIR

Issues raised in Scoping Opinion NG response documented in PEIR Schedule at start of each PEIR topic area chapter- explains how the issue has been considered.

Documents

Draft DCO Plans Project split into 65 sheets Section 42 – total 585 sheets (land, works, environmental etc) Application – circa 775 sheets PEIR PEIR Main Document - 1540 pages Figures - 1473 pages Appendicies 2972 pages (+ 7466 pages of geology) Total: 5994 (13,460 including geology)

Shadow HRA

Draft HRA document available as part of PEIR Discussions ongoing with Natural England

Local Authorities

Ongoing discussions regarding proposed development and EIA. Extended PPA work packages up to DCO submission, including statements of common ground and section 106 agreements. 106 agreements. Bristol City Council to now join the PPA

Other Consents

Other issues we are currently looking at include. EA - Flood Defence Consents IDBs – permanent and temporary ditch crossings Natural England – working in SSSI Natural England – working in SSSI MMO – marine licence (for River Avon) Natural England - Protected species licences

Review proposals based on feedback Prepare application documents including Consultation Report Complete environmental studies and technical assessments

Next steps

Ongoing discussions with Statutory Consultees [ statements of common ground and S106]

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and S106]

Any questions

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