Tenders of Offizielle Bezeichnung Bundesrepublik Deutschland, Vertreten Durch Den Landesbetrieb Bau Und Immobilien Hessen, Zentrale Vergabe

Public tender Vob/a heating systems and central water heating systems (DIN 18 380); delivery and installation of a pellet heating boiler system (600 kW) in a container, associated chimney system and pellet silos, buffer storage system, incl. piping and fittings

Public tender Vob/a metal construction work (DIN 18 360); low and medium voltage systems up to 36 kV (DIN 18 382); ventilated facades (DIN 18 351); glazing work (DIN 18 361); facade work, windows ... Multi-metal construction work (DIN 18 360); low and medium voltage systems up to 36 kV (DIN 18 382); ventilated facades (DIN 18 351); glazing work (DIN 18 361); facade work, windows and doors, PV system for the future weather radar tower of the DWD. 255 m² substructure, 152 pieces of PV facade elements, 7 external and internal doors, 6 window elements.

Public tender Vob/a landscaping work (din 18 320); Creation of a replacement water body as part of CEF measures

Public tender Vob/a Air conditioning systems (DIN 18 379); 410 Wastewater, water, gas system Wastewater systems - New construction of a pipe network for condensate drainage from air conditioning units made of PVC-u, total pipe length ... Multi-room air conditioning systems (DIN 18 379); 410 Wastewater, water and gas systems Wastewater systems - New construction of a pipe network for condensate drainage from air conditioning units made of PVC-U, total pipe length approx. 35 m, nominal widths DN 25 to DN 50 - Outdoors with pipe heating, approx. 15 m - Free outlet on roof surface - 2 x fire protection partitions for PVC-U pipes 50 mm Water systems - No water systems are planned 420 Heat supply systems Heat generation systems - 1 x electric wall convector 1500 W as frost protection heating in the technical room 430 Air conditioning systems Ventilation systems - Radial fan for exhaust air DN 100 with motorized control flap, insert volume flow controller - Air filter box EPM1 Ø100mm - Duct smoke detector - Ventilation duct for duct-bound air conditioning of the radome via a precision climate cabinet made of steel, duct parts approx. 27 m², molded parts approx. 12 m² - ventilation pipes for fresh air for radome air conditioning, approx. 6 m spiral-seam pipe Ø100 mm - thermal insulation completely made of flexible elastomer foam 19 mm, approx. 40 m² - 2 ventilation grilles 500x400 mm for floor installation, 2 weather protection grilles Ø100 mm for facade partial air conditioning systems - precision air conditioning unit for radome air conditioning with high requirements for temperature accuracy and dehumidification, nominal cooling/heating output 10.7 kW/7.5 kW, electric heating, cooling via condenser - two split air conditioning units each with nominal cooling/heating output 6.8/7.5 kW as a redundancy circuit - each outdoor unit heated with mounting system and condensate collection tray - refrigerant piping made of copper pipe, total line length approx. 110 m, nominal diameters Ad 10 mm Up to Ad 28 mm, including diffusion-tight thermal insulation, approx. 21 m plus sheet metal cladding in the outdoor area - 6 shut-off valves nominal widths Ad 10 mm up to Ad 28 mm - 6 pieces of fire protection partition for refrigerant lines