Tenders Are Invited For Maintenance And Protection Of Forest Roads And Permanent Forest Trails In The Jama F ... in Poland

Work Detail

1. The Subject Of The Order Is Construction Works Related To The Maintenance And Protection Of Forest Roads And Permanent Forest Trails In Individual Forestry Areas In The Jamy Forest District. The Subject Matter Of The Order Is Divided Into 3 Parts: Part Of The Order No. 1 Maintenance And Protection Of Forest Roads In The Forestry Areas Of Chełmno And Łunawy. The Subject Of The Order Includes The Performance Of Works In The Field Of Maintenance And Protection Of Forest Roads In The Area Of ​​The Following Forest Districts: - Chełmno, Commune. Chełmno, Powiat Chełmiński- Łunawy, Gm. Stolno, Chełmno Poviatthe Expected Scope Of Work Includes: - Cutting Roads On Both Sides - Supplementing (Re-Graining) The Road Surface In Places Of Defects And Ruts On Indicated Sections With Crushed Aggregate With A Fraction Of 0-31.5 Mm And Local Sub-Bases With Crushed Aggregate With A Fraction Of 0-63 Mm - Milling Of The Road Surface With A Layer Up To 10 Cm Thick - Leveling The Road Surface Along With Adding An Appropriate Road Profile And Slopes - Compacting The Surface - Cleaning The Ditch And Culverts From Silt - Local Relocation Of Concrete Slabs On The Ditch Slope General Requirements Regarding The Subject Of The Order Regarding Order Part No. 1A) Maintenance Works On Selected Forest Roads Are Aimed At Restoring Their Correct Transverse And Longitudinal Profile, Restoring The Uniformity Of Aggregate Grain Size In The Surface, Removing Unevenness And Ensuring Proper Drainage. The Width Of The Roads Is Approx. 3.50 M (± 10%), And The Sides Up To 0.75 M (± 10%), It Is Assumed That The Milling Depth Will Not Exceed 10 Cm. B) The Ordering Party Requires Natural, Crushed Aggregate, Crushed C90/3, Made From Crushing Hard Rocks (E.G. Granite, Basalt) Or Pebbles And Field Stones, Homogeneous, Without Foreign Impurities And Without Admixtures Of Clays And Sands, With Continuous Grain Size 0/63 And 0/31.5 Mm. The Use Of Limestone Aggregates Is Not Allowed. The Aggregate Should Be Placed Before Starting Work Related To Milling The Surface. C) Milling The Road Surface Should Be Performed With A Device Coupled To A Tractor Or A Self-Propelled Device Of Appropriate Power, In Accordance With The Manufacturers Recommendations. As Part Of This Activity, The Device Should Only Move The Aggregate To The Desired Depth Without Changing Its Fraction. Crushing And Fragmentation Of Surface Material Is Not Allowed. Works Performed With A Milling Device Will Be Carried Out On Forest Roads With A Surface Made Of Crushed Aggregate With A Fraction Of 0-31.5 Mm. Before Repairing The Surface, The Surface Should Be Cleaned Of Any Contamination. D) Leveling The Road Surface With An Appropriate Road Profile And Slopes Of Not Less Than 4-5%. E) Surface Compaction. The Material Produced, Mixed And Placed In The Road Surface Should Be Compacted Using A Self-Propelled, Smooth And/Or Combined Tire Roller (Depending On The Type Of Substrate And Treatment Performed - To Be Determined During The Work

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