Raised Floor Weight Loading
The building floor must support the weight of the equipment to be installed.
Raised floor weight loading. The weight of the raised floor is considered in the floor loading formula. Occasionally we are asked what weight can my access floor support. Log in to reply. With an evenly distributed live load of 30 psf which the tables show the floor is able to support the total weight on the floor would be about 3 360 pounds.
Although older devices might impose 345 kg m 2 75 lb ft 2 on the building floor a typical server design imposes a load of no more than 340 kg m 2 70 lb ft 2. If you are new to raised floor terminology we suggest a visit to the glossary. What the raised floor panel sees is the load presented at the point or points if a single panel is supporting two leveling feet on adjacent racks in which case you re looking at a total. The point load is the weight of a rack on any one of these four points.
In some models the actual load weight per square inch was much less than the 4 to 6 point load on a standard king size bed. A floor tile must have higher than 550 pound point load which means that for a 1 inch square area on the tile must be able to support 550 pounds on that. Raised floors are useful for creating pathways for piping wires cable conduit and airflow. Todd on june 6 2018 at 6 21 am how much weight can a 11 7 8 x 1 3 4 x 20 wooden i joist hold.
How much weight can a floor support. Increasing the total weight on the floor to 4 480 pounds however results in a live load of 40 psf which is beyond the floor s load capacity. If you have made it this far we assume you already know you need an access floor. This is commonly referred to as the concentrated load rating of the access floor panel.
The weight load capacity range for standard raised access flooring ranges from 950 pounds 1250 pounds. A floor loading assessment is the evaluation of the concrete subfloor not the raised floor. Weight load capabilities. How much weight can a raised access floor hold.
For example a sun fire 15k server is 2200 pounds with four casters so the load distribution is 550 pounds per caster. If you are unfamiliar with the the terms used to describe the loads on raised floor a quick visit to understanding loads will assist you. However you should consider the weight of the raised floor in the floor loading formula. In short in a raised flooring system load capacity usually pertains specifically to the maximum demand stress or load that can safely be placed upon a raised access floors without causing it to fail.
Floor loading calculations help you make better racking decisions. And if you don t calculate correctly you ll have an expensive repair on your hands.