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  1. TravisMack

    Congratulations - NFSA Top Tech 2019

    I just saw posted that Steve Frederick won the 2019 NFSA Top Tech competition. Steve posts on here periodically. I think it is under the name SKDesigner. Hard work pays off. Travis Mack, SET, CWBSP, RME-G, CFPS MFP Design, LLC www.mfpdesign.com
  2. TravisMack

    Site Fire Flows

    This is a follow up to the previous question on height and areas as it is for the same project. Again, this is not in my scope, but we get thrown in the middle when the building department approved everything, then the fire department comes in and rejects the project and our deferred submittal...
  3. TravisMack

    IBC Height and Area increase

    I thought I generally had a handle on these modifications. Well, as much as a sprinkler guy can. But, I had an interesting conversation with a local plan reviewer in a very large jurisdiction. I think they are mistaken, but I am willing to admit I could be wrong on this. Here is the project...
  4. TravisMack

    Tire Carousels

    Has anyone dealt with these? What are you doing to handle them? I've seen a few of these popping up. They are typically in car dealerships or repair garages. Typical ones are 18' x 8' x ±20' long. It is too tall to be misc storage. Based on the descriptions in 18.4(a) #5, we have 0.6/5000...
  5. TravisMack

    Why we do what we do.. St Louis Warehouse Fire

    I don't know if this building had a fire suppression system or not. However, just the ability to prevent stuff like this from happening is why I am honored to have been a part of this industry for nearly 3 decades...
  6. TravisMack

    13 v 13R : Independent Design Businesses : Rant

    I'm not really sure where to put this one and how to title it, but thought I would share an experience that I have been running through the last couple weeks. I quoted a design job for a senior living residential facility. The architect and engineer call out an NFPA 13 system because the...
  7. TravisMack

    Temporary Standpipes

    How do you determine the number of temporary standpipes to be installed during construction? We have always seen (1) used, regardless of building size. Now, we have a local authority that is requiring temporary standpipes to be located per IFC 2012 edition:905.4(6). I have never had this...
  8. TravisMack

    Auto Parts Storage

    Just off the cuff, what would you give as a commodity classification for auto parts storage. We have a project where they are storing to 16' high. The GC/Owner will only say auto parts. I keep pushing back that we need a break down. Looking at my truck, there is A LOT of plastics in the...
  9. TravisMack

    Ambient Temperatures

    I am not an IBC expert. But, due to some sprinkler activations, a question has arisen: Is there a maximum temperature an owner/developer is required to maintain in unoccupied dwelling units in an R-2 occupancy? Travis Mack MFP Design, LLC www.mfpdesign.com "Follow" us at...
  10. TravisMack

    IFC Fire Flow

    Have a project where the architect is using area separation walls to create separate buildings from one large building. It is allowing the system to be a 13R system by doing that - which is what the architect intends. However, a question has risen in regard to Appendix B. Appendix B says...
  11. TravisMack

    Domestic Allowance

    This is truly a question for a friend :-) When doing a large apartment complex per NFPA 13R (say 16 buildings where each are appropriate for 13R) that is supplied by a common fire loop, what do you do for the domestic allowance? This particular site had a domestic booster pump placed on the...
  12. TravisMack

    Large pumping capacity

    I am working on a project where there is a fairly large demand. The EOR has determined there are to be (3) 3000 gpm pumps. These are all installed parallel. One of the pumps is to be a backup pump. The design has not been finalized, but the system demand (overhead sprinklers and grate foam...
  13. TravisMack

    SFPE Hanbook of Fire Protection Engineering

    Does anyone know where I can BUY a copy of the PDF version of this book? I only see a hard copy through the SFPE site. Travis Mack MFP Design, LLC www.mfpdesign.com "Follow" us at https://www.facebook.com/pages/MFP-Design-LLC/92218417692
  14. TravisMack

    Stages and Hose Valves

    Question on stages and hose valves. Project in question has a proper stage that requires hose valves. In the past, I have just supplied them from the overhead system in the area (always coming off a 4" main). I have always included 50 gpm inside hose allowance for each valve combined with the...
  15. TravisMack

    Fire Hydrant Flow Test and modifiers

    I just ran into another situation today where someone providing a report of a fire hydrant flow test did not use the proper modifiers per NFPA 291. When using the pumper connection when doing a flow test, you have to make an additional modification to your flow. If the pitot from the pumper...
  16. TravisMack

    Flat Concealed Spaces <36" deep

    I am running into this again. What is the consensus here on the sprinklers that are required to be used when you have a concealed combustible space that is less than 36" deep and has a slope of <2:12? It is my understanding that you are required to use the specially listed sprinklers (Viking...
  17. TravisMack

    Plan issue

    I hope everyone had a safe holiday weekend. I have an interesting situation and wonder how some of you would handle it. We are doing a shop drawing based on a complete engineered set of drawings. The plans were done by a PE and approved by the local AHJ. Now, there are many conflicts with...
  18. TravisMack

    Convert CAL to DWG???

    Does anyone have a way to convert .CAL files from microstation to DWG or DXF format? Travis Mack MFP Design, LLC www.mfpdesign.com
  19. TravisMack

    Zoning of systems???

    It has come up recently by a fire inspector that you are required to match the fire alarm zoning per floor with the fire sprinkler system. Has any one come across this. We have a 2 story school building that is 9800k sq ft per floor. It was supplied with a single control valve and flow switch...
  20. TravisMack

    Copper in dry pipe system??

    I have a consultant that is requiring a dry system for an MRI room. Typically, we do wet pipe CPVC or Copper in MRI rooms. However, since this is a dry system, CPVC is out. Is there anything prohibiting Copper tubing in a dry system? Would I still use a C-150 for the calcs if it is...

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