Tenders Are Invited For Carrying Out Urgent Restoration Works For The Site Derivation For Draining The Water ... in Bulgaria

Work Detail

The Site Includes Drainage Facilities/Events In The Urbanized Area Of ​​The Town Of Kotel, Sliven District. The Goal Is To Safely Divert The Water From The Iglika Gully To The Glogova River Intake, Prevent Material Damage And Preserve The Property, Health And Lives Of The Citizens Of The Town Of Kotel. Dere Iglika Enters The Northeastern Part Of The Town Of Kotel. The Gully Is A Right Tributary Of The Glogova River. The Total Length Of The Ravine Is About 2 Km. Outside The City, There Is No Established Permanent Watercourse. Runoff Is Formed Only During Snowmelt And Intense Rainfall. To Protect The City From Floods, A Collector Of Ready-Made Concrete Pipes F1000 Was Built, Passing Under Or Parallel To Iglika Street And Emptying Into The Glogova River. As The Floods Of The Last Few Years Have Shown, The Existing Collector Is Not Of Sufficient Size To Absorb The Water From The Gully During Intense Rainfall. The Gully Is Filled, There Is No Smooth Transition And Connection With The Collector, There Are No Thresholds Built Or A Grid Installed At The Entrance Of The Pipe. This Necessitates The Construction Of A New Collector With Appropriate Dimensions And Configuration, So As To Guarantee The Safe Passage Of The Measured Water Quantities To The Glogova River. The Subject Of This Order Includes The Construction Of A New Underground Collector With A Total Length Of 370 M From The Entrance To The Outlet In The Glogova River And Repair Of The Entrance Facility. The Route Of The New Facility Is As Follows: Entrance Facility – Reinforced Concrete Rectangular Profile From 0+370 To 0+406.50 Km; Collector - Reinforced Concrete Rectangular Profile 2.50*2.50M, Covered With Covers From 0+202 To 0+370 Km; Transition From A Reinforced Concrete Rectangular Profile 2.50*2.50M To A Steel Pipe F2390 Mm In The Section 0+188.17÷0+202 Km; Steel Pipe F2390 Mm, Executed By Trenchless Technology By Means Of Microtunneling In The Section 0+024.50÷0+188.17 Km; Reinforced Concrete Exit Shaft With Plan Dimensions 4.0*3.50 M And Depth 5.50 M - 0+020÷0+024.50 Km; Draining Covered Channel To The Glogova River - Reinforced Concrete Rectangular Profile 4.0*2.50M, From 0+000 To 0+020 Km;

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