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Lecture 11-Partitions & Finishes

Lecture 11-Partitions & Finishes - Lecture Eleven...

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Lecture Eleven Partitions Functions of internal walls in buildings Visual control: the application of privacy Physical control: use of walls to provide security
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Acoustical control: 1) Keeping noise out of a space a. Mass of the wall b. Inside insulation c. Special construction, drum effect 2) Controlling the sound within a space a. Walls that reflect sound (for auditoriums, concert halls, etc.) b. Walls that absorb noise (for areas with high amounts of noise, like a typing pool). Light control: 1) To allow light to pass directly into a room (interior window) 2) To permit light ot pass through a wall 3) To prevent light from penetrating into a space
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Thermal control: between cold rooms and warm rooms (like between garage and house). Firewalls: According to the fire code, walls have fire ratings of ¾, 1, 2, an d 3 hours of protection. Different protection is requires for different applications.
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Some common applications of firewalls and their protection times: 1) Between hotel rooms= 1 hr. 2) Between hospital rooms= ¾ hr. 3) In special industrial applications where volatile materials are used= 3 hrs. In buildings with a single occupant, but a number of different activities, the law permits the space to be subdivided by application, with different fire protecting requirements for different areas. Buildings with a number of major occupants, with different functions are called mixed-use projects.
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