Using systems independently tested and shown to comply with the PSA Performance Specification MOB PF2 PS/SPU Specification Use Type of product (description) Method of specifying the system Comments PSA Light office use Steel encapsulated chipboard (1) PSA Light Grade Suitable for installation in the early stages of the construction programme / during fit out works PSA General office use Steel encapsulated chipboard (1) PSA Medium Grade Suitable for installation in the early stages of the construction programme / during fit out works PSA Comms. room Steel encapsulated chipboard (1) PSA Heavy Grade Suitable for installation in the early stages of the construction programme / during fit out works PSA Main frame computer room Steel encapsulated chipboard (1) PSA Extra Heavy Grade Suitable for installation in the early stages of the construction programme / during fit out works When seeking advice from a supplier it should be noted that the Specification requires independent testing for the full system and as such all of the above would require the use of a pedestal / understructure that complies in full with the PSA MOB PF2 PS/SPU Specification. General Comments Both PSA MOB PF2 PS/SPU and BSEN12825 mentions certain other normative references which include electrical resistance, thermal performance, fire classification etc. and we recommend that advice is sought in regard to these points from a recognized contractor, preferably a member of the Access Flooring Association.