Architectural Specification

SUBSTRUCTURES

  • Sub-basement for Ice Bank & Storage.
  • Basement including associated drainage.
  • Ground floor slab 300mm thick reinforced concrete flat slab.

Structure

  • Concrete frame with A-Symetric beams.
  • Concrete flat Floor Slab System.
  • Precast concrete stairs and landings.
  • Structural steel frames to roof structure with metal infill panel.
  • Reinforced in-situ concrete walls to stairwells and lift core areas
  • Facing stone work finish to concrete columns at ground floor and framework facing Platform Building.

External and Internal Walls

  • Honed/edge precast reconstituted concrete panels.
  • Insulated metal stud partitions with plasterboard and skim (generally) behind precast.
  • Reinforced insitu concrete stair core and lift wall core walls.
  • 215mm thick blockwork walls to toilet cores/or metal stud partitions.
  • Metal stud partitions, fire rated as necessary.
  • 215 blockwork to all rising ducts and shafts.

External Wall Completions

  • Modular Curtain Walling system, with incorporated louvre panels.
  • Glazed main entrance door sets.
  • Stone cladding to precast concrete panels and concrete frame edges.
  • Honed or etched reconstructed stone Precast Concrete Panels.
  • 40mm foil backed high density insulation to back of precast concrete Panel.
  • Aluminium Louvre Panels to Roof Plant.
  • Stone cladding to ground/first columns all sides.
  • Re-using existing stone to western elevation on ground and first floor to significant panel.

Glazed Windows

  • Type 1 – Structural silicone.
  • Type 2 – Strip windows in Precast Concrete.
  • Type 3 – Standard curtain walling with spandrel + louvres.
  • Type 4 – Strip windows with Precast Concrete cill and overband.
  • Revolving entrance doors automated.
  • Window cleaning equipment and absailing fixing and safety system.
  • Automated doors and grilles to vent atrium.
  • Incorporating clear, thermal insulating and solar control range of glasses in double glazed systems.

Joinery

  • Solid doors faced with selected Hardwood to core areas, fire rated as necessary and with 1 hour fire doors to vertical risers.
  • Powdered Coated Aluminium & Porcelain/Stone Skirting to cores.
  • Feature brushed stainless steel plates to doors.

Internal Doors

  • Solid core doors to core areas, fire rated as necessary with associated frames and ironmongery.
  • Solid core 1 hour fire doors to vertical risers with associated frames and ironmongery and door closures.

Ironmongery

  • Brushed stainless steel ironmongery.
  • All stair and lobby core doors to be wired for access control.

Stair Completions

  • Stainless steel handrails and timber balustrades will be provided to all staircases.
  • Hardwood timber edge trim to stair strings and landings.
  • Carpet with proprietary nosing’s to main core staircase with other stairs in rubber floor finish.

Entrance Lobby Finish

  • Porcelain/stone finish to walls and floors incorporating back painted glass panelled walls in selected areas.
  • Insitu concrete screed on insulation to make up levels.
  • Porcelain/stone flooring to entrance lobby floors and skirting.
  • Underfloor heating throughout lobby floors and atrium.
  • MF plasterboard ceiling system.

Floor Finishes

  • Access floors (screw down type) to all office areas. Floor void depth to be 200mm with dust sealant on floor slabs.
  • Feature porcelain/stone flooring to reception area.
  • Green Label Plus certified sustainable Carpet Tiles with recycled components.
  • Concrete floor screeds on insulation in lift cores.
  • Porcelain/stone selected honed tiling to lift cores.
  • Selected honed/semi matt tile to toilet area.

Ceiling Finishes

  • Perforated metal suspended ceiling system to office areas and toilets.
  • The ceiling will act as a plenum.
  • Feature plaster ceilings / bulkheads to reception.
  • Perimeter pelmet plaster bulkheads generally to edges of suspended ceilings.
  • Energy efficient Slimline Thorn Omega 32W
    LED – with long 50,000 – hour life.

External Ceilings

  • External plaster finish and timber soffit sheet length to external ceilings.
  • Timber soffits to concourse along arches.

Internal Wall Finishes

  • Plaster and paint (eggshell finish) to all internal office walls generally.
  • Plaster finish to blockwork/concrete walls.
  • Stone cladding to atrium walls and floors.
  • Back painted glass with feature aluminium trims.
  • Porcelain semi-matt tiles to toilet walls.

Stair Finishes

  • Plaster and paint (eggshell finish) to ceilings and walls.
  • Oak / Cherry skirting and stair edgings.
  • Stainless steel balustrades with Oak / Cherry handrails.
  • Gyproc metal stud partition behind Precast Concrete panels.
  • Rubber one piece thread and riser to stair with sheet finish to landings.
  • Woven sheet carpet to main cores staircases, with proprietary nosings.

Roof Finishes

  • Paralon high performance torch on roofing membrane on Celotex insulation at high level with Standard precast concrete paving slabs.
  • Insulated uPVC rainwater pipes within building, non-insulated to basement. Cast iron pipework in basement.
  • Facility for cleaning cradle and ab-sailing safety harness systems.
  • Paralon Ard/HS torch bonded roofing membrane on 70mm thick insulation with associated upstands and flashings.
  • Raised plinths for AHU’s roof, also for cleaning equipment.
  • Paralon Ard/HS torch bonded roofing membrane with selected cedar decking slabs on plastic stools to balconies.
  • Window cleaning system.
  • Handrails to balconies.
  • Roof Access System.
  • Rainwater Insulation.

Building Fittings

  • High quality ceramic sanitary fittings – Villeroy & Boch or similar.
  • Sissons undercounter stainless steel basin with Kludi monobloc mixer tap.
  • Arezzo solid grade laminate cubicle system with stainless steel ironmongery.
  • Polished glass mirrors with bevelled edges.
  • Vanity tops in “Crystal Black” polished granite on stainless steel supports.
  • Selected hand dryers.
  • Recessed compact downlighters with concealed lighting detail above WHB’s.
  • Perforated metal suspended ceiling tile with perimeter plaster details.
  • Fiandra Graniti Floor and wall tiles.

M&E Specification

Mechanical Services

Winter Dry Bulb

  • 21 +- 2oC

Winter RH

  • Not Controlled

Summer Dry Bulb

  • 21 +- 2oC

Occupancy Density

  • 1 person / 8m2

Fresh Air Allowance

  • Three Air Changes Per Level – Equates to 15 l/s/p

Extract Ventilation (Toilets)

  • Mechanical – 10 ACH

Heating Plant

  • Four No. high efficiency low emission fully modulating gas fired boilers

Cooling Plant

  • Roof Mounted Air Cooled Chillers linked to Ice Bank Cooling System

A.C. System

  • 4 Pipe FCU with Airside Control (Flexible Modular / Zonal density)

FCU Density

  • 1 FCU / 35 m2 Throughout

FCU Flexibility

  • 1 FCU / 18 m2

Load Density for Cooling

  • Lighting: 10 W/m2
  • Small Power 25 W/m2
  • Misc. 4-w/m2 for 20% of NIA
  • Occupancy 1 / 8 m2

Water Storage Allowance

  • 45 Litres / Person

Hot Water Provision

  • Localised Under sink Water Heaters

Tea Station Allowance

  • 22mm BMWs & 110mm SVP

Thermal Storage

  • Ice Bank Cooling System – 35% reduction in electrical consumption compared to conventional system

Metering

  • All floors capable of being separately metered

Noise Rating

  • NR 35 Office

BER Rating

  • B1

BREAAM

  • Environmental Assessment Award – Good; Performance Index Score of 10

Accreditation / Awards

  • Winner of ACEI Presidents Design Excellence Award 2008

Building Fabric

External Walls

Thermal Transmittance Value (U-value) – 0.27 W/m2K

Glazing

  • Solar reflecting low ‘K’ Glass – U-Value: 1.1 W/m2K

Floors

  • Thermal Transmittance Value – 0.45 W/m2K

Roof

  • Thermal Transmittance Value – 0.25 W/m2K

Air Permeability

  • 1.49 m³/(m²h) @ 50pa

Electrical Services

Workstation Allowance

  • 1 / 8m2

Lighting Level

  • Office Areas 500 Lux (Dimmable)

Lighting Type

  • High Efficiency T5 Lamps / High Efficient LED

Lighting Control Mgmt. System

  • Automatic Lighting Dali System

Fire Alarm

  • Fully Addressable (Category L1)

Standby Generator

  • Life Safety Generator – 200kVa

Access Control

  • Card access control in situ on lift lobby doors to office areas

Distribution

  • Sub-distribution boards located in two locations per floor providing fit out flexibility

Intruder Alarm

  • Intruder alarm system with IS199 is provided on all external doors at Ground Level, basement carpark

Lift Services

Lifts

  • Main Lobby: 8 No. Passenger Lifts .6 @ 13 persons & 2 Fire Fighting Lift @ 17 persons
  • All Lifts Speed @ 2.5m/s. Triplex Control Provided in Main Lobby
  • Separate Goods Lift at Rear with direct access to all Floors

Lift Waiting Times
(CIBSE Guide D)

  • Excellent

Lift Performance Time
(Excellent Service 8.0 – 9.0s)

  • Excellent

Lift Service
(Excellent 1 Lift / 3 Floors)

  • Excellent

Office / Service Zones

Floor Void

  • 250mm

Ceiling Void

  • 450mm

Floor to Ceiling Height

  • 2750mm

Basement / Sub Basement

  • Generator / Water Storage / Ice bank / Showers

Roof Plant

  • Boiler Plant / Chiller Plant / AHU Plant

Boiler Plant

  • 4 @ 60% of Load

Chiller Plant

  • Centralised Cooling scheme for Park Place Campus has 3 no. chillers (with 3 compressors each) in total providing resilance on the cooling system

Heat Rejection

  • Air Cooled Chillers

AHU Location

  • Roof Level

IT / Comms Features / Benefits

  • Existing Comms Room Available
  • IT Resilience with Two Diverse Incoming Supplies
  • IT Riser from Basement to Roof unimpeded access

Design Team

Architects

Main Contractor

Quantity Surveyors

Services Engineers

Fire Engineers

Fit Out Contractor