ASTM C1515-2009 Standard Guide for Cleaning of Exterior Dimension Stone Vertical And Horizontal Surfaces New or Existing《外部规格石料新的或现有的垂直和水平表面清洁的标准指南》.pdf
《ASTM C1515-2009 Standard Guide for Cleaning of Exterior Dimension Stone Vertical And Horizontal Surfaces New or Existing《外部规格石料新的或现有的垂直和水平表面清洁的标准指南》.pdf》由会员分享,可在线阅读,更多相关《ASTM C1515-2009 Standard Guide for Cleaning of Exterior Dimension Stone Vertical And Horizontal Surfaces New or Existing《外部规格石料新的或现有的垂直和水平表面清洁的标准指南》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: C1515 09Standard Guide forCleaning of Exterior Dimension Stone, Vertical AndHorizontal Surfaces, New or Existing1This standard is issued under the fixed designation C1515; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision
2、, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guide describes materials and procedures whichmay be used to clean dimension stone exteriors as wel
3、l as theconditions under which they may be used. It is intended to aidowners, maintenance supervisors and building managers, ar-chitects and engineers, and contractors in cleaning verticalexterior dimension stone on commercial, residential and insti-tutional structures. This guide may also be helpfu
4、l to those whowish to clean stone masonry on bridges, retaining walls, ramps,and plazas, and free-standing stone objects such as statuary,memorials and grave markers.1.2 This guide relates primarily, to routine maintenance ofthe surface finish of exterior dimension stone. The techniquesnoted herein
5、may not be appropriate or cost effective withregard to restoration of disfigured, severely soiled or stainedstonework, or of stonework of particular historic importance.In cases where staining occurs on surfaces which have cultural,civic, historic or architectural significance, consultation with asp
6、ecialist is recommended.1.3 The user of this guide should also obtain and have onfile at both the job site and the office Material Safety DataSheets (MSDS) describing the nature of all chemical productsutilized during the cleaning process.1.4 A file of literature from the manufacturers of all prod-u
7、cts involved within the scope of each project should beavailable for reference.1.5 These procedures are not intended for interior stone-work.1.6 This guide offers an organized collection of informationor a series of options and does not recommend a specific courseof action. This document cannot repl
8、ace education or experi-ence and should be used in conjunction with professionaljudgment. Not all aspects of this guide may be applicable in allcircumstances. This ASTM standard is not intended to repre-sent or replace the standard of care by which the adequacy ofa given professional service must be
9、 judged, nor should thisdocument be applied without consideration of a projects manyunique aspects. The word “Standard” in the title of thisdocument means only that the document has been approvedthrough the ASTM consensus process.1.7 The values stated in either inch-pound units or SI unitsare to be
10、regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.1.8 This standard does not purport to address all of thes
11、afety 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 requirements prior to use.2. Referenced Documents2.1 ASTM Standards:2C119 Terminology Relating to
12、 Dimension StoneC503 Specification for Marble Dimension Stone3. Terminology3.1 Terms used in this guide are defined in TerminologyC119.3.2 Definitions of Terms Specific to This Standard:3.2.1 exterior dimension stonea general term for a stoneinstalled in a location where temperature, moisture and wi
13、nd-carried contaminants are regulated solely or primarily by theforces of nature.1This guide is under the jurisdiction of ASTM Committee C18 on DimensionStone and is the direct responsibility of Subcommittee C18.07 on EnvironmentalProperties, Behavior, and Cleaning.Current edition approved Sept. 15,
14、 2009. Published October 2009. Originallyapproved in 2001. Last previous edition approved in 2001 as C151501. DOI:10.1520/C1515-09.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume informa
15、tion, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.2.2 qualified contractora person, persons or organiza-tions having expertise in stone cleaning, proved by docu-me
16、nted projects demonstrating successful work, consistency inbusiness or consultancy for a period of five or more years.4. Significance and Use4.1 Exterior dimension stone is chosen for use in contem-porary architecture in part because of its aesthetic appeal.Aesthetics can be significantly diminished
17、 when dirt, grime, flyash, algae and other contaminants collect on the surface ofstone.4.2 This guide is intended to assist those who wish topreserve the original appearance of a new structure or to returna stone-clad building to its original color and appearance.4.2.1 Note that cleaning may not be
18、able to return discoloredor faded stone to its original appearance.4.3 This guide may be used as a construction document.5. General Information5.1 Exterior stone is used in honed, textured, or polishedfinishes in many modes in exterior environments. However,trade experience discourages the use of a
19、polished finishmarble or limestone on exterior applications due to suscepti-bility to damage by acids in rain or snow, and by wind-drivendirt particles.5.2 The use of dark colored marbles and limestones forexteriors is discouraged because fading in direct sunlight hasbeen experienced. Discolored or
20、faded stone may not be able tobe returned to its original color by cleaning.5.3 Only marbles with an “A” Soundness Classificationshould be used for exterior installations. An exception istravertine marble (“C” Soundness Classification) which may beinstalled with its natural voids either filled or un
21、filled. SeeSpecification C503 for soundness classification of marbles.5.4 Stone installed in a mortar bed should be allowed to cureproperly. Do not apply surface treatments to stone set horizon-tally in a mortar bed for at least four weeks followinginstallation.5.5 Carefully identify all wet pedestr
22、ian areas with barri-cades, “danger” signs or bright red or orange-colored “danger”pylons.5.6 Always test any cleaning method on a sample area todetermine its effectiveness. Always refer to the manufacturersinstructions.6. Normal Maintenance6.1 In accessible areas, routinely follow maintenance pro-c
23、edures as specified for Polished Stone, Honed Stone orTextured Finish Stone as applicable. The large expanses ofstone traditionally found on exterior multi-story installationsshould be cleaned as often as necessary to remove accumulatedpollutants.6.1.1 A practice as simple as a hosing down with pota
24、blewater on a regular basis will prevent accumulation of dust andacidic deposits left by rain or snow.6.1.2 The cleaning of stone should be done only by qualifiedcontractors who have the craftsmen, equipment, resources, andtechnical expertise to do the work, as well as make any repair,resetting, or
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