Bids Are Invited For Hiring A Specialized Company To Perform Drilling And Blasting Rock With The Application Of Explosives To Remove Gravel For Maintenance Of Vicinalar Roads In The Municipality Of Porto Barreiro

Drilling And Blasting Of Gravel Deposit Provision Of Dismantling Services For Basalt Rocks Using Drilling/Blasting For Works, Restoration And/Or Maintenance Of The Road Network In The Municipality Of Porto Barreiro. Drilling: •Explored Area = 2,250M² •Number Of Holes = 161 •Slope: 1St Line = 0 Degrees; 2Nd And 3Rd Lines = 3 Degrees; 4Th And 5Th Lines = 5 Degrees; 6Th And 7Th Lines = 7 Degrees •Clearance: 2.25 Meters •Spacing: 4.50 Meters •Cascalheira Porto Barreiro - Furação •Average = 10.00 Meters •Total Area: A*E*161 Holes = 1,630.125 M2 • Volume Per Hole: 2, 25*4, 5*10, 00 = 101, 25 M3 •Total Volume: 101, 25M3*161 Holes = 16,301, 25M3 •Tons •Basalt:16,301, 25M3*2, 70(Density) = 44,013, 375 Tons •Total Drilled: 161 Holes*10, 70M = 1,722, 70 Meters •Area Per Hole: A*E = 2, 50 = 10, 125M2 - All Blasting Planning, As Well As Calculations If Necessary To Maintain Safety Detonation Is The Responsibility Of The Contractor, Who Assumes Full Responsibility For The Service; - Issue Technical Responsibility Note And Other Necessary Licenses With Competent Bodies. - Geometry Must Be Used In Accordance With The Characteristics Of The Terrain In Accordance With The Attached Drawing., 06/13/2024