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Level(3)TM Overview |
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Modern data centre facility in the Nanterre district of Paris, to the |
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West of the City Centre |
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Operational since June 1999 |
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Technical space arranged over 1 floor |
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Total size (technical space): 4,245 m2 |
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Available fully fitted space: 1,475 m2 |
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Maximum site power: 8 MVA |
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Carrier connectivity: Level 3TM, France Telecom, Colt, Cegetel, |
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Telecom Development, Interoute, Telia, Net/Tiscali, MFN, Completel, |
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UPC, WorldCom |
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Level(3)TM Technical Summary |
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Mains Power |
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8MVA supply via dedicated quad-redundant underground 20kV cable |
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feeds to dedicated redundant 4 MVA 20kV/400V transformer |
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substations |
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Generators |
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Two x 1.2 MVA diesel-driven emergency power generators giving |
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2.4 MVA |
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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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Three x 420 kVA Hybrid Rotary UPS modules providing 840kVA total |
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output with N+1 redundancy |
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15-minute battery autonomy per UPS module |
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Underfloor power track distribution system |
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DC |
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48VDC power system (4500A expandable to 6000A |
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Single bus system with dual-redundant "A" and "B" 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: 4,117mm from top of raised floor |
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750mm raised floor height |
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Raised Floor Loading: 12kN/m2 |
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Structural Floor Slab: 2.5 kN/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 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 in addition for Colocation areas |
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Locks on colocation suites and cabinets |
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Intruder-detection system on all doors and windows |
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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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Level(3)TM 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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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 08.30 - 17.30 (Mon. to Fri.) |
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Customer test area (10 m2) and customer storage area (15 m2) |
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Goods lift - 1.8 m wide x 2.4 m high (maximum load 2,500 kg) |
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