The Curtain wall and Shading device detail has been started. I plan on studying the construction of the actual shade later this week and will do a further enlargement of that area. The yellow shaded area represents the light coming in and deflecting off of the shading device when it is open. It essentially becomes a light shelve. I will be adding an angled "hinge" that will connect at the top and allow the occupants to control the angle of the device. I also need to add the fire stopping between the slab and the wall.
5 comments:
Jaclyn,
To fight the battle against heatgain/loss we have to tackle the insulation very carefully. make sure the insulation layer follows a straight line in the exterior as much as possible. Ideally the insulation hits the thermally isolated frame at the neoprene connector which typically sits in line with the glazing. I would suggest to use at least double insulated glass in lieu of plate glass. The double insulated glass offers 4 surfaces that can receive coatings to control the light (and with it the amount of energy) penetrating the assembly. Vacuums or gases in the space between the two layers of glass further enhance the energy flow control.
I like the detail! I don't know that I have comments yet but here are a few questions you can answer for me that will help.
1) the structure you are showing directly above the sun shade running parallel with our curtain wall seems close to the mullion elevation in your section. What finish are you planning for around the structure at this location? Will it block the window? Impede the sun shade clear motion?
2) I thought your original design doubled the sun shade as a desk? I understand that maybe you might want to sit at the desk and have shade at the same time but it looks as though these panles wouldn't shade the desk anyway? Are you putting in multiple shades per window?
Matt,
The structure is hidden by the 2' metal panel at each floor level, (refer to the elevations). I am still trying to decide if I will be finishing off the ceiling or if it will all be exposed. I am partial to leaving it exposed but that will give me some issues at the top level with the insulation.
The other question you asked was about the sun shades. No, I never planned on having them as desks. Neat idea though. I think that would cause some complications though with the sun pouring into the window at desk level.
Hey Jacklyn,
Looks like your flying. I'm not sure I understand your "Lateral Connection of Curtain Wall to Slab" detail. You could (and probably should) connect your curtain wall to the W14x22 beam. That way you won't see the connection from either floor, unless your looking straight up or down at the curtain wall. The slab probably won't give you enough strength to support the wall anyway unless you go through the slab into the steel frame. Give me a call if I didn't explain very well and you have questions.
Are the hinged shading devices manual or automated. Automated would be great! That way you maximize your daylighting deep into your space. Great idea!
Charge on!
David,
Great question about them manual or automated. I had never considered them being automated because I really liked the idea of the students engaging with them and the facade "never being the same". But.... I do think it is more important to make sure that the light is utilized to its fullest potential... so I may consider making them automated. So... I will look into that (in all my spare time)! I don't know how that would work in the detailing process. Maybe I will automate the ones in the studios and the ones in the other spaces can be manual. Thanks for the question David. Any opinion from the others?
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