Tenders Are Invited For Underground Work Other Than Tunnels, Shafts And Subways - Etzelwerk Power Plant Renovation - Lot 202 - Starting Pit

Underground Work Other Than Tunnels, Shafts And Subways - Etzelwerk Power Plant Renovation - Lot 202 - Starting Pit. The Etzelwerk Power Plant, Built Between 1932 And 1937, Uses The Gradient Between Lake Sihl And Lake Zurich To Generate Energy And Produces Around 10% Of Switzerlands Traction Power Requirements. After The License Renewal In 2023, Sbb Is Now Carrying Out The Renewal And Replacement Of Parts Of The Etzelwerk Pumped Storage Power Plant As Part Of The “Etzelwerk Power Plant Renewal” Project. This Includes Replacing The Existing Covered Pressure Pipes Between The Moated Castle And The Machine House In Altendorf With An Armored Pressure Shaft Located Underground. The Subject Of This Tender Is The Creation Of The Starting Excavation Pit, From Which The New Pressure Shaft Will Be Excavated Between The Machine House And The Existing Moated Castle In Bilsten, The Material Management Of The Excavated Material From The Starting Excavation Pit And The Tunnel Excavation Material, As Well As The Dismantling And Backfilling Of The Starting Excavation Pit. Below Are Some Of The Main Data For The Tendered Lot: Starting Excavation Pit: * Excavation: Approx. 60,800 M3 Solid * Reinforced Shotcrete Approx. 3600 M2 * In-Situ Concrete Bored Piles Approx. 53 Pieces. Tunnel Driving: * Excavated Material Approx. 24000 M3 Solid Further Information Can Be Found In The Tender Document B1.1-Special Provisions And The Other Tender Documents.