All floors must be sealed to eliminate dust and static electricity charges. Conduits, sleeves, and that penetrate into the MDF Room shall terminate 4 inches AFF. Ceilings Do not install false ceilings in the MDF Room Sleeves serving stacked above MDF shall terminate no more than 1-1/2 to 3 feet above cable tray. Tray Provide cable tray (ladder type, with capacity equivalent to incoming pathways and sized per NEC) around the periphery of the MDF Room to support and equitably distribute cable within the room. The size and configuration may require cross-room segments. Cross-room segment will be perpendicular to ladder rack. Tray shall be located six inches from the backboard wall. Tray shall be supported by unistrut and all-thread to ceiling. Angle brackets are not acceptable. Ladder Rack Provide 18-inch ladder rack running parallel and attach with mounting plates to the top of the racks. Ladder rack shall extend to both walls, attached by mounting hardware. Conduit Penetrations When conduit enters the MDF Room, it must be reamed, and bushed. Locate penetrations of vertical riser sleeves (or conduits) along the side of the riser backboard. Vertically align these penetrations with those in the IDF Rooms above when MDF is stacked. Sleeve (or conduit) penetrations shall be clustered and stacked to one side of the door, to minimize obstruction of backboard space. Walls: Conduits and sleeves that penetrate into the MDF Room shall terminate no more than three inches into the room and be located 1-1/2 3 feet above the cable tray. – Electrical Provisioning To be determined by design team and IT – Environmental Requirements The MDF Room has year-round, 24/7 HVAC requirements independent from the building’s central needs. Provide dedicated environmental controls within the MDF Room. A separate system may be required. For design purposes, assume a continuous 8000 BTU heat load. For design purposes, maintain the MDF Room temperature in the range of 64-75 degrees F. (Day 1 temperature should be set at 71 degrees F.) The humidity level shall not exceed 30-55% RH. Measure these values at 5-feet AFF. Ensure a temperature change of no more than plus or minus 5 degrees or a humidity change of no more than plus or minus 10% over a 24-hour period of time.
All floors must be sealed to eliminate dust and static electricity charges. Conduits, sleeves, and that penetrate into the MDF Room shall terminate 4 inches AFF. Ceilings Do not install false ceilings in the MDF Room Sleeves serving stacked above MDF shall terminate no more than 1-1/2 to 3 feet above cable tray. Tray Provide cable tray (ladder type, with capacity equivalent to incoming pathways and sized per NEC) around the periphery of the MDF Room to support and equitably distribute cable within the room. The size and configuration may require cross-room segments. Cross-room segment will be perpendicular to ladder rack. Tray shall be located six inches from the backboard wall. Tray shall be supported by unistrut and all-thread to ceiling. Angle brackets are not acceptable. Ladder Rack Provide 18-inch ladder rack running parallel and attach with mounting plates to the top of the racks. Ladder rack shall extend to both walls, attached by mounting hardware. Conduit Penetrations When conduit enters the MDF Room, it must be reamed, and bushed. Locate penetrations of vertical riser sleeves (or conduits) along the side of the riser backboard. Vertically align these penetrations with those in the IDF Rooms above when MDF is stacked. Sleeve (or conduit) penetrations shall be clustered and stacked to one side of the door, to minimize obstruction of backboard space. Walls: Conduits and sleeves that penetrate into the MDF Room shall terminate no more than three inches into the room and be located 1-1/2 – 3 feet above the cable tray. Electrical Provisioning – To be determined by design team and IT Environmental Requirements The MDF Room has year-round, 24/7 HVAC requirements independent from the building’s central needs. Provide dedicated environmental controls within the MDF Room. A separate system may be required. For design purposes, assume a continuous 8000 BTU heat load. For design purposes, maintain the MDF Room temperature in the range of 64-75 degrees F. (Day 1 temperature should be set at 71 degrees F.) The humidity level shall not exceed 30-55% RH. Measure these values at 5-feet AFF. Ensure a temperature change of no more than plus or minus 5 degrees or a humidity change of no more than plus or minus 10% over a 24-hour period of time.
Cable-Standards-Template.docx