Tenders Are Invited For Works For Complete Or Part Construction And Civil Engineering Work – Esplanadin Vesihuoltotunneli Tp 8-25

Works For Complete Or Part Construction And Civil Engineering Work – Esplanadin Vesihuoltotunneli Tp 8-25. The Acquisition Focuses On The Construction Of The Esplanade Water Supply Tunnel. The Esplanade Water Supply Tunnel Is Located In The Neighborhoods Of The City Of Helsinkis Guardian City (03) And Kamppi (04). The Tunnel Is Located Between The Esplanade Park And The Munkkisaari-Mäntymäki-Water Supply Tunnel. The Esplanade Water Supply Tunnel Is A Tunnel Mining Into The Rock, Where Part Of The Tunnel Is A So -Called Wet Tunnel, Where The Sewer Runs As An Open Sewer. The East End Of The Tunnel Is A So -Called Dry Tunnel, Where In Addition To Sewer Pipes, It Is Possible To Move By Vehicles And Walking. The Project Will Build A Water Supply Tunnel In The Bedrock Of A New Vertical Shaft Located On The Esplanade And Munkkisaari-Mäntymäki Water Supply Tunnel. In Addition, The Project Will Build A Work/Driving Tunnel From The Downtown Service Tunnel From The Kämp Block Area Towards The Water Supply Tunnel. Along The Water Supply Tunnel, The Mixed Sewer Waters Derived From Unioninkatu, Southern Shore And Esplanades To A New Vertical Extent Are Directly Directed Towards The Existing Munkkisaari-Mäntymäki Water Supply Tunnel. At A Later Stage, After Separation, Waste Water Alone Is Led Along The Tunnel. Sewer Management Requires Construction Work On The Ground In The Esplanade Park And The North Plan, Fabianinkatu And South Esplanade. In The Final Situation, The Vertical Shaft Of Water Supply Does Not Leave The Structures Visible On The Ground. The Ground Part Of The Water Supply Tunnels Emergency Exit Is Located Northeast Of The South Esplanade And The Corner Of Fabianinkatu, And The Water Supply Tunnel Is Designed To Be Located Along The Eteläesplanade. Not All Procurement Documents Are Directly Available From The Tender Service.Fi Portal To The Subscriber Due To Confidential Information They Contain, And Therefore Plans Will Be Sent Only To The Candidates Selected For The Candidates When Requested For A Preliminary Bid For The Confidentiality.