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| Level 3TM Overview |
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Modern data centre facility situated in Southeast of Dusseldorf |
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Operational since November 2000 |
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Technical space arranged over two floors |
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Total size (technical space): 6,863 m2 |
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Available fully fitted space: 1,866 m2 |
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Available "Shell and Core" space: 1,484 m2 |
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Carrier connectivity: Level 3TM, COLT, DTag, ISIS, Wingas, Versatel |
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| Technical Summary |
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| Mains Power |
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4MVA (6 ultimate) supply via dedicated underground 10kV cable feeds |
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to dedicated 2 x 2MVA (3 x 2MVA ultimate) 10kV/400V transformer |
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substation |
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| Generators |
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One (two ultimate) x 2.5MVA diesel-driven emergency power |
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generators giving 2.5 MVA (5MVA ultimate) |
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Automatic start in less than one minute to feed 100% of the facility |
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Generators tested monthly |
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Fuel storage (Diesel) for 24-hour continuous operation at 100% load |
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24 x 7 agreement with local fuel supplier |
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| UPS |
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2 x 500kVA (additional 4 x 625 kVA possible) Hybrid Rotary UPS |
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modules providing 500kVA total output with N+1 redundancy |
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15-minute battery autonomy per UPS module |
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Dual redundant A and B distribution strategy |
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Underfloor power track distribution system |
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| DC |
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48VDC power system. 400A "A" + 400A "B" expandable to 2385A "A" |
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+ 2385A "B" |
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Dual-redundant "A" and "B" systems with dual redundant "A" and "B" |
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distribution |
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Four hours of battery autonomy |
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Underfloor direct A and B feeds from PDU to fuse panel |
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| Environment |
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750W/m2 average cooling capability over the gross space |
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Temperature regulated overall to 21°C ± 2°C |
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Humidity regulated overall to 50%RH ± 10% |
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Technical areas positively pressurized to minimize dust ingress |
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| Physical |
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Minimum floor-to-ceiling height: 3,700mm from top of raised floor |
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650mm raised floor height |
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Raised Floor Loading: 12kN/m2 |
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Structural Floor Slab: |
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Ground floor - 25kN/m2 |
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First/Second Floors - 10kN/m2 |
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| Fire Strategy |
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Use of non-inflammable and low-smoke zero halogen materials where |
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possible |
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No storage (especially of flammable materials) within technical space |
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Building split into sealed, independent, fire compartments |
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Very Intelligent Early Warning (V.I.E.W.) detection above and below |
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raised floor |
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Smoke extract system activated by fire alarm |
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Double-interlocked pre-action dry pipe sprinkler system |
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| Security |
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Remote security monitoring 24 x 7 |
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Full electronic access control system, based on Proximity cards with |
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photo and PIN keypads |
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Biometric Palm-scanners for Colocation area |
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Intruder-detection system on escape and riser doors |
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| Closed Circuit Television (CCTV) |
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CCTV monitoring and recording of all access points and circulation |
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areas |
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| Building Monitoring System (BMS) |
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Local Operations and Control Centre |
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Network monitoring system with critical alarm repeating to Regional |
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Management Centre |
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24 x 7 local monitoring and logging of temperature and humidity |
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conditions and alarms |
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Full perimeter under-floor leak detection linked to building monitoring |
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system |
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| Telecom Infrastructure |
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Facility is designed to accommodate standard rack/cabinets of |
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2,200mm nominal height |
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Power is normally distributed under floor; fibre and copper cabling |
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distributed overhead (fibre within a managed containment system, |
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copper within a heavy-duty ladder rack system) |
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Fibre entry to the building is via two independent points |
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| General Facilities |
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Dedicated loading area - delivery hours 08.00 - 18.00 (Mon. to Fri.) |
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Customer test room and kitchen (90m2) |
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Goods lift - 1.15m wide x 2.5m high (maximum load 1,350 kg) |
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