Planning precedent report

• Demolition of 2 no. existing residential dwellings and ancillary structures to the east of the site (c.344qm total floor area); • Construction of 2 no. data hall buildings (Buildings A and B) comprising data hall rooms, mechanical and electrical galleries, ancillary offices including meeting rooms, workshop spaces, staff areas including break rooms, toilets, shower/changing facilities, storage areas, lobbies, outdoor staff areas, loading bays and docks, associated plant throughout, photovoltaic panels and screened plant areas at roof levels, circulation areas and stair and lift cores throughout; • External plant and 58 no. emergency generators located within a generator yard to the east and west of Buildings A and B at ground level. The area is enclosed by a c.6.5m high louvred screen wall; • The proposed data halls (Buildings A and B) are arranged over 3 storeys with a gross floor area of C.37,647sqm each; • The overall height of the data hall buildings is c28m to roof parapet level and c32m including roof plant, roof vents and flues. The total height of Buildings A and B does not exceed 112m OD (above sea level); • The proposed development includes the provision of a temporary substation (c.32sqm), water treatment building (c. 369sqm and c.7.7m high), 7 no. water storage tanks (2,800m3 in total and c.6.4m high each), 2 no. sprinkler tanks (c.670m3 each and c.7.9m high each) with 2 no. pump houses each (c.40sqm and c. 6m high each); • The total gross floor area of the data halls and ancillary structures is c.75,775sqm; • All associated site development works, services provision, drainage upgrade works, 2 no. attenuation basins, landscaping and berming (c.6m high), boundary treatment works and security fencing up to c.2.4m high, new vehicular entrance from the North Road, secondary access to the south west of the site from the existing private road, all internal access roads, security gates, pedestrian/cyclist routes, lighting, 2 no. bin stores, 2 no. bicycle stores serving 48 no. bicycle spaces, 208 no. parking spaces including 10 no. accessible spaces, 20 no. electric vehicle charging spaces and 8 no. motorcycle spaces; • Existing electricity overhead lines traversing the site will be undergrounded under concurrent application Ref. FW21A/0144; • A proposed 220kv substation located to the south west of this site will be subject of a separate Strategic Infrastructure Development application to An Bord Pleanála under section 182A of the Planning and Development Act 2000 (as amended); • An Environmental Impact Assessment Report (EIAR) is submitted with this application. AI received 11/02/2022 AI deemed significant ** revised public notices 24/2/2022

The development will consist of the installation of electrical infrastructure between Finglas substation and Huntstown Power Station to facilitate the retirement of existing Electricity Supply Board overhead powerlines and facilitate site clearance for the future development of a data centre and substation (subject to separate planning applications). This will include (i) the installation of approximately three underground cable circuits of 1.2km length (110kV) and one circuit 1.2km length (38kV) and associated underground ducting, joint bays and infrastructure between the existing ESB Finglas substation and an agreed location within Huntstown Power Station (ii) installation of one c.28m double circuit 110 kV cable end tower and one c.17 single circuit 110kV angle mast (iii) removal of 10Nr. existing 110kV timber polesets, 9 Nr. existing 38kV timber polesets, 3 Nr. 38kV lattice steel tower & associated overhead line electrical infrastructure; all associated and ancillary site development, landscaping and construction works, all within the townlands of Johnstown, Huntstown, Coldwinters & Balseskin at Blanchardstown & Finglas, County Dublin. An Environmental Impact Assessment report (EIAR) has been prepared and will be submitted to the Planning Authority with the planning application.

Amendments to Planning Permission reference F17A/0769 as granted. The

Development will consist of the construction of two single storey unit

The proposed development consists of a photovoltaic array (443.9m2) on the roof of the existing building, and all associated infrastructure. AI received 02/12/22

The proposed development consists of permission relate to Unit 1 only; installation high level building signage to the east and west facing façades along the M2 and R135 and one signage to the south façade and all associated works.