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Crevalle Consulting, LLC

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North Fort Myers, FL
Crevalle Consulting, LLC

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A SWFL structural engineering and restoration consultation firm.

10/14/2026

This is a throwback to one of the top five worse conditions that we have been a part of. What started off as a simple waterproofing project under the direction of another firm with "no substantial deficiencies", ended as an emergency shoring and full scale post tension restoration project when it was discovered that only 34 of 130+ tendons had tension. Since its construction in the 1970's, the PT grout pockets had no grout and were below the grade leading up to this elevated arrival deck. This caused extensive deterioration of the live end anchors substantial deterioration and the tendons slipping through the wedges and losing stress. The deck was fully shored and each of the tendons and their anchors were replaced.

10/12/2026

It isn't often that we see a failure as dramatic as this. This seawall only has a 4' exposed height but failed "because of all of the rain that we had lately". While there was no relief for hydrostatic pressure, and the rains certainly didn't help, what really drew our attention was that the deadman anchors were only installed three feet away from the wall.

There were conflicts with foliage and the property line that prevented the deadman anchors from being installed further from the wall but that does not mean that the design can be altered on a whim. An alternate design approach could have been utilized to prevent this failure from occurring.

10/06/2026

Story time... An engineer asks if the post tension system has had any problems recently. The answer is a resounding no. The engineer walks around the building to find a tendon sticking out of the slab just a few minutes after asking the question.

It is situations like this that remind us that we have to take everything with a grain of salt. The owners might not even know what post tension is or what constitutes a problem with it. As engineers it is important to remember that. While an owner can provide supplemental information and some useful background, it is important for engineers to be diligent in their investigations and find the problems that the owners may not even know exist.

09/30/2026

Sometimes site conditions are so dramatic that it doesn't take an engineer to tell you what needs to be done. This seawall has significant cracking, washout, and rotation and is in dire need of replacement. It was as obvious to the owner as it was to us. While the owner could make the decision to replace the wall on their own, they were not capable of designing the replacement wall. As a result, an engineer is still needed. Whether it is a building or a seawall, structural engineers play a critical role in the evaluation and design of resilient and cost effective systems.

09/11/2026

Most people see cracks in concrete and assume the worst but the fact is that not all cracks are the same. Anyone who has worked a lot with concrete will tell you two things about concrete, that it gets hard and that it cracks. Not all cracks indicate distress or failure. Some cracks, may be the result of thermal expansion, or shrinkage, or of rigidity issues in the initial design.

In this case a previous engineer recommended crack gauges to be installed on the underside of a post tension deck. Based on the geometry of the building, construction type, and loading conditions, it is likely that this crack was caused by thermal expansion/contraction and unlikely that the crack gauge will show much movement. The pencil marks are another rudimentary way to make sure that the crack isn't moving laterally. At a minimum the crack gauge is a good way to rule some conditions out, even if they may not always be necessary with a proper understanding of the building.

08/27/2026

We see issues stemming from the original construction of a building on almost a daily basis. Pictured is a crack control joint centered on a column of a precast building. If you look closely, you can see a hairline crack 6" or so to the left of the joint, but why? The crack control joint was placed to prevent the cracking but is not working. Unfortunately, the CCJ not placed over the beam supporting the precast concrete planks. As a result, the topping is also cracking at the joints of the precast panels and allowing for water intrusion at the bearing which will lead to long term deterioration and costly repairs. Right concept, wrong ex*****on.

08/24/2026

It's hard to tell from this angle, but there is a conflict with the roof drain and the diagonal member of the truss. The obvious solution is to do what the plumber did and hack out over 50% of the diagonal member near midspan of the truss.

While that was obviously sarcasm, this condition does illustrate how conflicts often happen in the field. With a little coordination, conflicts like this can be avoided, and the likelihood of long term deficiencies can be reduced.

08/11/2026

When performing on-site inspections, we make it a habit to review the roof rigging including safety lines before ever getting on a swing stage. On this project, the rigging was in the process of being erected. While we did not observe anything "wrong" with the rigging itself, we did have a concern structurally. Assuming the counterweight plates are 50 pounds each, there is approximately 4500 pounds of load in a very concentrated area. Luckily, the area of concentration happened to be over a column in this instance. Past luck does not indicate future success however. Had the column not been in this location and all of the load been midspan between columns, this could have been a very different post.

07/31/2026

The Problem: Spalling concrete slab inside a stairwell

The "Repair": Apparently using carpet adhesive is a good repair for concrete

The Result: The repair area failed within one week, money was spent, and further repairs are still required.

The Takeaway: CARPET ADHESIVE IS NOT INTENDED TO REPAIR CONCRETE DEFICIENCIES.

We wish that this was a joke, but it is not. In lieu of making the proper repairs, the association instructed the carpet installer to repair the spalled area so that they could proceed without delay. Now they are left wondering why they spent money on a repair that simply was not correct and did not even last a week. Unfortunately, situations like this are all too common and many deficiencies go without proper repairs.

07/20/2026

Sometimes pictures can be deceiving. A picture from the ground of this Post Tension grout pocket was sent by the client and at a glance, it appeared that the grease cap was still in place and that there was no structural damage. When a 360 degree camera and a long selfie stick was used to access the third floor slab from the roof, the up close pictures told a different story. In the picture it can be seen that the post tension tendon is protruding through the grease cap indicating a potential failure of the tendon. Further investigation is underway to determine the extent of the damage and the necessary repairs.

Address

PO Box 4448
North Fort Myers, FL
33918

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 4pm

Telephone

+12399904972

Website

http://crevalleconsulting.com/

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