Tenders Are Invited For Replacing The Filter Beds In Two Vertical Filters With A Capacity Of 6000 L And Internal Cleaning. Two Hydrophore Tanks With A Capacity Of 400 L In The Military Complex (...) - Case No. 46/2024

The Subject Of The Order Is The Replacement Of Filter Beds In Two Vertical Filters With A Capacity Of 6,000 L And Cleaning Inside Two Hydrophore Tanks With A Capacity Of 400 L In The Military Complex In The Commune Group. Dragacz, In Accordance With The Requirements, Detailed Description Of The Subject Of The Order And The Scope Of The Service And Under The Conditions Specified By The Ordering Party. The Subject Of The Order Includes In Particular The Following Scope: - Dismantling Of Vertical Filter Manholes Dn 1800 Mm With A Capacity Of 6000 L. Removal Of Used Filter Beds From The Filter And Their Disposal. Cleaning, Scraping, Rinsing Inside The Filter And The Hopper. Checking The Technical Condition Of The Drainage Plate And The Splash Hopper. Welding Of Damaged Elements (Drainage Plates, Steel Elbows, Nozzle Discs ).  Replacement Of Mushroom-Type Filter Nozzles Dn 1/2ʺ, 240 Pcs. In Each.  Replacement Of Manhole Seals (Bottom And Top).  Preparation Of The Tank For Filling With Quartz Filter Beds In Accordance With The Standard For A Given Type Of Filter. Quantities Given For One Vertical Filter With A Capacity Of 6000 L. Filtering Quartz Gravel With A Granulation Of 10 ÷ 16 Mm In An Amount Of 400 Kg. Filtering Quartz Gravel With A Granulation Of 6 ÷ 10 Mm In An Amount Of 400 Kg. Filtering Quartz Gravel With A Granulation Of 2.0 ÷ 5.0 Mm In An Amount Of 400 Kg Activated Carbon - Anthracite (Defeman) 1.4 ÷ 2.5 Mm In An Amount Of 2800 Kg. Catalytic Mass, Manganese Ore G1 0.6 ÷ 2.4 Mm In An Amount Of 2600 Kg. Quartz Filter Gravel With Granulation 0, 8 ÷ 1.4 Mm In The Amount Of 1200 Kg. Due To The Single-Stage Treatment Of Raw Water In The Column Filter, A Filter Bed Should Be Installed - Catalytic Together For Two Vertical Filters. Defeman In The Amount Of 5600 Kg And Catalytic Mass (Manganese Ore) G1 In The Amount Of 2400 Kg . Chlorination And Disinfection Of Filter Beds With The Tank. Cleaning Inside 2 Pcs. Of Hydrophore Tanks With A Capacity Of 4000 L. Cleaning Of The Water-Air Mixer In Each Filter (2 Pcs.) And The Water Installation Supplying The Vertical Filters. Place Of Service: Station Water Treatment In The Military Complex In The City Of Grupa.