New construction of three apartment buildings with a total of 66 apartments.

ELB.18 Heat supply systems

Delivery and installation of a total of approx. 4,000m2 underfloor heating including additional thermal insulation, 66 heating circuit manifolds, approx. 20,000m PE-Xa pipe, 1,450m stainless steel pipe 1.4520, associated thermal insulation, delivery and installation of 66 bathroom radiators, production of

approx. 240 core boreholes.

ELB.19 Sanitary and ventilation systems

Delivery and installation of 76 washbasins and 76 toilets as well as associated assembly elements,

66 bodengl. Showers, 10 bathtubs, delivery and installation of 810m soundproofed drainage pipe, 950m sound-optimized sewage pipe, 40 flat roof hoods, 2,300m stainless steel drinking water pipes, 2,200m multi-layer composite pipe, associated thermal insulation,

146 single-room fans, 6 duct fan systems KG ventilation incl. dew point controls, 510m spiral seam pipe, 101 maintenance-free fire protection shut-off devices, 33 flat roof hoods ventilation, production of 840 core boreholes

ELB.20 Electrical installation

Delivery and installation of 66 sub-distribution boards, 3 meter systems with transducer measurement, 1,530m plastic sheathed cable NYY 5x16mm2, 1,455m plastic sheathed cable NYY 5x10mm2, electrical installations for 66 apartments and general areas, 66 hands-free stations, 3,000m hybrid cable (CAT+conduit), 2,300m data cable CAT7, 66 multimedia distributors, 2,300m coax antenna cable. Delivery and installation of 153 LED staircase luminaires, 28 bollard luminaires and 11 pole luminaires in the outdoor area, production of 86 core boreholes

ELB.21 PV systems

Delivery, installation and commissioning of 3 PV systems with 34.4 kWp, 29.5 kWp and 29.5 kWp,

3 inverters with associated mounting racks

- Parking space for 46 cars (concrete and grass joint pavement)

- Main access road with ramp in concrete pavement (including fire brigade access)

- House access roads and terraces (paving bricks, concrete slabs) a total of approx. 3,000 m2 paved areas

- Angle retaining walls approx. 75m and concrete wall blocks approx. 260 m for terrain interception

- Planting trees, hedges and perennials

- Lawns and meadows

a total of approx. 3,900 m2 vegetation areas

- Equipment and playground equipment

- Zaunarbeiten

- dewatering work