(Pumps)
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Whether expected or unexpected, groundwater on a construction project can become the single largest cash drain of the project, regardless of whether the project is a pipeline or a building.... (View Full Article)
(Pumps)
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There are many reasons to rent for your pump needs. Perhaps these tough economic times demand a less expensive investment, or maybe job duration doesn't warrant the cost of new equipment. Regardless... (View Full Article)
(Environmental Services)
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During the past 20-plus years, the sewer bypass equipment and methods of installation have undergone a steady evolution; today, automatically controlled pumps are the trend.... (View Full Article)
(Pumps)
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When determining a pump for an application, there are a number of factors to consider. Among them are flow requirements, head conditions, suction requirements and dimensional limitations. Hydraulic... (View Full Article)
(Environmental Services)
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Soil erosion isn't just a problem for farmers, Niagara Falls and the Grand Canyon. Most construction projects have to contend with the effects of water on excavations-not only as a consequence of... (View Full Article)
(Pumps)
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When determining a pump for an application, there are a number of factors to consider. Among them are flow requirements, head conditions, and suction requirements. While the five pumps in this photo... (View Full Article)
(Environmental Services)
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With the project upcoming infrastructure work on the horizon, many problems will arise in trying to do work around existing buildings, roads, and other structures. Billions of dollars in Federal Aid... (View Full Article)
(Pumps)
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As our sewer infrastructure continues to crumble, rehabilitation is needed to keep it up and running. With Griffin non-clog pumps, contractors can bypass sewage during sewer line repairs - getting the... (View Full Article)
(Environmental Services)
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Bucket drilling was designed specifically for drilling in all types of soil below the groundwater level. Opening the rotating bottom of the bucket is automatic or manual-operated device. The rotating... (View Full Article)
(Pumps)
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A large clean-out port on Griffin pumps enables hassle-free removal of large debris Benefits include: minimal time for inspection, single person operation, easily accommodates inspection/cleaning of... (View Full Article)
(Pumps)
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Griffin was hired to provide a workable dewatering plan to facilitate the "facelift" of a swanky mall in Palm Beach - all while maintaining a low profile to accommodate everyday mall business.... (View Full Article)
(Pumps)
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Tips for Operation and Maintenance of a Submersible Pump.... (View Full Article)
(Pumps)
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On April 29 2011, Houston-based Griffin Dewatering Corp. began pumping 15 million gallons of water from the site. It also used 42 10-in.-dia, 75-ft-deep wells outside the dam perimeter to lower the... (View Full Article)
(Environmental Services)
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Engineering and installing methane gas extraction wells requires expertise that virtually all owners contract out. Here's what these specialty contractors do and why.... (View Full Article)
(Pumps)
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Tunnels and tunnel shafts present unique problems when dealing with groundwater. Surface access is always the critical issue and forms the basis for selecting tunneling as the excavation method used... (View Full Article)
(Pumps)
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Florida utility chooses new pump system to withstand storms.... (View Full Article)
(Pumps)
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With 75 percent of the $45-million, three-story Pier Wisconsin project in Milwaukee being constructed over Lake Michigan, much of the project will be built on piles embedded in the lake bottom. The... (View Full Article)
(Pumps)
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Your supplier should then make a determination of what fits best. After there is some understanding of the problem at hand, the choice of a pumping system can be made. Your vendor will determine the... (View Full Article)
(Environmental Equipment)
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The mixing vault consisted of a below grade concrete sump into which the groundwater was pumped from the dewatering wells. A metering pump dispensed the neutralizing agent into the effluent based on... (View Full Article)
(Pumps)
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When applying the liquid principals of science to their pumping projects. Engineers, maintenance personnel, construction crews, utility contractors, municipal folks and even some homeowners should all... (View Full Article)
(Pumps)
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Vacuum-assisted, non-clog centrifugal pumps are the most commonly used pumps for bypasses, because they are capable of handling large amounts of liquids and solids and have an air-handling capability.... (View Full Article)
(Pumps)
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Tom Minihan, vice president of Griffin Dewatering Midwest, L.L.C., said Griffin's innovation and ability to handle tough jobs has allowed the company to be successful for so many years. Minihan has... (View Full Article)
(Pumps)
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A construction project may use one or a combination of the dewatering systems described in this article, as some project's sub surface soils can vary greatly and require the use of multiple systems.... (View Full Article)
(Environmental Services)
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For drilling with the bucket rig, groundwater must be at least 8-10 feet below existing grade or the drill rig needs to be ramped up to achieve 8-10 feet of head, which in some cases may require a... (View Full Article)
(Pumps)
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In an emergency pumping application, it is unlikely that the best-suited equipment will be in place for the situation. It is sometimes necessary to determine how to make available equipment meet the... (View Full Article)
(Environmental Services)
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In rehabilitating existing sewer lines, typically the flow of sewage cannot simply be diverted; it must be "bypassed"-or temporarily pumped around the pipe being repaired or replaced. To do this,... (View Full Article)