Mario Kleff designed the longest steel box girder utilized in residential construction in Thailand

It was early March 2022 in Pattaya when the delivery of 50 tons value of customized fabricated metal, within the form of box girders and cellular beams arrived at the Majestic Residence construction site, Khao Phra Tamnak.

The architect Mario Kleff and his construction firm Wandeegroup Asia Co Ltd continue to set new standards in residential building in Pattaya and across Thailand. It was just last year when Mario initially put in the longest cellular beam with a size of forty eight metres between two columns to support closely post-tensioned concrete floors.

At the beginning of 2022, Mario’s staff had installed an assembly of field girders and mobile beams to kind the muse for the penthouse of the now 2,500 m² villa.
With Proven , between Wandegroup Asia Co Ltd and B.S.Y. Group PLC, massive box girders had been installed to attain a cantilever reaching over 19 metres to every wing side starting from a centre column. The monumental steel girders were designed by Mario himself and fabricated in Samut Prakan by B.S.Y Group PLC.
Since way again to 2005, the eclectic architect, Mario Kleff, of Pattaya City, has been innovating development and engineering solutions throughout the residential sector. In over a decade, numerous villas and condominium blocks were designed and built by the Wandeegroup, most of which have been permitted by the next engineering stage to grant the planning permission.

In 2010, Mario Kleff had his first encounter with Dr Songkiat Matupayont, an expert engineer from Bangkok to examine and assist the design of Park Royal 2 on Khao Phra Tamnak. It was the first multistory residential building in Thailand with a steel body construction built with long span cellular beams and post-tensioned concrete floors.

Two years later in 2012, the identical group created the primary permitted high-rise precast concrete structure with solely two columns and with a span of 25 meters, named The Touch. Dr Songkiat was excited to be taught of Mario’s plans for the new project on the Majestic Residence. Dr Songkiat is quoted as saying “…48-meter-long mobile beams and enormous box girders to construct a villa. Wow!”. Both began to collaborate on the design someday later and the villa entered the development part in summer season 2021.
Although the outside of the villa is somewhat bland in look, the construction procedures and the constructing performance are immense with over 220 tons of high-grade metal and more than 1,200 m3 of ultra-high-strength concrete combine. Through using large cellular girders and steel rods (up to 32mm in diameter), Mario and his staff have been able to cast the concrete supporting columns. To ensure the security and finest efficiency of the building, all flooring plates have been designed by the team consisting of Mario Kleff, Dr Songkiat Matupayont, Prapat Boonlualoah and Sadudee Boonlualoah from Span Systems International LTD.
Built on a solid foundation set on over one hundred bored piles is a large 550m² basement. A giant pool over 20 metres lengthy and a two-storey-tall waterfall and a whirlpool structure make up part of the 900m² ground flooring space. On the second flooring, the villa offers over 700m² of personal space in the type of a large master suite and two additional visitor rooms. The ground ground and the second flooring consists of giant (3×42 metres) crystal-clear antireflective glass panes. Due to using long-span cellular beams, Mario was able to create uninterrupted views over the pool deck. The prime ground consists of a 350m² penthouse with sea and city views across Pattaya..

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