Automated Steel Structure ManufacturingWed, 01/22/2014 - 14:08
ESJ began operations in 1996 as Mexico’s construction demands created opportunities for companies specialized in steel structure fabrication for different industries. The company began the design and manufacturing of such structures in Aldama, Chihuahua with two assembly conveyors, focused on creating the Joist and Joist Girder lines. By acquiring the Steel Joist Institute’s (SJI) certification soon after production began, ESJ was able to consolidate its operations and delivery of its steel structures to clients across the country. José Julian Bautista Sanz, Director General of ESJ, outlines that his company rapidly learned to adapt to the construction industry’s demands. “Meeting the SJI’s standards enabled us to adhere to highquality production norms. Thanks to this, we were able to grow extremely rapidly since customers began recognizing the reliability of our product line,” he recalls. “As we experienced this boost in demand for our steel structures we decided to increase our capacity by opening a new plant in Guanajuato. As a result, our product supply increased to become readily available nationwide and positioned us among the leaders in the construction industry in Mexico.”
Besides ESJ’s manufacturing capabilities supplying the oil and gas, mining, and automotive industries, product diversification also marked an important step for the firm. By offering an integrated framework for steel structure design and fabrication, the company was able to broaden its product range. As of today, the company’s main product lines are Joist, Joist Girder, EX-Beam, C-formed, ProceSteel, and IS2. Bautista Sanz outlines that ESJ’s steel structure manufacturing for projects, ranging from the small to the very large, have allowed it to best understand each specific application of its products. With the expected transformation of the Mexican oil and gas industry, Bautista Sanz is certain that the whole spectrum of ESJ’s products will experience a significant ramp up in demand. To cover for that increase, the firm is preparing for a further expansion of its manufacturing capacity. “We expect plenty of attractive opportunities to bloom in the oil and gas industry and I am confident that we are ready to tackle all of these. ESJ can deliver a globally competitive portfolio for the near future’s domestic demand with solid and reliable manufacturing infrastructure,” he asserts. Similarly, Bautista Sanz points out that the company’s manufacturing processes are handled by fully automated equipment that can process steel structures in an integrated fashion. At the same time, he explains that competitive product pricing will remain a key trait of the company while continuing to comply with the strictest quality standards paired with timely manufacturing and delivery to its clients.
ESJ’s Joist steel structure line is characterized by cambers, which provide deflection in the opposite direction of loadings to successfully guarantee the structural integrity of simply supported beams. The K Series is comprised of simply supported beams that have parallel top and bottom chords to support uniform top and mezzanine loads. The camber range for this series is between 20.3cm and 76.2cm with a maximum opening of 18.28m and can withstand loads of up to 818kg/m. The LH and DLH series are also simply supported beams, which may or may not have their chords parallel to each other. The LH series can handle top and mezzanine loads whereas the DLH can only hold top loads. In the case of the LH series, camber ranges from 45.7cm to 121.9cm and has a maximum opening of 23.26m. Regarding the DLH series, camber ranges between 132cm to 182.9cm and a maximum opening of 43.89m. The Joist Girder line has been another significant product since the beginning of ESJ’s participation in the construction industry. These simply supported beams are designed to take concentrated loads that are applied by the joists, such as the K series, and are typically equal in magnitude. At the same time, the length of these is homologous to the K series, where the top chord of these meets the Joist Girders. These are manufactured under SJI’s girder guidelines and have a camber range of 50.8cm to 182.9cm with maximum openings of 18.28m. Apart from these intricately designed products, ESJ also offers a broad accessory portfolio for joists to function adequately in construction activities, which essentially are used to provide structural stability during installation. Another demand boom for ESJ’s products came with the EX-Beam series, with its main distinguishing trait being the extended length of the simply supported beams. Additionally, by increasing the camber, these products are able to provide better structural stability without increasing the structures’ weight. The geometry of the product’s components also gives the EX-Beam series a more innovative design and can be manufactured in-house by ESJ.
Bautista Sanz emphasizes his confidence in ESJ’s ability to capitalize on the future oil and gas opportunities in Mexico. “I am absolutely convinced that compounding our four fundamental aspects – service, development, diversification, and constant innovation – with our broad experience in a variety of projects and automated manufacturing capabilities will guarantee our firm promising involvement in new oil and gas developments.”