1-calculate pressure required for each floor. 2- check if pressure available by gravity is less than required, then feed this floor by booster, 3- Booster pump pressure = max. difference between required pressure & available pressure by gravity at any floor. It is generally pressure required at top floor, as at this level pressure due to height difference between water tank and floor is negligible.
we selected terrace booster pump at 1.5 bar, it is the minimum pressure required for top floor, as we go down the pressure in the network will be = booster pump pressure +pressure by gravity duty level difference. at 14th floor 0.33 bar is pressure due to level difference & 1.5 bar is by booster pump. Floor height =11 ft pr to lift water 01ft = 0.433 psi Pressure for 11ft = 0.433x11= 4.763 psi = 0.328 bar = 0.33 bar
No, peak factor is the ratio of peak demand to mean demand. Observe the peak demand in a day and calculate total demand for one day, this ratio will give you peak factor. If people living in a building are working, then in morning and evening more people use water,peak factor will be higher, if non working then all people will not use water simultaneously, peak factor less.
Hi, thanks for the tutorial. Here are my questions 1. How do you know the number of floor where the min required pressure won't be available. 2. Is the 1.5bar min pressure the required pressure of any fixture in the floor? Lets say WC flush tank 3. How did you arrive at 1.6bar for the floor with gravity supply
First calculate required pressure for each floor. Check the required pressure for fixtures and appliances from catalogue. Consider maximum pressure fixture .if you have water tank on roof then calculate pressure by gravity at each floor in the riser. if riser pressure is less than required then you need to supply this floor by booster. Please watch this video again, I think you will understand. then for any doubt you can write me, here or can send email also. I will clarify you. For each feet riser you need 0.433 psi pressure.
Thank you sir . Sir kindly agr ap k pass table ho ya excel sheet ho k Kitne gpm k leye Kitna pipe size caheye . To sir ye sheet description me dalde . Shukria
You can contact us on email given in channel description, try to learn, I have uploaded complete tutorial for domestic water supply system, after that you can ask if some thing is not clear to you, or you need any specific table or chart.
Peak factor is different for different locality, you can ask your municipality department for it, as general practice for medium city we consider it 1.5 for small projec you can calculate your daily water demand by per capita method, you watch our video th-cam.com/video/NWRCSV1gYgc/w-d-xo.htmlsi=yRoQwS4bOSxakl4c
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Thanks sir god bless you
Thanks for your video sir. Can you share a video of pipe sizing of the water supply system (ppr piping). Thank you
O.K.
Noted
hi for booster pump of 1.5 bar how we decide, is there any calcalculation for that,for feeding 3 floor of 5 flats each.
1-calculate pressure required for each floor.
2- check if pressure available by gravity is less than required, then feed this floor by booster,
3- Booster pump pressure = max. difference between required pressure & available pressure by gravity at any floor.
It is generally pressure required at top floor, as at this level pressure due to height difference between water tank and floor is negligible.
14 floor u added (.33 +1.5 ) bar how this got
we selected terrace booster pump at 1.5 bar, it is the minimum pressure required for top floor,
as we go down the pressure in the network will be = booster pump pressure +pressure by gravity duty level difference.
at 14th floor 0.33 bar is pressure due to level difference & 1.5 bar is by booster pump.
Floor height =11 ft
pr to lift water 01ft = 0.433 psi
Pressure for 11ft = 0.433x11= 4.763 psi
= 0.328 bar
= 0.33 bar
peak factor is constand in all cases,if not how it varies
No, peak factor is the ratio of peak demand to mean demand.
Observe the peak demand in a day and calculate total demand for one day, this ratio will give you peak factor.
If people living in a building are working, then in morning and evening more people use water,peak factor will be higher, if non working then all people will not use water simultaneously, peak factor less.
hi dear have some doubts redarding this , assuming 1.8 as peak factor and duration all this from where this is added from.
Peak factor is different for different area.
For your area you can consult water supply authority or you can do your own observations.
how to calculate available pressure by gravity at any floor please
0.434 psi for 01 ft water riser height,
you can watch this video th-cam.com/video/ttOc0fmkgdU/w-d-xo.html
Hi, thanks for the tutorial. Here are my questions
1. How do you know the number of floor where the min required pressure won't be available.
2. Is the 1.5bar min pressure the required pressure of any fixture in the floor? Lets say WC flush tank
3. How did you arrive at 1.6bar for the floor with gravity supply
First calculate required pressure for each floor.
Check the required pressure for fixtures and appliances from catalogue. Consider maximum pressure fixture .if you have water tank on roof then calculate pressure by gravity at each floor in the riser. if riser pressure is less than required then you need to supply this floor by booster.
Please watch this video again, I think you will understand. then for any doubt you can write me, here or can send email also. I will clarify you.
For each feet riser you need 0.433 psi pressure.
@@ncengineeringtechnology3376 thank you very much. I will revit back if need be
Thank you sir . Sir kindly agr ap k pass table ho ya excel sheet ho k Kitne gpm k leye Kitna pipe size caheye . To sir ye sheet description me dalde . Shukria
You can contact us on email given in channel description,
try to learn, I have uploaded complete tutorial for domestic water supply system, after that you can ask if some thing is not clear to you, or you need any specific table or chart.
from total fixture units is 9400, water peak demand is 754 gpm how this is found from the chat or formula
Please watch this video,
carefully and repeat if some thing you don't understand, then you will know.
please share excel sheet
From where you get peak demand and demand factor. Reference pls in ipc
Peak factor is different for different locality, you can ask your municipality department for it,
as general practice for medium city we consider it 1.5
for small projec you can calculate your daily water demand by per capita method, you watch our video
th-cam.com/video/NWRCSV1gYgc/w-d-xo.htmlsi=yRoQwS4bOSxakl4c
is this free?
pls answer....
can i have this excel file,
Kindly, how do I get the Excel sheet
Please send email on bunaeasc@gmail.com
pl share excel sheet sir
You can send your requirements to bunaeasc@gmail.com
sir, can u plz send excel file for preparation purpose
OK
Please send email to bunaeasc@gmail.com
hi dear i sent u mail for excel file
O.K. but you have to wait for it, I am out of station.