Sewer Cleaning Services – Sewer Inspection And Sewer Cleaning 2026 To 2029. Sewer Inspection And Sewer Cleaning 2026 To 2029: Cleaning And Inspection Of Approx. 60 Km Of Main Sewers, Approx. 1450 Shafts And Approx. 16 Km Of Connecting Pipes. Depending On The Contract Term, I.E. Per Year, The Advertised Quantities Of Approx. 60 Km Of Maintenance Inspections, Including Approx. 1,450 Shaft Inspections And Approx. 16 Km Of Connection Line Inspections, Must Be Carried Out. The Advertised Quantities Must Be Delivered Evenly Over The Respective Contract Term. Therefore, Every 3 Months From The Start Of The Contract Term, At Least Approx. 15 Km Of Pipes With The Approx. 360 Shafts And Approx. 4 Km Of Connecting Pipes Belonging To These Pipes Must Be Examined.
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