The development comprises the retention of the following amendments to the development permitted under Reg. Ref.: SD20A/0309, as amended by Reg. Ref.: SD22A/0093 and Reg. Ref.: SD23A/0158, which arose during the detailed design / construction stage of the project: Amendments at plant and roof level including the reconfiguration of plant and associated extracts, provision of a roof level package plantroom, provision of 2 no. backup landlord generators, reconfigured gantry associated with the 2 no. back-up landlord generators, and reconfiguration of solar PV panels; The provision of 2 no. pumproom buildings to accommodate process water and fire water with a gross floor area (GFA) of c. 44 sq.m and c. 105 sq.m; The provision of underground water process tanks located to the south of ICT Facility 1; The provision of a wastewater treatment skid located to the west of ICT Facility 1; Reconfiguration of car parking spaces resulting in an overall reduction of 1 no. car parking spaces from 44 no. car parking spaces to 43 no. car parking spaces; Relocation of permitted cycle parking from the north of ICT Facility 1 to the south of ICT Facility 1; Amendments to fenestration and arrangement of façade treatment to ICT Facility 1 and minor reconfiguration of the internal layout; and All associated and ancillary works. An EPA-Industrial Emissions Directive (IE) licence is required to facilitate the operation of the development.

The proposed development includes retention permission for the reorientation of the gas AGI (above-ground installation) compound permitted under SDCC Reg. Ref.: SD23A/0158 and to retain an existing Gas AGI skid located to the north of the gas AGI compound. The development also includes the retention and completion of an extension to the existing Gas AGI compound to the south, to provide for a pressure regulating and metering station (PRMS) compound area. The PRMS compound extension comprises the following buildings and gas related infrastructure:•Skid House structure with a total area of c. 118 sq.m and overall height of c.3m. •E&I Kiosk with a total area of c. 11 sq.m and overall height of c. 2.7m •Boiler House comprising 2 no. individual units (Boiler House 1 & Boiler House 2) both with an area of c. 22 sq.m and overall height of c.3m. •Gas Quality Building with a total area of c. 3 sq.m and overall height of c. 2.4.m • All associated and ancillary works including valves and pipework, site lighting, boundary treatments, landscaping, drainage and infrastructure. The proposed development is located within a site which is subject to an EPA Industrial Emissions (IE) Directive license.

Permission and retention permission is sought for the following development: Permission for an ancillary generator structure with a total height of c. 22m located between ICT Facility 2 and ICT Facility 3 including 13 no. double-stacked back-up generators with flues of c. 25m, fuel storage, transformers, and associated electrical equipment and plant. Permission for 13 no. ancillary generators within a fenced compound, with a total height of c. 8.1m located to the north of ICT Facility 3, including 13 no. back-up generators with flues of c. 25m, fuel storage tanks and fuel pump room building, transformers, and associated electrical equipment and plant. The primary fuel for the proposed back-up generators will be Hydrogenated Vegetable Oil (HVO). Permission for associated works including services connections, boundary treatments, lighting, and all ancillary works. Permission for reconfiguration of car parking spaces and the retention of 10 no. car parking spaces to the west of ICT Facility 3, resulting in an overall reduction of 8 no. car parking spaces. Retention permission for 4 no. existing water tanks with a total height of c.9.2m and an existing water processing building with a total height of c. 5.1m, located between ICT Facility 2 and ICT Facility 3. Retention permission for 1 no. sprinkler tank with an overall height of c. 8.1m and a single storey pump room with a total height of c. 3.2m to the north of ICT Facility 3. An EPA-Industrial Emissions Directive (IE) license is required to facilitate the operation of the proposed development.

The development proposed will supersede the permitted ICT Facility 4 under Reg. Ref.: SD20A/0309, as previously amended under Reg. Ref.: SD22A/0093 and Reg. Ref.: SD23A/0158. A five-year planning permission is sought in respect of this proposed development. The proposed development comprises the following: • Construction of an ICT Facility Building (ICT Facility 4), with a Gross Floor Area (GFA) of 15,744 sq.m and a parapet height of c. 21.80m (with flues located at roof level, c. 4.5m over parapet height), over 3 no. levels, located in the southern portion of the wider landholding. This ICT Facility includes an associated external plant area of c. 1,796 sq.m over two levels, accommodating 22 no. emergency generators and associated flues. • The ICT Facility building will accommodate ICT equipment halls, associated electrical and mechanical plant rooms, loading bays, maintenance and storage space, office administration areas and screened plant. • Construction of ancillary structures including a guard hut, fire hydrant water storage tanks, fire hydrant pump plantroom, water mist fire protection pump plantroom and water tanks, and cold water plantroom to the west of the proposed ICT Facility 4. • Construction of a revised internal road network and circulation areas to serve ICT Facility 4, footpaths, provision of 25 no. car parking spaces (including 2 no. disabled parking bays) and 18 no. cycle parking spaces within a bike shelter. • Lighting, boundary treatments and all ancillary and associated development (including the construction of an underground foul and storm water drainage network, and utility cables). • Hard and soft landscaping and planting, lighting, screening, and all associated works, including underground foul and storm water drainage network, boundary treatments and security fencing, attenuation areas, and utility cables. An EPA-Industrial Emissions Directive (IE) licence will be required to facilitate the operation of the proposed development.

Alterations to the development permitted under Reg. Ref.: SD18A/0068, as previously amended under Reg. Ref.: SD19A/0185 and Reg. Ref.: SD20A/0242, and to the development permitted under Reg. Ref.: SD20A/0309, as previously amended under Reg. Ref.: SD22A/0093. The proposed alterations in summary comprise the provision of an altered energy centre design and all associated development, along with minor alterations to the permitted site layout, provision of a gas AGI, and all ancillary works. The development, for which a 5-year planning permission is sought, will comprise the following: Construction of a revised energy centre in the western part of the subject site, to accommodate alternate generation technology, including 10 no. gas generation turbines (all with associated flues, 8 no. c. 33 metres (m) in height and 2 no. c. 15 m in height), 2 no. steam turbines including 2 no. steam turbine generator enclosure buildings with a gross floor area (GFA) of 219 sq.m each and a height of c. 6.2 m, associated steam turbine generator distribution and control structure with a GFA of 84 sq.m and an overall height of c. 4.2 m, and 2 no. steam turbine / air cooled condenser structures with a height of c. 25.4 m. Construction of 8 no. 33/20kV transformer bays to the southeast of the energy centre, with a further 12 no. gas / steam transformers to serve the proposed turbines to the west of the energy centre. Provision of 3 no. 13.6 m high fuel storage tanks, a fuel oil enclosure building (with a GFA of 50 sq.m and an overall height of c. 3.8m), a fire pump enclosure building (with a GFA of 65 sq.m and an overall height of c. 3.2 m) along with 3 no. c. 14.1 m high sprinkler tanks, a c. 14.5 m high water tank, and a water treatment plant building (with a GFA of 218 sq.m and a maximum height of c. 17 m including rooftop plant). Provision of 6 no. black-start / emergency generators to the south of the energy centre with an overall height of c. 5 m; Provision of a single storey over basement level powertrunk building (with a GFA of 932 sq.m and an overall height of c. 4.1 m) to the southeast of the proposed energy centre. Provision of a 3-storey over basement medium voltage / low voltage building (with a GFA of 3,161 sq.m and an overall height of c. 16.3 m) to the southwest of the proposed energy centre. Provision of 2 no. transformers adjacent to the substation constructed under Reg. Ref.: SD18A/0068, as amended by Reg. Ref.: SD19A/0185 (located to the southwest of the proposed energy centre). Provision of a guard hut with a GFA of 21 sq.m and with a height of c. 3.2m, to the west of the medium voltage / low voltage building. Provision of a Gas AGI (above-ground installation) to the southwest of the subject site within a fenced compound, accommodating a single storey control room building with a GFA of 10 sq.m and overall height of c. 3 m, a plant kiosk with a GFA of 17 sq.m and an overall height of c. 3 m, and a boiler house with a GFA of 13 sq.m and an overall height of c. 3m. Reorientation of permitted ICT Facility Building No. 4 to accommodate the revised energy centre layout (with no other change to this permitted building). Associated and ancillary alterations to the site layout relating to landscaping, parking (including 18 no. car parking spaces, and bicycle parking within a covered bicycle shelter to serve the energy centre) and roads layouts, lighting and services, boundary treatments, drainage, landscaping, and all associated and ancillary works. An Environmental Impact Assessment Report (EIAR) will be submitted to the Planning Authority with the planning application and the EIAR will be available for inspection or purchase at a fee not exceeding the reasonable cost of making a copy at the offices of the Planning Authority. An EPA-Industrial Emissions Directive (IE) licence will be applied for to facilitate the operation of the proposed development.

4 2-storey, 3 bedroom houses including parking and related infrastructural works, alterations and widening of existing vehicular access gateway at the front of the site onto Crag Avenue within the curtilage of the Protected Structures at No's 6 & 7 Ballymanaggin Lane (RPS reference numbers are 117 & 121 respectively).

Amendments to the development permitted under Reg. Ref. SD20A/0309 comprising: alterations to permitted ICT Facility buildings 2 and 3, to include internal reconfiguration of the ICT equipment halls, associated electrical and mechanical plant rooms, loading bays, maintenance and storage space, office administration areas, and reconfiguration of screened plant; alterations to the external facades of permitted ICT Facility buildings 2 and 3 to include modification and reconfiguration of fenestration, louvers, loading bays, and access doors, along with an increase in height of 1.2 metres to main parapet level and reduction in the height of rooftop plant to not exceed the parapet height of the buildings, along with the omission of previously permitted flues and exhaust ducts at roof level; omission of emergency generators and associated flues from permitted ICT Facility buildings 2 and 3; The proposed amendments to ICT Facility buildings 2 and 3 result in an increase in their gross floor area (GFA) of 2,511sq.m for each building, resulting in an overall increase in the GFA of the two buildings of 5,022sq.m; Alterations to the water storage tanks serving the permitted ICT Facility buildings, including total increase of 268 sq.m GFA to the permitted pumprooms and a reduction in the scale of the associated water storage tanks. All associated and ancillary works; The application site is subject to an EPA Industrial Emissions Licence relating to the Energy Centre permitted on site (under Reg. Ref.: SD18A/0068 as amended by Reg. Ref.: SD19A/0185).

Retention permission and continuation of use of a former double height warehouse within their building as 426.6sq.m of office use, over two floors as well as all associated and ancillary elevation changes.

Provision of 4 new information and communications technology (ICT) Facility buildings and associated development at the subject site, superseding elements of the extant planning permissions on site (Reg. Ref.: SD18A/0068 and Reg, Ref.: SD19A/0185). The application site is subject to an EPA Industrial Emissions Licence (Ref. No,: P1113-01) relating to the Energy Centre permitted on site, The single storey Energy Centre, gas pressure reduction station, and 110kV Gas Insulated Switchgear (GIS) substation permitted under Reg, Ref.: SD18AI0068 and Reg. Ref.: SD19AI0185 will be constructed as previously approved and are not affected by the current application. The proposed development will comprise the following: The construction of 4 ICT Facility buildings (ICT Facilities 1, 2, 3, and 4) with a combined total gross floor area {GFA) of c. 47,564.5 sq.m, Each ICT Facility building includes associated external plant areas, totalling c, 20,649.5 sq,m, ICT Facilities 1, 2, and 3 will be located in the eastern portion of the site, and each comprise a GFA of c. 15,196 sq.m (including ancillary office and administration space) over part two and part three levels with a maximum height of c, 25 metres and a parapet height of c, 19.5 metres, Each of the ICT Facilities will include an associated external plant area of c, 6,624 sq,m, ICT Facility 4 will be located in the southern portion of the site and comprises a GFA of c, 1,976.5 sq,m (including ancillary office and administration space) over two levels with a maximum height of c, 15 metres and a parapet height of c. 10.5 metres, This ICT Facility includes an associated external plant area of c. 777.5sq.m, Each ICT Facility building will accommodate ICT equipment halls, associated electrical and mechanical plant rooms, loading bays, maintenance and storage space, office administration areas, and screened plant. Construction of internal road network and circulation areas, footpaths, provision of 153 no. car parking spaces and 54 no, cycle parking spaces. Connections to vehicular access routes, roads, services and permitted infrastructure relating to the Energy Centre and 110kV GIS substation permitted under Reg, Ref.: SD18A/0068 and Reg, Ref.: SD19A/0185. Provision of emergency generators with associated flues, water storage tanks and associated pump rooms (comprising 150 sq,m in total) to serve each of the proposed ICT Facility Buildings. Hard and soft landscaping and planting, lighting, and all associated works, including underground foul and storm water drainage network, boundary treatments and security fencing, attenuation areas, and utility cables.

The provision of alternate entrance and access arrangements from Crag Avenue to serve the permitted data storage centre, energy centre and substation development permitted under Reg. Ref. SD18A/0068, as amended by Reg. Ref. SD19A/0185 including the provision of ducted services connections between the permitted substation on site (permitted under Reg. Ref. SD18A/0068 as amended by Reg. Ref. SD19A/0185) and existing services to the south of the Grand Canal. The proposed ducted services connections will exit the permitted substation compound and run southward, crossing beneath the Grand Canal by way of a horizontal directional drill, before proceeding east and west to connect to existing services located to the south of the Grand Canal. This proposed development is also located on lands within the Grand Canal Corridor to the north of the R134 Regional Road, Clondalkin, Dublin 22.

Retention of replacement single storey pitched roof office building (183.7sq.m) and associated site works; the original flat roofed office building comprised 132sq.m; totem sign 1.37m wide x 5m high.