Public Tender (Service) Gully Gutter Cleaning Heu Cleaning Of Gullies And Guttersthe Cleaning Of Gullies And Gutters Takes Place Twice A Year. The Advertised Scope Of Services Refers To Two Years. From Around March And From Around October You...  Morecleaning Of Gullies And Guttersthe Cleaning Of Gullies And Gutters Is Done Twice A Year. The Advertised Scope Of Services Refers To Two Years. From Around March And From Around October, In Consultation With The Client, Around 3,300 Street Gullies (Street Drains) In The City Area Must Be Emptied During The Execution Period Of Each Year. A Cleaning Interval Must Be Completed Within 2 Weeks. Both Versions Are Considered The Main Cleaning Measure In The Specified Period.