1、Designation: D7186 12D7186 14Standard Practice forQuality Assurance Observation of Roof Construction andRepair1This standard is issued under the fixed designation D7186; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of l
2、ast 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 practice covers procedures for performing visual monitoring of roofing construction to:1.1.1 Establish guidelines
3、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 theseobservations. This practice is applicable to
4、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 roofingprojects involving repairs or scheduled maintenance to an existing roof.1.3 Th
5、is 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 require
6、d 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 analysisof existing roofs.1.5 This practice does not address practices of roof i
7、nvestigation, 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 orunder contract to the roofing contractor. The quality control process is separate and distinct from the qu
8、ality assurance observationprocess.1.7 Assessment of safe work practices or safety monitoring procedures followed by the contractor is outside the scope of thispractice.1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
9、of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D1079 Terminology Relating to Roofing and WaterproofingE631 Terminology of Building Constructions2.2 Othe
10、r Documents:The Contract DocumentsSpecification Literature or Roof System Installation Requirements, supplied by the applicable manufacturer, supplier, ordistributor of the roof system materialARMA/NRCA/SPRI Repair Manual for Low-Slope Membrane Roof Systems3,4,51 This practice is under the jurisdict
11、ion of ASTM Committee D08 on Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.20 on RoofingMembrane Systems.Current edition approved Oct. 15, 2012Nov. 1, 2014. Published November 2012November 2014. Originally approved in 2005. Last previous edition approved in 20052012a
12、s D7186 05.D7186 12. DOI: 10.1520/D7186-12.10.1520/D7186-14.2 For referencedASTM standards, 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.3
13、 Available from Asphalt Roofing Manufacturers Association (ARMA), Public Information Department, 1156 15th St., NW, Suite 900, Washington, DC 20005.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the p
14、revious 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 by ASTM is to be considered the official document.Copyright ASTM
15、 International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ARMA/NRCA Quality Control Guidelines for the Application of Built-Up Roofing3,4ARMA/NRCA Quality Control Guidelines for the Application of Polymer Modified Bitumen Roofing3 ,4NRCA/SPRI Quality Control
16、 Guidelines for the Application of Thermoset Single-Ply Roof Membranes4,5NRCA/SPFA Quality Control Guidelines for the Application of Sprayed Polyurethane Foam Roofing4,6NRCA Roofing Manual Current Edition4RCI Manual of Practice Roof, Exterior Wall, and Waterproofing Consulting, and Quality Assurance
17、 Observation, CurrentEdition7ARMA/NRCA Quality Control Guidelines for the Application of Asphalt Shingle Roof SystemsSlate Roofs, Design, and InstallationGeneral Installation Guidelines for Natural Quarried Roofing Slate (National SlateAssociation) Current Edition8National Slate Associations Slate R
18、oofs Design and Installation Manual, Current Edition9TRI/WSRCA Concrete and Clay Tile Design Criteria for Cold and Snow Regions, Current Edition10TRI/WSRCA Concrete and Clay Tile Design Criteria for Moderate Climate Regions, Current Edition10FRSA/TRI Concrete and Clay Tile Installation Manual, Curre
19、nt Edition103. Terminology3.1 DefinitionsFor definitions of building terms, see Terminology E631. For definitions of roofing and bituminous materialsterms, see Terminology D1079.3.2 Definitions of Terms Specific to This Standard:3.2.1 competent person, na person knowledgeable in common roofing insta
20、llation practices, the roof system and materialsspecified for the project, and the quality assurance observation process.3.2.2 contract documents, nagreement between owner and contractor, conditions of the contract (general, supplementary, andother conditions), drawings, specifications, addenda, mod
21、ifications, change order, construction change directives, and writtenorders for minor changes in the work.3.2.3 quality assurance observation, nthe process of recording and reporting the installation of materials and work proceduresof the installer or contractor in a roofing project for the purpose
22、of documenting compliance or non-compliance with the contractdocuments on a daily basis.3.2.4 roof designer, nperson or entity responsible for the selection of the roof system and materials, and developing the projectspecifications and construction detail drawings.4. Significance and Use4.1 Quality
23、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 andexecuted in accordance with accepted roofing practices and
24、 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 responsibi
25、lities of those performing quality assurance observation and includesqualifications of the quality assurance observer, as well as procedures for observation and documentation during the roofconstruction or repair process.4.4 If used, nothing in this practice shall be interpreted as precluding the us
26、e of all or parts of it while conducting full-time orpart-time quality assurance observer (QAO) inspection.5. The Role of the Quality Assurance Observer (QAO)5.1 The presence of, or opinions expressed by, the QAO do not relieve the contractor or the manufacturer or other responsibleparty of their co
27、ntractual requirements. The information provided by the QAO is for the benefit of the owner (or other client), andno warranty of roof performance, expressed or implied, is offered, neither should it be inferred based on the quality assuranceobservations.5.2 The QAOs function is to provide on-site ob
28、servation, and reporting of the roof construction process in a clear, accurate,and objective manner, using procedures indicated in this practice.4 Available from National Roofing Contractors Association (NRCA), 10255 W. Higgins Rd., Suite 600, Rosemont, IL 600185607.5 Available from Single Ply Roofi
29、ng Institute (SPRI), 77 Rumford Ave., Suite 3B, Waltham, MA 02453.6 Available from Spray Polyurethane Foam Alliance (SPFA), 4400 Fair Lakes Ct., Suite 105, Fairfax, VA 22033.7 Available from RCI, Inc., 1500 Sunday Dr., Suite 204, Raleigh, NC 27607, http:/www.rci-online.org.8 Available from Slate Roo
30、fing Contractors Association of North America, Inc. (SRCA), 143 Forest Lane, Grove City, PA 16127, http:/www.slateroofers.org.9 Available from National Slate Association (NSA), Association, P. O. Box 172, Poultney, VT 05764, http:/www.slateassociation.org.http:/slateassociation.org.10 Available from
31、 Tile Roofing Institute (TRI), 23607 Highway 99, Suite 2C, Edmonds, WA 98026, http:/tileroofing.org.D7186 1425.3 The QAO shall observe and record:5.3.1 The general conditions of the job site, roof areas under construction, and materials used in the construction process andtheir storage;5.3.2 Preexis
32、ting property damages, or property or material damages that occur during the roof construction process;5.3.3 The condition of the substrate, and substrate preparation, repair, or replacement procedures;5.3.4 The installation and attachment of any base sheets, including the type of fastener or adhesi
33、ve used, the fastening patternand spacing;5.3.5 The installation and attachment of any vapor retarders or air barriers, including the type of fastener or adhesive used, thefastening pattern and spacing;5.3.6 The installation and attachment of the insulation layer(s), recover or coverboard materials,
34、 including the type of fasteneror adhesive used, the fastening pattern and spacing;5.3.7 The installation and attachment of the roof covering or repair materials which comprise the finished roof system, includingthe type of fastener or adhesive used, the fastening pattern and spacing, as well as spe
35、cific material quantities, temperatures, andmeasurements appropriate to the type of roof system under construction;5.3.8 The installation and detailing of the roof system flashings at perimeter and roof penetration locations;5.3.9 The installation and detailing of the sheet metal roofing accessories
36、 such as, but not limited to counterflashings, copingcaps, joint covers, and edge and fascia metals;5.3.10 The installation of roof surfacings or coatings;5.3.11 The installation of temporary weather seals at the end of the workday or prior to inclement weather;5.3.12 The installation of any other r
37、oof components specified in the project specifications;5.3.13 The weather conditions that occur during the roof assembly installation;5.3.14 The crew size and foreman, and type of work being performed on a given day; and5.3.15 All visitors to the roof and their length of stay.6. Qualifications of th
38、e Quality Assurance Observer6.1 Significance of Qualifications:6.1.1 It is necessary that the person(s) performing quality observation of the construction process understand the projectspecifications and the specified roof system. Knowledge of industry-accepted good roofing practices is critical to
39、the success ofthe quality assurance observation process, which knowledge may be attained by achieving the ends described in 6.2.6.1.2 Arecord of experience and training shall be maintained by the QAO and submitted to the project file.An optional, sampleform is located in Attachment A;6.1.3 A thoroug
40、h understanding of the contract documents, specifically the project specifications, construction detail drawings,pre-bid and pre-construction conference minutes, and any addenda to the roofing specifications is required; and6.1.4 A thorough understanding of the type of roof system specified includin
41、g knowledge of the manufacturers requirementsis required.6.2 Technical Qualifications of the QAO can be achieved by either 6.2.1 or 6.2.2:6.2.1 Completion of specialized training or certification in QualityAssurance observation. The training or certification programshall be specific to roofing quali
42、ty assurance observation and shall be administered by an industry-recognized organization.6.2.2 Completion of a roof system application program provided by the roof system manufacturer specified.6.2.3 In lieu of the requirements in 6.2.1 and 6.2.2 by either:6.2.3.1 Completion of a minimum of 400 h o
43、f experience performing quality assurance observation of roofing construction, or400 h of experience in technical services with roof system manufacturers and a minimum of 2000 h of trade experience in roofconstruction.6.2.3.2 Completion of a minimum of 400 h of experience in the generic type of roof
44、 system specified either performing qualityassurance observation or roof construction, or technical services for roof system manufacturers. For this purpose, the generic rooftype categories are defined as: Built-Up Roofing, Polymer-Modified Bitumen, Thermoplastic Single-Ply, Thermoset Single-Ply,Spr
45、ayed Polyurethane Foam Based Roofing, Structural Low-Slope Metal Roofing, Steep Slope Roofing, including, but not limitedto, asphalt shingles, slate, tile, or metal.7. Required Project Documents7.1 A copy of the following project documents shall be maintained on-site by the QAO and updated as necess
46、ary:7.1.1 The contract documents, including scope of work, specifications, roof plan, construction detail drawings, addenda, andmodifications;7.1.2 The pre-bid and pre-construction conference minutes and project meeting minutes;7.1.3 Stamped material submittals;7.1.4 The contractors original constru
47、ction schedule and any revisions;7.1.5 Appropriate manufacturers literature containing roof system or material application requirements;7.1.6 Construction Change Directives, Change Orders, and any field orders;D7186 1437.1.7 Written and photographic documentation prepared by the QAO;7.1.8 Other pert
48、inent project correspondence; and7.1.9 An emergency contact list for all pertinent project personnel.8. Observation and Recording Procedures8.1 Documentation shall include both a written and photographic record for historical file purposes and shall be made availableto all parties involved in the ro
49、ofing project. Project documentation may begin at the pre-construction conference or earlier andshall be continuous for the duration of the roofing project. Written documentation shall be clear, concise, and present an accurate,objective account of the roof construction project. Reports shall accurately describe the sequence of events, installation methods,workmanship by the contractor, and problems encountered and corrective actions taken.8.2 Pre-construction Damage ReportingThorough examination of building surfaces, equipment, and other property items isne
