Tenders Are Invited For Delivery Of Natural, Crushed, Sorted And Crushed Aggregate For The Needs Of The Ongoing Maintenance Of Forest Roads In The Wymiarki Forest District In 2026.

The Subject Of The Order Is The Supply Of Natural Crushed Aggregate And Crushed Aggregate Within The Meaning Of Art. 7 Point 4 Of The Public Procurement Law Together With The Transport Service (Distribution) With The Following Fractions Natural Crushed Aggregate With Continuous Grain Size 0/63 Mm Natural Crushed Aggregate With Continuous Grain Size 0/31.5 Mm Natural Crushed Aggregate With Continuous Grain Size 0/5 Mm Lightly Clayey And Dusty Gravel For Road Purposes) Required Properties Of The Aggregate For Mixtures With Continuous Grain Size Of Fractions 0-31.5 Mm And 0-63 Mm: A) Grain Size - Category Not Lower Than: Ga85, B) Grain Tolerance Limit - Category Not Lower Than: Gta20, C) Percentage Of Grains With Crushed And Broken Surfaces - Category Not Lower Than: C90/3, D) Dust Content - Category: F9, F12, F15, E) Flatness Index – Category Not Higher Than: Fi50,F) Shape Index – Category Not Higher Than: Si55,G) Frost Resistance – Category Not Higher Than: F2,H) Water Absorption: Category Not Higher Than: Wa242,I) Content Of Foreign Impurities: None,J) Sand Index – Category: Se4 Minimum 35.B) Requirements For Aggregate Properties For A Mixture With Continuous Grain Size Of 0/5 Mm Fraction: - Grain Size – Category Not Lower Than Gf85, - Water Absorption: Category Not Higher Than Wa242, - Sand Index - Category: Se4 Minimum 35.C) Required Properties Of Slightly Clayey And Dusty Gravel For Road Purposes - Grain Size: Category Not Lower Than: U3, - Water Permeability Index: Category K10≥6*10-5, - Sand Index - Category Se4 Minimum 35, - A Mixture Of Slightly Clayey And Dusty Gravel, - Aggregate With Continuous Grain Size Of Fraction 0-8, - Grain Size Category - Ga85, - Dust Content - Fg, - Content Of Organic Impurities < 2%, - Content Of Foreign Impurities: None, - Content Of The Clay And Dust Fraction Up To 6%.