Of concrete for commercial buildings, schools, green is important

!±8± Of concrete for commercial buildings, schools, green is important

We have a long way from small one-room country school to come. At no other time in American history has there been such a wave in the construction of schools, about 6000 new buildings cost $ 70 billion is needed to serve growing population of American students and the existing schools (most of them were among the 1950 years, built in 1970) must be repaired or replaced one third of their plans. At the American Society of Civil Engineers Report Card '2009Infrastructure of the United States has received the assessment and the schools in the United States a class "D". There is also the case of commercial building, the school green building makes economic sense. Studies have shown that the initial cost of building schools green, about 2% more than conventional construction with a saving in energy costs and operating costs of acquisition are many times during the life of the school to repay. The appearance money is more important for schools toThe companies have been school districts more financially linked. Polls show that schools with integrated state-of-the-art ICF (Insulated Concrete Forms) construction can result in energy savings of 40%. With the construction of green, school districts can afford enough to be able to save on energy costs, plus books, supplies and personnel. Each year, taxpayers spend more than $ 6000000000 energy costs for the aging school buildings that are 25% more than necessary. $ 1 billion and half could be used instead ofpurchase 40 million textbooks and 30,000 new teachers each year in rent.

But the benefits of green building schools are not just a matter of dollars and cents. Fresh concrete schools are much improved learning environments. Many studies have shown that there is a direct correlation between the indoor environment and improved student health, school performance and absenteeism. These studies noted a correlation between internal natural light and improved test scores.Clean the air quality means less sick days and higher number of pupils. The characteristic of the school building is LEED certified green, which was developed by the U.S. Green Building Council. LEED is a rating system that recognizes the special needs of optimization of the energy school, as the most heavily. LEED for Schools also sets environmental issues such as evaluation of the site, preventing mold, and the acoustics in the classroom. A famous study found thatLEED school teachers overwhelmingly perceived their schools for a better environment for teachers to teach and students learn to offer - especially in the field of acoustics and indoor air quality.

If you were in a class, knows how important proper management of a learning environment. The solid foam insulation and ICF block wall assemblies effectively absorb noise and result in quieter classrooms, improve teaching and learning. In addition to ICFConstruction, the use of new green schools increase the natural light as possible visual experience. Other features of the energy efficiency of green school buildings are modern ventilation, heating and air conditioning, automated building controls and sensors in temperature and light in every classroom. Increased thermal comfort results in the improvement of student learning and teacher satisfaction and more effective.

Of concrete for commercial buildings, schools, green is important

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Trains Across America - Assignment 24

!±8± Trains Across America - Assignment 24

Part 24 of the trains across America. Car Accessories Car taken in Cumberland, Maryland, with the cars scale from D & H to the TAA 23 west of St. Louis Division of the Chessie System. Bonus: Chessie Steam Special excursion train left Cumberland. Kansas "Song for America" ​​Copyright © 1975-2004 Kirshner, RCA, CBS Records, Sony Entertainmen

Trains Across America - Assignment 24

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2.5-acre roof allocation of architectural design integrated active acute

!±8± 2.5-acre roof allocation of architectural design integrated active acute

And 'one of the largest and one of the most complicated living roof ever designed, which is 197,000 square-foot house roof to 1.7 million native speakers of plants, but the crown of Renzo Piano's California Academy of Sciences is more than one home for native plant species. There is also an integral part of the design of intelligent buildings. Up here there are no weather stations that report on changes in wind, rain and temperature to a central computer. This feedback is used to open and close the roofSkylights provide automated passive ventilation. In other words, the intelligent system, the building does not need air conditioning. Original story here: faircompanies.com

2.5-acre roof allocation of architectural design integrated active acute

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Skylights: not only a window in the ceiling

!±8± Skylights: not only a window in the ceiling

In the 16 century it was quite common to have large estate houses a winter garden as part of the main building. All the walls and ceiling were made of glass in an effort to sunlight can be constructed (especially) in citrus plants throughout the day. Perhaps the winter garden of the original idea of ​​a "lantern roof 'was, but what is undoubtedly true is the abundance of condensation, leakage and heat loss common in these structures. Until the mid-1990 the same effectwere observed in families with only a simple window on the roof, let alone a full-sized conservatory.

In the interest of all leading to the skylight up with technology, those who have not seen or been around since 1980 skylights expect a pleasant surprise. Gone are the days of the curved panels of Plexiglas, which seem to amplify every sound in a radius of 20 miles. A single glass skylights, and weep with condensation when the hot water for ten seconds of the dinosaursConstruction sector. The unit loses, which marks the drywall and causes the precise positioning of the buckets in the rainy season are long gone. After a skylight in the bedroom no longer means turning up the thermostat for heat loss. Yes, this is the skylight definitely a different animal from what it was 30 years ago. Let's take a look.

The positioning of the roof window is important for their overall performance. The general climate, altitude and type of roof windows are obviously importantFactors to consider, but the rule of thumb with most cases dictated by the window on the roof, no more than 5-9% of the area immediately. More than 9% indicates an inability to control the temperature level for the transfer from outside. Less than 5% do not fundamentally alter the internal environment of the area, or provide useful daylight saving. To be clear, is a skylight window every horizontal - something that is not installed vertically, which inevitablywhole range of other applications and benefits.

Roof windows and glass curves are no longer single. They are double-glazed, flat and made of thick durable glass, which is designed to be energy efficient. The high-tech glass is specially designed to prevent heat loss in winter and to continue to develop the air cool in summer. In addition, some of the new features include the electric fan, which ultimately transform the skylight in a passive cooling. Another great feature is the rainSensor, the first drops of rain on the roof window will close automatically. What could be more convenient?

A state-of-the box on the roof with all the bells and whistles is not worth much, if not installed properly. The glass can be more efficient, but what about the area around the skylight? The device was simply nailed in place and caulked around the edges? If so, this could be a problem. The gaps around the skylight shouldisolated, preferably a spray foam has closed cells, the ability to search and fill in small cracks. Spray foam insulation is not just close all loopholes and prevent heat loss, is also resistant to powdery mildew is just in case there are some potential moisture intrusion.

On energy savings, consider the use of natural light instead of electricity - particularly during the spring and summer months. In a house with many windows and a few strategically placedSkylights, not an electric light for most waking hours are needed every day. Even with low energy consumption, installed and insulated skylights, heating and cooling costs can be reduced significantly. In the long term could also be assumed that the mere presence of these high-tech features could increase the total value of the property and make it desirable to buyers.

Today the word means winter garden has done more than the 16 Century, and the word means a lot skylighthas done more than 30 years ago. A winter garden is not only a greenhouse, but can also be a school of music - and not necessarily enclosed in glass. A window on the roof no longer leaks, condensation and pockets of cold air associated. Now, in this world of 21 century technological development and higher building standards, is the top light with natural light and energy efficient design of buildings connected. It is not only more a window in the ceiling.

Skylights: not only a window in the ceiling

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Putting solar energy to work - More Than Just Panels

!±8± Putting solar energy to work - More Than Just Panels

Two exceptions, I would like to emphasize here from the beginning, nuclear power and geothermal energy, representing all forms of solar energy in the world. Biomass, wind, waves, biofuels and hydropower are all examples of indirect forms of solar energy. If you are the ones who are not forms of renewable energy look like coal, natural gas, like oil and are actually indirect forms of energy. The reason for this is that they are composed of organic matter derived from the sun.

InOn the other hand, direct forms of solar energy will be used because for us. Some people like to build houses there, skylights (also known as daylight). Let us focus on two that interest us: solar energy and solar thermal systems, in reality, what to produce electricity and heat.

Two ways to capture the thermal energy

The two types of solar thermal systems capture the energy of the sun, active and passive. In active solar heating, solar panels capture the energy of the sunHeat when it is past the collector and transfers the heat in a liquid. The fluid moves through the collector by a fan or a thermostat, can be used immediately or stored for later.

Passive solar systems do some work 'begins in a different way, is the energy of sunlight that enters a building without a thermostat or a fan. It means that if you are inside the house, the heat in the mass of the building and the diffusion of heat conduction, convection and radiation, or even forced, as fans will be saved.

HomeSolar Panels

So we know that supply electricity and heat our homes. Most of the houses used for thermal plates are the flat type. Collectors evacuated tube panels are also used, but are not as frequent. The solar collectors or photovoltaic panels or solar or whatever you call them, are all flat-type. You can pot glazed or unglazed styles available. The difference is that the unglazed porcelain are flexible, durable. Whatever you with the semiconductor material of theThe cells must be well protected from moisture. The solar cells are encapsulated between glass companies on the side where the sun hits it, but impractical at the back beside the material vapor.

Flexible solar panels have no protection glass, but they have a transparent, UV protection to prevent damage to cells.

To have passive, active, and all the solar panels home solar energy as in the work.

Putting solar energy to work - More Than Just Panels

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