Ontario School Plant Manager Spring 2014

Publ

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Spring 2014

•RecognizingSchoolsfortheirCommitmenttotheEnvironment •PreparingforaFireEmergency •It’sEasyBeingGreen

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Ontario School Plant Manager | Spring 20144

Table of Contents

DELCommunications Inc.

is published byDEL Communications Inc.Suite 300, 6 Roslyn Road

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PRINTED IN CANADA 06/2014

Fire Safety Considerations for Facilities Managers in Schools 6

Deepening Environmental Awareness across the Province 8

Green Schools Just Makes $ense 10

Reducing Consumption Rates with

Modulating-condensing Boilers 12

Space Saving Collection for Waste, Recyclables

and Organics 14

The Power of Polymers 16

Choosing the Right Air Filter and Filter Media 18

Don’t Ignore Your Dust Collector! 20

The 7 Deadly Sins of Wood Floor Care 22

Getting Off To a Clean Start 24

Index to Advertisers 26

20

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Ontario’s fire loss record for elementary and secondary schools has historically been excellent. Over the last 37 years, fires in On-tario schools have resulted in only a single death. As well, injuries have averaged only four per year, and the average total annual dollar loss for all schools is $2.9 million. Most large-value fires (over $500,000) occur during off-hours and are usually a result of vandalism. These excellent results are a collaborative effort be-tween school boards, the fire service, students, parents and the Office of the Fire Marshal and Emergency Management (OFMEM).

Facility managers have an important role regarding fire safety within schools. Part of that role is ensuring that hazardous condi-tions do not occur, and part is ensuring that fire safety systems/devices are properly maintained so as to function as intended during a fire emergency. Ensuring compliance with the Fire Code is integral to the facility manager’s role and therefore familiarity with code requirements is essential. For instance, Parts 2 and 6 of Division B of the Fire Code have requirements that apply to gen-eral life safety and maintenance of fire safety systems/devices. Parts 4 and 5 of the code may also be applicable to hazardous classrooms, such as shops and laboratories.

Examples of fire safety systems/devices referenced in the Fire Code that are common in schools include fire alarm systems, sprinkler and hose standpipe systems, portable fire extinguish-ers, special extinguishing systems (as found in cooking exhaust hoods), fire doors and fire/smoke dampers. In addition, the Fire Code requires that all evacuation routes be kept clear of obstruc-tions and that all doors along these pathways are operable.

It should be noted that some revisions to the Fire Code are on the horizon and could impact schools when they come into force. These changes relate to cooking operations (such as found in school cafeterias); photoluminescent exit signs in egress routes and at exits; hot works operations (such as used in shops); hot surface applications (such as used in reroofing operations); and decommissioning of fire safety systems. Watch for more informa-tion on revisions to the Fire Code later this year and in 2015.

Some Considerations for Addressing Fire Safety DeficienciesRecognizing the importance of building fire safety features, and

given that many older schools were constructed before such fea-tures became provincially mandated through the Building Code, fire safety deficiencies identified through fire safety audits or other means should be prioritized and addressed.

There are many ways to achieve fire safety objectives, so each situation should be evaluated individually, in consultation with the local chief fire official. As a general rule of thumb, however, consid-eration should be given to prioritizing work as follows:1. Early fire warning2. Protection of egress routes3. Containment of fire and smoke4. Designation and illumination of egress routes, and minimum

number of exits5. Protection of the persons with physical limitations

Early fire warning is the most important element of fire safety in a school to ensure an early start to fire evacuation. As such, prior-ity should be given to ensuring operational fire alarm systems are available in unsprinklered schools.

Regarding protection of egress routes, there are two primary con-cerns: the protection of evacuation routes (i.e. corridors and exit stairs) from a fire originating in other areas; and limiting fire spread within the evacuation routes. To this end, existing walls of corridors and exit stairs are considered adequate if made of masonry, gypsum wallboard, or lath and plaster construction. Doors in these walls should be a hollow metal type or of solid-core wood construction (a minimum 45 millimetres thick). Open exit stairways should be fire-separated from the remainder of the school and provided with self-closing closures that resist fire. These doors should swing in the direction of evacuation where more than 100 occupants would need to evacuate through them.

To prevent a fire within an egress route from growing quickly, wall and ceiling surfaces of corridors and exit stairs should ideally have a flame spread rating not exceeding 200 (or 300 if sprinklered).

Fire Safety Considerations for Facilities Managers in Schools

Examples of fire safety systems/devices referenced in the Fire Code that are common in schools include fire alarm systems, sprinkler and hose standpipe systems, portable fire extinguishers, special extinguishing

systems (as found in cooking exhaust hoods), fire doors and fire/smoke dampers.

By Kim Bailey, Fire Protection Engineer, Office of the Fire Marshal and Emergency Management

Ontario School Plant Manager | Spring 2014 7

As well, displayed combustible artwork in these corridors should be minimized. How-ever where provided, there should be a min-imum one-metre horizontal break for every 3.6 metres of displayed combustible art.

Rapid inter-floor fire/smoke spread im-pacts safe evacuation in areas beyond the floor of fire origin, and measures to militate against this spread should be considered. This applies to open convenience stairs and other floor openings, such as atriums, inter-connected floor spaces or service openings. It may be necessary to protect these open-ings with fire-rated separations on at least one level (or more levels if opening connects more than two storeys). Smaller service openings in floors should be fire-stopped to prevent smoke and fire movement.

Timely evacuation requires adequate numbers of exits and properly sized egress and exit doors. As well, adequate lighting and exit signage in evacuation routes is important for the same reason. Consider-ation should also be given to ensuring that a minimum 15-minute emergency power supply for exit signs and evacuation route lighting is provided where schools operate during the hours of darkness.

Where barrier-free access is provided to floors above or below the first storey, elevating devices that provide access may not be available or operable during a fire. As such, persons with physical limitations could have difficulty evacuating vertically without assistance. A measure to consider with regards to alleviating this concern is to provide areas of safe refuge on each of these floors. This can be achieved through the subdivision of a floor area with a fire-rated barrier or by providing at least two adequately sized small refuge areas, where the travel distance to at least one from any portion of floor area does not exceed 30 metres (or 45 metres in a sprinklered build-ing). These small refuge areas would also need to be fire-separated from the remain-der of the floor area. Regardless of the mea-sures introduced, any special provisions for the evacuation of persons requiring assis-tance should be documented in the school fire safety plan.

Fire Safety Recommendations for Recycling Programs

Regular blue box containers may be used in classrooms, offices or similar rooms but never located in corridors. Larger recycling containers – such as those used in cafete-rias – should be equipped with self-closing lids, have a capacity that does not exceed 50 gallons and be designed to contain a fire originating inside. Exit stairs and corridors should not be used as holding areas for re-cyclables except where the chief fire official

approves such use. Indoor bulk storage of

recyclables should be in a one-hour fire-

rated room, with sprinklers. Outdoor bulk

storage of recyclables should be a minimum

12 metres from the school building.

The OFMEM continues to be available to

answer questions or discuss your concerns

at (416) 325-3100. In addition, the OFMEM

website provides useful information on vari-

ous life safety issues at: http://www.mcscs.

jus.gov.on.ca/english/FireMarshal/OFM-

Landing/OFM_main.html. »

Better Learning Environments

www.asp.ca

2200 Bromsgrove Road, Mississauga, Ontario L5J 1L4Tel: 905.822.4287 Fax: 905.823.6885

Proudly serving Ontario schools since 1959.

Visit us at booth # L34

at the OMC 66th Annual Workshop.


Ontario EcoSchools is an environmental education and certification program that seeks to recognize schools across the province for their commitment to ecologi-cal literacy and environmental action. The Ontario EcoSchools program is designed to provide opportunities for school com-munities to work together, implement environmental strategies, and celebrate success. The program focuses on six key areas of achievement: teamwork and leadership, energy conservation, waste minimization, school ground greening, curriculum (ecological literacy), and envi-ronmental stewardship.

“Becoming a certified Ontario Eco-School is a major achievement,” says Tracy Appleton, Ontario EcoSchools’ program leader with the Peel District School Board. “It requires the entire school to work to-gether. Through the program, students work with staff and community members to develop strategies to conserve energy, reduce waste, and green their school-yard.”

Beginning in September, Ontario

EcoSchools will be celebrating 10 years

of province-wide participation in the

program. Over the course of the past

ten years, Ontario EcoSchools has seen

tremendous growth in the uptake of the

program across the province. Alongside

this growth, the breadth and depth of

the environmental initiatives being im-

plemented in schools also continues to

grow in tandem with the diversity of the

participating schools and school boards.

Evidence of this growth can be found

at York Catholic District School Board.

Last summer Kent Shadwick, a member

of the Environmental Services team with

the YCDSB, oversaw the purchase of two

Electric Fender Blender Pro bikes. The

bikes convert mechanical energy to elec-

trical potential. With a “one bike, one

Deepening Environmental Awareness Across the ProvinceOntario EcoSchools Recognizes Schools for their Commitment to Ecological Literacy and Environmental Action

Conseil scolaire Viamonde -Le College francais-WM Students and teacher performing waste audit.

YCDSB-St Emily-TL EC-Rock the Bike-001.


speaker” system, a single student can generate enough electrical potential to power a loudspeaker for a crowd of up to 500 listeners. As Shadwick explains, “Our goal is to help students develop a respect and awareness of energy. We ask students to make the connection be-tween their physical effort and the de-mands put on our environment to supply humans with the electricity they need in their everyday lives.” Shadwick has been out on tour with the bikes over the past school year. The system has been used to power dozens of school presentations and a battle of the bands. In the future, these bikes might be used to power tal-ent shows, school dances, and fundrais-ing efforts.

Ontario EcoSchools is continuously looking for new ways to support schools and school boards who are seeking to deepen their commitment to ecological literacy and environmental action. This past spring Ontario EcoSchools released a new program video, “How to Conduct an Ontario EcoSchools Waste Audit.” The video gives valuable advice to schools on how to conduct an essential action in the Ontario EcoSchools program: a visual waste audit. The Ontario EcoS-chools waste audit is a powerful tool that can help schools identify practices that can be targeted to reduce their overall waste. A successful Ontario EcoSchools waste audit often requires the buy-in and direct support of custodial and care-taker staff.

As students, teachers, and school com-munities start the school year with new environmental goals in mind, it is inspir-ing to see how the growing network of schools and boards deepen their commit-ment to learning in, about, and for the en-vironment. The Ontario EcoSchools team congratulates all participating schools on their environmental achievements and is looking forward to celebrating Ontario EcoSchools 10-year anniversary in the fall.

Ontario EcoSchools was created to ad-dress environmental issues in the formal education system. Seven school boards, York University, and the TRCA collaborat-ed to adapt the Toronto District School Board’s EcoSchools program, developing a provincial environmental education program. The Ontario EcoSchools pro-

gram is free of charge and supported by

the Ministries of Education, Energy and

Environment.

For more information, visit

www.ontarioecoschools.org or contact

Elanor Waslander, Ontario EcoSchool

Program Director, at

[email protected]

or 416-642-5774 ext. 1. »

Introducing the Vitocrossal 200, CM2: a brand new face with familiar features

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Green – it used to be just a colour. In today’s world, it is a popular, mainstream term used to denote environmental awareness and sustainability. But what exactly does it mean to “be green”? How do schools earn the coveted “green” mantle? As said best by Ker-mit the Frog, “It isn’t easy being green”… or is it?

There is no one-size-fits-all set of green solutions for any or-ganization. This article is meant to provide guidance for school boards and their staff as the path to developing greener schools is followed. It provides school boards with background information and some key green theme considerations, thus allowing individ-ual boards to set their own green path.

Forward-thinking school boards understand that appealing to a growing number of environmentally conscious individuals and positively impacting the communities where they live and work are essential components of building a successful, sustainable school. Greening your school sends a strong message to your students, staff and suppliers that you are taking a leadership position as a steward to protecting the state of our planet.

Going green need not be complex or costly, but it will entail making changes in the way we live, work and regard the environ-ment. Whether you are a small or large school board, there are many things you can do to green your school(s). By focusing on these key themes, you can significantly reduce your impact on the environment: waste reduction, energy efficiency, water conserva-tion, green buildings and infrastructure.

Waste ReductionA considerable part of any school’s day-to-day opera-

tions is related to waste management. Not surprisingly, this translates into notable costs associated with waste. From di-rect costs such as bins, signage, storage, and waste haulage to indirect costs such as material handling, cleaning, purchase of consumable supplies, there can be opportunities for savings while achieving environmental benefits. Consider the following:• Getstudentsinvolvedandengagedwithwastemanagementat

the school.

• Ensure waste and recycling signage is consistent and up-to-date. Verify that your recycling service contractor has provided you with the most current acceptance criteria for materials that can be placed in the recycling bins.

• Encourageandsupportwastereductioninitiatives.• Ensureschoolsareequippedwithenoughrecyclingbins.Forev-

ery garbage bin, there should be a twinned recycling bin. • Review current service contracts with garbage and recycling

haulers. Are bins full every time they are tipped? Are you be-ing over-serviced? If diversion into the recycling stream is in-creased, perhaps garbage collection frequency can be reduced.

• Explore opportunities to have your recycling and/or organicsserviced by your local municipality.

• Review food service provider contracts. Consider clauses re-stricting packaging to types that are recyclable or compostable.

• Don’tforgettomakesurethatregulatoryrequirementsarebe-ing met (O.Reg.102/94).

Energy Efficiency and Water ConservationEnergy and water use represent the bulk of potential

green school environmental and operational savings. With demonstrable operational cost savings and reduction of environ-mental impact, energy efficiency should be the first consideration for any green school. Significant cost savings can be achieved from available and relatively low-cost, efficient technologies. Emissions from energy use also represent one of the largest im-pacts any school will have on the environment. Energy and water use directly impacts ecological issues, such as air quality, climate change and safe drinking water.

Consider implementing monitoring programs for energy and water use. Encourage occupant awareness and saving behavior through energy use displays and student action programs. What gets measured, gets improved!

Green BuildingsIn addition to energy efficiency opportunities, schools

Green Schools Just Makes $enseBy Scott Freiburger, Managing Director and CEO, AET Group; Ben Dunbar, Associate and Manager of Waste Operations, AET Group; and Chris Hart, Manager of Natural Science Operations, AET Group

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should consider ways to green the school site and improve the learning environment. The Canadian Green Building Council notes that “design, operation, and behavior each share equal re-sponsibility for long-term energy performance.” To optimize the building operation, schools should be commissioned and moni-tored for actual energy use to ensure the building systems were built and operate as designed.

An integrated design process should be considered which aims to break down the so-called “silo-thinking” and optimizes build-ing design with a more holistic process. This is achieved through a collaborative approach with the goal to design with all key play-ers involved.

Green operation and maintenance is critical to meeting green performance targets. The school’s green design choices made in the design stage can all be significantly affected by how the school operates and is maintained. Even the best green-designed schools are only as good as their operation and maintenance plans. Maintenance has an important role to ensure that high-efficiency systems deliver high-efficiency results.

Green Infrastructure and SchoolyardsThe term “green infrastructure” refers to various compo-

nents of the green or vegetated landscape, including green walls and green roofs that are like gardens on building walls and roof tops. At schools, the trees, grassed schoolyards, shrubs and

flower beds all contribute. Where woodlots, ravines, stream cor-ridors or storm water ponds occur, these contribute in a larger sense by providing landscape linkages to the regional natural heritage system. Green infrastructure is good for everyone since it provides natural science teaching and learning opportunities as well as places to find rest and relaxation.

It’s Easy and Makes Sense!It’s important to understand how your school affects the en-

vironment, from the things you purchase to your relationships with students, staff and suppliers to the full life-cycle of school operations. Each step of the way, there are opportunities to make choices that can help you align environmental responsibility with organizational success. Green schools are those that have made a conscious decision to choose sustainable practices. In other words, they behave in a manner that, while meeting the needs of the school board, doesn’t compromise the environment.

A green school is an energy-efficient, higher-performing school that can be environmentally beneficial, economical to build and operate, and offers an improved learning environment. Greening a school has become more common today than ever before. By us-ing comprehensive tools available covering energy efficiency and construction, water conservation, waste reduction and recycling, pollution prevention and green purchasing, greening a school makes sense. »

4


In the final year of my apprenticeship, I was in a classroom of fourth-year plumbers who were also preparing for their gas cer-tification. Al Gore’s An Inconvenient Truth had just come out, and the instructor expressed that the film left him feeling a sense of helplessness about global warming. I remember this because (although many of us have felt that way) it still was fairly ironic, for in that class we were learning about how to properly size, commission and troubleshoot gas-fired equipment. We had the privilege of saying that every day we would be improving the efficiency of the equipment we work on and reducing its carbon footprint. The heating profession can make a very real contribu-tion to turning the tide against energy waste.

Since the energy crisis of the late 1970s, the public has been aware that there are environmental limitations to our energy consumption; this awareness has been continuous in Europe, while in North America it has come in waves (closely linked to the cost of fuels). Probably the biggest single response from the heating industry has been the widespread adoption of modulat-ing-condensing (mod-con) boilers and furnaces.

The two innovations of modulating-condensing boilers are, not

surprisingly, modulation and condensation. Modulation refers to a mod-con boiler’s ability to adjust its firing rate according to the changing needs of the system. Ideally, this flexible firing rate matches the system input to the building’s heat loss. When multiple modulating boilers are networked together, the range of operation becomes even more impressive: taking six boilers, each with a modulating range of 80,000 to 399,000 Btu/h (23.4 – 117 kW), we have a “virtual boiler” capable of inputs from 80,000 to 2.4 million Btu/h. This gives the network great flexibility in matching a load that changes over the course of a day or a year. Furthermore, “resizing” the boiler to match the heat loss of the building results in less room temperature over- and undershoot, which will be more comfortable to the occupants. Finally, lower heating outputs with longer cycles are easier on the equipment and promise longer appliance life.

The main reason mod-con boilers are more efficient is that they condense the water vapour in the flue gases. The water is created during ignition as hydrogen atoms from the natural gas combine with oxygen atoms, and of course this water is in steam phase until the heat exchanger can drop its temperature to the point where the vapour condenses into liquid water. Sustained flue gas condensation is a phase change releasing significant amounts of energy. (Note that this is also exactly what conventional boiler design must prevent from happening.) Condensing boilers will operate at higher efficiencies than conventional boilers, but the most significant improvements occur when the return water tem-perature is low enough to promote full condensation. This means that efficiencies are best with radiant floor and cast-iron radiator loads. As we will see, even higher temperature loads such finned-tube baseboard and some air handlers can benefit from condens-ing technology.

It’s very easy to get a sense of the improved efficiencies with condensing boilers if you’ve ever had the misfortune to touch the exhaust venting of a conventional boiler or water heater – it is hot. Those flue gases have to be around 400° F to be buoyant enough to draft properly, and that’s a lot of heat into the sky. By contrast, the flue gas temperature from a condensing boiler may be as low as 100°F (it will be between 10°and 40° of the return water tempera-ture). Heating applications for relatively low water temperatures, such as serving a radiant floor, will produce the lowest flue tem-peratures. Even for the highest temperature load, the flue gases can still be expected to be below 220°. This is a tangible measure

Reducing Consumption Rates with Modulating-condensing BoilersBy Brad Poulsen


of how much more heat is being transferred from the ignited fuel than is possible with conventional draft equipment.

Fortunately, modern condensing boilers controls are capable of exploiting opportunities for efficiency that were previously pos-sible only in sophisticated industrial controls. With the availabil-ity of outdoor reset, mod-con boilers can use software to regulate the supply water temperature in reference to the actual outdoor temperature. The idea behind outdoor reset is that building heat loss is proportional to the temperature difference between in-doors and outdoors. In practical terms, it allows a heating system that demands high-temperature water during the coldest weather to move into the lower-temperature, condensing, range during milder weather. This can result in a major improvement in gas con-sumption.

The electrical consumption of key components has also dropped significantly. This factor is often ignored, but it is rewarding to do the math on the lifetime operating costs of various circulators. For example, if a small 90-watt wet rotor circulator with a PSC motor runs 4,000 hours a year at a rate of 9.28 cents per kWh, it has an annual operating cost just over $33 a year. Equivalent ECM motor pumps operate with approximately half that power consumption. When we factor operation over an expected 20-year life, with a five per cent annual increase in energy costs, we see that one ECM pump saves over $550 in electricity. Remember that the savings of either kind of wet rotor circulator over a conventional ¼-HP pump will be significantly greater. (As a sidenote, I acknowledge that some of the old-time gravity-circulating hydronic systems op-erated without any electrical draw of circulators and combustion blowers. However, their generously sized distribution piping re-quired a very labour-intensive craftsmanship that has long ceased to be economical.)

Modulating-condensing boilers are significantly, often dramat-ically reducing consumption rates of conventional fuel whenever they replace natural draft boilers. No doubt further innovations in efficiency are in store for us, but for the time being we can be glad

when we walk into a boiler room and see part of the solution right

there in front of us.

Brad Poulsen is a certified Hydronics Systems Designer based in

Vancouver. He draws upon ten years of experience in the field in

his capacity as a Technical Support Professional. He hopes that his

degree in Philosophy from the University of Toronto is somehow

being put to use as well. »


Many design guidelines for schools include specifications for an exterior waste enclosure to hide unsightly bins and keep outdoor space safe. Not only is this an extra cost for building and maintenance, but it is also taking up valuable space onsite – space that could be better used for extra parking, playgrounds or green space. The collection of waste and recyclables on school grounds is necessary, but there is a better way of doing so.

Developed with the end user in mind, the Molok® Deep Collection™ system is a semi-underground waste solution that is changing the way waste and recyclables are collected. The vertical, semi-underground de-sign of Molok® means that only 40 per cent of the container is visible while the remaining 60 per cent is underground. This design offers key benefits not available from traditional collection methods, such as re-duced odours, increased safety and saved space.

Molok® containers take up less space on site, with a decrease in the amount of land area needed by as much as 92 per cent. This is because, with the use of Molok®, there is no need to worry about extra space re-quirements for waste enclosures, as they are not required. The large capacity of Molok® containers also contributes to space saved. The semi-underground design allows the natural force of gravity to compact the waste, so the actual capacity of Molok® containers can be 1.5 to 2.5 times more than same size aboveground containers. This means a single M3000 Molok® container has the potential to replace over 16 32-gal-lon carts. Additionally, because waste in Molok® containers is collected with the use of a crane-lift system, there is a reduction in the amount of space required on-site for the collection vehicle. The collection vehicle can access the Molok® container with a reach of up to 25 feet, mean-ing Molok® containers can be installed in the most space-limited areas, such as next to buildings, shrubs, even behind fences.

“The Molok® system has been great for Wilfrid Laurier because our campus is a smaller campus area, so to be able to put the containers in certain places that we couldn’t put front-end containers has helped the staff and service aspect on our end,” says James Emary, Area Manager of Grounds Services at Wilfrid Laurier University. “From custodians tak-ing the waste and recyclables out of the building to the waste hauler servicing them, it has been easier. It has been great using Molok® on our

Space-Saving Collection for Waste, Recyclables and OrganicsBy Molok North America Ltd.


campus, and we will continue to replace front-end bins with the Molok® system.”

The space-saving design also makes it easier to place Molok® containers together. Contain-ers can be placed in many different configu-rations, making best use of the space that is available. Containers can be grouped together on-site for the collection of waste, recyclables, used cooking oil and organics, providing an ef-fective way to divert waste, sending less waste to landfill.

As diverting waste becomes more popular among schools, finding an attractive, hygienic and efficient way of doing so across all waste streams is key. This is especially important when it comes to collecting organic waste. With the use of the hard-sided lifting liner, Molok® containers can be used to collect up to 2,000 litres of organic waste. The semi-underground design of Molok® containers keeps waste cool, slowing bacterial development, thus prevent-ing odours. Furthermore, because the con-tents are emptied through the bottom of the reusable lifting liner, there is no dripping or spilling of waste. This, in combination with re-duced odours, keeps the area clean, making for a pleasant and pest-free collection area.

The Molok® Deep Collection™ system is an effective waste solution for any property. Mil-lions of happy users enjoy the benefits of this sys¬tem every day, including a fast-growing number of Ontario schools.

To learn more about the system, please visit www.MolokNA.com or contact us at 1-877-558-5576. »


Differentially settled concrete walks

causing trip hazards? Settled gymnasium

floors? Uneven office/classroom floors?

Entrance, foyer and hallway floor settle-

ment? Negatively sloped walks and con-

crete-paved parking lots? Do you have any

other slab-on-grade concrete settlement

issue or void condition?

Poly-Mor Canada Inc. has the solution.

Over the past 14 years, Poly-Mor

Canada has been employing an array of

expanding-polymer resins to lift settled

concrete slabs, fill voided areas, stabi-

lize weak base soils strata and leak-seal

infrastructure challenges. The Poly-Mor

process is fast, clean, precise, environ-

mentally friendly, non-intrusive and cost-effective.

How is it done? Poly-Mor’s proprietary expanding-polymer resin system, in its liquid state, is injected between the concrete slab and the base soils through drilled holes 5/8-inch in diameter (15 millimetres, or the size of a penny). The material immediately (within seven to 14 seconds) fills any voids, and then accu-rately and controllably lifts the settled slab to its proper elevation. The expand-ing resin exerts a force of over 10,240 pounds per square foot (50 tons per square metre), and the lifting is moni-tored using zip-levels or laser levels.

The causes of concrete-slab settle-ment and subsidence are many. The fol-lowing are the most frequently suited to the Poly-Mor remedial technology:1) Inadequate compaction of base soils

during initial construction, predomi-nantly evident around perimeter foun-dations with resultant walk settlement and negative slope toward the build-ing.

2) Drying out or desiccation of base soils where the moisture evaporates and causes shrinkage of the base soils.

3) Leaking water pipes or broken storm drainage and sewer pipes, which are typically located under the floor slabs; this would also include wash-out of base soils from under concrete walks due to the down-spouts not carrying rain water far enough away from the building.

4) Compaction of existing base soils due to vibrations caused by heavy traffic or machinery close to the school prem-ises. These and other causes of settlement

and weakening of base soil conditions can be treated with Poly-Mor’s technol-ogy and expertise.

Poly-Mor Canada has undertaken many slab-lifting projects on schools across

The Power of Polymers


Canada, including schools as far east as the Gaspé region of Quebec to Vancouver Island and as far north as Dauphin, Man-itoba and the cities of Toronto, Winni-peg, Calgary, Edmonton and Vancouver. All the work is carried out by qualified specialist technicians, operating from a totally self-contained and fully equipped mobile workshop.

Poly-Mor Canada diligently strives to incorporate safety and environmental awareness into all aspects of work that the company undertakes. Poly-Mor is proud to be COR Certified when it comes to workplace safety for its staff and cli-ents.

Poly-Mor’s expanding-polymer resin systems have withstood rigorous envi-ronmental testing over time and have gained LEED certification. The company understands clients’ concerns for en-vironmental protection; independent studies have demonstrated that Poly-Mor’s resin systems are environmentally benign, and neither they nor the mate-rial off-gas causes soil or water contami-nation due to leaching.

One of the many benefits of using Poly-Mor technology is their ability and desire to put the client in control of their slab-lifting and soils stabilization chal-lenges. To that end, the majority of the work programs undertaken on behalf of schools have been during “off-school”

hours; work is done during holiday pe-riods, weekends, or evening hours to ensure there will be no inconvenience to staff and students during teaching time.

Poly-Mor Canada is most pleased with the relationship it has developed with numerous school boards and school offi-cials over the years, and it looks forward

to maintaining these relationships and

increasing some with other companies

and organizations requiring the services

of Poly-Mor Canada Inc.

For more information, call 1-866-887-3835

or visit www.poly-mor.ca. »

Canada Green BuildingCouncil Member

Patented GeoPleat™Technology

Dafco Filtration Group will continue to develop new andinnovative products leading the way toward a greener tomorrow.

BETTER Products for a GREENER Environment

Strategically locatedmanufacturing sites

decreased fuel consumptionduring transport

High efficiencylonger filter life

Low pressure dropless energy consumption

Compact designless material usage

Unique designless manufacturing scrap

Compactible/Incinerablereduced solid waste

Phone: 1-888-628-3458www.dafcofiltrationgroup.com • email: [email protected]

DAFCO F I LTRAT ION GROUP ®

Dafco_ThridPg_Horizontal_Ad 7/18/12 9:08 AM Page 1

HARNESSING THE POWER OF POLYMERS

We lift, align, under-pin & stabilize settled slab-on-grade structures

We densify and stabilize weak base soils to increase bearing capacity

We fill voided areas such as sink-holes, wash-outs, etc.

Infrastructure repair

1-866-887-3835 | www.poly-mor.ca

Serving the Residential, Industrial, Institutional & Municipal MarketsMINIMAL DISRUPTION! COST EFFECTIVE!


Poor indoor air quality (IAQ) is more than just a nuisance; it is

costly. Poor IAQ significantly influences the occurrence of commu-

nicable respiratory illnesses and allergy, asthma, and sick-building

symptoms. Some of the airborne triggers for these illnesses include

microorganisms, respirable particles such as dust and smoke, vola-

tile organic compounds, and allergens.

In Canada, 5.7 million school children and close to one million

teachers, administrators and others walk into 15,000 school build-

ings every day – and at least 50 per cent of these schools have been

diagnosed with indoor air quality problems. Fortunately, many of

these triggers can be eliminated or significantly reduced by the

proper selection of air filters in a building’s HVAC system. Advances

in air filtration have led to the development of systems that provide

superior IAQ, while reducing energy costs and helping commercial

and institutional buildings achieve green-building milestones.

Air Filtration and IAQIn the past, the minimum recommended filter for most

school board environments was a MERV 8. The MERV 8-rated

filter ensured an efficiency of 70 to 85 per cent on all airborne

particles in the three to 10 micron size range. More recently,

many school board facility managers have raised the minimum

Choosing the Right Air Filter and Filter MediaBy Bob Jackson, CAFS Norspec Filtration Ltd.

Advances in air filtration have led to the development

of systems that provide superior IAQ, while reducing

energy costs and helping commercial and

institutional buildings achieve

green-building milestones.


efficiency to a MERV 11. The MERV 11 filter ensures an efficiency of greater than 85 per cent on all airborne particles three to 10 microns in size and 65 to 80 per cent efficiency on all airborne particles one to three microns in size. This is still lower than required by CaGBC (Canadian Green Building Council) under their LEED program or by BOMA (Building Owners and Manag-ers Association) under their BOMA Best program. Each of these programs require a final filtration of at least MERV 13 for all occupants.

The low-efficiency disposable filter is no longer recommend-ed in any case except when a higher-efficiency secondary filter is installed downstream, ensuring proper air filtration is pro-vided.

Recent developments in filter media technology have now produced economical pleated filters with ratings of MERV 13, MERV 14, and higher while reducing energy.

Cleaner Air Is Greener AirIn addition to offering filters with superior IAQ, reducing

energy consumption through HVAC-filter selection has a direct effect on a number of green-building issues, including:• Greenhousegasemissionsreduction:a0.05-in.watergauge

(WG) reduction in a filter’s initial airflow resistance can re-duce carbon dioxide (CO2) emissions by up to four per cent

or 120 pounds per filter. A 0.20-in. WG reduction in a filter’s

initial airflow resistance can reduce CO2 emissions by up to

nine per cent or 480 pounds per filter.

• Raw-materialuse:somefiltermediacanbemadewithrecy-

cled polymer from manufacturing waste streams and provide

better performance using less media than other filters.

• Wasteoutput:high-capacitypleatedfilterscanextendfilter

life and reduce changeouts. Extended filter life can reduce

waste streams while minimizing resistance to airflow.

ConclusionCareful selection of HVAC filters and filter media is required

for use at all school boards. Not only can this improve IAQ, it will

also help reduce waste and save money. School boards ought to

be striving to improve indoor air quality whenever possible, and

this means setting a minimum standard of MERV 13 or better. »

Recent developments in filter media technology

have now produced economical pleated filters

with ratings of MERV 13, MERV 14,

and higher while reducing energy.


A dust-collection system is a significant investment for your facility, and with a

few relatively simple procedures it will serve you for many years.

Maintenance of dust collectors is often overlooked, but properly servicing

your dust collector on a regular basis can provide significant benefits to you,

your employees and your company.

A properly maintained dust collector optimizes air flow in the dust collection

system, which can result in the following benefits:

• Lessairborneparticulate(providesahealthyandcleanworkenvironment)

• Longertoollife(lesscostandfewertoolchanges)

• Lessshopclean-uptimerequired

• Lesspreparationpriortofinishing

• Betterproductfinish

All dust collector manufacturers will provide you with a recommended

maintenance schedule for their equipment, which will give you daily, weekly,

monthly and yearly procedures designed to maximize the efficiency of your

dust collection system.

Don’t Ignore Your Dust Collector!By Craig W. Moffatt

N.R. Murphy Ltd. dust collector (model MKA) installation at Southwood Secondary School, Cambridge, Ontario.

Model MKA(shown),

Is our mostpopular design forschools. It is one

of dozens ofmodels to choose

from.

One MKAadvantage is that

it will effectivelyfilter large

volumes of airwhile occupying a

minimum ofspace.

Schools (and counting)

It’s not surprising that more CanadianSchools have bought their Dust CollectionEquipment from N.R. Murphy Ltd. thanany other manufacturer. That’s because

feature for feature Murphy Dust Collection

systems, offer significant advantages.

Compare for yourself, and see that Dust

Collectors from N.R. Murphy Limited

are at the head of

their class.

N.R. Murphy Limited, Cambridge, ON

(519) 621-6210 Fax: (519) 621-2841E-mail: [email protected] Site: www.nrmurphy.com


Some simple things you can do to maxi-mize your dust collector’s performance are:• Create a documented inspection/main-

tenance program• Check thematerial levels in the waste

containers daily to ensure that material does not overflow into the inlet or filter sections

• Listen for “squealing” from the fan onstart-up. This could be an indication that the belts are worn or need to be tightened. They do stretch over time.

• Open the filter section access door tocheck the condition of the filters and to ensure there is no material buildup on the collar plate. This could indicate a loose or torn filter.

• Watch for visible emissions from thereturn-air line, as this could also be in indication of a loose or torn filter

• Install a manometer to check the dif-ferential pressure across the filter tubes. This will give you an indication of the condition of the filter material and whether the cleaning system is func-tioning properly.

• Grease/lubricateanybearingsorspeedreducers according to the manufactur-er’s recommendations. Over-greasing can be as harmful as under-greasing.

• Have your dust collector serviced regu-larly by qualified personnel.

N.R. Murphy Ltd Dust CollectorsFor over 70 years N.R. Murphy Ltd. has

designed and installed over 14,000 dust-collection systems, solving almost every dust problem imaginable. N.R. Murphy manufactures a complete line of standard and custom fabricated dry dust collec-tors. This also includes cyclones, rotary air locks, abort dampers, and spark detec-tion and suppression systems. Heavy-duty industrial exhaust fans are in stock and ready to ship. Unique applications can quickly be modified or built new. As well, they stock a wide line of dust collector-related accessories. They also manufacture dust filters for all makes as well as in-stock standard sizes.

Model MKA is the most popular design for schools. It is one of dozens of models to choose from. MKA is a rectangular version of the FB series with all the quality features and design. The principle of operation re-mains the same, including good primary separation of the heavier dust particles.

The most outstanding feature is the compactness of this model – it can effec-tively filter large volumes of air but occu-pies little valuable space when installed inside or outside a building. The reduced

size also reflects a great saving in shipping

costs over long distances.

For more detailed product or production

information contact:

Craig W. Moffatt, B. Tech

N.R. Murphy Ltd.

430 Franklin Blvd., Cambridge, ON N1R 8G6

Tel: 519.621.6210 | Fax 519.621.2841

e-mail: [email protected]

web: www.nrmurphy.com »

1-800-265-6348www.delta-elevator.com

[email protected]

Designed and Manufacturedat our ISO 9001 certified

facility in Kitchener.


[email protected]




[email protected]



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Integrity, Service & Quality Since 1967


If you are looking to transform those now dull wood floors back to their sparkling state, look no further.

Wood floor care is often seen as the most dreaded part of any building’s maintenance routine. The care of large wood floors in facilities such as schools, universities and churches is thought of as a difficult and time consuming process. Swish brought in Char-lotte Products Ltd.’s own chemicals expert, Jim Flieler, to help set the record straight.

“In the past, we coated our wood floors with oil-based prod-ucts and the clean-up was messy, involving Varsol, gloves, masks and strong odours and extended facility down time,” says Flieler. “Today’s modern technology allows us to recoat floors in half the time in a much safer manner, often allowing for the facility to be reopened in as little as 24 to 48 hours.”

While your wood floors are fairly resilient, there are some major don’ts when it comes to caring for them. Read on to see which of these wood floor care mistakes you may be making and how to avoid them.

You use abrasive or harsh chemicals to clean your floor

Just as you wouldn’t use bleach to wash your hands, don’t use unnecessarily harsh chemicals to wash your wood floors. While wood flooring is

known for being highly resilient, consistent exposure to abrasive and caustic chemicals will cause damage over time that may be ir-reversible. Ensure to use products that are specially designed for use on wood floors to ensure yours stays in top shape.

You recoat where it isn’t neededOne of the most common mistakes in wood

floor care is attempting to recoat laminate floor

surfaces, says Flieler. While some laminates may

look convincingly like the real deal, he warns

these surfaces are designed mainly for washing and do not hold

up well under the recoating process.

You wait too long between refinishing projects

No matter how much you may pamper your

flooring, any wood floor finish will show surface

scratched and wear patterns over time. Once this

wear and tear becomes visible or you notice the floors becom-

ing dull in spots – it’s time to consider recoating. While it may

be tempting to put this off for as long as possible, recoating the

floors is often only a one day process and is considerably less ex-

pensive than sanding and refinishing to fix the damage if it is left

too long.

You skip the prep work“The most important step to ensuring a profes-

sional look to your wood flooring is the prepara-

tion,” says Flieler. While this is the most critical

step in the wood floor care process, he notes

that many do not properly prepare the floor with the correct prep

cleaner or screening pad.

The 7 Deadly Sins of Wood Floor Care

1

2

3

4

Suite 300, 6 Roslyn Road, Winnipeg, Manitoba, Canada R3L 0G5Toll Free:1.866.831.4744 | Toll Free Fax: 1.866.711.5282

www.delcommunications.com

We offer outstanding personal service and quality in the areas of:CREATIVE DESIGN | ADVERTISING SALES

TRADE PUBLICATIONS | QUALIFIED SALES & EDITORIAL TEAM

DEL Communications Inc. and you, THE KEY TO SUCCESS.


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You don’t use protectionIn order to keep your investment looking good

as new, it’s crucial to keep in mind the damage furniture legs and accessories such as bleachers and sports carts can cause. By adding protective

pads to the legs of all furniture placed on the wood floor you mini-mize any scratching or dents caused by the weight of the furni-ture.

You’re a perpetual puddlerWhen the weather gets wet you are inevitably

going to have the occasional moisture to deal with. Whether from soppy sneakers in from recess or the precipitation tracked in from improper and soggy matting systems, some water will find your

wood flooring. Don’t allow spills and precipitation to overstay their welcome as continued or prolonged exposure to moisture can permanently damage wood flooring.

You use inappropriate tools for the jobIf you’re using a vacuum on a regular basis to

rid it of scratch-causing debris it’s important to make sure your model is compatible for use with wood flooring. If you’re using the wrong tools for the job, you may actually be doing more harm than

good. Avoid vacuuming wood flooring with a beater bar or rotating brush, as they can be abrasive and damaging; instead, invest in a floor brush attachment to keep floors both dirt- and scratch-free.

Ask for help – If you’re a newbie to the world of wood floor care, it can be a daunting and confusing task. Flieler advises that simply getting the right product and the expert advice on how to use it can lengthen the life of your wood flooring. “Not only are we the experts who can walk you through the step-by-step prep and application process,” says Flieler, “but we also have products specially designed with performance and forgiveness in mind that allow a multitude of people to professionally finish their floors.”

“Not only are we the experts who can walk you through the step-by-step prep and application process,” says Flieler, “but we also have products specially designed with performance and for-giveness in mind that allow a multitude of people to profession-ally finish their floors.” »

5

6

7


Problem: A Very Messy Flooring FailureWhat if this happened at your school? A previous resilient floor

covering installation has failed due to high-moisture emission

coming through the concrete subfloor. Moisture testing results

show moisture vapour emission rates (MVERs) averaging some-

where between 10 to 12 pounds per 1,000 square feet (4.54 to

5.44 kg per 92.9 square metres) per 24 hours. Relative humidity

testing of the concrete slab also indicates the slab is still damp,

with readings between 90 to 95 per cent.

It is necessary to remove the existing resilient material and

successfully replace it with new vinyl flooring. Shot blasting is

not a viable option for surface preparation due to noise, cost and

dust containment issues, but the subfloor must be “clean” and

free from any contaminants that might affect the new floor in-

stallation.

Solution: Getting To a Clean BaseVirtually all flooring manufacturers require a concrete subfloor

to be free from any dirt, debris, adhesive residues, curing or part-

ing agents, and other contaminants that may interfere with the

bond of any given installation method. On virtually all replace-

ment flooring installation projects, some form of contaminant

remains on the subfloor.

Planiprep™ Surface Preparation products offers a three-step

process for adhesive removal, concrete cleaning, and capping of

the subfloor prior to installing new flooring.

1. Planiprep™ AR is the first step in preparing a concrete subfloor

to receive new floor covering. This adhesive remover is a pow-

erful water-based adhesive remover designed to remove most

latex-based adhesives quickly and easily from the surface of

concrete subfloors, replacing the need for shotblasting.

Getting Off To a Clean StartPLANIPREP™ SURFACE PREPARATION PRODUCTS ENSURE A SUITABLE SURFACE FOR NEW FLOOR COVERING INSTALLATIONSBy Jeff Johnson, Business Manager, MAPEI


2. Planiprep™ SA is a powerful water-based stripping solu-tion that lifts out many common concrete contaminants (such as oils, post-abatement chemicals, and adhesive removers, such as Planiprep™ AR adhesive remover). This product will chemically etch the surface of clean con-crete, promoting excellent adhesion for the subsequent application of Planiprep™ ET.

3. Planiprep™ ET epoxy concrete subfloor treatment is an ultra-low viscosity, two-component, penetrating 100 per cent epoxy treatment designed to be used as part of the system with Planiprep™ SA concrete scouring agent. This product system provides subfloor moisture emission con-trol up to 12 pounds (5.44 kg) and 90 per cent relative humidity (RH).After using Planiprep™ Surface Preparation products to

remove the old adhesive, clean the concrete and cap it to prevent further moisture intrusion, the new floor covering can be put in place. Installers can bond directly to Plani-prep™ ET using reactive and/or pressure-sensitive-type ad-hesives, or they can treat the Planiprep™ ET with a primer suitable for use over epoxy membranes, and then either skim coat with patching compounds or apply a self-leveling underlayment to provide a perfect surface for the new floor covering.

Planiprep™ Surface Preparation products (SPP) produce great results while providing a quality environment, wheth-er for students in schools or patients in hospitals. The prod-ucts are low-odour and VOC-compliant for use in interior, occupied environments. When dust and noise present a problem, the Planiprep™ SPP system successfully addresses the issue. MAPEI works continuously to provide technology you can build on.

To learn more about MAPEI productsMAPEI Group – with 68 subsidiaries including 63 plants in

31 countries – is the world leader in the manufacturing of adhesives and complementary products for the installation of all types of floor and wall coverings. The company also specializes in manufacturing other chemical products for building, including waterproofing products, special mortars and admixtures for concrete, products for the restoration of ancient buildings, and special decorative and protective coatings for walls. Eighteen MAPEI manufacturing facilities are located in the Americas, with five production/regional distribution facilities in Canada. MAPEI is an environmen-tally conscious manufacturer – the company has been a member of the U.S. Green Building Council since 2001 and a member of the Canadian Green Building Council since 2008.

Visit www.mapei.com for technical data, or call 1-800-42-MAPEI (1-800-426-2734) for the nearest location. »


Index to AdvertisersAET Group Inc. .........................................11

Architectural School Products ...................... 7

Dafco Filtration Group ...............................17

Delta Elevator ..........................................21

IBC Technologies Inc. ............................ 3, 13

MAPEI Inc. .............................................IFC

Molok North America Ltd. ........................OBC

NR Murphy Ltd. ....................................... 20

Norspec Filtration Ltd. ..............................19

PA Shop ................................................. 23

Poly-Mor Canada Inc. ................................17

Reliable Controls Corporation ................... IBC

Royal Basket Trucks ..................................18

Swish Maintenance Ltd. .............................. 5

Viessmann ............................................... 9

Suite 300, 6 Roslyn RoadWinnipeg, Manitoba, Canada R3L 0G5

www.delcommunications.com

We offer outstanding personal serviceand quality in the areas of:

CREATIVE DESIGNADVERTISING SALESTRADE PUBLICATIONSQUALIFIED SALES & EDITORIAL TEAM

DEL Communications Inc. and You,

The key to success.


Please support the advertisers who helped make this publication possible.

forward thinking

Reliable Controls CorporationSASBO Ops Talk Magazine - - full page ad dimensions (single page full bleed [8.625” x 11.125”] trim size [8.375”x10.875”) - 10.01.11 rev-B

www.reliablecontrols.com

LEED™ 5 year™

w a r r a n t yBACnet® EFMAm e m b e r

Looking to improve the energy efficiency in your school district?

Let the Internet-connected products from Reliable Controls® help you do the math. We deliver high performance energy management and control systems for school districts all across Canada.

Visit our website to contact a Reliable Controls® Authorized Dealer near you and let us help you do some forward thinking.

We are the people and technology you can rely on.

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M

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CM

MY

CY

CMY

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Ontario School Plant Manager Spring 2014