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A Pavement & Fencing Newsletter, Published by Munson, Inc. 6747 N. Sidney Place • Glendale, Wisconsin 53209 • ph: 800.236.0340 • fax: 414.351.0897 SOLUTIONS Mud Jacking Provides a Fast and Cost- Effective Solution to Settled Concrete Durability national statistics on injuries from workplace slips, trips, and falls are disturbing. According to the Occupational Safety and Health Administration (OSHA), 37% of all major workplace accidents are caused by surface falls – slipping or tripping. In 95% of reported surface-falls accidents, there are broken or dislocated bones. OSHA reports slips and trips result in more than a million lost-working days each year. Over one-half of all reported public accidents are slip/trip related. Some of the reported surface falls triggered large compensation awards. Elevation changes are a major source of trip accidents. Even a small change in walking surface – 1/4 to 1/2 inch or greater – is sufficient to cause a trip. Americans with Disability Act guidelines define trip hazards as any vertical change of 1/4 inch more. Slab settlement is an all-too-common problem for home and business owners, municipalities, and facility managers. Buckling or settlement of sidewalks, ramps, driveways, shop and warehouse floors, stairways, pedestrian crossings, patios, plazas, parking lots, entryways, and other facility structures and infrastructures is a major source of surface-fall accidents. Sometimes the only repair solution is to remove and replace (R&R) the concrete slab. The Munson, Inc. Concrete Crew excels at providing quality R&R services. But often, mud jacking is a faster, more cost-effective solution for slab settlement. Munson, Inc. provides quality mud-jacking services, too. What is mud jacking? Also known as concrete raising or slab jacking (and sometimes mistakenly called pressure grouting), mud jacking is a specialty repair procedure for correcting uneven concrete surfaces. Controlled grout injection through the concrete at strategic locations is made to re-level the concrete – effectively raising the settlement by pushing it up from below. Slab settlement is an all-to-common problem in Southeastern Wisconsin Click on image to see enlarged view By Rob Fetherston | [email protected]

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A Pavement & Fencing Newsletter, Published by Munson, Inc. 6747 N. Sidney Place • Glendale, Wisconsin 53209 • ph: 800.236.0340 • fax: 414.351.0897

SOLUTIONS

Mud Jacking Provides a Fast and Cost-Effective Solution to Settled Concrete

Durability national statistics on injuries from workplace slips, trips, and falls are disturbing.

According to the Occupational Safety and Health Administration (OSHA), 37% of all major workplace accidents are caused by surface falls – slipping or tripping. In 95% of reported surface-falls accidents, there are broken or dislocated bones. OSHA reports slips and trips result in more than a million lost-working days each year.

Over one-half of all reported public accidents are slip/trip related. Some of the reported surface falls triggered large compensation awards.

Elevation changes are a major source of trip accidents. Even a small change in walking surface – 1/4 to 1/2 inch or greater – is sufficient to cause a trip.

Americans with Disability Act guidelines define trip hazards as any vertical change of 1/4 inch more.

Slab settlement is an all-too-common problem for home and business owners, municipalities, and facility managers. Buckling or settlement of sidewalks, ramps, driveways, shop and warehouse floors, stairways, pedestrian crossings, patios, plazas, parking lots, entryways, and other facility structures and infrastructures is a major source of surface-fall accidents.

Sometimes the only repair solution is to remove and replace (R&R) the concrete slab. The Munson, Inc. Concrete Crew excels at providing quality R&R services. But often, mud jacking is a faster, more cost-effective solution for slab settlement. Munson, Inc. provides quality mud-jacking services, too.

What is mud jacking?Also known as concrete raising or slab jacking (and sometimes mistakenly called pressure grouting), mud jacking is a specialty repair procedure for correcting uneven concrete surfaces. Controlled grout injection through the concrete at strategic locations is made to re-level the concrete – effectively raising the settlement by pushing it up from below.

Slab settlement is an all-to-common problem in Southeastern Wisconsin

Click on image to see enlarged view

By Rob Fetherston | [email protected]

Holes are drilled through the concrete surface and grout is injected to fill all under-slab voids and raise the settled section to the desired grade. Lifts of one foot or more are achievable, and current technology makes it possible to raise and stabilize a slab to a tolerance of plus-or-minus 1/32 inch, effectively eliminating trip hazards.

Mud jacking costs vary from job to job, but can save a company, homeowner, or municipality significant dollars compared to concrete R&R. Mud jacking also saves time and minimizes business or family disruption.

Our Munson, Inc. Mud Jacking Team has the equipment, knowledge, and experience to provide lasting solutions to your trip hazard challenges. They also take great care, while implementing repairs, to ensure the solution does not damage adjacent pavements and structures.

In short, mud jacking is a fast and cost-effective way to level settled concrete.

Not always the best answerThere are some mud-jacking limitations. Mud jacking may not be the best use of repair resources when your concrete surface is scaling, spalling, or otherwise damaged. Mud jacking will not provide a lasting solution if the cause of the settlement is due to placement over expansive or swampy soils, or if a sinkhole has developed beneath the concrete. Mud-jacking solutions will also not be long lasting if the cause of initial settlement is external and not addressed – for example, drainage issues caused by poorly installed lawn-irrigation systems.

When mud jacking is a poor use of repair resources, R&R is often the best solution for correcting trip hazards.

Key Action StepsTo protect the public and your employees, to comply with state and federal regulations, and to best manage public risk and workplace health and safety:

• Conduct routine inspections to ensure all concrete steps and surfaces are free from slip and trip hazards • Contact Munson, Inc.’s Pavement Division to mitigate hazards.

News & Notes:Need a friend in the concrete business? Looking for a reliable, qualified concrete contractor to get your 2013 facility or home projects done on time in a safe, efficient manner, and experienced at minimizing or eliminating business interruption inherent with concrete construction installations?

Munson, Inc. excels at helping Milwaukee-area businesses, organizations, and homeowners solve repair, compliance, spill containment, renovation, addition, and new construction facility challenges. Customers report they appreciate our professionalism, the quality of our workmanship, our project communication, and the creative, cost-effective solutions we provide to meet their specific concrete project needs.

ABOVE: Holes are drilled through the concrete and grout is injected to fill all under-slab voids.

BELOW: There are mud-jacking limitations.

Click on images to see enlarged views

Follow Munson, Inc. on the Web

To better connect with you and other members of the construction community, we have expanded our online presence to include:

• The Munson, Inc. Blog • Our Facebook page

• Our Twitter page

• A Flickr Photostream

• Our YouTube posts

• Our Website.

Stay connected – Follow Munson, Inc. online.

Munson, Inc. is a commercial and residential fencing and paving company located in Glendale, Wisconsin. We have been servicing Greater Milwaukee and surrounding areas since 1955. Our PAVING DIVISION specializes in asphalt and concrete – from driveways to large parking lots and from colored and stamped concrete to small trench patching. Our FENCE DIVISION installs industrial chain link fences, gates and operators, as well as decorative, wrought-iron fencing – and every other type of fencing in-between. Our TENNIS & TRACK DIVISION combines these competencies, creating award-winning residential, public, and commercial tennis courts and tracks.

Learn more about how we can help you build, maintain, repair, or reconstruct your pavement or fencing assets by visiting our web site: www.munsoninc.com. Or contact us – phone 800.236.0340 | Email [email protected].

Look to Munson, Inc. for concrete solutions for pavements, walls, foundations, equipment pads, slabs, footings, curbs, or custom work, including decorative concrete.

Contact us to discuss how our concrete or mud jacking construction services can help you solve your facility challenges. Phone: 800.236.0340 | Email: [email protected].

You have a friend in the concrete business.

Click on image to see enlarged view

ABOVE: Improper subgrade preparation caused settlement in this sidewalk run, creating a dangerous trip hazard.

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BELOW: Controlled grout injection through the concrete is made to re-level the concrete – effectively raising the settlement by pushing it up from below.

Click here to return to the article.

ABOVE: Mud-jacking is not always the best solution for hazards associated with settled concrete. Sometimes, removal and replacement of the concrete is the best way to mitigate trip hazards.

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BELOW: The Concrete Crews of Munson, Inc. excel at helping Milwaukee-area companies and organizations solve compliance, spill containment, repair, renovation, addition, and new construction facility challenges. Call us to discuss your pavement, foundation, equipment pad, slab, footing, curbing, walls, or custom-concrete project needs.

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