Planning precedent report

PROTECTED STRUCTURE: The Provost, Fellows, Foundation Scholars and the other members of the Board of the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin, intend to apply for permission for development at the Old Library (a Protected Structure ) and Berkeley Library (a Protected Structure) Trinity College Dublin, The University of Dublin, College Green, Dublin 2. The development will consist of refurbishment, demolitions, alterations, introduction of building services and fire protection measures to both to the Old Library (a Protected Structure, RPS 2004) and Berkeley Library (a Protected Structure, RPS 2005), below-ground additions beneath Fellows' Square with a new entrance structure, reconfiguring of external stairs and ramps, and change of use of part of the podium interior from ancillary library use to tourism use. This application seeks permission for the following works: 1. Works to the Old Library (a Protected Structure) to include: • External Works: Removal of non-historic steps, ramp and guardrail at Fellows' Square entrance, and replacement of the non-historic door with fire-exit doors; Removal of the existing steps at the Library Square entrance and replacement of the ary Podium; Refurbishment of historic facades, windows and roof, replacement of rooflight glazing and provision of new ventilation louvres. • Substructure Works; Underpinning of section of the existing building to provide for new services connection to Ground Floor Arcade, West and East Pavilion and new basement under the East Pavilion and modified link to the Berkeley Library and to 1937 Reading Room. • Long Room- Removal of non-historic central stair, introduction of trench-heating grilles in floor and extract air slot in gallery level alcove vaults, replacement of linoleum floor covering and window blinds, providing new natural light controls, insertion of new fire-resisting doors to East and West Pavilions retaining historic doors, replacement of rope lines with new exhibition information plates, general refurbishment works. Relocation of existing lift access doors from East Pavilion within the Long Room. Replacement of non-historic door at gallery level to East Pavilion with door to historic design. • Ground Floor Arcade - Removal and modification of non-historic floor, retaining and relocating surviving areas of historic paving, removal of mezzanine, shelving, library storage and partitions in the ground floor area to allow for new circulation strategy and configuration of rooms. Modification of 1 no. historic opening and forming 1 no. new opening in historic fabric. Provision of new central spine wall and new service risers. Provision of new raised floor and services floor zone to the South of 'spine wall'. Relocation of reading rooms from upper floors to new Research Collection Study Centre to the north side of spine wall and new Book of Kells exhibition to the south of spine wall. Provision of new services, partitions, ceilings, floor finishes and sanitary facilities; Relocation of 2 no. previously moved historic doorsets. • Interventions to West Pavilion- Replacement of the non-historic service stair and lift; Enlargement of previously relocated door opening, provision of new door openings to service stair and lift core on all levels (total 6 no. new and 1 no modified door openings in historic fabric); Closing access to early twentieth-century stair to basement level and provision of floor access hatch (connection to 1937 Reading Room); Replacement of earlier steel supporting structure to grand stair to improved detail; Reinstatement of floor finish to historic detail; Reconfiguration of ground floor and first floor rooms to integrate new lift with new steps, accessible toilet and security room at ground floor; Removal of non-historic partitions, wall, floor and ceiling finishes at second and third floors and provision of arrangement including removal of concrete third-floor slab, provision of new timber floor, sanitary facilities and services; Provision of plantroom to house new air-handling units (AHUs) in roof space, retaining historic trussed structure. • Interventions to East Pavilion- Removal of existing insertions comprising concrete staircase at ground to first floor, concrete staff stair and lift shaft to all levels, corridor wall at existing basement level, suspended mezzanines at historic second floor, including supporting structure above and later insertions; Enlargement of existing basement and creation of lower basement with new link to basement level in Berkeley Podium; Provision of new risers, stairs and lifts to all levels; Provision of new ground level slab; Removal of non-historic walls, ceiling and floor finishes to new circulation areas; Alterations to floor, ceiling, walls and shelving in first-floor Fagel Collection to upgrade fire compartmentation, including new glazed wall and doors between collection and circulation area; Provision of new timber floor over second floor; Provision of new partitions and finishes to new storage rooms. Provision of plantroom to house new air-handling units (AHUs) in roof space, retaining historic trussed structure. 2. Works to the Berkeley Library (a Protected Structure) including provision of new entrance pavilion within Fellow's Square for visitors to the Old Library through the Berkeley Library Podium, with new stair and lift down to a new visitor welcome and ticketing area; Replacement of later steps and ramp up to external Podium level from Fellow's Square, and of original ramp from College Park; Reconfiguration of levels and repaving of sloped area along Museum Building Paving and waterproofing repair works to Podium roof; Refurbishment of original rooflights to roof and side walls of Podium, and of original glazed lobby facing Museum Building; Provision of new smoke extract ventilation grille level to ground surface to northwest side of Podium, new grille under the new ramp and related structural openings. 3. Interventions and amendments to the interior of the Berkeley Library Podium (a Protected Structure) to include: • Removing internal blockwork partitions, floor screed and later shelving system including supporting structure to create Visitor Centre with associated functions, including new partitions and sanitary facilities; Alteration of mezzanine level link connection to Old Library East Pavilion and at basement level creation of new opening in original wall as connection into new basement under East Pavilion resulting in an increase in floorspace of 163 sq.m; Replace original existing mezzanine floor slab on east side with new exit stair to replace original timber and concrete stair and extension of mezzanine area resulting in an increase in floorspace of 253 sq.m. • Provision of a new public entrance point from Fellows' Square to proposed new Visitor's Centre below the Berkeley Library Podium to include ticketing (41 sq.m) and welcome area (148 sq.m), and a change of use of part of the existing below podium from ancillary library use to tourism use to include retail areas (296 sq.m), exhibition space (143 sq.m), cloakroom (70 sq.), exhibition introduction area (91 sq.m) storage and associated back of house, circulation and storage areas. The total area subject to change of use is 993 sq.m. The proposed development will increase the existing gross floor space below the existing podium and below ground level by c. 708 sq.m. 4. General works to both buildings including upgrading of the internal fabric to achieve required fire rating. Replacement of the existing services. General refurbishment of internal fixtures and finishes. Provision of new lighting, security, fire detection and suppression systems. Provision of new information and fire escape signage. 5. New single-storey basement beneath Fellows' Square to accommodate proposed Energy Centre (764 sq.m) with heat pump, AHU, ICT and electrical room, pump rooms, water storage tanks with 3 no. connections into floor void in Old Library Colonnades; 6. Permission is also sought for all associated site development, temporary construction operations, landscaping, external lighting, signage and boundary treatment works & to include removal of some existing trees and adjustment of the external ground levels at Fellows' Square and around Berkeley Library Podium.

PROTECTED STRUCTURE Permission for development at the Old Library, Trinity College Dublin, The University of Dublin, College Green, Dublin 2 (a Protected Structure, RPS 2004 and a Recorded Monument - Ref No.: DU018 020180). The proposed development will consist of the continued use of the Long Room, located within the Old Library, for a temporary exhibition for an additional period of three years. The temporary exhibition, as currently permitted and in place under DCC Reg. Ref. 3678/23, includes for the temporary installation of a suspended 6m inflatable and rotating globe depicting the planet earth.

PROTECTED STRUCTURE: The proposed development will consist of the use of the Long Room, located within the Old Library, for a temporary exhibition for 12 months. The temporary exhibition will include for the temporary installation of a suspended 6m inflatable and rotating globe depicting the planet earth. The globe will be suspended from a truss supporting structure to be placed at first floor level within the Long Room- no physical interventions are proposed to the existing structure or fittings to facilitate the installation. The provision of all associated electrical cabling which is fully reversible and connected to existing distribution board.

PROTECTED STRUCTURE: Permission for development at the Arts Building (a Protected Structure - Ref No. 2006) in Fellows Square located within the campus of Trinity College Dublin, Dublin_2 adjacent to Nassau Street. The proposed development consists of the following: Replacement of existing glazing at lower ground and upper ground floors to North side of building (Fellows Square side) as follows:. a. Inclined single-glazed glazing over these floors is replaced with triple glazing to match the existing glazing appearance. b. Areas of single-glazed vertical glazing to gable ends, inset bay below eaves gutter is replaced with triple glazing to match the existing glazing appearance. c. Perimeter flashings at the affected glazing are replaced with insulated flashings to match the existing flashing's appearance

PROTECTED STRUCTURE: The development will consist of work to a protected structure, the T.C.D. Arts Building, reference 2006 on the Record of Protected Structures. Proposals consist of: The installation of movable oak clad kiosks at level 2 concourse area, outside the Robert Emmett Theatre, to include: two large kiosks (2m W x 3m L x 2.5m H) and six small kiosks (1m W x 2m L x 1m H) to house multiple student and college related functions including: clubs and societies information, charity events and sales, study groups and conference registration during the college term and ancillary retail use (TCD merchandise) over summer months. The total overall footprint of kiosks when all in use will be 24m2.

PROTECTED STRUCTURE: The Provost, Fellows, Foundation Scholars and the other members of the Board of the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin. The proposed development consists of permission for development of the Rubrics Building (a Protected Structure ref. 2004 and Recorded Monument, ref. DU018-020419), Trinity College, Dublin 2. The Rubrics Building located in the historic Campus, construction dates from circa 1699, has an area of 1715 sq m, and entails the refurbishment of the entire structure and the change of use of some rooms within the building (the area of change of use is 667 sq m or 31% of total floor area). External works are a new underground plant room of 43 sq m and a number of boreholes to provide sustainable heating, located to the east of the Rubrics; paving, site connections and landscaping works. The development will consist of the following works: The refurbishment of the existing structure to provide the following accommodation: 22 no. studio/one bed residential units. 12 no study bedrooms with communal living/dining/kitchen facilities 204 sq m of research/study accommodation Change of use of the following units from office to residential: 22.0.01A, 22.2.01, 23.1.02, 24.1.02, 25.1.01, 25.2.02, 25.3.01, 25.3.02, 25.3.03, 25.3.04, 26.0.01, 26.1.01, 26.3.01, 26.3.02 (totaling 499 sq m) Change of use of the following unit from communication equipment room to residential: 22.0.01B (10 sq m) Change of use of the following units from office to study/research accommodation: 23.0.01, 24.0.01, 24.0.02, 25.0.02 (158 sq m) Ground Floor: Removal of non-historic partitions, forming 5 no. new door openings in historic fabric, removal of non-historic concrete paving flags in entrance halls and replacement with cut-stone York Stone flagstones; construction of new partitions to form new accommodation, replacement of 5no. house entrance doors, replacement of 2 no. passageway doors. Thermal insulation layer to be installed on the substrate below the suspended floors. Historic floor vents to be repaired. Floors 1-3: Removal of non-historic partitions and construction of new partitions to form new accommodation. Form 14 no. door opes in walls at second & third floor levels. Form communication equipment room on the third floor. Attic: Installation of new fire break partitions, new replacement access hatches and timber walkways. Remedial works to roof truss bearing pads at chimneys. Roof: removal the existing friable slates, nails and battens; Provision of insulation, a membrane, battens and counter battens, new natural slates, existing ridge tiles, new insulation batts between rafters and a semi-permeable membrane lining to the underside of the rafters; Existing rainwater goods, which were installed c.2008/9, will be repositioned to ensure that they sit below the eaves slates appropriately. Renewal of valley leadwork and flashings. Installation of new vent cowls. West Elevation: Removal of cement rendered plinth course and renewal in lime render; localised repointing as necessary with lime mortar. Obsolete vents to be removed; Lead flashing to be installed to top of passageway openings; Installation of card access reader to two new passageway doors. East Elevation: Removal of mid-20th century pebbledash; Application of a new coat of insulating cork lime render and finishing layer. Painted with a breathable mineral paint; Localised repointing to 3rd floor brickwork; Obsolete vents to be removed, new air vents to be installed. North and South Elevations: New air vents to be installed. Stairs: Previously painted surfaces will be re-painted. Historic layers of paint will be retained underneath but the top coat will receive a light sanding so that the new paintwork can adhere. Floors: Removal of non-historic coverings and flooring material. Lath and plaster ceilings to be tied up with stainless steel wires and straps. Historic joists, pugging, floorboards and skirting boards to be retained/re-used. Repairs to original and early historic flooring including floorboards, strut supports, joists, pugging and down stand beams. Damaged or rotten timber floorboards and other members will be replaced. Previous plywood infill will be replaced with timber floorboards. Upgrading to achieve required fire rating including insulation to be installed between floor joists, plywood layer to be installed over joists to halt smoke penetration. Remedial structural works to mid span floor beams where required. Doors: The extant battened doors and panelled inner entrance doors to each apartment and panelled doors to kitchens or side rooms within apartments will be retained and upgraded to provide appropriate fire rating. Windows: Removal of sash and casement windows to facilitate repair or replacement of decayed rails and other timbers as necessary. Renewal of staff and parting beads, sash cords and weights where necessary. Draught-proofing with “Ventrolla-style” system to sash windows, reinstallation of existing glazing with appropriate putty. Localised repair/replacement of window lintels as required. Joinery: Window joinery including architraves, window-backs, elbows, shutters and soffits retained and repaired or eased to facilitate use, Plywood, MDF board replaced with timber where appropriate; Early extant skirting’s and dado rails repaired and repainted; Removal of inappropriate skirting’s and dado rails. Ceilings: lath and plaster ceilings repaired as necessary and repainted. Plasterboard ceilings repaired as necessary and repainted. Retention of run-in-situ cornices retained as down stands following removal of partitions. Wall plasterwork: retention and repair as necessary with appropriate materials of historic lime plaster. Non-original non-breathable paint to be removed and replaced with breathable paint. Fireplaces: Paintwork to be cleaned from historic fireplaces following trials; 1960’s brick fireplaces to be removed. Replacement of existing services. Provision of new heating, power, lighting, emergency lighting, fire alarm and IT systems. Historic cobbles to be re-bedded, generally to match existing on campus. Adjustment to ground level and drainage at northern end of east side of building. New French drain to be installed. Adjustment to the existing concrete swale running along the east elevation. New French drain to be installed. A new underground plant room of 43 sq m containing heat pumps and electrical switch room to the east of the Rubrics building in an open space, connected to the Rubrics building via underground connections, including access hatch and stairs with surrounding railing. New foul and storm water drainage system connections. Existing downpipes to west elevation to connect directly to the drainage system. New slot drains to north & south elevations. Associated site developments and landscaping.