b'RCANews Blizzards, Tornadoes&- OhMyi~ Hurricanes NewWind Design and Safety Incentive Programs By Kurt Baumgartner What do Aristotle and "The Wiz provide an alternative totr i great and powerful Oz. A mysteritheadardofOz"have todowitheachtional way of doing things,NRCAous wizard doles out what he thinks other, or with roofing for that mat alongMRCA and NERCA haveweneed and what best serves his with ter?developed awind loadpurposes. web-based Well, Aristotleoncepostulatedcalculator based on ASCE 7-05.Wehavethetools,industry thatlogicallyheavier objectsfallThisdescribed in an article byknowledgeandthepower tojoin is faster than lighter ones.isMark Graham intogether and accomplish m but Th theorythe February issueuch, heldswayfor2000yearsuntiofProfessional Roofing.Mark isif we accept the gifts of the Wizard I Galileo went uptothe topof thethe lead force behind the develop we might as well all be members of Leaning Tower of Pisa and droppedmentof the WindCalculatorandthe Lollipop Guild.1-29 and 1-FM twoballsfromthetop.Onehisnarrativeismuchbetter than28 forces thecontractor to .we accept theroofing ifweighed ten pounds the other oneanythingI couldwritehere,soIaccept responsibility forstructhe gifts ofWizard wepound.Both hit the ground at theencourage you to read it.turalmetaldeckamongoththeer sametime,effectivelydisprovingthings.In re-roofinga structural might as well all bethe centuries-old theory.engineer is rarely involved with the theThe only problem was that thoseproject, forcing the roofing contracmembers of learned men assembled to observetor to accept the responsibility for Lollipop Guildthe experimentrefusedtobelievemetal deck uplift.Ifaccept this . wewe the results, and con toresponsibility, wemightasw might as well clicktinuedpromulgate the Aristotelian conclusion.clickourRubySlippersanuour Ruby SlippersThisledNiccoloMachiavellitoexclaim,"There\'snoplacelike and exclaim, "There\'s" remark, "There is nothing more dif court, there\'s no place like court. ficult to take in hand, more perilousThis is not to say that the Wind no place like court,to conduct or more uncertain in itsCalculatorrendersFMirrelevant. success than to take the lead in theOn the contr - it encourages the ary there\'s no place likeintroductionofa neworderofproper use of wind load on specific court."things."buildingconfigurationsandthe We are engagedin aofappropriatewindspeedsforthe change the order of the way wind loads areMypurposehereismoretoareasothathurricane-resistant get calculatedandspecified for,andencouragetheindustrytogetconstructions don\'tspecified in theover-specificationofwindbehind thisand to believe theSaint L This approach brings effortouis. design. Specifiers h for as longresultsratherthandenywhat wecommonsensetothewave,hole asI canr reliedonFMhave.Thoselearnedmenofoldprocess. emember, approvals fortheupliftrequire maysay,"ItsbeenthiswayforI en you to recommend courage ments in their contract documents.years and this new way just wonttheWindCalculatortospecifiers ave As hurricane losses mounted, FMwork" - or at least it isn\'t worth theyou h influence with and to use begantostiffenthereq effort to pursue it.it yourself.sitebe accessed uirementsThecan for those approvals to the point thatThis brings me to "The Wizard ofat www.roofwinddesigner.com. metal decking is virtuallyoutOz." BeingKansas,endureNow on to safety ruledfromwe. for ratings above 1 constant ridicule for that fairytale,I have no safety-relevant fables -90. My understanding isin thebut there are somelessons tobeor stories other than thatthis. ea were most recent rendition of Loss Pre learned from it. We, as contractors,A minister and w therman vention Sheet 1-29, the responsi have for too longlined up like sotrying to play aof golf, but a round bility foruplift requirements ofmanyscarecrows,tinwoodmenheavy rain descended u the~ thepon the m deck are transferred to theand cowardly lions to receive whatAfter many false starts, as the r&J etal roofingcontractor.In aneffort towe perceive we don\'t have frompersisted the minister turned to the the'