New educational campus, to be delivered on a phased basis comprising 1 No. part 3 storey, 1,000 pupil Post Primary School (Firhouse Educate Together Secondary School: Roll No. 68307J) and includes accommodation for children with special educational needs, a multi-purpose hall and all ancillary teacher and pupil facilities with a gross floor area of c. 11,021 sq.m; The development will also include and permanently incorporate elements of the temporary two storey postprimary school development (permitted under An Bord Pleanála Ref: ABP-311141-21; South Dublin County Council Reg. Ref. SD21A/0137), including vehicular access from Oldcourt Road; 3 ball courts; 2 pedestrian and cyclist access points and 1 pedestrian only access point to the northern boundary of the site; car parking; surface water drainage; attenuation tanks; piped infrastructure and ducting; changes in level and all associated site development and excavation works above and below ground; The development will also include minor revisions to the previously permitted car parking area to allow for the provision of additional car parking spaces to serve the Post Primary School; The development will also include 3 additional ball courts and play areas; 1 storage building (c. 48 sq.m); car parking; electric vehicle charging points; bicycle parking; hard and soft landscaping; waste management provision; cycle and pedestrian routes; boundary treatments; ancillary ramps and stairs; signage; attenuation tank; PV panels; boiler and plant; surface water drainage and SuDS measures (including green roofs); 3 flag poles; street and security lighting; piped infrastructural services and connections; changes in level and all associated site development and excavation works above and below ground; The development will also consist of the retention of an ESB substation located to the south of the vehicular entrance at Oldcourt Road.