Gas, Water and Drainage Systems Tender

• Country: Germany
• Summary: Gas, Water and Drainage Systems
• DET Ref No: 140213372
• Deadline: 25 May 2026
• Financier: Self Financed
• Purchaser Ownership: Government
• Tender Value: Refer Document
• Notice Type: Tender
• Document Ref. No.: 42/2026
• Purchaser's Detail:
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• Description:
• Wastewater disposal: Drainage within the building takes place via ground, collecting and downpipes as well as the necessary ventilation and bypass pipes made of sound-insulated dB20 pipe in accordance with DIN EN 12056 and DIN 1986-100. In the main building they are Wastewater is collected floor by floor via downpipes, collected below the ceilings on the ground floor or first floor and led via the shortest route into the external underground pipe to the house connection. Existing floor drains in the heating center and in Hot water preparation room is checked and repaired. Particular attention is paid to the intermediate building (kitchen), where the system is being comprehensively technically checked and renovated due to previous accidents. The connection lines in the sanitary rooms are in PE-HT executed and combined as a pre-wall installation. Fire protection when penetrating fire compartments is provided by pipe insulation of the appropriate fire resistance classes according to DIN 4102-11 and by fire protection encapsulation secured in suspended ceilings. Drinking water installation The entire drinking water system is reinstalled up to the house connection. The execution is carried out in accordance with the European basic standards (DIN EN 806-1 to 5, DIN EN 1717) as well as the national ones Supplementary standards (DIN 1988-100 to 600). Stainless steel pipe (material 1.4401) in accordance with DIN EN 10088 is used for the distribution and branch lines, supplemented by shut-off and drain valves made of gunmetal. The drinking water distribution is thermally separated and, depending on the situation, concealed in pre-walls, under plaster or in suspended ceilings using a multi-layer metal composite pipe in the insulation tube. All lines are marked with colored rings according to the flow medium. The central one Domestic hot water continues to be prepared via the existing storage charging system (built in 2019) in the basement. To protect against heating, condensat...
• Documents:

 Tender Notice