ASTM_D_290_-_91a_scan.pdf

ASTM D290 REV*A 91 m 0759530 0080707 2 4Tb Designation:D 290-91a AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race St Philadelphia,Pa 19103 Reprinted from the Annual Book of ASTM Standards.Copyright ASTM If not listed in the current combined index,will appear in the nexi edition.Standard Practice for Bituminous Mixing Plant Inspection This standard is issued under the fixed designation D 290;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope 1.1 This practice defines the authority and duties of the inspector at the bituminous mixing plant.These duties are performed in order to ensure the contractors compliance with the contract and applicable specifications and do not in any way relieve the contractor of the responsibility to produce uniform mixtures in compliance with the contract.1.2 The values stated in inch-pound units are to be regarded as the standard.1.3 This standard does not purport to address all o f the safety problems,if any,associated with its use.It is the responsibility o f the user o f this standard to establish appro-priate safety and health practices and determine the applica-bility o f regulatory/imitations prior to use.2.Referenced Documents 2.1 ASTM Standards:C 136 Method for Sieve Analysis of Fine and Coarse D 75 Practice for Sampling Aggregates)D 140 Practice for Sampling Bituminous Materials3 D 242 Specification for Mineral Filler for Bituminous D 546 Test Method for Sieve Analysis of Mineral Filler for D 979 Practice for Sampling Bituminous Paving Mixtures3 D 995 Specification for Mixing Plants for Hot-Mixed,Hot-Laid Bituminous Paving Mixtures3 D 3666 Practice for Evaluating and.Qualifying Agencies Testing and Inspecting Bituminous Paving Material9 Aggregates2s3 Paving Mixtures3 Road and Paving Materials3 3.Terminology 3.1 Descriptions o f Terms Specific to This Standard:3.1.1 engineer,n-the party in responsible charge of the work or the engineers duly recognized or authorized repre-sentative.3.1.2 inspector,n-the engineers(or in the absence of the engineer,the purchasers)authorized representative dele-gated to perform inspections,tests,and duties hereinafter indicated.3.1.2.1 Discussion-The inspector shall be qualified as a technician in accordance with the applicable requirements of Practice D 3666.I This practice is under the jurisdiction of ASTM Committee D-4 on Road and Paving Materials and is the direct responsibility of Subcommittee W4.23 on Plant-Mixed Bituminous Surfaces and Bases.Current edition approved Sept.15,1991.Published November 1991.Originally published as D 290-28 T.Last previous edition D 290-9 I.Annual Book o f ASTM Standards,Vol 04.02.Atinual Book o f ASTM Standards,Vol 04.03.3.1.3 Contractor,n-the party to the contract who has agreed to supply materials and perform work in accordance with the specifications,or the contractors duly authorized representative at the plant.3.1.4 laboratory,n-any supervising laboratory duly au-thorized by the engineer to direct and advise the inspector in the discharge of assigned duties.3.1.4.1 Discussion-The laboratory shall satisfy the appli-cable requirements of Practice D 3666.3.1.5 plant laboratory,n-the laboratory operated by or under the direction of the plant inspector at the plant,or the contractors laboratory for use by the contractors represen-tative for the control of plant production.4.Significance and Use 4.1 This practice defines the authority and duties of the inspection personnel assigned to bituminous mixing plants.4.2 The intent of the practice is to assure by inspection,that the contractors facilities,production operations,mate-rials handling,required testing,and finally,the finished mix product comply with applicable specifications.5.Responsibilities and General Duties of Inspector 5.1 Authority-In the absence of authority conferred by the specifications or contract provisions,the inspector shali be provided with written authority from the engineer to ensure fulfillment of specifications covering materiais,plant procedure,and products,and reject such materials,proce-dures,and products failing to conform to specifications.The inspector shall have available a copy of the specifications and any contract special provisions applying to the particular project,and shall be furnished immediately in writing with copies of all modifications,amendments,and instructions affecting the product of the plant.The inspector shali recognize the right of the contractor to use such apparatus,methods,and personnel as deemed proper,provided that no specification requirements are thereby violated.Any appeal on the part of the contractor from rejections shall be made in writing to the engineer,with a copy to the inspector,unless otherwise provided in the contract.5.2 Cooperation-The