New building Lichtbergschule Eiterfeld, school building N1-N5 - Electrical Engineering

New school building (N1-5): description of the technical electrical installation work

In the course of the project "New construction of the Lichtberg School in Eiterfeld", the new electrical construction of the new school buildings of the Lichtberg School takes place.

The electrical installations are carried out as surface and flush mounting. The wiring is done exclusively with halogen-free cables.

The cable is generally laid via cable trays, collection holders and loop dowels in the intermediate and suspended ceilings. The supply of the individual floors is carried out via riser routes in the new shafts to be built.

All cable routing systems such as parapet ducts, cable ducts and plastic pipes are designed as halogen-free cable systems.

Lighting and sun protection control is carried out via a KNX system.

The escape and rescue routes are marked by central battery lights with substations.

Electrical SHEV controls are used to control the SHEV fume hood systems.

The new building will be equipped with a lightning protection system according to lightning protection class 3.

The school building will be networked with the existing BMA and PA system. The scope of services only includes the BMA and PA cabling for the N1-5 clusters. The BMA and PA components, as well as their commissioning, are carried out on site.

The school building N1-5 is connected from the local technical center via a star-shaped cabling.

For this purpose, new data cabinets will be installed in the school building to supply the building on levels -1 to 2.

The tertiary cable network is designed as a copper network with S-STP cable (Cat. 7a). The network is set up in a star shape from the distribution cabinet to the junction boxes.

The structured computer cabling is used for the telecommunications and data connections.

The following electrotechnical performance areas are included:

- low voltage switchgear

- Low-voltage installation systems

- lighting systems

- emergency lighting systems

- lightning protection system

- Electroacoustic systems (wiring only)

- Fire alarm systems (wiring only)

- Rauchwärmeabzugsanlagen

- Transmission grids (EDP)

- Automatisierungssystem KNX

- sun protection

- Cabling HLS/BMS technology

Electrotechnical scope of services:

- ca. 23x Niederspannungsverteilungen (1x GHV, 22x UV)

- ca. 10x Datenschränke

- approx. 800m underground cable (1.5mm² to 16mm²)

- approx. 1,200m underground cable (25mm² to 250mm²)

- approx. 150m fibre optic cable buried

- approx. 500m of underground control lines

- approx. 43,000m installation cables (1.5mm² to 16mm²)

- approx. 1,000m installation cables (25mm² to 95mm²)

- approx. 8,000m control lines

- ca. 400m Brüstungskanal

- ca. 1.000m Kabelpritsche

- approx. 2,000 switches and sockets

- approx. 600x louvre luminaires, approx. 300x downlights, approx. 140x light channel luminaires, approx. 150x surface-mounted + outdoor luminaires and approx. 340x safety + escape sign luminaires

- approx. 1,600m catch and discharge pipes, approx. 100x air-termination rods + separation points

- Approx. 3,500m of PA cables

- approx. 8,000m of BMA cables

- ca. 18.000m Netzwerkdatenleitung, ca. 400x Datendosen

- approx. 1,500m fiber optic cable

- KNX system with approx. 1,000x bus nodes to control the lighting

and sun protection

- approx. 7,000m KNX cable

- ca. 120x Sonnenschutzanschlüsse