Construction Work - Execution Of Construction And Assembly Works For The Task Modernization Of Gpz Szkarada. 1. The Subject Of The Order Is The Expansion And Reconstruction Of The 110/15 Kv Gpz Szkarada Power Station In The Scope Of Primary And Secondary Circuits Of The 110 Kv Switchboard Along With Accompanying Infrastructure, Cabling Of 15 Kv Bridges With Power Transformers, Adaptation Of Auxiliary Stations And The Purchase And Installation Of Power Transformers - 31 .5Mva*2. 1) The Scope Of Works Includes: A) Dismantling Of Equipment With Foundations, Busbars, Insulation, Supporting Structures And Lightning Protection Masts With Foundations, Cable Cabinets In 110Kv Line Bays, Coupling Bay And Transformer Bays (Gates Remain At Transformer Stations), B) Dismantling Of Overhead Lines (Cable) 15Kv Busbar Bridges With Supporting Structures And Foundations, C) Construction Of A Mesh Earth Electrode In The Area Of The 110Kv Switchgear And Equipotential Earthing In The Places Where Apparatus Drives And Cable Cabinets Are Serviced, D) Construction Of Two 110Kv Line Bays, A Coupling Bay And Two Transformer Bays (New Equipment, Supporting Structures, Busbars, Insulation), E) Replacement Of Existing 16Mva Hv/Mv Transformers With Units With A Power Of 31.5Mva (Without Rebuilding The Stands), Replacement Of Zero Point Earthing Switches, Renovation Of Transformer Gates, F) Replacement (Disassembly) Of Plates On Channels Cable Ladders, Replacement Of Cable Ladders In Ducts, G) Renovation Of All Existing Concrete Structures, Foundations Of Steel Structures And Steel Structures That Are Not Subject To Demolition Works, H) Construction Of A New Section Of Cable Duct In Accordance With The Design, I) Replacement Of Cables Connecting Cable Cabinets Of 110Kv Bays With 110Kv Switchgear Equipment And Control Cabinets In The Control Room, J) Construction Of 15Kv Cable Bus Bridges Connecting Hv/Mv Transformers With The 15Kv Switchgear, K) Replacement Of Mv Cables Supplying Auxiliary Transformers Tpw1, Tpw2, L) Replacement Of Fences For Tpw1, Tpw2, Bkr1, Bkr2 Stations , Replacement Of Ftpw1 And Ftpw2 Junction Boxes And Low Voltage Cables, M) Disassembly Of Measurement And Control Boards And Auxiliary Needs In The Control Room, N) Installation Of Cabinets In The Control Room: 110Kv Control Bays, Central Signaling, Zs/Lrw, Energy Measurements, Ac/Dc Auxiliary Needs , Guaranteed Voltage, Sot, Telemechanics (Use Of The Existing One), O) Replacement Of 220V Battery Banks, P) Expansion Of The Telemechanics Controller, Q) Implementation Of An Engineering Link, R) Reconstruction Of Communication Devices And The Device Power Supply System, S) Reconstruction Of Fiber Optic Tracts Due To The Replacement Supporting Structures Of Linear Gates T) Making Changes In The Configuration Of The Telemechanics Controller (Exmst2) And In Scada Master Systems (Rdm, Cdm), U) In Gpz Gąbin In The 110Kv Field In The Szkarada Direction, Replacement Of Analogue Protections With Digital Ones (In The Control Cabinet), Replacement Of The Cable Cabinet And Cable Connections: Cabinet – Hv Devices And Cabinet – Control Room. Reconfiguration Of The Telemechanics Controller, Convergence Of Distance Protection Of The Gąbin-Szkarada Line, V) Post-Installation Tests And Measurements
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