Foam extinguishing system for underground tanks gasoline Hello my name is Michael Polito, I'm a Plant Operations Manager at a hospital and I'm inquiring about adding blood bank refrigerator/freezer temperature alarms alarm through our main medical gas alarm panel th... NFPA 86 states " 8.16.3 Operation of the excess temperature limit interlock shall cut off the heating system before the oven's maximum temperature, as specified by the oven manufacturer, is exceeded." Doe... I'd like to know where I can find the 2020 updates of the NFPA 51B Standard for fire prevention during welding, cutting, and other hot work. Thanks. In table 307.1 (1) under flammable liquids storage, if both note "d" and "e" apply, does this mean that you can double the initial amount (120 gallons) to 240 gallons, and then double that amount (240 gallons) to 480 ... Hello Xchange I have a question regarding NFPA 407. If a loading and unloading rack for an exiting fuel farm is located outside the perimeter fence ( the tank still inside the plant). It is required to have a ... Hello, I am looking for information on how to take exception to NFPA 86 explosion relief requirements for Class A & B Natural Gas fired Ovens. My situation: I have an oven that cannot physically meet the 15 ... Hello all, What course of action should you take if all 3(three) "Special Hazards" are present in your building? I realize that if a substance is both an oxidizer and reactant to water you put -W-(lets pretend the li... The SFPE Handbook and various vendors advise that subsurface injection of foam is not recommended for internal, floating roof tanks. Are there any studies or incidents that support this position? Thanks Hi, I'm in a situation with a process that requires addition of powder to a 250L tank that contains ethanol. About 5 kg of powder is added, in 1kg batches. The issue I have is that the powders are weighed and di... Why there is nothing mentioned about the gas detector in return duct. While HVAC in re-circulation mode. if there is a build up or increase in hazard gas concentration inside the building due to infiltration or... Hi, I would like to know the requirements and equations I need to use based on NFPA codes, to : 1) Size the Explosion relieving Devise , i.e., Explosion Panel or Explosion Hatch for Starch Siloes used in Pulp& Pap... Drilling rigs usually have their own fixed water spray system but how can we, as a client ensure that it is sufficiently designed? Secondly, is there a requirement of any additional firewater inventory to cool down th... NFPA-30 EXTRACT What happened to NFPA 49 - "Hazardous Chemicals Data?" I only see it in the current "Fire Protection Guide to Hazardous Materials, 2010 Edition." If it no longer exists, where can I find the data? For example, I want ... Hello, everyone! We have three substaitions and each substaion have mutiple electrical distributions stored in every container, now, we need to arrange the electrical containers in the ground plan, please see the atta... Kindly clarify exact relation between Fire load and Hazard category of an occupancy/Industry (Light/Ordinary/High) in perspective of designing fire protection system of an industry..... is a discharge test requested for the fm200 and inert gas system? Hello dear community! I've come here in a quest to at least lay the basis of a future research on the topic of eco-friendly firefighting foams. As you all know the typical types of firefighting foams are ... What are the Fire Extinguisher requirements for diesel tank farms? Just every 75 feet? 20 pounders?