• Welcome to the new and improved Building Code Forum. We appreciate you being here and hope that you are getting the information that you need concerning all codes of the building trades. This is a free forum to the public due to the generosity of the Sawhorses, Corporate Supporters and Supporters who have upgraded their accounts. If you would like to have improved access to the forum please upgrade to Sawhorse by first logging in then clicking here: Upgrades

hvac

  1. Glytchii

    Mall Tenant Fresh Air Intake

    So I just took over a space in a mall and they use a swamp cooler to cool the tenant spaces. I run a game lounge and generate a lot of heat in my space and have not been able to get cold water to my blower unit for the last few days. I just found out my "outside air intake" is actually just a...
  2. R

    Looking for help

    I am looking for someone to work with with vast knowledge in Canadian Energy Code and eQuest (paid help). I got questions about the code and about modeling: geometry, materials, hvac systems, schedules etc. Please contact me if you interested
  3. TXelizabeth01

    Multi-Family Water Valve Replacement

    Ok- so here is the deal I am a writer, so I generally write too long a message. I will try not to. It is important to note that I have a history with Mx NOT doing the best work, that is just information to consider. Also, Mx= Maintenance I live in an apartment complex. I live on the 2nd FL of...
  4. A

    Run items (ducts, conduits, pipes, etc.) in rated stair wall

    I know that per 1023.5 of the code, there are no penetrations allowed in an interior exit stairway except for the items listed that serve the stair. Per the exception though, membrane penetrations are allowed on the outside of the enclosure. Are you then allowed to run items inside the wall that...
    • Adrienne
    • Thread
    • cbc conduit fire barrier horizontal penetration hvac interior exit stair penetration rated wall
    • Replies: 1
    • Forum: California
  5. A

    Run items (ducts, conduits, pipes, etc.) in rated stair wall

    I know that per 1023.5 of the code, there are no penetrations allowed in an interior exit stairway except for the items listed that serve the stair. Per the exception though, membrane penetrations are allowed on the outside of the enclosure. Are you then allowed to run items inside the wall that...
    • Adrienne
    • Thread
    • cbc conduit fire barrier horizontal penetration hvac interior exit stair penetration rated wall
    • Replies: 9
    • Forum: Commercial Building Codes
  6. C

    Cold air return for basement - Alberta, Canada

    Well, we are selling the house and found out that the previous owner finished the basement without permits. We've gotten the electrical and plumbing signed off and are awaiting our inspection for the structure. One item that we don't have that I think is necessary is a cold air return vent to...
  7. V

    HVAC ducts run under (not in) the slab

    My condo I have learned has the HVAC ducts run underneath the slab, directly in the dirt. They're run in galvanized steel. I learned this when I started to smell mildew and tracked the smell to my vents where I learned they had decayed since they're directly in the dirt and come in direct...
  8. D

    Exhaust Location for Enclosed

    Where is a potential exhaust outlet location for an enclosed parking garage under a residential building at NYC? (backyard/sidewalk/front not allowed) In NYC, I have a residential building with tenants on the first floor and one owner with a backyard terrace. The first floor sits on top of an...
    • David Lin
    • Thread
    • building enclosed garage exhaust hvac mechanical nyc parking
    • Replies: 23
    • Forum: Mechanical Codes
  9. H

    HVAC in Apartment Building Question (return air)

    I live in a converted warehouse apartment building in Richmond, VA. The apartments themselves are still partly under construction and have been since I moved in last October. We get a whole lot of dust coming into the apartment and I was curious if the return air on the HVAC is the cause. It...
Top