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Design a 4 stories public library

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shail

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Discussion starter · #1 ·
Hello all HVAC expert..i have problem to design a 4 stories public library.i don't know how to begin with..any of you can help me..
there are no info just i have this title onle...
one step should i take to design a HVAC for this bulding.tq
 
#4 ·
Let's see, in the old days they'd put in a chiller, cooling tower, boiler, a bunch of fancoils, pneumatic controls, and let her rip.

Or if you are like our new 6 story library, it would be similar but with district chilled water and steam and digital controls.

Or maybe a loop heat pump system with a bunch of water source heat pumps, tower & boiler. A lot of the year, they would support each other and no extra heat or rejection would be needed.

Cheapest way is likely a several BIG rooftop packaged units with a bunch of VAV boxes, perimeter heat or heat in the perimeter boxes.

Now, tell us which is most cost effective in the long run!
 
#5 ·
Nothing wrong with asking for guidance. So you should be telling us with you have come up with so far. And then asking about the things your uncertain of.

Since what your asking isn't taught in a normal HVAC course. I'm guessing your in an engineering course.
 
Discussion starter · #7 ·
first thing i should do is 2 make a building design for 4 stories building, the problem is i don't have any idea 2 design because i not major in building design..and second i should make a room or section. For the building i need to make my own measurement. after that i need make a cooling load. but right know i stuck to design a building.
 
Discussion starter · #9 ·
haha thank you,,i think i should design a simple building and more care about installation VRV system. but i don't get it.why use VRV than use a chiller..can explain me please..
 
#10 ·
This request should be followed by a series of meetings, asiking more specific questions. What is important, first cost or cost of ownership? what conditions need to be maintained in the spaces? some books are sensitive. what is approximate square footage of proposed space? what is your local climate, so you need cooling only, heating only, both? do you need humidification or dehumidification? how many proposed occupants? Then you can start to consider system type. You will need outside air, exhaust, and conditioned. how much space is allotted for mechanicals? will there be mechanical rooms, or is it all above ceilings? too many questions, too little answers.
 
Discussion starter · #12 ·
thank flange,for your information there no cost involve just the project will judge as good or bad design only.and for our local climate we only use cooling only. other thing will be in my consideration,you very helpful.

thank tiger93rsl, for your information in my country not only a rich people keep a book. there a lot public library and a lot expensive book u can find. but only one thing..there a lot of book but our people doesn't like to read.
 
#13 ·
flange said:
This request should be followed by a series of meetings, asiking more specific questions. What is important, first cost or cost of ownership? what conditions need to be maintained in the spaces? some books are sensitive. what is approximate square footage of proposed space? what is your local climate, so you need cooling only, heating only, both? do you need humidification or dehumidification? how many proposed occupants? Then you can start to consider system type. You will need outside air, exhaust, and conditioned. how much space is allotted for mechanicals? will there be mechanical rooms, or is it all above ceilings? too many questions, too little answers.
Click to expand...

This is his home work/class assignment your doing for/with him.
 
#14 ·
You might also look at doing some research on natural cooling methods aka passive cooling to incorporate into your design. This can possibly put your design apart from others and make it stand out as something a little more interesting.
 
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#15 ·
You need to have proper humidity control for a library so the books will won't start growing mold. Mold and mildew will kill a book faster than anything. If you have rare books or archive areas, the proper environment is even more critical.

Are you working on just the HVAC part of the building or on the whole thing? Don't forget - books are HEAVY!!
 
#16 ·
this is easy. 4 YORK TM9X120 w/ 3.5 tons york resi unit on 2 the roof and 2 on the ground. one on each floor w/ it's own t-stat. problem solve. wire them to run on high fire all the time. who need roof top....
 
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#18 ·
You don't need to worry about cooling it, you need to worry about dehumidifing it.

Also make sure the floor will carry the load of the books, they built a Library that wouldn't support the weight of the books.
 
Discussion starter · #19 ·
yup u right,i just get info than my roof also need to check up the material of floor is not like usually floor.because it must can be handle the weight of the system like chiller for example.i don remember what it call but i think it a mechanical floor if i not mistake.
 
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