Tenders Are Invited For Sewer Cleaning Services – Cleaning Of San Amont And Des

Sewer Cleaning Services – Cleaning Of San Amont And Des. As Part Of Network Asset Management, Inspection And Diagnostic Frequencies Have Been Established In Order To Have A Good Understanding Of The Structural Condition Of The Structures. Thus, The Sèvres-Achères Emissary Branch Of Nanterre (San) And The Doubling Of The South Emissary (Des) Were Partly Diagnosed In 2011. This Is Why It Is Necessary To Carry Out A Cleaning Followed By An In-Depth Diagnosis Of The Structure On This Part. Emergency Work Could Be Carried Out If Necessary. The Objective Is To: - Reduce Olfactory Nuisances At The Level Of Access Manholes, By Removing The Materials Responsible For Their Formation And By Eliminating Gas Releases, - Restore The Hydraulic Capacity Of The Structure By Removing Deposits, - Carry Out A Structural Diagnosis Of The Structure And Define The Need To Carry Out Rehabilitation Work; The Project Consists Of Drying Out The Structure, Post-Cleaning Preparatory Work, Implementing The Means Necessary For Mechanized Cleaning, Waste Evacuation, Transport And Treatment In A Suitable Center