Suspended Ceilings

Suspended Ceilings

1. Standards

   • Stanard : BS/EN 13864:2004 BS 476 part 21,22,23 - accoustic attenuation, fire resistance,etc suspended ceilings have many functions - conceiling of light fixtures , fire suppression piping, cabling and ducts Aesthetics used as return duct for aircon reduction of volume in the room, saving on fire suppr. gas
   • Celing height. Space between raised floor to ceiling should at least be 2.60 meter for 42U / 19" racks more height required when using overhead pathways at least 45/46cm of clearance below water sprinker heads and nozzles of gas based fire suppr. systems is required check cleanliness and cabling regularly

2. Review

   • Standards are applicable for raised access floors two main types of flooring are used in DC's Calculation of point and uniform loading needs to be performed point loading take precedence over uniform loading rolling load is the most damaging load proper dimensioning of the 3 voids sizes ensure proper sagety and cooling suspended ceilings have various functions