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Hyperline- Ideal Industries Cutters - Coax/Twisted Pair Cutters - Twisted Pair Cutters - Coax Cutters - Fiber Cutters Fiber Optic Test Equipment- Ideal Industries


American Tech Supply is now an authorized Hyperline distributor

From copper to fiber, the Hyperline system of products includes everything you need for installation, termination, testing and troubleshooting. And our level of technical expertise, training and customer support ensures that your total cost of ownership is kept to a minimum.

Fireproofing

Protection against the spreading of fire

Raised flooring and hollow flooring offers the ability to place all the building’s service systems, such as cabling, supply and disposal lines, ventilation, heating, air-conditioning, etc. wherever they are needed.
Such facilities also have to satisfy certain requirements in the event of a fire, having to allow for the following criteria:
  1. Protection of adjacent emergency rescue routes
  2. Protection of other neighboring units used
  3. Maintaining the stability of partition walls placed on the floor
  4. Fire-resistance period of the design
  5. Combustibility and building materials rating
  6. Protection against fire in the floor cavity
  7. Protection against fire in the room


Protection against fire in the cavity
The details are regulated in the December 1998 version of the “Sample Guideline for Fireproofing-related Requirements on cavity type flooring and raised flooring” (or: “MDBR”).

Even in the countries in which this guideline has not (yet) been introduced into the building regulations, property developers can still make use of it. In developing and adopting the Sample Guideline, there will be the benefit that the representatives of the states’ building authorities will identify with its content.

Fires cannot be ruled out as a result of operating cable and duct systems, in instances, for example such as overheating. In such cases, the construction has to resist this fire load. In actual practice, it must also be noted that, with small cavities (< than 7.9” (20 cm)), due to the lack of oxygen no blazing fires can develop, which has been accordingly put into practice in the MDBR. In fire tests according to DIN 4102 and DIN EN 13 66 Part 6, ETK-stressing and loading at 1.5 kN/m. is required in Germany. For more details on this, refer to Specifications Sheet 11 of the BVS [National System Floors Association]. The MDBR is presently being revised, the details not yet having been determined at the time of printing.

When studying the MDBR, it is advisable to pay attention primarily to the text. Because most of the illustrated explanations refer to special cases, relying only on these illustrations alone may cause misunderstandings. In addition to this, one must also take into consideration the concerns of spreading fires and of partitioning in fire compartments.


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