Chicago 2-11 on Milwaukee Ave 2-9-11
On Wednesday evening, Chicago firefighters responded to a fire at Andy’s Deli located at 5442 N. Milwaukee Avenue. Upon arrival, the first units found an active fire in the commercial building and struggled to get water due to frozen hydrants in the area. Because of concerns over the structural integrity of the roof, the initial response turned defensive, and a 2-11 alarm was called. Two tower ladders and Squad 2’s Snorkel were deployed, with Truck 55 using a master stream from above. A Mobile Ventilation Unit (MVU 9-2-3) was also dispatched from Engine 106 to help push smoke and fire toward the rear, allowing crews to access the structure through the intact roof. The fire was captured by both Steve Redick and Larry Shapiro. You can view a gallery of Larry Shapiro's photos here, and a collection of Steve Redick's images here. Here are some key moments from the scene. The Chicago Tribune covered the incident briefly here. A view of Sector 1 shows heavy smoke but no visible flames. The intact roof allowed for the deployment of the Mobile Ventilation Unit. Photo by Larry Shapiro. The MVU was positioned in front of the building to direct the fire toward the rear, enabling firefighters to attack it without entering the premises. Photo by Larry Shapiro. Smoke was seen pouring from the rear of the building as the MVU pushed the fire upward. Photo by Larry Shapiro. Engine 119 used a hydrant at the end of the alley, but blocked sewers caused a large amount of water to accumulate. Photo by Larry Shapiro. Light Wagon 9-1-3 was brought to the scene to improve visibility for firefighters working inside. Photo by Larry Shapiro. As crews dismantled their lines, many encountered frozen hoses that had to be carefully managed during transport back to the station. Photo by Larry Shapiro. Engine 108 transported its frozen hose on top of the engine for the return trip. Photo by Larry Shapiro.
Galvanized steel pipe is a kind of Carbon Steel Pipe, mostly welded pipe, Galvanized steel pipes are divided into cold galvanized steel pipes (electro galvanized steel pipes) and hot-dip galvanized steel pipes. At present, hot-dip galvanized steel pipes are mainly used in fire protection, electric power and highways.
Galvanizing can increase the corrosion resistance of steel pipes and prolong their service life. Galvanized pipes are widely used. In addition to being used as pipeline pipes for water transmission, gas, oil and other general low-pressure fluids, they are also used as oil well pipes and oil transmission pipes in the petroleum industry, especially in offshore oil fields, as well as pipes for oil heaters, condensing coolers, coal distillation oil washing exchanges of chemical coking equipment, as well as trestle pipe piles, support frames of mine tunnels, etc.
Hot-dip galvanizing (HDG), as referenced is the process of dipping fabricated steel into a kettle or vat of molten zinc.
Hot-dip galvanizing (HDG) is the process of coating iron, steel or ferrous materials with a layer of zinc. This done by passing the metal through molten zinc at a temperature of 860°F (460°C) to form zinc carbonate (ZNC03). Zinc carbonate is a strong material that protects steel and can prevent corrosion in many circumstances. Hot-dip galvanizing can be carried out cheaply and in large batches.
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