Subject Of Purchase: Enriched Coal, Grade D, Size Class 25–300 Mm. Designed For Domestic Needs Of The Population And Layer Combustion. The Supplied Coal Must Meet The Following Technical Characteristics: Coal Grade - D, Size Class - 25–300 Mm, Ash Content Ad; Gost - Iso 1171-2012 - No More Than Actual Ash Content - 8.97%, Total Moisture In Working Condition Wrt; — Gost 11014-2001 — 10.5%, , The Yield Of Volatile Substances In The Dry, Ash-Free State Of The Fuel, Vdaf; — Gost Iso 562-2012 — 46.5%, Lower Calorific Value Qri; - Gost 147-2013 - 24,000 Kj/Kg, Lower Calorific Value - 5,600 Kcal/Kg, Ignition Temperature - No Less Than 393 ° C, Auto-Ignition Temperature - No Less Than 515 ° C. The Mass Fraction Of Pieces Larger Than 300 Mm Should Be No More Than 5%, In Fact - 0%. The Mass Fraction Of Pieces Less Than 25 Mm In Size Should Be No More Than 15.6%. Coal Belongs To Low Rank A (Subbituminous Coal), Has A High Category Of Vitrinite And Low Ash Content (Enriched Coal), Meets The Requirements Of Gost Iso 11760-2012. Product Shelf Life Is No More Than 6 Months. Radiological Indicators Of Products Meet Established Requirements: The Sum Of The Ratios Of The Specific Activity Of Natural Radionuclides In Solid Fuel To Mzua, C - Less Than 0.011 At A Rate Of Less Than 1. Radiation Hazard Class Of Ash - 1, Radiation Hazard Class Of Solid Fuel - 1. The Supplier Must Be Included In The List Of Coal Operators In Kazakhstan. Confirmation Of Your Own Or Leased Railway Dead-End; Confirmation Of Your Own Or Leased Open Guarded Coal Warehouse (Adjacent Territory Of The Railway Dead-End); Confirmation Of The Presence Of Your Own Or Rented Scale For Weighing Vehicles, A Valid Certificate Of Verification Of Scales Is Required. The Supplied Coal Must Comply With The Requirements Of St Too 151140021791-073-2022 And Tr Rk No. 73. Test Reports Must Be Issued No Earlier Than July 16, 2025.
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