Planning precedent report

PERMISSION for development at this site at Grange Castle Business Park. The site is located within the Microsoft Grange Castle Campus and adjoining the existing substation. The development will consist of revisions to parent permission SDCC Reg. Ref. SD24A/0188W to include the following: Removal of internal mezzanine floor level (175sqm). Removal of internal staircase. Introduction of external staircase to be located adjacent the south façade and enclosed in screening panels. All other developments as permitted under the SDCC Reg. Ref. SD24A/0188W: A permitted storage facility (approx. c.401sqm and c.14m in height) and set down area to house machinery for the ongoing maintenance of the existing Microsoft Grange Castle Campus. All associated landscaping, site development works, site lighting, boundary treatments and all other ancillary works.

Microsoft Ireland Operations Ltd. intend to apply for PERMISSION for development at this site at Grange Castle Business Park, New Nangor Road (R134), Clondalkin, Dublin 22. The site is located within the Microsoft Grange Castle Campus and adjoining the existing substation. The development will consist of a storage facility (approx. c.401sqm and c.14m in height) and set down area to house machinery for the ongoing maintenance of the existing Microsoft Grange Castle Campus. All associated landscaping, site development works, site lighting, boundary treatments and all other ancillary works.

Demolition of existing single storey vacant house, garage and outhouse (total gross floor area (GFA) c.291.2sq.m) and removal of existing temporary construction car park; Construction of a single 1-4 storey Central Administration Building and 2 2-storey (with mezzanine) data centres (DUB14 & DUB15) all to be located west of data centres DUB9, DUB10, DUB12 & DUB13 within the MS campus; The Central Administration Building (c.6.03m to c.19.85m high) will comprise central office administration, with staff cafeteria, staff gym and reception (GFA c.3,520sq.m), with provision of PV panels on the roof; each data centre (c.15.6m high to parapet height and c.18.65m to top of roof plant) will include data halls, admin blocks (comprising offices, canteen, loading dock, storage and ancillary areas) and a variety of mechanical and electrical plant areas/structures including Modular Electrical Rooms (MERs), battery rooms and transformer areas. GFA of DUB14 is c.28,072sq.m and GFA of DUB15 is c.28,173sq.m (c.56,246sq.m in total); DUB14 will also include 21 diesel generators and associated sub-stations (E-houses) and 11 mechanical flues (each c.30.75m high); Provision of a gas generator compound (to serve DUB15) containing 20 generators, 5 E-houses and 5 flues (c.25m max height); Provision of a Gas Networks Ireland gas skid including 3 kiosk buildings; Expansion of existing electrical sub-station compound (originally granted under SD07A/0632) to provide 3 additional transformer bays. 3 E-houses and 1 control room, 2 auxiliary transformers; 2 sprinkler tank and pump house areas, 1 additional rainwater harvesting plant; Provision of 168 permanent car parking spaces and 40 cycle parking spaces; Provision of additional western access to the MS campus (to serves the Central Administration Building) from the Business Park estate road (including bridge over the Griffeen River) with existing temporary access to be extinguished; Physical integration with the remainder of the existing MS campus (including internal access roads and landscaping) with associated modifications to the western boundary of the DUB09/DUB10/DUB12/DUB13 data centre development as permitted under SD16A/0088; Provision of a new temporary construction car park (with 802 car spaces, shuttle bus stop and shelter) on site north of the main entrance to the business park; Total gross floor area of the development will be c.59,766sq.m; All associated site development works, drainage and services provision, landscaping, boundary treatments (including security fencing) and associated works; An Environmental Impact Assessment Report (EIAR) has been submitted with this application; The application relates to a development which comprises an activity requiring an integrated pollution prevention and control (IE) licence.

Provision of an establishment to which to European Communities (Major Accident Hazards involving Dangerous Substances) Regulations 2006 as amended by Chemicals Act (Control of Major Accident Hazards involving Dangerous Substances) Regulations 2015 apply, constituting a change of use; The new establishment will include all the existing and permitted buildings (SD13A/0143 as amended by SD13A/0265, SD14A/0194 as amended by SD15A/0343, SD16A/0088 as amended by AD17A/0318 & SD20A/0283, SD21A/0203 & SD21A/0288, all within an existing campus; The proposal relates to the total quantum of fuel oil to be stored within existing and permitted tanks across the existing and permitted buildings; For the avoidance of doubt no works or physical development is proposed and the application relates to an existing development which comprises or is for the purpose of an activity requiring an integrated pollution prevention and control (IE) licence.

Amendments (2,186sq.m) approx. to previous Planning Ref; SD16A/0250 and amendments (188.2sq.m) approx. to previous Planning Ref: SD13A/0186. Previous Planning Ref’s also include SD15A/0243 and SD15A/0352. The amendments proposed to previous Planning Ref: SD16A/0250 include: relocation of part of the 2.4m high north boundary fence and associated works to landscaping, relocation of proposed feature trees within the site, relocation of proposed pedestrian gate within north boundary fence and re-routing of pedestrian/cycle path (pursuant to Condition 2(e) of SD16A/0250); removal of 2 bicycle shelters, additional louvres, service openings and doors to the production building façade with a cumulative area of (107sq.m) approx; relocation of doors to boiler house; allocation of internal floor slab area (288sq.m) to first floor production building and (10sq.m) to second floor; alterations with a total area (724sq.m) approx. to double height platform, pipe-bridge and single height platform to service yard with approximate overall heights of (11m, 10.5m and 6.4m) respectively; proposed amendments to tank yard with (13.5m) approx. max. tank height; proposed increase in flue heights to (16m) approx. and an additional 3m high fence with gates to service yard. A proposed tank enclosure and hard-standing of (101sq.m) approx. and 3m high fence is proposed to the east side of the Link Corridor with a tank height of 8.5m approx. A refuse storage area 6.5m high with approx. footprint of (427sq.m), 111sq.m of which is fully enclosed and all associated drainage and site-works is proposed to eastern boundary of the service yard. Material alterations of (449sq.m) approx. is proposed to the east façade of link corridor and approx. 80sq.m to south façade of boiler house. Amendments to previous Planning Ref: SD13A/0186 include: increased area of approx. (17sq.m) to set-down area at existing south site entrance and proposed pedestrian route with demarcation to road, new pedestrian gate 2.4m high within south boundary fence and proposed footpath and access gate within existing security hut guarding with combined area of approx. (23sq.m); proposed 3m high panel screening with sliding gates (31sq.m) approx. to existing compactor area and all associated site-works. All proposed amendments are on an 11 hectare site.

Erect 329sq.m or 67.34 KWp of photovoltaic panels on the roof of the building DUB12 in data centre; all associated site works.