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CONVENTIONAL vs LIGHTWEIGHT CONSTRUCTION - Firefighter Nation In conventional construction, you have solid structural elements -- 2x6, 2x8, 2x10 or larger rafters, floor joists, as examples The distinction is important for the simple reason that solid structural elements will result in a longer burn time, flame exposure time before yielding to the stresses they are undergoing and failing, resulting in
Find the “Safe Zones” Other Tips for Working on Panelized Roofs In conventional construction, main beams are made of large dimensional lumber, while lightweight roof systems use a glue lam beam In both applications, the main beam is supported by an unprotected steel column Smaller structures, where purlins are shorter, may not use a main beam, and purlins will be hung from ledger wall to ledger wall
Richmond. Calif. 7-9-8-Coffin Cut Ventilation Hole Academy instructors Manly Molton and Marc Lucero demonstrate the 7-9-8 coffin cut It is of one methods we teach our FF's for venting a commercial flat roof with conventional construction Using this cut allows the vent team to expand the hole quickly with only two additional cuts
Know Your Role on the Roof: A step-by-step cut sequence for sawyers . . . It’s important to remember that although conventional constructed panelized roof systems have beefier structural members that will last longer under fire conditions, the weak points are the panel and rafters that rest between the purlins
Firefighter Forum, Rescue EMS Discussion Solar Shingles and Conventional Asphalt Shingles With continued emphasis on alternative energy systems and applications, the newest feature to hit the American market place is thin film… Started by Christopher J Naum, SFPE 2: Jan 21, 2011 Reply by Kathy Williams: Buildingsonfire com Launches Check out the new Buildingsonfire com
Sizing up a building - My Firefighter Nation You would know this because in that section of Manhattan, the addresses from 300 to 399 are between 1st and 2nd ave 320 is an even #, even numbers are on the south side of the street odd #'s on the north side 87 is an odd # and traffic flow on odd # streets is west bound Five story tenaments are the main type of construction found in that area
Hybrids: Overemphasized As A Hazard - My Firefighter Nation Knowing a few basic things about hybrids—the location and construction of battery compartments, the color (orange) used to designate high voltage cables, and the location of fuses that will isolate the electrical system—should be enough to help first responders save lives and remain safe in the process Removing the ignition key and
Ten Minutes in the Street: What Youre Seeing, Isnt What you Get The comparative test results related to legacy (conventional) versus modern engineered construction systems is mission critical for any organization that has engineered structural systems and components in occupancies and structures within their jurisdiction or response area