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As stated in Watts it Matter to You? Electricity Generation, the American Society of Civil Engineers (ASCE) assigned the United States’ ENERGY infrastructure a grade of “D+” on their 2009 Report Card for America’s Infrastructure. Electricity transmission, which is the second of three installments on energy, covers transmission lines and grid networks, “green” power transmission, and "smart" grids. Electricity distribution will be covered in installment three as we follow the path of electricity from a power generating facility to your home or business.

Scheduled for completion in 2016, the South Terminal Redevelopment Program of the Denver International Airport (DIA) will juxtapose new buildings by Spain's Santiago Calatrava with the famed Jeppesen Terminal by Fentress Architects. Calatrava, from Valencia, has designed four principle elements: a new hotel and conference center, transit station, civic plaza, and rail bridge, which will all be physically integrated. In his Architectural Statement, Calatrava pays homage to the Jeppesen Terminal, notable for its tensile fabric roof: “My goal in designing adjacent to such a prominent iconic structure has been to preserve the character and integrity of the original terminal while complementing it with a design that presents an independent identity of equal quality."

A tale of two buildings, and an Art Deco heritage that almost didn’t happen in Cincinnati.

If you were to glance at an original 1929 sketch of Cincinnati’s Union Terminal, a masterpiece of Art Deco architecture and one of the last great train stations built in America, you’d be confused. That’s because the building was originally envisioned as neoclassical. “The sketches were almost gothic looking, and the design was thought to be cold,” says Scott Gampfer, director of the library and historic collections at the Cincinnati Museum Center. “The Cincinnati Union Terminal Company and the Cincinnati Public Works Department were not entirely satisfied with the look that was presented. They wanted to project the idea of modernity,” he says.

By now you have probably heard that Kazuyo Sejima and Ryue Nishizawa, partners of the Japanese architectural firm SANAA, have been awarded the 2010 Pritzker Architecture Prize. Renowned for their elegant compositions that emphasize transparency and lightness through explorations in material minimalism, Sejima and Nishizawa have emerged with an impressive body of work that includes the Toledo Museum of Art Glass Pavilion. Inspired by the news of the Pritzker award, I scheduled a trip to see the Glass Pavilion so that I could experience the qualities of design that prompted such an honor.

Bathroom sinks all install in much the same way, despite the wide variety of styles and components available, and the installation of a bathroom sink is a project that just about any DIYer can accomplish. Join our host, Jeff Wilson, as he installs a lavatory cabinet, undermount sink, countertop, faucet, and drain to complete our custom bathroom series.

Sometimes it is the materials that inspire the project. Here Rachael Ranney, host of {Re}habitat, finds the perfect use for a long-cherished wooden picture frame.

Part of the charm and allure of DIY design is that you can rely on your own creativity and intuition to transform items you already own into unique décor and furniture for your home. These pieces are the ones that truly reflect your personal style, and you can usually save a little cash by constructing them yourself at home versus buying everything prebuilt.

This renovation of a market in Spain preserved more than just a historic building. Restoring the Santa Caterina Market's prominence as a commercial venue has helped to preserve a traditional way of life.

Very few countries are better than Spain at taking the old and transforming it into the new. Currently, this trend has found a new focus – the neighborhood market. Before the chain supermarkets or giant shopping centers began to eat up every available space in town, every neighborhood had its local market. These old (and usually somewhat decrepit) markets have suffered years of neglect and seen hard economic times for private vendors. Now these almost abandoned markets are ripe for the picking, and architects and designers alike are vying for a chance to get their hands on the vast open space that is typical of these buildings.

With money tight and the economy sputtering along, you may be looking for affordable ways to add a man cave to your home. Finishing your basement is the least expensive way to get the space you need without breaking the bank. As a professional builder, I have learned several key measures that will keep down the cost of your new man cave while still keeping the cool factor. Let's explore some of these cost-saving secrets to help you get the best new space at the most affordable price.

According to the Study of Life Expectancy of Home Components, which was prepared in 2007 by the National Association of Home Builders (NAHB), the average life expectancy of a whirlpool tub is 20-50 years (number based on the fixture itself, not the circulation system). The life expectancy of the circulation system (the pump, fittings, and piping) will vary depending on the amount of use. A whirlpool tub should be maintained like any other bathtub or shower, with one exception: what you don't see. A whirlpool tub's circulation system isn't readily visible, providing a perfect environment for the growth of bacteria.

The fifth and final article in Buildipedia’s series on the Riverside Museum takes a look at some of the less visible aspects of this spectacular building: the HVAC system, acoustic engineering, and more.

“Complex geometry” is a phrase that successfully sums up Zaha Hadid’s Riverside Museum of Transport and Travel in Glasgow, Scotland – particularly its roof plane. According to Rod Manson, partner and engineer with Buro Happold, “The roof was commonly referred to as the ‘fifth elevation’ on the project.” Its zigzag form, coupled with the vast size of the exhibition space beneath, created several challenges for the engineers tasked with integrating the building systems while ensuring a streamlined look, both inside and out. “It was very important to the architect that the MEP systems be invisible and blend in with the overall building form,” explains Manson. He shared a few of Buro Happold’s clever solutions.

After centuries of consideration, a bridge to connect Sicily and the Italian peninsula is scheduled to begin construction in December.

For hundreds of years residents of mainland Italy and the island of Sicily have discussed the idea of a bridge that would connect the two bodies of land by spanning the Strait of Messina. However, because of the two-mile width of the strait, its depth, its current, and the fact that it frequently experiences tremors and earthquakes, a bridge seemed to be out of the question. Because of these issues, a ferry system was developed and used instead. Still, the idea of a bridge that could support both cars and trains seemed ideal for commuters.

Boundary-stretching architecture is helping the once oppressed city of Baku, Azerbaijan, reinvent itself. DIA Holding has several major building projects underway; in addition to the high-profile Heydar Aliyev Cultural Centre by Zaha Hadid Architects, the company is responsible for the Flame Towers project, designed by HOK.