Replacement Of The 15Kv Switchgear Bus Bridge In The 110/15Kv Poturzyn Substation - Part 1, Modernization Of 15Kv Line Bridges Of 110/15Kv Transformers In The Przeworsk Station And Replacement Of Mv Devices In The Transformer Bays And The Coupling In The 15Kv Switchgear - Part 2, Implemented In The "Design And Build" System . (EXPIRED)