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    Users GuideZeds & Cees PurlinsPurlins & girts structural sections

    Used in commerci nd domestic ppictions

    Economic, itweit terntive to timberpurins & irts

    Quic nd es to inst usin stndrd met

    fasteners

    Zeds cn be pped, eimintin te time-

    consumin process of cuttin to ent

    Consistent stritness simpifies inment

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    2

    Contents

    General data 4

    LYSAGHT Zeds & Cees 6

    LYSAGHT Fascia purlins 8

    HOOK-LOKII bridging system 9

    LYSAGHT Series 300 and 350 bridging system 12

    Purlin & girt accessories 13

    Typical assemblies 14

    Holes and cleats 17

    Design notes for capacity tables 19

    Limit state capacity tables 22

    Single spans 22

    Double continuous spans 28

    Double lapped spans 32

    Three continuous spans 40

    Three lapped spans 43

    Four continuous spans 53

    Four lapped spans 54

    Cantilever spans 62

    Limit state capacity tables & product information

    UsingLYSAGHTZeds & Cees for purlins & girts

    Warranty

    BueScope Lst s number of compreensive product

    wrrnties tt cover not on te corrosion performnce of te

    mteri but so te structur nd servicebiit performnce of

    wide rne of products. BueScope Lst cn bc teir products

    wit over 150 ers experience nd credibiit. Te lySaghT brnd

    is wide reconised s settin te bencmr on quit products,

    nd is trusted nd respected b our customers nd competitors

    ntionwide.

    Tis trdition of wrrnt protection is now vibe on te new

    range of lySaghTpurin proes. Tis wrrnt compiments te

    wrrnties vibe for te lySaghT roof nd w cddin proes

    tt re common xed to te purins.

    appiction for purin wrrnt must be oded on our lySaghT

    Zed& Cee Request For Wrrnt form, vibe b contctin

    te nerest BueScope Lst Service Centre. Te wrrnt is

    vibe subject to ppiction nd project size.

    Furter to tis wrrnt offer, Industri gvnisers (in conjunction

    wit BueScope Lst) ve deveoped te PermPurlin forppictions of reter ife requirements, more exposed situtions

    or ier corrosive environments. Industri gvnisers use te

    BueScope Lst rne of purins to mnufcture te Perm

    Purin rne of purins.

    appiction for wrrnt must be oded trou Industri

    gvnisers on teir Request for Perm Purin Cotin

    Performnce Wrrnt form, vibe b contctin te nerest

    Industri gvnisers Service Centre. Te wrrnt is vibe

    subject to ppiction nd te period of wrrnt is subject to te

    buidin ppiction nd exposure.

    Disclaimer and limitation of liability

    Tis pubiction is intended to be n id for fbrictors, detiers

    nd profession enineers nd is not substitute for profession

    judment.

    Except to te extent to wic ibiit m not wfu be excuded

    or imited, BueScope Stee limited, trdin s BueScope Lst,

    wi not be under or incur n ibiit to ou for n direct or

    indirect oss or dme (incudin, witout imittion, consequenti

    oss or dme, suc s oss of prot or nticipted prot, oss

    of dt, oss of use, dme to oodwi nd oss due to de)

    owever cused (incudin, witout imittion, brec of contrct,

    neience nd/or brec of sttute), wic ou m suffer or incurin connection wit tis pubiction or te icensed softwre.

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    3

    Background

    Pursuin te commitment of BueScope Lstto constantimprovement, tis edition of lySaghT Zeds nd Cees Users guiderefects te move to imit stte desin principes.

    Since 1987, in conjunction wit te Universit of Sdne, we veintensive reserced te beviour of purin nd irt sstemsusin te vcuum test ri t te Universit, wic is te on oneof its tpe in austri nd te rest in te word. In our NaTa-reistered bortor we ve tested fu-sce purin nd irtsstems on sine, doube nd pped continuous confiurtions forbot inwrd nd outwrd odin.

    It s been possibe to in sound understndin of teirbeviour. Tis nowede ows us to remin t te forefront oftecnoo, in austri nd overses.

    Since te st edition of tis mnu, te resuts of tis reserc sbeen used in te deveopment of aS/NZS 4600: 1996 Cod-formedstee structures. New softwre s been deveoped for te desinof lySaghT Zed nd Cee purins.

    Tis mnu incorportes te woe rne of lySaghT purins ndirts in muc wider rne of spnnin nd bridin confiurtionstn before. Tere s so been rtionistion of cotin mss.

    Te dt is intended for specifiers, enineers, buiders nd erectorsfor te specifiction, detiin nd erection of lySaghT purin

    nd irt sstems. Incuded re detis of mteri specifictions,dimensions, pcin, store, oes, nd bridin oction; toeterwit imit stte cpcit tbes.

    Product coding

    a prefix etter for te section spe,nd number indictin te sectiondept in miimetres desintesprofies. For exmpe Z250, or C250;or, were reference is mde to botsections of iven size, Z/C250.

    NOTE: Not purins re vibe in Sttes.

    Lysaght products detailed in this manual

    Product UseCode

    prefix

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    4

    lySaghT Zed nd Cee sections re ccurte ro-formed from i-

    strent zinc-coted stee to provide n efficient, itweit, economic

    roofin nd cddin support sstem for frmed structures.

    Te sstem, wic incudes hOOk-lOk II bridin, Series 300 nd 350

    bridin, nd compreensive rne of ccessories, is suppied red for

    erection.

    Applications

    lySaghT Zed sections m be used over sine spns, pped continuous

    nd unpped continuous spns in muti-b buidins. lpped continuous

    spns resut in considerbe cpcit increse in te sstem.

    lySaghT Cee sections m be used in sine spns nd unpped

    continuous spns in muti-b buidins. Cee sections re ide s

    eve purins or were compct sections re required for detiin. Cee

    sections cnnot be pped.

    Range of products & services

    Our wide rne incudes:

    a fu rne of lySaghT Zeds nd Cees;

    a fu rne of lySaghT Zeds nd Cees wit downturned-ip;

    Section sizes from 100mm to 350mm;

    Tecnic informtion for cetess connections (see Desin notes for

    cpcit tbes);

    hOOk-lOk II bridin sstems;

    Botin sstems to suit project needs;

    Te Buescope Lst corrosion wrrnt;

    advice on improvin te ife expectnc of purin sstems in corrosive

    environments;

    access to ntion networ of experienced enineers.

    Performance

    In ccordnce wit te provisions of aS/aNZ 4600:1996 Cod-formed stee

    structures, od cpcities ve been ccuted for lySaghTsections

    usin pproved lySaghT bridin sstems, botin nd oter ccessories.

    Sections cosen usin te dt provided in te tbes wi perform s

    specified wen te desin, fbriction nd erection re crried out in

    ccordnce wit Buescope Lst recommendtions nd ccepted

    buidin prctice.

    Non-standard sections

    We cn supp wide rne of non-stndrd sizes (up to 350mm) nd

    spes, incudin Cees nd Zeds wit downturned ipte Zeds cn so

    be mde to p. Non-stndrd sections re not stoced in ever reion.

    Corrosion warranty

    lySaghTpurins nd irts re mnufctured from galVaSPaNstee.

    Subject to desin, oction nd intended use, te re covered b te

    BueScope Lstcorrosion wrrnt.

    Corrosion protection & material compatibility

    Some buidin mteris nd environment conditions cn be detriment

    foegna

    lanimoN

    noitces

    )mm(ezis

    TMB

    )mm(

    001 9.1,5.1,2.1,0.1

    051 4.2,9.1,5.1,2.1002 4.2,9.1,5.1

    052 4.2,9.1

    003 0.3,4.2

    053 0.3

    General data for Zed and Cee Sections

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    5

    to coted stee products. Tese incude contct wit or exposure to run-

    off from:

    industri, ricutur, mrine or oter ressive tmosperic

    conditions;

    incomptibe mets, ie ed or copper;

    buidin mteris subject to cces of drness nd wetness, or wic

    ve excessive moisture content suc s improper sesoned timber.

    mteris wic ve been treted wit preservtives, ie CCa or

    tnit-treted timber.

    a zinc cotin of Z350 (350 /m2minimum cotin mss) is te stndrd

    cotin css provided wit lySaghT Zed nd Cee sections. Tis wi

    provide on nd troube-free ife. for encosed buidins nd open-

    sided rur buidins, in non-ressive environment.

    a non-ressive environment is 1000m from rou surf, 750m from

    industri emission nd fossi fue combustion, nd 300m from cm

    st wters. Considertion must be iven to te nture of ctivities

    performed witin te buidin.

    For more severe corrosive environments Z450 (450 /m2minimum

    cotin mss) wi be required. Tis evier cotin mss wi be vibe

    in speci circumstnces nd is subject to minimum order quntit nd

    extended ed times.Direct contct of incomptibe mteris wit te cotin must be

    voided.

    In suc ppictions, nd in ver corrosive environments, suitbe pint

    sstems cn be obtined from pint mnufcturers: ou cn see dvice

    from our Informtion line.

    In ppictions were prticur ttention is required for corrosion, or

    te buidup of substnces ie dust or rin, ten considertion soud

    be iven to te spe of te sections (eiter Zed, or Cee, or Zed wit

    downturned ip); orienttion of te sections; nd cotin css. Furter

    informtion is vibe from our nerest Buescope lst Service

    Centre.

    Available lengths

    lySaghTpurins re vibe custom-cut in n trnsportbe ent,owever tere re some imittions.

    For minimum ents, nd ents over 12000mm, contct our nerest

    BueScope Lstoffice.

    For norm deiveries nomin ents soud not exceed 12000mm.

    lents reter tn 12000mm require speci trnsporttion nd

    Further information is available from www.lysaght.com, our

    Steel Direct Information Service on1800 641 417or the localBluescope Lysaght Service Centre.

    Bolt specification

    onitacificepstloB

    91032PF,052,002,051,001)8.8edarg(htgnertshgihro)6.4edarg(dradnats

    053,003)8.8edarg(htgnertshgihro)6.4edarg(dradnats

    Nominal section size (mm)

    Tighten all bolts to 55 Nm torque.

    on-site ndin fciities. lw restricts te ours of trnsporttion nd

    permits m be required in some sttes. lents reter tn 19500mm

    require speci trnsporttion permit.

    Te mximum ent of te Fsci Purin FP23019 is 15000mm.

    lent toernce for sections is 5mm.

    Packing

    lySaghT Zed nd Cee sections re deivered in strpped bundes. Te

    ctu quntit in ec bunde wi vr wit section size, order nd

    ent. Te bunde mss is ener pproximte one tonne.

    BueScope Lstccessories re deivered in strpped or wiredbundes, bs, or pces s pproprite.

    Storage on-site

    If not required for immedite use, sections soud be net stced off

    te round nd on sit sope so tt wter cn drin w. Sections

    nd ccessories soud not be eft exposed in te open for extended

    periods.

    Ordering

    To me orderin of te fu purin nd irt sstem esier, ever

    BueScope LstSes Office s order pds vibe on request.

    Material specificationslySaghT Zed nd Cee sections re ro-formed from galVaSPaN

    stee compin wit aS13971993. In te rdes sown, te number

    prefixed wit g indictes minimum ied stress in MP; nd te number

    prefixed wit Z indictes minimum cotin mss in /m2.

    1.0 mm BMT: g550, Z350*

    1.2 mm BMT: g500, Z350*

    1.5, 1.9, 2.4 nd 3.0 mm BMT: g450, Z350*

    * a BMTs in Townsvie ve Z450 cotin.

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    6

    LYSAGHTZed sections

    lySaghT Zed sections feture one brod nd one nrrow fne, sized

    so tt two sections of te sme size fit toeter snu, min tem

    suitbe for ppin.

    Continuous ents of purin resut in better econom, but ppin

    provides two ticnesses of met over interior supports. lppin

    increses te strent of te sections were bendin moments nd

    ser re t mximum, tus improvin te od cpcit nd riidit of

    te sstem.

    lySaghT Zed sections of te sme dept nd different ticnesses cn

    be pped in n combintion.

    lySaghT Zed sections m so be used over simpe spns. For sorter

    spns te m be used continuous over two or more spns witout

    pstus producin reduced defection compred wit simpe spns

    but it does not ive te strent of fu pped sstem.

    lySaghT Zed sections wit one ip turned outwrd (ced downturnedip purins) m be used in simpe or continuous spns wit te ends

    butted.

    Tpic ssembies re sown ter in tis mnu.

    LYSAGHT Cee sections

    lySaghT Cee sections ve equ fnes nd re suitbe for simp

    supported spns. For sorter spns te m be used continuous

    over two or more spns wit te ends butted, tus producin reduced

    defection compred wit simpe spns. Te cnnot be pped.

    Tpic ssembies re sown ter in tis mnu.

    seeC&sdeZfosnoisnemiDsdeZ seeC

    eugolataCrebmun

    tmm

    Dmm

    repssaMhtgneltinu

    m/gk

    Emm

    Fmm

    Lmm

    Bmm

    Lmm

    01001C/Z 0.1 201 87.1 35 94 5.21 15 5.21

    21001C/Z 2.1 201 01.2 35 94 5.21 15 5.21

    51001C/Z 5.1 201 26.2 35 94 5.31 15 5.31

    91001C/Z 9.1 201 92.3 35 94 5.41 15 5.41

    21051C/Z 2.1 251 98.2 56 16 5.51 46 5.41

    51051C/Z 5.1 251 95.3 56 16 5.61 46 5.51

    91051C/Z 9.1 251 15.4 56 16 5.71 46 5.61

    42051C/Z 4.2 251 07.5 66 06 5.91 46 5.81

    51002C/Z 5.1 302 94.4 97 47 0.51 67 5.51

    91002C/Z 9.1 302 47.5 97 47 5.81 67 0.91

    42002C/Z 4.2 302 42.7 97 37 5.12 67 0.12

    91052C/Z 9.1 452 05.6 97 47 0.81 67 5.81

    42052C/Z 4.2 452 61.8 97 37 0.12 67 5.02

    42003C/Z 4.2 003 90.01 001 39 0.72 69 5.72

    03003C/Z 0.3 003 67.21 001 39 0.13 69 5.13

    03053C/Z 0.3 053 32.51 921 121 0.03 521 0.03

    F

    y y'

    L

    t

    R5

    x

    x' D

    D/2

    L

    E

    y' y

    x

    x'

    Shearcentre Centre of

    gravity

    R5

    y

    x

    xo

    B

    x

    _x

    t

    D

    D/2

    L

    x and y axes coincide withx' and y' axes respectively

    L

    '

    '

    '

    '

    Zed section

    Cee section

    Zed and Cee Sections - Dimensions and properties

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    7

    sdeZthgasyLfoseitreporpnoitceSseitreporpnoitceslluF nmuloC

    seitreporpnoitcesevitceffE

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    A

    mm 2xI

    01 6 mm 4yI

    01 6 mm 4yZ

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    mm

    )(

    'xI

    01 6 mm 4'yI

    01 6 mm 4'y'xI

    01 6 mm 4'xZ

    01 3 mm 3'yZ

    01 3 mm 3'xr

    mm

    'yr

    mm

    J

    mm 4wI

    01 6 mm 6e'xZ

    01 3 mm 3eA

    mm 2

    01001Z 612 154.0 7340.0 55.1 2.41 6.72 463.0 131.0 861.0 00.7 65.2 1.14 7.42 9.17 512 33.5 311

    21001Z 852 635.0 6150.0 48.1 2.41 5.72 234.0 551.0 891.0 23.8 20.3 0.14 5.42 421 352 37.6 351

    51001Z 323 866.0 2560.0 23.2 2.41 8.72 735.0 791.0 942.0 3.01 48.3 8.04 7.42 242 123 28.8 712

    91001Z 904 048.0 9280.0 49.2 2.41 1.82 376.0 052.0 413.0 0.31 29.4 6.04 7.42 294 904 4.21 923

    21051Z 453 74.1 511.0 41.3 1.81 8.12 82.1 303.0 964.0 7.61 87.4 3.06 3.92 071 0611 9.11 961

    51051Z 344 48.1 541.0 69.3 1.81 0.22 06.1 383.0 885.0 8.02 60.6 1.06 4.92 233 0641 2.71 842

    91051Z 165 23.2 481.0 20.5 1.81 1.22 10.2 784.0 447.0 1.62 37.7 9.95 5.92 576 0681 4.22 743

    42051Z 217 29.2 832.0 83.6 3.81 5.22 35.2 236.0 059.0 6.23 0.01 6.95 8.92 0731 0142 4.13 535

    51002Z 555 98.3 552.0 35.5 4.12 5.81 35.3 126.0 90.1 3.43 50.8 7.97 4.33 614 0624 8.32 842

    91002Z 317 20.5 243.0 54.7 9.12 1.91 25.4 348.0 54.1 9.34 0.11 6.97 4.43 858 0385 4.63 873

    42002Z 709 63.6 344.0 46.9 1.22 4.91 07.5 01.1 68.1 3.55 4.41 3.97 8.43 0471 0367 4.84 645

    91052Z 808 80.8 183.0 28.7 7.12 0.41 26.7 338.0 18.1 3.95 8.01 1.79 1.23 279 0849 7.54 973

    42052Z 0301 2.01 394.0 2.01 9.12 3.41 46.9 80.1 33.2 9.47 2.41 9.69 5.23 0791 00421 0.66 745

    42003Z 0621 3.81 10.1 8.61 3.82 0.61 0.71 23.2 75.4 211 8.32 611 8.24 0342 00663 9.98 826

    03003Z 0061 1.32 23.1 9.12 7.82 3.61 3.12 40.3 88.5 041 4.13 611 6.34 0974 00284 521 809

    03053Z 0191 2.93 94.2 8.23 1.63 8.71 8.53 39.5 7.01 202 2.74 731 7.55 0375 000421 951 049

    .elbigilgensirorredecudortniehT.htdiwegnalfnaemfosisabehtnodetupmocneebevahseitreporP.orezsanekat,sitaht,dedragersidebnacsnoitaivedtnatsnocyrtemmysonomdnaertnecraehsehT

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    xI01 6 mm 4

    yI01 6 mm 4

    xZ01 3 mm 3

    yZ01 3 mm 3

    xrmm

    yrmm

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    Jmm 4

    wI01 6 mm 6

    ymm

    exZ01 3 mm 3

    eAmm 2

    01001C 612 463.0 5570.0 31.7 91.2 1.14 7.81 1.61 9.93 9.17 061 321 73.5 311

    21001C 852 234.0 2980.0 84.8 95.2 0.14 6.81 0.61 7.93 421 881 321 47.6 351

    51001C 323 735.0 211.0 5.01 92.3 8.04 7.81 1.61 1.04 242 142 221 37.8 712

    91001C 904 376.0 241.0 2.31 12.4 6.04 7.81 2.61 4.04 294 113 221 3.21 923

    21051C 453 92.1 881.0 0.71 71.4 4.06 1.32 3.81 5.64 071 248 171 8.11 561

    51051C 344 16.1 732.0 1.12 92.5 2.06 1.32 4.81 9.64 233 0701 171 1.71 442

    91051C 165 20.2 003.0 6.62 47.6 0.06 1.32 5.81 1.74 576 0731 071 8.12 043

    42051C 217 45.2 683.0 5.33 97.8 8.95 3.32 9.81 0.84 0731 0181 961 9.03 725

    51002C 555 35.3 693.0 7.43 71.7 7.97 7.62 9.91 6.15 614 0603 322 1.42 152

    91002C 317 15.4 135.0 4.44 77.9 6.97 3.72 8.02 6.35 858 0424 122 6.63 183

    42002C 409 96.5 186.0 0.65 7.21 3.97 4.72 1.12 4.45 0471 0455 912 5.74 145

    91052C 808 26.7 165.0 0.06 68.9 1.79 4.62 1.81 5.84 279 0686 672 2.64 183

    42052C 0201 26.9 127.0 7.57 8.21 9.69 5.62 4.81 3.94 0791 0298 472 9.46 345

    42003C 0621 0.71 15.1 311 7.12 611 6.43 0.52 0.66 0342 00862 023 1.19 236

    03003C 0061 3.12 69.1 241 5.82 611 0.53 8.52 9.76 0974 00753 613 421 798

    03053C 0191 8.53 28.3 502 3.24 731 7.44 2.33 3.68 0375 00009 873 951 049

    at yield stress

    Section properties

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    8

    Te lySaghT Fsci Purin FP23019 is suitbe for buidins wit bier

    port frme spcins requirin on-ent, one-piece fsci purins.

    a number of fetures mke lySaghT Fsci Purins ttrctive nd

    economic s combined eve purin nd fsci:

    It cn be suppied witout spice ptes.

    Te futed web strentens te section nd provides fus externfce wit stndrd lySaghT purin bots recessed in te futes. Tere

    re no speci fsci bots.

    Te top fne cn be roed t nes from 84 to 120 for roof

    pitces from 6 to 30.

    Te bottom fne is sped to provide simpe fixin for w seetin.

    Rerdin fsci purins, BueScope Lst reserves te rit to:

    () mnufcture nd procure goods wit suc minor modictions

    from its drwins nd specictions s it sees t; nd

    (b) ter specictions sown in its promotion iterture to reect

    cnes mde fter te dte of suc pubiction

    Notes to load capacities table

    1. lod cpcities ve been ccuted on te bsis of te top fnebein t 90 to web.

    2. lod cpcities for one- nd two-bridin cses ssume roof seetinttced to top fne.

    3. lod cpcities for fu brided cse ssume roof seetin ttcedto top fne nd w seetin ttced to bottom ip.

    4. For detiin, note tt mountin fce is 12 mm beind front fce.

    5. Stndrd lySaghT M12, rde 4.6, purin bots to be used.

    6. Te tbes ssume te use of lySaghT bridin sstem ndlySaghT bots.

    Catalogue Area Massnumber mm2 kg/m

    FP23019 807.5 6.43

    egnalFelgna

    )(

    aerafotnemomdnoceS01 6 mm 4

    noisroTtnatsnoc

    mm 4

    gnipraWtnatsnoc

    01 9 mm 6

    yrtemmysonoMtnatsnoc

    mm

    raehSertnec

    mm

    foertneCytivarg

    mm

    seerged

    I'x

    I'y

    Ix

    Iy

    J Iw

    bx

    by

    xo

    yo

    _x

    _y

    91032PF

    48 004.6 495.0 464.6 955.0 7.179 436.3 2.721- 4.532 32.54- 83.85 28.12 38.21 4.4-

    09 316.6 706.0 656.6 365.0 7.179 085.3 4.911- 2.252 16.54- 25.55 69.12 51.41 8.4-

    021 828.7 105.0 878.7 254.0 7.179 080.3 7.16- 1.153 23.14- 35.23 34.02 94.02 7.4-

    LYSAGHTfascia purlin FP23019

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    Te lySaghT hOOk-lOk II bridin sstem is te most dptbe nd

    fexibe bridin sstem vibe, to secure brce bot Zed nd Cee

    purins nd irts of depts 100, 150, 200 nd 250mm. It is so fst nd

    es to inst nd cn ccommodte most construction confiurtions.

    Te sstem consists of soid bridin ssembies between purins nd

    irts, nd djustbe bridin ssembies t octions suc s eves,

    ride nd irt foot.

    Purins nd irts disp two tpes of ter instbiit: ter

    defection nd twist (rottion or ro). It is necessr to contro tese

    instbiities b providin suitbe brcin s cose s possibe to te

    fnes of te section.

    Brcin cn be continuous (suc s riid cddin suitb fstened

    to te fne), or point brcin t te midspn reion (or t point of

    mximum bendin), or sever points t te midspn reion.

    In prctice, BueScope Lstcddins wit screw fsteners re suitbe ter brcin wen ttced to te fne. however, s wit

    tin-wed cddins, te twistin resistnce is difficut to quntif.

    Consequent, point brcin is sti required to resist twist of te

    section nd ter defection of te free fne. Point brcin is so

    required to stbiise nd striten te purins nd irts prior to fixin

    of te cddin in order to fciitte te fixin opertions.

    Point brcin tpes re ties nd bridin. Ties cn be oded in

    tension on. Bridins re soid members secured to te webs of

    HOOK-LOK ll bridging system

    te purins nd irts. Te cn be oded in tension, compression nd

    bendin.

    For tis reson, continuous run of bridin is te most effective

    stbiiser for bot w nd roof, nd is te most wide ccepted.

    Fascia bridging system

    In certin confiurtions of w desin, te ods imposed on te fsci

    sstem b te irt ner m be re. Tis demnds n increse inte fsci sstem cpcit to prevent excessive twistin.

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    Components

    Te bsic prts of ec hOOk-lOk II bridin ssemb re te octors

    nd cmps. Te firm oc ec purin or irt in position wen simp

    octed nd ooed into te bridin oes from opposite sides of te

    web.

    loctors nd cmps ve oo centres to mtc te oes punced in

    te webs of lySaghT purins nd irts. Te oe puncin in te purins

    nd irts mtc te oes for cet supports of te purin nd irts.

    hOOk-lOk II components re not sod individu, on s prt of bridin ssemb.

    Te exmpes sow ssembies wit te ends of equ size, owever

    te sstem wors we for ssembies wit unequ ends.

    Bridging assembly

    Bridin ssembies re suppied in ents to suit te nominted purin

    or irt spcin. Tere re some imittions on minimum ents.

    Wit te fexibiit of component combintions it is possibe to me

    mn bridin ssembies. Te hOOk-lOkoverview sows bridin

    confiurtions.

    Typical bridging assemblies include:

    Stndrd bridin ssemb

    Ride bridin ssemb

    girt foot/ner bridin ssemb

    Fsci bridin ssemb

    adjustbe bridin ssemb

    Expnsion joint

    Product codes

    hOOk-lOk II bridin ssemb ctoue numbers indicte purin size

    (nomin dept). loctors, cmps nd oter ccessories re mtced to

    te purin size.

    How to specify

    Wen specifin hOOk-lOk II bridin ssembies:

    1. Specif te hOOk-lOk II prefix h2.

    2. Specif eft nd end component ws tree crcters (e.. C20)3. Specif te tpe of bridin cnne ws one crcter (e.. P)

    4. Specif rit nd end component tree crcters (e.. l20)

    Puttin tese toeter, ou woud et: h2 C2O P l20.

    Example 1

    an djustbe bridin, wit cmp to suit C15015 purin t one end

    nd boted brcet to suit C20024 purin t te oter end woud be:

    h2 C15 T B20.

    (Tis ssumes tt te order ws not for use in Victori were te

    product code woud be h2 C1V T B20 see note to Product codestbe.)

    Example 2

    Fsci bridin, to spn between C20024 used s fsci purin nd

    C20015 purin, woud be: h2 F20 D l20.

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    Purlin bridging

    hOOk-lOk II bridin into Zed or Cee purins m be insted in

    numerous ws. Te norm procedure is to commence from te eve or

    ride.

    a tpic insttion procedure is:

    Step 1:Inst te fsci bridin ssemb b insertin te octor endinto te oes of te first purin, nd botin te fsci brcetto te fsci purin.

    Step 2: Inst te stndrd bridin ssembies worin towrds, ndfinisin t, te ride purin. Stndrd ssembies re insted

    b fittin te cmp end over te previous-insted octor end

    nd swinin te bridin round unti te octor end enes

    in te oes of te next purin.

    Step 3: Were ppicbe, repet Steps 1 nd 2 for te opposite side ofte roof. If ppernce is considertion, te bridin runs on

    bot sides of te roof soud be swun into position from te

    sme end of te roof.

    Step 4: Inst te ride bridin ssemb b fittin te cmp ends

    over te previous insted octor ends nd ten titenin

    te bots of te ride ssemb.

    Wen ride bridin ssemb is not used, te octor(s) of

    te stndrd bridin is secured into position wit two bots.

    Step 5: Were turnbuces re used in bridin ssemb, first in

    te purins. ain te fsci purin usin te, djustment bots of

    te fsci bridin ssemb.

    Girt bridging

    Te recommended procedure is to commence t foor eve nd wor

    towrds te eves. a tpic insttion procedure is:

    Step 1: Inst te irt foot ssemb b enin te octor into teoes of te bottom irt. Due to te ods trnsferred to te

    bridin from te irts, te irt foot ssemb must be ncored

    to te sb.

    Step 2: adjust te irt foot ssemb to eve off te bottom irt. Were

    te sb is not et poured, temporr support is required to

    eep te bottom irt eve.

    Step 3: Inst stndrd bridin ssembies s described in Step 2 forpurin bridin, worin towrds te eves.

    Step 4: at te top irt, te octor is secured into position wit two

    bots.

    If ppernce is considertion ensure te irt nd purin

    bridin re insted fcin te sme direction.

    Were irt ner is used it is insted b fittin te cmp

    end over te st insted octor end nd swinin te bridinround, ten botin te turnbuce to te fsci bridin.

    In projects where no girt foot assembly is used, particular care

    in design and construction is required.

    We recommended te foowin precutions durin construction:

    1. Te roof seetin soud be insted before te turnbuce of te irt

    ner is used to eve te irts, wic woud impose ods on te

    fsci sstem; nd

    2. Provide temporr irt support under te bottom irt unti te

    insttion of te w cddin is compete for tt section.

    HOOK-LOK ll bridging installation

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    For te rer sections, 300 nd 350 series (lySaghT Bi Zeds nd Bi

    Cees), more substnti bridin sstem is required, due to rer

    spns nd reter ods.

    Te bridin components re bier nd ve ddition ip stiffenin.

    Te components consist of C15015 cnne nd bridin ends

    ssembed wit lySaghT i strent M12 x 30mm purin bots.

    a components re vnised for on ife nd cn be ssembed usinte recommended bots or b wedin.

    Wen orderin, te over bridin ent soud be specified, i.e.

    purin or irt spcin, ess 3mm. Ctoue numbers for te bridin re:

    BZ300 or BZ350.

    Wit rerd to w eits nd irt spns, pese contct lst Stee

    Direct for uidnce.

    Typical

    Series 300/350 bridging

    Bridging end

    23

    E

    8050

    AB

    snoisnemiddnegnigdirB

    fohtpeD

    nilrup )mm(

    gueolataC

    .oN

    )mm(snoisnemiD

    A B E

    003 BE003 062 06 012

    053 BE053 013 06 062

    003 ylnoairotciV VBE003 062 07 012

    053 ylnoairotciV VBE053 013 07 062

    LYSAGHTSeries 300 & 350bridging system

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    Mnufctured from zinc-coted stee, ccessories re n inter prt of

    lySaghT purin nd irt sstems.

    General purpose bracketRacking girt

    .oN.taC A B C D E F

    BPG001 31 35 66 03 48 511

    BPG051 5.22 5.28 501 03 79 521

    BPG002 22 231 451 63 901 631

    BPG052 02 081 002 63 901 631

    Purlin bolts

    M12 size

    PB1230 lySaghTstndrd purin bot (rde 4.6): M12 x 30mm wit

    nut.

    PB1230hS lySaghTi-strent purin bot (rde 8.8): M12 x 30mm

    wit nut.

    PBS1230 lySaghTsoudered purin bot (rde 4.6) wit 16mm

    souder: M12 x 30mm wit nut.

    M16 size

    PB1645 lySaghTstndrd purin bot (rde 4.6): M16 x 45mm wit

    nut.

    PB1645hS lySaghTi-strent purin bot (rde 8.8): M16 x 45mm

    wit nut.

    Fascia bolt

    FB1230 lySaghTfsci bot (rde 4.6): M12 x 30mm wit pin ex.

    nut & two pin wsers.

    Angle connectors

    Racking girt bracket

    Cat. No. CB100RBThe racking Girtbracket is used toattach the ends ofthe C10015 RackingGirts to the fascia.

    Cleats

    Purlin and girt accessories

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    Raking girt assembly

    Sown is one metod of fittin rin irts usin bots nd cmp ptes.

    Te rin irt brcet is used to ttc te end of C10015 rin irt

    to te fsci purin.

    aterntive te rin irt cn be insted open fce down.

    Te cmp ptes re deeted nd te irt ttced wit bots fitted

    trou oes prepunced in te web of te purin.

    General purpose bracketTe ener purpose brcet is ide for min joints of pproximte

    90 nd is usu used for joinin sections of te sme web dept.

    Tpic ppictions incude it oded eds to openins, trimmers

    nd fscis t be ends.

    Using purlin & girt accessories

    Angle connector

    Te ane Connector cn be used in vriet of different ws. Te

    oes ow connection between sections of te sme size or one size

    smer. Fiure () sows te ne connector nd cmp pte s

    foot mountin for it oded vertic members suc s jmbs forpersonne ccess doors or windows. It cn so be used s coumn

    bse in it oded or intern ppictions. Fiure (b) sows cosed

    end on irt. Tis obvites te need for mitred irts t corners wie

    sti providin stisfctor ttcment point for te cddin nd

    corner tretment. Fiure (c) sows simpe mitred 90 joint. Fiure (d)

    sows te ne connector nd cmp pte used s n ttcment for

    trimmers or non-od-berin eds to openins.

    Typical assemblies

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    Typical assemblies - Zeds

    Typical assembly using LYSAGHT Zed sections and

    HOOK-LOK IIbridging.

    Were f brcin is used in conjunction wit pped Zed sections

    it is importnt tt te bot requirements for ppin re not

    compromised.

    Zed purlins

    Zed girts

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    Typical assembly using LYSAGHTCee sections and

    HOOK-LOK IIbridging.

    Cee purlins

    Cee girts

    Typical assemblies - Zeds

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    lySaghT Zed nd Cee sections re norm suppied wit oes

    punced to te austrin Institute of Stee Construction (aISC) ue

    ines, except, in Victori were te 150 series sections re punced to

    te Structur Stee Fbrictors assocition, Victori, recommended

    ue ines.

    Hole details and gauge lines for LYSAGHT Zed and Ceesections

    Te oes re required t cet supports t ends of ps nd t bridin

    points.

    For te webs of 300 nd 350 sections (Bi Zeds nd Bi Cees), centreine

    oes re so vibe on request, nd m be combined wit cet

    oes to provide 3-bot fstenin to te cets.

    For te 100, 150, 200 nd 250 deep sections te oes re eonted

    wit dimensions of 18mm x 22mm suitbe for M12 bots. For te 300

    nd 350 deep sections te oes re 22mm dimeter suitbe for M16bots. Sections re so vibe unpunced if required.

    For speci projects te size of te oe, te number of oes, nd te

    ue ines m be modified b neotition. Tese projects wi be

    subject to minimum order quntities nd extended ed times.

    Wit rerd to w eits nd irt spns, pese contct lst Stee

    Direct for uidnce.

    Standard holes for Cee sections

    Standard holes for Zed sections

    Bridging holes fandcleat holes

    noitceslanimoN)mm(ezis )mm(G D

    H

    001 04 81

    ylnoairotciV-051 07 81

    setatsrehtO-051 06 81

    002 011 81

    052 061 81

    003 012 22

    053 062 22

    Centreline holes for 300 and 350sections only

    Holes & Cleats

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    Fastening to cleats

    NOTETo minimise te tendenc of Zeds nd Cees torotte wen used s purins, it is necessrto ve te top fne pointin up te sope.

    Purin orienttion m be considertion incertin projects.

    Location of bridging holes

    Hole details of cleats

    )mm(snoisnemidlanimontaelC

    noitces.moN)mm(ezis X B Y

    t)ssenkciht( paG DH

    001 04 04 501 8 01 81

    ylnociV051 07 05 541 8 01 81

    setatsrehtO051 06 55 541 8 01 81

    002 011 55 591 8 01 81

    052 061 55 542 8 01 81003 012 56 503 21 02 22

    053 062 56 553 21 02 22

    deriuqererastaelcregnol,spildenrutnwodhtiwsnoitcesdeZgnisunehW.stroppusniamehtmorfecnaraelcevigot

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    Wen determinin desin, considertion soud be iven to od

    combintions for bot strent nd for servicebiit.

    Design philosophy

    Te imit stte cpcit tbes ve been compied usin finite eement

    fexur torsion bucin nsis for modein te woe purin sstem.

    Te mode considers bot in-pne distribution of xi force, ser force

    nd bendin moments, s we s out of pne bucin modes.Te finite eement fexur torsion bucin nsis ssumes tt:

    purins bend bout te xis wic is perpendicur to te web;

    tere is continuit t te ps;

    tere is minor xis trnstion nd twistin restrint t te bridin

    points;

    tere is ter stbiit in te pne of te roof t intern supports nd

    te ends of cntievers; nd

    bot screw-fstened nd conceed-fixed cddins provide restrint.

    a desin ccutions for bot strent nd servicebiit re in

    ccordnce wit aS/NZS 4600:1996 Cod formed stee structures.

    DeflectionTere re no specific rues overnin cceptbe defections, tou

    structur codes ive uidnce. you need to consider te specific

    requirements of n structure. It m be necessr to desin for defection

    under more tn one od combintion. See so assumptions used in

    tbes.

    Axial loads

    Were section is not oded to its fu cpcit in bendin, it s

    reserve of strent to crr some xi od. Tis reserve in purins nd

    irts cn be used to trnsmit forces due to wind odin on end ws, or to

    resist forces due to brcin of w nd roof structures.

    Were required, te combined bendin nd xi od cpcit soud be

    ccuted usin aS/NZS 4600:1996 Cod-formed stee structures. advice isvibe from our informtion ine.

    Point loads

    Te vues in tis pubiction ssume uniform distributed odin.

    however, in mn ppictions (ie te mountin of services nd

    mintennce equipment) te ods ppied to structure re point ods.

    Tus, to use tese tbes for point odins, te ods must be converted to

    equivent distributed ods.

    Te tbe on te foowin pe ives conversion formue for ods on

    simpe spns nd pped spns. Te ve been derived from common

    pubised moment nd ser dt, nd ive conservtive conversions.

    For simpe spns te formue re strit forwrd. For non-continuous

    pped spns te formue depend on te number of spns, te position ofte spn nd te ppin rtio; tus te worst-cse confiurtion s been

    used, nd te vues m be sfe used for end spns, interior spns nd

    n ppin rtio reter tn 10%.

    Formue for ods on continuous unpped confiurtions, nd for

    defections in confiurtions, re not iven but m be derived simir.

    Smbos used in tbe for conversion of point ods

    P = sine point od (N)

    l = spn (m)

    = rer distnce from support (m)

    b = smer distnce from support (m)w = equivent uniform od (N/m)

    N = number of point ods over one spn (for 6 or more ods)

    Design notes for capacity tables

    Design optimisation

    Te cpcit tbes provide economic desin soutions for most projects.

    Desins cn be optimised b vrin:

    Mteri specifictions

    Bot specifictions nd number

    Non-stndrd purin profie

    Reduced or enred end spns

    Spn rne

    Cntievers t one or bot ends

    lp ent

    Bridin quntit

    lod distribution

    Bridging

    Te cpcit tbes ive soutions for n equ number of rows of bridin

    in ec spn. Provision is mde for 0, 1, 2 or 3 rows of bridin.

    Wit rerd to w eits nd irt spns, pese contct lst Stee

    Direct for uidnce.

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    confiurtions. Connections wit doube section ticness occur t te

    intern support of pped confiurtions.

    Ec connection uses two bots.

    Cleatless connections

    Fixin of purins trou te bottom fne of te purin (cetess

    connection) is used in some forms of construction. Te purin cpcit

    tbes soud not be used for tese tpes of connections. For tese

    tpes of connections tere re oter desin issues (bot strent nd

    servicebiit) nd construction issues tt need to be considered.

    BroadFlange

    NarrowFlange

    Cladding fastenedto this flange

    Rafteror steel

    frameBolt in web at

    end of lap Bolt in flangeat end of lap

    Lap varies accordingto span and section size

    Narrow Flange

    BroadFlangeRafter

    or steelframe

    Four BoltCleat

    Butt Joint

    In prctice it m be necessr to use t est one row of bridin in ec

    spn. We suest tt unbrided ents be imited to 20 times te section

    dept.

    Cleat connections

    Te cpcit tbes re bsed on te sections bein fstened trou te

    web to cets (cet connection) so tt te od pt is vi te web of te

    sections.

    Te connections m be sine section ticness suc s in end

    connections, or te intern support connection of continuous

    P

    P

    P P

    P P

    P P

    P P

    P

    P

    P P

    P P

    P

    P

    P

    P

    P P

    P P

    P

    P

    P

    P

    P

    P

    P P

    P P

    P

    P

    P

    P

    P

    P

    P

    P

    P

    b bP P

    b bP P

    a b

    Pa b

    Simple

    Lapped

    Simple

    Lapped

    Simple

    Lapped

    Simple

    Lapped

    Simple

    Lapped

    Simple

    Lapped

    Simple

    Lapped

    Simple

    Lapped

    SINGLE

    LOAD

    2

    LOADS

    3

    LOADS

    4

    LOADS

    5

    LOADS

    6 OR MORE

    LOADS

    SINGLE

    ECCENTRIC

    POINT LOAD

    2

    SYMMETRICAL

    POINT LOADS

    w = 2P/L

    w = 2.22P/L

    w = 2.67P/L

    w = 3.16P/L

    w = 4P/L

    w = 3.78P/L

    w = 4.80P/L

    w = 5.12P/L

    w = 6P/L

    w = 6.65P/L

    w = 1.14NP/L

    w = 1.22NP/L

    w = 8abP/L3

    w = 17.76ab2P/L4

    w = 8bP/L2

    w = 9.45b(2L-3b)P/L3

    Conversion of point loads into equivalent uniform loads

    Symmetrical equidistant point loads

    Loading condition Conversion formula

    Single eccentric and two symmetrical point loads

    Loading condition Conversion formula

    Contct our oc BueScope Lst Service

    Centre for more informtion.

    Te number of bots used re ved compred

    wit te number used in convention ceted

    connections.

    Lapping

    Te structur p t te interior supports of pped

    confiurtions must be detied to provide dequte

    structur continuit.

    Ec end of te p must ve one bot trou

    te fne furtest from te cddin, nd one bot

    trou te webs ner te fnes connected to tecddin.

    Te nomin p ent is te distnce between

    te bot centres t te end of te ps. lps vr in

    ent wit bot section size nd spn s sown in

    te tbe beow. In no sitution must te p be ess

    tn 10% of te spn.

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    Intermediate values

    Witin iven bridin confiurtion, cpcities for intermedite spns

    m be interpoted iner.

    Notes to capacity tables

    1. lods re ssumed to be uniform distributed (see so Point lods).

    2. Te cpcities ssume te use of pproved BueScope Lstssections, bridin sstem nd bots.

    3. Te coumn, lod for defection spn/150, is te od tt wi

    produce tis defection. It is not desin cpcit.

    4. a connections use lySaghT purin bots rde 4.6, except for

    bodened cpcities wic require rde 8.8.

    5. Forces ctin to od cddin inst structure re defined s

    inwrd. Forces ctin to remove cddin from structure re defined

    s outwrd.

    Loading condition

    Outward load

    Inward load

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    Single spans

    Single spans

    Span (mm)

    Overall purlin length

    = span + 70 mm

    Limit state capacity tables

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    Limit state capacity tables

    Single spans

    Span (mm)

    Overall purlin length

    = span + 70 mm

    Single spans

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    Single spans

    Span (mm)

    Overall purlin length

    = span + 70 mm

    Single spans

    Limit state capacity tables

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    Limit state capacity tables

    Single spans

    Span (mm)

    Overall purlin length

    = span + 70 mm

    Single spans

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    Single spans

    Span (mm)

    Overall purlin length

    = span + 70 mm

    Single spans

    26

    Limit state capacity tables

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    Limit state capacity tables

    Single spans

    Span (mm)

    Overall purlin length

    = span + 70 mm

    Single spans

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    Double spans

    Span (mm)

    Overall purlin length = 2 x span + 70 mm

    Span (mm)

    1II

    .tlob8.8edargehtfohtgnertsehtybdenrevogeraelbatfoydobnienillatnozirohevobaseulaV.stlobnilrup8.8edargeriuqerseiticapacdloB.yticapacdaoldrawtuO=TUO.yticapacdaoldrawnI=NI

    001D

    See also: Design notes for capacity tables.

    Double continuous spans

    Limit state capacity tables

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    Double spans

    Span (mm)

    Overall purlin length = 2 x span + 70 mm

    Span (mm)

    Double continuous spans

    Limit state capacity tables

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    30

    Double spans

    Span (mm)

    Overall purlin length = 2 x span + 70 mm

    Span (mm)

    Double continuous spans

    Limit state capacity tables

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    31

    Double spans

    Span (mm)

    Overall purlin length = 2 x span + 70 mm

    Span (mm)

    Double continuous spans

    Limit state capacity tables

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    32

    Double lapped spans

    Span (mm)

    Overall purlin length =

    span + 70 mm + (Lap/2)

    Span (mm)

    Lap

    Double lapped spans

    Limit state capacity tables

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    Double lapped spans

    Span (mm)

    Overall purlin length =

    span + 70 mm + (Lap/2)

    Span (mm)

    Lap

    Limit state capacity tables

    Double lapped spans

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    Double lapped spans

    Span (mm)

    Overall purlin length =

    Span (mm)

    Lap

    .tlob8.8edargehtfohtgnertsehtybdenrevogeraelbatfoydobnienillatnozirohevobaseulaV.stlobnilrup8.8edargeriuqerseiticapacdloB.yticapacdaoldrawtuO=TUO.yticapacdaoldrawnI=NI

    2.051LD

    See also: Design notes for capacity tables.

    Double lapped spans

    Limit state capacity tables

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    Double lapped spans

    Span (mm)

    Overall purlin length =

    Span (mm)

    Lap

    Double lapped spans

    Limit state capacity tables

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    Double lapped spans

    Span (mm)

    Overall purlin length =

    Span (mm)

    Lap

    Double lapped spans

    1II

    .tlob8.8edargehtfohtgnertsehtybdenrevogeraelbatfoydobnienillatnozirohevobaseulaV.stlobnilrup8.8edargeriuqerseiticapacdloB:oslaeeS.yticapacdaoldrawtuO=TUO.yticapacdaoldrawnI=NI Design notes for capacity tables.

    2.002LD

    Limit state capacity tables

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    37

    Double lapped spans

    Span (mm)

    Overall purlin length =

    Span (mm)

    Lap

    Limit state capacity tables

    1II

    .tlob8.8edargehtfohtgnertsehtybdenrevogeraelbatfoydobnienillatnozirohevobaseulaV.stlobnilrup8.8edargeriuqerseiticapacdloB.yticapacdaoldrawtuO=TUO.yticapacdaoldrawnI=NI

    052LD

    See also: Design notes for capacity tables.

    Double lapped spans

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    38

    Double lapped spans

    Span (mm)

    Overall purlin length =

    Span (mm)

    Lap

    Double lapped spans

    1II

    .tlob8.8edargehtfohtgnertsehtybdenrevogeraelbatfoydobnienillatnozirohevobaseulaV.stlobnilrup8.8edargeriuqerseiticapacdloB.yticapacdaoldrawtuO=TUO.yticapacdaoldrawnI=NI

    003LD

    See also: Design notes for capacity tables.

    Limit state capacity tables

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    39

    Limit state capacity tables

    Double lapped spans

    Span (mm)

    Overall purlin length =

    Span (mm)

    Lap

    1II

    .tlob8.8edargehtfohtgnertsehtybdenrevogeraelbatfoydobnienillatnozirohevobaseulaV.stlobnilrup8.8edargeriuqerseiticapacdloBSee also: Design notes for capacity tables..yticapacdaoldrawtuO=TUO.yticapacdaoldrawnI=NI

    053LD

    Double lapped spans

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    40

    Three spans

    Span (mm)

    Overall purlin length = 3 x span + 70 mm

    Span (mm) Span (mm)

    Three continuous spans

    Limit state capacity tables