HP ProLiant BL280c HP BladeSystem c-Class Site Planning Guide - Page 12
Floor loading, Raised floor loading
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Floor loading The computer room floor must be able to support the total weight of the installed components as well as the weight of the individual racks as they are moved into position. Floor loading is usually not an issue in nonraised floor installations. The information presented in this section is directed toward raised floor installations. An appropriate floor system consultant should verify any floor system under consideration for installation. Raised floor loading Raised floor loading is a function of the manufacturer's load specification and the positioning of the equipment relative to the raised floor grid. While HP cannot assume responsibility for determining the suitability of a particular raised floor system, it does provide information and illustrations for the customer or local agencies to determine installation requirements. Rack static and dynamic loads are detailed below: Rack HP 10636G2 HP 10642G2 HP 10647G2 HP 10842G2 Static load 908 kg (2000 lb) 908 kg (2000 lb) 908 kg (2000 lb) 908 kg (2000 lb) Dynamic load 690 kg (1520 lb) 908 kg (2000 lb) - 454 kg (1000 lb) Notes Includes rack weight Includes rack weight Cannot ship with equipment installed - For more information, see the following websites: • Best practices for HP 10000 Series and HP 10000 G2 Series Racks on the HP website (http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00883424/c00883424.pdf). • Rack and power page on the HP website (http://www.hp.com/go/rackandpower). HP recommends the following guidelines: • Because many raised floor systems do not have grid stringers between floor stands, the lateral support for the floor stands depends on adjacent panels being in place. To avoid compromising this type of floor system while gaining under-floor access, remove only one floor panel at a time. • Larger floor grids (bigger panels) are generally rated for lighter loads. CAUTION: Do not position or install any equipment cabinets on the raised floor system until you have carefully examined it to verify that it is adequate to support the installation. Average floor loading The average floor load value is not appropriate for addressing raised floor ratings at the floor grid spacing level. However, it is useful for determining floor loading at the building level, such as the area of solid floor or span of raised floor tiles covered by the rack footprint. General site preparation guidelines 12