Guys,
I have a 2-1/2" Chilled Water line penetrating a basement foundation directly beneath a eletrical panel. Are there any minimum distances, or precautionary measures i should take to do this. If so or not, what codes could i got to help me out with this? BOCA? NFPA?
Guys,
I have a 2-1/2" Chilled Water main penetrating a basement foundation that will be located directly underneath an electrical panel, will this be a code issue? And if so or not, will BOCA of NFPA touch this issue?
Does anyone know where I can get some design criteria for an Autoclave room and also a chemical storage room other than ASHRAE. From past experience I know some paremeters vaguely, but it's been a while. I need to know exhaust requirements, filtration, pressurization, blade material (spark...
Guys,
Does anyone know of a zone & bypass damper that is capable of handling 3,500+ CFM. Trane VADA's only are capable of of providing up to 2,500 CFM. Also, it needs to be capable of communicating w/ a packaged gas/elec. Trane RTU...any input?
Guys,
I was told per the IMC Appendix A, it would tell me that I'm only required to supply half the outside air to the space if it was only occupied for 3 hrs. or less.
1.) Is this correct?
2.) When I went to the Appendix A, It talked about combustion air and clearances...where is this code...
Guys,
Can I run a natural gas line thru interior walls, and if so are there any specific requirements that I need to meet in case of demo. work being done in the future.
Guys,
Does anyone have experience with underground piping for a cloed-loop chilled water system for a residential house? I plan on using a 3" PVC supply line to the house (500 ft to the house)....some questions pop into my mind like..
1.) How do you penetrate to the ground? Bracing or...
Guys,
As some of you might know already, I'm knew to the HVAC/R trade, and I've come across a simple problem for you guru's (haha).
A residential building (near the shore)that I've been working on needs dehumidification in the basement. Our ductwork is already sweating, since we haven't...
Guys,
When ventilating a high occupancy area such as a cafeteria or lunch room...how much can I reduce to per Mass. Energy Codes. The energy code specifies that I have to reduce to the spaces minimum per the Mechanical Code Appendix A. But within Appendix A I can't find the minimum...
Guys,
I just installed autocad 2005lt on my computer, everything is running great except the layer pull-down menu. It takes forever for the pull-down menu to come down so I can freeze, thaw, or change layers etc. Is this a RAM problem, LT bug. I still have the old ACAD on my computer, maybe...
Guys,
I'm redesigning a ventilation system for a type II hood (bread only, non-portable unit). Originally an engineering firm designed a national system for Subway that absolutely did not work, so Subway hired us to redesign it to remove the bread odor and heat generated from the equipment...
Guys,
When calculating the pump head on a closed chilled water closed loop....should I add all my pressure drops for my chilled water coils, or just my largest P.D.. I would assume just my largest, having that they're not in series. Can anyone help? Thanx
Guys,
This might be a simple physics question, but here it goes. On a primary/secondary piping system, physically how big does the primary loop have to be. What pops out at me right away is that, I would assume that you would need to have enough water in the primary loop to heat the secondary...
Does anyone know where I can find an avg. BTU rating for refrigerators to apply to my cooling loads? I've looked in the ASHRAE handbooks, but I can't seem to find anything.
Guys,
I have some Misc. rooms in an animal hospital that were questioned by my boss if we need the amount of air changes/hr that the GC requested. Currently we have an animal ward room that was requested to have 8.5 ac/hr......x-ray & surgery rms @ 7.1 ac/hr...etc.
Does the International...
