sewage, water, gas, heat supply systems;

Short description of services KG 410

The present tender is for a complete renovation of a listed building of the TU Darmstadt.

The following services are to be performed:

•Connection to drinking water inlet DN 80

•Connection to service water inlet DN 40

•Verbundwasserzähler DN 80

•Woltmannzähler DN 50

•Mehrstrahlzähler DN 50

•Mehrstrahlzähler DN 25

•2 electric flow heaters 11 kW

•29 mini tankless water heater 3.5 kW

•Disassembly and reassembly of 51 washbasins

•Sanitary facilities: 63 washdown toilets, 22 urinals, 2 shower trays, 3 washbasins barrier-free. 3 washdown toilets barrier-free

•Approx. 2000 m of stainless steel pipe in various dimensions insulated according to GEG

•Approx. 1100 m of multilayer composite pipe in various dimensions insulated according to GEG

•Approx. 325 m R 90 pipe seals in various dimensions

•2 x connection to waste water house inlet DN 150

•2 x connection to rainwater house inlet DN 250

•Approx. 1500 m of sewage pipe cast iron with two-component epoxy coating in various dimensions

•Approx. 1200 m of rainwater pipe cast iron with two-component epoxy coating in various dimensions

•275 Fire protection of cast iron pipelines

•2 fully floodable submersible sewage pumps Flow rate: 50.00 m³/h, head: 8.00 m

•2 submersible moto pumps for stationary and transportable wet installation Flow rate: 2.50 m³/h, head: 8.00 m

• 4 fully floodable submersible waste water pumps Flow rate: 5.00 m³/h, head: 8.00 m

•Waste water lifting station flow rate: 4.00 m³/h, head: 5.00 m

• 4 vertical single-stage submersible waste water pumps Flow rate max: 11.00 m³/h, Head: max: 8.00 m

•Dismantling of the old system

Short description of services KG 420

The present tender is for a complete renovation of a listed building of the TU Darmstadt.

The following services are to be performed:

•District heating transfer station for a heating network with a heat output of 1.03 MW

•Heating distributor 300/300, approx. 5.50 m, for 5 heating circuits including control groups

•Heating distributor 160/160, approx. 3.50 m, for 4 heating circuits including control groups

•Wet rotor pump flow rate: 2.70 m³/h, delivery head: 4.10 m

•Wet rotor pump flow rate: 1.70 m³/h, delivery head: 3.30 m

•Wet rotor pump flow rate: 6.20 m³/h, delivery head: 7.00 m

•Wet rotor pump flow rate: 16.00 m³/h, delivery head: 7.60 m

•Wet rotor pump flow rate: 34.00 m³/h, delivery head: 7.80 m

•Wet rotor pump flow rate: 19.00 m³/h, delivery head: 6.90 m

•Wet rotor pump flow rate: 40.0 0 m³/h, delivery head: 7.60 m

•Pressure maintenance station with control unit, expansion tank 800 l, dirt separator and desalination

•Heat meter DN 50 PN 16

•Approx. 8500 m of stainless steel pipe insulated in various dimensions according to GEG

•Approx. 2800 m of seamless threaded pipe in various dimensions insulated according to GEG

•Approx. 350 m of R90 pipe seals in various dimensions

•104 radiators in element construction in different dimensions

•11 panel radiators in different dimensions

•830 x connection of the heating pipe network to the ceiling heating system supplied by the customer

•Dismantling of the old system