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The Scope Of The Subject Of The Contract Includes The Performance: Phase I: A) Drilling Of The 2Z Hole To A Depth Of 58.0 M Ppt. Impact Mechanical System - Shielding Dry, In Cover Pipes 20 Up To A Depth Of 28.0 M Ppt. And In 18 Cover Pipes For The Target Depth Of 58.0 M Ppt., B) The Stabilization Of The Water Mirror After Drilling The Aquifer, C) After Drilling To The Planned Depth, Based On The Obtained Drilling Results, Hydrogeological Supervision In Consultation With The Contracting Authority Will Decide On The Implementation Of Further Work Or Liquidation Of The Hole. Hole And Building The Hole With A Filter Column, With Guides, Ensuring The Central Planning Of The Filter Column, B) Making The Structure Of The Filter Column (Depending On The Results Of Drilling, The Filter Column May Be Modified), As Follows: O As A Pvc Sub -Filter Pipe With A Dn 250/280 Mm Bottom, 3.0 M Long, 3.0 M Long 55.0 - 58.0 M Ppt; With Pvc Dn 250/280 Mm Crevice Filter, (Expected Gap 1.5 Mm) Length 8.0 M, In Passage 47.0 - 55.0 M Ppt; With Pvc Pipe, Dn 250/280 Mm Length 47.0 M, At 0.0 - 47.0 M Ppt. The Working Filter Used, Depending On The Thickness And Education Of The Drilled Aquifer Intended For The Intake May Change. - 58.0 M Ppt.), D) Sealing The Compactonite Of The Space Between The Walls Of The Hole And The Overfiltral Pipe At 28.0 -33.0 M Ppt. For Airtight Isolation Of The Contained Aquifer, E) Filling With Sandy -Clinic Space In The Range Of 0.75 - 28.0 M Ppt., F) Making A Compactonite Cork In The Passage 0 - 0.75 For The Elimination Of Direct Contact With Rainwater And Potential Threats From The Area Of The Area, G) Successive Removal With Opening Of Casing Pipes 18 And 20 During The Introduction Of Gravel And Compactonite 2 Of The Subject Of The Contracticase Iii: A) Performing Cleansing Pumping, Disinfection And Measuring Pumping, Performing The Consumption And Microbiological Tests, Physico-Chemical Tests And Radioactive Substances (Including Tryt, Radon 222, Rad 228, Rad 226) Raw Water From The Aquifer, In The Opening, Granulometric Analysis, Granulometric Analysis Of The Newly Well-Drilled Wells, In Accordance With The Newly Well-Drilled Well, Granulometric Analysis, In Accordance With The Project Of Geological Works Referred To In Para. 1, B) Conducting A Video Inspection (In Color) Of A Made Hole With A Simultaneous Measurement Of The Length Of Individual Elements Of The Filter Column Structure, C) Securing The Well Made By Foundation Of A Concrete Circle With A Whateen Manhole Preventing Access To The Well From Permanent Persons, D) Ordering And Bringing The Area Covered By The Work To The State Before Their Start, E) As -Built Documentation Containing In Particular: On Pumping Logs, About Reports With The Results Of Analyzes Taken From The Water Opening, Approvals, Certificates, Declarations And Other Documents Allowing The Use Of Built -In Built -In Materials In Intake Wells, Gravel Backflow, Compactonit And Confirmation That These Materials Meet T
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