#ahp2146

Issues with vray rendering -- spoke to three TAs about it and no solution, therefore no Barcelona Lighting render even though it is complete. 

After the construction of 3333 Broadway, they added a natural gas pipe through the building. Only with just a hole through the floor, the pipe carries sound very well from above and below. Noise from other apartments comes as a muffled sound. When someone bangs on the pipe, that sound is very clear.

Concrete waffle slab configuration at the music school: waffle slab is used in a communal area, which would be expected to get noisy. The small pockets absorb more noise, thus absorbing most of the vibrations - important for upper floors if classes are held at the same time.