ACCOMMODATION
Occupancy Density

One person per 8m2 of nett lettable area for design of building services, and for WC accommodation on a basis of one person per 10m2 on a 60:60 ratio.

Floor to Ceiling Height

All floors have a clear floor to ceiling height of 2750mm above Finished Floor Level. Structural and services zones in ceiling void includes air conditioning and lighting zones.

Sectional Occupation

The building has the ability to accommodate fully independent occupation on a floor-by-floor basis with the capacity for further tenant sub-division per floor. The heating, cooling and ventilation plant serves all office floor areas. The 4-pipe fan coil units on the floors are capable of being independently controlled via the Building Management System.

Raised Floor Void

The raised floor has a 150mm clear space zone for the distribution of power, voice and data cabling and other tenant services.

Floor Loadings
  • Imposed Loads: Office floors, WC areas 5.0 kN/m2.
  • Raised floors, building service suspended ceiling loading: 0.55 kN/m2 in addition to the above loadings.
Fire Standards

In line with Building Regulations. Means of escape based on occupancy density of 1 person per 6m2.

BREEAM Rating

A “Very Good” rating is being targeted by the refurbishment works.

EPC Rating

Projected EPC Rating ‘C’.

INTERNAL DOORS
Door Frames

Solid hardwood, painted finish.

Door Types

Solid core high pressure laminate doors, with contrasting solid hardwood edgings and framing to glazed elements. Weathered cedar facings.

Ironmongery

Stainless steel ironmongery throughout.

STAIRCASES
Main Core Staircases

Concrete stair with painted steel balustrades, perforated powder coated steel infill panels and stainless steel handrails.

Escape Stair Cores

Concrete stair with painted steel balustrades and stainless steel handrails.

Wall and Skirting Finishes

Painted plaster wall surfaces with painted timber skirtings and stringers.

Ceilings & Soffits

Painted plaster soffits and painted plasterboard perimeter margins.

Floor Finishes

High quality plank carpet tile with visual contrasting nosings.

LIFTS
Passenger Lifts

Four fully refurbished 13person passenger lifts, serving basement to second floor level with 2 car group collective controls operating at 1.0m/s.

External Finishes

Bronze feature surrounds to all levels. Feature bronze doors to ground floor level.

Internal Finishes

Illuminated ceiling, premium etch silver high-rise stainless steel back panel, stainless steel trims rails, Ceramic plank tile floor finish by Porcelanosa in herringbone pattern to match main reception floor finish.

Call System and Control

Computerised control with floor read out at all floor levels.

Emergency Lighting

Automatic system within lift cars.

OFFICE AREAS
Wall & Skirting Finishes

Dry-lined plaster and emulsion finish with 100mm square edged painted timber skirtings.

Ceiling Finishes

SAS 130 metal lay in ceiling tile system with micro perforated lift out tiles on metal alugrid system
with plasterboard margins to external walls and around cores.

Ceiling Heights

2.75mm from FFL in all office areas.

Raised Access Floor

Kingspan MOB PF2 PS/SPU medium-grade raised access floor. 150mm minimum clear height in void for services distribution using 600 x 600mm fully encapsulated panels on an adjustable pedestal system.

FACILITIES
Cycle Facilities

Secure storage area for bicycles with 60 high quality cycle racks and dedicated maintenance station.

Shower & Changing Facilities

High quality male and female shower and changing rooms located in basement area, with 52 lockers, 5x individual showers, fully accessible shower and dedicated drying room provided to each core.

AIR CONDITIONING SYSTEM TO OFFICE AREAS
System Type

Comfort cooled and heated by 4-pipe fan coil units. Supply air to perimeter zones by perimeter linear slot diffusers.

Cooling Plant

Air-cooled chilled water central plant.

Control Module

For office areas perimeter zones maximum module size is generally on a 6 x 4.5 metre module. Internal zones maximum module size to suit loads and equipment selections but generally maximum 70m2.

Design Temperatures
Externals
  • Summer: 30 degrees centigrade db and 30% RH.
  • Winter: -3 degrees centigrade db and 100% RH.
Internal Design Temperature for Office Areas
  • Summer: 23 degrees +/- 2 degrees.
  • Winter: 21 degrees +/- 2 degrees.
  • No humidity control.
Cooling Loads (Office Areas)
  • Lighting 12w/m2 of lettable area.
  • Equipment 25w/m2 of lettable area.
  • Occupancy: 1 person per 8m2 lettable floor area.
Outside Air Maximum Supply Ventilation Rate

10ls/s per person based on 1 person per 8m2 of lettable floor area.

Noise Level

NR38 at 1500mm above FFL.

Controls

A fully automatic control system is provided to control the central plant and the office fan coil units.

HEATING
Heating Plant

Central boiler plant serving office fresh air supply ventilation and heating to ancillary areas and DHW.

Design Temperatures
  • External -5 degrees db saturated
  • Reception & Lift Lobbies 20 degrees minimum
  • Toilets / Landlord Areas 20 degrees minimum
  • Stairs N/A
ELECTRICAL SYSTEM
Design Loads

40W/m sq small power provision on office floors for Cat B fit-out. Lighting and Small power as installed at Cat A.

Power Circuit Location

Two Vertical Rising Bus-Bars per block (4 in total) with metered tap-offs to split load boards in each wing, to allow split tenancies per floor.

Wiring and Flexibility

Cores fully refurbished and wired. Cat A Lighting to all office floors. Raised access floors to office areas for Cat B fit-out.

Telecom and Power Outlets

General cleaning outlets provided to the core areas. Cleaning / Maintenance floor outlets provided to the office areas. Vertical data risers provided from Basement to second floors at each service core
2 per floor (4 in total).

Distribution Board Locations

Two split load three phase distribution boards per building per floor, to allow split Tenancies per building per floor. Separate metering for compliance with Building Regulations part L and to CIBSE TM39. Pulse type meters integrated into the BMS system for automated billing to Tenants Demises.

Earthing and Bonding

To BS 7671 and BS 7430.

Fire Alarm & Fire Protection System

New Fully automatic Analogue Addressable L2 system, with coverage to BS 5839. New Smoke or Heat Detectors throughout.

Security Systems

Access control system provided to external doors and between building 1000 and 2000, with further provision and containment for integration of tenanted office areas into the overall building system. CCTV coverage of car park entrances and exits, and CCTV coverage of entrance points into the building.

LIGHTING
Lighting Levels to All Areas

Office lighting uses high efficiency LED lamp sources with DALI dimmable control gear. Full lighting control system provided to all areas. Offices provided with illumination to 400 lux, with dimmable control, and core areas provided with illumination to 150 lux. Microprocessor lighting control system provided to all tenant demises, with plug in lighting control modules incorporating presence detection and hand held controllers. Lighting control system capable of being upgraded with PIR linking, set point changes, energy monitoring, intranet monitoring, internet servicing, additional switching etc. to suit Cat B fit-out.

Type of Light Fittings

Office areas provided with air handling 600x600mm LED modular, flush mounted luminaires, compliant to CIBSE LG7. LED luminaires throughout remaining areas.

Special Lighting

Specialist luminaires used in Café area, Reception and to the external landscape areas.

Emergency Lighting

Offices are provided with separate self-contained emergency downlighters and core areas are provided with integral emergency versions of the general lighting luminaires. Self-contained Exit signage is provided throughout the building.

External Lighting

Car Parking areas and walkways are provided with access lighting, and new piazza space provided with specialist lighting specified by landscape Designers. New illuminated signage provided at the entrance roadway into Cathedral Square.