Share |

Content about Engineering

July 31, 2012

CHICAGO — Engineering, construction and consulting firms weigh in on design basics and more

CHICAGO — Your company is weighing its laundry services options, and pursuing a new plant is a possibility. So what should the average laundry manager know about plant design?

American Laundry News recently invited several engineering, construction and consulting firms with laundry services expertise to respond to some questions about this issue.

ALN: Is there a basic design template that will work for virtually any institutional, industrial or commercial laundry, or is each and every plant’s design unique?

DAVID BERNSTEIN, SENIOR VICE PRESIDENT, TURN-KEY INDUSTRIAL ENGINEERING, CHARLOTTESVILLE, VA.

All institutional, industrial and commercial laundries share certain common design elements (e.g. the need for washers, dryers, finishing equipment, etc.), but outside of those common elements, every laundry design is unique.

Laundry design is dictated by a wide variety of factors, including safety of production employees, the current and future product mix, throughput requirements, local regulatory constraints, and, of course, the budget.

There are certain situations in which a basic design template can be used successfully. Operators who have multiple plants processing essentially the same product mix have for years been successful at duplicating the basic design of a plant in other locations. In these situations, the engineering and design teams simply calculate the current and future production needs of the new facility, and scale the quantity of equipment and the associated building size to meet those needs.

BOB CORFIELD, PRESIDENT/CEO, LAUNDRY DESIGN GROUP, PHOENIX, ARIZ.

If all the business conditions are the same or similar, yes, there can be a general template for design. Large national companies work hard to achieve this by staying highly focused on certain markets. But as the mix of work, type of customers, physical space and growth requirements or restrictions are considered, each plant takes on its own personality.

ED KWASNICK, DIRECTOR OF BUSINESS DEVELOPMENT, LAUNDRY DIVISION, ARCO/MURRAY NATIONAL CONSTRUCTION CO., OAKBROOK TERRACE, ILL.

From 30,000 feet, the production flow and departmental functions for all laundry facilities are similar. They each receive soiled goods, sort the goods by classification, wash, dry, finish, store the goods for delivery, load the clean goods on vehicles, and deliver them to the customer. But that is where the similarities end.

Each laundry must be custom-designed to meet its unique needs based on these issues: type of goods (healthcare linen, hospitality linen, food and beverage linen, industrial garments, mats); rental vs. COG; manual vs. automated systems; single-shift vs. multiple-shift operation; high quality vs. high output; and project budget.

All of these factors must be carefully considered when developing a plant design, and the design must be customized to meet the needs of the operator and their customers.

GERARD O'NEILL, PRESIDENT/CEO, AMERICAN LAUNDRY SYSTEMS, HAVERHILL, MASS.

No, there is not a basic design template that will work for all. Every plant is unique and has different needs. The design will be based on the work load, type of work to be processed, space available, processing needs, future growth, hours of operation, available utilities, local codes/restrictions and, of course, available budget.

GLEN PHILLIPS, P.E., PRESIDENT AND SENIOR ASSOCIATE, PHILLIPS & ASSOCIATES, MINNEAPOLIS, MINN.

Phillips and Associates follows a step-by-step flow diagram for laundry design projects: 1) develop the total annual processing load by pieces and pounds, 2) determine the number of operating hours per week, 3) determine the hourly production requirements, 4) determine space requirements, 5) develop equipment needs, 6) develop labor staffing requirements, 7) develop space cost, 8) develop equipment costs, 9) develop labor costs, and 10) develop a complete financial package: total capital costs, total operating costs, and two years of cash flow.

ALN: What factors dictate just how much square footage a laundry requires?

CORFIELD

Again, it depends on the type of plant and whether or not it serves one customer (an in-house hotel or hospital) or outside customers, and is rental/pool linen or COG processing. If healthcare, do the end-users do bulk delivery, exchange cart, or a combination?

For healthcare, the best formula I have used successfully is 350-500 pounds per square foot, per single shift. So, a 14 million pound hospital plant would be about 38,000 square feet for production plus another 12-18% for employee spaces and offices (estimate 44,000 square feet). Space is also added for other processing types, such as operating room linen. You can project growth either through added processing (equipment) or more hours. Then adjust your building size requirements accordingly. Keep in mind that the best way to expand a building during design is sometimes up and not out to manage cost constraints for land or construction.

KWASNICK

They include the level of automation, type of equipment, the number of shifts per day, operating days per week, clear height inside the building (low height means you are forced to use carts to work in process and move items from department to department; carts require space for staging and travel), and type of laundry (healthcare vs. industrial vs. hospitality vs. mixed).

O'NEILL

Type of work to be processed, amount of growth that is estimated, hours of operation, and type of equipment that will be installed. The level of automation that any plant considers will also greatly influence the square footage needed. We at ALS believe in using the “cube” of any building. This cuts down drastically on the square footage needed to carry out the process.

PHILLIPS

Anyone who is involved with planning a laundry, whether it be in-house or a remote stand-alone facility, has to enter into the discovery process about all sorts of things. Among those discussion points are each of the items mentioned in my answer to the first question. Developing the total annual processing load and determining the operating hours per week and hourly production requirements must be done before attempting to determine space requirements. The driver to/of the entire process is development of the hourly production requirement. Once that number has been determined, everything beyond that point becomes self-evident.

BERNSTEIN

Unless a client already has an existing building in mind for their new facility, we believe that the right way to design a new laundry is from the inside out. In other words, understand and formulate the processes that will be involved in the operation of the new facility; understand the current and future equipment, staffing and infrastructure needs; and then design the building around these elements. In this way, we are able to minimize the amount of wasted space, while ensuring that we’ve designed a safe, productive, efficient and sustainable operation.

ALN: If an institution or business designing a laundry is eager to take advantage of the latest laborsaving and resource-conserving technologies, what might some of them be?

O’NEILL

Tunnel washer technology; high-speed thermal ironer systems with high-production feeders, folders and stackers; soil and clean monorail system (automated or hybrid systems); and smart conveyors will be some of them. The “steamless” concept is also one that should be closely looked at. Having been a big proponent for many years and having now built four steamless or “less-steam” plants, we feel that is a huge resource/energy conservation idea. The advent of wide presses has also had a large impact on the energy conservation ideas in our industry.

KWASNICK

Here’s a list of old tried-and-true technologies that continue to prove their worth: heat reclaimer, stack economizer, water reuse system, and water recycle system.

And here some of the newer technologies to consider: high-efficiency modular boilers, self-contained thermal ironers, wide ironers, new tunnel washer technology that uses less water (aka Milnor’s PulseFlow), RFID technology, production tracking systems, press-to-dryer rail system (provides additional buffer storage between the tunnel press and dryers, and allows you to use fewer dryers), automated bagging machines, and automated wrapping machines.

PHILLIPS

Without going into a lengthy, drawn-out discussion, some of the thoughts our firm delve into are:

1. What type of productivity does the owner want to achieve?

2. What is the owner’s desire in designing a new plant? Stated another way, what is the “hot button” desired by the owner?

3. If it is a reduction in linen losses, then discuss RFID. If it is a reduction in utilities, then discuss 80% water reduction. If it is to reduce the number of accidents, then discuss material-handling systems. Just about every conceivable idea becomes a discussion point and something to serve as a goal.

4. In this time of LEED, then discuss with the owners the power of conserving energy via the building envelope.

BERNSTEIN

Some of the most significant innovations in equipment over the past decade or so have come from Europe, where the cost of labor continues to skyrocket. Examples of laborsaving technologies include highly automated wash rooms, garment auto-sortation systems, load-on-rail soil sortation, RFID technology, and remote ironer feeding/queuing. As might be expected, an added benefit of using these technologies is an increase in employee health and safety, as well as increases in quality, accuracy and productivity.

Among gas-saving technologies are high-efficiency boilers, modular boiler systems, direct-fired hot water heaters, better extraction technologies to reduce the number of dryers and dry times, and the wide variety of heat reclamation technologies, including those that reuse heat from wastewater.

Another such technology, so-called “steamless” plants, is one that has gained a lot of attention over the past couple of years. The idea is to eliminate the need for steam, and therefore boilers, to heat water, ironers and other finishing equipment. When properly applied under the right circumstances, the energy savings can be striking.

Every wash room should be planned with an eye toward water reuse; this goes for conventional and tunnel washers. And don’t forget the fleet. There are a wide variety of energy-efficient vehicle technologies that should be considered, including EV, hybrid-electric, hydraulic-hybrid, diesel hybrid, and natural gas power plants, and composite or plastic bodied vehicles.

We should note one important caveat. Every situation is unique, and before a technology is applied or specified, we strongly recommend the performance of a cost-benefit analysis to ensure that there is a return for every investment. There is a wide range of technologies available, each with its own “gee whiz” and “coolness” factors, but what works in one operation may not necessarily meet the needs, requirements or vision of another.

CORFIELD

This would include any machine or system that reduces the number of “touches” required in packaging, finishing or transporting product. So, conveyors (belt or rail), pickers, auto strapping/wrapping, auto sorting, and stack transport systems are all high-value considerations.

Resource conservation should be a goal, but should not compromise production or quality. Wastewater heat recovery is essential, new high-efficiency dryers can use half the energy of old dryers, and if you have a tunnel, then upgrading your press is a great decision.

ALN: What effect does the type of goods that a laundry processes, or is going to process, have on the plant’s design?

KWASNICK

It has a tremendous effect on laundry design because it affects the type, size and location of equipment. Traditional linen products (e.g. tablecloths, napkins, sheets, pillowcases, etc.) are handled differently than industrial goods (e.g. uniforms, mats, shop towels, etc.). Soil processing for linen requires dedicated soil-count and soil-sort systems that are highly efficient at separating and counting linen pieces. This is typically not the case for industrial goods.

Linen plants can use tunnel washer technology with an extraction press, where industrial or mixed facilities with tunnel washers will typically use centrifugal extractors. Garments require steam tunnels and presses for finishing. However, linen is finished on an ironer or folded after drying. Flat goods are folded and placed in carts for storage and delivery. Garments are placed on hangers and placed on rails or trolleys for storage and delivery.

Large linen plants with tunnel washers and steam ironers require large boilers and mechanical rooms for those boiler systems. Plants that process only mats require hot water for washing, but no steam. Therefore, they don’t need boilers or traditional boiler rooms.

Healthcare plants also need to comply with new guidelines for soil/clean separation, airflow requirements, PPE requirements and other issues that non-healthcare plants do not need to address in their plant design.

Rental plants can process large batch sizes due to consolidation of like goods, while COG plants must process in smaller batches as they strive to keep customer products separated. Large vs. smaller batch sizes will determine the type and size of washroom equipment as well as flow through the finishing department.

As you can see, all of these issues have an impact on space, production flow, and plant design. And these examples barely scratch the surface.

BERNSTEIN

The type of goods being processed is an extremely important factor in determining the design and requirements of every new plant. Prior to putting pen to paper (or mouse to AutoCAD, as it were), there needs to be a detailed analysis of the products and associated volumes to be processed at start-up and at a future point in time. Every single classification, no matter how small the volume, needs to be included in this data-collection phase so that a laundry capacity analysis can be created and used to determine the new facility’s requirements for equipment, space, staffing and infrastructure.

CORFIELD

Healthcare plant vs. hotel plant design can be somewhat similar, with healthcare having 5-15 times more classifications to process. But healthcare is considerably more complex.

General linen (F&B, kitchen), industrial uniform, medical retail, and dust control all have elements that make their designs unique. All have a scale of volume for certain classes of linen or uniforms that makes sense for certain types of automation, washing or waste treatment. Each will also have specific compliance and regulatory issues that can impact design as well.

O’NEILL

Type of goods that a laundry process has everything to do with plant design. It dictates what kind of equipment is required, type of work flow, overall building height, amount of space required at the soil and clean sides, physical separation requirements, etc. For example, an F&B/mixed plant will need a lot more soil-sort classification compared to a hospitality/linen plant. A healthcare plant will need soil/clean separation while a linen or F&B plant will not.

PHILLIPS

Essentially that is one of the very first questions that must be discussed and resolved. If an end point cannot be reconciled on that point, then all other discussion points comes to a halt.

Tomorrow in Part 2: Renovation vs. building new; the biggest challenges; latest trends; and some final nuggets of wisdom

July 18, 2012

CHICAGO — Input from equipment manufacturing, healthcare laundry and chemicals supply sectors

EQUIPMENT MANUFACTURING: KIM SHADY, LAUNDRYLUX CORP, NEW YORK, N.Y.

kim shadyLoading capacity of washers and dryers is quite ambiguous. I was recently in a laboratory with multiple brands of washer-extractors. One of my objectives was to determine load size vs. rated capacity and the effects of under-loading.

The first laboratory result proved that based upon weight, you cannot load a washer beyond the rated capacity of the machine. In fact, it is difficult to place 50 pounds of dry terry cotton towels in a 60-pound washer. In nearly every machine tested, based upon weight, a machine will accept only 85% of the rated capacity. On some washers, because of the shape of the drum, only 75% is achievable. If you test poly/cotton sheets, the weight of the load is even less, as the polyester material has less weight for the amount of volume or space it takes in the wash wheel.

The lesson learned: Don’t expect the actual weight of a load to be equal to the rated capacity of the front-load washer-extractors.

The second laboratory test was to determine what happens when a small load (50% of capacity) is run in a washer. The results demonstrated the water used per actual pound of linen increased. Hence, it is more costly per pound to process. Also, the chemical dispenser did not know the load was smaller, again causing the cost per actual pound processed to increase.

Third result in the test was the washer’s ability to balance the load and advance the cycle to extraction. In some washers, there were multiple attempts to balance the load prior to extraction. This wasted time and water. In some cases, the washers never reached an acceptable balance level and the extraction speed was reduced, hence more residual moisture and longer drying times. As you can see, under-loading is expensive. And more loads per day must be processed, adding even more water, energy and labor costs.

We also tested load sizes in dryers. The objective was to determine drying time and energy cost for terry towels in a fully loaded, 60-pound-rated capacity washer in two different-sized dryers (capacities of 67 pounds and 83 pounds). The test results proved the larger dryer was faster and used less energy to dry the identical load.

At the end of the day, washers can’t be overloaded, while under-loading will significantly raise the cost per pound processed. Dryers can be overloaded, having the same effect on higher costs as under-loading washers.

At the end of the day, supervision and processes are critical. Unless, of course, the washers are smart enough to override human error!

HEALTHCARE LAUNDRY: SCOTT BEATON, KAISER PERMANENTE NORTHERN CALIFORNIA

scott beatonOne of the most important variables affecting wash quality results is mechanical action. Much of the mechanical action controlled by the laundry is affected by loading practices within a given size and type of washer.

Washer loading is expressed as pounds of fabric per cubic foot of cylinder volume. Loading varies with fabric type and with machine type. Overloading and under-loading can affect soil removal and fabric strength and create excessive wrinkling. It can also influence the costs for labor, chemicals, water and energy.

In order to provide consistent standards, load factors are normally based on the weight of clean, dry fabric processed.

Overloading is not conducive to good laundry performance. Supplies cannot be distributed properly throughout the load, and the tightly packed condition of the textiles impedes dilution, lowers soil removal, and results in poor mechanical action.

Additional water levels per operation and longer rinses may be required to remove loose soil and chemical supplies remaining in the load. If these additional steps are not employed, loads may require rewashing.

Overloading of continuous batch tunnel washers may result in jamming up the machine and halting production. Under-loading also can result in poor performance due to less mechanical action and can lead to excessive costs.

Some fabrics must be under-loaded because of their bulk as compared to their weight. Garments containing polyester blends typically are loaded at 3.5 to 4.5 pounds per cubic foot to minimize wrinkling and provide for easier finishing.

All in all, load weights should be determined for each individual plant per machine by weighing soiled loads and comparing the soiled weight to the clean weight for the same load after processing. If proper soil sorting is being practiced, the ratio (soil weight/clean weight) should be consistent by classification/machine and need only be recalculated periodically.

CHEMICALS SUPPLY: MARLENE WILLIAMS, ANDERSON CHEMICAL CO., LITCHFIELD, MINN.

marlene williamsMachine load sizes are designed to optimize machine performance, chemical use, fabric wear, and performance outcomes. There are prices to be paid for load sizes that vary widely from recommended protocols.

Under-loading of machines is largely a matter of wasted resources rather than performance outcomes. Running less-than-capacity loads results in additional loads needing to be run to accommodate total laundry weights. Waste in water (and expensive heated water), chemicals, and labor raise the cost per pound significantly when loads are not full.

Performance is typically not a problem when under-loading unless chemical use results in high foam generation during light loads. Extra foam can result in poor mechanical action with subsequent poor results. In front loaders, high foam levels can result in foam being forced into machine areas that are not typically rinsed. This foam residue, if not cleaned during special cleaning cycles, can provide food for bacteria and accompanying malodors.

Under-loading dryers can result in poor drying or no drying if dryer sensors do not recognize moisture amounts from small loads.

Overloading, on the other hand, is a self-defeating process. A myriad of problems results from overloading, including higher number of rejects, more rewash, lesser quality (lesser soil removal), and setting of stains.

Negative selection, i.e. removal of some stains while leaving other stains to be set in the dryer, is a function of overloading. Lack of mechanical action results in soils not being put into solution and carried away from fabric, excessive fabric wear in some areas of the machine as fabric does not move, and problems with inadequate dilution of chemical resulting in over/under-dosing of chemistry depending on overload dynamics.

Add more labor, chemical, water and time to rewash problem fabric and it becomes clear that running standard load sizes optimizes the laundry process.

Click here for Part 1!

March 27, 2012

OAKBROOK TERRACE, Ill. — Textile services companies enlist ARCO/Murray National Construction Co. for building projects

OAKBROOK TERRACE, Ill. — Three textile services companies have completed expansion and renovation of facilities across the United States in recent months with the assistance of ARCO/Murray National Construction Co. and its Laundry Division.

ARCO/Murray completed an 11,000-square-foot addition to the ALSCO plant in Anaheim, Calif. The project included 9,100 square feet of warehouse area, split into two levels, for a clean-side sort system newly installed by Bobco Systems.

The sorting system utilizes a rail system on both levels for the warehouse addition and conveyors on the first level to transfer clean items from the existing plant to the new addition.

The addition included eight dock doors for clean-side loading and 1,900 square feet of ADA-compliant office, break room and restroom area. It allowed ALSCO to consolidate three structures into one and will reduce the labor and time needed to load trucks with clean product.

A conditional use permit, following strict guidelines set forth by the Disneyland Resort Area Mitigation Plan, heavily governed the facility’s design. The exterior was required to meet certain aesthetic requirements while adhering to landscaping, energy saving and site drainage policies above and beyond those of a typical municipality, ARCO/Murray says.

The design and construction firm worked with G&K Services in the addition of a wastewater treatment building at the company’s Denver plant. The project added a 1,700-square-foot building, and retrofitted the existed building, to enclose both new and existing wastewater treatment equipment provided by Norchem Corp. Work on the addition and retrofit was scheduled to minimize conflicts with G&K operations and resulted in no shutdowns or delays.

The new system allows G&K to reclaim heat from 100% of the operation’s wastewater and provide the option to reuse much of the wastewater after treatment.

Another ARCO project was a facility expansion and equipment installation project for CLEAN the Uniform Co. in St. Louis. The project added more than 24,000 square feet to the company’s existing facility, which was built in 1955. The work included a new truck drive-through, soiled separating area, wash floor and finishing area to serve CLEAN’s retail medical operations.

The drive-through features two pit-style platform lifts to allow CLEAN’s route trucks to unload and load products. The finishing area made room for additional folding capacity, ironers, and utilized a belt conveyor to assist in processing. The new wash floor created room for new side-loading washers and new dryers. CLEAN installed an overhead storage rail in the soiled and clean areas within the addition. Construction was completed while the existing plant remained in operation. 

March 19, 2012

WEST CONSHOHOCKEN, Pa. — New standard set to identify and define

WEST CONSHOHOCKEN, Pa. — As the commercial laundry industry commits to a more sustainable future, ASTM International is proposing a new standard to identify and define sustainable management practices to help commercial laundries reduce their impact on the environment.

The standard, known as ASTM WK35985 or Practice for Sustainable Laundry Best Management Practices, is being developed by a subcommittee under the jurisdiction of ASTM International Committee D13 on Textiles.

Gary Gramp of the Textile Rental Services Association (TRSA) is chairing the task group developing the new standard. “We are looking to further reduce our carbon footprint and enhance our environmental stewardship by developing ASTM WK35985. Our goal is to encourage the implementation of best management practices for sustainability at all commercial laundry facilities.”

Gramp says the methodology for assessing the best practices will certify that any given laundry process is sustainable and compliant to the standard. The proposed standard hits on such areas as water-reuse technology; heat recovery; environmentally friendly and low-temperature detergents; wastewater treatment; and energy-efficient lighting, among others.

In addition to commercial laundry facilities, Gramp says potential stakeholder groups include users of reusable textiles in the restaurant, hospitality and healthcare industries; government agencies; and environmental organizations.

The next ASTM Committee D13 meeting is set for June 24-27 in San Diego. For more on the proposed standard or to participate in its development, contact Gary Gramp at 703-519-0029, ext. 111; e-mail ggramp@trsa.org.

ASTM International is an international firm focused on standards development and delivery systems. Visit astm.org to learn more about the organization.

December 28, 2011

“What would you say are the most common errors in laundry processing that lead to higher-than-necessary energy, fuel or water costs?” Answeres from the commercial laundry and equipment manufacturing sectors.

“What would you say are the most common errors in laundry processing that lead to higher-than-necessary energy, fuel or water costs?”

Commercial Laundry: Rick Rone, Laundry Plus, Sarasota, Fla.

Utilities in general are usually the second-largest item on any laundry’s budget, so any and all energy and utility costs should be scrutinized carefully and thoroughly. The single biggest error we make is taking the proper operation of our plants for granted!

rick roneOne of the largest expenses for laundries is natural gas. Whether it is used for firing hot-water heaters, steam boilers, thermal fluid ironers or dryers, natural gas has been deregulated and can be purchased from suppliers other than your local pipeline. Once you are confident that you are purchasing at the best price, you can concentrate on the day-to-day efficient operation of your plant.

If your dryers are set by time and temperature, is everything working properly? Have you been maintaining your thermostats and sensors? If a load is not completely dry, is your staff leaving the load in for a complete extra cycle?

Is your staff cleaning the lint filters as often as necessary? When was the last time you had all your gas burners checked with a combustion analyzer and recalibrated?

Check with your washroom chemical supplier to see if it has any new products that might let you wash at a lower temperature, thus saving money.

When was the last time you confirmed that your steam traps were working correctly? This item alone can be a significant resource saver.

When you process sheets through your ironer, how close together are they? If they are not almost leading edge to trailing edge, then you are probably running your iron faster than you need to, and therefore at a higher temperature than necessary. This wastes gas and causes additional wear and tear on your equipment.

Not everyone needs nor can afford an efficient tunnel washing system. If your plant is using conventional washers, are all drains sealing correctly? A leaking drain will cost the operator in both time and utility cost.

Are all level controls set and working properly? Quite often, the greater mechanical action available in an open-pocket washer will let you set your water levels to a lower point.

Have you ever watched your drain during high-speed final extract? If your washer is programmed for more time than necessary, you are not being as frugal as you could be. If you see the water cease coming out of the drain in five minutes, there is no reason to continue the extract cycle.

One potentially huge savings may be derived from reducing sewage or water disposal fees that are usually at least three to four times the cost of water acquisition. When towels leave the washroom, they are customarily at about 40% or more in moisture content. Your utility company should not be charging disposal fees on that water because it will be evaporated in your dryer. There is precedent, and you should have no problem requiring your utility supplier to modify the sewage charges.

Labor is the largest line item on almost everyone’s budget, and we all deal with labor issues daily. Utility costs traditionally rank second. Take the time to review your plant’s operation. Apply common sense and you will find many additional cost-saving avenues that are available to you.

Equipment Manufacturing: Chuck Anderson, Ellis Corp. San Diego, Calif.

There are many areas in the laundering process that need to be monitored. Some common errors I see in processing that lead to higher-than-necessary energy, fuel and water costs are:

chuck anderson• Pre-sort — ­ I don’t think there is enough emphasis placed on the importance of a good pre-sort department. Stains, rips or tears can be identified in pre-sort before the article is processed, saving energy, water, chemicals and labor. We routinely see textiles make it all the way through the laundering process, and it is the room attendant who rejects the article.

• Washing — Make sure that your operators are utilizing the proper formula for each classification of textile being processed.

On many occasions I have seen textiles processed on the wrong formula, or different classifications of textiles sharing a formula because nobody took the time to build a classification-specific formula. Processing this way leads to longer-than-necessary formula times or shortened formulas that lead to rewash, both of which waste energy and reduce the linen’s useful life.

Check washers for door-seal leaks, steam leaks, leaking drains, etc. These all lead to increases in energy and water usage.

I cannot emphasize enough the importance of using a scale in your laundry. Many times, I see the scale has been removed from the laundry, or it is piled with other items from the laundry for use as a storage area. Also, I hear that the operator has been loading the machine for so many years that he/she knows exactly how much to load by look and feel—yeah, right. Under-loading and overloading washers lead to higher processing costs, machinery wear and tear, and increased rewash.

• Drying — Review your dryer times. Most linen is over-dried by several minutes, wasting valuable energy. I would choose a benchmark of, say, 25 minutes and test each classification and document your findings. You can also weigh the textiles before and after drying to get an idea of the pre-dry and post-dry moisture content. I have many customers who utilize summer and winter drying formulas to maximize efficiency.

Make sure that dryer lint collectors are being blown down and cleaned frequently, and that there is adequate make-up air to the dryer burner.

Flatwork — I routinely see operators pulling pieces off the folder due to wrinkles and mis-folds. Make sure your padding is in good order (note: old sheets do not replace padding) and the folder is properly tuned. Reprocessing items run through the flatwork system is one of the biggest wastes of energy and time that I see.

• Clean-Linen Storage — Once linen is processed, make certain that it is immediately wrapped, covered or stored in a contamination-free environment. Too many times, I have seen linen that had to be reprocessed because it was exposed to a nightly blow-down by engineering.

Click here for Part 1.
Click here for Part 2.
Click here for Part 3.

December 20, 2011

“What would you say are the most common errors in laundry processing that lead to higher-than-necessary energy, fuel or water costs?” Answers from the consulting services and equipment/supplies distribution sectors.

“What would you say are the most common errors in laundry processing that lead to higher-than-necessary energy, fuel or water costs?”

Consulting Services: David Chadsey, Laundry-Consulting.com, Winter Haven, Fla.

There is a wonderful buffet restaurant in our town called Fred’s. It offers Southern-style cooking with ribs, ham, chicken and fish plus all the greens and vegetables known to Dixie. Fred has a policy—probably borrowed from his grandmother—that he calls “Waste Not, Want Not.” If upon ordering, you agree to eat everything that you take from the buffet, the restaurant gives you $2 off the price of the meal.

david chadseyFred has figured out that if he uses all of his resources to meet the needs of his clients, his business can operate at lower costs and make him more money at the end of the day. Waste in the laundry industry is not a half plate of fired okra gone to scrap, but Btu out the stacks and water down the drain.

Are you utilizing all the water and energy consumed in your plant? Following are a couple of the most common offenders. In addition to checking these sources of potential waste, tracking and benchmarking your total therms and gallons used per pound of linen processed with other similar operations is time well spent.

Steam Boiler

Many plants utilize steam for multiple energy requirements. Heating wash water, the ironer and the garment finisher are the most common needs. Once the boiler comes up to pressure, the more you are able to maximize the throughput of those ma-chines, the more efficient the plant will be.

I have seen laundries running multiple shifts be down as long as two hours between production periods. All that time, energy is wasted as the boilers continue to run and maintain temperature in the equipment served.

Poorly managed production efficiency of flatwork systems is also a source of boiler waste. Running two lanes of pillowcases on a 136-inch finishing line nearly doubles the energy cost of the task. The goal should be to maximize coverage of the rolls during every process. Covering the rolls width-wise and minimizing gaps between goods provides the most efficient use of the ironer.

Boiler stack economizer systems are another component of boiler efficiency. These economizers capture the Btu that would otherwise be discharged from the boiler exhaust stack. The systems enable most operators to recoup their investment in less than two years.

Water Temperatures and Wash Formulas

I was trained in the old school of hot-water wash aisles and rinse till it clears. Times have changed. Most major chemical suppliers offer a variety of products that work well in temperature ranges of 130-140 F. If you are still washing in 160-plus F water and are not bound by regulation to do so, you may want to have a discussion with your chemical supplier.

If 160 F water is a requirement for you, simple heat-transfer technology can recover a significant amount of energy before the water is discharged to your municipality. In our age of “green initiatives,” there are a host of options available to recover Btu from wastewater.

How many rinses do you really need in a conventional washer-extractor for light- and medium-soil goods? What are the most efficient water level settings for your specific equipment? Elimi-nating one 12-inch rinse in a 450-pound open pocket will save about 130 gallons of water per cycle. At 10 loads per day, with a rate of $10 per 1,000 gallons for water and sewer, eliminating one rinse reduces water costs nearly $5,000 per year in that one machine alone.

Use it if you need it, but don’t just leave it on your plate.

Equipment/Supplies Distribution: Russ Arbuckle, Wholesale Commercial Laundry Equipment SE, Southside, Ala.

With the ever-higher costs of energy, water, and wastewater disposal, laundry managers need to examine ways to reduce these costs. Operational practices that are wasteful can be a significant piece of the puzzle that managers need to investigate.

russ arbuckleOne of the most common ways that laundries may be wasting energy is over-drying.

Older drying tumblers typically do not have auto-dry or moisture-sensing features, and the operators most likely use the same temperature and time settings regardless of laundry type.

Obviously, terry towels will need longer dry times than sheets, pillowcases, etc.

If the drying tumblers do not have these auto features, managers should be examining the dry times currently used by their laundry workers.

Spending some time studying the dry times being used for different wash loads and then running some test loads with reduced times may allow for shorter dry cycles and result in overall energy savings.

Another way to reduce energy costs is to be sure that lint screens are cleaned regularly. Check these screens for the gummy material that clogs the openings in the screens. By using a scrub brush and hot water, you can remove most of this gummy material and allow for greater airflow and thus shorter dry times. If cleaning the screens does not remove the clogs, consider replacing them.

The finishing of flat goods on flatwork ironers can be another area where energy costs can be reduced. Checking the conditioning times being used and experimenting with shorter times may result not only in reduced energy costs but increased production as well.

Adjusting wash-water temperatures and water levels may provide for cost savings. Work with your chemical representatives to try processing using reduced wash water temperatures as well as different water levels without impacting overall wash quality. Here, you can reduce overall cost, increase production, and improve the bottom line.

Tomorrow: Answers from the textile/uniform rental and uniforms sectors.

November 2, 2011

BEIJING, China — Suppliers from China, the Czech Republic, Germany, Italy, Japan, Portugal, Switzerland, Taiwan and the United States have confirmed their participation in Texcare Asia, the region’s foremost trading platform for modern textile care. It is scheduled for Nov. 17-19 at the China International Exhibition Center in Beijing.

Held every other year, the trade fair consistently attracts key players such as Castic-SMP, Dow, Hoffman/New Yorker, Jensen Group, Maxi Companies, Primus, Pony, Via-trade and Weishi, says Messe Frankfurt, the show’s organizer.

These suppliers and more—the exhibitor list stands at approximately 110 companies—will present a range of sophisticated, energy-efficient washing, drying and ironing technologies in a trade space of more than 10,000 square meters (approximately 32,000 square feet).

China’s laundry and dry cleaning market presents what Messe Frankfurt calls “significant opportunities” for suppliers of resource-saving technologies as the Chinese government implements a raft of measures to reduce its CO2 emissions by 45% by 2020.

This has created a demand for environmentally friendly products such as centralized laundry systems, advanced dry cleaning machines, green solvents, energy-saving dryers, and water reclaimers.

Alliance Laundry Systems will launch Over-Dry Prevention Technology (OPT)—which it debuted in the States earlier this year—at the fair. The innovative technology shortens drying time and decreases utility consumption while extending linen life, Alliance says.

“We get to see customers, new and old, from across the Asia-Pacific region at Texcare Asia,” says Kitty Zhang, area sales manager for Alliance. “It is the ideal venue to launch our latest energy-efficient products.”

The Jensen Group from Switzerland hopes to impress visitors with innovations in sustainable laundry automation. “Representatives from our three core technology centers—washroom, flatwork and garment technology—will be at the fair to show how our tools can increase efficiency and boost productivity,” says Gerda Jank, head of marketing at Jensen. “These products will be especially interesting for visitors working in heavy-duty laundries.”

Shanghai Sailstar Machinery Co. is confident that its new SGS Cleaning System will be a popular draw.

“As governments enact ever more legislation to combat climate change, we expect our green SGS Cleaning System will generate a lot of excitement,” says Ivy Zheng, Sailstar’s marketing manager. “This system enhances energy conservation in medium- and large-scale laundry plants. It maximizes output, making washing more economical.”

The fair’s long-standing professional reputation continues to attract new exhibitors wanting access to China’s developing textile care market, Messe Frankfurt says. One such company is German-based BÖWE Textile Cleaning GmbH, which manufactures 12-30-kilogram dry cleaning machines for commercial use and 70-200-kg dry cleaning machines for industrial use.

“Texcare Asia has an established reputation for facilitating trade. We are looking forward to participating in the fair and increasing the visibility of our brand in China,” says Frank Ziermann, managing director.

Kunshan Yingelan Commercial Laundry Equipment is another company exhibiting at the fair for the first time. The Taiwanese firm will present its front- and rear-tilt automatic washer-extractors, front-input and rear-output auto-fast-dryers, dry cleaning machines and solvent recovery dryers, along with finishing and ironing equipment.

“Texcare Asia provides textile care specialists a professional platform for trade,” says Lin Qingguo, vice general manager of Yingelan. “By joining the fair, we hope to get a better understanding of the textile care market in China; this will be useful in marketing the Yingelan brand.”

The 2009 event featured 133 suppliers from 17 countries and regions and welcomed 5,977 visitors from 51 countries and regions, including the United States.

To learn more about Texcare Asia 2011 or to register, visit texcare-asia.com or send an e-mail to texcareasia@china.messefrankfurt.com.

September 14, 2011

CITY OF INDUSTRY, Calif. — Steam generators now supply the busy Addenbrooke’s NHS Trust laundry, where 4.5 million pieces of linen are washed every year. Two energy-efficient Clayton generators have been installed at the Trust’s Fulbourn Hospital in Cambridge, England.

Each generator is capable of producing nearly 4 metric tons of steam per hour and designed to operate unattended. Fuel to fire, the boilers can be either oil or natural gas.

Because of Clayton’s forced-circulation monotube coil concept, it isn’t necessary to contain large volumes of water. Advantages include lower operational costs and fast response time.

When the steam generator is in stand-by mode and completely cold, start-up within approximately five minutes is possible, the company says.

Its low water-storage requirement eliminates the possibility of a steam explosion, Clayton adds.

The laundry is vital to Addenbrooke’s NHS Trust, a leading international center for biomedical research and medical education. As well as being the local district hospital for 480,000 people, the Fulbourn Hospital is also being developed as a major center for treatment and research on a European scale.

“The laundry is one of the essential back-up services which are needed to support the medical work of the Trust,” says Malcolm Creek, estates manager at Fulbourn Hospital. “It is important, therefore, to have a reliable source of steam to keep the laundry running.”

Two generator models EOG-254 are positioned side by side, and the feedwater treatment equipment is mounted on a skid base, which was preassembled as a packaged unit for ease of installation.

The feedwater equipment includes a hot well, chemical injection system, and transfer pumps with interconnected piping, valves and fittings. The hot well provides feedwater for the steam generator and acts as a reservoir for returned condensate.

The hot well is a partial deaerator capable of removing most of the oxygen, which is a major cause of corrosion in feedwater, Clayton says. The hot well is steam-heated to maintain the temperature at around 95 C (203 F).

August 1, 2011

OAK CREEK, Wis. — When Crothall Laundry Services officially opened its new 83,000-square-foot plant during a June 27 ribbon-cutting ceremony, it marked a couple of important firsts for the Crothall Healthcare service line.

The $13 million state-of-the-art facility is the first that Crothall has built from the ground up, and it is reportedly the first laundry in the world to certify (its processing included) under certain LEED (Leadership in Energy and Environ-mental Design) standards. And Crothall managed to complete the construction project—aided by many industry vendors—in nine months.

The Oak Creek plant is one of the few facilities in the country to process laundry without using high-pressure steam boilers, Crothall says. Instead, a Thermal Engineering of Arizona (TEA) Steamless Water Treatment System—using natural gas-fired hot-water boilers and heat exchangers that recover heat from wastewater—provides all the hot water needed for washing.

A gas-fired steam tunnel from Colmac Industries used to condition lab coats generates its own steam independent of a traditional boiler.

Chicago Dryer Co. provided 42 pieces of flatwork finishing equipment to maximize the facility’s production output with minimal utility consumption and enhanced ergonomics.

There are two full ironing lines, each featuring an Edge Maxx cornerless spreader-feeder; Powerhouse self-contained, thermal-fluid, deep-chest ironer; Skyline large-piece folders and Bridge linen transition conveyors.

A small-piece ironing line includes a Rapid Feed small-piece vacuum feeding aid, Powerhouse ironer, Skyline folder and DrawBridge linen transition conveyors to move stacked product from the folder directly to the main conveyor.

There are dedicated systems for a variety of tumble-dried items, including three Blanket Blaster cornerless finishing systems, two Skyline fitted sheet and blanket folders and six Air Chicago folders. All have Bridge conveyors.

All feeding and folding equipment incorporates CHI•Touch, an advanced PC-based control system that offers optimum visualization of operating, electronic and mechanical machine functions, as well as real-time display of production numbers.

Crothall management can set, monitor and maintain desired standards and production levels. CHI•Touch guides employees through each step of machine operation and uses the same logic and uniform style display on every machine so staff members can easily switch to a different piece of equipment.

Click here for Part 1.

July 27, 2011

OAK CREEK, Wis. — When Crothall Laundry Services officially opened its new 83,000-square-foot plant during a June 27 ribbon-cutting ceremony, it marked a couple of important firsts for the Crothall Healthcare service line.

The $13 million state-of-the-art facility is the first that Crothall has built from the ground up, and it is reportedly the first laundry in the world to certify (its processing included) under certain LEED (Leadership in Energy and Environ-mental Design) standards. And Crothall managed to complete the construction project—aided by many industry vendors—in nine months.

A hundred dignitaries filed into a tent erected in the plant’s parking lot to listen to congratulatory remarks from Bobby Kutteh, CEO of parent company Compass Group; Steve Carpenter, president of Crothall Laundry Services; and others before touring the gleaming facility.

The plant can process approximately 25 million pounds of clean linen per year in one shift or up to 50 million pounds annually on two shifts. Crothall claims it is producing efficiencies exceeding 150 pounds per operator hour.

Crothall built the stand-alone plant south of Milwaukee after Aurora Health Care decided that its Crothall-run campus laundry in Milwaukee would be converted to another use. The facility processes 18 million pounds annually for 17 hospitals. Crothall has been processing linen for Aurora Health Care since 2000.

ARCO/Murray National Construction Co. was responsible for all construction phases. Various manufacturers and Pellerin Laundry Machinery Sales Co. provided design, installation, start-up and training services. Herb Fitzgerald Co. assisted locally.

Three PulseFlow® tunnel washers (150-pound modules) from Pellerin Milnor Corp. supply the needed washing capacity. Their patent-pending technology incorporates top-transfer batch processing. On average, the system is capable of laundering healthcare linen at a water-consumption rate of approximately 0.45 gal/lb, saving Crothall roughly 8.5 million gallons—or 39% compared to the traditional tunnel washing process—annually.

The E-Tech soil-sort area utilizes continuous sorting on rail, featuring LED-display sort windows and computerized tunnel-load sequencing.

A press-to-dry rail system automatically carries 300-pound bags of clean laundry on rails overhead to any available Milnor dryer, replacing the traditional shuttle.

Next page: The new plant processes laundry without using high-pressure steam boilers…

June 27, 2011

PHILADELPHIA — The Missouri Water Environment Association (MWEA) recently honored ARAMARK Uniform Services (AUS) with the Gold Award for its commitment to preserving, protecting and improving the quality of Missouri’s water environment, ARAMARK reports.

The award recognizes the company’s compliance in managing wastewater from its Springfield-based industrial laundry facility. It is the seventh consecutive year AUS has received the honor.

“It recognizes our team’s diligence in ensuring that we reduce our environmental footprint while delivering exceptional operational results,” says Cavin Cowan, AUS general manager.

Operating five days a week, the facility processes approximately 24,000 garments each day and treats approximately 55,000 gallons of wastewater.

The treatment system includes a heat reclaimer that recovers and reuses the heat from the wastewater (wash-water temperature is heated to 160 F), reducing the plant’s gas use by 15%. In addition, a water-reuse system minimizes clean-water use by 20%, saving 2.6 million gallons per year.

June 9, 2011

LAS VEGAS — Companies often use the Clean Show to unveil new products or services to the industry. Here is a sampling reported to American Laundry News:

Jensen USA: Butterfly Fox Garment Folder

Jensen recently launched the new Butterfly Fox for the feeding, folding, sorting and stacking of garments.

In combination with the automatic Lobster system hanger, it is possible to automate the entire work process chain, Jensen says. With many options, the Fox can be configured to meet all requirements to perfectly fold heavy garments, microfiber textiles, overalls and bib overalls, the company adds.

The Butterfly Fox folds, sorts and stacks basically one’s entire professional wardrobe – in one hour, as many as 900 pieces can be processed. The Fox contains fewer moving parts in the new hanger-unloading unit, which facilitates constant high performance and offers the greatest availability.

April 19, 2011

RIPON, Wis. — Many businesses continue to feel the impact of the economic downturn. And while it may be hard to improve revenue streams, some businesses have found savings by reducing energy usage and increasing efficiency in their on-premise laundry.

RIPON, Wis. — Many businesses continue to feel the impact of the economic downturn. And while it may be hard to improve revenue streams, some businesses have found savings by reducing energy usage and increasing efficiency in their on-premise laundry.

Energy-efficient laundry equipment and advanced controls are playing key roles in the battle to reduce spending significantly by increasing operating efficiency and ensuring optimal performance.

ENERGY-EFFICIENT EQUIPMENT

March 1, 2011

CHICAGO — Are you familiar with the design-build concept? Design-build is a method of project delivery, as described by the Design-Build Institute of America, in which one entity works under a single contract with the project owner to provide design and construction services.

An AmericanLaundryNews.com Exclusive

Are you familiar with the design-build concept? Design-build is a method of project delivery, as described by the Design-Build Institute of America, in which one entity works under a single contract with the project owner to provide design and construction services.

Is it possible to design-build a laundry? Absolutely, if you’re able to think outside the box and forget traditional construction and systems-procurement methods.

January 24, 2011

DES MOINES, Iowa — G&K Services was recently fined $450,000 for negligently discharging wastewater from its Pleasant Hill, Iowa, facility in violation of the Clean Water Act (CWA), according to U.S. Attorney Nicholas A. Klinefeldt.

G&K Services, which offers uniform and facility services, previously pleaded guilty to the offense, Klinefeldt adds.

July 7, 2010

BOISE, Idaho — There is no mistaking the excitement in Randy Rhodes’ voice. Having spent most of his adult life working in the St. Luke’s Health System laundry, he can’t wait to talk about its pending relocation from the basement of a shared building to a state-of-the-art, semi-automated facility that will be three times larger.

“If we could move in tomorrow, we’d do it,” Rhodes says while speaking by phone about the just-started project.

June 4, 2010

When money is tight, some may think that cutting preventive maintenance is the best option. Before taking that approach, let’s have a good understanding of the role and function of maintenance and where it fits within an organization.

DIVISION OF RESPONSIBILITIES

The typical organization divides responsibilities into three groups:

May 14, 2010

BISMARCK, N.D. — Central Dakota Hospital Laundry (CDHL) Manager Greg Lorenz was faced with a challenging question. When should he replace an efficient tunnel system that has been working well for many years? Lorenz got his answer when the financing that was available became too good to pass up.

With financing in place and approval from its board, CDHL looked to The Minnesota Chemical Co. for a new Milnor tunnel washer. The local distributor sold the original tunnel system back in 1992.

April 28, 2010

The inherent dangers of industrial laundering have been well-documented. Potentially contaminated sharps lurk in soiled linen. Heavy slings or bags dangle overhead. Large, moving equipment threatens to maim or even kill if a worker makes a wrong move.

Heat stress doesn’t harbor the immediate threat of these other hazards, but it’s one that can still pack a deadly wallop if treated too lightly.

LOOK FOR WARNING SIGNS

April 28, 2010

The inherent dangers of industrial laundering have been well-documented. Potentially contaminated sharps lurk in soiled linen. Heavy slings or bags dangle overhead. Large, moving equipment threatens to maim or even kill if a worker makes a wrong move.

Heat stress doesn’t harbor the immediate threat of these other hazards, but it’s one that can still pack a deadly wallop if treated too lightly.

LOOK FOR WARNING SIGNS

March 1, 2010

CHICAGO — I recently had the opportunity to visit some of the laundries that I helped design, build, and manage. I was saddened at the condition of these facilities, in terms of general housekeeping, but also, possibly more important, because of the obvious lack of routine preventative maintenance that was precipitating the early replacement of production systems years before their full life cycles could be realized.

An AmericanLaundryNews.com Exclusive

CHICAGO — I recently had the opportunity to visit some of the laundries that I helped design, build, and manage. I was saddened at the condition of these facilities, in terms of general housekeeping, but also, possibly more important, because of the obvious lack of routine preventative maintenance that was precipitating the early replacement of production systems years before their full life cycles could be realized.

February 3, 2010

There are many options for getting textiles from Point A to Point B, whether the trip is 10 feet or 10 miles. Last week, we looked at carts and trucks. This week, we tackle material-handling systems and delivery vehicles.

MATERIAL-HANDLING SYSTEMS

Conveyors, shuttles, rail systems and many other devices are designed, and often custom-made, to help laundries get their goods through the system quickly and easily.

January 20, 2010

DOTHAN, Ala. — As hospitals concentrate on meeting growing demands for healthcare while scaling down to address economic pressures, many are outsourcing their laundry operations (approximately 62%, according to the 2006 book Low-Wage America: How Employers are Reshaping Opportunity in the Workplace) to make room for additional critical medical services.

Laundry service providers must adapt to handle the increased volume, while also keeping in mind environmental considerations.