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Thank you all for your response, I checked the table/diagram on 8.10.7.1.4 (b) and my spacing are good against the obstruction. Thanks again for your inputs.

Hello everyone, A bit unsure about this, I know soffit 8in in width and above will require a pendent head below when used as protection for HSW head. I have here a less than 8in soffit where i did not provide protection. Considered area below is already covered. Am I wrong here? Thank you...

Ill bring this up to the engineer, thanks everyone for your reponse. stay safe

Ill coordinate the cubicle doors to the architect, i might get by with shadow area of NFPA 13. Thank you cdafd for the response.

Hello everyone, just like to get some advice if im required to provide sprinkler on each cubicle of the restroom? is there any code on NFPA 13 where i can get an exception? currently looking and it seems i need to provide head on all of them but it doesnt look right. Please see attached...

Thank you everyone, i calculated it and total pipe volume will be 238 gallons. We are still looking with other options as Antifreeze can cause problem if not done right. Thanks again everyone and stay safe.

Hey cdafd, Yes, living areas and also corridors. (Its a 4 story buidling - We are providing anti freeze on the 4th floor only) The building is filed under NFPA 13 - 2013 at New York State. This is new for me, havent done anti freeze before but im pretty sure this is more than the 40 gal req...

Hello guys i need help on something im not familiar with, How do we calculate the required Gallon of antifreeze system the we need to mix with a wet sprinkler system? I have an area of 17,000 sq.ft. of residential units and we need to provide antifreeze system on the highest floor. its pretty...

I think shadow areas will not work here because its not protected by a sprinkler coverage anymore. You need to provide sprinkler protection on the alcove because its not anymore protected due to the new wall. there should also be sprinkler protection on the kitchen and closet for w/d.

Thanks everyone for your input, ill provide it with protection

Thanks cdafd, There will be no access on these concealed spaces, One of their purpose for the concealed space is ridge vent coming from the eaves I am also confirming this is the architect and client because based on their occupant load, they have a total of 289 persons and as per IBC...

Hello, Am i still required to provide sprinklers on Top of the insulation? (6" R-19 Batt Insulation) These are wood trusses 24" on center Im confused if this section apply to the design of the concealed space that i have here 8.15.1.2.1* Concealed spaces of noncombustible and limited...

Actually this was the instruction given to me for a 3 story apt bulding to provide a "Gut Riser" after the DCDA of watts 757, its a small project 3 units per floor, i was thinking of providing residential riser of reliable but i really dont what he meant by gut riser, wanna have something...

im not so sure also, i dont know if this is an acronym thats being done in the field.

hey guys just want to ask what do we mean by "Gut Riser" right after the DCDA on an NFPA 13R design? thanks you

Hey thanks again for your input, This is actually a different project, this is a 2 story commercial in US. Im looking closely on this one and i think ill be using area/density method on this one maintaining that 912+ sq.ft. of area. Am i on right track here?

Hello, Im working on a project that has a kitchen that i considered to be ordinary hazard 1 however, the architect, based on their schedules did not provide an automatic closing doors and the partition walls has 0A - N/A fire rating. what options do i have other than requesting for them to...

Thank you for you help Travis Mack and skdesigner this really helps me to understand my options, I am working for the contractor and this more is like a design - build project that is why i followed the instructions to use SSU sprinkler instead of KFR-CCS. However i already raised this concern...

Thank you skdesigner for this clarification, However, where can i reference the UL listing that F1FR56 cannot be used in this concealed spaces? And also i didnt show the draft stops on the plans because on my understanding, the fire rated wall that separates the apartments will extend to a...

im using NFPA 13 in this design, is this what your asking? and also i initially used KFCR-CCS of reliable for the upright sprinkler heads for the concealed spaces but the contractor said that it is too expensive, i am now using F1FR56 of reliable for the upright heads