What do you typically do when you have an AHJ asking for a sprinkler system in a building that is not compliant with the code?
We have a two level dental office that is VB construction that has a frontage increase. According to the IBC this building requires a NFPA 13 system. The AHJ is saying...
Please see attached PDF for reference. I am having a heck of a time getting this system to work and I have ran out of ideas so I figured I would come here and see if any of you can see an option that I may be missing.
This is an assisted living center with a NFPA 13 system. It is fed from a...
I have an AHJ that has stated the following in his review letter: "Since fire stopping is required when the pipe passes through the fire rated wall assembly. The piping passing through a fire rated assembly shall be provided with flexible couplings within 1 ft of each side of the wall." I asked...
I am running into some issues on a somewhat unique design for an apartment complex in SLC. Due to the close proximity of adjacent buildings in the area. The builder cannot provide FD access within 150' of all portions of the structure per the IFC. The AHJ has requested, as an alternate means of...
I'm designing a NFPA 13 system in a 6 story hotel. Level one contains the lobby, kitchen, offices, exercise rooms, mechanical rooms, etc.. On the East end of the building will be shell coverage for future restaurants/fast food joints. Levels 2-6 will be guestrooms. I will be performing the...
Can anyone recommend me a website or company that gives thorough instruction for all levels of NICET Certification For Water based Systems layout. I've been in the industry for almost 5 years now and I'm wanting to do Levels 1-3 over the next 6 months to a year.
I'm currently trying to do a Calc. for a project with an anti-freeze system. My HydraCAD calc program is asking for the density in lbs./cu ft and fluid viscosity (centipose) of the solution. Does anybody have a reference where I can gather the numbers I would need?
I referenced the spec sheet...
I'm doing a dry system in a concrete parking structure. It is a two level structure and it is post tension slab on top of pillars. I'm curious what methods you all use for hangers for the pipes and sway bracing in such a scenario? Does anybody have any details that you could share? Thanks for...
I am designing a NFPA 13 system in a senior housing facility. The two wings consist of dwelling units and the center area contains the Lobby/Office/Class room area. My question is can I use Residential sprinklers in the center area under NFPA 13 code. NFPA 13R states that I can under 6.8.2.3 but...
I'm working on a hotel system that is NFPA 13R system. Due to the design of walls in between units, we have to place one sidewall in an interior wall to cover each unit. This is pushing us to use an extended coverage head, because of that the design specs of the head are causing the system to...
Does anybody use this program? Every time I have to list a job with it I want to chuck my computer across the room. The thing NEVER works how its supposed to. And to add on to the problem is that HydaCAD wants to charge you an arm and a leg for customer support on how to use their program. So...
Can a painted white head from the manufacturer be used as a corrosive resistant type head in a pool area? If so, is there a reference in the code that states such. I can't find anything anywhere.
I need some clarification from someone who has had experience using TYCO attic heads. I have attached my sprinkler layout for the attic in .pdf form.
I'm having a hard time understanding what the spec sheet is saying as far as procedure with the calcs. Its a dry system so from what I have...
I am doing NFPA 13 system in a senior housing project. The living quarters are a residential light hazard occupancy. I want to make sure I am designing these rooms correctly.
The heating ducts will be ran below the floor joists then box around creating a soffit on one side of the room. In the...
I am calculating a NFPA 13 system in a 4 story apartment building. I used the largest room method which includes 3 heads in the largest room , all fed off one branch line and 2 heads in the communicating space nearest the room. In order for the calcs. to work I had to make the pipe from the Main...
