Field Uplift / Negative Pressure Test
Atlas Anchor is a professional in both variations of this type of field uplift/negative pressure test. Although both tests are very similar, they do have some critical differences. The main difference in two are the passing criteria. The ASTM E907-04 allows 25mm/around 1” inch of deflection during the negative pressure test whereas the FM 1-52 test allows from ¼” to 15/16” of an inch of deflection depending on the maximum test pressure. In certain roofing installations the test method allows for up to 2” in deflection.
State-of-the-Art Testing Equipment
As extreme storm events become more common world-wide field quality assurance test methods like these will become more critical on projects. We travel world-wide for our clients so please reach out to us today if this type of testing is needed on your project.
Client Testimonials.
We ran into a tight equipment deadline recently, and Atlas Anchor LLC came through for us in a big way. We had a tight deadline, and had a pull test in three days- all the way in California. After hearing what we needed, they did everything possible to make sure we got that equipment on time. We knew they were taking care of us, and it took the stress off of us.
At one point we needed a different part, and they had it shipped overnight without us even having to ask. That saved us and kept the project moving.
Honestly, they had it all – clear communication, following through on what they said they’d do, and just being easy to work with. We’d gladly recommend them to anyone who needs equipment and a team that actually shows up when it counts.
J.C - S.R. Diversified - California, U.S.A.
Mohsin from Atlas Anchor LLC went above and beyond to help us secure the equipment we needed and keep our project from being delayed. He put in countless hours coordinating the shipment and made sure the equipment arrived safely and on time.
Mohsin’s communication was excellent throughout the entire process, and he was an absolute pleasure to work with. His dedication, responsiveness, and commitment to helping us get the job done made a significant difference.
I’d also like to thank the owner, Nick, for taking us on as a client and giving us the opportunity to rent his equipment. We truly appreciate the support and professionalism from the entire Atlas Anchor LLC team. I would highly recommend them to anyone in need of reliable equipment and outstanding service.
A.R. - S.R. Diversified - California, U.S.A.
Atlas Anchor understands the importance of logistics and takes the time to properly review and plan for site testing ahead of mobilization.
Their expertise and prompt communication positions them well to tackle pull testing and other inspections with professional accuracy in a timely manner.
S. A. - RCC Concrete Corp. N.Y.C., NY
Plan B Engineering designed a heavy-duty scaffold tie bracket to be installed with concrete screws along the unique profile made by precast concrete façade panels joining at a corner. Nick, with Atlas Anchor Testing was able to load test the entire bracket assembly up to 20,000lbs. He assembled his own jig and customized it in the field to accommodate the real world loading conditions rather than limiting his scope to testing the capacity of a single anchor at a time. By testing the entire mounted bracket assembly, Nick provided us with confidence that we understood not just the theoretical but also the empirical limit state of our design.
A.E. - Plan B - Philadelphia, PA
I have had the pleasure of working with Atlas Anchor for pull tests on multiple construction sites, and I am consistently impressed by their professionalism and dedication to ensuring the safety and reliability of our projects. Under the leadership of Nick Barona, their owner, the team at Atlas Anchor has shown exceptional expertise in conducting thorough pull tests, providing accurate assessments, and offering valuable recommendations. Their commitment to quality and safety is evident in every interaction, making them an indispensable partner in our construction endeavors. I highly recommend Atlas Anchor to anyone in need of reliable pull testing services.
G. H. - Stanley Supply - NYC, NY
I would like to take this time on to discuss the services that were supplied by Atlas Anchor to SPIDER, A Division of Safeworks LLC. SPIDER had a short notice request requiring SSA anchor to be installation, as well as pull testing and certifications completed. Without hesitation I reached out to Nicholas Barona at Atlas Anchor LLC. Atlas Anchor was able to mobilize, to a site out of the local market, in a matter of a couple days to assist us on this special project. Atlas Anchor is truly a one stop shop for all our anchor needs and requirements. Nicholas Barona is the most knowledgeable anchor expert that I have ever had the pleasure of working with regarding my 36+ years in the suspended access business. There was nothing presented to Nicholas that he did not know without having to look up. It was truly amazing to see a level of expertise such as that. Nicholas and his assistant showed up to the jobsite early and were 100% prepared in all areas to complete the task at hand…For upcoming work, in which I have already reached back out to Nicholas and his team, I will not hesitate when anchors are a requirement and go directly to Atlas Anchor LLC.
E.S. - Spider Staging - Seattle, WA
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