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What is an FDC connection?

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Asked By: Nihat Drefahl | Last Updated: 15th May, 2020
The Fire Department Connection (FDC), also know as the Siamese Connection, is an important component found on most sprinkler and standpipe systems. When a sprinkler system activates, the fire department connects hose lines from a pumper truck to the fire department connection.


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Furthermore, what is a FDC for?

FDC stands for Fire Department Connection. This is a connection on the exterior of a commercial building where a responding fire department can attach a fire hose and pump water into the building’s stand pipe system supplementing the water pressure to the buidling’s sprinkler system.

Secondly, what do you pump a FDC at? We intentionally under pumped the FDC at 150 PSI, which is our department’s standard starting pressure for standpipe systems, and flowed the first-floor hose outlet.

Accordingly, which is the most common type of FDC connection?

One of the most common FDCs, known as a Siamese or two-way connection, has two 2 1/2-inch female swivel connections. NFPA requires that all fire department connections use 2 1/2″ National Hose (NH) threaded female couplings unless the authority having jurisdiction designates another specific connection type.

What is a Storz connection?

Invented by Carl August Guido Storz in 1882, a Storz connection is a type of hose coupling used to connect large diameter hose to a fire sprinkler or standpipe system. This connection quickly dominated the European fire protection market but took nearly 100 years to find its place in the United States.

What does FDC stand for medical?

fixed-dose combination

How do standpipe systems work?

Wet and Dry Standpipe Systems. Description: The standpipe supply pipe extends into the building to supply fire-fighting water to the interior of the structure via hose outlets, often located between each floor in stairwells in high rise buildings. Dry standpipes are not filled with water until needed in fire-fighting.

What is FDC Pharma?

FDC Limited is a fully integrated research-oriented pharmaceutical company engaged in the manufacturing and marketing of Formulations (Finished Dosage Forms) and Active Pharmaceutical Ingredients (APIs). FDC manufactures bulk drugs formulations and food products.

What is a standpipe system?

Standpipe systems are a series of pipe which connects a water supply to hose connections that are intended for fire department or trained occupant use.

What is a FDC sign?

The Fire Department Connection (FDC), also known as the siamese connection, is important for firefighters to be able to find and identify in case of an emergency. In short, these wall signs ensure that the materials firefighters need can be quickly and easily found.

What does FDC mean in texting?

FDC. Forever Dropping Casualties (gaming clan) showing only Slang/Internet Slang definitions (show all 74 definitions) Note: We have 239 other definitions for FDC in our Acronym Attic.

Who is FDC?

FDC” stands for Factual Data Corp., a credit information provider whose services some lenders use when evaluating borrowers’ applications.

What is post indicator valve?

Also known as PIV, indicator post, I post, IP, post indicator, or wall post, a post indicator valve is a valve assembly used for the purpose of underground piping for water supply to fire protection systems such as sprinklers, sprays, foams, deluges, etc.

How long does a fire hydrant last?

Every fire hydrant is different, but they are built to last. In many cases, you will find a fire hydrant is designed to serve the community for 20 or more years—this is made possible when the hydrant is well maintained and is not damaged by outside sources (such as being struck by a vehicle or vandalism).

Where should the fire department connection FDC be located in relation to the sprinkler control valve?

3.1 says that the FDC shall be on the system side of the water supply check valve. This provision refers to the inlet, piping, check valve, etc. as being one unit. The sizing of all these components from the connection to the sprinkler system to the inlet shall be determined by 13(99) 5-15.2.

What does auto spkr mean?

automatic fire sprinkler system

What is the maximum height that a fire department connection may be located above the adjoining ground sidewalk or grade surface?

Fire department connections shall be located not less than 18 in. (457 mm) nor more than 48 in. (1219 mm) above the level of the adjoining ground, sidewalk, or grade surface. [2019 NFPA 14 6.4.

Can you park in front of a Siamese connection?

There are not any parking rules based on these devices. Unless the curb in front of it has unrelated marked rules, feel free to park in front of it. That is called a siamese connection; it is linked to a building’s standpipe system. You can park in front of one.

Can you park in front of a FDC?

In other words a no parking area along the curb in front of the fdc.

Do standpipes work?

Standpipes are not fail-safe systems and there have been many instances where fire operations have been compromised by standpipe systems that are damaged or otherwise not working properly. Firefighters must take precautions to flush the standpipe before use to clear out debris and ensure that water is available.

What is a standpipe test?

A standpipe is the vertical piping that connects fire sprinkler systems and hose stations between multiple floors. A rooftop standpipe test verifies the water supply, pump and piping at the topmost part of the system.

How much PSI is in a floor?

In fact, it weighs 62.4 pounds per cubic foot. This mass requires a pressure of 0.433 psi to lift water one foot (62.4 lbs/144 in in ft). To put it another way, one psi will lift water 2.31 feet (1/0.433). In a single story building with 70 psi in the street, this can be insignificant.