Sound Requirements for NYC

[tkb]

We are installing a 1 meg generator on the roof of a building in lower manhattan and we were just told that the noise cannot be higher than 42 dba when the generator and load bank are running.

Where can I find the noise restrictions for generators for NYC?
I have looked online and cannot find anything for generators.
The NYC codes are confusing.

Can anyone help?

 

[billsnuff]

http://www.nonoise.org/lawlib/cities/newyork.htm

http://www.tenantsservices.com/art_nyc_noise.php

good luck

 

[Ragin Cajun]

42 Dba??!!

I don't see that as possible, unless you have a huge amount of $$$.

RC

 

[eric9822]

42 dB is slightly above the level of a whisper. You sure that's the requirement?

 

[tkb]

That's what the guy from the DEP said when he was responding to a complaint while we were testing.

We were at 80 dB when the generator was running with the load bank.

 

[cowboyjwc]

Generators on movie sets are probably that quiet. I'm sure there's a way to do it. Like I tell contarctors, you don't worry about the cost, we'll get it right if it costs every penny you have.

 

[dbuckley]

Generators on movie sets are probably that quiet.

Yes, they are; they are quieter than the ambient noise, like quieter than wind rustling trees at a distance.

Based on the observation that they aren't hugely more expensive to rent than a standard Cat genset, I'd suggest that they can't cost a huge amount more than a quality genset would anyway.

 

[cowboyjwc]

Yes, they are; they are quieter than the ambient noise, like quieter than wind rustling trees at a distance.

Based on the observation that they aren't hugely more expensive to rent than a standard Cat genset, I'd suggest that they can't cost a huge amount more than a quality genset would anyway.

You're probably right about the cost. I meant to put a smiley face after the second part of my post.:grin:

 

[zbang]

42 dba WHERE? 2' from the cabinet? 10'? 50'? At the property line? That all makes a big difference.

 

[ron]

I think the requirement is at the nearest neighbor's operable window.

 

[tkb]

I think the requirement is at the nearest neighbor's operable window.

3' inside the open window.