for Road and Bridge Construction - CDOT

1 IColorado Department of TransportationStandard SpecificationsforRoad and Bridge Construction2 011iiiiiPR E FAC EThese standard specifications are to be used on contract work awarded by the Colorado Department of Transportation (CDOT). They may be supplemented or modified to suit specific specifications are expressed in United States Standard Measure (English units). The international System of Units (SI, Modernized Metric) is used only where standardized testing requires metric units. For clarity, aggregate sieve sizes appear in both SI and English Units.

2 The dimensions, measurements, and requirements stated in English units are the specification requirements. All Contractor submittals shall be prepared in English Units. Pay item quantities will be measured in English otherwise identified, forms herein referred to ( Form 605) are CDOT forms. Forms from other organizations or agencies are clearly identified ( FHWA Form 1273).Use of these specifications by any other organization or individual will be at the user s risk. Organizations or individuals citing these specifications by reference in their contract work will be responsible for furnishing prospective bidders copies of the specifications along with any addenda that may affect their of this book may be obtained from the Colorado Department of Transportation, Office of Bid Plans, 4201 E.

3 Arkansas Avenue, Denver, CO to these specifications may be issued by the Department to suit its needs. Addenda may be accessed on the CDOT web site and will be available for purchase at prices established by the DepartmentivvTABLE OF CONTENTS Page Division 100 General Provisions ..1 Section 101 Definitions and Terms ..1 Section 102 Bidding Requirements and Conditions .. Prequalification of Bidders .. Contents of Proposal Forms .. Interpretation of Quantities in Proposal Form .. Interpretation of Plans and Specifications .. Examination of Plans, Specifications, Special Provisions, and Site of Work.

4 Preparation of Proposal .. Irregular Proposals .. Combination or Conditional Proposals .. Anti-Collusion Affidavit .. Material Guaranty ..17 Section 103 Award, and Execution of Consideration of Proposals .. Award of Contract .. Requirement of Contract Bonds .. Execution and Approval of Contract ..18 Section 104 Scope of Work .. Intent of Contract .. Differing Site Conditions, Suspensions of Work, and Significant Changes in the Character of Work .. Extra Work .. Maintaining Traffic .. Rights in and Use of Materials Found on the Work.

5 Final Cleaning Up .. Value Engineering Change Proposals by the Contractor ..22 Section 105 Control of Work .. Authority of the Plans, Shop Drawings, Working Drawings, Other Submittals and Construction Drawings .. Conformity to the Contract .. Conformity to the Contract of Superpave Performance Graded Binders .. Conformity to the Contract of Hot Mix Asphalt .. Conformity to the Contract of Portland Cement Concrete Pavement .. Conformity to Roadway Smoothness Criteria of HMA .. Conformity to Roadway Smoothness Criteria of Portland Cement Concrete Coordination of Plans, Specifications, Supplemental Specifications, and Special Provisions.

6 Cooperation by Contractor .. Cooperation with Utilities .. Cooperation Between Contractors .. Construction Stakes, Lines and Grades .. Authority and Duties of the Project Engineer .. Duties of the Inspector .. Inspection and Testing of Work .. Removal of Unacceptable Work and Unauthorized Work .. Load Restrictions .. Maintenance During Construction .. Failure to Maintain Roadway or Structure .. Acceptance .. Dispute Resolution .. Dispute Review Claims for Unresolved Disputes ..84 Section 106 Control of Material .. Source of Supply and Quality Requirements.

7 Material Samples, Tests, Cited Specifications .. Qualification of Testing Personnel and Sampling and Testing of Hot Mix Asphalt .. Sampling and Testing of Portland Cement Concrete Paving .. Material Inspection at Plant .. Storage of Materials .. Handling Materials .. Department Furnished Materials .. Buy America Requirements .. Certificates of Compliance .. Certified Test Report ..111 Section 107 Legal Relations and Responsibility to Public .. Laws to be Observed .. Permits, Licenses, and Taxes .. Patented Devices, Materials, and Processes.

8 Restoration of Surfaces Opened by Permit .. Federal Aid Provisions .. Safety, Health, and Sanitation Provisions .. Public Convenience and Safety .. Railroad-Highway Provisions .. Construction over and Adjacent to Navigable Waters .. Barricades and Signs .. Use of Explosives .. Protection and Restoration of Property and Landscape .. Forest Protection .. Interruption of Irrigation Water Flow .. Responsibility for Damage Claims, Insurance Types and Coverage Limits .. Opening Sections of Project to Traffic .. Contractor s Responsibility for Work.

9 (unused) .. Furnishing Right of Way .. Personal Liability of Public Employees .. No Waiver of Legal Rights .. Third Party Beneficiary .. Archaeological and Paleontological Discoveries .. Air Quality Control .. Water Quality Control ..125 Section 108 Prosecution and Progress .. Subletting of Contract .. Notice to Proceed .. Schedule .. Payment Schedule .. Limitation of Operations .. Character of Workers; Methods and Equipment .. Workplace Determination and Extension of Contract Time .. Failure to Complete Work on Time .. Default of Contract.

10 Termination of Contract ..144 Section 109 Measurement and Payment .. Measurement of Quantities .. Scope of Payment .. Compensation for Altered Quantities .. Compensation for Changes and Force Account Work .. Eliminated Items .. Partial Payments .. Payment for Material on Hand (Stockpiled Material) .. Reserved .. Acceptance and Final Payment .. Compensation for Compensable Delays ..158viiiDivisions 200 through 600 Construction Details Division 200 Earthwork ..161201 Clearing and Grubbing ..161202 Removal of Structures and Obstructions ..163203 Excavation and Embankment.