Tank And Reservoir Cleaning Services – Industrial Cleaning (Dig-17838). The Contract To Be Tendered Mainly Includes The Performance Of Cleaning Work On Various Objects That Hhr Uses For The Performance Of Its Tasks. This Includes Influent Cellars, Flocculation Tanks, Pre- And Post-Settling Tanks, Thickeners, Auger Cellars, Sand Traps, Wells And Pipes (Hereinafter Jointly: Object(S)). Through Use And Operations, (Parts Of) These Objects Can Become Contaminated Or Clogged, Making Cleaning Necessary. To Ensure Operational Reliability, Safety And Continuity Of The Processes, Cleaning Activities Are Requested And Divided Into Plannable And Corrective Cleaning Activities. The Contractor Must Be Able To Carry Out The Following Cleaning Work In A Professional Manner: - Plannable Cleaning Work - Cleaning Influent Cellars Of Sewage Pumping Stations (Awtg). - Cleaning Flocculation Tanks. - Cleaning Influent Cellars (Wwtps). - Cleaning Pre-Settling Tanks. - Cleaning Secondary Settling Tanks. - Emptying Loose Sand Traps. - Cleaning Thickeners. - Cleaning Mortar Cellars. - Cleaning Site Sewer Drains/Floating Layer Drains. - Removal, Disposal And Processing Of Settled Sand And Sludge Mixtures (Rkg Sludge) And Floating And Fat Layers Released During The Above Activities, Insofar As These Cannot Be Processed In Hhrs Own Installations. Unforeseen Corrective Cleaning Work: - Unblocking And Flushing Pipes. - Cleaning Up Liquid Sludge And Waste Water On Site. - Removal, Disposal And Processing Of Settled Sand And Sludge Mixtures (Rkg Sludge) And Floating And Fat Layers As Described Above, Insofar As These Cannot Be Processed In Hhrs Own Installations.
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