Tenders Are Invited For Modernization Of The Water Treatment Plant And Construction Of An Additional One Underground Water Intake

1. The Order Covers The Implementation Of Complete Formal, Drilling, Assembly, Installation And Electrical Works Related To The Construction And Development Of A New Hydrogeological Well - Deep Well No. 3A On The Premises Of The Dziekanka Hospital, On Plot No. 2398/14, District 001 Gniezno, Registration Unit 300301_1 Gniezno-Miasto, At Ul. Poznańska 15 In Gniezno. A Detailed Description Of The Subject Of The Order Can Be Found In Annex No. 9 To The Swz - Design Documentation. The Entire Task Was Divided Into Two Scopes. Scope I - Modernization Of The Water Treatment Station Modernization Of Two Existing Underground Water Intakes: - Reconstruction Of Two Existing Water Intakes - Changing The Casing Of A Deep Well From Underground To Aboveground. The New Development And Accessories Are Described In The Design Documentation - Replacement Of Riser Pipes And Submersible Pumps (The Pumps Are Sunk At A Depth Of 45 M). - Replacement Of Cables Supplying Submersible Pumps - The Cable Connector Is Located Within The Protection Zone Of The Underground Water Intake - Replacement Of The Mesh Fence Constituting The Protection Zone Of The Direct Water Intake. The Existing Underground Water Intakes Should Be Fenced: Well No. 1 And 6B Are Located In One Protection Zone In The Shape Of A Rectangle Measuring 15X22m. A Gate With A Width Of At Least 1.0M. Anthracite Coated Mesh. Round Posts Ø42mm, Galvanized, Powder-Coated In Anthracite. Modernization Of The Water Treatment Plant: - Performance Of General Construction Works Adapting The Room To The Location Of The Water Treatment Plant - Modernization Of The Water Treatment Plant In Accordance With The Design Documentation. Scope Ii - Construction Of A New Underground Water Inlet A) Execution And Formal Management Of The Project - Submitting The Required Notifications Before The Start Of The Works Geological; The Ordering Party Has A Decision Approving The Geological Works Projectb) Drilling Hydrogeological Well No. 3A To A Depth Of 45.0 M Above Ground Level; The Elevation Of The Terrain At The Location Of The Planned Intake Is 121.60 M Above Sea Level; C) Drilling In 18 Pipe Collectors To A Depth Of 15.0 M Above Ground Level And 16 To A Depth Of 45.0 M Below Ground Level; D) Installation Of A Dn250 Filter Column, Including An 8.0 M Long Filter With A No. 10 Filter Mesh, And A Filter Backfill 0.8-1.4 Mm, Under-Filter Backfill 2.0 M And Over-Filter Pipe 35.0 M;E) Carrying Out Purification And Measurement Pumping As Well As Hydrogeological Measurements, In Accordance With The Geological Works Project And The Instructions Of The Geological Supervision;F) Taking Water Samples And Performing Laboratory Tests, Including At Least Bacteriological Tests Required For Acceptance Of The Completed Installations;G) Developing Hydrogeological Documentation Determining The Operational Resources Of Groundwater Intake From The Formations Quaternary Along With Obtaining A Decision From The Competent Authority;H) Preparation Of A Water-L