Do you know how to maintain your water chillers and ensure they are operating at peak performance? Here are few ways that can help you ensure high efficiency.

Keep a Daily Log – Keeping a daily log is one of the most effective ways to maintain your commercial water chillers. Write your daily operations and operating conditions, such as temperatures, pressures, fluid levels, flow rates, etc., and start building a history of your chillers. The highly advanced remote monitoring technologies can help you inspect your equipment regularly, eliminating the need of monthly check ups. And since it will help you identify any maintenance need, you can deal with it before it becomes a major problem.

Have the Tubes Clean – Since the transfer of heat is the most important performance factor, you must have the tubes clean. The tubes may contain a variety of contaminants that can increase the thermal resistance and impact the performance of your commercial water chillers. Therefore, check the tubes regularly and keep them clean by brushing them on yearly basis or according to your maintenance schedule.

Install Variable Speed Drives – As aforementioned, commercial water chillers are the largest electrical load in most plants. This means they consume a lot of energy to work properly, which is something you want to avoid. To save on energy by increasing the motor efficiency, you should use variable speed drives. These drives also decrease the inrush current for start-up of the motor.

Maintain a Suitable Refrigerant Charge – The amount of cooling commercial water chillers provide depends on how much refrigerant they move through the compressor. Maintaining a proper level of refrigerant for particular conditions is very important for the performance of chillers. If there is a refrigerant leak or some moisture or air in the system, the efficiency will decrease. Also, the chillers will work harder for less cooling.

Treat Condenser Water – The condenser water that uses open cooling sources requires some treatment in order to eliminate scale or corrosion. Treating the condenser water is very important, because any kind of condenser-related problem can decrease the effectiveness of commercial water chillers. Check the chiller water loops annually with remote monitoring for water quality improvement and increased efficiency.

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It takes a great deal of preparation to become a skilled musician, and talent is not the only requirement. To be able to do all the practising and performing, musicians rely on their instruments. While you spend time looking for the right instruments for you with all the specific features and accessories and all the additional audio equipment you need, it is important to consider the type of storage you need. Whether you are practising in the basement or throwing a gig, it should be your number one priority to provide all the right storage cases for each of your instruments. With so many choices available out there, the question is – which one to choose? Since you will come across a variety of storing products, you can ease your purchase by looking for storage boxes online; not only you will save yourself the time, but you will also be able to read through the detailed catalogues and find your perfect fit.

You can find your storage boxes online and make the most of the investment when you consider certain matters such as the material they are made of, their size as well as your budget. Even if you are an amateur, buying a storage box is a must having in mind you love your instrument. Regarding materials, the usual types that can be found are soft types of cases, for example those made of nylon which are very easy to carry and come at affordable prices. Though they might be durable, they are not that practical when thinking long-term. Hard cases, with a sturdy exterior and padded interior, are perfect for storing and you will not have to worry about sudden drops and breaking accidents. A polyethylene-based storage box, waterproof, resistant to corrosion and UV exposure can withstand any kind of condition and still keep your valuables safe. Hybrid cases are a combination of both with lightweight and durability properties.

The size of the storage cases is directly related to the amount of your audio equipment. In case you are having gigs in many places or you find yourself on the road often, it is best to acquire the right box for every bit of your gear. Certain cases are strictly meant for instruments only, having the shape of the very instrument, for instance, a guitar. Other types have more storage capacity to fit all the microphones, headphones, speakers and CDs, whereas amplifiers, PA systems and mixers require more space. When travelling, it is a no brainer you need the best you can get for optimal protection of your audio equipment. Regardless of your budget, it is best to invest in quality storage boxes, even if your available funds do not allow for much, you can still find affordable products for your needs. Investing in the right storage boxes for your instruments is certainly much better than frequently repairing your instruments or let alone replacing them – that way you’d spend a fortune. Think about it.

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Even if no one gets injured in a bus accident, the result is extremely expensive repairs. Regardless of whether you are traveling the country with passengers or transporting kids to and from school, knowing that your bus is in good condition is important. Even if you are not the driver but the owner, you are responsible for maintaining the bus. Here are few simple ways that can ensure your bus is safe and operating at peak performance.

Daily Inspections Done by the Driver – The most important think you can do to ensure peak performance and superior safety is to have the driver check the bus on a daily basis. Even though the bus has probably been checked by a team of mechanics, a quick re-check by the driver certainly will not do any harm. Train the driver or yourself (if you are the operator) how to do daily inspections and to ensure the bus is roadworthy before every trip. Indeed mechanics are experienced and rarely make major mistakes, but they are not exempted from making mistakes. Bus accidents can be prevented only by making sure the engine and all other parts are working properly. Besides the engine, check the brakes, the air conditioner and the steering wheel to keep your passengers safe and comfortable.

Clean the Bus Interior – The bus interior may not be so important for the performance of the bus, but it is certainly important for your business success. There are passengers who will not tolerate a smelly environment or trash and garbage. Therefore, you should keep your bus interior clean and shiny. Take carpets out to air them to get rid of the dust. You can also vacuum carpets and wash them once a month with a detergent. Also, make sure you clean and disinfect the seats and the handles to keep the interior of your bus in superior condition.

Inspect the Entire Bus – Before going on a trip, either short or long distance, inspect the entire bus and make sure everything is working properly. One of the most important things you must check is the gas level, since running out of gas in a middle of a highway is something you certainly do not want. Next, inspect the exterior. You certainly know how to. Check the brakes to ensure the safety of everybody on the bus. If you maintain your bus properly, there will be no need to buy a bus any time soon.

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The compaction process provides the following:

• maximizes the amount of the weight that is going to be put on top of the soil
• prevents any frost damage
• minimizes the contraction of the soil and also the swelling of the ground

Several methods can be used for determining the degree of compaction that is needed. The most commonly used ones are:

Lab Analysis

To determine if the soil needs to be compacted, soil samples are tested and analyzed in a lab. One particular and widely used lab test for soil compaction is the Proctor Compaction Test. In this test, the soil is compacted at various moisture levels. There are two Proctor tests that are used: The Standard Proctor Test and The Modified Proctor Test. The standard proctor test is generally used for the construction of small parking lots, sidewalks and residential buildings. The modified proctor test, on the other hand, is used for the construction of large projects such as highways and airport runways.

Field Compaction

Field compaction of the soil is generally accomplished by using different types of soil compactors. The three most commonly used compactors are: sheep foot roller compactors which are used for clay and silty soil, smooth drum roller compactors used for granular soil, and vibratory roller compactors which are also used for granular soils. Several important factors can affect the degree of compaction that is needed such as moisture level of the soil and the depth of the fill. Usually, a percentage of optimum compaction is given to the construction engineer and this percentage is known as the Relative Density or R% which ranges from 90%- 95%.

Field Analysis

Determining the degree of the soil compaction which is needed for particular construction project is essential for getting the relative compaction of the soil. The most commonly used field tests for soil compaction are: Sand Cone Method, Drive Tube Method and the Nuclear Method. All three field tests provide very accurate results for determining the degree of soil compaction that is needed. 

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