Tenders Are Invited For Schultz Pit #3 Gravel Crushing And Earthworks

Schultz Pit #3 Gravel Crushing And Earthworks - Specifications And Special Provisions 1. Overburden Removal And Finish Contouring At Schultz Pit #3 Located In Lands Legally Described Nw14-42-21-W4m Will Be Incidental To The Services. There Will Be No Compensation Expected Of The County. 2. For The Purpose Of This Contract, Overburden Removal Shall Include All Excavation And Placement Of Common Material (Including Topsoil Stripping And Stockpiling, Subsoil Stripping And Stockpiling, Haul Road Earthworks, And Waste Material Movement). There Is An Unknown Quantity Of Topsoil And Subsoil Stripping And Stockpiling That Shall Be Required Over Some Areas Of Gravel Extraction. Test Hole As Shown In Schedule “F” Is Meant To Show The Extent Of These Quantities As Identified On Drawing Number Gc02-03-2022. All Overburden Removal Will Be Incidental To The Services. All Soil Stockpile Sites (As Required) Have Been Identified On Drawing Number Gc02-02-2022. All Soils Stockpiles Should Be Appropriately Contoured To Promote Positive Drainage Away From The Piles And Allow For An Accurate Survey. The Contractor Shall Take Care In Maintaining The Separation Of “Topsoil” And “Subsoil” As Determined By The Manager Of Public Works Or His Designate. Admixing Will Not Be Permitted And The Occurrence Of Such Will Be Subject To Penalty As Deemed Appropriate By The Manager Of Public Works Or His Designate. It Shall Be The Contractor’S Responsibility To Ensure Acceptance Of The Overburden Removal Quantities Required. All Overburden Removal Shall Be As Per The Current Code Of Practice For Pits. 3. Mobilization And Demobilization Shall Be Lump Sum And If Additional Equipment Is Required To Complete The Contract To Specification It Shall Be At The Expense Of The Contractor. There Will Be No Compensation Expected Of The County. 4. The Contractor Shall: 4.1. Mine, Crush, Screen, Measure And Stockpile 25,000 Cubic Meters Of 4:25 Modified Specification Gravel At Schultz Pit #3 At Nw14-42-21-W4m (Measured In Place) For The Unit Price Indicated On Bid Item 2. 4.2. Mine, Crush, Screen, Measure And Stockpile Up To An Additional 12,500 Cubic Meters Of 4:25 Specification Gravel Schultz Pit #3 At Nw14-42-21-W4m (Measured In Place) For The Unit Price Indicated On Bid Item 3. 5. The Contractor Shall: 5.1. Slope All Embankments Caused By Excavations Created While Crushing Gravel In The Aforementioned Gravel Pits And Prior To Moving Any Equipment Away From The Pit. The Said Embankments Shall Be Sloped At No Less Than 3:1 With Overburden Or Excess Screening Or As Otherwise Specified By The Manager Of Public Works Or His Designate. 5.2. Remove All Equipment Within 30 Days Of Completion Of All Earthworks And Crushing From The County Pit Unless Otherwise Approved By The Manager Of Public Works Or His Designate. 6. The Order Of Extraction Of In-Situ Gravel Will Be Gravel Extraction Area 1 Followed By Gravel Extraction Area 2 From East To West, As Referenced In Drawing Number Gc02-02-2022. In-Situ Material Will Be Transported By The Contractor To The Crusher By Whatever Means Deemed Appropriate By The Contractor And As Approved By The Manager Of Public Works. 7. For A 65M Buffer Along The East Pit Limit (Gravel Extraction Area 1), The Intent Is That The Gravel Resource Shall Be Removed To A Depth In Which There Is No Remaining Gravel Resource Underlying The Final Excavation Elevation. It Is Required That A Track Hoe Be Utilized To Properly Exhaust Gravel Resources To The Final Pit Elevation. County Personnel Will Confirm Acceptance That All Gravel Has Been Satisfactorily Mined. Pockets Of Interburden Removal Shall Be Considered Incidental To The Services. In Gravel Extraction Area 2, There Shall Be 1.5M – 2.0M Of Pitrun Left On The Floor To Allow Access Without Contamination To The Aggregate Further To The North In The Next Gravel Crushing Contract. 8. It Is The Contractor’S Responsibility To Verify The Quantities To His Own Satisfaction. 9. It Shall Be Mandatory That Stacking Conveyors Be Utilized For The Final Stockpiling Of All Crushed Gravel. 10. Gravel Shall Be Crushed And Screened To The Following Specifications: 10.1. 4:25 Modified Specification Sieve Size – Μm Percent Passing 25,000 100 10,000 30 – 65 5,000 15– 45 1,250 0 – 27 80 0 – 10 Fractures - % 60+ 11. All Stockpile Sites Will Be Surveyed Prior To The Placement Of Any Crushed Gravel. Upon Completion Of The Gravel Crushing, The Actual Volume Will Be Calculated By Surveying And Plotting The Produced Gravel Stockpile Less The Existing Gravel Stockpile Site. The Method Of Survey / Data Collection Will Be Done By A Geographical Positioning System Or Drone And The Volume Calculated By A 3D Modeling Program Using Tin / Surface Subtraction I.E.: Surface 1- Survey Of Stockpile Site, Surface 2 – Survey Of Stockpile After Crushing On Site. 12. The Contractor May Hire An Independent Professional Engineering Consultant To Verify The Stockpile Volume At Their Cost Should They Wish. In The Event Discrepancy Regarding Finished Quantities Arises, The Stockpile Volume Used By The Independent Professional Engineering Consultant Shall Incorporate A Pre-Stockpile Base Or Shall Be Deemed Invalid. The Contractor Shall Level The Top Of Stockpiles To Ensure That An Accurate Survey Can Be Performed Before Leaving The Site. All Levelling Efforts Performed On The Gravel Stockpile Shall Result In Positive Drainage Away From The Gravel Stockpile. 13. All Finished Aggregate Stockpile Shall Be Stacked To A Height Of 9.14 Meters (30’). 14. The County Reserves The Right To Increase Or Decrease The Volume Crushed At Schultz Pit #3 Located At Nw14-42-21-W4m At Its Sole Discretion Without Explanation. 15. The Contractor Shall Crush All Rock With A Diameter Of 200 Mm. (8”) Or Less. 16. The Contractor Shall Separate All Rock In Excess Of 200 Mm. (8”) To Produce Clean Rip Rap And Stockpile The Material At The Location As Identified On Drawing Number Gc02-01-2022 Or Designated By The Manager Of Public Works Or His Designate. The County Reserves The Right To Limit The Amount Of Rip Rap Being Produced And Direct The Contractor To Crush The Balance Of The Oversize To The Contract Specification. 17. Aggregate Produced Shall Comply Fully With The Specifications, And The Contractor Shall Recognize And Satisfy Himself As To The Type And Amount Of Work That May Be Necessary To Produce The Material Required. 18. The Contractor Shall Adjust And Modify Aggregates As Required In Order To Meet Specification Requirements, Including But Not Limited To, Splitting Of Aggregate, And/Or Rejection Of Fine Aggregate. 19. Gravel Shall Be Stockpiled At The Site Shown On Drawing Number Gc02-02-2022. The Location Of The Stockpile Or Stockpiles Can Be Changed At Any Time By The Manager Of Public Works Or His Designate Giving The Contractor One Day Written Notice Of Change Of Location, But No Such New Stockpile Shall Be Located At A Distance More Than 500 Meters From The Excavation Area. 20. The Mining, Crushing, Screening, Stockpiling And Cleanup Of The Said Quantities Of Gravel Shall Be Completed In Full By October 28, 2022. All Material Crushed And Stockpiled After This Date Will Incur A Penalty Of $1.50/M3. 21. All Areas In Which The Contractor Will Have Operated During The Project Shall Be Fully Levelled And Left In A Neat And Tidy Manner. This Would Include, But Not Be Limited To: Areas Of Gravel Extraction, Haul Routes, Traveled Areas, And Crusher Laydown And Operation Site. 22. The Gravel May Be Loaded Directly From The Crusher Onto The Trucks Utilized By The County Should It Be Required. Quantities Will Be Based On Legal Tare In Conjunction With An Average Density Rate As Determined By A Third-Party Testing Agency. Moisture Content In This Regard Will Be Based On An Overall Project Average. 23. The Contractor Shall Employ And Keep On The Job Sites At All Times That Work Is In Progress Under This Contract, A Competent Person Or Persons Who Shall Give Efficient Supervision To The Crushing And Stockpiling Operation, And Who Will Be Able To Receive And Act Upon Directions, Instructions, And Notices Which May Be Given By The County. 24. All Directions, Instructions, And Notices On Behalf Of The County Shall Be Given To The Contractor Or His Supervisor In Writing By The Manager Of Public Works, Or In His Absence, Any Other Authorized Person On His Behalf. 25. The Contractor Shall Keep A Daily Record Of The Gravel Crushed, Screened And Stockpiled. The Said Daily Record Is Subject To The Approval Of The Manager Of Public Works His Designate Or An Appointed Checker. The Manager Of Public Works And Designate Shall At All Times Have Access To The Records Of The Contractor, And Shall Have A Reasonable Time At The Commencement Of Each Working Day To Inspect, Test, Balance Or Do Any Other Thing Necessary To Ensure The Accurate Measurement And Specifications Of The Gravel Crushed. 26. The Manager Of Public Works Or Any Other Authorized Person Acting On His Behalf Shall At All Times Have Access To The Crushing, And Stockpiling Operation, And May Give Any Instructions Or Directions He Deems Necessary To Protect The Property Of The County Or Of Others On Or Near The Gravel Pits, And Such Instructions Or Directions Shall Be Binding On The Contractor. The County May Inspect The Crushing And Stockpiling Operation At Any Time And May Cause Such Testing Of The Crush As Is Necessary. The Contractor Shall Rectify, At His Own Expense, His Operation If In The Opinion Of The County The Crush Produced Does Not Meet The Requirements. 27. The Contractor Will At All Times Pay, And Be Responsible For All Losses, Claims, Demands, Actions, Suits, Costs, Expenses And Damages Which May Be Incurred By Or By Reason Of Any Action Or Other Proceeding Which Shall Or May Be Brought Or Instituted In Respect Of Injury To Persons Or Damages To Property On Or Near Any Of The Said Gravel Pits Or Stockpiles Arising Out Of The Excavation For, Crushing And Stockpiling Of Gravel By The Contractor, Directly Or Indirectly, And The Contractor Shall At All Times Hereafter Save Harmless And Keep Indemnified The County From And Against All Such Losses, Claims, Demands, Actions, Suits, Costs, Expenses And Damages. 28. The Contractor Shall Be Responsible For The Care And Protection Of All Material, And Equipment On The Job Sites, And All Damage To The Said Material And Equipment, Howsoever Caused, Shall Be Made Good At The Expense Of The Contractor. 29. Acceptance Of Processed Aggregates Shall Take Place When Such Aggregates Are In Their Final Position And Have Met All The Requirements Of The Contract. Final Position For A Crushing And Stockpiling Contract Will Be The Stockpile. 30. The Contractor Shall License All Vehicles And Equipment In Accordance With The Laws Of The Province Of Alberta. 31. The Contractor Shall Dispose Of All Waste Materials Produced By Or Incidental To The Crushing And Stockpiling Operation As Directed By The Manager Of Public Works Or His Designate. Upon Completion Of The Crushing The Site Is To Be Inspected By A Representative Of The Contractor And The Manager Of Public Works Or His Designate To Ensure The Work Site Is Left In A Condition Satisfactory To The County. 32. The Contractor Will Give The County At Least Two (2) Days’ Notice Of His Intention To Move The Crushing Operation From Any Location, And Simultaneously The County Will Be Informed Of The Location Where The Crushing Operation Will Resume. 33. The Contractor Is Responsible For The Overall Safety Of Their Workers. The Contractor Is Responsible To Comply With Applicable Environmental, Health, And Safety Legislation As Applicable In The Province Of Alberta. 34. The Contractor Shall Prepare And Implement An Environmental Construction Operations Plan In Accordance With The Department Manual Entitled “Environmental Construction Operations Plan (Eco Plan) Framework” Dated Sept. 2008 Version. The Plan Must Be Submitted And Approved By The County Prior To The Contractor Moving Into The Pit. 35. Should This Tender Be Accepted, The Undersigned Agrees To Enter Into A Written Agreement With The County For The Faithful Performance Of The Services Covered By This Tender. 36. The Hours Of Operation Permitted For The Crushing Portion Of The Services Shall Be 6 Days Per Week (Monday Thru Saturday) And Hours Of Operation Permitted Between 6:00 Am And 11:00 Pm 37. The Contractor Shall Provide Safe And Convenient Means For Accurately And Representatively Sampling Each Aggregate Stream Being Produced During All Screening, Splitting And Crushing Processes. 38. Acceptance Of Processed Aggregates Shall Take Place When They Are In Their Final Position And Have Met All The Requirements Of The Contract. Testing May Occur At Any Time And Rejection Of Material Will Occur For That Which Does Not Meet Specifications. 39. Crushing Operations Shall Be Controlled To Prevent Segregation Of The Various Particle Sizes. The Stacking Conveyor Used To Stockpile The Final Product Should Not Have A Discharge Point Of More Than 2.0 Meters Above The Stockpile. 40. The Contractor Shall Note That The Existing Area To Be Mined Is Not Prone To Groundwater, But That All Aggregates Identified Within The Proposed Excavation Area Shown On The Drawing Number G02c-02-2022 Shall Be Utilized Including All Aggregates Potentially Below The Water Table. Dewatering Methods Will Meet All Requirements As Per The Current Code Of Practice For Pits. No Separate Or Additional Payment Will Be Made For Utilizing Aggregates Below The Water Table Or For Dewatering Operations. Payment For This Work Will Be Considered Incidental To The Unit Price Bid Per Cubic Meter For Material Being Produced. 41. The Contractor Shall Dispose Of All Reject Material By Piling It As Identified On Drawing Number Gc02-02-2022. Reject May Also Be Used For Back Sloping In Excavations At The Approval Of The Manager Of Public Works Or His Designate. 42. To Accommodate Fuel Cost Changes Over The Course Of This Agreement, For Each $0.05/L Of Price Increase For #2 Dyed Diesel There Will Be A Premium Of $0.05/M3 For Produced Aggregate. For Every $0.05/L Of Price Decrease There Will Be A Credit To The County Of $0.05/M3. The Unit Price Fuel Adjustment Will Be Based On The Average #2 Dyed Diesel Fuel Price (Including Gst) On The Date Of Tender Closing Less The Average #2 Dyed Diesel Fuel Price (Including Gst) From The Start Of Crushing To The Crushing Completion Date. If The Crusher Is Not Crushing For A Period Of 5Days Or Longer That Period Will Be Excluded From The Average Fuel Price. The Price Of Fuel Will Be Determined By Using An Average Of The #2 Dyed Diesel County Rate From Petro Canada Bulk Station (Drever’S Agencies) And The Ufa Bulk Station In Camrose Alberta. The Premium Or Credit Will Be Adjusted On The Final Progress Payment And Applied To All Aggregate Produced. 43. A Pre-Tender Meeting Will Be Held April 6, 2022 At 10:00 A.M. At Schultz Pit #3. Attendance To This Meeting Is Mandatory For Prospective Bidders. Attendance Will Be Taken, And Failure To Attend This Meeting Will Be Cause For The Rejection Of A Tender.