4.1 Quality assurance observation of roofing projects is an important process for determining if the removal, installation, repair, or maintenance of roofing materials or systems follows the scope and intent of the contract documents and are installed and executed in accordance with accepted roofing practices and the contract documents.4.2 This practice is applied to full-time quality assurance observation of roofing projects involving the removal, construction, and repair and maintenance of low and steep-slope roof systems and roofing-related accessories.4.3 This practice establishes the role and responsibilities of those performing quality assurance observation and includes qualifications of the quality assurance observer, as well as procedures for observation and documentation during the roof construction or repair process.4.4 If used, nothing in this practice shall be interpreted as precluding the use of all or parts of it while conducting full-time or part-time quality assurance observer (QAO) inspection.1.1 This practice covers procedures for performing visual monitoring of roofing construction to:1.1.1 Establish guidelines for quality assurance observation practices; and1.1.2 Define the role and responsibilities of the quality assurance observer.1.2 This practice pertains to quality assurance observation of roofing projects and the report of information obtained from these observations. This practice is applicable to new construction or reroofing projects involving the installation of a new roof system, the removal of existing roofing and installation of a new roof system, or recovering an existing roof. It is also applicable to roofing projects involving repairs or scheduled maintenance to an existing roof.1.3 This practice contains the following information:1.3.1 The objectives of the quality assurance process;1.3.2 The responsibilities and qualifications of the individual(s) involved in the observations of the roof construction or repair;1.3.3 Identification and use of the basic tools or equipment required for the visual roof observation process; and1.3.4 Monitoring, recording, and reporting procedures.1.4 This practice addresses new construction or repair. This practice does not address the investigation, condition, or analysis of existing roofs.1.5 This practice does not address practices of roof investigation, condition reporting, or analysis of preexisting roofs.1.6 This practice does not pertain to quality control processes or techniques performed by persons or entities representing or under contract to the roofing contractor. The quality control process is separate and distinct from the quality assurance observation process.1.7 Assessment of safe work practices or safety monitoring procedures followed by the contractor is outside the scope of this practice.1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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4.1 Field QA demonstrates the effectiveness of field quality control procedures. Effective QA facilitates the collection of statistically significant data that is defendable scientifically and in a court of law. QA also involves the use of consistent procedures, increasing the validity of data comparison among sampling locations and events.4.2 This guide should be used by a professional or technician who has training or experience in groundwater sampling.1.1 This guide covers the quality assurance (QA) methods that may be used to assure the validity of data obtained during the sampling of a groundwater monitoring well. QA is any action taken to ensure that performance requirements are met by following standards and procedures. Following QA practices becomes even more critical if the data must be validated in a court of law. Under certain conditions, it may be necessary to follow additional or different QA practices from those listed in this guide. QA practices should be based upon data quality objectives, site-specific conditions, and regulatory requirements.1.2 This standard addresses QA procedures used in the field and does not refer to laboratory QA procedures.1.3 This standard also does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.1.4 This standard provides guidance for selecting and performing various field QA procedures. This document cannot replace education or experience and should be used in conjunction with professional judgement. Not all of the procedures are applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project’s many unique aspects. The word “standard” in the title of this document means only that the document has been approved through the ASTM consensus process.

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4.1 The quality of a tape product is determined by the quality systems of the tape producer, including all processes involved in the engineering and production of the product. It is recommended that appropriate sections of ANSI/ASQC Q94 be included in a producer's quality systems. This practice does not intend to standardize these systems. A producer's reputation, a producer's certification of conformance, or evidence of a producer's quality systems are often sufficient to ensure a purchaser or user of a consistent quality. Acceptance sampling is useful when an objective basis of contract or specification conformance is desired.4.2 The intention of this practice is to provide a reasonably simple document which can be used by both the buyer and seller of pressure-sensitive tape to determine if the product offered for sale meets some predetermined specification for the product. This practice offers the procedures for determining the size of the sample to be inspected and the criteria for determining whether the lot (amount of material offered for sale) should be accepted or rejected. This practice draws from and is based on both ANSI/ASQC Z1.4 and ANSI/ASQC Z1.9.4.3 Two forms of sampling plans are included: sampling by attributes and sampling by variables. Sampling by attributes is used for end-item examination and both are used where appropriate for end-item testing. Sampling by attributes has the advantage of simplicity while sampling by variables has the advantage of costing less for the equivalent assurance of the correctness of decisions.4.3.1 Sampling plans for inspection by attributes (see Table 2), should be used for end-item examination (see 5.3).(A) This table is based on Tables I, II-A, II-B, and II-C of ANSI/ASQC Z1.4 using an inspection level of S-3.|Co = Use first sample plan below arrow. If sample size equals or exceeds lot or batch size, do 100 % inspection.|Cu = Use first sample plan above arrow.Ac = Acceptance number.Re = Rejection number.4.3.2 Sampling plans for inspection by variables (see Table 1 and 5.4), should be used for end-item testing except as indicated in 5.4.1.2(a).4.4 Use of this practice assumes that a specification defining one or more quality characteristics exists. It is suggested that buyer and seller agree on acceptable quality levels (AQL) from within the choices shown in the tables of this practice.4.5 When conditions warrant switching from normal to tightened or reduced inspection, the appropriate sampling plans are available in Table 1 and Table 2. The decision to switch should be agreed upon between the buyer and the seller. When lots are rejected under normal inspection it is usual to go to tightened inspection. No change in AQL is made, but the assurance of making the correct decision is improved usually by the sampling plan calling for a larger sample size. Reduced inspection is a switch from normal inspection made when some number of lots, usually 10, passes in consecutive order. Switching should move from reduced to normal and from normal to tightened or from tightened to normal without skipping an intermediate step.1.1 This practice contains uniform quality assurance provisions for pressure-sensitive tapes and establishes sampling plans and procedures for acceptance inspection.1.2 Limitations: 1.2.1 This practice only includes procedures for when an upper or a lower specification limit is given. It does not provide for double, both minimum and maximum, specification limits.NOTE 1: When double specification limits are given (applies to variables testing only), use may be made of Table C-3 and Example C-3 of ANSI/ASQC Z1.9.1.2.2 The variables sampling plans apply to a single quality characteristic. Having obtained the sample and the responses to the physical property tests, acceptance is determined on one quality characteristic at a time. The process is repeated for each additional characteristic.1.2.3 The variables sampling plans require that the response to each quality characteristic is normally distributed either directly or by transformation. If this is not known, the potential user of this practice should seek the counsel of someone with sufficient understanding of statistical techniques to provide that information.1.3 The values stated in either SI or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently, without combining values in any way.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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4.1 Quality assurance, as covered by this practice, comprises all those planned and systematic actions necessary to provide adequate confidence that safety-related coating work in nuclear facilities as defined in Guide D5144, will perform satisfactorily in service.4.2 It is not practical to impose all the requirements of this practice on certain specific items that require only a small quantity of coating material. The licensee, consistent with his formal Quality Assurance Program, may accept affidavits of compliance or certification attesting to the quality of a shop or field coating for such items. If required by licensing commitment; safety-related coatings that are not qualified or for which the quantification basis is indeterminate as defined in Guide D5144, shall be identified, quantified, and documented.4.3 This practice may be incorporated in a project specification by direct reference or may be used to provide guidelines for the quality assurance program for coatings, on the basis of the licensee’s requirements. Effective use of this practice may also require the incorporation of applicable sections in project specifications for coatings on concrete, steel, equipment, and other related items.1.1 This standard replaces ANSI N101.4 and provides a common basis for, and specifically comprises quality assurance requirements applicable to, safety-related protective coating work in Coating Service Level I areas of nuclear facilities as defined in Guide D5144.1.2 This standard meets the requirements of ANSI N101.4 while also recognizing advancements in technology and industry practices since transfer to ASTM responsibility for updating, rewriting, and issuing replacement standards to ANSI N101.4.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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This specification covers agencies engaged in system analysis and compliance assurance for manufactured building. The administrative agency may utilize the services and facilities of building-evaluation agencies in carrying out its responsibilities for evaluating manufactured building systems. By providing criteria for evaluating these agencies, this standard's objective is to (1) utilize the voluntary standards system to provide a common base for the various regulatory approaches employed by the authorities having jurisdiction, and (2) make provision for varying degrees of optional technical support for the certification of manufactured building. The system analysis agency is responsible for determining whether a building system, including the design, materials, and fabrication process, is in conformance with applicable requirements. The documents of the system analysis function are: product description document, compliance assurance manual, and installation documents. The general procedures for system analysis are presented in details. The tasks of system analysis project manager, technical staff evaluating building systems, technical staff evaluating compliance assurance manuals, and project manager evaluating building systems are presented in details. The requirements and criteria for compliance assurance agencies are presented. The task of compliance assurance agency project manager, technical staff preparing compliance assurance manuals, compliance assurance supervisor of inspection, and compliance assurance inspector are presented in details.1.1 This specification provides the criteria for the administrative agency that has regulatory authority as granted by the authority having jurisdiction AHJ to evaluate the capabilities and qualifications of building evaluation agencies, that performs system analysis or compliance assurance or both for certification of manufactured building on behalf of an authority having jurisdiction (AHJ) that meet the needs of regulatory programs. Administrative agencies and building evaluation agencies (third-party agencies) are the primary users of the standard.1.2 To establish an appropriate degree of intra- and inter-state credibility regarding building system evaluations made through governmental or private agencies, the authorities having jurisdiction should utilize an oversight and approval process for the building-evaluation agencies that provide the services of system analysis or compliance assurance on behalf of the AHJ that may include: approval by the AHJ for both oversight and or auditing of the regulatory body, or approval by the AHJ and oversight, and or auditing by an independent auditor for the regulatory body, or approval with the AHJ and oversight, and auditing by an independent accreditation agency.1.3 Building-evaluation agencies examined under this specification may include governmental or private agencies or both.1.4 Practice E651 may be used to support the evaluation of building-evaluation agencies. Other criteria such as independence, financial stability, and objectivity may need to be considered.NOTE 1: Practice E651 is intended as a companion standard to Specification E541 and includes questions that should be asked of system analysis and compliance assurance agencies in order for the administrative agency to evaluate their competency.1.5 These criteria set forth the minimum personnel requirements and the technical and organizational procedures required for building-evaluation agencies engaged in evaluating manufactured building.1.6 Criteria are included for building-evaluation agencies evaluating innovative as well as conventional building systems, against applicable requirements.1.7 Building-evaluation agencies involved in testing, quality assurance, and evaluating building components can be evaluated by using Specification E699.1.7.1 Specification E699 is used in conjunction with Specification E541 and Practice E651. This specification defines the minimum requirements for agencies engaged in inspections and testing performance in accordance with ASTM standards for factory-built building components and assemblies. The criteria in this specification are provided for assessing the competence of an agency to properly perform designation testing, quality assurance, and inspection.1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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This guide describes quality assurance protocols for the determination of the anions and cations in atmospheric wet deposition which include the minimum recommended requirements for the preparation of calibration standards and suggested procedures for validating laboratory measurement results. Specimens to be used in all tests shall consist of reagent grade chemicals, water, and standard solutions. Common techniques for chemical analysis include automated colorimetry; ion chromatography, flame atomic absorption spectrophotometry, electrometry, and inductively coupled plasma spectrometry. Analytical precision and bias determinations shall be done for evaluation of the reference materials. Samples for reanalysis may be selected from the evaluation of control charts and the calculation of ion and conductivity percent differences.1.1 This guide describes quality assurance (QA) protocols for the determination of the anions and cations in Atmospheric Wet Deposition (AWD) shown in Table 1.1.2 Included in this guide are minimum recommended requirements for the preparation of calibration standards and suggested procedures for validating laboratory measurement results.1.3 This guide describes minimum requirements for the frequency of analysis of quality assurance samples and recommends procedures for the evaluation of quality assurance data.1.4 The guide's recommendations are based upon expected anion and cation concentrations in AWD (1)2 and Appendix X1.1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价： 590元 加购物车

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定价： 590元 加购物车

定价： 590元 加购物车

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4.1 The purpose of this guide is to provide end-product manufacturers and other users with technical information and methods recommended towards the achievement of successful application of crimped wire terminals.4.2 For any given use, there is generally a choice of terminal types available, employing different mechanical design, materials, and installation tooling. Although terminals available to choose from may be similarly rated, typically according to wire sizes and combinations, their electrical contact performance in the end product may vary substantially. For many applications, the end-product reliability and user safety is substantially influenced by the choice of terminal and the quality of the completed termination. This guidance document contains specialized information on selection, assembly, and quality control of crimped wire terminals, covering aspects considered to be necessary to achieve reliable long-term operation in the intended application. This information is not generally found in commercial literature or textbooks. The methods discussed utilize connection resistance as the primary measure of termination quality, and change of connection resistance with time as the measure of termination deterioration. The methods are based on a foundation of modern electrical contact theory and practice.1.1 This guide contains practices for specifying and evaluating the electrical contact performance of crimped-type terminations with solid or stranded conductors.1.2 This guide provides information relevant to the electrical contact performance of a crimped wire termination. It does not cover other aspects of selection and use of crimped terminals.1.3 The methods discussed in this guide apply only to the wire termination, which is the electrical contact interface between the conductor(s) and the terminal. Other aspects important to terminal evaluation, such as the properties and performance of electrical insulation, the effectiveness of strain relief features, and the quality of contact between the terminal and other electrical circuit elements, are not included.1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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