AS 1577-1993 Scaffold planks - Australian Scaffolds

1 LICENCEforLicensee:Date: Conditions of use:Click here for full conditions of LicenceWEB LINKSC heck if this document is current Find similar documents StandardsWatch (info and login) Visit our websiteInternational standards on-line at 1577 1993 Australian Standard Scaffold planksLicensed to Mr Scott W Butlin on 20 Apr 2007. 1 user personal user licence only. Storage, distribution or use on network Australian Standard was prepared by Committee BD/36, Scaffolding. It wasapproved on behalf of the Council of St andards Australia on 15 September 1993 andpublished on 20 December following interests are represented on Committee BD/36 Occupational Health and Safety OfficeAluminium Development CouncilAustralian Chamber of Commerce and IndustryDepartment of Employment, Vocational Training and Industrial Relations, QldDepartment of Employment, Industrial Relations and Training, TasmaniaDepartment of Labour, of Occupational Health, Safety and Welfare, Builders AustraliaMetal Trades Industry Association of AustraliaNational Association of Scaffolding and Formwork ContractorsOccupational Health & Safety Authority, WorkCover Authority, Health Authority, of Australian keep abreast of progress i n industry.

2 Australian standards are subjectto periodic review and are kept up t o date by t he issue of amendments or new edit ions as necessary. It i sim portant t herefore t hat standards users ensure t hat they are i n possession of the latest edit ion, and anyamendments detail s of all Australi an standards and related publications wil l be found i n t he standards AustraliaCatalogue of Publications; t his information i s supplemented each month by the magazine The AustralianStandard , which subscribing members receive, and which gives detail s of new publi cati ons, new edit ionsand amendments, and of wi thdrawn ons for i mprovements t o Australian standards , addressed to t he head offi ce of standards Australia,are welcomed. Noti fi cati on of any i naccuracy or ambiguity f ound in an Australi an Standard should be madewi thout delay in order that the matter may be investigated and appropriate action Standard was issued in draft form for comment as DR to Mr Scott W Butlin on 20 Apr 2007.

3 1 user personal user licence only. Storage, distribution or use on network 1577 1993 Australian Standard Scaffold planksFirst published in part as AS 1577 1578 first published 1577 1974 and AS 1578 1974 revised,amalgamated and designated as AS 1577 BY standards AUSTRALIA( standards ASSOCIATION OF AUSTRALIA)1 THE CRESCENT, HOMEBUSH, NSW 2140 ISBN 0 7262 8588 9 Licensed to Mr Scott W Butlin on 20 Apr 2007. 1 user personal user licence only. Storage, distribution or use on network 1577 19932 PREFACEThis Standard was prepared by the standards Australia Committee on Scaffolding tosupersedeandamalgamateAS 1577 1974,SolidtimberscaffoldplanksandAS 1578 1974,Laminated timber Scaffold edition incorporates the following major changes from the old editions:(a)The inclusion of requirements for metal scaff old planks .(b)The inclusion of performance requirements.(c)The Section on laminated timber planks incorporates the following principal changesfrom AS 1578 1974:(i)The provisions are brought into line with AS 1328,Glue-laminated structuraltimber.

4 (ii)Tests are given for the joints.(iii)Introduction of hardwood.(d)The Section on solid timber planks incorporates the following principal changes fromAS 1577 1974:(i)References to F11 and F17 stress grades have been deleted.(ii)Limitations on twist, end splits, bow and spring have been amended.(iii)Deletion of 30 mm minimum thickness terms normative and informative have been used in this Standard to define theapplication of the appendix to which they apply. A normative appendix is an integral partof a Standard, whereas an informative appendix is only for information and guidance. Copyri ghtSTANDARDS AUSTRALI AUsers of standards are r eminded that copyri ght subsists i n all standards Austr alia publi cati ons and softw are. Except where theCopyri ght Act all ows and except where provided f or below no publications or softw are produced by standards Austr alia may bereproduced, stored i n a retr ieval system in any f orm or t ransmi tt ed by any means wi thout prior perm ission in wr it ing f romStandards Australi a.

5 Perm ission may be condit ional on an appropriate r oyalty payment. Requests for permi ssion and i nformati onon commercial softw are royalt ies should be directed t o the head offi ce of standards Austr Austr alia wil l perm it up t o 10 percent of t he t echnical content pages of a Standard t o be copied for useexclusively i n-house by purchasers of the Standard wi thout payment of a r oyalty or advice t o standards Austr Austr alia wil l also perm it t he inclusion of i ts copyright material i n computer soft ware programs f or no r oyaltypayment provided such programs are used exclusively in-house by the creators of t he should be taken to ensure that material used is fr om t he curr ent edit ion of t he Standard and t hat it is updated whenever theStandard i s amended or r evised. The number and date of t he Standard should t herefore be clearly i dentif use of materi al i n print f orm or in computer softw are programs t o be used commercially, wi th or wi thout payment, or incommercial contracts is subject to the payment of a r oyalty.

6 This policy may be vari ed by standards Austr alia at any ti to Mr Scott W Butlin on 20 Apr 2007. 1 user personal user licence only. Storage, distribution or use on network 1577 1993 CONTENTSPageSECTION 1 SCOPE AN D SCOPE .. REFERENCED DOCUMENTS .. E OF ALTERNA TIV E MATERIALS OR METHODS .. DEFINITIONS .. WIDTHOFPLANKS .. MANUFACTURINGTOLERANCES .. WORKINGLOADLIMIT .. PRINCIPLESOFDESIGN .. INFORMATIONFROMSUPPLIER .. MARKING .. 7 SECTION 2 PERFORMANCE REQUI GENERAL .. TESTING .. 8 SECTION 3 SO LID TIMBER PLAN SCOPEOFSECTION .. TIMBERSPECIES .. MOISTURECONTENT .. SURFACEFINISH .. THICKNESSOFPLANK .. GRADING .. COMBINATIONOFIMPERFECTIONS .. ENDTREATMENT .. 11 SECTION 4 VERTICALLY LAMINA TED TIMBER PLAN SCOPEOFSECTION .. SURFACEFINISH .. MATERIALS .. MANUFACTURE .. ADHESIVESANDADHESIVESPREAD.

7 ASSEMBLY .. 14 SECTION 5 METAL SCOPEOFSECTION .. DESIGN .. MATERIALS .. ENDFINISH .. SURFACEFINISH .. CORROSIONPROTECTION .. 16 APPENDICESA STIFFNESSTEST .. 17B STRENGTHTEST .. 19C SLIDINGTEST .. 21D SLIPTEST .. 22E MEANS FO R DEMON STRATING COMPLIANCE WITH THIS STAND ARD .24F TIMBERSPECIES .. 26 Licensed to Mr Scott W Butlin on 20 Apr 2007. 1 user personal user licence only. Storage, distribution or use on network 1993 4 STANDARDSAUSTRALIAA ustralianStandardScaff oldplanksSECTION1 SCOPEThisStandardspecifiesrequirementsfo rthedesign, ( ).NOTE: APPLICATIONT heperformanceofscaffoldplanksshallcomply withSectio n2,andth emanufactu reshallcompl ywithSections3,4and5asfoll ows:(a) Solidtimberscaffol (b) Verticallylaminatedtimberscaffoldplanks ..Section4.(c) REFERENCEDDOCUMENTST hefollowingdocumentsarereferredtointhisS tandard:AS1080 Part1: Moisturecontent1199 Sampl ingproceduresandtabl esforinspectio nbyattributes1250 SAAS teelStructuresCode1328 Glue-laminatedstructuralti mber1397 Steelsheetandstrip Hot-di ppedzinc-coatedoralumini um/zinccoated1399 GuidetoAS1199 Samplingproceduresandtabl esforinspectionbyattributes1444 Wroughtalloysteels Standardandhardenability(H)series1538 Cold-formedSteelStructu resCode1554 SAAS tructuralSteelWeldingCode1576 Part3:Prefabricatedandtube-and-couplersc affoldi Part3:Supplement1.

8 Prefabricatedandtube-and-couplerscaffold ing Metaltu be-and-couplerscaffoldin g Deemedtocomply1594 Hot-rolledsteelflatproducts1604 Timber Preservative-treated Sawnandround1650 Hot-dippedgalvanizedcoatingsonferrousart icles1664 SAAA luminiumStructuresCode1665 Weldi ngofaluminiumstructures1728 Typesofti mbersurfacesCOPYRIGHTL icensed to Mr Scott W Butlin on 20 Apr 2007. 1 user personal user licence only. Storage, distribution or use on network AS1577 1993AS1734 Aluminiumandaluminiumalloys Flatsheet,coi ledsheetandplate1748 Mechanicallystress-gradedtimber1749 Rulesformechanicalstressgradingoftimber1 866 Aluminiumandaluminiumalloys Extrudedrod,bar,sol idandhollowshapes1874 Aluminiumandaluminiumalloys Ingot sandcastings2878 Timbers Classificatio nintostrengthgroups3678 Structuralsteel Hotrolledplates,floorplatesandslabs3679 Part1:Hot-rol ledbarsandsections3900 Qualitysystems Guid Part1:Gui delinesforselectio nanduse3904 Quali tymanagementandquali Part1.

9 Gui delines4100 SteelstructuresO1 GlossaryoftermsusedintimberStandardsSAAH B18 Guide44 USEOFALTERNATIVEMATERIALSORMETHODS Thi sStandarddoesnotprecludetheuseofmetho dsormaterialsoth erthanthosespecified,providedthatsuchnew methodsormaterialscanbeproved,byappropri ateperformancetesting, DEFINITIONSF orth epurposeofthisStandard,thedefinitionsgiv eninASO1,andth Bow acurvatu refromth eplaneofthewidefaceinthedirectio noflength(seeFigure1(a)). Captivepla nk ascaffoldplankwhichisdesignedandin tendedtobecontainedandsupportedbypurpose -designedtransomsinsuchawayastoprecludet hepossibi Cup aconcavewarpin ginthewidthdirectionofth eplank(seeFigu re1(b)). Randomplank ascaffoldplankofanylengthwhichisdesigned andintendedtobesimplysupportedbyputlogsa ndtooverhangit Scaffoldplank adecki ngcomponent,otherthanaprefabricatedplatf orm,whichisusedorintendedtobeusedintheco nst Sliding th emovementofaplankrelativ Slip Spring alongitudinalcurvatureofth eedgeofapl anknotaffectingth eface(seeFigure1(c)).

10 Twist aspi raldistortio nalo ngthelengthofapieceofplank(seeFigure1(d) ).COPYRIGHTL icensed to Mr Scott W Butlin on 20 Apr 2007. 1 user personal user licence only. Storage, distribution or use on network 1993 Uplift th eliftingofoneendofaplankwhenadownwardfor ceisappliedtotheotherendoftheplan Workingloadli mit themaximumallowabl eworki ngloadonthescaffoldplankdurin BOW,CUP,SPRING, anks,theminimumwidthshallbeatamoistureco ntentnotexceeding15percent .Themoisturecontentshallbemeasuredinac cordancewithAS1080 . ToleranceonwidthThetoleranceonthewidthof ascaffoldplankshallbe 0,+ MANUFACTURINGTOLERANCES ,bowandspringshallnotexceed2mmpermetrele ngt t,whenmeasuredonthetopsurfacealo ngtheedgeoftheworkingsurfaces,shallnotex ceed2mmpermetrelengthofplank, WORKINGLOADLIMITW hensupportedatthenominatedmaximumdesigns pan,th eworkingloadlimitinkil onewtonsatthemidpointbetweensupportsshal lbenotlessthan2b/220, PRINCIPLESOFDESIGNT hedesignofascaffol dplankshalltakeintoaccountthefollowing:( a) Therangeofenvi ronmentalconditionsandapplicatio nsinwhichthescaffoldplankislikelytobeuse d.