1、Designation: C1093 12C1093 13Standard Practice forAccreditation of Testing Agencies for Masonry1This standard is issued under the fixed designation C1093; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A
2、 number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This practice covers the minimum requirements for laboratory personnel, for establishing and maintaining a quality system,and it esta
3、blishes minimum qualifications for agencies engaged in the testing of masonry materials.1.2 Criteria are provided for evaluating the capability of an agency to properly perform designated tests on masonry materials,and for establishing guidelines pertaining to an agencys organization, personnel, fac
4、ilities, and quality system. This practice maybe supplemented by more specific criteria and requirements for particular projects.1.3 This practice can be used as a basis to evaluate testing agencies, and it is intended for use for the qualifying or accreditingof testing agencies, or both, public or
5、private, engaged in the testing of masonry materials.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of
6、 regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C67 Test Methods for Sampling and Testing Brick and Structural Clay TileC109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube Specimens)C117 Test Method for Materials Finer
7、 than 75-m (No. 200) Sieve in Mineral Aggregates by WashingC136 Test Method for Sieve Analysis of Fine and Coarse AggregatesC140 Test Methods for Sampling and Testing Concrete Masonry Units and Related UnitsC143/C143M Test Method for Slump of Hydraulic-Cement ConcreteC173/C173M Test Method for Air C
8、ontent of Freshly Mixed Concrete by the Volumetric MethodC185 Test Method for Air Content of Hydraulic Cement MortarC230/C230M Specification for Flow Table for Use in Tests of Hydraulic CementC231 Test Method for Air Content of Freshly Mixed Concrete by the Pressure MethodC270 Specification for Mort
9、ar for Unit MasonryC305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic ConsistencyC470/C470M Specification for Molds for Forming Concrete Test Cylinders VerticallyC780 Test Method for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Un
10、it MasonryC1072 Test Methods for Measurement of Masonry Flexural Bond StrengthC1506 Test Method for Water Retention of Hydraulic Cement-Based Mortars and PlastersE4 Practices for Force Verification of Testing MachinesE11 Specification for Woven Wire Test Sieve Cloth and Test Sieves3. Terminology3.1
11、Definitions:3.1.1 quality systemthe organizational structure, responsibilities, procedures, processes, capabilities, and resources forimplementing quality management.1 This practice is under the jurisdiction of ASTM Committee C15 on Manufactured Masonry Units and is the direct responsibility of Subc
12、ommittee C15.07 on Standardsfor Laboratory Accreditation.Current edition approved July 1, 2012July 1, 2013. Published August 2012July 2013. Originally approved in 1988. Last previous edition approved in 20112012 asC1093 11.C1093 12. DOI: 10.1520/C1093-12.10.1520/C1093-13.2 For referencedASTM standar
13、ds, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM
14、 standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published b
15、y ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.2 Definitions of Terms Specific to This Standard:3.2.1 agencythe organ
16、ization engaged to test masonry materials as required by a specification or contract.3.2.2 quality system manual (QSM)a manual describing and documenting an agencys quality system.3.2.3 userthe person or organization engaging the agency to provide tests; or using this practice to evaluate or accredi
17、t theagency.4. Significance and Use4.1 This practice provides the basic minimum criteria for use in evaluating the qualifications of testing agencies for masonrymaterials. The criteria may be supplemented by more specific criteria and requirements. It can be used as a guide for internal auditsby ind
18、ividual users.4.2 The intent of this practice is to provide a consensus basis for evaluating a testing agency, with respect to that agencyscapability to objectively and competently provide the specific services needed by the user.4.3 This practice may be used as a basis for accreditation.5. Responsi
19、bilities and Duties5.1 The agency shall ensure that only tests for which it is adequately equipped and staffed are performed.5.2 The agency shall ensure that personnel perform only tests for which they are adequately trained, qualified, and certified inaccordance with applicable specifications.5.3 T
20、he agency shall ensure that all equipment is properly maintained in good operating condition and is calibrated or verifiedas applicable.5.4 The agency shall perform all testing in accordance with appropriate standards and quality control criteria. Documents uniqueto the user shall be furnished to th
21、e agency.6. General Capabilities6.1 Laboratory TestingThe laboratory testing services of the masonry materials testing agency shall include some or all of thefollowing capabilities:6.1.1 Testing of masonry units in the laboratory,6.1.2 Testing of masonry mortars in the laboratory, and6.1.3 Testing o
22、f aggregates for compliance with specification requirements.NOTE 1Since the requirements for construction control can vary from project to project depending upon the nature of the type, location, and intendeduse of the masonry in the project, the capability of the agency for testing should be that n
23、ecessary to accomplish construction control for the users specificproject or special requirements.7. Personnel Qualifications7.1 Management and SupervisionAll relevant testing services shall be provided under the Full-Time technical direction of aregistered professional Engineer, with at least 5 yea
24、rs of experience in inspecting and testing masonry materials or a person ofequivalent science-oriented education and experience.7.1.1 It is satisfactory for a person to fill one or more of the levels of management in an agency, Manager, Supervisor, orTechnician positions in accordance with 7 and 7.2
25、 providing that person is qualified position.7.2 Supervising Laboratory TechnicianThe supervising laboratory technician shall have at least five years experienceperforming tests on materials, with at least two years testing masonry materials. This person shall be able to demonstrate, eitherby oral o
26、r written examination, or both, the ability to perform the tests normally required in the manner stipulated under ASTMor other governing procedures and shall be capable of evaluating the test results in terms of specification compliance.8. Quality System Criteria8.1 The agency shall establish and im
27、plement a quality system that meets the criteria in subsections 8.2 to 8.14.8.2 Quality System Manual (QSM)The agency shall establish and maintain a QSM that conforms to the requirements inSection 9. Each document in the QSM shall indicate its preparation date. If a document is revised, the date of
28、revision shall beindicated on the document. The QSM shall be available for use by laboratory staff.8.3 Quality System ManagementThe agency shall designate a person(s) having responsibility for the quality system and itsimplementation. The quality manager ensures that activities are being conducted b
29、y agency staff in the manner specified in theagencys quality system manual and has responsibility for maintaining and revising it. This individual(s) shall have direct accessto top management (see Note 2).NOTE 2This individual(s) may have other responsibilities (for example, laboratory manager).C109
30、3 1328.4 Laboratory Procedure ManualA written laboratory procedure manual outlining the method or inspection procedure foreach test or service performed by the laboratory.NOTE 3Inspection and testing procedures may reference published standards.8.5 EquipmentThe agency shall calibrate or verify all s
31、ignificant testing equipment associated with tests covered by the scopeof this standard which the agency performs. As a minimum, the equipment listed in 8.5.2 shall be included if it is associated withtests performed by the agency.Applicable equipment shall be calibrated or verified at the intervals
32、 specified in the agencys QSM.The intervals specified in the QSM shall be no greater than those indicated in 8.5.2 (see Note 4). Newly acquired equipmentwithout manufacturers certification and equipment that has not been calibrated or verified because it has been removed fromservice shall be calibra
33、ted or verified before being placed in service. The agency shall have detailed written procedures for allin-house calibration and verification activities not addressed in standards. These procedures shall indicate the equipment requiredto perform the calibration or verification. In addition to stand
34、ard test method requirements, the conditions listed in 8.5.2 shall bemet.8.5.1 Calibration and Verification RecordsThe agency shall maintain calibration and verification records for all equipmentspecified in the QSM. Such records shall include:8.5.1.1 Description of the equipment calibrated or verif
35、ied, including identification of the specific piece of equipment using theequipment serial number or other unique identifying designator provided by the agency (see Note 5),8.5.1.2 Date the work was done,8.5.1.3 Identification of individual performing work,8.5.1.4 Identification of calibration or ve
36、rification procedure used,8.5.1.5 The previous calibration or verification date and next due date,8.5.1.6 Identification of any calibration or verification device used, and8.5.1.7 Specific criteria required for each piece of equipment listed in 8.5.2.8.5.2 Masonry Test Equipment:8.5.2.1 Balances and
37、 WeightsCalibrate balances and weights at intervals not exceeding 12 months. Record shall include testpoints and corresponding percentage of error.8.5.2.2 Cube Molds and TampersVerify cube molds and tampers for conformance to the design and dimensional requirementsof Test Method C109/C109M. Verifica
38、tion shall be performed at intervals not exceeding 30 months.8.5.2.3 Compression Test MachineCompression test machine shall conform to the applicable requirements of Test MethodsC67, C109/C109M, or C140 and have a capacity, loading range, and the appropriate heads and bearing plates for the specimen
39、stested. Calibrate compression testing machines in accordance with Practices E4. Record shall include test points and correspondingpercentage of error. Calibration shall be performed at intervals not exceeding 12 months.8.5.2.4 Flexural Bond ApparatusFlexural bond apparatus shall conform to the appl
40、icable requirements of Test Method C1072.Calibrate the load measuring apparatus in accordance with Practices E4. Record shall include test points and correspondingpercentage of error. Calibration shall be performed at intervals not exceeding 12 months.8.5.2.5 Mechanical ShakersVerify the period of m
41、echanical agitation of mechanical shakers for adequacy of sieving asdescribed in Test Method C136. Record shall include length of time for the proper efficiency of sieving. Verification shall beperformed at intervals not exceeding 12 months.8.5.2.6 Mixers (for Specification C270)Inspect and verify m
42、ixers for conformance to the requirements of Practice C305.Verification shall be performed at intervals not exceeding 30 months.8.5.2.7 Cylindrical MoldsCylindrical molds shall comply with the requirements of Specification C470/C470M. Record shallinclude dimensions and results of water-tightness tes
43、t. Verification shall be performed at intervals not exceeding 12 months.8.5.2.8 OvensVerify oven settings temperature measuring device(s) with a certified reference thermometer. Record shallinclude test points, reading, and adjustments if necessary. Verification shall be performed at intervals not e
44、xceeding 412 months.8.5.2.9 Sieve AccuracyVerification of sieve accuracy shall be performed at least annually on each sieve used in the test forsieve analysis (Test Methods C117 and C136). Any one of the following three methods of verification is acceptable. Each methodof sieve verification shall in
45、clude an inspection of the sieve cloth for punctures or obvious defects:(1) Verification of each sieve according to the procedures prescribed in the Annex of Specification E11.(2) A comparison of the results of a split sample sieved on different sieve sets. Results shall be verified for single opera
46、torprecision to be within the acceptable range of two results stated in the test method.(3) Participation in the sieve analysis test in an aggregate proficiency sample program. Results shall be verified formultilaboratory precision to be within the acceptable range of two results stated in the test
47、method.8.5.2.10 ThermometersVerify thermometers using a water or oil bath and a NIST-traceable calibrated reference temperaturemeasuring device. Record shall include test points and readings at test points. Verification shall be performed at intervals notexceeding 12 months.8.5.2.11 TimersVerify tim
48、ers for accuracy. Record shall include test points, readings at test points. Verification shall beperformed at intervals not exceeding 12 months.8.5.2.12 Water RetentionVerify water retention apparatus for conformance to the applicable requirements of Test MethodC1506. Verification shall be performe
49、d at intervals not exceeding 30 months.C1093 1338.5.2.13 Air Content MeasureVerify air content measure following the procedures described in Test Method C185.Verification shall be performed at intervals not exceeding 30 months.8.5.2.14 Flow TableVerify flow table using the calibration material described in Specification C230/C230M. Verification shallbe performed at intervals not exceeding 30 months, and when table is moved.8.5.2.15 Cone PenetrometerVerify cone penetrometer for the applicable requirements of Test Method C780. Record shall
