Germany - electrical engineering installation

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Details

Provided by Open Opps
Opportunity closing date
26 August 2019
Opportunity publication date
25 July 2019
Category
45315100: Electrical engineering installation works
Value of contract
to be confirmed
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Description

Power current systems and equipotential bonding VE301. The low-voltage main distribution board (NSHV) of the building is fed in via 2 outgoing fields, each with a hermetic oil transformer. The NSHV is divided into part A and part B by means of a coupling switch. Part A feeds in a central modular UPS system for the uninterruptible power supply of the server room and individual consumers. The sub-distributors for the supply of the individual floors (2.UG-3.OG) are fed alternately from part A or B of the NSHV. Cable laying for the energy supply of offices and laboratories is mainly carried out via cable routes and ducts. In order to reduce the generation of harmful smoke gases, halogen-free cables are always used for the installation. For the offices, media columns are provided to accommodate the installation devices. In the laboratories, only the connection cables for the separate sub-distributors are installed in the laboratory lines. The lighting system is divided into a general and a safety lighting system. LED luminaires are used as illuminants in all areas. A group battery system is provided for the safety lighting. The majority of the lighting is controlled by building automation. Switches and presence detectors are only provided for technical rooms and toilets. For power distribution in the server room, busbars with corresponding outgoing feeder boxes are to be installed for the connection of the server cabinets and LCPs.A raised floor is to be erected for some of the technical rooms.Medium-voltage switchgear:5 pcs. circuit-breaker panel L2 without KU capability 1 pc. busbar longitudinal-coupling panel V2 with circuit-breaker 2 pcs. oil transformer 10 kV, 1 600 kVA 75 m2 raised floor/control room floor Own power supply system:3 pcs. UPS system, converter cabinet, max. equipment 200 kVA 1 UPS battery system, consisting of 5 battery strings each with 40 12V blocks 270 m special rubber core cable NSGAFÖ 1 x 95 1 224 m heavy rubber hose cable H07ZZ-F 1 x 95 320 m heavy rubber hose cable H07ZZ-F 1 x 240 low-voltage switchgear: 3 feed panels for 3-pole open circuit breakers 3 outgoing feed panels for 3-pole open circuit breakers 5 outgoing feed panels for 3-pole open circuit breakers Outgoing feeder panel in universal installation technology, fixed installation technology 60 m conductor rails 2 500 A 110 m conductor rails 250 A 6 Energy switchgear and controlgear combination as upright cabinet with 15 pcs. Active consumption meter Kl.1 single tariff meter 3 x 230/400 VAC 190 pcs. Residual current circuit breaker RCBO type A undelayed 16A Residual current 30 mA 52 pcs. power distribution busbar 250 A 22PLE 10 300 m installation cable halogen-free NHMH-J 3 x 2.5 RE existing. cable tray/duct 2 750 m installation cable halogen-free NHMH-J 5 x 6 RE existing. cable tray/duct 250 m cable halogen-free N2XCH 4 x 120 SM/70 existing. cable tray/duct 370 m cable tray steel strip galvanized H 100 mm B 300 mm 50 m wide span cable tray steel galvanised H 100 mm B 500 mm 55 m wide span cable tray steel galvanised H 100 mm B 600 mm 24 pcs. Suspension construction for wide span cable trays 400 pcs. handle outrigger steel up to 2 kN L up to 1 000 mm 62 pcs. fire protection bulkheads cable systems MW-Pl.Schott S90 50 m2 fire protection clothing cable tray I90 Lighting systems:135 pcs. 54 W surface-mounted diffuser luminaire clear 107 pendant luminaire LED 68 W 174 recessed light duct 1 200 mm 6 pcs. central power supply system LPS 1h consumer power 57 pcs. escape sign luminaire pane luminaire without frame recognition range 22 m 74 pcs. safety luminaire continuous/standby circuit ceiling surface-mounted IP40 equipotential bonding:1200 m plastic core cable halogen-free H07Z-K 1 x 6 500 m plastic core cable halogen-free H07Z-K 1 x 25.

Opportunity closing date
26 August 2019
Value of contract
to be confirmed

About the buyer

Address
Helmholtz-Zentrum Potsdam, Deutsches GeoForschungsZentrum GFZ – Vergabestelle Telegrafenberg Haus G 255 Potsdam 14473 Germany
Contact
vergabestelle@gfz-potsdam.de

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