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Air Handling Units and Its Important Components

Posted on February 16, 2018 By In Inustrial News , maintenance With no comments

Air handling units, or AHU, are essential to heat or cool the atmosphere. All air conditioning systems, heaters and ventilators have AHU to condition and purify the atmosphere. These units have a number of important components which have specific functions. There are various types of air handling units which include the terminal units or the small units, large AHU and packaged units.

Functions of Different AHU Components

Different components are included in the AHU which are essential for the smooth functioning of these units.

Filters: The most important element in the AHU includes the filters which are mainly used to clean and filter the atmosphere. Filters are essential to condition the atmosphere.

Blower: Another important component includes the blower which helps to recycle the air present in the building. Blowers collect the air from the building; it is then conditioned and released back into the building through ducts. It is either cooled or heated according to the different requisites. Large commercial buildings with huge AHU have many blowers for better and efficient performance.

Mixing chambers: The mixing chambers in the AHU absorb air from the outside and exhaust it from the interior of the building with the help of dampers. This helps to condition the atmosphere more quickly and efficiently.

Conditioning elements: Different conditioning elements are present in different types of AHU. Cooling coils are present in the air conditioners and hot coils are used in heating systems. The various conditioning elements include steam, hot water and cold water.

Humidifiers: One of the most essential components present in the AHU includes the humidifiers which help to control the level of humidity in the atmosphere. Constant level of heating can cause the atmosphere to become dry in cold places. This can result in severe discomfort which can be prevented with the use of humidifiers. Different AHU units have different types of humidifiers and vaporizers.

Vibrator isolators: Most of the AHU are prone to vibration and high level of noises while functioning. The vibrator isolator helps to reduce unwanted vibration and noise emancipating from the unit.

Pressure control devices: There are various dust pressure control devices which controls the speed of the blowers.

Other Important Devices

Various other devices are used to augment the performance level of the AHU. Different types of AHU are available for various purposes. It can be installed in large commercial buildings and homes according to the availability of space. These units are available in different sizes. There are packaged units which are available in small compact sizes. It can be moved around easily in rooms. As these units are small, it is less efficient and can be used to heat or cool small areas.

The mini cabinet fan is another variety of the AHU which can be installed on the ceilings of the rooms. Ample amount of space can be saved with the installation of these units. Various air pollution control devices are also available in the online markets at reasonable price rates. All these units can be obtained in different sizes to suit large and small spaces.

Source by Vaiv Jais

Pneumatic Air Tools Used in Car Projects

Posted on February 16, 2018 By In Inustrial News , maintenance With no comments

Today, going vintage / classic seems to be the way to go. Yes, brand new cars look great but somehow nothing could beat the charm and the allure of a vintage car. No wonder people are deciding to get their old beat up classic Volvo or Mustang from their garage and bringing it to professionals in order to have it restored. And I can assure you, all of them use pneumatic air tools!

Car companies are no longer producing such models so why not have the old ones fixed and be the king of the road as you drive by people and other cars. Surely, your car will be a head turner – but it would require a lot of work from the engine all the way to its exterior. Good thing that there are pneumatic air tools to make sure that your old car looks absolutely new and road worthy.

Having your car restored is easier said than done. The engine alone would take time but just as important as your road safety is the overall impact. Naturally, you would want the body of your car fixed as well and the way to do this is to either remove the previous paint if the condition is already too bad or you can have it painted over. This is when you will need pneumatic air tools. For those who would want it done from scratch, using an air sand blaster cabinet is a must. In fact, there are so many tools that are needed so here is an overview of some of them.

To repair certain spots of your car, these are some of the pneumatic air tools that you will need. A spot air sand blaster, for instance, is necessary. That way, you do not have to hit areas that are fine. There are several sand blaster options too. There is the 20 gallon air sand blaster with ceramic tips and the 5 gallon air sand blaster. That way, you can use the sand blaster that is perfect for your need.

Of course, there are hose reels to keep your air hose in control. It can reach up to 50 feet.

There is a composite air sand blaster, the air air impact wrench, the reverse air drill, the air body saw – needless to say, all of them utilize air to help bring your car to full restoration.

The pneumatic air tools may not look like much but in the hands of a person who knows how, the tools can create wonders and your car will run as good as new while maintaining that charming vintage / classic look.

If you have a car out there that you think is worth restoring, get some pneumatic air tools and go for it! Why buy a new car when you can have yours up and running in tip top condition. You will travel down the road and take your car out for a spin in style too. With a little help from pneumatic air tools, this is possible.

Car restoration is the best way to go. Why not be among the few who will give it a whirl?

Source by ET Carlin

Eye-catching plants that live on air

Posted on February 16, 2018 By In maintenance With no comments

Imagine creating a vertical garden where the plants grow without any soil, just in the atmosphere? One of the botanical oddities of the plant world, air or sky plants – as they are referred to – is making a big splash in the gardening scene worldwide. These are one the most amazing plants in nature that require no soil or water directly.

Green house

A little corner in the green house of the Biodiversity Park located at RCD Hospital premises in the city houses these wonders.

Hailing from the wilds of Central and South America, the Southern United States and West Indies, these plants in the genus Tillandsia have the remarkable ability to absorb all the water and nutrients they need from the air.

Six species of these rare and interesting plants were recently procured from Kalimpong and Kozhikode. Clustered on rocky surfaces and a few clinging on to vertical wooden poles at the Biodiversity Park, these plants instantly arrest the eye and would make you wonder how on earth plants can thrive in the air!

“They are epiphytes, a species that live on other trees but are not parasites and non-invasive. These plants develop roots only for attachment on other surfaces,” said M. Rama Murty, founder and president of Dolphin Nature Conservation Society, an environmental organisation maintaining the park in association with the Visakhapatnam Urban Development Authority.

Here, the four plant species are Tillandsia stricta, T. usenoides (spanish moss), T. juncea, T. bulbosa, T. ionantha and T. caput-medusae.

These perennial exotic flowering plants live in the forests, mountains and deserts and have naturally been established in diverse environments such as equatorial tropical rain forests, high elevation Andes mountains, rock dwelling (saxicolous) regions, and Louisiana swamps, such as Spanish Moss (T. usneoides), a species that grows atop tree limbs.

“In our Biodiversity Park, we are rearing them in the green house with filtered sunlight and periodically misting or spraying RO water, simulating forest environment with at least 60-70 % humidity,” Mr Murty said. Among the six species at the park, the Tillandsia caput-medusae is one of the most beautiful, unusual plants with an obvious bizzare and fuzzy look.

“It is commonly called as octopus plant or Medusa head, named after the Greek mythological monster. It has thick tapering twisted leaves, project up and out from a bulbous base,” he said.

“It’s a low maintenance plant. The sky is the limit when it comes to placing them creatively at home. And when it blooms, it’s an eye catcher,” says Ram Murty. It’s easy to clean them up and play with fresh placement without a speck of dirt to clean up later.

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Hydel power plant to be functional soon

Posted on February 16, 2018 By In maintenance With no comments

The Thiruvananthapuram Corporation will soon commission a 20-kW micro-hydroelectric plant at Kanjirampara.

Convening the council meet held on Thursday, Thiruvananthapuram Mayor V.K. Prasanth said the project that was undertaken by the Energy Management Centre near the Kaduvetti bridge, constructed across the Kili river in the Kanjirampara ward, was likely to be completed by May.

Touted to be the first such project to be implemented by a panchayati raj institution in the country, it was being undertaken at an estimated cost of ₹40 lakh.

Two 10kW-generators had been installed at the plant that would be handed over to the Thiruvananthapuram Corporation free of cost, following which the civic body would be required to supervise its maintenance, the Mayor said.

To be fed to grid

“A meeting that was chaired by the Chief Secretary had decided that the power generated by the plant would be fed into the KSEB grid on the basis of a power purchase agreement. The hydroelectric plant will result in long-term savings for the Corporation,” he said.

The council also ratified a prior agreement to establish a statue in memory of former President A.P.J. Abdul Kalam on the premises of the Vikram Sarabhai Space Centre (VSSC).

The Corporation has been issued permissive sanction to construct a park on a plot of 19.5 cents under the Green Space and Parks component of the Atal Mission for Rejuvenation and Urban Transformation (Amrut) scheme at an estimated cost of Rs. 5.36 crore.

The corporation has been accorded permission to undertake the beautification and maintenance of the plot for 10 years, Mr. Prasanth said.


The corporation approved a proposal to construct skywalks near the St. Mary’s School, Pattom, and Government Girls’ Higher Secondary School, Cotton Hill.

However, the decision to hand the project over to the private agency, Sun Infrastructure Pvt. Ltd., was objected by the Opposition BJP councillors, who alleged that adequate discussions had not been taken in the issue.

However, the Mayor dismissed such allegations and said that several discussions had been conducted prior to finalising the implementing agency.

R. Satheesh Kumar, chairman of the Corporation’s town planning standing committee, also said that the local body will have no financial burden in the project and that demonstrations had been conducted by the agency at the Corporation office in the presence of the officials concerned.

The Corporation will also establish a skywalk at East Fort on the basis of approval of the heritage committee.

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Lenawee County board OK’s one job request, tables 2nd – News – The Daily Telegram – Adrian, MI

Posted on February 16, 2018 By In maintenance With no comments

ADRIAN — Lenawee County commissioners on Wednesday approved adding an assistant prosecutor position to the prosecutor’s office but tabled a request for a new employee for the drain commissioner’s office.

Drain commissioner Jenny Escott requested a new utility operator to be based at the Central Lenawee wastewater treatment plant on Deerfield Road and to work on water and sewer systems in Adrian, Fairfield, Madison, Palmyra, Raisin and Riga townships. It was approved 9-0 Tuesday by the county board’s personnel/ways and means committee, but Madison Township Clerk Terry Etter on Wednesday questioned the cost of adding the position. He said the township just recently raised its water and sewer rates and did not want to have to raise them again to cover the cost of the new position, whose pay is entirely covered by the sewer rates paid by users of the plant’s system. Etter offered to have township public works employees help with maintenance at the Central Lenawee plant.

Escott was not at Wednesday’s meeting, but in her request for the position, she wrote that another operator is needed due to the aging system requiring more maintenance and in anticipation of the new hospital in Adrian Township being added to the county’s wastewater system. The union position has an hourly pay rate of $17.4634, or $36,323.87 a year, plus benefits.

The commission voted 9-0 to send the request back to the personnel/ways and means committee for further discussion.

The new assistant prosecutor will be assigned to district court arraignments, the Economic Crimes Unit, and to Adrian and Clinton municipality cases. At a special county commission meeting last month, prosecutor Burke Castleberry said he was going to request this position regardless of the county entering into agreements with Adrian and Clinton to handle their ordinance prosecutions because of an increased caseload.

This full-time position has an annual salary of $57,388.89 plus benefits.

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Spring street maintenance to begin in Savage | Savage Pacer

Posted on February 16, 2018 By In maintenance With no comments

It may not feel like spring just yet, but over at the city of Savage, spring street maintenance will begin soon.

Every time water gets into a crack and then freezes, then the crack expands by almost 10 percent, according to a news release. Because of alternate freezing and thawing in winter and spring, the city is anticipating potholes will form on roads and streets. It will patch those potholes as weather permits, according to the release. That will continue through April.

Street sweeping will begin in the first part of April. The sweeping process cleans city streets, parking lots, medians and city-maintained sidewalks. Debris, dirt and sand from winter get cleaned during the sweeping. In the spring and fall, city streets are swept curb to curb, according to a news release. This is part of the city’s storm water pollution prevention program.

The city advises that residents shouldn’t push leaves, grass clippings or anything else onto city streets. It is both against the law and bad for ponds and streams, officials said. What goes into a storm drain flows into lakes, creeks and rivers. Decomposing plant material in the water then leads to growth of harmful aquatic plants and algae. 

If you have questions, the city advises residents call Assistant Public Works Director Trent Jutting at 952-224-3404 or email him at

And if you have a pothole to report, the Public Works Department can be reached at 952-224-3400.

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Antrim sewer plant upgrade in the works – News – Waynesboro Record Herald – Waynesboro, PA

Posted on February 16, 2018 By In maintenance With no comments

Antrim Township supervisors received an update Tuesday night on plans to improve the treatment processes at the aging sewer plant with an eye to the nitrate removal requirements associated with cleaning up the Chesapeake Bay.

The two-phase project is under the control of the Antrim Township Municipal Authority, which owns the plant that is run by the township. Financing for the work, which will cost more than $9 million has not yet been discussed, according to Roger Nowell, the township’s public works director.

The sewer treatment plant off Worleytown Road was constructed in 1978, with a major upgrade in 1998 so most of the equipment is 20 years old. A biosolids watering upgrade was done in 2015.

The first phase of the project involves the UV disinfection system, which does not have performance issues, but is at extreme risk of failure, which could result in non-compliance with the discharge permit, according to Scott Crosswell of GHD/CET Engineering. Because the system is so old, it would be hard to get repair parts if there were a breakdown.

A new UV system is being designed and could go out for bids late this month. Most of Crosswell’s presentation was on the second phase of the project, so he did not have costs for the first phase readily available, but estimated it will be around $1.5 million.

Phase I construction could get under way in May, with the UV system in operation by December.

Phase II involves the sludge treatment process to remove nitrates. Nitrate removal is a key part of cleaning up the Chesapeake Bay and numerous municipalities have had to do plant upgrades as a result.

The Antrim plant has a cap of 21,918 pounds per year and discharge has been around 20,750 pounds per year for the last six years, according to Crosswell.

Credits had to be purchased in 2011 and 2016 when the cap was exceeded, which can happen when there are higher flows and colder weather. The biomass — comprised of the organisms that break down the waste — doesn’t work as well when it is cold.

“The mechanical equipment is operating well with normal maintenance. The process is at its design capacity to meet the annual cap load for TN and there is a potential that the ATMA would have to purchase TN credits each year to meet the NPDES (National Pollutant Discharge Elimination System) cap load limits,” according to the engineering report.

Three nutrient removal systems were evaluated: one calling for the addition of two tanks for a total of four; one with the addition of one larger tank; and an emerging technology known as ballasted activated sludge system (BioMag) in the two existing tanks.

The four-tank system is recommended because it remains operationally similar to the existing plant and “provides the most redundancy — with one tank offline, 75 percent of the treatment capacity is still available.”

Total costs including construction and engineering are projected at $7,866,000. In addition, the facility will probably require a second operator and the report advises budgeting $75,000 annually for the position. Nowell said he plans to ask ATMA on Feb. 26 to move forward with engineering design for phase II, which could take about a year. With a construction period of 18 to 20 months, phase II would be operational in spring 2021.

Both phases are treatment improvements, but will not increase the capacity of the plant. The plant is designed to handle 1.2 million gallons a day and the average daily flow is a little over half of that at 0.697 million gallons per day.

Supervisor Fred Young wondered what would happen if a big commercial or industrial user was added to the system.

“Are there any Fresh Expresses coming down the road?” Young asked, referring to the salad processor.

“At the present location, I don’t know what we could do to increase capacity,” Nowell said, noting he recently had an inquiry from a current user about contributing 60,000 gallons more a day.

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Kawasaki starts new assembly line at Maryville plant

Posted on February 16, 2018 By In maintenance With no comments

The Kawasaki Maryville plant has announced the startup of a new assembly line.

The $520,000 investment is expected to raise production capacity by close to 400 engines per day, once fully staffed. The addition of Kawasaki’s new assembly line has the potential to bring up to 55 new jobs to the area.

The demand for Kawasaki’s general purpose engines has been on an incline, and their production facility in Maryville has had to increase staffing to meet this demand. The plant currently employs over 800 people from Northwest Missouri and Southwest Iowa between three production departments, engineering, maintenance, quality assurance/quality control, services, information systems, and administrative departments. The plant also celebrated its 10 millionth engine produced in October of last year.

The Maryville plant began operating in 1989 and was established as a Foreign Trade Zone that same year. They have been involved in injection molding, die casting, machining, assembly, manufacturing of Jet Ski parts, powder/ e coat painting, manufacturing of robot parts and research and development. Due to the demand of Kawasaki engines, resources have been allocated to engine production, and the plant is currently the top producer of general purpose engines for the Kawasaki Corporation.

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Weidmuller Ltd. – System component for the custom design of remote maintenance solutions

Posted on February 16, 2018 By In maintenance With no comments

15 February 2018

The Weidmüller teleservicing solution allows plant manufacturers to offer their customers tailored services across the whole lifecycle of a machine.

These days, manufacturing companies need to react increasingly quickly to changing customer requirements. Greater levels of automation and the gradual rise in the importance of software play an ever-more substantial role in ensuring necessary flexibility. The result is more complex systems which need to be understood, controlled and maintained. As well as increased production flexibility, the demands on machinery productivity are also higher, as unplanned downtime can prove particularly time-consuming and expensive. In the event of a problem with complex systems and machines, the maintenance personnel refer back to the manufacturer’s specialists. The most expensive and time-consuming option is an on-site visit – but there are now much more efficient alternatives: the Weidmüller teleservicing solution allows plant manufacturers to offer their customers tailored services across the whole lifecycle of a machine. This includes a support team to provide quick answers to questions relating to operation, process optimisation and the servicing of machines and plants.

The Weidmüller system solutions consist of network components such as industrial security routers and Ethernet switches, the u-remote remote I/O system, plus integrated web servers for detailed system diagnostics, add-on communication-compliant automation components and, last but not least, the u-link web-based teleservicing solution. Some of the system solutions can be configured on a customer-specific basis, for example, the u-remote system. For manufacturers of series machines, the system not only offers user-friendliness but also another unique advantage: the fully integrated solution for the I/O system means system parameterisation can be used multiple times.

The benefits of the u-link portal include secure remote access, a flexible system structure, efficient management, rapid telediagnostics and accelerated plant servicing. Secure remote access is guaranteed by a web portal with an integral VPN rendezvous server in Germany, a router with integrated SPI Firewall (stateful inspection), authentication via x.509-based certificates (OpenVPN with SSL encryption) and manual access permissions for the machine. 

u-link guarantees safe and rapid communication between the user and the plant, consistent diagnostic functions for all communication-capable devices, as well as plant topology that can be easily expanded. Efficient management supports the intuitive operator front-end with clear user navigation and user, group and permissions management based on individual requirements. 

Remote maintenance for machines or plants via the u-link portal is not only quick but available 24/7 all year round, plus there is direct access to all TCP/IP-based devices. In-depth remote analysis is also made possible thanks to integral diagnostics tools such as the u-remote web server. The Weidmüller remote maintenance solution allows accelerated plant service, gives users direct remote access to all system functions and allows them to adapt configurations and programmes and apply firmware updates. In the u-remote system, broad function simulators support the commissioning of systems, plus there is the option of configuring series machines for easier use. Any plant errors can be quickly pinpointed and solved while the system is running.

Contact Details and Archive…

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Elyria Council interested in moving forward for plans in maintenance facility

Posted on February 16, 2018 By In maintenance With no comments

Plans for a comprehensive Citywide Central Maintenance Garage Facility for the city of Elyria picked up steam Feb. 12 during City Council’s finance committee meeting.

Elyria Safety Service Director Mary Siwierka shared the consideration of the new garage to committee members Jan. 29 due to the current condition of the facility and what it lacks.

What is now an official project for the city, Council will progress in developing a design and costs for the facility.

Built in the 1970s, the garage is located on top of what was a city landfill at 851 Garden St.


Today, the building is strategically, technologically and environmentally deficient, Siwierka said.

The garage is 34,000 square feet and houses departments and its fleets such as sanitation, street, water distribution, parks and recreation, forestry division, maintenance garage and communications department.

Along with the central maintenance garage, there are two other off-site locations where services can be performed, such as the former Broad Street Elyria Fire Station and the wastewater pollution control plant.

Third Ward Councilman Mark N. Jessie and Seventh Ward Councilman Jack W. Cerra were appointed by the city to serve the project and toured the facilities to present issues to the administration of Mayor Holly Brinda.

At the maintenance garage, a few updates have taken place over the years, but the facility has still outlived its useful life and needs reconstruction, Siwierka said.

The building and parking lot are outdated, she said.

Siwierka also presented several issues inside the garage such as plumbing systems and fuel tanks.

There are some issues with drainage, noncompliant wiring, failed insulation, year-round insect and rodent problems.

The maintenance garage also lacks working space for each department, Siwierka said.

With not enough working space, some departments have trucks outside during harsh weather conditions, as well as limited space for inventory.

Some departments go without lunch or restroom facilities, too, she said.

Issues at both off-site locations include small spaces, lighting, drainage and ventilation, Siwierka said.

However, in each small and isolated area, both the Fire Department and the wastewater plant only have one full time mechanic working, she said.

Each department works on multiple services for the city, but does not have enough space or storage to hold equipment, Siwierka said.

Joe Strohsack, senior fleet manager of the maintenance garage, said newer equipment has become sophisticated.

If mechanics could all work together under one roof, they could learn how to use them together, Strohsack said.

“We need a place to learn and be familiar with other jobs,” she said.

Advancements in technology are changing equipment, Siwierka said.

Members of each department need to cross train and save money with centralized equipment, maintenance and repairs, she said.

In the presentation given to the city, Siwierka noted Elyria owns land — which is across the street from current location — that could be utilized for a new garage.

With funds from the passage of Issue 6, it can supply new and updated equipment to the maintenance garage and off-site garages, Siwierka said.

“Funding for a new garage complex is yet to be determined,” she said.

However, most likely, it could be funded through a small “building” fund that was established a few years ago, Siwierka said.

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