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| Level 3TM Overview |
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Modern data centre facilty situated in the south of Berlin, close to |
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Berlin-Tempelhof airport |
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Operational since October 2000 |
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Technical space arranged over two floors |
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Total size (technical space): 7,744 m2 |
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Available fully fitted space: 2,852 m2 |
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Maximum site power: 8 MVA |
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Carrier connectivity: Level 3TM,Colt, DTag, Versatel, QSC |
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| Technical Summary |
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| Mains Power |
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Dedicated underground 10kV cable feeds to 3 x 2MVA, (4 x 2 MVA |
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ultimate) 10kV/400V transformer substation |
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| Generators |
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One (three ultimate) x 2MVA diesel-driven emergency power |
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generators giving 2 MVA (6 MVA ultimate) |
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Automatic start in less then 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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Two (three ultimate) x 625kVA Hybrid Rotary UPS modules providing |
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625kVA (1,250kVA ultimately) total output with N+1 redundancy |
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15-minute battery autonomy for each 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: 3,100mm from top of raised floor |
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850mm raised floor height |
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Raised-floor loading 30kN/m2 |
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Structural Floor Slab: Ground Floor - 30kN/m2; First Floor - 8kN/m2 |
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| Fire Strategy |
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Use of non-inflammable and low-smoke, zero-halogen materials |
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where possible |
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WorldCom Local No storage (especially of flammable materials) within |
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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 |
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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 24 x 7 security monitoring |
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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 areas |
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Locks on colocation suites and cabinets |
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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 con- |
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ditions and alarms |
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Full permiter 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 normall 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 via two independent points |
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| General Facilities |
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Dedicated loading area - delivery hours 8.00-18.00 (Mon to Fri) |
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Customer test room (68 m2) and storage area (48 m2) |
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Goods lift - 1.4m wide x 2.6m high (maximum load 2,500kg) |
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