Tenders Are Invited For Modernization Of Sewage Treatment Plants And Hydrophore Plants. Part No. 1 Entitled Delivery And Installation Of A Sand Screen.

The Subject Of The Order Is: 1. Adaptation Of Existing Technological Pipelines In The Sand Screen Room And Connection To The New Device (Grid Sand Screen). This Applies To The Sections Behind The Ø125mm Knife Gate Valve And Ø250mm Knife Gate Valve Sections. The Ordering Party Leaves Both Knife Gate Valves.2. Connecting Pipelines Should Be Made Of Pe Pipes Ø 125-250Mm Pn10 Sdr17 Or Aisi 316L.3 Steel. Connection Of Wlz To An Existing Switch Cabinet. Alternating Operation Of Devices Should Be Assumed.4. The New Sand Screen Will Be Installed In A Room Where Another Sand Screen Is Already Installed. The Dimensions Of The Room Are 7.0Mx12.0M. The Floor And Walls Were Covered With Tiles. Stoneware Tiles On The Floor. The Contractor Will Be Obliged To Make Any Repairs To Damaged Surfaces (The Investor Provides Room Projections And Cross-Sections).5. The Introduction Of A Sand Trap Will Be Possible With A Double-Leaf Door (1.8 X 2.1 M) Or A Tilting Window (2.1 X 2.1 M). Photographs Of The Building From The Outside And Inside Are Attached. Possible Disassembly Of A Window Or Door With Simultaneous Reassembly.6. The Contractor Will Include The Device In The Existing Scada Pro-2000 System (Mikrob Company)7. As Part Of The Works, It Will Be Necessary To Install A Minimum Aisi304 Steel Structure In The Upper Part - Identical To The Existing One, Consisting Of A 180 L = 2.8 M Double-Tee Section And A 200 L = 1.1 M C-Section. A Detailed Description Of The Subject Of The Order Is Attached As Annex No. 10A To The Swz.