Global Stability includes the stability of the soils BELOW the retaining wall. If the foundation soils are sliding on a sloping surface of bedrock, then the retaining wall could begin to slide downhill! This 2-minute video shows two ways to prevent this type of global stability failure. Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
Soldier pile walls with wood lagging can squeeze right up to the property line – and can look GREAT when a segmental block veneer is added to the face. At this property, vertical steel beams were installed. Next, wood lagging was installed horizontally between adjacent vertical steel beams. Geogrid was looped around these wooden lagging panels and then Allan Blocks were connected to the geogrids. Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
Retaining walls can be constructed using some simple hand tools. You’ll need: shovels, rakes, brooms, tape measure, string line, level, hammers and wheelbarrow, and gloves! Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
Obviously, retaining wall design involves contracts. These contracts between the Engineer and the Client are important. Does the contract benefit both parties? Is using contracts a win-win? Contracts are important to: 1. Memorialize everyone’s understanding of each party’s roles and responsibilities; 2. Reach a mutual understanding of the project requirements; 3. Establish the rules to which the parties will adhere; and, 4. To identify and allocate risk fairly. A good contract fairly allocates reasonable risk to both parties, based on […]
314 miles. 100 degrees Fahrenheit. Outrageous humidity. Steep mountains. Trucks roaring by. Feet pounding the hot asphalt for more than a week. Why would anyone want to run all the way across Tennessee in July?!? TO SUPPORT: www.afsp.org Boston Strong TAKE SOME TIME TO LEARN ABOUT, AND DONATE TO, THESE WONDERFUL ORGANIZATIONS! VOL STATE RUN ACROSS TENNESSEE INFO HERE Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
The lapse footage showing a recent job we completed. This video will be featured on our website. This difficult project located in Windham was quite a job. Interstate Landscape started with the removal of an old deteriorating timber wall. The homeowner wanted to create more living space in their back yard so after the wall was removed we excavated back 8ft of the hillside and removed about 120 yards of fill. When we were excavating we ran into three large […]
When dealing with retaining wall design, Global Stability means the stability of the soils above and below the retaining wall. If the soil that supports a wall kicks out, and the wall shifts downhill, that is a Global Stability Failure. This video is a short discussion of retaining wall global stability. Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
[simplemap] Kowalski Engineering, Inc. is a registered Engineering Corporation only in the State of Ohio. Joseph W. Kowalski, P.E. is a Registered Professional Engineer in: OH, KY, IN, SC, WI, MI, MD, GA, AL, NC, TX, CT, ID, OR, PA, CO, TN, HI, OK, VA, WA, NY *This list is current as of September 3, 2014. Contact us to confirm registration in these or additional states.
Most building codes require a handrail or a fence if a wall is about 4 feet or higher. So, what’s the best way to get your fence constructed without damaging the blocks or the geogrids? FOLLOW THIS LINK FOR PROJECT PHOTOS Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
In this video, we will mass-excavate a jobsite, make a trench, add a drainage pipe, install gravel, place wall blocks, geotextile and compact lean clay cap soils to make a beautiful retaining wall … ALL IN UNDER TWO MINUTES! FOLLOW THIS LINK FOR PROJECT PHOTOS Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
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