Tenders Are Invited For Restoration Of Public Fountains With A Functional Role For Water Supply To The Popul ... in Bulgaria

Work Detail

The Construction And Installation Works, Subject Of The Order, Aim To Improve The Municipal Water Supply Infrastructure By Restoring The Public Fountains In The Villages Of Koychovtsi And Kashentsi, Ensuring Healthy And Sanitary Conditions For The Population, Increasing The Flow Rate Of The Water Sources And Improving Access To Drinking Water In Conditions Of Water Regime Or Crisis Situations. A. For The Village Of Koychovtsi:Excavation Will Be Carried Out In Earth Masses For The Restoration Of A 280 M Long Water Supply Line, Mechanized. A 10 Cm Thick Sand Cushion Will Be Laid. Pe Pipes Φ 32 Mm Will Be Supplied And Laid, Which Will Discharge To A Catchment And A Corresponding Adjacent Water Compensating Tank, The Materials Used Must Be Manufactured In Accordance With Bds En 12201 Or Equivalent Standard, Accompanied By A Declaration Of Performance And Ce Marking, Where Applicable. After Laying The Pipes And Testing The Route, They Will Be Covered With Sand On The Sides And Top, In Order To Protect The Pipeline From Point Loads. Backfilling Will Be Done With Earth Masses In Layers, Each Layer Being Mechanically Compacted. Existing Catchments/Water Intakes Will Be Cleaned Mechanically And/Or Manually In Strict Compliance With The Sanitary And Hygienic Norms For Working In Water Supply Areas, And The Disinfectants Used Must Be Included In The Register Of Permitted Biocides Of The Ministry Of Health For The Treatment Of Drinking Water. A Waterproofing Coating (Slurry), Including Priming, Will Be Applied To Catchment Surfaces. A Missing Stone Trough With Minimum Dimensions Of 80/50/30 Cm (Length, Width, Depth) Will Be Delivered And Laid, Which Will Meet The Requirements For Frost Resistance And Durability, And The Installation Must Be In Accordance With The Proper Drainage Of Water And The Prevention Of Waterlogging Around The Facility. B. For The Village Of Kashentsi: Excavation Will Be Carried Out In Earth Masses For The Restoration Of A 360 M Long Water Line, Mechanized. A 10 Cm Thick Sand Cushion Will Be Laid. Pe Pipes Φ 32 Mm Will Be Supplied And Laid, Which Will Discharge To A Catchment And A Corresponding Adjacent Water Compensating Tank, The Materials Used Must Be Manufactured In Accordance With Bds En 12201 Or An Equivalent Standard, Accompanied By A Declaration Of Performance And Ce Marking, Where Applicable. After Laying The Pipes And Testing The Route, They Will Be Covered With Sand On The Sides And Top, In Order To Protect The Pipeline From Point Loads. Backfilling Will Be Done With Earth Masses In Layers, Each Layer Being Mechanically Compacted. A Waterproofing Coating (Slurry), Including Priming, Will Be Applied To Catchment Surfaces. During The Implementation Of The Activities And After Their Final Completion, Cleaning And Transportation Of Construction Waste To A Waste Dump Will Be Carried Out. Full Information On The Scope, Volume And Technical Requirements For The Execution Of The Public Procurement Are Described And Regulated In Part Ii Technical Specification And The Investment Project, An Integral Part Of The Participation Documentation.

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