Recent content by ramnam

Thank you all. This was very helpful. I have come to the conclusion over the weekend that life is too short for this and it is starting to affect my ego and health. The good thing is that I have stood up to his arguments in a calm way and I've used the "lowering-your-voice&quot...

How do you put an end to a boss who explodes in anger whenever he hears of some trouble. The guy has a problem and everyone knows it. My problem is whether to go down to his level and enter a shouting contest or to take it until he calms down and listens. (because he changes attitudes within an...

I am designing a project in which an archival storage room needs specialized air conditioning. The curator is asking that the room be maintained at 68 F +/- 2 F and at 45% RH +/- 2%. We have chilled water in the building (24/7). Supply temp= 45 F. Plotting the room condition on the psych chart...

Lilliput1 should there be minimum thickness for the plenum? say the flobar is a 3" slot. the actual extruded element is say 6". should the plenum be 10" thick? sound lined? again, we would be dealing with a plenum which is 5 foot long, 6 foot deep and 10" high. with a flobar...

I think this was a very interesting chain of replies. Glad I found out about this chat room.

KenRad, thanks for the info on the location of return grille and throw. i think i have design catching up to do this weekend. Lilliput1, thanks for the input. I am using a mix of linears in some places and registers in another. the room is really small and the architects have managed to...

I have been in HVAC consulting design engineering for the past 10 years. Design jobs pay less than project management-contracting jobs. Risk level is less for consulting. Reward is much higher for contracting. Thus they make more bonuses. You seem to be on the track of contracting, which is...

i am designed a room where we need to keep an NC value of 20. (TV studio). Due to the lighting loads the cfm is astronomically large as compared to the room size. I am supplying hi near the ceiling along two walls and returning low near the floor at the opposite wall. I have to pick a supply...

Has anyone designed an air distribution using the Titus flobar system on the side wall? these flobars come with a typical 5 foot long plenum that clips to the flobar rail. the factory provided plenum is 12" deep with an oval duct tap in the middle. my question is : if i need to use a deeper...

has anyone used a snow melting system such as Watts on stairs that are topped with 5 1/2" of granite? this is a fancy monumental walkway ramp that has some steps. we are putting snow melting on the ramp and the steps. any thoughts? i know they work well with brick, but haven't...

try this Vinaflex Noise Barrier by Great Lakes Textiles. 800-874-1748 they might help.

Has anyone ever used a product for steam piping expansion loop called Tri Flex? i want to know if anyone has had problems with it. suitable for Temperatures > 200 F? leakage? thanks

Thank you for the answers! you're right. i was ending up in an iterative exercise.

how do you size an energy recovery run around loop? my building exhaust is 6500 cfm and my intake is 7500 cfm location Virginia. Max Summer 94, Min Winter 14 F any thoughts? i need GPM

Does anyone know what a "Clay Plug Mill" is? does it need dust collection ventilation?