Got Big Water

Rural Water Supply Operations Seminar
Rural Water Supply Operations Seminar

Rural Pump Operators Course
Rural Pump Operators Course

Command for Small Town FDs
Command for Small Town FDs

Water Supply Officer Seminar
Water Supply Officer Seminar

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

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

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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 40 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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Fire Pumps #02 - Tank Fill Line -2"Too Small?

President Mark Davis, September 15

A tank fill line on a pumper is generally not an issue until you decide to use that rig to haul water in some type of water shuttle operation. "Our" definition of a pumper is a rig that carries water but can only off-load it by pumping it off and can only load by taking water back in through the pump. In other words...no dump chute and no direct fill line. By NFPA standard, pumpers with water tanks ... (Full Story & Photos)

A 2-inch tank fill line. No problem for every day attack engine operations. Not so good for water hauling operations.
A 2-inch tank fill line. No problem for every day attack engine operations. Not so good for water hauling operations.

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This inlet screen is in bad shape and needs to be replaced.  The cathodic corrosion is causing the screen to fail which will allow pieces of the screen to be sucked into the pump.
This inlet screen is in bad shape and needs to be replaced. The cathodic corrosion is causing the screen to fail which will allow pieces of the screen to be sucked into the pump.

Fire Pumps #01 - More Than Just a Screen

President Mark Davis, September 08

The inlet screen on a fire pump's suction inlet does more than just keep debris from entering the pump. The inlet screen can provide cathodic protection by serving as a sacrificial anode in an effort to reduce galvanic corrosion. Galvanic corrosion occurs when dissimilar metals contact each other. In a fire pump, the dissimilar metals are also affected by the water that is present which electrically ... (Full Story & Photos)

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A Bit of Creativity #01 - Wentworth, NH

President Mark Davis, September 01

During our work last year in Wentworth, New Hampshire we came across a "bit of creativity" during the 2-hr tanker shuttle operation. The folks had made a device out of PVC pipe so that pumpers could pump off their tank water into a dump tank without blocking up traffic at the dump site. It was nothing fancy and it worked. You do have to use caution with pressurizing plastic pipe, make sure that ... (Full Story & Photos)

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4,000 gpm - South Texas Style!

President Mark Davis, August 25

We completed our annual, 40-hr Pump Operator Course today for the folks at the Refinery Terminal Fire Company in Corpus Christi, Texas. This was our 21st year - quite impressive. Students spent the week split between classroom and practical activities learning about the operation of industrial foam pumpers. The program addressed many of the requirements set forth in NFPA 1002 while at the same being ... (Full Story & Photos)

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Dry Fire Hydrant Repair & Maintenance #02 - Paint Before Glue Creates a Problem

President Mark Davis, August 18

A couple of years ago we were contracted to repair a dry fire hydrant at a quarry in New Windsor, Maryland. The dry fire hydrant had been damaged during the winter months - most likely from a snow plow. The head was completely missing and needed replacing. Upon further examination, it looked like the pipe was painted first and then the suction head glued onto the pipe during the initial installation. ... (Full Story & Photos)

A missing suction head called for the repair of this dry fire hydrant.
A missing suction head called for the repair of this dry fire hydrant.

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Because the installation did not disturb the stream bottom or wetland area, no special permitting was needed.
Because the installation did not disturb the stream bottom or wetland area, no special permitting was needed.

Dry Fire Hydrant Design 05 - Wall Mount - Carroll County, Maryland

President Mark Davis, August 11

Earlier this summer we completed the installation of a wall-mounted dry fire hydrant in Carroll County, Maryland. The installation used a modified version of our saddle mount bracket design and required no drilling into the concrete wall. We used a Kochek 6" low level strainer and because the stream bottom was not disturbed, no special permitting was needed. Because of the location of the suction ... (Full Story & Photos)

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Dump Site Operations #13 - Water Transfer Operations...Accessing Dump Tank Capacity

President Mark Davis, August 04

When transferring water from one dump tank to another, the goal is to access as much capacity in both dump tanks. For example, using a simple, two-dump tank operation with a 3,500-gallon primary tank and a 3,000-gallon peripheral tank...the goal of the operation is to be able to access and transfer as much of that 3,000 gallons of water as possible. The ability to transfer that water to the primary ... (Full Story & Photos)

A jet siphon, some pressure, and a little bit of patience illustrated the power of the venturi principle in Onondaga County, NY a few weeks ago.
A jet siphon, some pressure, and a little bit of patience illustrated the power of the venturi principle in Onondaga County, NY a few weeks ago.

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Fire Hydrant Operations #02 - Maximizing Flow

President Mark Davis, June 30

Large scale water supply operations involving fire hydrants require the ability to maximize a fire department pumper's access to the available water. This generally means taking in water from every available hydrant outlet nozzle and using LDH whenever possible. A typical set-up, called a "heavy water hook-up" in some areas of the country uses some type of "hydrant assist" valve on the main outlet ... (Full Story & Photos)

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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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