Tenders Are Invited For Reconstruction Of The Internal Water Supply Network Of The Village Of Kipilovo, Muni ... in Bulgaria

Work Detail

The Project (Stage 2) Includes The Reconstruction Of The Water Supply Network In The Central Part Of Kipilovo Village. The Total Length Of The Water Pipes Planned For Reconstruction Is 3965.53 M, Distributed By Diameters As Follows: Water Pipeline Pedp Dn90 In 30% Rock And 70% Earth Soil - 2776.39 M; Water Pipeline Pedp Dn110 In 30% Rock And 70% Earth Soil - 1102.61 M; Pedp Dn125 Water Pipe In 30% Rock And 70% Earth Soil - 86.53 M. In The Scope Of Stage 2, There Are No Crossings Of Water Bodies, Ravines And There Is No Crossing Of A Road From The Republican Road Network The Reconstruction Of The Water Pipe Will Be Made Of High Density Polyethylene Pipes Pehd Pe100 For A Pressure Of 10 Atm (Pn10). The Water Pipe Will Be Laid In The Roadway At A Distance Of 1.0 M From The Curb On The Side Indicated In The Project. The Main Laying Depth Of The Street Water Supply Is 1.50 M Above The Top Of The Pipe. The Distribution Of Water To The Buildings Will Be Done Through Building Diversions, Which Will Be Ф32 In Size. All Deviations Are From Pe Pipes Pn10. A Pavement Shut-Off Valve (Tsc) With A Protective Cover And A Cast-Iron Pot Is Provided, Located In The Pavement 0.50 M From The Outer Edge Of The Curb. In Order To Shut Off And Isolate The Water Pipes In Sections, It Is Planned To Install Gate Valves With Rubberized Wedges In Certain Axial Intersections. It Is Planned To Install A Certain Number Of Overhead Fire Extinguishers. In Front Of Each Fire Hydrant, A Shut-Off Valve (Sliding Valve) With A Dn80 Safety Valve Is Planned. The Intended Fire Hydrants Are Shut-Off Valves With Dischargers. They Will Be Used In Case Of Emptying And/Or Flushing Of Certain Sections Of The Water Network. Fire Hydrants Are Moved Outside The Street Lane And Installed On The Sidewalk At A Distance Of 1.0 - 1.50 M From The Curb. Fire Hydrants And Shut-Off Hydrants Will Be Identified By Signs Affixed In Places That Enable Them To Be Easily Found. Dn50 Air Valves With Shut-Off Valves Are Provided In All High Points On The Network Determined By The Pressure Line And In Points With A Change In The Slope Of The Route From Ascending To Descending. Breaks Along The Route Will Be Performed With Electrodiffusion Fittings With An Electrical Resistance Wire Built Into The Housing And The Socket. Support Blocks Are Provided On The Breaks. Above The Water Pipe, A Signal Tape With A Metal Thread Will Be Laid, And At 0.70 M Below The Ground Level, A Simple Signal Tape Water Pipe Will Be Laid. For The Continuity Of Water Supply To Subscribers, A Temporary Supply With A Pehd Dn63 Flexible Pipe Is Planned. When Excavation Begins, Exposed Building Water Mains Must Be Connected To The Temporary Supply Water Main. After The Reconstruction Of The Water Network Is Completed, The Destroyed Street Pavements Must Be Restored.

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