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Rural Water Supply Operations Seminar
Rural Water Supply Operations Seminar

Water Supply Officer Seminar
Water Supply Officer Seminar

Relay Pumping With Large Diameter Hose
Relay Pumping With Large Diameter Hose

Dry Fire Hydrants Seminar
Dry Fire Hydrants Seminar

Dry Fire Hydrant Designs and Installations
Dry Fire Hydrant Designs and Installations

Suction Strainer Flow Test Project:Test Results

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 Welcome to the Official Website for GBW Associates, LLC.

    

GotBigWater is the official website of GBW Associates, LLC, a privately owned training, consulting, and design firm located in Westminster, Maryland. Our specialty is water supply for public and private fire protection. We at GBW Associates, LLC are known for our training programs, our consulting services, our dry hydrants, and our testing services. Over the years, we have completed projects in over 41 different states and Canada ranging from rural water supply and incident command seminars to ISO water supply assessments to community master planning.

Use the menu at the left to take a look at our services and to contact us.  Be sure to check out the News Archive and  Big Water Information sections for a whole bunch of information on water supply delivery operations.

 Scroll down to see our recent activities, upcoming events, and website updates.

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Be sure to join the Members Area to discuss water supply issues, view our document library, and receive announcement notices concerning our website and our services- it is FREE!

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Upcoming Seminars, Courses, and Drills

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The adaptor does not make this a high-flow discharge.
The adaptor does not make this a high-flow discharge.

What's On Your Engine Company #13 - Discharge Adaptors - Be Careful

President Mark Davis, February 29

There is nothing worse than trying to dig through a milk crate of adaptors in a back compartment on a rainy night trying to find the 2-1/2" to 5" adaptor. We get that. However, if you choose to carry that adaptor connected to a 2-1/2" or 3" discharge then make sure everyone knows the flow limitations of that discharge. The adapter shown in this photo provides a number of options - awesome, no digging ... (Full Story & Photos)

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What's On Your Tanker #50 - Rear Dump Retrofits

President Mark Davis, February 22

Nothing overly exciting hear - unless of course it doesn't work. We spoke about this issue before, when choosing to retrofit a rear dump valve/chute with a swiveling version, make sure that new chute will clear the top of your local dump tank frames. Remember that there is no standard on the height of a dump tank and there is no standard on the location of a dump chute. Many dump tanks come with ... (Full Story & Photos)

Hmmm....will this retrofit clear the top of the dump tank frame. Something to evaluate before installation.
Hmmm....will this retrofit clear the top of the dump tank frame. Something to evaluate before installation.

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Supplying this 250 psi rated intake valve using 300 psi rated 5-inch LDH means you don't pump the LDH above 250 psi to begin with. If you are pumping a 5-inch line over 200 psi, then take a moment to review what you are doing just to make sure that much pressure is truly required to meet your flow objective.
Supplying this 250 psi rated intake valve using 300 psi rated 5-inch LDH means you don't pump the LDH above 250 psi to begin with. If you are pumping a 5-inch line over 200 psi, then take a moment to review what you are doing just to make sure that much pressure is truly required to meet your flow objective.

Know the Max Operating Pressure in Your LDH System

President Mark Davis, February 15

With more folks moving to fabric 4 and 5-inch LDH it is still important to be aware of the maximum operating pressures of appliances and Storz couplings used in your LDH system. While it probably is very rare that we would pump that new 300 psi rated fabric 5-inch LDH at 300 psi, if we do....then there is a good chance that we are over-pressurizing some other system component. The good news is that ... (Full Story & Photos)

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Dump Site Operations #28 - Multiple Suction Intakes

President Mark Davis, February 08

A few photos from our 2014 seminar in Peace River, Alberta where folks got to practice their water hauling skills using a variety of fill sites and tenders. The dump site pumper was able to get three suction lines in operation which enhanced its ability to supply water to the simulated fireground. As noted in previous news stories, the ability to get additional suction intake lines in operation ... (Full Story & Photos)

Three suction intake lines improved the output of this pumper at this drill.
Three suction intake lines improved the output of this pumper at this drill.

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The business end of DeWitt Tender 1706.
The business end of DeWitt Tender 1706.

What's On Your Tanker #49 - Rear Dumps - Dewitt, IA

President Mark Davis, February 01

Nothing really special here, just a couple of photos from our 2014 seminar in Port Byron, Illinois showing DeWitt (IA) FD Tender 1706....a 3000-gallon rig built by Alexis Fire Equipment located in Alexis, Illinois. Tender 1706 was fairly new at the time of the seminar and the folks did a nice job of hauling water with it during the 2-hr drill. The rear dump arrangement caught our eye so we grabbed ... (Full Story & Photos)

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Dump Site Operations #27 - The Dump Tank Liner

President Mark Davis, January 25

Another simple but important item....this time regarding dump tank deployment. When deploying a rigid-frame portable dump tank it is important to make sure that the liner is pushed back into each corner so that the liner is evenly (as best as possible) centered in the tank before the first load of water is dumped. If the liner is not evenly lined up in the four corners (and sides) then that first ... (Full Story & Photos)

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A simple installation may not be so simple if research is not done first about the permitting process.
A simple installation may not be so simple if research is not done first about the permitting process.

Dry Hydrant Design #62 - Permitting

President Mark Davis, January 18

Some recent discussion occurred in our Members Area about the installation of a dry fire hydrant in a stream. The rules really vary from State to State on what can be installed in a body of water. Some of that depends on the type of body of water in terms of navigation, tides, and wetlands. Some of that depends on how the system is installed and how much water draw is expected. The bottom line is ... (Full Story & Photos)

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Dry Hydrant Design #61 - Traditional Fire Hydrant as Dry Hydrant

President Mark Davis, January 11

A couple of reminders about using a traditional fire hydrant as a dry fire hydrant. Some folks use the traditional dry barrel fire hydrant as a dry fire hydrant because of its valved control. This sometimes occurs when the hydrant is located at or below the level of the water source. We've encountered a number of these installations during our travels and the valve allows control of the flow so that ... (Full Story & Photos)

This dry barrel tradition-style fire hydrant is actually a dry fire hydrant (with valve) that provides FD access to this large pond.
This dry barrel tradition-style fire hydrant is actually a dry fire hydrant (with valve) that provides FD access to this large pond.

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Your questions and feedback are important to us!  If you have a question about water supply or pumps or FD stuff in general, join our Members area (for free) to post your inquiry. We will provide our thoughts and perhaps other folks in the field will provide theirs also. 

Also - be sure to sign the guest book if this is your first time here - guestbook.

 


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