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Hi everyone, I have a uery regrading a deluge sprinkler foam system installation which seems to me quite Weird. While I'm conducting inspection for an indoor diesel tank, which is around 100 cubic meter capacity and located inside a room that is paer of a big high rise building, I found the...

so you mean if any structural element which is part of the construction forms a depression , it would not be considered pocket?.am i getting it right? just for clarification, i have just encountered a decorative wood bat installed in ceiling ( depth 50 cm and width 40 cm ) so for this it would...

UFT12 , Thx for reply. I believe Sidewall sprinklers have special requirements other than pendent sprinklers." provided no sprinkler is located within the maximum protection area of another sprinkler"...what is meant by this ( protection area of another sprinkler?..how can this be defined?

UFT12 , I have already read that and i still can not get why the definition can not match the concerned structure discussed above. could u tell why it does not fall under 3.3.25 definition?

Hello Everyone, I've just noticed that every one in this discussion is ignoring clause no .10.2.9.1 ( Ceiling pocket), is not it considered ceiling pockets?... how can we define ceiling pockets?....I believe I'm missing sth here

We are installing sprinkler system network in Hospital and I have couple of questions with regard to installing standard sidewall sprinklers 1.]We have standard sidewall sprinklers in the corridor , ( I attach a dwg ) , as per NFPA 13 2019 10.3.4.1.3 Where sidewall spray sprinklers are...

stookeyfpe Thanks for answer

I'm asking if sprinkler system is required in schools " Educational Facility " ? I'm based in country where IBC is the governing Code? As per IBC , Clause no.903.2.3, sprinkler system is required If fire area is greater than 1115 m2 An automatic sprinkler system shall be provided for Group E...

I'm asking if sprinkler system is required in schools " Educational Facility " ? I'm based in country where IBC is the governing Code? As per IBC , Clause no.903.2.3, sprinkler system is required If fire area is greater than 1115 m2 An automatic sprinkler system shall be provided for Group E...

I'm confused about use / purpose of private and public fire hydrants. Are both meant to be connected to fire engine, if yes, as per my understanding , Civil defense personnel use the 4" outlet, so what is the reason there is also 2.5" outlets? while doing hydraulic calculation , does NFPA 1...

For Calculating the quantity of clean agent required, The hazard volume should be determined. as per my understanding the volume hazard is different from the volume of room which is meant to be protected. As per NFPA 2001 Clause no.5.5.1 net volume of Hazard, calculated as the gross volume...

No, it doesn't smell bad.so in spaces where there is no smeel.Is it preferable to make the space neutral or positive pressure?

Hello all, Is there any reference or recommendation In Ashrae to maintain positive pressure or neutral pressure in different spaces.I know about Hospitals that most space should be kept under negative pressure But for other different occupancy like Office buildings, restaurants , stores...etc...

I'm trying to design pressurization system for stairwell.actually, We follow IBC AND ASHRAE IN WHICH I can not find and specific number of doors to be open while designing the system to calculate the pressurization fan capacity.My question is regarding the open door airflow.I have seen many...

i'm trying to find the air change per hour (ACH) figure used for calculating the smoke fan capacity.It is code of practice for most design engineer to use 10 ACH for smoke case but iam not able to find this in any code (Ashrae-IBC-NFPA)....ONLY 6 ACH is mentioned in those codes for ventilation...

PEDARRIN2 .. Thanks for reply...'', but no water based system part of a partially sprinklered building''...i did not get what do u mean by this sentence....i believe in case you are talking about, the building is considered to be fully sprinklered as you still put in a water-based system even it...

I would like to know the difference between partially sprinklered and fully sprinklered buildings.For example If there is a project has Electrical rooms which are covered by clean agents and the whole building is sprinklered , is the Building considered in this case to be partially r fully...

yes most of the building I'm working on have wet sprinkler system but they still install clean agent in Electrical rooms as they believe that water can damage the electrical equipment.The average size of electrical room is 30-40 m2. I'm talking here about electrical room with breaker boxes not...

I have been searching for the right Fire suppression for Electrical room through NFPA , IBC , articles in internet talking about Electrical Equipments fire protection and i went through some posts here in the forum which discussed the same topic.some forum members suggest gaseous fire...

Civil defense is requesting the protection...the generator room is located in concrete factory .it is in detached separate room with 2-hrs fire-resisting rating wall.WE have to stick to IBC & NFPa.We have water supply for class II FHC.I forgot to add in the post that it is used as an emergency...