Choosing a liquid storage tank should be easy, right? It's a tank that holds liquid. How much difference could there really be? The truth is, there are pros and cons to all types of tanks, and the only way to choose the best product is to weigh those pros and cons against your needs. Let's examine two of the most popular tanks, the epoxy-coated Columbian TecTank® and the glass-fused-to-steel Aquastore,® to determine which might be right for your application.
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The biggest advantage to choosing an epoxy TecTank® is budget. If you are limited in what you can spend or are willing to spend, these tanks are often the best choice and have a wide variety of applications. They are often ideal for small capacity tanks, as well, because they provide a significant cost advantage over other materials.
The biggest disadvantage to choosing TecTank® is longevity. In many applications, the tank will most likely need to be replaced in 20 years. For leachate tanks and wastewater tanks, the lifespan can be much shorter.
Some utilities and businesses have had poor experiences with TecTank® in the past. However, in more recent years, the technology has evolved to include thicker steel, fewer penetration points and an optimized bolt pattern designed to address some previous weaknesses and customer concerns. TecTanks® can also be expanded, if necessary, as storage capacity requirements change over the years. Though given their shorter lifespan, this option isn't always the most cost-effective over the life of a tank.
Aquastore® glass-fused-to-steel (GFS) tanks have become extremely popular for their durability and long life. The fused coating is ideal for any application but they are particularly effective at holding aggressive liquids like wastewater and landfill leachate, because the coating withstands the chemical attacks that can damage and deteriorate other types of tanks. GFS tanks never need to be repainted, and regardless of what is stored inside, they can be cleaned with a power washer and require very little maintenance. Like TecTank®, Aquastore® tanks can also be expanded to meet changing needs over time.
The number one drawback of Aquastore® tanks is price. They can be significantly more expensive than epoxy tanks, and the upfront costs can be out of reach for many business and utilities. However, it is worth exploring the total cost of ownership over the life of the tank, as maintenance costs are much lower with a GFS and they do not need to be replaced as often.
There is no universal 'right' tank. Before looking into various tank options, assess your business' needs, budget and compliance requirements. Tanks are always evolving, so it's important to get the most up-to-date information'the more details you can gather, the better. Once these specifications are outlined, a reliable partner can help you choose the best materials and find a solution that works for your needs.
In the field of fire protection water storage tanks there are several types of tank options, and some of the most commonly used are corrugated, steel welded, steel bolted, and concrete. We have found that for most projects, the steel bolted design has the most advantages over other types when considering cost, manufacturing quality, field erection time, and product durability.
When it comes to steel bolted fire protection water storage tanks, the experts here at Steven Brown & Associates recommend CST Storage. CST Storage has been an industry leader in the steel bolted storage tank for both dry bulk storage, as well as fire protection water storage.
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Why choose a CST Storage above-ground steel bolted water storage tank over, say, a welded tank or concrete water tank of the same capacity?
The first reason is coatings. With the welded tanks, the quality of your tank coating depends on several factors beyond your control, such as weather, workmanship of the welder or sand blaster, as well as the coatings of each section of the tank. Depending on the humidity and weather conditions, the duration of the tank painting can be delayed, or worse, the quality can suffer in the rush to finish the project. With concrete tanks, you are also at the mercy of the cement mixing. Are there any contaminants present? What about the quality of the concrete itself? Are there any hairline cracks present? It is very difficult to guard against this.
CST Storage above-ground bolted tanks not only have the advantage of superior proprietary epoxy coatings applied to the tank metal, but the application process is done in an environmentally-controlled ISO certified facility. This allows for a clean application process, as well as thorough quality control testing prior to shipment. And speaking of clean, this process is a 'green' alternative to field-welding and field painting, as there are no volatile organic compounds (VOC's) at the jobsite.
As for the coating itself, CST Storage uses a proprietary Trico-Bond EP® electrostatically- applied epoxy coating, which is corrosion-resistant, and has been shown to out-perform competing coatings in the Falling Sand Test (ASTM D-968).
These specialty coatings not only help contribute to the longevity of the tank life, but the bolted tank design itself is the reason for the relatively low maintenance costs when compared to a concrete or welded design. Should a tank section need replacement, it is a simple process. The bolted tank design also allows for future expansion if necessary.
The shipping costs are also relatively low with a bolted tank design. The tank sections are bundled together and shipped in compact form, which protects them from damage during transit. When it comes time to assemble the tank, the process is simple and quick, as CST Storage uses trained erection crews that are highly skilled and knowledgeable about their product.
CST Storage also offers additional services and accessories, such as foundation design, tank heaters and insulation.
All of these qualities are the reason CST Storage remains an industry leader in above-ground fire protection water storage, and the recommended choice for Steven Brown and Associates. Call us today for more information through the number below.
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