Tenders Are Invited For Reconstruction Of An Open Retention Reservoir In Stara Błotnica in Poland

Work Detail

The Subject Of The Order Is: Reconstruction Of An Open Retention Reservoir In Stara Błotnica Conducted In Basic Mode. The Scope Of Works Of The Subject Of The Contract: The Purpose Of The Project Is Reconstruction Of The Open Retention Reservoir In Stara Błotnica On The Plot With Evident Number 212/29 Located In Stara Błotnica Commune Old Błotnica ”Consisting In Performing Works Covering The Cleansing Of The Tank And Strengthening Its Edges. The Investment Location Area Is Not Covered By Any Of The Local Spatial Development Plans In Force In The Stara Błotnica Commune. Access To The Retention Reservoir Is Carried Out By Existing Exits From The Adjacent Road No. 732. Neighboring Areas Are Built -Up With Farm /Single -Family Residential Buildings, Outbuildings. The Reservoir Area Is Not Armed With Any Type Of Network Or Technical Infrastructure Devices. The Retention Reservoir Existing State Of Development Storage Rainwater And Snowmelt From Stara Błotnica. The Mouth Of The Water From The Tank Is Carried Out With The Help Of A Building That Pombs A Monk With Wooden Shifts And Then A 500 Mm Pipeline And An Open Channel To The Tymianka River. Access To The Tank Is Located Directly By The Poviat Road. Post-Reservoir Parameters:- Tank Dimensions: 60 X 56 M,- Water Depth In The Tank: 1.6-1.8 M (At The Edges Of The Tank Depth, 0.5 M), - Water Volume In The Tank: ~ 5800 M3,- Tank Water Surface: ~ 3360M2,- Inlet To The Tank (Tributary): Pipe Kd630,- Outlet From The Tank (Outflow): Monk With Wooden Shandings. In The Designed Area: Clay Sands, Sands, Homogeneous In Cross -Sections Parallel To The Area Of ​​The Area. Permanent Level Of Groundwater Mirror - About 1.3 M Below The Existing Level Of Terrain. In The Ground There Are No Adverse Geological Phenomena Or Weak Land. Calling Of Soil Substrate: A. Grunt Conditions: Straight B. Geotechnical Category: I. Designed Land Development. As Part Of The Planned Development Of The Retention Reservoir Area, The Implementation Of Facilities, Equipment And Construction Works In The Scope Presented Below. The Reconstruction Of The Water Reservoir, Presented Below. Emptying Of The Tank And Execution Of A Temporary Dehydration System For The Duration Of Construction Works, B) Removal Of Vegetation Remaining On The Edges Of The Tank Of The Tank, C) Mechanical Removal Of The Layer Of Bottom Sediment Lying On The Bottom Of The Tank, D) Export Of The Excavated Bottom Sediment To The Storage Site Designated By The Investor, E) Producing The Edges Of The Tank In The Manner Presented In The Graphic Part Of The Design, The Slope Of The Designed Slopes Of The Tank 1: 3. 2. Facting The Edges Of The Tank, Including: A) Making On Prepared Slopes Of The Tank Of The Tank Of The Expansion Layer From Mechanically Concentrated Sand-Gravel Bed With A Layer Thickness After A Thickening Of 10 Cm, B) Arranging On The Made Layer Of The Equalization Layer Of Separation Layer With Filtration Geotextile With The Required Weight Of Min . 300 G/M2

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