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Rural Water Supply Operations Seminar
Rural Water Supply Operations Seminar

Rural Pump Operators Course
Rural Pump Operators Course

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

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 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

Click on image to view flyer.

 

   
  Maryland    
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No Caption Fire Pumps #04 - Rear Suction Intakes

President Mark Davis, November 07

Rear intakes on midship mount pumpers quite often outperform front intakes simply because of their design and "easy" path to the fire pump. When specifying a rear intake it is important to include the size of the pipe used. In some cases, just saying that you want a 6-inch rear intake will get you 5-inch pipe to the pump and a 5"x6" adaptor for hose connection. Of course, going to 6-inch pipe is ... (Full Story & Photos)

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Hauling Water - Wisconsin Style!

President Mark Davis, October 31

On Sunday, October 27th, folks from the Town of Waukesha and surrounding fire departments participated in our 2-hr rural water supply drill held in a large church parking lot located south of the fire station. The drill was the culmination of our 16-hr Rural Water Supply Operations Seminar that was sponsored and hosted by the Town of Waukesha Fire Department. Six tenders, two engines, and one quint ... (Full Story & Photos)

Three, 3500-gallon dump tanks in use to support the 1000 gpm flow.
Three, 3500-gallon dump tanks in use to support the 1000 gpm flow.

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All ready to go to work!
All ready to go to work!

What's on Your Tanker? #19 - Pre-Rigged Jet Siphon (Wisconsin)

President Mark Davis, October 24

We know that water transfer operations are critical to the success of any large scale water supply operations involving the use of portable dump tanks. The ability to get that first jet siphon in operation is really important when bringing the second dump tank on-line. We don't want to have to dig through compartments on a couple of rigs just to find the parts to make a jet siphon work. During our ... (Full Story & Photos)

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Dry Fire Hydrant Design #30 - Suction Heads Matter

President Mark Davis, October 17

When building a dry fire hydrant system the design of the suction head matters. About one-third of our work involves inspection, testing, and repairing/replacing dry fire hydrants. Often times we are asked to check suction heads that "don't work" and what we end up finding is an under-performing design. The Schedule 40 PVC 90-degree elbow suction head is a very popular design. If choosing this ... (Full Story & Photos)

Too many points for failure.  Probably works fine when installed but the multiple attachment points and leverage placed on the system will eventually cause a problem.
Too many points for failure. Probably works fine when installed but the multiple attachment points and leverage placed on the system will eventually cause a problem.

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2-hr water supply drill is underway.
2-hr water supply drill is underway.

Hauling Water - Alabama Style!

President Mark Davis, October 10

On October 6th, folks from several departments in Montgomery County, Alabama spent the afternoon hauling water with tankers. The drill was the culmination of our 16-hr Rural Water Supply Operations Seminar sponsored and hosted by the Pike Road Fire Department. Saturday morning was spent reviewing the best practices of hauling water with tankers. Saturday afternoon and Sunday morning were spent completing ... (Full Story & Photos)

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Hauling Water - North Carolina Style!

President Mark Davis, October 03

On September 29th, more than 40 folks from the Catawba County region of North Carolina participated in a 2-hour water supply drill that was the culmination of our 16-hr Rural Water Supply Operation Seminar that was sponsored by Catawba Valley Community College and hosted by Sherrills Ford -Terrell Fire & Rescue. Saturday morning was spent in the classroom reviewing the best practices of hauling water ... (Full Story & Photos)

Dumping and running.
Dumping and running.

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Drafting through 100-ft of 6-inch suction hose, a Kochek suction head, 40-feet of 6-inch Sch 40 PVC pipe and a 6-inch horizontal barrel strainer produced a flow of 998 gpm. The lift was 4-ft.
Drafting through 100-ft of 6-inch suction hose, a Kochek suction head, 40-feet of 6-inch Sch 40 PVC pipe and a 6-inch horizontal barrel strainer produced a flow of 998 gpm. The lift was 4-ft.

Drafting Tip #18 - 100 feet of Suction Hose - 998 gpm

President Mark Davis, September 26

Back in 2012 we did some performance testing on the Trident Auto Prime. One of the tests involved drafting through 100-feet of 6-inch suction hose connected to a dry fire hydrant. Using Engine 142, a 1500 gpm QMax pumper from the Winfield Community VFD, a flow of 998 gpm was obtained...once again showing that lift is the "killer" in drafting operations....not the horizontal run of suction hose. Rural ... (Full Story & Photos)

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Tanker Design #2 - Pivoting Dump Chutes

President Mark Davis, September 19

The pivoting dump chute has become quite popular as a means by which the NFPA 1901 dump requirements can be met and a means by which to retrofit older rear-dumping tankers so that they can also side dump. Most of the time there is no issue with the pivoting dump chutes...they work pretty well and meet the NFPA flow requirement. In our travels we get to see a good number of tankers and on occasions ... (Full Story & Photos)

This pivoting dump chute does not clear the 29-inch height of the dump tank.
This pivoting dump chute does not clear the 29-inch height of the dump tank.

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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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