Tenders Are Invited For Modernization Of The Bottom Filter In An Oligocene Well At Kołowa Street In The Targ ... in Poland

Work Detail

Modernization Of The Bottom Filter In The Oligocene Well At Ul. Kołowa In The Targówek District Of The Capital City Of Warsaw. The Subject Of The Order Is: 1. The Subject Of The Order Is The Repair Of The Bottom Filter In The Oligocene Well At Ul. Kołowa In The Targówek District Of The Capital City Warsaw.2. The Subject Of The Contract Is Described In The Hydrogeological Expertise Regarding The Groundwater Intake In The S. Wiechecki Park Wiecha - Annex No. 8 To The Swz And The Technical Specification For The Execution And Acceptance Of Works Constituting Annex No. 7 To The Swz And The Bill Of Quantities - Annex No. 6 To The Swz.3. The Subject Of The Order Includes, Among Others: A) Preparation Of The Area, B) Cleaning Of The Well Backfill Using The Air Lift Method With Polymer-Salt Or Polymer-Chalk Drilling Mud In Order To Stabilize The Formation, Assuming That The Filter Is Damaged And To Make A Precise Filtration Backfill, C) Camera Inspection With A Report, D) Lowering The Dn 50 Filtration Column Using The Dn 150 Column, E) Graveling Filter, F) Purification And Measurement Pumping, G) Installation Of The Pump To The Target And Connection To The Station, H) Chlorination And Water Testing, I) Cleaning The Area And Restoring It To The Condition Before The Investment.4. The Ordering Party Provides The Bill Of Quantities In A Simplified Format As Auxiliary Material For Preparing The Offer - Annex No. 6 To The Swz.

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