L1 - Institutional Specifications Flashcards
What is the institutional specification for Shops/retail?
Most shops are constructed either of a steel or concrete frame.
Services capped off.
Concrete floor and no suspended ceilings.
Let in shell condition with no shop front, ready for the retailers’ fitting out works.
What are the two main methos of construction for offices?
Steel or Concrete frame
Steel frame buildings usually have less columns and a wider span between the columns
Concrete frame buildings usually have more columns, lower floor heights and a short span between columns
Check the architects drawings and specification or building manual of you cannot see what for of construction is it on site.
If you are on site and cannot tell what type of construction the building is, what should you do?
Check the architects drawings and specification or building manual of you cannot see what for of construction is it on site.
What document has defined the current institutional specification of offices?
British Council for Offices Guide to Office Specification, 2023
What is the current institutional specification of offices as defined by the British Council for Offices Guide to Office Specification, 2023?
- Full access raised floors with floor boxes
- Approximate ceiling height of 2.6 - 2.8m
- Ceiling Void of 350mm and a raised floor void of 150mm
- Maximised opportunities for daylighting, with 300-500 lux average
- Approximate floor loading of 2.5 to 3.00 KN/ sq m with an allowance of 1.2kn/sq m fir partioning
- Air conditioning and double glazed windows
- Passenger Lifts
- Planning grid of 1.5m x 1.5m
- Maximum depth of 12m to 15m (Shallow Plan) or 15m to 21m (deep plan) to allow for natural light to the office are
- 1 cycle space per 10 staff and 1 shower per 100 staff
- 8m2 ro 10m2 general workspace density
What type of air conditioning was banned?
From 1st January 2015 the use and replacement of the lower temperature refrigerant R22 is illegal. Existing R22 Refrigerant systems needed to be modified to become more environmentally friendly.
What type of air conditioning is commonly used in residential?
Comfort cooling - a simple form of air cooling system.
What is the basic construction of an industrial/warehouse building?
Typically Steel Portal Frame Building with insulated profiled Steel cladding walls and roof.
What is the current institutional specification of industrial/warehouses?
- Minimum 8m clear eaves height with 10% roof lights
- Minimum 30KN/sq m floor loading
- Plastic coated steel profile cladding with brick or blockwork walls to approximately 2m
- Full height loading doors (electrically operated)
- Full height loading doors (electrically operated)
- 3-phase electricity power (415 volts)
- 5-10% office content and WC facilities
- Main services capped off
- Approximate site cover of 40%
- LED Lighting
What are some different types of air conditioning systems
VAV - Variable Air volume (highest capital cost but most flexible)
Fan Coil (usually 4 pipe, lower initial cost, good flexibility but higher operating & maintenance cost)
VRV - Variable refrigerant volume (lower capital cost but higher running and maintenance costs)
Mechanical Ventilation - when fresh air is moved around the building
What is the typical space allowance for normal office use per person?
80-100 sq. ft per person
