1、Designation: F1099M 98 (Reapproved 2011) An American National StandardStandard Specification forRat Guards, Ships (Metric)1This standard is issued under the fixed designation F1099M; 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 specification covers the materials, dimensions, andassembly of steel and aluminum rat guards.1.2 Rat
3、guards are intended to prevent rats from boardingships by way of mooring lines.1.3 The values stated in SI units are to be regarded as thestandard.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 sta
4、ndard to establish appro-priate safety, health and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision o
5、n Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A525M Specification for General Requirements for SteelSheet, Zinc-Coated (Galvanized) b
6、y the Hot-Dip Process(Withdrawn 1994)3B209M Specification for Aluminum and Aluminum-AlloySheet and Plate (Metric)3. Classification3.1 Rat guards shall be classified into three types as follows:3.1.1 Type IMultiple-line (doubling up), self-adjustable,accommodating the mooring line combinations listed
7、 in Table1.3.1.2 Type IISingle-line, self-adjustable, accommodatinga single 5-mm wire to a 76-mm-diameter mooring line.3.1.3 Type IIIConical shape with tapered, slotted sleeve.Type III rat guards shall be of the following sizes: (a)75mm,(b) 125 mm, and (c) 200 mm.3.2 Types I and II rat guards (see 3
8、.1.1 and 3.1.2) aredesigned to be installed from the deck or pier without a personphysically coming in contact with the mooring lines or hawser,by lowering and positioning the guards away from the shipshull with two ropes that are permanently attached as guide andtie ropes (see Fig. 1).3.3 Type III
9、rat guards (see 3.1.3) require a person to contactthe mooring line to pull the two halves of the conical guardaround the mooring line, wrap the slotted sleeves (see Fig. 2)to the line, and physically close any opening between themooring line and the circular opening at the center of theguard.4. Orde
10、ring Information4.1 Orders for rat guards under this specification shallinclude the following information:4.1.1 ASTM designation.4.1.2 Type required (see 3.1):4.1.2.1 If Type III, material required (see 5.1.3).4.1.2.2 If Type III, size required (see 3.1.3).4.1.3 Quantity required.4.1.4 Optional requ
11、irements, if any (see SupplementaryRequirements S1 through S3).5. Materials and Manufacture5.1 Materials:5.1.1 Type I rat guards shall be made of aluminum-alloysheet metal conforming to the requirements of SpecificationB209M, 6061-T6, or 5052-H32.5.1.2 Type II rat guards shall be made of galvanized
12、sheetsteel conforming to the requirements of Specification A525M,Coating Designation 450. The coating shall be a minimum of450 g/m2in accordance with the triple-spot test of Specifica-tion A525M.1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is
13、the direct responsibility of Subcommittee F25.07 onGeneral Requirements.Current edition approved May 1, 2011. Published May 2011. Originallyapproved in 1987. Last previous edition approved in 2005 as F1099M 98 (2005).DOI: 10.1520/F1099M-98R11.2For referenced ASTM standards, visit the ASTM website, w
14、ww.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International, 100
15、Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Rec
16、ommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.15.1.3 Type III rat guards shall be made of either of thematerials specified in 5.1.1 and 5.1.2 (see 4.1.2.1).5.2 Manufacture:5.2.1 Types I and II rat guards shall be provided with thefollowing:5.2.1.1 Hi
17、nge BoltAnM71hexagon head bolt 20 mmlong with elastic stop nut and washer. All parts shall becorrosion-resistant steel.5.2.1.2 Guide and Tie RopePolyester or nylon of goodcommercial quality, 6- or 9-mm diameter by 6 m long.5.2.1.3 GrommetGood commercial quality brass and ofsize suitable for the guid
18、e and tie ropes.5.2.2 Type III Rat GuardsType III rat guards shall consistof two half disks and two half tapered sleeves. Both halvesshall be identical except one half shall be provided with a “U”shaped sleeve.5.2.2.1 The hinge bolt provided with each rat guard shallconsist of a commercialM71hexagon
19、 head bolt, 20-mm-long nut, and washer. All parts shall be corrosion-resistantsteel.5.2.2.2 The galvanized steel or aluminum sleeve shall beslotted as specified in Table 2 and Fig. 2, so that when the ratguard is in place, it may be drawn tightly against the hawser,with lashing. The formed sleeves s
20、hall be tapered to permitnesting of the rat guards, for compact shipping.5.2.2.3 When the rat guard is made of galvanized steel, thesleeve shall be riveted and soldered to the disk with tinnerstype rivets, No. 3, 4-mm diameter for each half sleeve. Thenumber of rivets shall be the same as the number
21、 of prongs.Soldering of the half sleeve flange to the half disk shall becontinuous, inside and outside (see Fig. 2).5.2.2.4 When the rat guard is made of aluminum alloysheets, the sleeve shall be spot welded and riveted to the disk.Spacing of spot welds shall not exceed 50 mm with a minimumof four s
22、pot welds provided on each half of the rat guard. Therivets shall be equivalent to No. 3, 4-mm diameter. Five rivetsshall be installed in each half of the guard. Rivets shall belocated equidistant, between adjacent spot welds (see Fig. 2).6. Dimensions and Permissible Variations6.1 Dimensions of Typ
23、e I rat guards 66 mm shall be asfollows:TABLE 1 Mooring Line Combinations for Type I Rat GuardsMooring Lines Diameter, mm Number of Lines5 wire as required2533 line 3 or more4150 line 35082 line 2FIG. 1 Types I and II Rat Guard ConfigurationF1099M 98 (2011)26.1.1 Overall height shall be 1000 mm.6.1.
24、2 Overall thickness shall be 40 mm maximum.6.2 Dimensions of Type II rat guards 66 mm shall be asfollows:6.2.1 Overall length shall be 1000 mm.6.2.2 Overall thickness shall be 40 mm maximum.6.3 Dimensions of Type III rat guards shall be as specifiedin Table 2 and Fig. 2.7. Workmanship, Finish, and A
25、ppearance7.1 Workmanship shall be of the highest quality throughoutand in conformance with the accepted commercial standardpractice for this type of equipment.7.2 Guards shall be free of exposed burrs, raw or sharpedges, or other imperfections that may be injurious to person-nel or lines.8. Product
26、Marking8.1 Each rat guard shall be stenciled with black paint orstamped with the ASTM standard designation and size inletters and numbers approximately 25 mm high.8.2 The manufacturer may stamp his brand name or logo.9. Packaging and Package Marking9.1 Unless otherwise specified in the contract or p
27、urchaseorder (see 4.1.4), packaging shall conform to manufacturersnormal commercial practice, and in such a manner that willensure acceptance by common carrier and afford protectionagainst physical and mechanical damage during shipment.Shipping containers shall conform to carrier regulations asappli
28、cable to the mode of transportation.10. Keywords10.1 mooring lines; ratguards; shipsSUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall apply only when specified by the purchaser in thecontract or order (see 4.1.4).S1. Referenced DocumentsS1.1 The following documents are applica
29、ble only when therequirements of S3 are specified in the contract or purchaseorder (see 4.1.4).S1.1.1 Military Standards:MIL-STD-129 Standard for Marking for Shipment andStorage4MIL-C-52950 Specification for Crates, Wood, Open, andCovered4S1.1.2 Federal Standards:PPP-B-601 Specification for Boxes, W
30、ood, Cleated-Plywood5PPP-B-621 Specification for Boxes,Wood, Nailed and LockCorner5PPP-T-97 Specification for Tape, Packaging/Individual,Filament Reinforced54Available from DLA Document Services, Building 4/D, 700 Robbins Ave.,Philadelphia, PA 19111-5094, http:/quicksearch.dla.mil.5Available from U.
31、S. Government Printing Office, Superintendent ofDocuments, 732 N. Capitol St., NW, Washington, DC 20401-0001, http:/www.access.gpo.gov.FIG. 2 Assembly of Type III Rat GuardsTABLE 2 Dimensions for Type III Rat GuardsSizeDimensions (seeFig. 2), mmNumber ofProngs inCompleteSleeve(See5.2.2.2)Thickness o
32、f Disk, Sleeve,and Guide, mmABSteel, GalvanizedSheetAluminumAlloy Sheet75 75 1000 6 1.4 1.6125 125 1300 10 1.4 1.6200 200 1300 16 1.4 1.6F1099M 98 (2011)3S1.1.3 Offcial Classification Committee Standard:Uniform Freight Classification Ratings, Rules, and Regula-tions6S1.1.4 National Motor Freight Tra
33、ffc Association Stan-dard:National Motor Freight Classification7S2. Quality Assurance ProvisionsS2.1 Sampling:S2.1.1 Rat guards of the same type and size offered fordelivery at one time shall be considered a lot.S2.1.2 A random sample of rat guards shall be selected inaccordance with Table S1.1 for
34、the examination specified inS2.2 and the trial assembly specified in S2.3.S2.1.2.1 Any rat guard in the sample containing one or moredefects shall not be offered for delivery, and if the number ofdefective rat guards in any sample exceeds the acceptancenumber specified in Table S1.1, it shall be cau
35、se for rejectionof the lot.S2.1.2.2 Table S1.1 shall be applied separately to major andminor defects (see Table S2.1) for purpose of lot acceptanceand rejection.S2.2 ExaminationRat guards selected in accordance withS2.1.2 shall be examined as specified in Table S2.1 andmeasured to verify conformance
36、 to the requirements of thisspecification.S2.3 Trial AssemblyRat guards selected in accordancewith S2.1.2 shall be assembled in the specified dimensionalsize to verify conformance with the functional requirements ofthis specification.S2.4 Inspection of PackagingSample packages andpacks, and the insp
37、ection of the preservation-packaging,packing, and product marking for shipment and storage shallbe in accordance with the requirements of Sections 8, 9, andS3, and the documents specified therein.S3. Packaging and Package MarkingS3.1 Preservation (Type III only)Preservation shall beLevel A or C, as
38、specified (see 4.1.4).S3.1.1 Level A:S3.1.1.1 Preservatives shall not be used.S3.1.1.2 Eight complete rat guards shall be nested togetherby disassembling each guard and securing the two halvestogether at the funnel with filament reinforced pressure sensi-tive tape conforming to PPP-T-97. The hinge b
39、olt, nut, andwasher for each guard shall be secured to one half of the guardto prevent loss or damage.S3.1.2 Level CRat guards, assembled or disassembled atthe contractors option, shall be unit packed to afford protec-tion against damage during shipment from the supply source tothe first using activ
40、ity for immediate use. The contractorsretail or wholesale preservation methods may be used whensuch meets the requirements of this level.S3.2 PackingPacking shall be Level A, B, or C, asspecified (see 4.1.4).S3.2.1 Level AEight rat guards (for Type III, eight disas-sembled rat guards) unit packed as
41、 specified in S3.1 shall bepacked in wood cleated plywood, nailed wood, or open woodcrates conforming to PPP-B-601 overseas type, PPP-B-621class 2, or MIL-C-52950 boxes or crates respectively. Selectionof the box or crate shall be at the option of the contractor.Protection shall be provided by means
42、 of blocking, bracing, orcushioning, or other media to prevent damage during handling,shipment, and storage.S3.2.2 Level BEight rat guards (for Type III, eight disas-sembled rat guards) unit packed as specified in S3.1 shall bepacked as specified in Level A, except that containers shallconform to th
43、e domestic class or grade of the type used.S3.2.3 Level CPacking shall be accomplished in a mannerthat will ensure acceptance by common carrier at the lowestrate and will afford protection against physical or mechanicaldamage during direct shipment from the supply source to theusing activity for ear
44、ly installation. The shipping containers ormethod of packing shall conform to the Uniform FreightClassification Rules, National Motor Freight Classification, orother carrier regulations, as applicable to the mode of trans-portation.S3.3 Product MarkingIn addition to any special markingrequired (see
45、4.1.4), unit packs and shipping containers shall bemarked in accordance with MIL-STD-129. Unit packs in opencrates shall be marked with waterproofed tags.6Available from Uniform Classification Committee Agent, Tariff PublicationOfficer, Room 1106, 222 S. Riverside Plaza, Chicago, IL 60606.7Available
46、 from National Motor Freight Traffic Association, Inc. (NMFTA),1001 N. Fairfax St., Suite 600, Alexandria, VA 22314, http:/www.nmfta.org.TABLE S1.1 Sampling for Examination and Trial AssemblyNumber of RatGuards in LotNumber of RatGuards inSampleAcceptanceNumber(Defective)RejectionNumber(Defective)25
47、 and under 5 0 126 to 40 7 0 141 to 65 10 0 166 to 110 15 0 1111 to 300 25 1 2301 to 800 35 1 2TABLE S2.1 Classification of Defects (Applicable to All Types ofRat Guards, Unless Otherwise Specified)Categories DefectsCritical: None definedMajor:101 At trial assembly (see S2.3) guard does not fit prop
48、erly overspecified hawser sizes.102 Guard does not maintain a secure and correct position whenlashed to the hawser (see Fig. 2).103 Thickness of material not as specified (see Section 6).104 Sleeves not tapered to allow for nesting closely for shipment,Type III only (see 5.2.2.2).105 Sleeve or guide
49、 not properly assembled as specified in 5.2.1and Fig. 1 or 5.2.2 and Fig. 2 as applicable.106 Rat guard is warped.107 Galvanizing is less than 450 g/m2for Types II and III rat guards(see 5.1.2 and 5.1.3).Minor:201 Dimensions do not conform to 6.1, 6.2, and 6.3.202 Bolt, nut, and washer not as specified in 5.2.1.1 and 5.2.2.1.203 Outside edges sharp or inside of rat guard rough.204 Galvanizing not uniform.F1099M 98 (2011)4S3.3.1 When specified (see 4.1.4), manufacturers shall as-sign a part number containing a five digit numerical manufac-turers
