1、Designation: F3325 18Standard Specification forLeg-Protective Devices for Chainsaw Users1This standard is issued under the fixed designation F3325; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number
2、 in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification specifies minimum requirements forthe design, performance, testing, and certification of protectiveclothing and protective
3、 devices designed to provide cut resis-tance protection to the legs of operators of power chainsaws.21.2 The objective of this specification is to prescribe fit,function, and performance criteria for protective clothing andprotective devices that, when worn by chainsaw operators, areintended to redu
4、ce the severity of leg injuries caused by contactwith a running power saw chain.1.3 This standard is not intended to serve as a detailedmanufacturing or purchasing specification, but can be refer-enced in purchase contracts to ensure that minimum perfor-mance requirements are met.1.4 Controlled labo
5、ratory tests used to determine compli-ance with the performance requirements of this standard shallnot be deemed as establishing performance levels for allsituations to which chainsaw operators may be exposed.1.5 Mandatory requirements are indicated by the use of“shall”; recommendations and advisory
6、 information are indi-cated by use of “should.”1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by th
7、e World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Terminology2.1 Definitions:2.1.1 approve, vto be acceptable to the authority havingjurisdiction.2.1.2 authority having jurisdiction, nthe organization,office, or individual responsible for approving any equipment,installation,
8、or procedure.2.1.2.1 DiscussionThe term authority having jurisdictionis used in this document in a broad manner, since jurisdictionsand the responsibilities of approval agencies vary.2.1.3 certification, na system whereby an organizationdetermines that a manufacturer has demonstrated the ability tom
9、ake a product that complies with the requirements of thespecification, authorizes the manufacturer to use a label onproducts that comply with the requirements of thespecification, and conducts a follow-up to verify the methodsthe manufacturer uses to determine compliance with therequirements of this
10、 specification.2.1.4 certification organization, nan independent, third-party organization that determines product compliance with therequirements of the specification with a labeling and listingfollow-up program.2.1.5 chainsaw, na portable, power-operated tool used forcutting wood that has cutters
11、linked in a chain.2.1.6 chain speed, nthe speed of synchronized movementof linked cutters around a guide bar and sprocket.2.1.7 chain stop, nfor chainsaw cut resistance, the result-ing action when a material clogs (jams) the drive sprocket orslows the speed sufficiently to prevent advancement of the
12、 sawchain.2.1.8 cut resistance, nin chainsaw testing, the ability of amaterial, while in contact with the linked cutters, to resistcut-through by the cutters of a moving saw chain, independentof either jamming or chain stop.2.1.9 cut-through, nfor chainsaw cut resistance, the actionof a running chai
13、nsaw after complete breakthrough of eitherprotective garment or protective device.2.1.10 cut-through time, nfor chainsaw cut resistance, thetime required for a running saw chain to effect completebreakthrough of a protective garment or protective device.2.1.11 follow-up program, nthe sampling, inspe
14、ction,tests, or other measures conducted by the certification organi-zation on a periodic basis to determine the continued compli-ance of products that are being made by the manufacturer to therequirements of the standard specification.2.1.12 jamming, nfor chainsaw cut resistance, the clog-ging acti
15、on manifested by a protective garment that canproduce a chain stop.1This specification is under the jurisdiction of ASTM Committee F23 onPersonal Protective Clothing and Equipment and is the direct responsibility ofSubcommittee F23.20 on Physical.Current edition approved Aug. 15, 2018. Published Sep
16、tember 2018. Originallyapproved in 2018. DOI: 10.1520/F3325-18.2This was developed as a replacement for the archived CAN/BNQ 1923-450.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordan
17、ce with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.12.1.13 label, vfor protective cloth
18、ing, to attach a symbolor other identifying mark, the use of which has been authorizedby a certification organization.2.1.14 list, vfor protective clothing, to publish a register ofequipment or materials that have been verified by a certifica-tion organization as being acceptable and meeting the req
19、uire-ments of standard specifications.2.1.14.1 DiscussionThe means for identifying listedequipment may vary for each organization concerned withproduct evaluation, some of which do not recognize equipmentas listed unless it is also labeled. The authority havingjurisdiction should utilize the system
20、employed by the certifi-cation organization to identify a listed product.2.1.15 protective chaps, nfor chainsaw cut protection,aprotective device normally worn outside the trousers that issecured around the legs and waist.2.1.16 protective clothing, nan item of clothing that isspecifically designed
21、and constructed for the intended purposeof isolating all or part of the body from a potential hazard, orisolating the external environment from contamination by thewearer of the clothing.2.1.16.1 DiscussionFor chainsaw cut-resistant protectiveclothing, the potential hazard is exposure to a running p
22、owersaw chain.2.1.17 protective device, nfor chainsaw cut resistance,anarticle of personal protective equipment that augments otherequipment and is worn for the purpose of providing limitedprotection from injury due to contact with a moving power sawchain.2.1.17.1 DiscussionExamples of protective de
23、vices forleg protection include protective chaps, protective leggings,and protective pants.2.1.18 protective legging, nfor chainsaw cut resistance,aprotective garment with independent legs normally wornoutside the trousers.2.1.19 protective pant, nfor chainsaw cut resistance,atrouser-style protectiv
24、e garment in which the protective mate-rial is permanently attached to the garment.2.1.20 saw chain, nclosed loop of cutters linked togetherfor use in a portable, power-operated tool.2.1.21 threshold stopping speed, nchain speed that resultsin a 5-mm (14-in.) cut in the bottom layer of the protectiv
25、e padliner in a chainsaw leg-protective device.2.1.21.1 DiscussionThis value establishes the relationshipbetween the probability of cutting through the chainsawleg-protective clothing (or foot-protective device) and thespeed of the saw chain. For lower chain speeds, the probabilityof cut-through app
26、roaches zero, while for higher chain speeds,the probability of cut-through approaches one.3. Materials and Manufacture3.1 Protective clothing and protective devices shall beconstructed of materials that are sufficiently flexible to adapt tothe shape of the leg. Protective garments or protective devi
27、cesshould remain functional and effective throughout seasonalclimatic variations.3.2 Protective clothing and protective devices shall beconstructed to be lightweight and flexible enough so as not toseverely restrict movement of the leg.3.3 Protective garments or protective devices shall be con-struc
28、ted of materials that offer protection as stipulated inSection 4 and that do not impede normal maneuverability orcapability to perform the intended task. Protective garments orprotective devices should retain their shape and function whenwet.3.4 The workmanship in the production and assembly of thep
29、rotective clothing or protective device, and any associatedclothing or restraining material, shall be such that the protec-tive pad is permanently attached to the protective clothing.3.5 Protective clothing or protective devices shall be free ofdefects or imperfections that could detract from their
30、functionor performance. All hardware on protective clothing or protec-tive devices should be free of rough spots, burrs, or sharpedges.4. Areas of Protection4.1 The means of maintaining the protective clothing orprotective device in the intended position is considered part ofthe protective clothing.
31、 Protective garments or protectivedevices shall have an adequate means to keep them securelyfastened around the waist and legs.4.2 Protective garments and protective devices shall protecta minimum area as described below:4.2.1 Pants/Trousers Classes:4.2.1.1 Class AThe protective pad shall have a min
32、imumlength of 700 mm (27 in.) and extend from the crotch to a pointno more than 75 mm (3 in.) above the bottom of the pant leg,as well as rear coverage of the leg as shown in Fig. 1. The frontpad covers from side seam to inner seam on the front, and thecalf coverage shall be a minimum of 305 mm (12
33、in.) on therear.NOTE 1Should the inseam length be less than 700 mm (28 in.), thenthe pad may extend above the crotch.FIG. 1 Class A Protective PadF3325 1824.2.1.2 Class BThe front protective pad shall have aminimum length of 700 mm (27 in.) and extend from thecrotch to a point no more than 75 mm (3
34、in.) above the bottomof the pant leg, as shown in Fig. 2.NOTE 2Should the inseam length be less than 700 mm (28 in.), thenthe pad may extend above the crotch.4.2.1.3 Class CThe protective pad shall cover at least3.142 rad (180) across the frontal arc of each leg, plus anadditional 0.524 rad (30) or
35、100 mm (4 in.) on the left side ofboth legs. The top of the extended coverage area, adjacent tothe crotch, may be trimmed to an angle not to exceed 0.785 rad(45) downward in the back of the left leg, and at an angle notto exceed 1.134 rad (65) in the back of the right leg. Theprotective pad shall ov
36、erlap the boot top by at least 50 mm(2 in.) as worn on the user. See Fig. 3.NOTE 3Should the inseam length be less than 700 mm (27 in.), thenthe pad may extend above the crotch.4.2.1.4 Class DThe protective pad shall cover, at aminimum, the areas specified in Fig. 4. The protective pad shallcover at
37、 least 3.142 rad (180) across the frontal arc of eachleg, plus an additional 0.524 rad (30) or 100 mm (4 in.) on theleft side of both legs. The top of the extended coverage area,adjacent to the crotch, may be trimmed to an angle not toexceed 0.785 rad (45) downward in the back of the left leg,and at
38、 an angle not to exceed 1.134 rad (65) in the back of theright leg. The protective pad shall overlap the boot top by atleast 50 mm (2 in.) as worn on the user. The pad coverage shallalso extend to cover the calf area of the pant beyond the extra101 mm (4 in.) to the left of each leg and shall also c
39、over aminimum 304 mm (12 in.) vertically in the calf area of the rearpant as per Fig. 4.NOTE 4Should the inseam length be less than 700 mm (27 in.), thenthe pad may extend above the crotch.4.3 Chaps and Leggings:4.3.1 Chaps and leggings shall be at least 685 mm (27 in.) inlength and be of a Class A,
40、 B, C, or D pad type. The minimumprotective pad dimensions and locations shall comply with Fig.5, Fig. 6, Fig. 7,orFig. 8.4.3.2 Chaps and leggings shall be provided with perma-nently attached means to fasten them around the waist and legsas shown in Figs. 9 and 10.5. Inspection and Performance Testi
41、ng5.1 Inspection:5.1.1 Sampling levels for testing and inspection shall beestablished by the certification organization and the manufac-turer to ensure to a reasonable and acceptable confidence levelthat products certified to standard are compliant.5.1.2 Inspection for determining compliance with an
42、y de-sign requirements specified in this standard shall be performedon a completed garment.5.1.3 Testing for determining material and component com-pliance with the requirements specified in this standard shall beperformed on samples that are no better than components usedin the actual construction
43、of the protective clothing. TheFIG. 2 Class B Protective PadFIG. 3 Class C Protective PadFIG. 4 Class D Protective PadF3325 183certification organization shall also be permitted to use samplematerials cut from representative protective clothing as definedby this standard.5.2 Performance Testing:5.2.
44、1 Performance RequirementThe threshold stoppingspeed of the test specimens shall not be less than 15 m s(3000 fpm), or the cut-through time shall not be less than 1.5 sat both 45 and 90.6. Certification6.1 General:6.1.1 Protective clothing or protective devices that arelabeled as complying with this
45、 standard shall meet or exceedall applicable requirements specified in this standard and shallbe certified.6.1.2 All certifications shall be performed by an approvedcertification organization.6.1.3 Compliance protective clothing or protective devicesshall be labeled and listed. Such protective garme
46、nts orprotective devices shall also have a label and identification thatmeet the requirements specified in Section 8.6.2 Certification Program:6.2.1 The certification organization shall not be owned orcontrolled by manufacturers or vendors of the product beingcertified. The certification organizatio
47、n shall be primarilyengaged in certification work and shall not have a monetaryinterest in the products ultimate profitability.6.2.1.1 The certification organization should have sufficientbreadth of interest and activity so that the loss or award of aspecific business contract would not be a determi
48、ning factor inthe financial well-being of the organization.6.2.2 The certification organization shall refuse to certifyproducts to this specification that do not comply with allapplicable requirements of this specification.6.2.3 The contractual provisions between the certificationorganization and th
49、e manufacturer shall specify that certifica-tion is contingent upon compliance with all applicable require-ments of this specification. There shall be no conditional,temporary, or partial certifications. Manufacturers shall not beauthorized to use any label or reference to the certificationorganization on products that are not manufactured in compli-ance with all applicable requirements of this specification.6.2.3.1 The contractual provisions covering certificationprograms should contain clauses advising the manufacturerthat if requireme
