Germany - Construction work

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Details

Provided by Open Opps
Opportunity closing date
08 December 2022
Opportunity publication date
31 October 2022
Category
45000000: Co
Value of contract
to be confirmed
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Description

The city of Freinsheim Sanierungsträger GmbH is planning the construction of a residential complex consisting of 4 buildings with 10 residential units each on Erpolzheimer Straße in Freinsheim. The two southern houses B&D will have an underground garage with a total of 38 parking spaces.subject of this tender are heating systems.
The city of Freinsheim Sanierungsträger GmbH is planning the construction of a residential complex consisting of 4 buildings with 10 residential units each on Erpolzheimer Straße in Freinsheim. The two southern houses B&D will have an underground car park with a total of 38 parking spaces.The subject of this invitation to tender is heating systems.This involves the construction of a heating system for 40 residential units.The heat generation is planned centrally with a brine-water heat pump cascade, installed in the heating center in the underground car park area. The generated heat is transported to the buildings by means of underground pipes. The heating water buffer storage systems will also be located in the technical center. The central heating sub-distribution system for each building will be installed in the respective attics, together with the associated safety fittings and expansion vessels. Summer thermal protection will be provided by passive cooling of the brine-to-water heat pump via the underfloor heating system. The main distribution pipe network is made of unalloyed steel (carbon steel pipe) according to DIN. Each outlet at the main heating circuit manifold will be equipped with a high-efficiency, speed-controlled pump and a motor-controlled three-way mixing valve. The piping will be insulated in accordance with the latest version of the EnEV. An apartment station for domestic hot water preparation and underfloor heating circuit supply is provided for each apartment unit. The apartments have a room-by-room controlled underfloor heating including room thermostat, which can be limited in the maximum temperature.Essentially, the following services will be required:2 brine-water heat pump systems2 buffer storage systems2 heating circuit main distributions8 heating circuit subdistributions1 control technologyca. 200 meters of pre-insulated drinking water pipes in the outdoor areaca. 3000 meters of heating pipesca. 10,500 meters of underfloor heating pipeca. 40 apartment transfer stations with integrated floor heating circuit distributor

Opportunity closing date
08 December 2022
Value of contract
to be confirmed

About the buyer

Address
Stadt Freinsheim Sanierungsträger GmbH Bahnhofstraße 12 Freinsheim 67251 Germany
Contact
sanierungstraeger@outlook.com

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