CONSTRUCTION OF THE W-38 ELECTRICAL SUBSTATION AT THE WASTEWATER TREATMENT PLANT

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Investor

Conducting all necessary arrangements with PCC Rokita S.A. services regarding the performance of works, organization, and planned outages of the plant network required for the Investment, as well as with PKP (Polish State Railways) regarding the protection of railway tracks using “Swiss-type” rail bundle relief structures.
Construction of the new W-38 electrical substation building (indoor, two-level).
Execution of electrical sector works including the supply, installation, and commissioning of:
- Two 6/0.4kV dry-type 2500 kVA transformers.
- 4000A busbars.
- 6kV and 0.4kV cable lines running, among others, through restricted PKP areas and under provincial and national roads outside the PCC Rokita premises.
- 19-bay, two-section, two-system Medium Voltage switchgear.
- 220VDC battery room (two sections, battery banks of 300Ah each, 106 cells). Auxiliary Power Supply Switchgear (RPW), equipped with an Automatic Transfer Switch (ATS/SZR) and network parameter analyzers.
- Direct Current Switchgear (RPS), equipped with a DC-test system for monitoring the insulation resistance of DC circuits.
- Facility switchgears and cable connectors.
- Metering cabinets, telemechanics, and disturbance recorders.
- Installation of external lighting, basic lighting, and emergency lighting.
- Lightning protection installation.

Execution of telecommunications sector works including supply, installation, and commissioning.
Execution of multi-sector as-built documentation.

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