elevated water tank Articles
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570,000 Gallon Aquastore CE Tank Helps Improve Service
Engineering America, CST Storage Channel Partner completes installation of Aquastore® composite elevated storage tank for the Public Wholesale Water Supply District No. 4. The water district sells water to other water districts and municipalities, and is located just north of Altamont, Kansas. Ken McNickle, Manager for the water supply district said the tank that sits on top of the concrete ...
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A robust approach based on time variable trigger levels for pump control
An approach for the control of a pumping plant feeding a tank at the inlet of a water distribution system is presented. The approach is aimed at minimizing the energy costs by maximizing pumping during off-peak electricity tariff periods. It is based on trigger levels which are variable during the day according to a prefixed pattern in order to ensure that the water level in the elevated tank ...
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Active Mixing In A 500K Gallon Elevated Tank - Case Study
Stagnation and temperature stratification issues eliminated. Topics: 500,000 gallon elevated tank, stratification, stagnation, water age System Overview: This is a small municipal system serving ~3,000 people via 1,300+ connections. Their source water is from a local river. Disinfectant Type: Chloramine Tank / Reservoir Build Information: Tank Type: Elevated Storage Tank Construction: ...
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Development and application of the anarchic society algorithm (ASO) to the optimal operation of water distribution networks
Optimizing the design and operation of urban water distribution networks (WDNs) is a complex, nonlinear problem. The optimization of WDNs can be performed for the pumping schedule, the location and elevation of reservoirs, the physical characteristics of pipes, and the placement of pressure-reducing valves, among other objectives. This study applies the anarchic society optimization (ASO) ...
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Langs Crossing Tank – Farmville, NC – Greene County - Case Study
Caldwell used over 350 tons of steel and over 1,000 cubic yards of concrete to construct these two 1,000,000 gallon CETs at two separate sites under this one contract for the Town of Farmville. Caldwell's performance on this project was outstanding as exhibited by our ability to expediently design the foundation and steel components of the project, order material, install the foundation, ...
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Federal Correctional Facility – Aliceville AL – Pickens County - Case Study
Caldwell is pleased to have teamed with Caddell/Yates Joint Venture of Montgomery, AL as part of the construction of Alabama's first federal prison for female criminals. The 1,400-inmate facility is expected to be an economic boom for Pickens County and the surrounding Black Belt communities. Caldwell constructed this tank utilizing over 305 tons of steel and 200 cubic yards of concrete. ...
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Water depth effects on initial dilution of horizontally discharged cold water from an elevated outfall
In this study, the effect of bottom depth interaction on initial dilution differences of cold water discharge was experimentally investigated. 5°C cooled and dye tracer added cold water were horizontally discharged from a submerged circular nozzle from an elevated position into a stagnant and homogeneous receiving water in an experimental tank. Minimum initial dilutions were measured in cold ...
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Automatic control valves: how to assess ACV applications
As automation and computers claimed a foothold in the operation and control of reservoirs and elevated water tanks, the industry moved the valve control from mechanical automatic control valves (ACV) to actuated butterfly and ball valves. The primary reason? Actuators can be controlled by SCADA systems, which have been almost universally implemented in modern water systems. Because of this, ...
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Isla Del Sol Drive – Galveston, TX – Galveston County- Case Study
In Spring 2009, Galveston City staff submitted an application for federal stimulus money for multiple "Shovel-ready" projects. This Isla Del Sol water tower project was approved along with the Jamaica Beach water tower, a 16-inch water line for 13 Mile Road to Jamaica Beach, and a few other projects. This tower project went out for bids on November 17th, 2009 and on December 10th 2009, Galveston ...
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Keeping Tanks Online and Divers Out of the Water
Huntley’s Sub Aqua Construction brings piece of mind to customers with regular and efficient mini remotely operated vehicle inspections Huntley’s Sub Aqua Construction (HSAC) is a commercial diving company based in Kentville, Nova Scotia, Canada. Operating since 1994, HSAC recently added a Deep Trekker mini remotely operated vehicle (ROV) to their team to improve potable water and ...
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Reservoir & South tower - Case study
Topics: potable, stratification/water age, chloramine, short-circuiting, ice buildup, nitrification Overview: The Reservoir is a 2 MG underground storage reservoir (122' x 182' x 13.5' high) that typically holds about 1.5 MG at about 8' deep. Together with a 1 MG plant reservoir they serve the potable needs of about 8,000 residents. The combined reservoir systems service two 0.5 MG elevated ...
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GS Series Tank Mixing, Short-Circuiting, Stratification, Chlorine Residuals, Ice Mitigation (ID195) - Case Study
Topics: Potable, ice buildup, stratification/water age, short-circuiting, chlorine Overview: This tank is an elevated single pedestal, welded steel pedisphere. The height of this tank is 110 ft. and diameter is 30 ft. This tank has a capacity of 100,000 gallons. This system meets the potable needs of this community of approximately 789 residents. The water comes from two groundwater wells, each ...
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City of Galveston Case Study
The City of Galveston Uses PIPEMINDER Pressure Monitors to Revitalise System and Improve Resilience For The City of Galveston, the summer of 2022 marked the biggest vacation season since before the pandemic, ballooning the island’s population from 50,000 to 250,000 from May to September. While the volume of water was not a problem, the City’s water utility struggled to get water to ...
By Syrinix Ltd
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Small town SCADA yields big-time results - Case Study
Rural county now able to monitor & control pumps, gather valuable data in real time Marlboro Water Co. (MWC) is a small water utility nestled in the Pee Dee area of South Carolina, a region rich with natural resources—including freshwater streams, forests dense with hardwoods and abundant wild game. MWC acquires water from the Middendorf Aquifer, which supplies five groundwater wells ...
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Texas 2021 Deep Freeze: War Stories from the Water Utility Frontline
What happened in Texas last week? Texas is no stranger to natural disasters. However, this recent winter storm was a perfect confluence of events that brought Texas’ critical infrastructure to its knees. Peak energy demand outstripped supply as power generation was crippled by record low temperatures, resulting in state-wide rolling blackouts for days. Water utilities went to war with ...
By SWAN Forum
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