Main development site: operational infrastructure and Sizewell B relocation works Main development site: operational infrastructure and Sizewell B relocation works

An electricity generating station with a net electrical output of approximately 3,340MW power generated by two nuclear reactor units, to include—

(a)

buildings, structures and plant within the ’nuclear islands’ for Units 1 and 2, including—

(i)

two reactor buildings;

(ii)

two fuel buildings;

(iii)

two fuel building halls;

(iv)

two boron storage buildings;

(v)

eight safeguard buildings;

(vi)

two nuclear auxiliary buildings;

(vii)

two nuclear auxiliary building stacks;

(viii)

two access towers;

(ix)

radioactive waste storage building;

(x)

radioactive waste process building;

(xi)

radioactive waste treatment building;

(xii)

hot laundry building;

(xiii)

hot workshop, hot warehouse, facilities for decontamination;

(xiv)

effluent tanks and refuelling water tanks;

(xv)

four emergency diesel generator buildings and twelve associated stacks;

(xvi)

two ’type 1’ cooling water discharge weir buildings; and

(xvii)

two ’type 2’ cooling water discharge weir buildings;

(b)

buildings, structures and plant within the ’conventional islands’ for Units 1 and 2, including—

(i)

two turbine halls;

(ii)

two sky bridges;

(iii)

two conventional island electrical buildings;

(iv)

two gas insulated switchgear buildings;

(v)

two main transformer platforms;

(vi)

four unit transformer platforms;

(vii)

two auxiliary transformer platforms; and

(viii)

six monopoles;

(c)

operational service centre;

(d)

four electricity transmission towers / pylons inside the powers station’s security fence and associated transmission infrastructure;

(e)

buildings, structures and plant within the ’cooling water pumphouse and associated buildings’ for Units 1 and 2, including—

(i)

two cooling water pumphouses;

(ii)

two forebays;

(iii)

two outfall pond buildings;

(iv)

two filtering debris recovery pits; and

(v)

two fire-fighting water distribution buildings;

(f)

intermediate level waste store;

(g)

interim spent fuel store;

(h)

buildings, structures and plant within the ’ancillary structures’, including (but not limited to)—

(i)

main access control building;

(ii)

auxiliary administration building;

(iii)

secondary access control building;

(iv)

emergency response centre;

(v)

emergency response energy centre;

(vi)

meteorological station;

(vii)

demineralisation station;

(viii)

valve room for the demineralisation station;

(ix)

auxiliary boilers;

(x)

hydrogen storage;

(xi)

oxygen storage;

(xii)

hydrazine storage;

(xiii)

chlorination plant;

(xiv)

service ventilation building;

(xv)

raw water & potable water storage/supply building;

(xvi)

degassed water storage tanks;

(xvii)

cooling water discharge shaft;

(xviii)

chemical products storage;

(xix)

garage for handling materials;

(xx)

oil & grease storage;

(xxi)

contaminated tools store;

(xxii)

warehouse;

(xxiii)

sewage treatment plant;

(xxiv)

conventional island water tanks;

(xxv)

nuclear island water tank;

(xxvi)

conventional waste storage;

(xxvii)

transit area for very low and low level waste;

(xxviii)

service access buildings;

(xxix)

battery load banks;

(xxx)

interim spent fuel store equipment storage building; and

(xxxi)

emergency equipment store.

(i)

132kV substation and associated compound;

(j)

off-site delivery check point, associated buildings, structures and plant;

(k)

permanent vehicular and pedestrian bridge over Sizewell Marshes SSSI, preceded by a temporary crossing.

(l)

permanent beach landing facility;

(m)

soft coastal defence feature;

(n)

permanent hard coastal defence feature, preceded by a temporary hard coastal defence feature;

(o)

buildings, structures and plant, including a new National Grid substation building, plant, equipment and apparatus, alterations to the existing National Grid substation building, plant, equipment and apparatus, and associated diversion of transmission infrastructure;

(p)

one electricity transmission tower /pylon outside the power station’s security fence, and associated transmission infrastructure including overhead line conductors;

(q)

770 permanent operational parking spaces and 600 outage parking spaces;

(r)

removal of an existing transmission tower / pylon and associated transmission infrastructure;

(s)

realignment of Sizewell Drain and associated works;

(t)

perimeter below-ground cut off-wall, including associated dewatering of the contained area;

(u)

drainage outfall tunnels comprising—

(i)

combined drainage outfall tunnel (continuing as Work No. 2K); and

(ii)

temporary marine outfall;

(v)

power station main access road;

(w)

1,000 temporary car parking spaces and 75 temporary HGV parking spaces;

(x)

temporary freight management facility, 80 HGV parking spaces and associated infrastructure;

(y)

temporary park and ride facility, 600 associated car parking spaces, 20 bus spaces, a terminal area and associated infrastructure;

(z)

temporary water resource storage area;

(aa)

temporary marine bulk import facility;

(bb)

improvement works to Kenton Hills Car Park to include provision of up to 15 additional parking spaces;

(cc)

flood mitigation area and associated habitat;

(dd)

serviced pitches for up to 400 caravans and 400 temporary car parking spaces;

(ee)

bat barn;

(ff)

temporary junction onto King George’s Avenue;

(gg)

temporary junction onto Valley Road

(hh)

temporary junction onto Lovers Lane;

(ii)

temporary desalination plant and associated infrastructure;

(jj)

temporary desalination plant outfall tunnel (continuing as Work No. 2O); and

(kk)

temporary desalination plant intake tunnel (continuing as Work No. 2M).

The location of the above works is shown on sheet nos 1-5 and 7-8 of the Works Plans.

Work No. 1B

New permanent four arm roundabout at B1122 Abbey Road including one site access point, plus a second temporary site access point using an additional temporary arm.

The location of the above works is shown on sheet nos 1 and 8 of the Works Plans.

Work No. 1C

Works associated with Lovers Lane, to include—

(a)

realignment of the junction of the B1122 Abbey Road and Lovers Lane;

(b)

realignment of Lovers Lane;

(c)

provision of a mammal culvert under Lovers Lane; and

(d)

creation of a right turn into Leiston Household Waste Recycling Centre.

The location of the above works is shown on sheet nos 3, 7 and 8 of the Works Plans.

Work No. 1D

Works associated with the relocation of certain Sizewell B power station facilities, to include—

(a)

outage store building;

(b)

outage laydown area;

(c)

training centre;

(d)

up to 112 operational car parking spaces and access roads;

(e)

up to 576 outage car parking spaces;

(f)

visitor centre;

(g)

administrative buildings to include workshops, civils store, office accommodation and general store;

(h)

storage, canteen and welfare facilities; and

(i)

outage car park access roads.

The location of the above works is shown on sheet nos 2, 4 and 5 of the Works Plans.

Work No. 1E

Works associated with the relocation of certain Sizewell B power station facilities, to include—

(a)

outage store building;

(b)

outage laydown area;

(c)

training centre;

(d)

up to 579 operational car parking spaces and access roads;

(e)

visitor centre;

(f)

administrative buildings to include workshops, civils store, office accommodation and general store; and

(g)

storage, canteen and welfare facilities.

The location of the above works is shown on sheet nos 2, 4 and 5 of the Works Plans.