PSA product table

The PSA Specification

Performance standards in the UK industry standard PSA MOB PF2 PS are well defined, straightforward and well understood by architects and contractors. They are demanding and onerous.

In terms of load carrying capability, there are four UK standards, Light Grade, Medium Grade, Heavy Grade and Extra Heavy Grade. These are arranged vertically in that each grade will comply with any grades which are lower in the scale.

The Light, Medium and Heavy grades ALL have a three times safety factor.

Testing and certification for compliance with one of the four standards MUST be carried out by an independent testing station with NAMAS accreditation.

PSA MOB PF2 PS also recognises the need to specify installation criteria as well as manufacturing standards.

Table of uses for PSA

PSA Spec Grade
Concentrated load
25MMSQ 300MMSQ
Uniformly distributed load Guide to usage FSC® Download
RG Series
DRF600 (ext - structural stringers)

Extra Heavy Grade

Not less than 4.5kN   Not less than 12kN/m2 Computer rooms, equipment rooms, print rooms with heavy equipment YES Download
DRF600

Heavy Grade

Not less than 4.5kN   Not less than 12kN/m2 Computer rooms, equipment rooms, print rooms with heavy equipment YES Download
RMG600
Medium Grade *Not less than 3.0kN Not less than 4.5kN *Not less than 8.0kN/m2

General office use with heavy equipment;
Educational accommodation; Public areas

YES Download
RLG600
Light Grade Not less than 1.5kN Not less than 2.7kN Not less than 6.7kN/m2

General office use; no heavy equipment

YES Download
TL Series
TLM26
Medium Grade *Not less than 3.0kN Not less than 4.5kN *Not less than 8.0kN/m2

General office use with heavy equipment;
Educational accommodation; Public areas

YES  
FDEB Range
FDEB38 (with ext-structural stringers)

Extra Heavy Grade

Not less than 4.5kN   Not less than 12kN/m2 Computer rooms, equipment rooms, print rooms with heavy equipment YES  
FDEB38 (with ext- stringers)

Heavy Grade

Not less than 4.5kN   Not less than 12kN/m2 Computer rooms, equipment rooms, print rooms with heavy equipment YES Download
FDEB30
Medium Grade Not less than 3.0kN Not less than 4.5kN Not less than 8.0kN/m2 Computer rooms, equipment rooms, print rooms with heavy equipment YES Download

† This grade is also required to sustain a total load of 11kN applied equally on four points, each point 25mm sq. on a 200mm x 200mm square configuration at any point on the system.

* British Council for Offices Guide to Specification 2014

Consideration should be taken regarding use of the raised floor as a working platform during construction, pedestrian traffic in escape routes, main thoroughfares etc. & how furniture / filing cabinets and other heavy equipment etc. will be taken into the building (across the floor) especially if the lower classification is being considered.

Classification by grade is based upon a complete Kingspan system i.e. panels & under structure.

Performance verification for PSA MUST be by an “approved independent laboratory”.

Full technical support and advice can be obtained from Kingspan’s Technical Department on 01482 781701

 
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