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This study used untreated pond water containing corrosive anions and MIC-causing bacteria as an accelerated testing environment to explore the feasibility of nitrogen as a deoxygenation gas to mitigate corrosion of sprinkler pipes.
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The World Trade Center (WTC) Transportation Hub is a multi-billion-dollar project comprising WTC Tower One, the train station, and retail space. The structural steel and architectural elements require long-term corrosion and fire protection. The design of the buildings and various architectural elements within them presented many difficulties to providing the desired end-result.
When choosing a Fire-Protection material to meet building code requirements to insulate steel for a prescribed period to facilitate safe evacuations and emergency response from commercial buildings in the event of a fire, there are many factors that influence the selection of an Intumescent Fire Resistive Material (IFRM) over a Spray Applied Fire Resistive Material (SFRM). It could be a concern of the weight of the system; Portland Cement based SFRM’s are typically much heavier and bulkier than IFRM’s. Another factor could be durability, based on either corrosion resistance or the ability to withstand considerable physical or environmental damage.
Since the inception of Epoxy Passive Fire Protection (EPFP), the industry has depended upon systems that require mesh reinforcement. The addition of this mesh adds at least $3.72 USD/sq. ft. to the applied systems. To avoid any risk of failure when exposed to fire reinforcement mesh must be correctly installed in accordance with the product’s certification and type approvals.
In today’s protective coating industry, there is a growing demand to proportion and spray 100% solids coatings that are high viscosity and composed of materials that make them compressible during processing. Epoxy intumescent fireproofing is one such material that starts as compressible in the pail and becomes more compressible when heated and agitated under air pressure.
A recent technology has been introduced where improved mechanical durability and aesthetically pleasing finish is achieved using pre-manufactured intumescent fire protection. This paper will detail how the pre-manufactured intumescent technology will provide an attractive alternative to spray application to achieve up to 2-hour rating with simple installation techniques that result in ultra smooth, no orange peel finish. This alternative process can be used on new construction, maintenance and building retrofits with little disruption on the job site.
Fire is the biggest threat for the crews in aircraft, ships, submarines, and land vehicles. As a result of such threats there have been use of fire/flame retardants coatings increased exponentially to curb economic and social consequences of fire [1]. There are various types of coatings available to fight against the fire. Two classes of fire protection technologies are being used currently, 1) Fire retardant and 2) Fire resistant. Fire retardant coatings are passive fire protection coatings where such coatings can slow down the spread of the flames allowing more time for evacuation and firefighting. Fire resistant coatings typically inhibiting the flame penetration or do not ignite upon in contact with fire [2].