[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR635.101] [Page 159] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 635_CONSTRUCTION AND MAINTENANCE--Table of Contents Subpart A_Contract Procedures Sec. 635.101 Purpose. Subpart A_Contract Procedures Sec. 635.101 Purpose. 635.102 Definitions. 635.103 Applicability. 635.104 Method of construction. 635.105 Supervising agency. 635.106 Use of publicly owned equipment. 635.107 Participation by disadvantaged business enterprises. 635.108 Health and safety. 635.109 Standardized changed condition clauses. 635.110 Licensing and qualification of contractors. 635.111 Tied bids. 635.112 Advertising for bids and proposals. 635.113 Bid opening and bid tabulations. 635.114 Award of contract and concurrence in award. 635.115 Agreement estimate. 635.116 Subcontracting and contractor responsibilities. 635.117 Labor and employment. 635.118 Payroll and weekly statements. 635.119 False statements. 635.120 Changes and extra work. 635.121 Contract time and contract time extensions. 635.122 Participation in progress payments. 635.123 Determination and documentation of pay quantities. 635.124 Participation in contract claim awards and settlements. 635.125 Termination of contract. 635.126 Record of materials, supplies, and labor. 635.127 Agreement provisions regarding overruns in contract time. Subpart B_Force Account Construction 635.201 Purpose. 635.202 Applicability. 635.203 Definitions. 635.204 Determination of more cost effective method or an emergency. 635.205 Finding of cost effectiveness. Subpart C_Physical Construction Authorization 635.301 Purpose. 635.303 Applicability. 635.305 Physical construction. 635.307 Coordination. 635.309 Authorization. Subpart D_General Material Requirements 635.401 Purpose. 635.403 Definitions. 635.405 Applicability. 635.407 Use of materials made available by a public agency. 635.409 Restrictions upon materials. 635.410 Buy America requirements. 635.411 Material or product selection. 635.413 Guaranty and warranty clauses. 635.417 Convict produced materials. Appendix A to Subpart D--Summary of Acceptable Criteria for Specifying Types of Culvert Pipes Authority: 23 U.S.C. 101 (note), 109, 112, 113, 114, 116, 119, 128, and 315; 31 U.S.C. 6505; 42 U.S.C. 3334, 4601 et seq.; Sec. 1041 (a), Pub. L. 102-240, 105 Stat. 1914; 23 CFR 1.32; 49 CFR 1.48(b). Editorial Note: Nomenclature changes to part 635 appear at 67 FR 75924, Dec. 10, 2002. Source: 56 FR 37004, Aug. 2, 1991, unless otherwise noted. To prescribe policies, requirements, and procedures relating to Federal-aid highway projects, from the time of authorization to proceed to the construction stage, to the time of final acceptance by the Federal Highway Administration (FHWA). [[Page 160]]