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  1. Ahmedbadr87

    Sprinkler foam system

    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...
  2. Ahmedbadr87

    Standard sidewall sprinkler

    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...
  3. Ahmedbadr87

    Sprinkler system In educational Building

    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...
  4. Ahmedbadr87

    Sprinkler system in school ( Educational Facility)

    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...
  5. Ahmedbadr87

    Private Fire Hydrant vs Public Fire Hydrant

    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...
  6. Ahmedbadr87

    NFPA 2001 Hazard Volume

    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...
  7. Ahmedbadr87

    positive or neutral pressure space?

    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...
  8. Ahmedbadr87

    Stair pressurization with open doors

    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...
  9. Ahmedbadr87

    parking smoke control

    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...
  10. Ahmedbadr87

    partially sprinklered vs fully sprinklered Building

    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...
  11. Ahmedbadr87

    Electrical rooms NFPA 13

    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...
  12. Ahmedbadr87

    Generator room

    what is proper extinguishing firs system that should be used in generator room with diesel day tank?..is it sprinkler system or co2?...and if co2 system is allowable, can only portable co2 cylinders used or should it be automatic system?
  13. Ahmedbadr87

    inside and outside hose connection

    first sorry for my bad english.I would like to ask about the definitions of outside hose allowance and inside hose allowance? what is means by them?. As per my understanding as i go through NFPA 1, inside hose connection is ClASS II FHC While outside hose connection is fire Hydrant?Am i getting...

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