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Plant room ventilation
Ng Khanh 29 May 12 at 09:51	For M&E plant room like UPS, transformer, chiller 's room, some code are requiring dedicated ventilation for these rooms - dedicated mechanical ventilation. Is it really reasonable with current technology like VRLA battery,... which reduce a lot of risk. Please let me know your opinion ? Thanks
AA 29 May 12 at 19:51	Plantroom vent is primarily for, 1. Essential function of the plantroom e.g Combustion air supply for boilers, gas scavenging in UPS/chillers and so on; 2. Fresh air for maintenance operatives; 3. Combined heat extraction [cooling], smoke exhaust vent and or item 1-2 from above. It is not advisable to takeout plant vent completely. Have you ever considered battery explosion/gassing in an UPS room where 20tonnes batteries are housed in a room? On smaller scale this may not be an issue but on macro scle it does make a lot difference. Standards are written to cover worst case scenarios.
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Plant room ventilation

Ng Khanh
29 May 12 at 09:51

For M&E plant room like UPS, transformer, chiller 's room, some code are requiring dedicated ventilation for these rooms - dedicated mechanical ventilation. Is it really reasonable with current technology like VRLA battery,... which reduce a lot of risk. Please let me know your opinion ? Thanks

AA
29 May 12 at 19:51

Plantroom vent is primarily for,

1. Essential function of the plantroom e.g Combustion air supply for boilers, gas scavenging in UPS/chillers and so on;

2. Fresh air for maintenance operatives;

3. Combined heat extraction [cooling], smoke exhaust vent and or item 1-2 from above.

It is not advisable to takeout plant vent completely. Have you ever considered battery explosion/gassing in an UPS room where 20tonnes batteries are housed in a room? On smaller scale this may not be an issue but on macro scle it does make a lot difference. Standards are written to cover worst case scenarios.

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