It would’ve required extensive demolition and reconstruction and would have disrupted tenants. FANWALL. It was removed between 6 p.m. Friday and 6 a.m. Saturday. AirReps is partnering with Daikin, so now our excellence and innovation reach the entire state of Washington. On the second weekend, the old fan was removed, and Frederick’s team installed the new FANWALL cubes. The resulting system would be more energy efficient and quieter than the existing fan, while also providing system redundancy. As a result, the FANWALL. You can have a normal conversation and hardly even know the fans are operating. Personally, projects that excite me are those that make something better, and this retrofit certainly falls into that category. Replacing the fans and coils at the same time would save a considerable amount of labor and costs — but a like-for-like replacement of the fan would result in as much as two, three, or even more weeks of downtime, which was not an option in this busy facility. The building was built back in 1972, and was the tallest building until two years ago when the Salesforce Tower was built. This project is much more than that. Architects William Pereira & Associates chose the pyramid shape not just for its unusual look but also to meet a specific need: a pyramid casts a smaller shadow than a conventional high-rise building, allowing more light to filter to the streets below. Fortunately, there was a simple solution that met all requirements. The Transamerica Pyramid at 600 Montgomery Street between Clay and Washington Streets in the Financial District of San Francisco, California, United States, is a 48-story futurist building and the second-tallest skyscraper in the San Francisco skyline.It was the tallest building in San Francisco from its inception in 1972 until 2018 when the newly constructed Salesforce Tower surpassed its height. The battle to build the Transamerica Pyramid. © Copyright AirReps 2019 | All Rights Reserved. Before we found FANWALL TECHNOLOGY, , we couldn’t fix that. Oldham had found enough space downstream from the original fan, and that’s where new construction occurred. “It was a good option because we could redesign the layout of the cooling coils, fan intake, and ducting at the same time.”, Besides managing the logistics of the retrofit itself, additional goals were efficiency and redundancy. The old fan measured 12 x 12 feet and included a 1,900 pound motor and concrete base. At the time, that met the requirements of a special “shadow ordinance” in this foggy city on the bay. The Salesforce Tower’s record breaking 1,070 feet is hard to miss. Measurements were typically taken in the very early morning, prior to the arrival of tenants, to reduce the potential for extraneous noise sources affecting our measurements. The new fan system supports that philosophy.”, “One of the things that’s really exciting about this project is that it’s 21st century technology,” he added. The differences between FANWALL TECHNOLOGY and the existing fans in this case are startling: multiple cubes of direct drive plenum fans arranged in a “wall” or bank replace the large, forward-curved, squirrel-cage fan in each of the two air-handling units in the fifth floor mechanical room. For the first time, San Francisco's iconic Transamerica Pyramid has been listed for sale.  systems allows individual cubes to be navigated through a standard three-foot door and assembled inside the existing air handler cabinet. Oldham Engineering has worked on other mechanical engineering projects in the building for the last 10 years. None had ever heard of the system. “Given the complexity and dynamics of the project, I’d do it exactly the same way with the same players involved if I had to do it all over again,” said Chief Engineer Peterson. Additional acoustical measurements were conducted near the exterior louvers to estimate potential reductions in noise transfer to neighbors and exterior locations. We’re an official green building now and want to keep that philosophy going forward.  implementation,” said Scott. While Aegon and Transamerica are legit insurance comapnies, the selling practices of World Financial Group has been called a scam by many people. To do everything we did without interrupting tenants was a real bonus.”. This site may not yet be approved by the Departments of Insurance in all states at the time of publication. “Once the old fan was removed, installing the FANWALL,  system itself was just a matter of getting the cubes in place, bolting them down, assembling and flashing off to the existing plenum and the new plenum area, and commissioning,” said Frederick. The building’s cutting-edge tradition continues today. It would’ve required extensive demolition and reconstruction and would have disrupted tenants. Case Study Salesforce Tower San Francisco, California The Salesforce Tower is redefining San Francisco. Close coordination between construction management, engineers, contractors and Nortek Air Solutions representatives resulted in the project being completed over weekends with little or no downtime or tenant disruption. The old fan measured 12 x 12 feet and included a 1,900 pound motor and concrete base. As integral to the San Francisco skyline as the Golden Gate Bridge and the Coit Tower, the Transamerica Pyramid has been recognized as an avant-garde building since the first cornerstone was laid in 1969. Installing a new housed fan would mean demolishing walls, expensive rigging costs to bring the fan in with a crane, plus long lead times and disruption to building comfort. “It was the easiest part of the project. We had the added advantage of being able to eliminate sound-traps altogether, because the fans operate so quietly. Design flaws and other maintenance concerns — such as component access issues and corrosion — can also be addressed, essentially resulting in a new, more efficient air handler in an old skin. “Over the first weekend, we installed and commissioned the new coils, leaving the old fan in place with new coils,” said Frederick. The fifth floor is quieter, more spacious, and the multiple array of fans makes it easy to understand why it’s unlikely we’ll have a major disruption to cooling on floors one through 18.”. Consistency for acoustical measurement comparison floor and sequenced everything in the fifth floor mechanical room a. Wanted to avoid a like-for-like retrofit because of the modular FANWALL® fan cubes resulted in simplified staged. Entire demolition and reconstruction and disrupted tenants 2004 by Huntair, Inc., a reduction of 10 dBA be. 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