BLENHEIM COURT George Street, Banbury, Oxfordshire OX16 5BH
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BLENHEIM COURT George Street, Banbury, Oxfordshire OX16 5BH
BLENHEIM COURT INTRODUCTION Blenheim Court is a prestigious air conditioned headquarters office building occupying a prime Town Centre position on the corner of George Street and the new Inner Relief Road linking with Junction 11 of the M40, just minutes away. Banbury British Rail Station is within 2 minute's walking distance. The property comprises a single building of 42,959 sq ft gross arranged on ground, first and second floors. Vehicular access to the site is via an entrance archway at the western end of the George Street frontage. A total of 124 private car parking spaces are provided (45 at first floor deck level and 79 at ground level). Pedestrian access is through the entrance archway leading into the landscaped courtyard with a reception area in the main core serving the whole building. The building has been designed to take advantage of the prominence of the site and to maximise upon natural daylight. Fully accessible raised floors and suspended ceilings facilitate the installation of sophisticated information technology. ACCOMMODATION (Approximate net internal areas in sq ft) Floor Ground 9, 750 sq ft First 13,800 sq ft Second 13,800 sq ft TOTAL 37,350 sq ft net Car parking 124 spaces
GENERAL SPECIFICATION
DATA SHEET
FLOOR LOADING
Floors 4.0Kn/m sq + 1.0 Kn/m sq (80 lbs + 20 lbs per sq ft for partitioning
FLOORS
A Propaflor Spacedeck 3000 raised flooring system 600 mm x 600 mm pedestal 100% accessible
with 120 mm clear void.
AIR CONDITIONING
A ceiling mounted Versatemp system discharging and intaking air via the suspended ceiling void.
2
WATTAGE PER M
2
The small power allowance to the floors is 30 watts per m .
FLOOR TO CEILING HEIGHT WITHIN OFFICES
2,700 mm on all floors (finished).
LIGHTING
Office areas - 500 lux
Core areas - 150 lux
Reception - 250 lux
PASSENGER LIFTS
Two 13 person Stannah passenger lifts.
VOID TO SUSPENDED CEILING
700 mm
ELECTRICAL SUPPLY
500 KVA (3 phase) 50 Mz
STRUCTURAL GRID
6.0 m x 7.85 m
SPACE PLANNING MODULE
Designed on a 1200 mm module.SUBSTRUCTURE
Insitu concrete pile and ground beam framework.
STRUCTURAL FRAME & UPPER FLOORS
The building is constructed with an insitu reinforced concrete frame, comprising columns on a 6 m x 7.85 m
grid arrangement to ground, first and second floors.
2 2
The structure is designed to general floor areas to accept a floor loading of 4KN/m + IKN/ m (80lbs/sq ft +
20lbs/sq ft).
The ground floor and plant room is a suspended slab constructed of insitu reinforced concrete whilst upper
floors comprise precast concrete slabs.
All office floors have a concrete topping and suitable finish to support the pedestals of the access floor system.
2.
The floor loading to upper level plant room is a minimum of 7.5KN/ m
The critical office vertical dimensions are as follows:-
Finished floor to ceiling Ground 2700 m
First 2700 m
Second 2700 m
Structure and services zone
above suspended ceiling 700 mm
Raised floor' void 120 mm
Floor to floor height
(i.e. slab to slab) 3825 mm
Roof
Some areas of the roof are used for plant rooms to serve the building.
Areas of the roof which are non-Ioadbearing are constructed with steel trusses at 6 m centres with steel purlin
rafters, treated softwood battens, and blue/black fibre cement slates on reinforced roofing felt. Insulation to
2
achieve a U value of 0.45 watts per m °C.
Staircase
Insitu reinforced concrete staircases.
External Walls
2
External walls are of cavity construction providing a U value of 0.6 watts perm °C. The outer skin is of red/buff
coloured facing bricks, minimum 50 mm void with total cavity fill insulation. Stainless steel wall ties have a
minimum spacing of 900 mm horizontally and 450 mm vertically. All brickwork supports are stainless steel.
Expansion joints and damp proof courses are provided as necessary.
Windows
Aluminium colour coated deep blue frames with thermal break.
Units are hermetically sealed double glazed to Windsor Street elevation and the corner splay. These consist of
10 mm glass/12 mm airspace/6 mm glass.
Units are hermetically sealed, double glazed to the inner elevations overlooking the courtyard consisting of 4
mm glass/12 mm air space/4 mm glass.
Units are hermetically sealed double glazed to the George Street elevations. These consist of 6 mm glass/12
mm airspace/6 mm glass.
Generally the glazing consists of grey (graphite) anti-sun glass throughout.Glazing covering ceiling void and floor zone construction are double glazed tinted look-a- like obscure panels.
Windows are openable for window cleaning purposes only and to meet Fire 0fficer's requirements.
Designated zones for future installation of blinds are provided.
External Doors
Entrance "Revolving Door" is of stainless steel.
Deep blue Framework with goods/disabled door to one side. Fire exit doors matching with window system.
Fully glazed with sealed double glazed units with glass to match main windows.
Internal Walls and Partitions
These are of 100 mm blockwork to core walls and 150 /mm blockwork walls to lift shafts.
Toilet Accommodation
Toilet accommodation provides an occupancy level of one person per 10 sq m. Disabled toilets are provided to
each floor. Provision has been made for the installation of electric hand dryers and macerators.
FINISHES
Internal Doors
Internal quality flush doors with ash veneer finish are provided including intumescent strips and smoke sills to
all fire doors.
Ironmongery is polished stainless steel to main core areas and satin stainless steel to secondary stairwells.
Floor Finishes
a) Offices - Propaflor Spacedeck 3000, 600 x 600 mm fully accessible pedestal raised flooring to office
areas with quality dark blue "Luxan" carpet tiles. Raised floor offers a clear void of 120 mm.
b) Reception - The majority of the reception area is finished with a white grey marble with a honed and
sealed finish with a blue pearl granite inlay pattern.
Areas surrounding reception desk and reception seating carpeted with quality burgundy carpet.
A threshold carpet to revolving door entry area is provided.
c) Toilets - Floors to WC areas finished with ceramic floor tiles.
Internal Wall Finishes
a) Offices - Walls are plastered and finished with one mist coat and two finishing coats of vinyl matt
emulsion paint.
b) Reception - Reception area and main staircase walls are finished with "Turner" wallpaper coverings.
c) Toilets - HC areas are finished with ceramic wall tiles to top of door height.
Ceiling Finishes
a) Offices - Suspended ceilings are exposed Armstrong 1200 mm x 600 mm grid "Second Look Cortega 1"
textured tile layout to ground and upper floors.
b) Reception - Suspended ceilings are generally Armstrong tile 600 x 600 mm grid "Gamma" profiled tile
layout to pattern. First and second floors plain "Gamma" tile finish.
There are 2600 /ml high bulkhead plastered soffits over the reception desk, seating area and
revolving door areas.c) Toilets - Suspended ceilings are Armstrong tile 600 x 600 mm grid microlook "Cortega Sector 1"
textured tiles.
Skirtings/Architraves
Ash skirtings and architraves are provided, finished with a satin varnish to match doors.
Toilet Fittings and Installations
Vanity units and mirrors are provided.
White glazed finish to china WC's basins and urinals with chrome fittings.
MECHANICAL SERVICES
Air Conditioning
The office accommodation is air conditioned by a ceiling mounted Versatemp System. Filtered and heated
primary fresh air is provided to each Versatemp by a Supply air plant mounted in the roof plant room. The
primary air is extracted by means of air handling luminaires via the ceiling void by an extract air plant adjacent
to the supply air plant.
Gas fired modular boilers are provided in the roof plant room and provide heat to the air handling units, hot
water calorifiers, staircase heating and Versatemp Systems. Each system is provided with pump circulation.
An air cooled heat exchanger is concealed within a roof "well" to facilitate the rejection of heat from the
Versatemp system.
Design Criteria
The design criteria is as follows:-
a) External Conditions
Winter -4°C
Sumner 28°C
b) Internal Conditions
i. Winter' 21°C +/- 1°C
Summer 22°C +/- I°C
No humidity control is provided.
ii. Toilets and landings will be heated to 18°C.
iii. Fresh air is provided to offices at the rate of 12 litres/second with an occupancy allowance of 1
person per 10 sq m.
c) Internal Heat Gain
i. Occupants 1 per 10 sq m.
ii. Lighting 15 Watts per sq m.
iii. Small power/office equipment 30 Watts per sq m.
iv. Infiltration 0.5 air changes per hour.
v.
d) Noise levels
Design criteria generally NR 35 to offices.
External to plant NR 55 at 10 m from equipment.
e) Air Change Rates
Fresh air: 12 litres per second per person based on 10 sq m per person occupancy.
Extract ventilation is provided at 8 air changes per hour for toilets.
f) Hot and Cold Water System
An independent not and cold water system is provided to serve toilets and cleaner cupboards. An
insulated storage tank suitable for 24 hour uninterrupted supply is provided.ELECTRICAL SERVICES MEB Sub Station An 11000 volt electrical supply to the building is provided by Midlands Electricity Board which via Switchgear and a Transformer, provides up to 500 KVA at 45 volts 3 phase 50 Hertz for distribution throughout the building. Incoming Services Provision of metered incoming mains electricity. Services are provided to include a 500 KVA 415 V 3 phase 50 Hz electricity supply into the building. Lighting Lighting to the offices is by way of low brightness recessed fluorescent fittings and luminaires within the suspended ceiling which are connected using flexible cables from plug-in type ceiling roses (maximum length 2 metres), thereby allowing future cellularisation of the building. Emergency Lighting is provided at all escape routes. Lighting internal levels are:- Office (open plan) - 500 lux Lobbies - 150 lux Toilets - 150 lux Entrance Hall - 250 lux Lifts Two 13 person Stannah hydraulic lifts are provided with disabled access to serve ground, first and second floors. The lifts have a speed of 0.63 m per second. The lift cars provide emergency lighting, control panels and floor indicator panels with the facility for telephone installation (all with disabled access in mind). The lifts have an 1100 mm wide door opening. Burgundy coloured carpet to the floor and to walls up to handrail level. Polished stainless steel handrails with mirrors above. One lift is provided with a removable protective curtain to the wall finishes. Smoke Detection A system of break-glass units and bells are provided with smoke detectors in the extract ducts from each floor. A fire alarm panel is provided in reception, with a repeater panel in the Entrance Archway. Emergency lighting is provided to all escape routes. Small Power 4 lighting and power distribution boards are provided on each floor in the main service ducts. Cable trays are fitted within the communication risers. Common area Distribution Boards are located within the main switchgear panel, serving external and car park lighting, and in the Ground Floor central core area, feeding the common circulation areas and Entrance Archway lighting. Telecommunications Two British Telecom ducts are provided to the electrical riser duct, one fitted with mains cable wiring. A cable tray is provided up the risers enabling the tenant to wire in communication systems.
EXTERNAL WORKS
Open Deck Parking
A single level open deck car parking area for 45 vehicles is provided with access ramp. Construction is of
precast concrete with an insitu concrete topping designed to accept a load of 2.5 KN/m (50lbs per sq ft.) and
finished with a tarmacadam covering with brick facings to exposed north and south elevations. The Windsor
Terrace and Britannia Public House rear elevation have a small pitched roof.
Surface Car Parking and Road Areas
45 car parking spaces are provided to the deck parking level with a tarmacadam covering and concrete strip
edgings: 79 car parking spaces are provided to the undercroft parking level with a Tarmacadam covering and
concrete strip edgings. Sprinklers are provided to the undercroft car park areas in line with Building Control
and Fire 0fficer's requirements.
A total of 124 private car parking spaces are provided.
Main Footpaths
Brick paviors with concrete strip edgings.
Landscaping
Soft and hard landscaping is provided on the Windsor Street and George Street frontages to include shrubs
and trees. The 90 m x 4.5 m highway vision splay on the Windsor Street frontage is preserved.
Planting areas are provided in the courtyard along the north boundary of the open deck car park.
Refuse Collection
A refuse store is provided underneath the car park ramp.
Boundaries
Existing walls on the east and west boundaries are faced with brickwork.
Rainwater Systems
From the roof rainwater is collected in a perimeter eaves gutter and is discharged to the Local Authority
surface water sewer.
Drainage
Underground drainage generally in vitrified clay. Road gullies and manholes in precast concrete. Surface water
drainage is discharged to the Local Authority sewer.
External Lighting
External lighting is provided and controlled by time switches from main reception area with a minimum
lighting level of 50 lux.
Vehicle Management
A duct from the ground floor reception desk to the vehicle accessway for a tenant's management system is
provided.
GENERAL FOOTNOTE
All works and materials are generally in accordance with the principles of the latest relevant British Standards,
Codes of Practice, Statutory and Local Authority Legislation, IEE Regulations (15th Edition) and all other
appropriate regulations, statutes and recognised standards of good workmanship.
All carcassing timber are pressure impregnated against rot and insect infestation and certificates are available
upon request.PLANS AND ELEVATIONAL DRAWINGS
MISREPRESENTATION CLAUSE The information contained in this brochure has been prepared by the Lessors of this property whose agents they give notice that all description, dimensions and other particulars are given in good faith and are believed to be correct, but any intending purchasers or tenants should not rely on them as statements or Representations of fact and must satisfy themselves by inspection or otherwise as to the correctness of them.
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