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Recent content by sv879

  1. sv879

    What is the purpose of drain valve in fire department connection?

    Thank you UFT12, for the clarification. The picture shows LPCB approved breeching inlet (Fire department connection). I have not found the similar arrangement in UL listed fire department connection. Could you please clarify?
  2. sv879

    What is the purpose of drain valve in fire department connection?

    Can anyone clarify the purpose of drain valve in fire department connection?
  3. sv879

    Teflon Tape Query

    Dear Experts, The above picture is from a site inspection report. Is it true? Can anyone help me with any reference, please?
  4. sv879

    Air vent sizing for sprinkler riser

    Greetings I would like to check with you is there any sizing calculation available for air vents (at top of sprinkler riser). I have checked NFPA13 and couldn't find anything other than 15mm size mentioned for manual air vents. Would it be possible to get your valuable advise? Thank You.
  5. sv879

    Is emergency lighting needed for a padel court or a basketball court?

    Dear Experts, Kindly confirm whether emergency lighting is required for the padel court and basket ball court areas of the indoor stadium/play area. Thanks in advance.
  6. sv879

    Kindly advise on Pre-Action System

    Kindly follow the below sketch for better understanding.
  7. sv879

    Kindly advise on Pre-Action System

    Instead of dedicated control panel / releasing panel for pre action, solenoid activation via fire alarm system control panel along with a normally open relay module proposed.
  8. sv879

    Kindly advise on Pre-Action System

    Dear Experts, The diagram below depicts the proposed single interlock pre-action (+dry pendent, as directed by project consultant) for a cold storage area. The detection portion is handled by the VESDA system. (The pre-action system does not have a control panel) Kindly take a look at the...
  9. sv879

    Emergency light interface with building fire alarm system

    Dear Experts, Please clarify whether an emergency lighting system must be linked to the fire alarm system in the building. Anyone who can provide NFPA or IBC references is greatly appreciated. Thank you!
  10. sv879

    UL Listed/FM approved hydraulic calculation software

    Thank you MGXFP & Travis for your inputs.
  11. sv879

    UL Listed/FM approved hydraulic calculation software

    Dear Experts, Kindly suggest a UL Listed/FM approved hydraulic calculation software for sprinkler system.
  12. sv879

    Mechanical Tee Installation

    Can anyone advice me on the installation of two mechanical tees as below. Is its allow or not.
  13. sv879

    Advice Please: Nema Enclosure

    I was wondering if anyone could help me with the selection of NEMA enclosure, based on the following specification. NEMA2/NEMA3/something else? Thank you!
  14. sv879

    How to rephrase qualifying sentences in better way?

    In this case, after summarizing queries / bid clarification from bidders, client will not allow any further qualification notes. This will help sometimes. I am considering the above. Could you please help me further with my bullet point #2? rephrase with a positive tone?

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