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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 42 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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Engine 146 produced a 1,139 gpm flow during the installation performance test.
Engine 146 produced a 1,139 gpm flow during the installation performance test.

Dry Hydrant Design #65 - Bridge-Mount Installation - Champlain, New York

President Mark Davis, July 18

Last week we installed another one of our bridge-mount dry fire hydrants in New York State, this time in the North Country in the Town of Champlain near the Canadian border. The installation used our angle-mount design and an ETT suction head and stream strainer. New to this design was the use of our "Vermont" high-hat clamping bracket mechanism that allows us to install the system on rail posts ... (Full Story & Photos)

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What's On Your Engine #18 - More About the Keystone Valve

President Mark Davis, July 11

Following up on last week's News Story, here is a "Keystone" style valve on a front mount pumper. As we noted last week, the butterfly valve was once very popular in the rural American fire service and slowly got replaced by more "fire-service" designed valves. The use of a suction inlet control is still very important today regardless of type and location (internal/external). In the photos shown ... (Full Story & Photos)

Simple valve....big importance.
Simple valve....big importance.

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A simple butterfly valve on this suction inlet.
A simple butterfly valve on this suction inlet.

What's On Your Engine #17? - The "Keystone' Valve

President Mark Davis, July 04

What was once a mainstay in the "rural FD" community is rarely seen these days...but does still exist. The "Keystone" valve...as many old-timers might call it...is simply an external suction inlet control, butterfly-style valve. The "Keystone" terminology came from the brand of valve...similar to the notion of calling all facial tissues a Kleenex. In most instances the butterfly valve worked quite ... (Full Story & Photos)

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Dump Site Operations #31 - Jet Siphons Use Pump Capacity - Texas

President Mark Davis, June 27

There are a number of variables effecting the usable flow from a jet siphon-style water transfer device. Much like the collaborative work that we did on suction strainer testing in 2017, our 2012 project on jet siphon flow testing showed wide variances in the flow produced by the devices. We were never able to quantify the various water motives needed to make the test devices perform at optimum flow. ... (Full Story & Photos)

Hard to see the stream but the Sho-Flow is measuring the water motive needed to make the far right (red to orange tank) 6-inch jet siphon produce what we would call a "good looking" stream.
Hard to see the stream but the Sho-Flow is measuring the water motive needed to make the far right (red to orange tank) 6-inch jet siphon produce what we would call a "good looking" stream.

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This 6-inch Holley Transfer Pipe on Barkhamsted East FD's Tanker 2 is ready for rapid deployment.
This 6-inch Holley Transfer Pipe on Barkhamsted East FD's Tanker 2 is ready for rapid deployment.

What's On Your Tanker #54? - Holley Transfer Pipe Storage Ideas

President Mark Davis, June 20

Nothing fancy here...just some ideas on how to store a Holley Transfer Pipe on your rigs. Anything that can be done to get a water transfer system set-up as fast as possible is going to have a positive impact on water supply operations. We really like the pre-connected hose carried on Tanker 2. That device got deployed and placed in operation really fast during our 2-hour drill in Riverton that ... (Full Story & Photos)

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Dump Site Operations #30 - Be Ready to Dump Multiples

President Mark Davis, June 13

Another simple but important message. When setting up a dump tank operation to flow in excess of 1000 gpm folks need to plan to build out the arrangement to accommodate several tankers dumping at the same time. While effective water transfer operations are probably the more critical item to "keep an eye on," the person in-charge of the dump site needs to also ensure that dumping operations are not ... (Full Story & Photos)

Dumping three at a time in Riverton, Connecticut.
Dumping three at a time in Riverton, Connecticut.

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Riverton Engine 4 (2000 gpm) used multiple suction lines to support the 1600 gpm flow plus supply three water transfer devices. The pumper pumped in excess of 2200 gpm at its peak.
Riverton Engine 4 (2000 gpm) used multiple suction lines to support the 1600 gpm flow plus supply three water transfer devices. The pumper pumped in excess of 2200 gpm at its peak.

Hauling Water - Connecticut Style! The Newest Member of Our 1000 GPM Club!

President Mark Davis, June 06

On June 2nd, around 50 folks from Riverton and the surrounding Litchfield County, Connecticut area participated in a 2-hour rural water supply drill. The drill culminated our 16-hr Rural Water Supply Operations Seminar that was sponsored by the Winsted Area Chiefs and hosted by the Riverton VFD. All of Saturday day and Sunday morning were spent reviewing the best practices of hauling water with tankers. ... (Full Story & Photos)

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Hauling Water - Texas Style!

President Mark Davis, May 30

On May 24th, crews from District 7 Fire Rescue and surrounding Bexar County (Texas) fire departments participated in our 2-hr rural water supply drill. The drill culminated our 16-hr Rural Water Supply Operations Seminar that was sponsored and hosted by District 7 Fire Rescue. The drill used three engines and 8 tenders to support an 800 gpm peak flow using four dump tanks and two fill sites. Given ... (Full Story & Photos)

Engine 116 (1500 gpm) works to keep the 800 gpm flow moving.
Engine 116 (1500 gpm) works to keep the 800 gpm flow moving.

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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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