Radio frequency identification (RFID) devices are typically used as proximity or smartcard identification in tracking and access control systems. These systems operate on the assumption the token is in close proximity to the reader because of the communication channel’s physical limitations.
Historically, liquid fluoropolymer coatings have been the product of choice for coating aluminum architectural components in Canada. This is due to the extensive colour and gloss options, and their ability to be economically produced in small batches of custom hues.
When this author joined the roofing industry toward the end of 1999, the standard for modified bitumen (mod-bit) sheets was Canadian General Standards Board (CGSB) 37-GP-56M, Membrane, Modified, Bituminous, Prefabricated, and Reinforced for Roofing; the National Building Code of Canada (NBC), along with many provincial codes, was referencing it in Sections 5 and 9.
For the past 100 years, developers and architects driven by the Modern movement have designed skeletal boxes skinned with glass for beauty and simplicity. Natural light, the diminishing of separation between interior and exterior, and open working environments were the result of these experimental glazing assemblies. This strategy continues to spread throughout the globe, in all climates.
The effects of noise have been well-documented in studies by the World Health Organization (WHO).1 It can increase blood pressure or be a risk factor for coronary heart disease.2 It is known to cause stress and hostility, interfere with sleep, speech, and tasks, and to affect the body’s physical reactions and our relations with other people.
A vital part of any interior designer’s job is finding the right product to suit the client and project. There is much to comprehend before a product can be confidently specified, as new products continually become available, manufacturing processes are upgraded by technology, and environmental concerns gain importance. Designers rely on manufacturer representatives to provide critical information to assist them when selecting a product. The relationship between an interior designer and a manufacturer representative should be mutually beneficial.
The use of natural stone on buildings and paving can be traced back to the beginning of civilization. There are countless buildings, monuments, and structures dating back thousands of years that have stood the test of time and left generations in awe.
Copper and aluminum are the most commonly used metals in a lightning protection system (LPS). Metals must be high grade to minimize electrical resistance to powerful lightning surges. Copper weathers to blend into dark-coloured surfaces and can be treated to accelerate patina. It can be used in contact with earth but should not be used where runoff contacts steel or aluminum. Bronze castings should be used for compatible fittings.
by Jennifer A. Morgan, CSI, and Michael Chusid, RA, FCSI, CCS
It is not necessary for most building design and construction professionals to know everything about lightning protection systems (LPS); just the following key points…
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