1、Designation: C 1093 08Standard Practice forAccreditation of Testing Agencies for Masonry1This standard is issued under the fixed designation C 1093; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numbe
2、r 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 forlaboratory personnel, for establishing and maintaining a qualitysystem, and it establishes
3、 minimum qualifications for agenciesengaged in the testing of masonry materials.1.2 Criteria are provided for evaluating the capability of anagency to properly perform designated tests on masonrymaterials, and for establishing guidelines pertaining to anagencys organization, personnel, facilities, a
4、nd quality system.This practice may be supplemented by more specific criteriaand requirements for particular projects.1.3 This practice can be used as a basis to evaluate testingagencies, and it is intended for use for the qualifying oraccrediting of testing agencies, or both, public or private,enga
5、ged in the testing of masonry materials.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory
6、limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C67 Test Methods for Sampling and Testing Brick andStructural Clay TileC 109/C 109M Test Method for Compressive Strength ofHydraulic Cement Mortars (Using 2-in. or 50-mm CubeSpecimens)C117 Test Method for Materials Finer than 75-m (
7、No.200) Sieve in Mineral Aggregates by WashingC 136 Test Method for Sieve Analysis of Fine and CoarseAggregatesC 140 Test Methods for Sampling and Testing ConcreteMasonry Units and Related UnitsC 143/C 143M Test Method for Slump of Hydraulic-Cement ConcreteC 173/C 173M Test Method for Air Content of
8、 FreshlyMixed Concrete by the Volumetric MethodC 185 Test Method for Air Content of Hydraulic CementMortarC 230/C 230M Specification for Flow Table for Use in Testsof Hydraulic CementC 231 Test Method for Air Content of Freshly MixedConcrete by the Pressure MethodC 270 Specification for Mortar for U
9、nit MasonryC 305 Practice for Mechanical Mixing of Hydraulic CementPastes and Mortars of Plastic ConsistencyC 470/C 470M Specification for Molds for Forming Con-crete Test Cylinders VerticallyC 780 Test Method for Preconstruction and ConstructionEvaluation of Mortars for Plain and Reinforced UnitMas
10、onryC 1072 Test Method for Measurement of Masonry FlexuralBond StrengthC 1506 Test Method for Water Retention of HydraulicCement-Based Mortars and PlastersE4 Practices for Force Verification of Testing MachinesE11 Specification for Wire Cloth and Sieves for TestingPurposes3. Terminology3.1 Definitio
11、n:3.1.1 quality systemthe organizational structure, respon-sibilities, procedures, processes, capabilities, and resources forimplementing quality management.3.2 Definitions of Terms Specific to This Standard:3.2.1 agencythe organization engaged to test masonrymaterials as required by a specification
12、 or contract.3.2.2 quality system manual (QSM)a manual describingand documenting an agencys quality system.3.2.3 userthe person or organization engaging the agencyto provide tests; or using this practice to evaluate or accreditthe agency.4. Significance and Use4.1 This practice provides the basic mi
13、nimum criteria foruse in evaluating the qualifications of testing agencies formasonry materials. The criteria may be supplemented by more1This practice is under the jurisdiction of ASTM Committee C15 on Manufac-tured Masonry Units and is the direct responsibility of Subcommittee C15.07 onStandards f
14、or Laboratory Accreditation.Current edition approved July 1, 2008. Published July 2008. Originally approvedin 1988. Last previous edition approved in 2007 as C 1093 07.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual
15、 Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.specific cri
16、teria and requirements. It can be used as a guide forinternal audits by individual users.4.2 The intent of this practice is to provide a consensus basisfor evaluating a testing agency, with respect to that agencyscapability to objectively and competently provide the specificservices needed by the us
17、er.4.3 This practice may be used as a basis for accreditation.5. Responsibilities and Duties5.1 The agency shall ensure that only tests for which it isadequately equipped and staffed are performed.5.2 The agency shall ensure that personnel perform onlytests for which they are adequately trained, qua
18、lified, andcertified in accordance with applicable specifications.5.3 The agency shall ensure that all equipment is properlymaintained in good operating condition and is calibrated asapplicable.5.4 The agency shall perform all testing in accordance withappropriate standards and quality control crite
19、ria. Documentsunique to the user shall be furnished to the agency.6. General Capabilities6.1 Laboratory TestingThe laboratory testing services ofthe masonry materials testing agency shall include some or allof the following capabilities:6.1.1 Testing of masonry units in the laboratory,6.1.2 Testing
20、of masonry mortars in the laboratory, and6.1.3 Testing of aggregates for compliance with specifica-tion requirements.NOTE 1Since the requirements for construction control can vary fromproject to project depending upon the nature of the type, location, andintended use of the masonry in the project, t
21、he capability of the agency fortesting should be that necessary to accomplish construction control for theusers specific project or special requirements.7. Personnel Qualifications7.1 Management and SupervisionAll relevant testing ser-vices shall be provided under the Full-Time technical directionof
22、 a registered professional Engineer, with at least 5 years ofexperience in inspecting and testing masonry materials or aperson of equivalent science-oriented education and experi-ence.7.1.1 It is satisfactory for a person to fill one or more of thelevels of management in an agency, Manager, Supervis
23、or, orTechnician positions in accordance with 7 and 7.2 providingthat person is qualified position.7.2 Supervising Laboratory TechnicianThe supervisinglaboratory technician shall have at least five years experienceperforming tests on materials. This person shall be able todemonstrate, either by oral
24、 or written examination, or both, theability to perform the tests normally required in the mannerstipulated under ASTM or other governing procedures andshall be capable of evaluating the test results in terms ofspecification compliance.8. Quality System Criteria8.1 The agency shall establish and imp
25、lement a qualitysystem that meets the criteria in subsections 8.2 to 8.14.8.2 Quality System Manual (QSM)The agency shall es-tablish and maintain a QSM that conforms to the requirementsin Section 9. Each document in the QSM shall indicate itspreparation date. If a document is revised, the date of re
26、visionshall be indicated on the document. The QSM shall beavailable for use by laboratory staff.8.3 Quality System ManagementThe agency shall desig-nate a person(s) having responsibility for the quality systemand its implementation. The quality manager ensures thatactivities are being conducted by a
27、gency staff in the mannerspecified in the agencys quality system manual and hasresponsibility for maintaining and revising it. This individu-al(s) shall have direct access to top management (see Note 2).NOTE 2This individual(s) may have other responsibilities (for ex-ample, laboratory manager).8.4 L
28、aboratory Procedure ManualA written laboratoryprocedure manual outlining the method or inspection proce-dure for each test or service performed by the laboratory.NOTE 3Inspection and testing procedures may reference publishedstandards.8.5 EquipmentThe agency shall calibrate or verify allsignificant
29、testing equipment associated with tests covered bythe scope of this standard which the agency performs. As aminimum, the equipment listed in 8.5.2 shall be included if itis associated with tests performed by the agency. Applicableequipment shall be calibrated or verified at the intervalsspecified in
30、 the agencys QSM. The intervals specified in theQSM shall be no greater than those indicated in 8.5.2 (see Note4). Newly acquired equipment without manufacturers certifi-cation and equipment that has not been calibrated or verifiedbecause it has been removed from service shall be calibrated orverifi
31、ed before being placed in service. The agency shall havedetailed written procedures for all in-house calibration andverification activities not addressed in standards. These proce-dures shall indicate the equipment required to perform thecalibration or verification. In addition to standard test meth
32、odrequirements, the conditions listed in 8.5.2 must be met.8.5.1 Calibration and Verification RecordsThe agencyshall maintain calibration and verification records for allequipment specified in the QSM. Such records shall include:8.5.1.1 Description of the equipment calibrated or verified,including m
33、odel and serial number or other acceptable identi-fication (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 verification procedureused,8.5.1.5 The previous calibration or verification date andnext due date,8.5.1
34、.6 Identification of any calibration or verification de-vice used, and8.5.1.7 Specific criteria required for each piece of equip-ment listed in 8.5.2.8.5.2 Masonry Test Equipment:8.5.2.1 Balances and WeightsRecord must include testpoints and corresponding percentage of error. Calibration mustbe perf
35、ormed at intervals not exceeding 12 months.C10930828.5.2.2 Cube Molds and TampersCheck for conformanceto the design and dimensional requirements of Test MethodC 109/C 109M. Verification must be performed at intervals notexceeding 30 months.8.5.2.3 Compression Test MachineMust conform to theapplicabl
36、e requirements of Test Methods C67, C 109/C 109M,or C 140 and have a capacity, loading range, and the appropri-ate heads and bearing plates for the specimens tested. Verifytesting machines in accordance with Practices E4. Recordmust include test points and corresponding percentage of error.Calibrati
37、on must be performed at intervals not exceeding 12months.8.5.2.4 Flexural Bond ApparatusMust conform to theapplicable requirements of Test Method C 1072. Verify theload measuring apparatus in accordance with Practices E4.Record must include test points and corresponding percentageof error. Calibrati
38、on must be performed at intervals notexceeding 12 months.8.5.2.5 Mechanical ShakersCheck the period of mechani-cal agitation for adequacy of sieving as described in TestMethod C 136. Record must include length of time for theproper efficiency of sieving. Verification must be performed atintervals no
39、t exceeding 12 months.8.5.2.6 Mixers (for Specification C 270)Inspect andverify conformance to the requirements of Practice C 305.Verification must be performed at intervals not exceeding 30months.8.5.2.7 Cylindrical MoldsMust comply with the require-ments of Specification C 470/C 470M. Record must
40、includedimensions and results of water-tightness test. Verificationmust be performed at intervals not exceeding 12 months.8.5.2.8 OvensVerify settings with a certified referencethermometer. Record must include test points, reading, andadjustments if necessary. Calibration must be performed atinterva
41、ls not exceeding 4 months.8.5.2.9 SievesVerify the accuracy of each sieve used inthe test for sieve analysis (Test Methods C117and C 136)inaccordance with the procedures prescribed in the Annex ofSpecification E11. Record must include detailed results ofsieve verification. Verification must be perfo
42、rmed at intervalsnot exceeding 6 months.8.5.2.10 ThermometersVerify using a water or oil bathand a NIST-traceable calibrated reference temperature measur-ing device. Record must include test points and readings at testpoints. Calibration must be performed at intervals not exceed-ing 12 months.8.5.2.
43、11 TimersCheck for accuracy. Record must includetest points, readings at test points. Verification must be per-formed at intervals not exceeding 12 months.8.5.2.12 Water RetentionCheck for conformance to theapplicable requirements of Test Method C 1506. Calibrationmust be performed at intervals not
44、exceeding 30 months.8.5.2.13 Air Content MeasureCalibrate following the pro-cedures described in Test Method C 185. Verification must beperformed at intervals not exceeding 30 months.8.5.2.14 Flow TableCheck using the calibration materialdescribed in Specification C 230/C 230M. Verification must bep
45、erformed at intervals not exceeding 30 months, and whentable is moved.8.5.2.15 Cone PenetrometerCheck for the applicable re-quirements of Test Method C 780. Record must include mea-sured dimensions and masses. Verification must be performedat intervals not exceeding 12 months.8.5.2.16 Slump Cone and
46、 Tamping RodCheck for theapplicable requirements of Test Method C 143/C 143M.Record must include measured dimensions. Verification mustbe performed at intervals not exceeding 12 months.8.5.2.17 Pressure MeterCalibrate using the procedurefound in Test Method C 231. Record must include determina-tion
47、of expansion factor; size of the calibration vessel used; andthe reading of the meter at the calibration test point(s).Calibration must be performed at intervals not exceeding 3months.8.5.2.18 Volumetric Air MeterVerify using the procedurefound in Test Method C 173/C 173M. Record must includedimensi
48、ons and volume of meter and calibration cup. Verifi-cation must be performed at intervals not exceeding 12 months.NOTE 4When a maximum calibration or verification interval for aspecific piece of test equipment is specified in a standard, the maximuminterval specified by this practice is intended to
49、be the same as themaximum interval specified by the standard.NOTE 5When standard calibration procedures are used, the standardshall be referenced. When the procedure used has been prepared by theagency, the in-house designation shall be referenced. It shall be indicatedif the work is performed by an outside agency.NOTE 6For calibration records for cube molds and tampers, mixers,water retention apparatus, air content measure, and flow table, documen-tation of equipment inspection by an evaluation authority is acceptable.8.6 Inspection of F
