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Tech guide 1 BITS Years Service to the Building Industry Building Investigation Testing Services Raised Access Floors Technical Guidance ? B I T S ? TG BUILDING INVESTIGATION AND TESTING SERVICES SURREY LTD Quarryside Business Park o ? Holmethorpe Industr

BITS Years Service to the Building Industry Building Investigation Testing Services Raised Access Floors Technical Guidance ? B I T S ? TG BUILDING INVESTIGATION AND TESTING SERVICES SURREY LTD Quarryside Business Park o ? Holmethorpe Industrial Estate Watercolour Thornton Side Redhill Surrey UK RH LJ TEL FAX www bits- testab co uk Email bitslab btconnect com Registered in England Registered O ?ce Address above Page of Pages C ? B I T S ? bitslab btconnect com FOREWORD This technical guide gives a general commentary on the various aspects of the Raised Access Floors in the light of the introduction of BS EN In TG to TG there is a ? Check List ? to enable a speci ?er to select a suitable oor followed by guidance on Installation and Site Control Finally two suggested Particular Project Speci ?cations are given the ?rst for use with PSA MOB PF PS SPU speci ?cation and the second for the use with BS EN Compliance with any British European or PSA standard or ? B I T S ? technical guidance does not of itself confer immunity from legal obligations Page of Pages C ? B I T S ? bitslab btconnect com Contents SECTION TG Technical Guidance SECTION PPS Particular Project Speci ?cations APPENDIX A Rolling load test method APPENDIX B On site air leakage test method BIBLIOGRAPHY OTHER PUBLICATIONS REFERRED TO Page Page of Pages C ? B I T S ? bitslab btconnect com Section TG Contents TECHNICAL GUIDANCE TG INTRODUCTION TG Reason for this guidance TG Using the guide TG De ?nitions TG SCOPE TG TG TG TG HISTORY OF RAISED ACCESS FLOOR SPECIFICATIONS PSA speci ?cation MOB PF PS SPU European Standard BS EN National Building Standard K TG TG TG DEVELOPING A PARTICULAR PROJECT SPECIFICATION General Using Standard speci ?cations MOB BS EN NBS TG TG TG TG TG TG TG TG TG TG TG STRUCTURAL REQUIREMENTS Selecting a suitable structural grade Equivalent structural performance grade Cut panels Air terminal devices Grilles and swirls Pedestrian dynamic requirements Rolling loads Creep Pedestals Stringers Supplementary support structures perimeters and ramps Loading in corridors Page of Pages Page C ? B I T S ? bitslab btconnect com Section TG Contents Continued TG Weight of the system TG Environmental conditions TG TG TG TG TG TG TG TG DIMENSIONAL REQUIREMENTS Panel dimensions Panel interchange ability Panel location Gaps between panels Air leakage rate Height Pedestal bases TG TG TG TG TG TG TG FIRE AND SAFETY REQUIREMENTS General Relevant current British Standards Spread of ame Panel cladding Structural materials Cavity barriers TG TG TG ELECTRICAL REQUIREMENTS Earthing and bonding Electrostatic control TG TG TG MANUFACTURE AND QUALITY CONTROL General Quality assurance Page of Pages Page C ? B I T S ? bitslab btconnect com Section TG Contents Continued TG TG TG TG SUPPLY DELIVERY AND STORAGE Transportation O ? loading Storage on site TG INSTALLATION TG Dimensional co-ordination TG Installation programme TG Structural sub oor TG Cleaning