RESEARCHED BY SUBAN MONDAL

1. BASICS OF DRY RISER & WET RISER
NAME:-SUBAN MONDAL
ENR.NO:-4323
2021

2. Requirement of dry riser installation
• For residential building height more than 45m but less than
60m, or with basement or commercial building
• Ø100mm dry riser main pipe is for building height
from 10m to 45m
• Ø150mm dry riser main pipe is for building height
from 45m to 60m
Requirement of dry riser installation
•2- way breeching inlet for Ø100mm rising main
•4- way breeching inlet for Ø 150mm rising main
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3. Presentation Title 3
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4. Wet riser tank capacity
• One rising main capacity
= 49 m3
for half hours + 1.1 m3
fire hose reel
• Two rising main capacity
=74 m3
for half hours +1.1 m3
fire hose reel
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Building Above 120m
Roof top wet riser tank layout
Down Comer System

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WET RISER AND HOSEREEL SERVICE DUCT
PLAN VIEW FOR WET RISER AND HOSE REEL

7. SUBAN MONDAL
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9. SUBAN MONDAL
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10. SUBAN MONDAL 10
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11. THANK YOU!
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20XX