Pumping World News Blog

USACE SWAT TEAM - Focus on Flooding

Posted by Elizabeth Kaiser on Thu, Nov 15, 2012 @ 15:11 PM

By Laura M. Fleming, SRS Crisafulli President/CFO

As a company whose core technology was inspired by Eastern Montana’s need for flood irrigation pumps, the transformation of Crisafulli's PTO-powered trailer pump to a Flood Fighting tool is an All-American (plus immigrant) legend.

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We are particularly proud this week of the Flood Fighters of the US Army Corp of Engineers (USACE), our friends from Rock Island, Illinois, who deployed to combat the effects of Hurricane Sandy floods in the subways and tunnels of Manhattan.  As featured in the Wall Street Journal, the team used dry-prime pumps manufactured by our colleagues at Xylem, Gorman-Rupp, Franklin Electric and Andrew Sykes Group to dry out the tunnels.  Governor Cuomo praised the USACE’s Flood Fighting SWAT team. 

According to Design Engineer Isaiah Helm, the Crisafulli trailer pumps, particularly PTO-powered  trailer pumps, which the USACE has purchased in quantity, are deployed in smaller cities and rural areas throughout the country. In these areas, tractors are readily available and it’s easier to access the water, so the power take-off advantages can be utilized. 

Here are several examples of how the USACE recommends or utilizes Crisafulli pumps:

As we pause for a moment to reflect on the PTO (power take-off) feature of our core product, we tip our hat in appreciation to International Harvester’s pioneering work installing a PTO on their production tractor in 1920.  Who can calculate the total benefits of the power take-off feature, which allows accessories such as the Crisafulli Trailer Pump to draw energy from the tractor engine? 

We end this week's blog with a visit to the U.S. Army Corps of Engineers, New England Facebook page - where we found a great photo of portable generators from one of our favorite vendors:  Baldor!

Baldor Generators resized 600

“Generators from small to large are being serviced and tested as power is restored to areas of New York and New Jersey that were hit hard by Hurricane Sandy. As power is restored and the generators are no longer needed by municipalities, they are being routed to Joint Base McGuire-Dix-Lakehurst so they can be sent back to their owners. The New England District has several people deployed to the New Jersey Recovery Field Office, Lincroft, New Jersey, to help with FEMA mission requirements and as part of the Federal disaster response team.”

Topics: crisafulli, pumps, Xylem, USACE, US Army Corp of Engineers

The Many Costs of a Clogged Pump

Posted by Elizabeth Kaiser on Wed, Feb 22, 2012 @ 09:02 AM

By Isaiah Helm, SRS Crisafulli Applications Engineer

Clogged Pump
 Photo:  wef.org

In the February 2012 issue of Water Environment and Technology Magazine is an article titled “A solution for clogging pumps”, by Mike Gerszewski and Jim Fischer.  If you are looking for an answer to your high-heeled wooden dancing shoe problems, it’s not very helpful.  If you are looking for a case study in the costs related to plugging lift station pumps, it’s definitely worth a read.

The Village of Hartland, Wisconsin had frequent problems with debris clogging its sewage lift stations.  Three or four times per week at random times during the day workers were called to unclog a pump.  A staff of six operators was kept on hand to respond to those calls.  Unclogging each pump took at least four man-hours and was obviously not a fun task. 

Ultimately the village discovered a new style of pump that could handle the debris without clogging.  As expected, the solution eliminated the clogging problem and the associated maintenance costs.  An added, unexpected cost savings was a 60% average reduction in energy usage.  Debris getting stuck in the impeller had dramatically reduced the pumping efficiency in the original lift stations. 

The pump selection process considers many factors.  Debris in the material to be moved must also be one of them.  A lift station that cannot handle everything it encounters is not truly operating at its “best efficiency point.”   


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Topics: crisafulli, pumps