3326 PAINE AVE 2018-01-01 MF Import

k !/ 4. Discussion of Fire Related Damage Much of tlie damage described above indudes steel members that were previously straight that are now deforined due to the fire. The out of-straightness of the steel members can be caused by a number of different sources,including sustained creep due to long periods of exposure to fire, ezpansion of the member during heating while restrained by adjacent framing,and force eccentricities created by uneven heating and cooling. Each of these sources couid result in a member with noticeable deflections(ollowing lhe fire. Structural steel members wilhou[noticeable deforma[ion following a fire indicate that lhese members were nol subjecled to elevaled lemperatures that affecled the strength of the member. Research has shown that while fire-affected members are not straight,heating and cooling due to fire does not resull in a decrease in Ihe malerial strength of a sleel member except in the most extreme circumstances. Because evidence of these circumslances was not visible on the surface of the sleel members,and due to Ihe presence of ceiling vents that allowed heat to escape out of the building,it is unlikely that the current malerial strength of the steel members is significanUy different from the material slrength of the steel before the fire. 3ecause Ihe material strength of(ire-af(ected members is largery unchanged,it may be possible to heat-straighten lhe defonned struc[ural members in place to fix the damage crealed by the fire. Economic consideration may prevent this,and replacement of lhe fire-affected members may be a less cosUy repair option. If heat-straightening methods are chosen to repair the strucWre,the existing connections between the strucW ral members should be observed. It is possible that any connecting welds and bolts were damaged during the fire. The welds and bolts were not able to be observed from the ground duri ig our site invesligalion and could be fractured due to the deformalions of the structmal elements. If replacement of lhe structural members is used to repair lhe structure,this invesligation is not necessary,as lhe welds and bolts that may be damaged will be replaced along with the members lo which they allach. 5. Recommendations In order to repair the building to operable conditlon,Ihe damaged iteins listed above will need to be either repaired or replaced. Both options are slructurally acceptable,but il is likety that one oplion will be more economically(easible Ihan the othec It will be necessary to contact a contraclor who specializes in the repair of strucW res ro determine which op:ion is more cost e(fective. Glacier Propertles.LLC I��ZrI 3326 Paine Avenue F/ �f