Activity 3.3.6 Heating, Ventilating, and Air-Conditioning Systems

1. What is important to consider when designing an HVAC system?

Peoples alergies and asma conditions, also nose bleed people and where they are placed in order to provide the best heating and cooling for the people in the building.

2. How does the HVAC system affect the design of the building structure?

The architects must have enough space for all of the ducts in the celing and/or the floors so they can have enough room to place the ducts effiecently enough to heat or cool the building.

3. How does an engineer know the requirements for mechanical design of an HVAC system?
The engineer must research the requirements and codes for the mechanical design of an HVAC system and work that into his design and installation.

4. Why is it important for architects to be aware of how mechanical systems are designed or
constructed?
So they know what and how to put things in so that the building can hold all that it needs to in order to have all the requirements that are needed for the building to be up to code.

5. What information must an architect provide to a mechanical engineer to ensure proper design and placement of the mechanical systems?
The architect must provide his or her designs, plans, and research on the requirements and building to the mechanical engineer so that the engineer understands how the system should be designed and placed.

Activity 3.3.4 Energy Codes

1.    Follow the link to What’s Happening in Your State. Based on the map and key, what is the status of the energy codes in Indiana (where the Keystone Library building is located)? What is the energy code status in neighboring states? What is the energy code status in your state?  
 
ASHRAE 90.1-2007, is the code that is used for both the Keystone building location and Indiana. Also I live in Indiana so its also the code where I live.
  
2.    What is needed in order to comply with the energy code (using the prescriptive approach presented in the PowerPoint) with regard to the unheated slab on grade for the Keystone Project? If the project were located in Montana, what would be the requirement for perimeter slab insulation?

There are no requirements for unheated slab on grade in Indiana. However in Montana, some insulation would be required due to the difference in climates.

3. Calculate the percentage of exterior wall composed of fenestration to verify that the area of fenestration is less than or equal to 40%.

calculated the fenestration to be about 8% of the exterior wall

4. Assume that the client would like to provide shading for the fenestrations on the south face of the building in order to protect the library books and resources from damage from the sun. Research methods to provide window shading and paste in a preliminary design that would provide shading such that the resulting projection factor does not restrict the use of windows based on the Solar Heat Gain Coefficient.

You could use shutters or shades over the windows to limit the amount of sun let in and slightly redirect the rays of light or you could put a tenting on the windows.

5. Calculate the heat loss through the new second floor wall in the Keystone Library Renovation. Assume an interior temperature of 68 degrees F and an exterior temperature of 32 degrees F. 

To improve and ensure the efficiency of energy in structures and all throughout the world.

Conclusion

6.    What is the purpose of energy codes?

To ensure that all of the buildings have the same type of stuff in them so the people can just look for all the same things an not have to see what everything is in order.

7.    How does adding a vestibule improve energy efficiency?

Putting a vestibule by the main eneterences can help to trap air warm or cool.

8.     What recommendations would you make to improve the energy efficiency of the existing structure during the renovation process for the Keystone Library?

Add floresent lighting and put some limiters on the energy outputs.