b'_ i_ R f _,g C n _t _r _a_c_t_As_ __ n _ _________ Aft d_w_e_s_t_ _o_o__i_n "-_o_ _ _ s_o_c i a_t_i o_o_r_sMRCA Addresses Revisions to FM1-29 and Announces the Release of a Contractor\'s Addendum dard 7industry standard forInse revisions FM Global has as thethewind uplift."revisedguidelinesforsteelroof hileon to W FM standards applylydecks, as well as requiring that steel FM-insured properties,feltroofdecks bedesignedfor windMRCAit was time for the industry to recog upliftessure resistance in addition prn that the FM requirements wouldto gravity loads. ize cause pointless expense to o s wneralong with labor and overheadMRCA Concerns Regarding FM costs ont -2toc ractors thatwerenotwar 1 9 February 2007 Re,isions ranted, requirednecessary.M commendsthe revisions orRCA Because of the s g o that addressed ma of the concerns tron ppositionny of organizations like MRCA and thein theH it previous version.owever, NorthEastR Contr torsis the po ion of MRCA that deteroofingac sitAssociation(NERCA)andthroughmining aroof d \'s compli-steeleckLawrence,Kansas- Apriltheeffortsofindividual membersance with FM G balguidelines is lo29, 2007 - As part of its commit and alition of industry leaders,o the scopework performed coa utsideof ment to serving as an advocate onFMobal has again r d1- by mosto contractors. It is the Gl evise FMro fing beh ofroofingc ors, the29.position of MRCA thatr ~ alfontract theesponsi M st R Contractors Asso Febru 2007 changes to FMbility for verificationthat the stee, idwe oofingary,1-this ciation (MRCA) is issuingstate 29 included the following:roof deck complies with FM Global ment regarding the February 2007Guidance was added and modi guidelinesistheresponsibilityof revisions toFM1-29,Roof Deckfiedf steeldeckspan a the building owner. ornd Securement and Above-Deck RoofsecurementtoimplementMRCA stronglyt recommends thaComponents:optional designs for wind speedallroofingcontractorsperforming "MRCAcommendsFMG balhigher than thecspeedwork ona projectinsuredbyFM lo basi wind for the revision and abandonm ofshownDS 1-28.Globalorwhere FMApprovals\' entin the language that madeious Allowable wind pressure vs. deckguidelines arehave the prev specified should versionofFMPropertyLossPre span tables were added for com anMRCAAddendumsignedand ata aseck types,process. vention D the universal indus mon steel d along withincluded as part of the bid trystandardunrealistic,m iplierstodeterminewindT languageshouldspecifically ult his unreasonable and unworkable."pressuresforhigher gradesofaddressthatthest roofdeck eel steel.complieswithFMGlobal guideFM 1-29 Background Examp problemsford lines. leeck In January,2006,FM Globaldesignadded.M of MRCA may use the wereembers inreven added issued changesFM Loss P Recommendations weretoFM 1-29 Addendumdocument as tion Document1-29. The MRCAhelpimprovetheinstallationpartoftheirbidprocess.This B ofDirectorsunanimouslyquality oflightweight insulatingaddendum has beenspecifioardcreated approved the following motion:concrete (L }.callyforroofingcontractorsto WIC"MRCA recommends to its m R mmendation2.2. wasaddress theconcerns ofFM1-29 em eco 1.2.6 bers in particular, and the industryrelocatedOS 1 .relating tosteelroof deck complifrom-29RFM in general, the abandonment ofRecommendation2.2.1.5.1,ance.This addendumisfreefor Loss Preven Document 1-29 asrelatedtop tive enhance MRCAb to use as they see tionrescrip mem ers the universal industry standard inments for mechanically fastenedfit and is aof membership i~ benefit light ofunrealistic, unreasonableinsulation with adhered roof cov MRCA.__} its andconditions and ers, w modified to prevent misunworkablerec asContinu next page ed on ommends theof ASCE Stan- interpretation of intent. use'