Tenders Are Invited For Sewer Cleaning Services – Framework Contract For Sewer Inspection And Sewer Cleaning In The Period January 1St, 2025 - December 31St, 2025 With Extension Options
Tenders Are Invited For Sewer Cleaning Services – Framework Contract For Sewer Inspection And Sewer Cleaning In The Period January 1St, 2025 - December 31St, 2025 With Extension Options
Sewer Cleaning Services – Framework Contract For Sewer Inspection And Sewer Cleaning In The Period January 1St, 2025 - December 31St, 2025 With Extension Options. Maintenance And Special Cleaning Of Dirt, Rain And Mixed Sewers, The Associated Special Structures And Piped Waterways. Approx. 216 Km And 51 Special Structures Cleaning Of Installations For Road Surface Drainage In The City Of Bornheim Approx. 550 Pieces Of Wet Drains Approx. 6,100 Pieces Of Dry Drains Approx. 580 Pieces Of Mountain Inlets Approx. 135 Pieces Of Sand Traps Approx. 215 Pieces Of Inlet Grates Approx. 24 Pieces Of Seepage Shafts C) Elimination Of Sewer Drainage Problems (On-Call Service) The Contractor Must Start Work On Site In The Event Of A Fault 45 Minutes After Receipt Of The Fault Report! Frequency Of Cleaning The Cleaning Of Sewers, Shafts And Special Structures Basically Corresponds To The Requirements Of The Circular Requirements For The Operation And Maintenance Of Sewerage Networks Of The Ministry For The Environment, Spatial Planning And Agriculture (Murl) Of The State Of North Rhine-Westphalia Dated October 17, 2013. According To This, We Must Maintain The Sewer Networks Regularly Or As Required In Accordance With The Results Of The Monitoring Carried Out In Accordance With Section 2 Of The Self-Monitoring Ordinance On Waste Water (Süwvo Abw). In Accordance With These Requirements, Regular Maintenance Cleaning Must Be Carried Out In Accordance With The Following List. The Frequencies Listed Are Minimum Requirements For Maintenance Cleaning. The Dimensions Stated Here Refer To The Status Of April 2024. In The Course Of Determining The Sewer Cleaning Process, A Coordination Is Also Made As To Which Districts Will Be Subjected To A Tv Inspection Or Leak Test In The Respective Year. The Channels Cleaned As Part Of This Monitoring Immediately Before The Inspection Or Pressure Test Are Left Out Of The Maintenance Cleaning For The Respective Year. - Channels, 216 Km, Cleaning, Annually - Pressure Pipes, 12.6 Km, Cleaning, Every 2 Years As Needed - Shaft Structures, Approx. 6400 Pieces, Cleaning, Annually - Pump Stations, 23 Pieces, Cleaning Of The Pump Sump, As Needed Up To 12X Per Year Sewer Tv Inspection The Sewer Network Of The Sewage Works Has A Total Length Of Approx. 216 Km In Various Sizes, Profiles And Materials And Approx. 7000 Shafts Or Special Structures. According To The Wastewater Self-Monitoring Ordinance (Süwvo), All Sewers With All Connection Connections And Shafts Must Be Inspected Once Within 15 Years - But At Least 5% Per Year. In The Water Protection Area (Wsg), Inspections Must Be Carried Out Twice A Year. The Third Survey Runs From 2021 To 2035. On This Basis, The Canal Network Was Divided Into Canal Districts Based On The Flow Paths. To Ensure An Even Annual Distribution, Three To Four Districts Of Different Sizes Are Combined Each Year And The Condition Of 19 Km Of Sewage Systems Is Recorded On Average Per Year. In These Districts, Routine Sewer Cleaning Does Not Occur During The Inspection Year. Preliminary Cleaning Must Be Carried Out A Maximum Of One Working Day Earlier. The Inspection Is After
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